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Novay_Z [31]
3 years ago
13

How do I solve ratio and rate problems using equivalent ratios or cross products?

Mathematics
1 answer:
sdas [7]3 years ago
7 0
You have to simplify diagonally them multiply Example:

3
5. 18. 15
__. / ___ =. ___ =
6. 2. 12
1

3/4

Cross simplify
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Given the following system of equations: −x + y = 2 2x + 4y = 32 What action was completed to create this new equivalent system
tiny-mole [99]

Answer:

you just need to devide by 2 the second equation

Step-by-step explanation:

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  • 2x + 4y =32 => 2x/2 +4y/2 = 32/2

=> x + 2y =16

we can devide or multiply in an equation by any number we want, as long as we do it to every term.

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How do I do this? I need it in perimeter to 2 decimal places. Thank you!
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30+25+25=80

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94.2/2=47.1

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