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How many students and how many cookies are there? |
2006-03-10 |
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From Stephanie:
A group of students is trying to evenly divide the cookies remaining from a bake sale. If each student takes three cookies, there are five cookies left. If each student takes four cookies, they are two cookies short. How many students and how many cookies are there?
Answered by Penny Nom. |
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What is the height of the pot? |
2006-03-10 |
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From Michelle:
If a pot is 11 inches in diameter and holds 5.8 litres what is the height of the pot? - assuming it is a cylinder.
Answered by Stephen La Rocque. |
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How many of these cubes have no wax of them? |
2006-03-10 |
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From Iban:
cube cheese is 4cm wide, 4cm long, 4cm high. three faces of the cube meet in the corner covers thin layers of wax. The cheese is then cut two, then cut 64 small cubes, which is the length 1cm.
How many of these cubes have no wax of them?
Answered by Stephen La Rocque. |
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George and his car |
2006-03-10 |
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From Catrina:
George's car gets 3 more miles per gallon during highway driving that it does during city driving. Recently he drove 112 miles on a highway and 150 miles in the city and used exactly 10 gallons of gas. How many miles per gallon does his car get during city driving?
Answered by Stephen La Rocque. |
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The number of gallons in a tank |
2006-03-09 |
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From Doug:
We have a round tank that is 216 inches long 64 inches wide across ; how do we find the number of gallons it could hold ?
Answered by Stephen La Rocque. |
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A 4-digit Combination Lock |
2006-03-09 |
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From Adam:
I have a 4-digit Combination Lock but i have forgotten the code. i do know that it is an even number, all the digits are different, the second digit is zero and the largest digit is 6. what are all the possibilities.
Answered by Stephen La Rocque. |
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Domain and range |
2006-03-08 |
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From Jennifer:
How do I find the domain of x-2y=1 if the range is {-2,0,5,8}
Answered by Penny Nom. |
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8,_,4,9,1,_,10,3,_,0 |
2006-03-08 |
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From Rachel:
I cant figure out this sequence if someone could help me
8,_,4,9,1,_,10,3,_,0
Answered by Claude Tardif. |
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A reduction of 10% in the price of tea |
2006-03-08 |
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From Bidhu:
A reduction of 10% in the price of tea enables a dealer to purchase 25 kg more tea for Rs 22500.What is the reduced price per kg of tea?What was the original price per kg?
Answered by Stephen La Rocque. |
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Factor |
2006-03-08 |
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From Brad:
Factor:
x3 + 64m3 and 125p3 - q6
Answered by Penny Nom. |
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Factors of a cubic |
2006-03-08 |
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From Skye:
Show that (x+2) is a factor of f(x) where:
f(x) = px3 + (4p+2)x2 + (5p+4)x + 2p
Find the range of values for which the equation f(x) = 0 has 3 distinct real roots
Answered by Penny Nom. |
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The dimensions of a poster |
2006-03-08 |
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From Sonu:
poster measures 150cm by 180cm is enlarged in the ratio 8:5 find the length and breath of the enlarged poster.
Answered by Stephen La Rocque. |
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The first six million digits of PI |
2006-03-08 |
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From Lori:
How many threes are there in the first six million digits of PI? Also how many nines?
Answered by Stephen La Rocque. |
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Square roots |
2006-03-07 |
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From Diana:
Find each square root
Answered by Harley Weston. |
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ABCD est un carré de 4 cm de côté |
2006-03-06 |
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From Elodie:
ABCD est un carré de 4 cm de côté. On découpe un peit carré AEFG d côté x. Que vaut x si l'aire de AEFG est la moitié de l'aire de ABCD?
Answered by Claude Tardif. |
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