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Yuliya22 [10]
3 years ago
5

If 39 is 10% of a number, what is that number? How did you find your answer?

Mathematics
2 answers:
givi [52]3 years ago
7 0

Answer:

The numeber is

390

Step-by-step explanation:

10\% = 39 \\ 1\% \:  \:  \:  = \frac{39}{10}   = 3.9 \\ so \\ 100\% = 3.9 \times 100 \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:    = 390

atroni [7]3 years ago
3 0

Step-by-step explanation:

Let the no. be x

10\% \: of \: x =  39

\frac{10}{100} x = 39

\frac{1}{10} x = 39

x = 39 \times 10 = 390

Therefore , the no. is 390

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4 years ago
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alekssr [168]

Using scientific notation, the correct statement is given by:

C. Corporation C owns the most land. Corporation A owns 8 times more land than corporation B.

<h3>What is scientific notation?</h3>

A number in scientific notation is given by:

a \times 10^b

With the base being a \in [1, 10).

Considering the amounts in scientific notation, the standard amounts in acres of each corporation are given as follows:

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Hence corporation C owns the most land. 320,000/40,000 = 8, hence Corporation A owns 8 times more land than corporation B, and statement C is correct.

More can be learned about scientific notation at brainly.com/question/16394306

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3. Evaluate a + b for a = -46 and b= 34.<br> A:-12<br> B:80<br> C:-80<br> D:12
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Answer:

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