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Schach [20]
3 years ago
10

Find the value of x in the equation 2(x – 3) + 5x = 5(2x + 6).

Mathematics
2 answers:
NISA [10]3 years ago
6 0

D is the answer.

First distribute the numbers and combine like terms.

7x - 6 = 10x + 30

Then subtract 7x from both sides.

-6 = 3x + 30

Subtract 30 on both sides.

-36 = 3x

Then divide by 3 on both sides

-12 = x

Hope this helps!
bija089 [108]3 years ago
4 0
The answer is D.-12 hope this helps.
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1.1 solve for x, where 0°< x 90°. write your answer to one decimal place. 1.1.1 tanx=sin38° 1.1.2cosec( x+10°)=1.345​
snow_lady [41]

The value of x in tan(x)=sin38° is 31.6 and the value of x in cosec(x+10°)=1.345​ is 38.0

<h3>How to solve the trigonometry ratios?</h3>

The equations are given as:

tan(x)=sin38°

cosec( x+10°)=1.345​

In tan(x)=sin38°, we have:

tan(x)=0.6157

Take the arc tan of both sides

x = 31.6

Also, we have:

cosec(x+10°)=1.345​

Take the inverse of both sides

sin(x+10°) = 0.7434

Take the arc sin of both sides

x+10 = 48.0

Subtract 10 from both sides

x = 38.0

Hence, the value of x in tan(x)=sin38° is 31.6 and the value of x in cosec(x+10°)=1.345​ is 38.0

Read more about trigonometry ratios at:

brainly.com/question/11967894

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Step-by-step explanation:

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