3 years ago

Are these scalene triangles similar?

Mathematics

1 answer:

AnnZ [28]3 years ago

8 0

Yes! pretty sure they are

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What is the equivalent fraction of y+2/5 y

mars1129 [50]

Q.what is the equivalent fraction of y+2/5 y

A.7y/5

Hope this helps:)

7 0

3 years ago

Log base 2 power (5x+7) =5

Vsevolod [243]

If we go back to the defenition of logs, we can find this solution quickly.

What you're saying when you say ㏒₂(5x+7) = 5 is that

2⁵ = 5x+7

32 = 5x+7

25 = 5x

x = 5

4 0

4 years ago

The distance between the library and town hall is 735 ft the actual distance is 612 ft what is the percent error. Round your ans

tatyana61 [14]

well, we know the actual distance is 612, however the estimate is 735, is off by 735 - 612 = 123.

now if we take 612 to be the 100%, what is 123 off of it in percentage?

$\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 612&100\\ 123&x \end{array}\implies \cfrac{612}{123}=\cfrac{100}{x}\implies \cfrac{204}{41}=\cfrac{100}{x}\implies 204x=4100 \\\\\\ x = \cfrac{4100}{204}\implies x = \cfrac{1025}{51}\implies x \approx 20.098$