Spongebone4571
05.02.2021 •
Mathematics
The volume of gas a balloon can hold varies directly as the cube of its radius. Imagine a balloon with a radius of 4 inches can hold 192 cubic inches of gas. How many cubic inches of gas must be released to reduce the radius down to 3 inches?
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Ответ:
111
Step-by-step explanation:
Ответ:
Step-by-step explanation:
See attachment for complete question.
From the attachment:
Solving (a) The value of x
From the attachment:
So:
Collect Like Terms
Make x the subject
Solving (b): The value of y
So, we have:
Collect Like Terms
Make y the subject
Solving (c): The value of PQ
Substitute 12 for y
Solving (d): The value of QR
Solving (e): The value of PS
Substitute 7 for x
Solving (f): The value of PT
Substitute 7 for x and 12 for y
Solving (g): The value of PR
Because QT bisects PR,
So: