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	Léo a programmé sa tortue		2010-02-15
		Lucas pose la question : pouvez vous m'aidez a résoudre le problème géométrie suivant: Léo a programmé sa tortue en lui donnant les ordres suivant:execute 5 fois les instructions suivante: avance de 4 cm puis tourne a 72° a droite.Dessine le parcour de la tortue. La tortue est partie d'un point A , que lui dire pour qu'elle revinne a son point de départ? Merci d'avance Lucas Claude Tardif lui répond.
	programme de tracé		2004-10-21
		jean-yves pose la question : pourriez vous me donner la définition de: qu'es ce qu'un "programme de tracé" Claude Tardif lui répond.
	An analytic proof that a quadrilateral is a parallelogram		2020-10-26
		Apollo pose la question : Prove analytically that if ABCD is a parallelogram in which points P and Q trisects the diagonal AC, then BPDQ is a parallelogram. Penny Nom lui répond.
	Drawing a counter from 2 bags		2020-05-21
		Sephy pose la question : Question 4: Two bags, 1 and 2, each contain equal size counters. Bag 1 contains a pink counter, yellow counter and white counter. Bag 2 contains counters labelled 1, 4, 5 and 7. A counter is drawn at random from bag 1 and a counter is drawn at random from bag 2. If the counter from bag 1 is pink, the number on the counter from bag 2 is increased by 1 If the counter from bag 1 is yellow, the number on the counter from bag 2 is decreased by 5 If the counter from bag 1 is white, the number is halved. Find the probability of scoring a number below 3 Penny Nom lui répond.
	An exterior angle of a parallelogram		2019-11-29
		A student pose la question : one angle of a parallelogram is four times the measure of the exterior angle adjacent to it. find the interior angles Penny Nom lui répond.
	Soccer fans and cricket fans		2018-05-06
		Chibo pose la question : In a survey of 60 sport fans, 45 enjoy soccer, 35 enjoy cricket and 10 do not enjoy either soccer or cricket, but some other sports.What percentage of sports fans enjoys both soccer and cricket? Penny Nom lui répond.
	Is a rectangle a parallelogram?		2018-02-28
		ellie pose la question : is a rectangle a parallelogram? Penny Nom lui répond.
	A parallelogram, a rhombus and a rectangle		2018-02-07
		Sambo pose la question : what do parallelogram, rhombus and rectangle have in common? Penny Nom lui répond.
	The modulus of a complex number		2016-07-29
		Cheyenne pose la question : There's a question on my Summer Assignment I cant figure out. Here it is: Find the absolute Value of the complex number. -5i Please help? Penny Nom lui répond.
	Converting ml to g		2016-04-28
		Lerato pose la question : I would like to know which formula should I use to convert ml to g? Penny Nom lui répond.
	The midpoints of the sides of a quadrilateral		2016-02-05
		Andrea pose la question : The segments, joining, in order the midpoints of consecutive sides of a quadrilateral form a parallelogram. Penny Nom lui répond.
	Consecutive angles of a parallelogram		2016-01-28
		Hanna pose la question : The consecutive angles of a parallelogram measures Penny Nom lui répond.
	Parallelogram area		2015-08-04
		Nigel pose la question : To find the area of a parallelogram you multiply the base by the height of the parallogram, the height being determined by an imaginary line drawn at right angles to the base. However if I made a parallelogram with joints at each corner and maipulated it to an upright position where the base and sides were at 90 degrees to each other,, I could then simply multiply the base times the height to get the area. Since the sloping side of the parallelogram does not vary in my imaginary jointed model, why can I not simply multiply the base by the sloping side to get the area in the same way that I multiply the base times the height of a square to find its area ? I cannot find the answer to this on the internet although I have searched. Chris Fisher lui répond.
	A parallelogram inscribed in a circle		2015-02-04
		narendra pose la question : how can we prove that a circular parallelogram is a rectangle? Chris Fisher lui répond.
	Percentages in a mixture		2014-10-02
		viola pose la question : Hi there can you help me convert the below so it makes 100% (individual %) 400 gr = 100 gr = 50 gr = 50 gr = 20 gr = 2 gr = 1 gr = 1 gr = Be great to hear back from you Thank you V Penny Nom lui répond.
	Interior angles in a parallelogram		2014-08-30
		xavier pose la question : so, one of my math homework questions requires me to know how to find out how to find the interior angles in a parallelogram, the question is, "how many interior angles does a parallelogram have?" Penny Nom lui répond.
	A number with all the digits different		2014-02-07
		Jon pose la question : I'm not a mathematician but just curious. Is there a name for a number of up to ten digits where each digit is different, i.e the equivalent of an isogram in linguistics? My online banking gives me a random 8-digit number each time I log on and it is rare to get one of the type I refer to. There must be calculable odds, but I'm only allowed one question! Thanks in advance Jon Harley Weston lui répond.
	The area of a parallelogram		2013-11-28
		shivam pose la question : a parallelogram has sides 34 cm and 20 cm .one of its diagonal is 42 cm. calculate its area Harley Weston lui répond.
	A linear programming problem		2013-02-27
		Kelley pose la question : A manufacturer of skis produces two types: downhill and cross-country. Use the following table to determine how many of each kind of ski should be produced to achieve a maximum profit. What is the maximum profit? What would the maximum profit be if the time available for manufacturing is increased to 48 hours.   Downhill Cross-country time available manufacturing time per ski 2 hrs 1 hr 40 hr finishing time per ski 1 hr 1 hr 32 hr profit per ski $70 $50   Penny Nom lui répond.
