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The sequence 2,3,5,5,8,7,11 |
2011-01-19 |
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taylor pose la question :
number relationship in number sequence 2,3,5,5,8,7,11
Chris Fisher and Penny Nom lui répond. |
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1/a^2 + 1/b^2 |
2011-01-19 |
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robert pose la question :
If (a + b)^2 = 81 and ab = 18, find the value of 1/a^2 + 1/b^2 ?
Penny Nom lui répond. |
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Points with distance 5 from the point (-2, -1) |
2011-01-19 |
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Alexa pose la question :
Find all points having a x-coordinate of 2 whose distance from the point (-2, -1) is 5.
Penny Nom lui répond. |
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The diameter of a cylinder |
2011-01-18 |
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Gayle pose la question :
Given a cylindrical container that holds 45 imp. gallons and is 42 inches high, find the diameter
Penny Nom lui répond. |
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Flipping a cone over |
2011-01-17 |
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Fionna pose la question :
The height of your cone is "x".
Holding the cone so that the vertex is at the bottom, fill it half full with water. The depth of the water is "1/2x".
Put a lid over the top, and flip it over.
What is the new depth of the water, now that the cone is flipped?
Penny Nom lui répond. |
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Profit as a percentage |
2011-01-17 |
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Connie pose la question :
I am trying to determine the profit margin on selected items.
ex: A bottle of juice costs me $.70, I sell it at $3.75. How can I determine what my profit percentage is?
Penny Nom lui répond. |
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A rectangle |
2011-01-16 |
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meg pose la question :
if a rectangle has a length that is 3cm less than 4 times its width and its perimeter is 19cm, what are the dimension?
Penny Nom lui répond. |
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The greatest value of 5 – | x – 3| |
2011-01-16 |
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pranav pose la question :
What is the greatest value of 5 – | x – 3 | for any integral value of x.
--< br />
PRANAVM
Penny Nom lui répond. |
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A cylindrical tank |
2011-01-16 |
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tom pose la question :
A cylindrical tank, 1 ft in diameter, length 6 ft , is placed so that its axis
is horizontal. How many pounds of water will be used in filling it to a depth
of 9in. , if water weighs 62.4 lbs. per cu. ft.?
Penny Nom lui répond. |
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16 golfers |
2011-01-16 |
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Kenneth pose la question :
Our group will play 12 rounds.
We are 16 golfers.
How can I schedule 12 days of differing foursomes limiting repeats in the foursomes
Victoria West lui répond. |
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tanθ=1.192 |
2011-01-15 |
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Adori pose la question :
Use a calculator to approximate two values of the θ (0 ≤θ≤2π) that satisfy the equation.
a) tanθ=1.192
I do not understand how to find the second value of θ.
Harley Weston lui répond. |
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2x = 2+2x |
2011-01-15 |
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james pose la question :
2x=2+2x can you help me find what x epauls?
Penny Nom lui répond. |
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Matt is thinking of two numbers |
2011-01-14 |
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mary pose la question :
Matt is thinking of two numbers. One number is 9 more than the other number. The sum of the numbers is 45. What are the numbers?
Penny Nom lui répond. |
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Integrating ln^3x/x |
2011-01-14 |
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ken pose la question :
y=ln^3x/x from x=1 to x=11
Penny Nom lui répond. |
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The volume of a smokestack |
2011-01-13 |
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tom pose la question :
The outer protective smokestack of a steamship is streamlined so that it has
uniform oval section parallel to the deck. The area of this oval section is
48 sq. ft . If the length of the stack is 15 ft. and the stack is raked aft so
that its axis at its upper end is horizontally 4.2 ft from the lower end, find
the volume enclosed by the stack.
Penny Nom lui répond. |
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