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AveGali [126]
3 years ago
15

What is the answer to 2y-4x=-18 ?

Mathematics
1 answer:
Ganezh [65]3 years ago
7 0

Answer: y=-2x-9

Step-by-step explanation:

Add 4x to both sides because the slope (-2x) needs to be on the same side as the y-intercept (-9). Then divide everything by 2 to get your answer because you want to get y by itself, since there is two of them. 2y-4x=-18 becomes y=-2x-9.

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2.1 x 10^5 +4.3 x 10^4
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Answer:

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Step-by-step explanation:

  1. 10^{5} = 100000  
  2. 10^{4} = 10000  
  3. Plug the above answers in: 2.1 × 100,000 + 4.3 × 10,000
  4. 2.1 × 100,000 = 210,000
  5. Plug 210,000 in: 210,000 + 4.3 × 10,000
  6. 4.3 × 10,000 = 43,000
  7. Plug 43,000 in: 210,000 + 43,000
  8. 210,000 + 43,000 = 253,000

I hope this helps!

4 0
3 years ago
I need help With Math Exponents (click for picture )
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Answer

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3 years ago
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3 years ago
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Step-by-step explanation:

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    -16 -16

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