The volume of water in a resevoir decreases 21,000 cubic yards over a 3-month period. What is the average change in volume per m
2 answers:
Answer:
7000 cubic yards
Step-by-step explanation:
Given :The volume of water in a reservoir decreases 21,000 cubic yards over a 3-month period.
To Find:What is the average change in volume per month?
Solution:
Since we are given that The volumes of water decreases by amount in 3 months = 21000 cubic yards
So, the volume decreased per month =
=
Thus the volume decreased per month is 7000 cubic yards .
Hence the average change in volume per month is 7000 cubic yards
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Hi there!
To solve, we can use right triangle trig.
We are given the value of ∠A, and side "x" is its adjacent side. We are also given its opposite side, so:
tan (A) = O / A
tan (33) = 25 / x
Solve:
x · tan(33) = 25
x = 38.49 ≈ 38.5