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cluponka [151]
3 years ago
9

30 = -5(6x+6) solve for x

Mathematics
2 answers:
I am Lyosha [343]3 years ago
4 0

Answer:

x is -2

Step-by-step explanation:

1. write your problem out on a scratch piece of paper

2. distribute your -5 to 6x and that gives you -30x

3. distribute your -5 to your 6 which gives you -30

4. now write down the problem again so that you have 30= -30x - 30

5. add 30 to your 30 on the left of the equals and to the -30 on the right of it

6. now you should have 60 = -30x

7. divide everything by -30

8. finally you should get -2 = x

9. very last flip it so that the x is on the left of the equals sign

Romashka-Z-Leto [24]3 years ago
3 0

Answer:

65

Step-by-step explanation:

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DedPeter [7]

Supplementary angles are angles that add up to 180 degrees.

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Combine like terms.

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2 years ago
Americans who are 65 years of age or older make up 12.9% of the total population. If there at 30.3 million american in this age
telo118 [61]

Total population of US is 234.88 million.

Step-by-step explanation:

Given,

Number of people are 65 or older = 30.3 million

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\frac{12.9}{100}x=30.3\ million\\0.129x=30.3\ million

Dividing both sides by 0.129x

\frac{0.129x}{0.129}=\frac{30.3}{0.129}\ million\\\\x=234.88\ million

Total population of US is 234.88 million.

Keywords: percentage, division

Learn more about percentage at:

  • brainly.com/question/12148432
  • brainly.com/question/12223460

#LearnwithBrainly

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