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7. If y varies directly w³, and y = 25 when w = 5, find the value of y when w = 2. |
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Answer» Answer: 8/5 Step-by-step explanation: If y varies DIRECTLY w³, and y = 25 when W = 5, find the value of y when w = 2. Given:
When w=5
As the value of k is KNOWN, we have new equation:
For w=2 we have
Answer: 8/5 |
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