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Nata [24]
4 years ago
8

Ariel incorrectly says that 2 and 5/8 is the same as 2.58. a. Convert 2 and 5/8 to a decimal. B. What was Ariel’s likely error?

Mathematics
2 answers:
Mumz [18]4 years ago
7 0

2 and 5/8 as a decimal is 2.4

Ariel's likely error was that she assumed that 5/8 and .58 are the same.

shtirl [24]4 years ago
4 0

Answer:

a.2.625

b.Ariel takes the value of \frac{5}{8}=0.58 .It is error of Ariel.

Step-by-step explanation:

We are given that Ariel incorrectly  says values of 2\frac{5}{8} and 2,58 are same.

We have to convert 2\frac{5}{8} into a decimal and we have to find the Ariel's error.

2\frac{5}{8}=2+\frac{5}{8}

2\frac{5}{8}=2+0.625=2.625

The value of  2\frac{5}{8} =2.625 not 2.58

Ariel consider that value of \frac{5}{8}=0.58 but actually value of \frac{5}{8}=0.625.

Hence,  Ariel takes value of \frac{5}{8}=0.58 in place of 0.625.

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  see attached

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No doubt you have examples showing the wording that is expected to be used here. We have made a guess.

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_____

<em>Additional comment</em>

The order of operations tells you to simplify inside parentheses first. Doing that reduces the work somewhat.

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Hey there!

The answer to your question is 4x^2+2x-2

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Have a terrificly amazing day!

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