	How many students have neither brown hair or hazel eyes?		2013-01-20
		Julie pose la question : There are 28 students in a class. 15 have brown hair, 17 have hazel eyes, and 10 have both. How many students have neither brown hair or hazel eyes? Penny Nom lui répond.
	A question about a parallelogram		2012-10-14
		Renu pose la question : Question from renu, a parent: ABCD is a parallelogram. BP and DQ are two parallel lines cutting AC at P and Q respectively. prove that BPDQ is a parallelogram Harley Weston lui répond.
	Probability		2012-08-23
		Christine pose la question : In a study of alcoholics, it was found out that 40% had alcoholic fathers and 6% had alcoholic mother. Fourty-two percent had at least one alcoholic parent. What is the probability that a randomly selected alcoholic will ... Penny Nom lui répond.
	If a parallelogram is a cyclic quadrilateral then it is a rectangle		2012-02-01
		Kim pose la question : Show that if a parallelogram is a cyclic quadrilateral then it is a rectangle. Hint: Observe that in a parallelogram ABCD we always have Triangle ABC is congruent to Triangle CDA. Robert Dawson and Chris Fisher lui répond.
	An equilateral triangle and some circles		2012-01-10
		tushar pose la question : draw an equilateral triangle with side 6cm.draw 3circles with radii 3cm on each angular point of triangle.draw common tangent on each of two circles Penny Nom lui répond.
	A coin toss game		2011-08-29
		Aniish pose la question : A and B alternately toss a coin.The first one to turn up a head wins.If no more than 5 tosses each are allowed for a single game,find the probability that the person who tosses first will win the game?What are the odd's against A losing if she goes first? Penny Nom lui répond.
	The rate of change of the area of a parallelogram		2011-04-05
		Gevork pose la question : Let a parallelogram have sides of 8 and 12 and let vertex angle A be decreasing at a rate of 2degrees per minute. Find the rate of change of the area of the parallelogram when angle A equals 30 degrees. Penny Nom lui répond.
	The diagonals of a parallelogram		2011-02-17
		ginger pose la question : Find the diagonals of parallelogram where the the side is 40 and the bottom side is 15. Penny Nom lui répond.
	Determine if a point is inside a cube		2010-11-24
		Ali pose la question : hi every one i have a problem with cube they told me to write a program that determine if a point is inside a cube so i need the equation of the cube to do the comparison. in sphere it is easy sqrt((x-xp)+(y-yp)+(z-zp))<=radios if u please could help me Robert Dawson lui répond.
	a^(2^n)		2010-10-22
		Tim pose la question : I am trying to understand a^(2^n). The hint they give is a^(2^(n+1)) = (a^(2^n))^2 I am writing a program that will solve a^(2^n) recursively but need to understand the power before I begin. I am currently pursuing writing (a) x (a^(2^(n-1))) where the (a^(2^(n-1))) would be the recursive function call a n approaches 0. Once n is 0, the result would be multiplied by a two more times. Anyway, explaining these powers would be appreciated. I will most likely complete the program before the answer but I want to understand the logic of these powers. Thank you, Tim Stephen La Rocque lui répond.
	Converting kilograms to cubic metres		2010-07-16
		Ilai pose la question : I want to convert kg to cubic metre Penny Nom lui répond.
	A probability tree		2010-05-20
		Sandy pose la question : Children’s meals are being prepared for a large gathering. There is an equal number of chicken, hamburger, and fish meals. Each meal comes with a toy: a ball, a parachute toy, or a Frisbee. There are twice as many balls as Frisbees and an equal number of parachutes and Frisbees. Use a probability tree to show the sample space and determine the probability that a meal consists of chicken or fish and comes with a ball as a toy. Penny Nom lui répond.
	Pyramids and parallelograms		2010-04-01
		Vivi pose la question : Hi, my name is Vivi, and math teacher is giving a geometry test. I tend to forget how to find the surface area and volume of triangular pyramids and parallelograms. Do you have a way of remembering how to find the surface area? Harley Weston lui répond.
	Conditional probability		2010-03-26
		Sandy pose la question : In a certain school, it is known that 80% of the students use the internet for school projects, 60% use e-mail on a regular basis, and 90% use the internet for school projects or for e-mail on a regular basis. A student from this school is selected at random Determine the probability that the student used e-mail, given that the student used the internet for school projects. Sandy Penny Nom lui répond.
	How many people in total came to the museum that day?		2010-03-05
		simon pose la question : 1354 people attended exhibition A and 1427 people attended exhibition B. 79% of people attended both exhibitions. How many people in total came to the museum that day Penny Nom lui répond.
	I want to convert my glaze percents into grams		2010-02-05
		linda pose la question : I am a potter. I want to convert my glaze percents into grams. ex. 20% of 20 lbs would equal how many grams? is there a formula to figure this? Penny Nom lui répond.
	Linear programming using the Simplex Method		2009-12-28
		William pose la question : A gold processor has two sources of gold ore, source A and source B. In order to keep his plant running, at least three tons of ore must be processed each day. Ore from source A costs $20 per ton to process, and ore from source B costs $10 per ton to process. Costs must be kept to less than $80 per day. Moreover, Federal Regulations require that the amount of ore from source B cannot exceed twice the amount of ore from source A. If ore from source A yields 2 oz. of gold per ton, and ore from source B yields 3 oz. of gold per ton, how many tons of ore from both sources must be processed each day to maximize the amount of gold extracted subject to the above constraints? I need a linear programming solution or algorithm of the simplex method solution. Not a graphical solution. Thanks. Janice Cotcher lui répond.
