27 because 21 +6 equals 27 then 27 take21=6
Answer:
1st sphere has r1 = 6
=> Surface area S1 = 4 x pi x r1^2 = 4 x pi x 6^2 = 144pi
=> Volume V1 = (4/3) x pi x r1^3 = (4/3) x pi x 6^3 =288pi
2nd sphere has r1 = 15
=> Surface area S1 = 4 x pi x r1^2 = 4 x pi x 15^2 = 900pi
=> Volume V1 = (4/3) x pi x r1^3 = (4/3) x pi x 15^3 =4500pi
=> S1/S2 = 144pi/900pi = 0.16
=> V1/V2 = 288pi/4500pi = 0.064
Hope this helps!
:)
Answer:
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Step-by-step explanation:
So first divide the equation on both sides by 3. We get

. Slope-y-intercept form is of the form

. Rearranging

, we get

. Divide by two, we get

, which is of that form.
Graphing: The y intercept is at -2, and the slope is 1/2.