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3 years ago

7

Jakes family was on vacation for two weeks and five days. Seth's family was on vacation for three weeks and two days. How many f

ewer days was jake on vacation than seth

1 answer:

fiasKO [112]3 years ago

3 0

The answer to this question is 7 days = a week

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Answer:

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Step-by-step explanation:

Height of pole , h=15 ft

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Let BD=x

BE=y

DE=BE-BD=y-x

All right triangles are similar

When two triangles are similar then the ratio of their corresponding sides are equal.

Therefore,

$\frac{AB}{CD}=\frac{BE}{DE}$

$\frac{15}{6}=\frac{y}{y-x}$

$\frac{5}{2}=\frac{y}{y-x}$

$5y-5x=2y$

$5y-2y=5x$

$3y=5x$

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We have dx/dt=5ft/s

Using the value

$\frac{dy}{dt}=\frac{5}{3}(5)=\frac{25}{3}ft/s$

Hence, the tip of his shadow moving with a speed 25/3 ft/s when he is 45 feet from the pole.

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Step-by-step explanation:

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