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vlabodo [156]
2 years ago
14

P = 2L + 2W, solve for L

Mathematics
1 answer:
Paha777 [63]2 years ago
3 0

Answer:

L = -W + P/2

Step-by-step explanation:

2L + 2W = P (subtract 2W)

2L = -2W + P (divide by 2)

L = -W + P/2

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Answer:

\frac{dh}{dt}=\frac{30r}{\sqrt{d^{2}+900}}

Step-by-step explanation:

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Let x be the distance of automobile from the point of intersection and distance between the automobile and farmhouse is 'h' miles.

Then by Pythagoras theorem,

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When automobile is 30 miles past the intersection,

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Since h=\sqrt{d^{2}+(30)^{2}}

Therefore,

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