Asked by thomas
If r = square root 3V/pi*h , by what number must we multiply V in order to multiply r by 9 ?
a. 3
b. 9/2
c. 9
d. 18
e. 81
please answer and explain
a. 3
b. 9/2
c. 9
d. 18
e. 81
please answer and explain
Answers
Answered by
Damon
r^2 = k V
k = r^2/V
if you multiply r by 9, then V by 81
k = (9r)^2/81V = r^2/V
so e
k = r^2/V
if you multiply r by 9, then V by 81
k = (9r)^2/81V = r^2/V
so e
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