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2 years ago

Find the measure of each side indicated. Round to the nearest tenth.

Mathematics

2 answers:

Vinil7 [7]2 years ago

8 0

Answer:

Step-by-step explanation:

to find x we can use tangent function

tan 31= x/9

0.60=x/9

x=0.60*9=5.4 choice B

goldfiish [28.3K]2 years ago

5 0

Your answer is the letter B.

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If y varies inversely as x and y= 2/5 when x= 2, find y when x= 1

Alik [6]

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Step-by-step explanation:

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$\therefore \: y = \frac{k}{x} \\ (k = constant \: of \: proportionality) \\ \therefore \: xy = k...(1) \\ plug \: y = \frac{2}{5} \: and \: x = 2 \: in \: (1) \\ 2\times \frac{2}{5} = k \\ \implies \: k = \frac{4}{5} \\ substituting \: k= \frac{4}{5} \: in \: (1) \\ xy = \frac{4}{5} ..(2) \\ this \: i s \: the \: equation \: of \: variation \\ plug \: x = 1 \: in \: (2) \\ 1 \times y = \frac{4}{5} \\ \huge \red{ \boxed{y = \frac{4}{5} }}$

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3 years ago

Find the measure of each side indicated. Round to the nearest tenth.​

Find the measure of each side indicated. Round to the nearest tenth.