9 - c = -13
-c = -13 - 9
-c = - 22
c = 22 <===
Answer:
F is reduced by 31%
Step-by-step explanation:
F = 1/(d²)
now, we increase the distance by 20% (multiply by 1.2).
F new = 1/(1.2×d)² = 1/(1.44×d²) = (1/1.44) × (1/(d²)) =
= 1/1.44 × old F = 0.69 × old F
100 - 69 = 31%
Answer:288pi
Step-by-step explanation:4/3pir^3 6^3*4/3*pi 216*4/3*pi 288pi
To the nearest inch it'll be
d×3.14=63
= 20 inches