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3 years ago

Write a function rule for the area, A, of a rectangle whose length is 6ft more than its width, w

Mathematics

1 answer:

kow [346]3 years ago

5 0

9514 1404 393

Answer:

A = w(w +6)

Step-by-step explanation:

The length in feet will be w+6. The area is the product of length (w+6) and width (w).

A = w(w+6)

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14.3 years

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adoni [48]

Answer:

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Step-by-step explanation:

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3 years ago

Is -4 a solution for the equation 5x (2-4)=2(5x -4)?

yarga [219]

Answer:

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Step-by-step explanation:

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3 years ago

A man on the deck of a ship is 14 ft above water level. He observes that the angle of elevation of the top of a cliff is 40 degr

topjm [15]

Answer:

The distance of the ship from the cliff is 38.465 feet

The height of the cliff is 46.28 feet.

Step-by-step explanation:

As shown in the figure attached $d$ is the distance from the ship to the cliff, and $h$ is the height of the cliff from the ship.

From trigonometry

$tan(20^o)=\frac{14}{d}$

$d=\frac{14}{tan(20^o)}=38.465\:feet.\\\\\boxed{d=38.465ft}$

This is the distance to the cliff.

And we have

$tan(40^o)=\frac{h}{d}$

since $d=38.465ft$

$h=d*tan(40^o)=38.465*tan(40^o)=32.28ft$

Ad the height of the cliff is just $14+h$ or

$32.28+14=46.28 ft\\\\\boxed{height=46.28ft}$

Which is the height of the cliff.

4 0

4 years ago