2 years ago

Inverse of f(x)=-2x-5/-4x+9

Mathematics

1 answer:

posledela2 years ago

7 0

Answer:

Step-by-step explanation:

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What is the square root of 36x to the fourth power?

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A rectangle has an area of 198 square meters and a width of 9 meters.

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The length of the triangle is 22.

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2 years ago

PLEASEHELP!!!!!!

pantera1 [17]

Using proportions, it is found that the speed of the runners are of 16 mph and of 20 mph.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount.

After 30 minutes, the runners are 2 miles apart, hence the second runner is 4 miles per hour faster than the second, that is:

$v_2 = v_1 + 4$ .

The first runner's speed is 4/5 of the speed of the second runner, hence:

$v_1 = \frac{4}{5}v_2$

$v_1 = \frac{4}{5}(v_1 + 4)$

$\frac{1}{5}v_1 = \frac{16}{5}$

$v_1 = 16$

$v_2 = 16 + 4 = 20$

Hence, the speed of the runners are of 16 mph and of 20 mph.

More can be learned about proportions at brainly.com/question/24863377

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2 years ago

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