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Natasha2012 [34]

3 years ago

5

Jessie hiked 5 1/2 miles on saturday, 6 3/4 miles on sunday, and 2 1/3 miles on monday. How many miles did jessie hiked altogeth

er?

1 answer:

saul85 [17]3 years ago

8 0

Answer:

Я дурак

Step-by-step explanation:

Я дурак

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Answer:

Answer = Option A;

sinθ = ± $\frac{\sqrt{33} }{7}$

tanθ = ± $\frac{\sqrt{33} }{4}$

Step-by-step explanation:

cosθ = $-\frac{4}{7}$

Remove the negative sign and evaluate cosθ = 4/7

cosθ = adjacent/hypotenuse.

Please see attached image for the right-angle triangle representation.

Let opp = length of opposite side of the triangle.

Let adj = length of adjacent side of the triangle.

Let hyp = length of hypotenuse side of the triangle

Using Pythagoras theorem,

$hyp^{2}= opp^{2} +adj^{2} ;\\\\7^{2}= opp^{2}+ 4^{2};\\ \\opp^{2} =7^{2}- 4^{2} \\\\opp^{2} = 49-16\\\\opp^{2} = 33;$

Take the square root of both sides.

$\sqrt{opp^{2} } =$ ± $\sqrt{33}$

opp = ± $\sqrt{33}$

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tanθ = opposite/adjacent

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