Mathematics
Mathematics, 17.07.2019 03:00, Nae0523

Find the circumference if the diameter is 39in

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Mathematics, 23.06.2019 10:30, tanashaw16
Which explanation can be used to derive the formula for the circumference of a circle? find the relationship between the circumference and the diameter by dividing the length of the circumference and length of the diameter. use this quotient to set up an equation to showing the ratio of the circumference over the diameter equals to π . then rearrange the equation to solve for the circumference. substitute 2 times the radius for the diameter. find the length of the diameter. square this length and write a ratio for the square of the diameter to the radius. set the ratio equal to the circumference. find the length of the radius and the length of the diameter. then, write a ratio comparing the length of the radius to the diameter. multiply the ratio by π and set it equal to the circumference. find the length of the diameter. square this length and write a ratio for the square of the diameter to the radius. set the ratio equal to the circumference. find the relationship between the area and the radius. then set up an equation showing the ratio of the area to the radius. substitute the area for 3 times the circumference. finally, rearrange the equation to solve for the circumference.
Answers: 3
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Mathematics, 23.06.2019 10:30, ramireznaidelyn
Which explanation can be used to derive the formula for the circumference of a circle? find the relationship between the circumference and the diameter by dividing the length of the circumference and length of the diameter. use this quotient to set up an equation to showing the ratio of the circumference over the diameter equals to π . then rearrange the equation to solve for the circumference. substitute 2 times the radius for the diameter. find the length of the radius and the length of the diameter. then, write a ratio comparing the length of the radius to the diameter. multiply the ratio by π and set it equal to the circumference. find the length of the diameter. square this length and write a ratio for the square of the diameter to the radius. set the ratio equal to the circumference. find the length of the diameter. square this length and write a ratio for the square of the diameter to the radius. set the ratio equal to the circumference. find the relationship between the area and the radius. then set up an equation showing the ratio of the area to the radius. substitute the area for 3 times the circumference. finally, rearrange the equation to solve for the circumference.
Answers: 1
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Mathematics, 28.06.2019 12:10, ella3714
Eugene knows the circumference of a circle is 125.6 meters. does he have enough information to find the area? yes, because he could divide by 3.14 to find the diameter and then divide that result by 2 to find the radius. once he has the radius, he can use the formula. yes, because the area will just be twice the circumference so all he has to do is multiply by 2. no, because the circumference equals c=diameter and there is no pi in 125.6. no, because the circumference equals c=diameter so he could only find the diameter. he needs the radius for the area formula.
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Mathematics, 15.07.2019 11:30, Naysa150724
Find the circumference of the circle 39in in terms of pi.
Answers: 2
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