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rusak2 [61]
3 years ago
13

Solve for n n+3=8 Solve for y -34=2y

Mathematics
1 answer:
vaieri [72.5K]3 years ago
4 0

Answer:

1. n=5 2. 0.5

Step-by-step explanation:

1. n+3= 8

  -3= -3

n= 5

2. -34=2y

  ÷- 34

2y= 1

2y/2= 1/2

y= 0.5

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Can someone explain how to do #3?
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\displaysyle (\sqrt 2)^{3}=(2^{\frac{1}{2}})^3=2^{\frac{1}{2} \cdot 3}=2^{\frac{3}{2}}=\sqrt {2^3}=\sqrt 8

√8 is between 2 and 3, because 2²=4<8, but 3²=9>8. Also, our value is closer to 3 than to 2, so it is more than 2.5 and we have C and D options left.

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