Sujet: cement liste de sujets
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	Calculating volume of concrete, dirt, sand, anything.		2006-11-17
		Debbie pose la question : [This article contains a special calculator to help you find the volume (for example, the cubic yards) of material required to fill (or empty) a space if you know the length, width and depth.] We are wanting to pour a 24'x30' slab that is 5" deep. How many cubic yards of cement do we need? Penny Nom lui répond.
	Vectors		2019-09-06
		Kayla pose la question : Hi! Due to time constraint issues, we skipped vectors in Pre-Calc last year. However, I'm attempting to complete my AP Physics summer homework and there are 3 problems with vectors. As I explained, I have no idea even where to begin and as such I need some help. Problem 1: A plane flying at 90° at 45 m/s is blown toward 0° at 62 m/s by a strong wind. Find the plane's resultant velocity. I have tried all sorts of online calculators but none are providing me with a formula I can use to solve this problem on my own. Problem 2: If you walk 367 m North and 785 m West what is your total displacement from your original location? What is the problem asking for when it says displacement? Problem 3: A plane travels on a heading of 127.0° at a velocity of 25 km/hr. What are the horizontal and vertical components of the plane's velocity? As you know already, I have never done vectors so I don't know what horizontal and vertical components of velocity are. Thank you So Much for your help!! I am struggling!! - Kayla Penny Nom lui répond.
	Pouring a foundation		2015-11-27
		Lisa pose la question : Hi im building a house 30ft long 18 ft wide I would like to pour a foundation of 6 inches deep. How much sand, cement , 1/2" gravel do i need. Penny Nom lui répond.
	A barge of triangular cross section		2014-08-18
		tushar pose la question : a barge of triangular cross section is 20m long 12 m wide and 6m deep.its floats in SW at a draft if 4m find its displacement Penny Nom lui répond.
	An arrow is shot straight up in the air		2012-12-06
		heather pose la question : The skywalk is a glass bottomed platform that hangs over the edge of the Grand Canyon and is suspended 4000 feet above the floor of the canyon. If a tourist shot an arrow straight up in the air from the observation platform, the arrow's height could be modeled by H(t) =-16^2 + 240 + 4000 where H(t) is the height of the arrow above the canyon floor in feet t seconds after being shot, t>0. (a) Find H(5) and explain its meaning Penny Nom lui répond.
	Gravel, sand, cement and an equilateral triangle		2012-03-21
		saheed pose la question : how many tonnes of gravel and sand,bags of cements will be required to concrete 5feet depth/deep of 4feet equilateral triangle? Harley Weston lui répond.
	Displacement		2011-12-17
		faisal pose la question : a helicopter takes off and travels 300 km due north then returns to its landing field. what is its displacement? Penny Nom lui répond.
	Blocks in a wall		2011-09-12
		JOHN pose la question : HOW MANY BLOCK WILL IT TAKE TO BUILD A 28*48 HOME, ON A FOOTER THAT IS DONE ALREADY, I WANT TO GO TEN HIGH. Harley Weston lui répond.
	Bags of cement		2010-04-24
		Carol pose la question : How many bags of portland cement will I need for an area that is 18' x 31' with a thickness of 4". The bags weigh 94 lbs if that is necessary. Thank you for any help. Penny Nom lui répond.
	3-D Vectors		2008-07-22
		jenina pose la question : 1. The summit of a mountain, 2450m above base camp, is measured on a map to be 4580m horizontally from the camp in a direction 32.4º west of north. What are the components of the displacement vector from camp to summit? What is its magnitude? Choose the x axis east, y axis north and z axis up. Janice Cotcher lui répond.
	How many bags of cement do I need		2008-03-30
		Joe pose la question : How many bags of cement do I need if I want to extend my carport 6 inches all around? The carport is 15ft. x 15ft. and the existing slab is 4 inches thick. Harley Weston lui répond.
