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I have 6 vertices and 10 edges |
2008-10-20 |
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From Jacquelin:
I have 6 vertices and 10 edges. One of my faces is a regular polygon.
Answered by Chris Fisher. |
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How much does Luc pay for his tools?? |
2008-10-20 |
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From imran:
Luc makes $1 profit on each tool he sells. Marc makes a $2 profit while paying $5 less for his tools than Luc. Marc thus makes $6 more profit for every $100 invested. How much does Luc pay for his tools??
Answered by Penny Nom. |
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The area of a square |
2008-10-20 |
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From Danny:
Is it possible to use a circumference measurement to find the area of a square when all 4 corners have a 1.75" radius?
Answered by Harley Weston. |
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BEDMAS |
2008-10-19 |
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From Jenna:
ok my question is
How do u do BEDMAS in the correct order when it's set up in a weird order without getting confused
I.E
(18-4)exponent2 divided by 2
Answered by Penny Nom. |
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A sphere and hexagons |
2008-10-19 |
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From Angela:
A sphere is made of 112 hexagons. Each side measures 10 cm. The width of the border between each hexagon is 5 cm. What is the radius of the sphere?
Answered by Chris Fisher and Walter Whiteley. |
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What is the square of 20? |
2008-10-19 |
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From john:
what is the square of 20?
Answered by Penny Nom. |
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A canal with cross section a semicircle |
2008-10-19 |
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From Connor:
a canal with cross section a semicircle is 10m deep at the centre.
Find an equation for the semicircle and use it to find the depth 4m
from the edge
Answered by Penny Nom. |
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Prime factorization |
2008-10-19 |
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From nick:
while im doing prime factorization for one number and it cant be divided 2,3 or five so what next?
Answered by Penny Nom. |
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A falling block |
2008-10-18 |
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From KOBINA:
A 50 kg block being held at rest 20m above the ground is released. the block falls (no friction). how fast is the block traveling (in m/sec) when it has lost 40% of its original potential energy.
Answered by Stephen La Rocque. |
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The slope of a tangent line |
2008-10-18 |
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From Amanda:
If f(x)=square root of (x+4), and the slope of the tangent line at x=21 was 1/n for some integer n, then what would you expect n to be?
Answered by Stephen La Rocque. |
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A ratio problem with cookies |
2008-10-18 |
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From nadha:
SAMANDHA,AMANDHA AND NICOLE sold some cookies in the ratio 3:4:7
how many more cookies did AMANDA and NICOLE sell than SAMANTHA if NICOLE had sold 91 cookies?
Answered by Penny Nom. |
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Travelling home o the train |
2008-10-18 |
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From nadha:
MELISSA reached the railway station at 9.30am.The distance between the railway station and her hometown was 720 km.At what time would she reach her hometown if the train travelled at an average speed of 120 km/h?
Answered by Penny Nom. |
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If you are driving 40mph, how long does it take to go 2.5 miles? |
2008-10-18 |
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From Nathan:
If you are driving 40mph, how long does it take to go 2.5 miles?
Answered by Penny Nom. |
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Two equations in two unknowns |
2008-10-17 |
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From Dushayne:
Please help me in solving this problem:
a. 3x-4y=32
5x+2y=10
b. 2x+3y=11
4x+3y=10
Answered by Penny Nom. |
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A geometric construction |
2008-10-17 |
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From M:
Given any 3 parallel lines on a plane, how to construct an equilateral triangle with each vertex on each line?
Answered by Chris Fisher. |
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