	Grams per square meter		2009-09-30
		MANISH pose la question : how to calculate gsm given kg of 144 sheets and size in inches example 28" x 22" & 16.3 kgs = ?gsm (of 144 sheets) Penny Nom lui répond.
	Grams to percent		2009-09-20
		brandy pose la question : how do you convert 1.5 grams to a percent Stephen La Rocque lui répond.
	Rolling a six on the sixth roll		2009-05-04
		Scott pose la question : What are the odds of rolling a die 6 times in a row and rolling a 6 only on the 6th try, but not any other time? And how is this calculated? Harley Weston lui répond.
	Ranking 6 players from 49		2009-03-24
		liz pose la question : My daughter is having problems with this question, if you had to match 6 players in the correct order for most popular outfielder from a pool of professional players numbered 1 through 49 , how many possibilities are there? Penny Nom lui répond.
	The sides of a parallelogram		2009-03-17
		Sami pose la question : If ABCD is a parallelogram, prove that line AB is congruent to line CD. Clearly state your reasons and conjectures. Penny Nom lui répond.
	Cubic feet gas to grams of gas		2009-02-11
		tim pose la question : I was trying to convert cubic feet gas to grams of gas. Is there a formula to complete this task? Robert Dawson lui répond.
	Will Juanita be late for class?		2009-01-28
		safdar pose la question : juanita bumps into tory in the hallway between period 1 and 2,there is a 45% chance that she will be late for class.if she does not bump into tory, she will make it to class on time. there is a 25% chance that juanita will bump into tory. what is the probability that she will be late on any given day. be sure to introduce your events for this question and show the appropriate formula given the events. Penny Nom lui répond.
	The area of a triangle		2009-01-25
		black pose la question : Explain how the formula for the area of a triangle can be determined by using the formula for the area of a parallelogram. Penny Nom lui répond.
	Converting grams to milliliters		2009-01-04
		Faiza pose la question : I was looking for how to convert grams into mL and I read on this site to convert one to the other you need to know what substance you are measuring. so if I am measuring sugar or any of the baking ingredient like flour how do I convert them from grams to mL is there a simple method I can use to do that? Penny Nom lui répond.
	650g+2kg+195g=how many kg		2008-12-11
		christian pose la question : 650g+2kg+195g=how many kg Penny lui répond.
	A quadrilateral with two pairs of congruent sides		2008-12-10
		nicole pose la question : what is the name of a figure that has 2 sides that measure 25 feet each and 2 sides that measure 10 feet each? Robert Dawson lui répond.
	A quadrilateral with exactly 1 pair of parallel sides and no congruent sides		2008-12-10
		alie pose la question : a quadrilateral with exactly 1 pair of parallel sides and no congruent sides is what? Robert Dawson lui répond.
	Symmetries of a parallelogram		2008-11-24
		anisha pose la question : how many lines of symmetry does a parallelogram have. A square and a rect are a parallelogram too. so it is confusing?? pls help Walter Whiteley lui répond.
	Choosing light bulbs from a box		2008-11-14
		Annie pose la question : A box of light bulbs contains 3 bulbs, two bulbs are defective. What is the probability of choosing a non-defective bulb and a defective bulb in 2 draws? What is the probability of choosing 3 defective bulbs followed by a non defective bulb? What is the probability of choosing first 2 non defective bulbs followed by a defective bulb? Penny Nom lui répond.
	An Euler diagram and a logic argument		2008-09-18
		Regina pose la question : Use a Euler diagram to determine whether the following argument is valid or invalid. No wizard can yodel All lizards can yodel No wizard is a lizard Penny Nom lui répond.
	How many ml are in 40 grams?		2008-09-09
		Nancy pose la question : I need to know how many ml are in 40 grams. So what is the base 1ml= how may grams Harley Weston lui répond.
	Reading a Histogram		2008-09-05
		Bea pose la question : From a histogram only, can you find the frequency per each increment of an interval? Janice Cotcher lui répond.
	Microwave ovens and probability		2008-09-04
		Vi pose la question : A microwave oven manufacturer claims that only 10% of the ovens it makes will need repair in the first year. Suppose three recent customers are independently chosen. a. If the manufacturer is correct, what is the probability that at least two of the three ovens will need repair in the first year? b. If at least two of the three customers' ovens need repair in the first year, what inference may be made about the manufacturer's claim? Harley Weston lui répond.
	A hexagon has 3 parallelograms		2008-07-21
		Stephanie pose la question : A hexagon has 3 parallelograms but I am unsure of how to cut a hexagon into 3 parallelograms. Can you show me what this would look like? Harley Weston lui répond.
	How many pounds in 300 grams?		2008-06-24
		Renelda pose la question : How many pounds in 300 grams? Can you send the formula? Thanks Penny Nom lui répond.
	Two forces acting on a body		2008-06-21
		Rita pose la question : Before answering the question below, what exactly is, in basic words, resultant force? QUESTION: Two forces of 50 and 68 pounds act on a body to produce a resultant force of 70 pounds. Find, to the nearest 10 minutes or nearest tenth of a degree, the angle formed between the resultant force and the smaller force. Harley Weston lui répond.
	The angles of a parallelogram		2008-06-11
		light pose la question : ABCD is a parallelogram. If angle A. = (4x=17)degrees and angle B. = (3x-5)degrees , what is angle c? Penny Nom lui répond.
