3 years ago

Find two numbers whose ratio is 3:7 and whose sum is 150

1 answer:

6 0

$3x-first\ number\\7x-second\ number\\\\3x+7x=150\\10x=150\ \ \ \ \ |:10\\x=15\\\\3\cdot15=45\\7\cdot15=105\\\\Searched\ number\ are\ 45\ and\ 105$

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Answer:

254.5 cm²

Step-by-step explanation:

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VMariaS [17]

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Step-by-step explanation:

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Alexandra [31]

Answer:

A=30 B=60......…...............

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Temka [501]

Answer: g(x) decreases by 7

Step-by-step explanation:

Simple algebra and substitution of variables for the number can help you to solve the problem,

g(7)=50-2(7)

g(7)=50-14

g(7)=36

I hope this helps

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3 years ago