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MrMuchimi
3 years ago
10

7. Write the following proportion: 8 is to 64 as 2 is to X

Mathematics
2 answers:
vova2212 [387]3 years ago
8 0
16, because when you divide 64 by 8 you get 8.  After that you multiply 2 by 8 to get 16
Paul [167]3 years ago
4 0
2 is to 4 because 64/8 is 8. 4/2 is 2. 2 x 2 is in proportion to 8 x 8
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Step-by-step explanation:

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2 years ago
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The length of a rectangle is 3 inches more than twice its width, and its area is 65 square inches. What is the width?
tino4ka555 [31]

That makes no sense, what DO you get?

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lbvjy [14]

Answer:

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Step-by-step explanation:

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4 0
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5 0
3 years ago
Solve for this equation. x-2/5=1/5
Studentka2010 [4]

Answer:

3/5   or

0.6

Step-by-step explanation:

You could change these fractions to decimals, but you may not be convinced that the answer you get is the same as just using fractions. I'll start by using fractions.

x - 2/5 = 1/5                        Add 2/5 to both sides

x - 2/5 + 2/5 = 1/5 + 2/5     The left side cancels to 0.

x = 1/5 + 2/5                       The denominators (bottom the fraction) are the same. Just add the tops.

x = (1 + 2)/5

x = 3/5

=======================

If you use your calculator to find 2/5 and 1/5, you can get the same answer as 3/5

2

÷

5

=

0.4

By the same method, 1/5 = 0.2

Substitute into the original equation

x - 0.4 = 0.2                       Add 0.4 to both sides

x - 0.4 +0.4 = 0.2 + 0.4    The left side reduces just to x

x = 0.2 +0.4

x = 0.6

If you let your calculator do the work, like this

3

÷

5              

=

0.6

The answers are the same.

7 0
3 years ago
Read 2 more answers
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