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Kruka [31]
4 years ago
11

What is 57.42 + 4 + 1.02? Pls help and I need a small simple explanation...

Mathematics
2 answers:
vova2212 [387]4 years ago
6 0

Answer:

62.44

Step-by-step explanation:

Line up the decimals and then add them up like usual, and then place the decimal where it should go. THen you get your answer.

Hope this helped!

siniylev [52]4 years ago
3 0

Answer:

62.44

Step-by-step explanation:

line the decimals up

57.42

<u>+1.02</u>

58.44

now add 4

58.44

<u>+4.00</u>

62.44

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Answer:

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Step-by-step explanation:

In order to find x with the equation -13 + x = -25, we can play with the equation until we have x isolated on one side of the equation.

Add 13 to both sides:

-13 + x + 13 = -25 + 13\\\\-13 + 13 = 0, -25 + 13 = -12\\\\x = -12

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<h2><em><u>Solution</u></em> : </h2>

let the last number be x

we know,

\boxed{mean =  \frac{sum \:  \: of \:  \: all \:  \: observations}{number \:  \: of \:  \: observations} }

So,

\hookrightarrow \: 8 =  \dfrac{22 + x}{4}

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therefore, the last number is 10.

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Answer: 9.45

Step-by-step explanation:

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Step-by-step explanation:

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