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r-ruslan [8.4K]
2 years ago
6

I need some help please help meeee!

Mathematics
2 answers:
Reil [10]2 years ago
7 0

Answer:

1. A

2. C

3. B

4. B

Step-by-step explanation:

1. Subtract 4.2 on both sides of the equation so you're left with y = -0.8

2. Add 1.9 on both sides of the equation so you are left with m = 4.

3. Distribute 1/5 into (3+2z) to get 3/5 + 2/5z - 4z = -3. Combine like terms so you have 3/5 - 3 3/5z = -3. Subtract 3/5 on both sides to get -3 3/5z = -3 3/5. Divide by -3 3/5 on both sides to get z = -1.

4. Distribute 4 into (2+ t) to get 1/2t -8 -4t = 20. Combine like terms to get -3 1/2t - 8 = 20. Add 8 on both sides to get -3 1/2t = 28. Divide -3 1/2 on both sides to get t = -8.

nevsk [136]2 years ago
4 0

Answer:

1=a

2=c

3=b

4=a

Step-by-step explanation:

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Answer: The approximate percent increase is 121.42857%. This is a rounded value. To get this, first you would need to find out which increased and in what direction. Of course, the 70 turned into an 85. So you can divide 85 by 70 and receive a number. Then in whatever form you found it, decimal, fraction, or even percent straight away, ensure the value is a percentage.

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