35 Answered Questions for the topic Pi

#### Pi Problem

An odometer determines the distance a car has traveled by counting the number of revolutions the tires has made. It calculates the distance traveled by multiplying the number of revolutions by the...
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01/22/16

#### Billy likes to go cycling

His bike has wheels of diameter 85cm.
He has invented a counter for his bike,
which counts the number of revolutions
the wheels make.
One day the counter shows 150 revolutions.
How...
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08/19/15

#### how may 15sq ft covering cans of spray paint will be needed to cover a 28"high by 22 diameter trash can

I have spray paint cans that say they'll cover 15 sq ft of plastic. I have a cylindrical trash can. This can only needs the upright outside portion of the surface area painted. how many cans of...
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10/21/14

#### Solve for x.

sqr(3)(sin(x))+(cos(x))=2
How do i get an answer of x = π/3 +2kπ, k=0,±1,±2,±3...(i.e.,...,-5π/3,π/3,7π/3,...)
The π is pi

#### How to practice math before the crct

Hi . I was just wondering how can I study math before the crct . Its coming up next week and I really need help on a lot of stuff . like algebra (RATIOS) , perimeter and finding the surface area...
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04/13/13

#### Use Stokes' Theorem to evaluate the surface integral?

Use Stokes' Theorem to evaluate the surface integral where F=<zx^2, z(e^xy^2)-x, x*ln (y^2)> and where S is the portion of z=1-x^2-y^2 above the xy-plane with n upward.
Answer:...
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#### Can anyone help me on my Volume Practice Worksheet?

My teache gave us this worksheet with only 4 math problems. We did math problems similar to this in class today but it was not exactly like this. She gave us the base, length, and height and we...
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