How would you solve this equation?use words only 2+4=8

Mathematics

1 answer:

QveST [7]2 years ago

6 0

Answer:

x=2

Step-by-step explanation:

First, subtract four on both sides and then divide both sides by 2 to get x=2.

2x+4=8

-4 -4

2x=4

÷ 2 ÷2

x=2

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A = 900 $cm^{2}$

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What is m∠C? Round the value to the nearest degree.

Elis [28]

Answer: $m\angle C=53\°$

Step-by-step explanation:

For this exercise you need to use the Inverse Trigonometric function arcsine, which is defined as the inverse function of the sine.

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In this case, you can identify that:

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Then, substituting values into $\alpha =arcsin(\frac{opposite}{hypotenuse})$ and evaluating, you get that the measure of the angle "C" to the nearest degree, is:

$m\angle C=arcsin(\frac{36\ cm}{45\ cm})\\\\m\angle C=53\°$