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Buying some carpet 2006-06-05
From Russ:
My room is 24 ft. long and 17 ft. wide. I need to know how many square feet are in 1 yd.²
Answered by Penny Nom.
The perimeter of a pool 2006-06-05
From Troy:
How many Linear feet would a pool be if the pool was 18 by 38 foot oval
Answered by Penny Nom.
What is the value of csc (-2pi/3)? 2006-06-04
From Kishor:
What is the value of csc (-2pi/3)?
Answered by Stephen La Rocque.
A trig identity 2006-06-04
From Courtney:
Show that this equation is an identity: (sin x + sin 2X)/(cos x - cos 2x) = cot(x/2)
Answered by Stephen La Rocque.
Compound interest 2006-06-01
From Kerem:

Question: Quing deposits $40 at the end of each month into a savings account. If the money earns 4% annum compounded monthly, how much money is in the account at the end of 24 months?

and

Calculate the present value of an annuity, if $150 payments are to be made monthly for 4 years and the interest rate is 9% per annum compounded monthly.


Answered by Natasha Glydon and Penny Nom.
Putting in a sidewalk 2006-05-31
From Sandra:
I am putting in a sidewalk the measurements are 12 feet by22 inches ,by 4inchs how many bags of cement will I need?
Answered by Penny Nom.
What is the sum of the first 100 whole numbers? 2006-05-31
From Jo:
what is the sum of the first 100 whole numbers?
Answered by Natasha Glydon, Paul Betts and Penny Nom.
The width & depth of a 1/4 acre pie shaped lot 2006-05-30
From Linda:
Can you tell me what the approximate width & depth of a &frac; acre pie shaped lot might be?
Answered by Penny Nom.
Three people go to a store where there is a sale 2006-05-30
From Geocee:
Three people go to a store where there is a sale. One person buys two shirts, one pair of pants and one sweater. The second person buys one shirt, two pairs of pants and two sweaters. The third person buys three shirts and four pairs of pants. Find the price of each item if the first person spent $155 and the second and third person spent $235 each.
Answered by Stephen La Rocque.
Math manipulatives 2006-05-29
From Mike:
Our school is looking to order a large amount of math manipulatives. Do you have a reliable, reasonably priced source that is not producing 'kits' that are intended for specific math programs like Math Makes Sense?
Answered by Diane Hanson and Walter Whiteley.
The area of part of a circle 2006-05-29
From Larry:
need to find area of a circle between a given line (cord) to the circumference of the circle (see attachment). I often review blue prints of homes and many times have to know the area the home.
Answered by Stephen La Rocque and Penny Nom.
A boat travels 60 miles upstream ... 2006-05-28
From Teenarick:
A boat travels 60 miles upstream against the current in 3 hours. It takes 2 hours for the return trip. Find the speed of the boat in still water.
Answered by Penny Nom.
A truncated cone 2006-05-28
From Phil:
Hi, I am an art student and I am trying to make a "truncated cone" (ie: a cone with the top cut off) out of sheet metal. I need to design a template first and am having problems working out the angles. The truncated cone is 250mm high, 550mm wide at the bottom and 290mm wide at the top. Can you help?
Answered by Stephen La Rocque.
How to find length of sides of hexagon shaped object? 2006-05-28
From Billie:
How to find length of sides of hexagon shaped object?
Answered by Harley Weston.
what is the cubic feet of 18... 2006-05-27
From A student:
what is the cubic feet of 18"x18"x24"?
Answered by Penny Nom.
 
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