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user100 [1]
2 years ago
15

Select the three equations that have

Mathematics
2 answers:
MakcuM [25]2 years ago
3 0

Answer:y+2.9=11, 2y+1=17.2, 28.4-y=20.3

Step-by-step explanation:

disa [49]2 years ago
3 0

Answer:

Select all of the equations that have y=8.1 as the solution. Mark all that apply.  

y+2.9=11

12-y=8.1

2y+1=17.2

9+7.2-y=8.2

28.4-y=20.3

Step-by-step explanation:

Select all of the equations that have y=8.1 as the solution. Mark all that apply.  

y+2.9=11

12-y=8.1

2y+1=17.2

9+7.2-y=8.2

28.4-y=20.3

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eduard
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Answer:

  ≈ 58

Step-by-step explanation:

Estimation usually means you want an answer good to one or maybe two significant figures. That usually means you want to round the numbers involved to one or two significant figures.

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The degree to which you refine the estimate will depend on the error requirements you have. Certainly an estimate of 60 is within 10% of the true value, so is "close enough" for many purposes.

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