	All wiffs are miffs and all miffs are kiffs.		2008-06-08
		Allison pose la question : All wiffs are miffs. all miffs are kiffs. There are 25 wiffs. There are 76 kiffs. 33 kiffs are not miffs. How many miffs are not wiffs? Penny Nom lui répond.
	Naming a figure		2008-04-24
		P. pose la question : What is the name of a figure that has 2 sides that measure 25 feet each and 2 sides that measure 10 feet each? Penny Nom lui répond.
	Ounces and grams		2008-04-02
		Rakesh pose la question : 7.2 oz per sq. yard equals ? __ grams per sq. meter How I can measure the weight of a Jeans fabric (in oz)? And what is the rellation between grams and oz? Penny Nom lui répond.
	The distance between the sides of a parallelogram		2008-03-30
		jhon pose la question : Calculate the perpendicular distance between AB and DC of a parallelogram. Note: AB and DC are the sides of the parallelogram. Penny Nom lui répond.
	Drawing blocks from a box		2008-02-11
		Inez pose la question : A box contains 3 red blocks and 1 green block. A block is chosen without looking and not put back. Then another block is chosen. What are the possible outcomes? Penny Nom lui répond.
	The interior angles of a parallelogram		2008-01-29
		amber pose la question : the measure of one interior angle of a parallelogram is 42 degrees more than twice the measure of another angle. Find the measure of each angle. Penny Nom lui répond.
	The interior angles of a parallelogram		2008-01-28
		steffie pose la question : How do you calculate the interior angle sof a parallelogram? Penny Nom lui répond.
	A parallelogram and a rhombus		2008-01-22
		miguel pose la question : i have a problem proving a parallelogram a rhombus.. if a diagonal of a parallelogram bisects an angle of the parallelogram , then its a rhombus prove Stephen La Rocque and Walter Whiteley lui répond.
	Conditional probability		2008-01-14
		Sara pose la question : Hello! Ian has a photocopier in his office. If the photocopier is working on a certain day then the probability that it will be working the next day is 0.9. If the photocopier is not working on a certain day then the probability that it will not be working the next day is 0.3. The photocopier is not working on Monday. (a) Calculate the probability that it will be working on Tuesday and Wednesday. (b) Calculate the probability that it will not be working on Wednesday. Could you please draw a tree diagram for this problem. Penny Nom lui répond.
	Forces on an inclined plane		2008-01-10
		Ron pose la question : A body that weighs 540lbs is caused to slide up an inclined plane with a uniform velocity by a force that acts parallel to the plane. For each foot of horizontal distance, there is a vertical rise of 2in. If the coefficient of sliding friction is 0.16, what force is required to move the body? Stephen La Rocque lui répond.
	Converting grams of hair spray into milliliters		2007-12-02
		komal pose la question : I am confused that i am converting 75grams of hair spray ( liquid) into ML? but i couldnt get the answer what is perfect answer for that please help me for this thing. Penny Nom lui répond.
	A thanksgiving day problem		2007-11-17
		svetik pose la question : On Thanksgiving Day, a group of nutty professors dressed up as "turkeys" and participated in a local fundraising event. The event consisted of three types of races: the sprint, the relay, and the hurdles. One more “turkey” takes part in the hurdles only than the sprint only. The same number take part in the sprint and the hurdles as take part in the relay and the hurdles. Eleven of the “turkeys” taking some part in these three races do not do the relay. Five “turkeys” take part in the sprint and the relay and three enter all three races. There are four teams of four “turkeys” in the relay. And, one more “turkey” is running in both the relay and the sprint than in the hurdles only. “Turkey” Coe turned and said to “Turkey” Kim, “How many ‘turkeys’ were taking some part in any of the three races?” The nuttiest math professor, “Turkey” Young, said “There were ________ ‘turkeys’ taking part in any of the three races.” Fill in the blank!!! Penny Nom lui répond.
	EFGH x 4 = HGFE		2007-11-13
		ROBIN pose la question : FIND THE NUMBERS THAT EACH LETTER STANDS FOR IN THE PROBLEM BELOW. EFGH x 4 = HGFE Stephen La Rocque lui répond.
	How do i convert milliliters to grams for water and also for copper sulfate (CuSO4)?		2007-11-11
		jenn pose la question : how do i convert milliliters to grams for water and also for copper sulfate (CuSO4)? Harley Weston lui répond.
	What was the water level in the cylinder?		2007-09-11
		glen pose la question : After a 5.63-g sample of Wood's metal has been added to the water in a 10-mL graduated cylinder, the new water level is 8.7mL. What was the water level in the cylinder before the sample was added? Stephen la Rocque lui répond.
	Which is more, 1.25 grams or 4.7 ml?		2007-08-22
		jenni pose la question : Which is more? 1.25 grams or 4.7 ml Penny Nom lui répond.
	65 grams =_____?mg		2007-08-22
		Quan pose la question : 65 grams = _____?mg Penny Nom lui répond.
	Proving a quadrilateral is a rectangle		2007-07-14
		Sonja pose la question : I was having this discussion with another teacher and we need a third opinion. When you are trying to prove a quadrilateral is a rectangle which method should you use: Prove the shape is a parallelogram by doing slope 4 times by stating that parallel lines have equal slopes. Then proving a right angle by stating that perpendicular lines have negative reciprocal slopes. Doing the slope 4 times and stating that the shape is a rectangle because opposite sides are parallel because of equal slopes and it contains a right angle because of negative reciprocal slopes. I guess the real question is do you have to first state that the shape is a parallelogram? Stephen La Rocque lui répond.
