To do this, we have to multiply the 7 feet diameter by pi to get the circumference because the formula for circumference is 
, or circumference = pi times diameter. 7 x 3.14 (pi rounded) = 21.98
Answer: 21.98 feet
Answer: 21.98 feet
The length of a rectangle is 1ft less than 3 times the width. The area is 310ft. Find The Dimensions
1 answer:
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Answer:
3)The example equation becomes "x + 10 - 15x = 20," which is then "-14 x + 10 = 20." Subtract 10 from each side, divide by 14 and you have end up with x = -10/14, which simplifies to x = -5/7. Plug in the x value in to the first equation to find out the y value. y = 2 - 3(-5/7) becomes 2 + 15/7, which is 29/7.