perezsamantha3oqr0za
04.08.2019 •
Mathematics
4min answer asap evaluate -3x^3 - 4x for x = -1. a) 1 b) 7 c) -1
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Ответ:
x = -1
-3(-1)^3 - 4(-1)
(-1)^3 = (-1) x (-1) x (-1) = -1
-3 x -1 = 3
-4 x -1 = 4
3 - 4 = -1
-1 is your answer
hope this helps
Ответ:
6in
Step-by-step explanation:
The volume of a spherical balloon is 4/3 π R^3.
So 288π = 4/3 π R^3
The factors of π cancel out. Divide both sides by 4/3 to get:
216 cubic inches = R^3
Take the cube root of both sides, and you find that R = 6 inches