	The law of sines		2007-06-09
		Felicia pose la question : A parallelogram has one side that is 12.0 cm and one angle that is 65°. The shorter diagonal is 25.0 cm. To the nearest tenth of a centimetre, how long is the other side of the parallelogram? Use the sine law. Penny Nom lui répond.
	Probability that a restaurant will succeed		2007-05-23
		Cookie pose la question : You wish to open a new restaurant and are considering locations in Toronto and Hamilton, but only one location will actually become available. If it is built in Toronto, the restaurant stands an 80% chance of successfully surviving its first year. However, if it is built in Hamilton, its chance of survival falls to 65%. It is estimated that the chance of Hamilton being available is 60% and Toronto being available is 40%. Find the probability that the restaurant will : a) survive its first year b) be built in Toronto and survive its first year c) be built in Hamilton, given that it survived its first year d) not survive its first year, given that it is built in Toronto Thanks Penny Nom lui répond.
	Converting yogurt		2007-05-21
		Annie pose la question : I'm trying to follow a diet plan. The diet says I should have a 125ml tub of natural low fat bio yogurt. The only problem is, the yogurt pot lists its weight as 150g (with a large 'e' after it). Can you tell me how much of the yogurt pot I'm suppost to have please, or give me a conversion chart to change from g to ml for natural bio yogurt? Stephen La Rocque lui répond.
	Converting mass and volume of water		2007-05-10
		Shian pose la question : Hello please help, I just can't seem to get the convertion thing and my mom tried to help but I still don't get it. How many grams does 1 milliliter of water weight? I was told 1g. How many grams does 0.1 liter of water weight? I was told 0.1g. Can you tell me if the answers given are correct with an explaination that I can understand? Thank you. Stephen La Rocque lui répond.
	Linear programming		2007-04-24
		Sylvia pose la question : What is graphing linear programming? Penny Nom lui répond.
	Choosing a bicycle		2007-03-28
		Jackie pose la question : A specific brand of bike comes in two frames, for males or females. Each frame comes in a choice of two colors, red and blue, and with a choice of three seats, soft, medium, and hard. a) Use the counting principle to determine the number of different arrangements of bicycles that are possible. b) Construct a tree diagram illustrating all the different arrangements of bicycles that are possible. c) List the sample space. Penny Nom lui répond.
	Grams to millilitres		2007-03-02
		anton pose la question : I am trying to convert 28 grams of weight loss powder into mils Gabriel Potter lui répond.
	Grams/milliliters		2007-02-19
		Keshia pose la question : If there are 27 grams of sugar in 240 mililiters, How many grams are in 100 mililiters? I have been trying to figure this question out for about an hour and I cannot seem to get it. Thank you for your help. Chris Fisher and Haley Ess lui répond.
	Centimeters to cubic meters and grams to kilograms		2007-02-14
		Colleen pose la question : A box of balls measures 120cm by 20cm by 20cm and weighs 48 g. One thousand boxes = x cubic meters and weighs x kilograms. Also, one million boxes = x cubic metes and weighs x kilograms. One billion boxes = x cubic meters and weighs x kilograms. Solve for x. Stephen La Rocque lui répond.
	How many grams are in a 12 ounce coconut?		2007-02-08
		Tristan pose la question : I have a problem where I need to know how many grams are in a 12 ounce coconut. Do I use "dry measure" with figuring out how many grams are in a ounce? And is that about 28 grams? Thanks. Penny Nom lui répond.
	The interior angles of a parallelogram		2007-02-07
		jenniffeir pose la question : Can a parallelogram have two 45 degree angles and two 75 degree angles? Haley Ess lui répond.
	Grams and mls		2007-01-26
		Larissa pose la question : Is there a formula to convert grams to mls..? Stephen La Rocque lui répond.
	The diagonals of a parallelogram are mutually bisecting		2007-01-21
		Greta pose la question : I am having trouble proving that the diagonals of a parallelogram are mutually bisecting. Penny Nom lui répond.
	mls and grams		2007-01-19
		JJ pose la question : If I have a 2000litre pool and need to put 2mg of chlorine per litre, how many mls do I need to add? Penny Nom lui répond.
	Two consecutive angles of a parallelogram		2007-01-17
		Veronica pose la question : The measures of two consecutive angles of a parallelogram are in the ratio 9:11. Find the measure of each angle. Penny Nom lui répond.
	I want to convert milliliters into grams.		2006-12-14
		Kenchotenzin pose la question : I want to convert milliliters into grams. Penny Nom lui répond.
	ml to grams		2006-11-11
		Lisa pose la question : We have 900mL and you have to multiply by 1.18 grams do you just multiply and get 1062 grams or am I missing a step? Stephen La Rocque lui répond.
	An angle in a parallelogram		2006-08-13
		Sam pose la question : Parallelogram ABCD has diagonal AC equal in length to side AB. CD is produced to E so that D is between E and C. If angle BAC =30 degrees find the size of angle ADE. Stephen La Rocque lui répond.
	Grams and milliliters		2006-07-27
		Poh pose la question : We would like to know the conversion of 1 gm of cream/powder to ml. Stephen La Rocque and Penny Nom lui répond.
