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AJSkullcrusher
31.01.2020 •
Mathematics
The volume of a cube with edge length e is modeled by the function v(e)=e3. find a function for the edge of a cube given its volume.
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Ответ:
For any value of e, (the edge length), just cube it to get the volume. Easy
V(-2) = -8
V(-1) = -1
V(0) = 0
V(1) = 1
V(2) = 8
V(3) would be 27...etc
It doesn't make sense to use a negative or zero value for e (since you can't have a length like that), so technically there should be a restriction of e > 0.
To find the edge length given the volume, we would just solve for e.
V = e³
Take the cube root of each side...
∛V = ∛e³
∛V = e
Write as e(V) = ∛V.
Ответ:
L^2+W^2=d^2
Step-by-step explanation:
7^2+5^2=d^2
49+25=d^2
d^2=74
d=root of 74
d=8.6
Step-by-step explanation: