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AveGali [126]
4 years ago
14

Simplyfy 5x + 7x - 3 + 10x - 5x - 20

Mathematics
1 answer:
lora16 [44]4 years ago
7 0

Answer:

17x - 23

Step-by-step explanation:

5x + 7x - 3 + 10x - 5x -20

5x + 7x + 10x + (-5x) + (-3) + (- 20) **The same, but in a different order**

5x + 7x + 10x + (-5x) = 17x **Combine Like-Terms**

(-3) + (- 20) = -23 **Combine Like-Terms**

<em>Hope I was able to help. Good Luck!</em>

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Machines a and t were both cleaned this week machine a is cleaned every 15 weeks and machine t is cleaned every 12 weeks what is
lapo4ka [179]

Answer:

60 weeks

Step-by-step explanation:

Factor both numbers 12 and 15:

  • 12=2\cdot 2\cdot 3;
  • 15=3\cdot 5.

Find LCM(12,15). The common factor is only 3, multiply ths common factor by all factors that remain. Then

LCM(12,15)=3\cdot 2\cdot 2\cdot 5=60.

This means that the fewest number of weeks that will pass before both machines are cleaned again in the same week is 60 weeks.

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4 years ago
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4 0
3 years ago
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Vika [28.1K]
False bc

8+2=-8+2
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But if it was solve:
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4 years ago
Marco states that 7.696696669 is a rational number because it is a repeating decimal. is he correct
DochEvi [55]

Hello there! And welcome to brainly . com! Your number one asking and answering site.

Answer: No.

Why?

The said decimal is a string of numbers, but does not have the same number repeated over and over again, nor does it have a triple dot after it. Thus, it is not repeating.

Hope this helped you, and have a great day! ♥

7 0
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tigry1 [53]
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Explanation.
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2. x-7=4x9

3. x-7= 36

4. X=36-7

5. X=43
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