	How many bags of cement will I need?		2008-01-15
		James pose la question : I want to extend my front porshe more to the left atleast 14' 1" length wise and 5' 1" width wise with 4" thickness. Now i already decimalized in feet those inches, resulting with 14.08 length and 5.08width and 0.33 of thickness. I then Get my square feet of 71.53. And go on to cubic feet getting a 23.60 in cubic feet. Now i want to convert to cubic yards so i then divide 23.60 into 27 and get 0.87. Now my question is how would i use this to go and buy the necessary bags of cement knowing that a 94 lb. bag of cement is 1 cubic foot of bulk material. To fill 4 inch of thickness and 14' of length and 5 of width? Stephen La Rocque lui répond.
	Mixing cement		2007-10-09
		Sandra pose la question : How many bags of cement do I need for a floor for a house that is 8meters long, 8meters wide and 50cm deep. Stephen La Rocque lui répond.
	Sand, stone and cement		2007-04-24
		Vijai pose la question : I have a room with the following dimensions: length=14 feet, width =20 feet and I'd like to pour a floor 6 inches high. What ratio of sand, stone and cement is needed to cover this area. I would really appreciate your help. Penny Nom lui répond.
	Throwing a stone downwards		2007-01-12
		Momo pose la question : a stone is thrown vertically downward with an initial speed of 14m/s from a height of 65 m above the ground. A) how far does the stone travel in the first 2.0 s? B) what is the stone velocity just before it hits the ground? Stephen La Rocque lui répond.
	How much cement would I need?		2006-09-07
		Lou pose la question : At a five to one mix how much sand/gravel and how much cement would I need for a 71/2 yard pour? What formula would I use for this calculation. My sand/gravel is in a cone shaped pile and I know how to calculate that. I need to know if I have enough and how many bags of cement I need to buy. I will be using a engine operated cement mixer Harley Weston lui répond.
	I am pouring cement		2006-08-22
		David pose la question : I AM POURING CEMENT 8FT. X 8 FT. X 4 INCHES 8FT. X 8FT. X 5 INCHES. 8FT. X 8FT. X 5 1/2 INCHES. WHAT IS THE FORMULA? Penny Nom lui répond.
	How many bags of concrete will we need to use?		2006-07-20
		Sue pose la question : We are trying to pour some concrete The area measures 26 ft long x 20 in wide. We want to pour the concrete 3 in thick. One bag covers .41 cu. ft. How many bags of concrete will we need to use? Penny Nom lui répond.
	Concrete for a chicken coop floor		2006-07-13
		Chelsea pose la question : How much concrete for a chicken coop floor? The dimentions are 3 slabs, 30 feet long and 4 inches thick, 6 feet 6 inches wide. One slab is 41 feet long, 6 feet 6 inches wide, and 4 inches thick. Stephen La Rocque lui répond.
	Cement for a large patio		2006-07-13
		Jim pose la question : I have a 60' by 100' patio. I am wanting to raise it 1 foot. The truck carrying the cement can only hold 10 cubic yards. How many truck loads would I need? Stephen La Rocque lui répond.
	Putting in a sidewalk		2006-05-31
		Sandra pose la question : I am putting in a sidewalk the measurements are 12 feet by22 inches ,by 4inchs how many bags of cement will I need? Penny Nom lui répond.
	Forty balls are placed in a bag		2004-06-19
		Sheila pose la question : Forty balls numbered 1-10 are placed in a bag and four are drawn at random. What is the probability that the first ball drawn is between 1-10 (inclusive) the second is between 11-20, the third is between 21-30 and the last is between 31-40? Penny Nom lui répond.
	Yards and cubic feet		2003-08-11
		Sonya pose la question : How many cubic feet are in a yard? Penny Nom lui répond.
	Scoring a college placement test		2001-09-26
		Carmen pose la question : A college placement test consist of 75 multiple-choice questions, each having 5 possible answers. The exam is scored by subtracting from the number of correct answers one-quarter of a point for each question answered incorrectly. If a person answers every question on the exam and scored 45, how many questions were answered wrong? Penny Nom lui répond.

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