The answer written in the box is not correct. if you know this trigonometry/pythagoras question

18.55

Step-by-step explanation:

Step One

Find AC

Formula

a^2 + b^2 = c^2

Givens

Solution

Step Two

Find FC

Givens

Formula

Tan(30) = FC/50

Solution

FC = 50 * tan(30)

FC = 28.87

Step Three

Find <FAC

FC = 28.87

AC = 86.02

Tan(<FAC) = FC / AC

Tan(<FAC) = 28.87/86.02

Tan(<FAC) = 0.33558

<FAC = Tan-1(0.33558)

<FAC = 18.55 which is just about what you got.

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

happy to

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your answer is the frist one

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