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The hypotenuse |
2012-09-06 |
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Jeevan pose la question :
how can i find the height and base of a right angle triangle if i have the hypotenuse only ?
Penny Nom lui répond. |
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(2y+1)/3=(1y-1)/2 |
2012-09-06 |
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jenna pose la question :
(2y+1)/3=(1y-1)/2
Penny Nom lui répond. |
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A container of split peas |
2012-09-06 |
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Laurie pose la question :
I have a container that is 471 square inches (length*width) and is 2.3 inches high. I want to cover the bottom with 1/2 inch of split peas, in order to anchor escort cards (place cards) for a wedding. How many pounds of split peas do I need to cover the area to a height of 1/2 inch? Thanks
Penny Nom lui répond. |
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Row echelon form |
2012-09-05 |
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Jennifer pose la question :
Hello, my name is Jennifer. I am a 12th grader in Pre-Calculus and I was wondering if you may help me with Row Echelon Form.
x + 2y - 3z = -5
-2x - 4y - 6z = 10
3x + 7y - 2z = -13
Penny Nom lui répond. |
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Angular velocity |
2012-09-05 |
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Kyra pose la question :
A belt connects a pulley of radius 8cm to a pulley of radius 6cm. Each point on the belt is travelling at 24 cm/sec. Find the angular velocity of each pulley.
Penny Nom lui répond. |
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A tangent to f(x) = 1/x |
2012-09-04 |
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Steven pose la question :
Consider the graph of the function f(x) = 1/x in the first quadrant, and a line tangent to f at a point P where x = k. Find the slop of the line tangent to f at x = k in terms of k and write an equation for the tangent line l in terms of k.
Penny Nom lui répond. |
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Two cubes |
2012-09-04 |
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alexis pose la question :
a cube has one face that is equal to the total surface area of another cube. Find the ratio of their volumes
Penny Nom lui répond. |
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Exponential form |
2012-09-04 |
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angie pose la question :
How do i write 9^-5 in exponential form?
Penny Nom lui répond. |
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calcul de durée |
2012-09-03 |
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laila pose la question :
un bus démarre de paris à 8h 45mn s'il fait 42h 20 mn de trajet entre paris et la ville suivante à quelle heure il arrivera à la ville suivante.
est ce qu'il ya un shema pour calculer ou comment procéder. je sais qu'il faut additionner 8h 45 mn à 42h 20mn, mais comment on trouve le résultat rapidement. merci
Claude Tardif lui répond. |
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The number of solutions of sinx = x^2 + x +1 |
2012-09-01 |
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anamika pose la question :
number of solutions of
sinx = x^2 + x +1
graphically?
Penny Nom lui répond. |
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A security code |
2012-09-01 |
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Breanna pose la question :
The code is made up of five two digit numbers from 01 to 20 entered in a certain order. How many different security codes are possible with this system
Penny Nom lui répond. |
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The area of a rectangle |
2012-08-31 |
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mario pose la question :
The area of a triangle when on side is x and the other is x+6
Harley Weston lui répond. |
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Exponntial form |
2012-08-30 |
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Robin pose la question :
My math teacher has asked the question:
"Write mmmxxjmyy2 in exponential form"
How would you solve this problem?
Penny Nom lui répond. |
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Golf for 20, two teams of 10 |
2012-08-30 |
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Mark pose la question :
Hi
I have to teams of 10 people playing Ryder cup format(against each other)
Can I have all 20 people playing with someone different over 3rounds of golf while remaining on there respective team I.e. players 1 to 10 must team up with a player of that group against a pair for players 11 to 20
I hope you can solve this for me
Thanks a bunch Mark
Victoria West lui répond. |
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12 golfers, 4 rounds |
2012-08-29 |
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Paul pose la question :
We have 12 golfers who will play four rounds of golf - how can we organize the foursomes so that each player has the most exposure to the other 11 players?
Victoria West lui répond. |
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