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Simplifying algebraic expressions |
2001-05-12 |
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A student pose la question :
How do you simplify algebra expressions?
Penny Nom lui répond. |
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The height of a pyramid |
2001-05-11 |
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Ryan pose la question :
Jane is building a model of a pyramid for a history project. It has a square base of side length 100 cm. The angle of elevation of the sides is 60 degrees. What is the height of Jane's pyramid.
Harley Weston lui répond. |
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The angles in a triangle |
2001-05-11 |
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Nikki pose la question :
Find the measure, to the nearest degree, of each angle of a triangle with sides of the given lengths. 26, 35, 40
Penny Nom lui répond. |
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A quadratic function |
2001-05-10 |
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A parent pose la question :
A quadratic function is given by f:x------ax2+b
If the two points A(2, 2) and B (0, -8) are on the graph of the function, then find a and b.
Penny Nom lui répond. |
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Greatest Common Factor |
2001-05-09 |
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Nicole pose la question :
What is the Greatest Common Facter for:
126,261
1008,1080
546,1995
128,256
and
255,256
Penny Nom lui répond. |
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Circles, ellipses, parabolas and hyperbolas |
2001-05-09 |
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Colleen pose la question :
How is an ellipse like a circle?
In what way does an ellipse have a center?
How is a hyperbola similar and different to an ellipse?
How is a parabola similar a different to a circle ellipse and parabola?
Pnny Nom lui répond. |
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Marginal Propensity to Consume |
2001-05-09 |
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Esther pose la question :
The derivative of the national consumption function C = f(y) is called the ____________________.
Judi McDonald lui répond. |
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National consumption function |
2001-05-09 |
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Brian pose la question :
If consumption is $11 billion when disposable income is 0 and the marginal propensity to consume is dC/dy = 1/(2y+4)1/2+0.3(in billions of dollars), find the national consumption function.
Harley Weston lui répond. |
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Maximize profit |
2001-05-09 |
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Brian pose la question :
The marginal cost for a certain product is given by MC = 6x+60 and the fixed costs are $100. The marginal revenue is given by MR = 180-2x. Find the level of production that will maximize profit and find the profit or loss at that level.
Harley Weston lui répond. |
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Dividing fractions |
2001-05-09 |
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Rina pose la question :
I just wanted to ask if you could help me in math. See I'm having a test soon and its on Dividing Fractions and I just don't get it. My math teacher says that I'll be just fine but I failed my math quiz. I went to ask eric but they could help me so they told me to go to you. So here I am asking you if you could help me.
Penny Nom lui répond. |
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The area between two curves |
2001-05-08 |
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Esther pose la question :
Find the area of the region enclosed by the graphs of y = x3-6x and y = -2x between their points of intersection.
Harley Weston lui répond. |
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The average value of a continuous function |
2001-05-08 |
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Esther pose la question :
The average value of a continuous function y = f(x) on the interval [a,b] is given by ________________?
Harley Weston lui répond. |
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Neither prime nor composite |
2001-05-08 |
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Marc pose la question :
what 2 numbers are neither prime nor combitative?
Penny Nom lui répond. |
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Teaching square roots |
2001-05-08 |
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Katie pose la question :
My friend and I are doing a project. We have to teach our class about square roots. What is the easiest way to teach square roots to a class?
Penny Nom lui répond. |
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24 from 2, 2, 14, and 21 |
2001-05-08 |
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Kimberly pose la question :
using the numbers 2, 2, 14, and 21. how can you get 24 using + - X or division
Claude Tardif lui répond. |
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