	Ounces of water to grams		2006-07-16
		Liza pose la question : How many grams is in 10 ounces? I'm asking this question because i just bought a sea monkey and it says add 10 ounces of water and I don't know what that means. I have asked my parents but neither of them know. Stephen La Rocque lui répond.
	A person is given 3 true or false questions		2006-05-11
		Larry pose la question : A person is given 3 true or false questions. They have no idea of the answers. What is the probability of the person getting them all correct? Could you show me a tree for this. Penny Nom lui répond.
	The area of a parallelogram		2006-03-12
		Shayne pose la question : Is there a method of finding the area of a trapezium or/and parallelogram even if the height is not given? Could you also explain how to find the height? Penny Nom lui répond.
	Broken-line graphs and histograms		2006-02-16
		George pose la question : 1. What is the main difference between a broken-line graph and a histogram? Both represent continuous variables. 2. What is the correct way to read a multiplication array: x-axis first and then y-axis, other way around or it doesn't matter? Penny Nom lui répond.
	Milliliters to grams		2005-12-29
		Kaitlyn pose la question : If I'm using baking soda, how do I convert milliliters to grams? Harley Weston lui répond.
	Brown hair and hazel eyes		2005-09-18
		Julee pose la question : There are 28 students in a class. 15 have brown hair, 17 have hazel eyes, and 10 have both. How many students have neither brown hair or hazel eyes? Penny Nom lui répond.
	Converting from grams to milliliters		2005-09-15
		A student pose la question : What if you don't know the liquid that you are converting from grams to milliliters? Penny Nom lui répond.
	Grams per liter		2005-02-20
		A student pose la question : A litre and a half of water has 0.045 grams of herbicide added for spraying roses. How many grams of herbicide per litre is this? Penny Nom lui répond.
	Conversion of a recipe		2005-02-06
		Peg pose la question : A Hungarian friend gave me an old, old family recipe and it calls for: 20 dg. sugar 15 dg. filbert I can't find a conversion table anywhere that explains how to get ounces from "dg." Do you know what the equivalent would be in ounces of dry measurement? Harley Weston lui répond.
	1/4 tsp salt = ??? grams		2004-11-16
		Julie pose la question : if i have 1/4 teaspoon of salt how many grams does that equal Penny Nom lui répond.
	Tennis balls and probability		2004-11-01
		Jeremy pose la question : I have a hopper of tennis balls that contains 25 new tennis balls and 10 old tennis balls. In the hopper the tennis balls are mixed up randomly. If i take one ball out of the hopper and hit it and then put it back and then take another ball out of the hopper and hit it and put it back, what is the probability that i hit two new tennis balls? Also a tennis ball becomes old after being hit just once. Penny Nom lui répond.
	Grams to milliliters		2004-09-25
		Emily pose la question : I am trying to convert 19.5g into mL assuming that it's water; density=1g/mL. I don't know where to begin. Penny Nom lui répond.
	A parallelogram		2004-07-30
		Keith pose la question : I'm a high school student and have been having trouble with this problem , which is based on one pair of parallel sides of a parallelogram: If AD = 6x-5 and BC = 3x+7 find x. Of course both sides have to be equal. Now I know the value of x is 4 So my question is how do you get 4 from the given information. Penny Nom lui répond.
	A new baby		2004-03-14
		Jessica pose la question : I just had a baby 3weeks ago, he is in the hospital and he can come home when he is 1800 grams, well i was wondering how many pounds that is? Penny Nom lui répond.
	Selecting balls from a golf bag		2004-02-21
		A student pose la question : There are 5 white and 5 yellow balls in a golf bag. Two are selected randomly, and simultaneously. What is the probability that the first one or the second one will be white? Penny Nom lui répond.
	Grams and Milliliters		2004-02-17
		Chantal pose la question : We have to do a "thing", and I need to convert grams into mililitres (g into mL). how can I do this? Penny Nom lui répond.
	Probabilities and olivies		2004-02-14
		Annetta pose la question : A bowl contains five green olives and eight black ones. Wilma sticks a fork into a bowl and brings out two olives. What is the probability that she gets one green and one black olive? Harley Weston lui répond.
	A problem with sets		2004-01-20
		Jason pose la question : Given that the universal set S is the set of all sports fans, and F={x|x is a football fan} B={x|x is a basketball fan} H={x|x is a hockey fan} a)Describe (F^B)' (f intersect b)' in words b)Draw a Venn Diagram and shade the region that represents the set of football fans or both basketball and hockey fans. Penny Nom lui répond.
	The area of a parallelogram		2003-04-06
		A student pose la question : Find the area of the parallelogram with vertices (0,0),(7,2),(10,7),(3,5) Penny Nom lui répond.
	Can a square be a rhombus?		2003-03-04
		Beth pose la question : Can a square be a rhombus? Some sources say yes, some say no. Some sources define a rhombus as a quadrilateral and parallelogram with equal sides, but without right angles. Some sources say a square is a special case of a rhombus. Clarity, please! Walter Whiteley lui répond.
	Can a square be considered a rectangle?		2003-02-27
		Carla pose la question : Can a square be considered a rectangle? (since opposite sides are same length and parallel) Would a regular hexagon or octagon be considered a parallelogram since its opposite sides are parallel? or does a parallelogram HAVE to have only 4 sides? Penny Nom lui répond.
