38 Answered Questions for the topic Pi

Pi

03/30/16

A circle has a diameter of 40 inches. What is the circumference? Write your answer using pi
I know the answer is 125.6, but I don't have an idea of how to write it using pi.
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Pi

03/30/16

What is the circumference with the radius 3? Write your answer using pi.
I know that the circumference is 125.6, but how do I write it using pi?
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Pi

03/16/16

Jeanette has a circular tablecloth with a diameter of 6 feet. She wants to train the tablecloth with fringe. How many feet of fringe will she need?
U are supposed to use pi (3.14) but idk how to do it.
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03/10/16

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... more
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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... more
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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... more
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01/04/15

solve the equation on the interval 0 = ? 2p
2sin2θ=sinθ
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Pi

01/04/15

what is pi?
I don't understand pi. Please send me the answer soon.
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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
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04/22/13

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... more
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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:... more
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Pi

03/26/13

What is the square rote of pi
Square route of pie
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01/28/13

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... more
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