tyreque
14.02.2021 •
Mathematics
Solve the problem. Check answers to be sure they are reasonable. A 10-gal aquarium is 4 in. higher than it is wide. Its length is 17 in., and its volume is 4284 in.^3. What are the height and width of the aquarium?
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Ответ:
-- Width
--- Height
Step-by-step explanation:
Given
-- Volume
-- Length
-- Height
-- Width
Required:
Find the height and the width
Volume is calculated as:
This gives:
Open bracket
Divide through by 17
Write as a quadratic expression
Expand
Factorize:
Factor out H + 18
or
or
But Height can not be negative. So:
Recall that:
Ответ:
v≈1140.4 would be your answer