	I have three circles...		2003-01-30
		Tony pose la question : I HAVE THREE CIRCLE THAT IS CIRCLE TOGETHER: IN CIRCLE A, THE NUMBERS ARE: 11 I KNOW IS IN CIRCLE A, BUT I HAVE THE: 5 THAT IN A AND C, I HAVE THE 2 IN THE CIRCLE C AND B AND AND A, THE CIRCLE C I KNOW THAT 10 IS IN THE CIRCLE THE 4 IN CIRCLE A: AND B: IN CIRCLE B, I KNOW NUMBER 13 IS IN CIRCLE B; BUT I HAVE THE 3 IN CIRCLE B AND C AND I HAVE THE 2 IN CIRCLE B AND C AND A ,THE 4 IN CIRCLE B AND A. HOW DO I FIND THE SUM IN CIRCLE C AND IN B IN BOTH CIRCLE A AND B AND B AND C NOT IN CIRCLE B, AND NOT CIRCLE C. Penny Nom lui répond.
	Tree diagrams		2002-10-12
		Denean pose la question : For lunch, students can choose juice or milk; hamburger or pizza; and a banana or apple. How many lunch combinations can the students make? In an experiment, Monty can use paper towels or cloth. He can choose red, green, or yellow food coloring. How many combinations are there? Penny Nom lui répond.
	Baseball, basketball and football		2002-10-08
		Debbie pose la question : The school newspaper is interviewing 6th grade students to see what sports they follow regularly on TV. Of the 70 students interviewed; 40 enjoyed basketball; 40 enjoyed baseball; 40 enjoyed football; 20 enjoyed basketball and football; 22 enjoyed baseball and basketball; 27 enjoyed football and baseball; and 12 enjoyed all three sports. How many students out of the 70 interviewed didn't follow any one of the three sports? Leeanne Boehm, Penny Nom and Walter Whiteley lui répond.
	Parallelograms		2002-08-21
		Moorthy pose la question : 11 parallel lines are intersected by another 9 parallel lines.Then how many parallelograms are formed? Walter Whiteley lui répond.
	Linear programming		2002-05-27
		Jes pose la question : A machine shop makes two parts, I and II, each requiring the use of three machines, A, B, C. Each Part I requires 4 minutes on Machine A, four minutes on Machine B and five minutes on machine C. Each Part II requires five minutes on Machine A, one minutes on Machine B and six minutes on Machine C. The shop makes a profit of $8 on each Part I and $5 on each Part II. However, the number of units of Part II produced must not be less than half the number of Part I. Also each day the shop has only 120 minutes of machine A, 72 minutes of Machine B, and 180 minutes of Machine C available for the production of the two parts. What should be the daily production of each part to maximize the shop's profit? Claude Tardif lui répond.
	Conditional probability		2002-05-19
		Manny pose la question : In a certain school, it is known that 80% of the students use the internet for school projects, 60% use e-mail on a regular basis, and 90% use the internet for school projects or for e-mail on a regular basis. a student from this school is selected at random Determine thge probability that the student used e-mail, given that the student used the internet for school projects. ANS: how can i solve this question by useing the vin diaagram Andrei Volodin lui répond.
	Conversion of units		2002-04-29
		Matt pose la question : I am having trouble finding a workable equation for the following problem, particularly the conversion of two systems of measurement. The question states that there are 27 grams of salt in a kilogram of seawater. And it asks how many tonnes (1 tonne = 1000 kilograms) of salt are there in one cubic kilometer of ocean. It also says that the density of seawater is 1.1 g/cm3. What is the equation and how do I figure out how many kilograms there are in a cubic kilometre? Harley Weston lui répond.
	A health club		2001-11-25
		Maria pose la question : A health club with a membership of 650 people operates a running track and an indoor swimming pool. A survey of the membership indicates that 68% use the running track, 44% use the swimming pool, and 8% use neither. If a member is chosen at random, what is the prbability that the member uses: a) Both the track and the pool? b) Only the track? Penny Nom lui répond.
	Applied geometry		2001-11-02
		Jenny pose la question : Where can I find some hands-on activities for my Applied Geometry classes? I want to do more activities with them that allow us to get out of the classroom. However, I want to use activities that use only inexpensive equipment because I usually buy the equipment myself. Walter Whiteley lui répond.
	Milliters and grams		2001-09-20
		Betty-jo pose la question : 500 ml is what in grams Pnny Nom lui répond.
	300 pounds		2001-09-12
		Cassie pose la question : HOW MANY KILOS IS IN 300 POUNDS? Penny Nom lui répond.
	Genealogy		2001-03-22
		Brian pose la question : In considering tracing genealogy the problem of a large and growing number of direct (grandparent) ancestors arose. Since the number of grandparents in any given generation doubles, for a person born in 2000 and assuming 25 year generations, in the year 1000 that person would have over one trillion direct ancestors in that year alone. Since estimates I have read place the total world population in 1000 at 250-300 million, the one trillion figure cannot be correct. I must be missing something in my calculations. Can you help provide the answer? While I am unlikely to be able to trace back to 1000, there is reason to believe 1250 is possible. Even in that year there would exist over one billion direct ancestors. That is certainly rather daunting and unlikely to be achieved if correct. Penny Nom lui répond.
	How can you prove a quadrilateral to be a parallelogram?		2001-03-16
		Joy pose la question : How can you prove a quadrilateral to be a parallelogram? Walter Whiteley lui répond.
	Vitamins A and B		2001-01-14
		Sara pose la question : A diet is to include at least 140 mg of Vitamin A and at least 145 mg of vitamin B. these requirements are to be obtained from two types of food. type X contains 10 mg of vitamin A and 20 mg of vitamin B per pound. Type Y contains 30 mg of vitamin A and 15 mg of vitamin B per pound. if type X food costs $12 and Type Y $8 per pound, how many pounds of each type of food should be purchased to satisfy the requirements at the minimum cost? Claude Tardif and Harley Weston lui répond.
