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r-ruslan [8.4K]
3 years ago
13

If Jeff hikes 1/2 a distance in 1/4 an hour how fast can he walk in 1/2 an hour?​

Mathematics
1 answer:
lakkis [162]3 years ago
3 0

Answer:

2/4? i think....

idrk sry :(

Step-by-step explanation:

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A triangle has two constant sides of length 5 feet and 7 feet. The angle between these two sides is increasing at a rate of 0.9
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Answer:12.74 ft^2/s

Step-by-step explanation:

Given

Two sides of triangle of sides 5 ft and 7 ft

and angle between them is increasing at a rate of 0.9 radians per second

let \thetais the angle between them thus

Area of triangle when two sides and angle between them is given

A=\frac{ab\sin C}{2}

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Differentiate w.r.t time

\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\cos theta }{2}\times \frac{\mathrm{d} \theta }{\mathrm{d} t}

at \theta =\frac{\pi }{5}

\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\times cos(\frac{\pi }{5})}{2}\times 0.9

\frac{\mathrm{d} A}{\mathrm{d} t}=12.74 ft^2/s

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4 years ago
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I think it’s 15x-10y=2
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Step-by-step explanation:

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Step-by-step explanation:

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