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3 years ago

Solve for v. 4v = -7 + 3v

Mathematics

2 answers:

goblinko [34]3 years ago

5 0

Look at the attached picture.

Hope it will be helpful to you...

Good luck for your test...

(. ❛ ᴗ ❛.)

ser-zykov [4K]3 years ago

5 0

4v=(-7)+3v.

4v=−7+3v

Step 1: Simplify both sides of the equation.

4v=3v−7

Step 2: Subtract 3v from both sides.

4v−3v=3v−7−3v

v=−7

I hope this helps!

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Read 2 more answers

An airplane must clear a 60-foot pole at the end of a runway 500 yards long determine the angle of elevation at which the airpla

Marat540 [252]

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2.3 degrees.

Step-by-step explanation:

Please find the attachment.

We are told that an airplane must clear a 60-foot pole at the end of a runway 500 yards long.

Let us convert 500 yards to feet.

1 yard= 3 feet.

500 yards= 3*500 feet= 1500 feet.

We can see from our attachment pole and runway are in form of a right triangle. The pole is opposite to angle of elevation of plane and length of runway is adjacent.

Since tangent represents the relation between opposite and adjacent of right triangle, So we will use tangent to find angle of elevation that plane must ascend to clear the pole.

$tan(\theta)=\frac{60}{1500}$

$\theta=\tan^{-1}(\frac{60}{1500} )$

$\theta=\tan^{-1}(0.04)$

$\theta=2.290610042639$

Therefore, the airplane must ascend 2.3 degrees to clear the pole.

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