	Derfs, Enajs and Sivads		2001-01-07
		John and Norman pose la question : All Derfs are Enajs. One-third of all Enajs are Derfs. Half of all Sivads are Enajs. One Sivad is a Derf. Eight Sivads are Enajs. The number of Enajs is 90. How many Enajs are neither Derf nor Sivad? Penny Nom lui répond.
	False Positives		2000-10-29
		James pose la question : A rare disease infected 1 in 1000 people in the population. A test for the disease is accurate 99% of the time when given to an infected person and also when given to a heathy person. Fill out a two-tier tree diagram and find the probability of the false positive(i.e the conditional probabily of being healty even when tested postive by the test) Comment on the result? ... Penny Nom lui répond.
	Pillows and Cushions		2000-09-27
		Fiona pose la question : The following problem was given to grade eleven algebra students as a homework assignment. To manufacture cushions and pillows, a firm uses two machines A and B. The time required on each machine is shown. Machine A is available for one full shift of 9.6 hours. Machine B is available for parts of two shifts for a total of 10.5 hours each day. Harley Weston lui répond.
	How many grams are in 1 ounce?		2000-04-04
		Kathy G pose la question : How many grams are in 1 ounce? Penny Nom lui répond.
	Careers after a math degree		2000-03-31
		Jeanne Hyer pose la question : What type of careers can a person have with a math degree, and what is the closest thing that you have to an undergraduate degree in financial mathematics? (Administration, math, actuarial science, etc.) Harley Weston lui répond.
	Congruent parts of congruent figures		2000-03-10
		Erica pose la question : Yesterday, I recieved a test problem asking to prove two line segments equal. Here is the problem as I was given it: Given: paralleogram ABCD AE is perpendicular to DB CF is perpendicular to DB Prove: AE is equal to CF I answered the problem as follows: . . . Walter Whiteley lui répond.
	100% on two tests		2000-02-01
		Craig and Chelsea Bruzzone pose la question : A class of 35 students took a math test and a science test. 12 students got 100% on the math test. 9 students got 100% on the science test. There were 19 students who made less than 100% on both tests. How many students made 100% on both tests? Penny Nom lui répond.
	Bar graphs and histograms		2000-01-11
		Raeluck pose la question : What is the difference between a bar graph and a histogram? Harley Weston lui répond.
	Linear programming and optimization		1999-04-09
		Shams pose la question : What is Linear programming and optimization? Jack LeSage and Penny Nom lui répond.
	Converting Metric Measurements		1999-04-08
		Rick pose la question : Do you have any simple explanations for converting Metric measurements to other Metric measurements?? What helpful hints do you also have for a 5th Grader... Penny Nom lui répond.
	Universal Area		1999-04-08
		Karen Richardson pose la question : I need a formula for area that works for a square, a rectangle, a parallelogram, a trapezoid, and a triangle. Jack LeSage, Chris Fisher and Harley Weston lui répond.
	Metric Conversion		1999-03-07
		TDestra pose la question : Please help to answer this question: Is a cubic centimeter equivalent to milligrams or milliliters, and how many? Also, is it a liquid measure? Penny Nom lui répond.
	Circumference and Area		1999-02-16
		Natalie pose la question : finding the circumference of a circle? formula finding the area of a parallelogram? formula Penny Nom lui répond.
	A Puzzle		1998-10-27
		Bruce Bragnu pose la question : We are trying to solve what SHOULD BE a simple 7th grade problem and have run into a wall. It is: ABCD ABCD ABCD ABCD ------- EBEA It is an addition problem. Each particular letter represents the same digit. We are looking for what number "B" represents. We have tried a multitude of solutions and have come up empty. Penny Nom lui répond.
	Operations Research		1998-10-08
		Lisa Barrett pose la question : What is the history of operations research and the study of linear programming? Judi McDonald lui répond.
	Isosceles trapezoid formula		1998-05-12
		Donna McMullin pose la question : The teacher of Gifted and Talented Math has been trying to locate the formula for anisosceles trapezoid and we can't find it anywhere. Could it be the same formula for that of a parallelogram ? Please advise. Walter Whiteley lui répond.
	Tangrams		1998-02-24
		Allison pose la question : Do you know the story behind the tangram? I know that it is a Chinese puzzle about 200 years old. If there is a story about its creation, I would love to share it with my 7th graders. Thanks. Diane Hanson and Penny Nom lui répond.
	Diagramming Powers		1997-10-15
		David Fill pose la question : I am a teacher in Massachusettes. We have been diagramming numbers such as two to the third (a 3-D cube). One of my students asked me how you would diagram two to the fourth. I have searched through all of my teachers books and cannot seem to find the answer to this question. Is there a way to diagram this? If there is, how would you do this? Your help would be greatly appreciated. Penny Nom lui répond.
	Histograms.		1997-09-26
		David Wilson pose la question : I need some help to teach my daughter the functions and the techniques involved in solving histograms. She is in the 7th grade and is in a prealgebra class. She was give these as homework, however there is no section in her book explaining what a histogram is or how to solve them. Thanks! Penny Nom lui répond.
	Diagonals in a polygon		1996-06-18
		Steven pose la question : How many diagonals are there in a polygon? Denis Hanson lui répond.

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