Mathematics: Which expressions are equivalent when y=2 and y=5? a) 2y-1 and 3y-5+y b) 5y+4 and 7y+4-2y c) y+7 and y+2+y d) 3y-4 and 3y-2+y

Which expressions are equivalent when y=2 and y=5?

Ответ:

makaylahunt

26.05.2020

Mathematics

B)5y+4 and 7y+4-2y

y=2
5(2)+4=14 7(2)+4-2(2)=14

y=5
5(5)+4=29 7(5)+4-2(5)=14

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Ответ:

silveryflight

26.05.2020

Mathematics

the answer is b i believe

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Ответ:

mountainwilson

06.04.2020

Mathematics

To find 85% of 36 we have to transform 85% into fraction and then multiply it by 36.
85% is $\frac{85}{100}$
$\frac{85}{100}*36= \frac{85*36}{100}= \frac{3060}{100} = \frac{153}{5} =30.6$ - its the result

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Which expressions are equivalent when y=2 and y=5? a) 2y-1 and 3y-5+y b) 5y+4 and 7y+4-2y c) y+7 and y+2+y d) 3y-4 and 3y-2+y

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