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3 years ago

I need no help BUT if you answer this question you will get 100+ points and marked brainliest

2 answers:

6 0

There is a formula $\displaystyle\bf F=\frac{9}{5} C+32$ then $\displaystyle\bf I ) \ \ Wrong \ \ because \\\\ F=\frac{9}{5} (C+1)+32 =\frac{9}{5} C+32+\boxed{\frac{9}{5} }$ since the temperature will rise by 9/5=<u>1,8</u> degress fahrenheit $\displaystyle\bf II)\quad Right$ om the previous questions we found out that the temperature will increase by 1.8 so 2 is an option and the rest are not $\displaystyle\bf Answer: B) \ Only \ \ II$

Dahasolnce [82]3 years ago

6 0

The answer is a and f

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Pat needs to determine the height of a tree before cutting it down to be sure that it will not fall on a nearby fence. the angle

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The height of the tree, which Pat needs to determine, before cutting it down to be sure that it will not fall on a nearby fence is 111 ft.

<h3>What is right angle triangle property?</h3>

In a right angle triangle, the ratio of the opposite side to the base side is equal to the tangent angle between them.

$\tan\theta=\dfrac{b}{a}$

Here, (b) is the opposite side, (a) is the base side.

Pat needs to determine the height of a tree before cutting it down to be sure that it will not fall on a nearby fence.

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The distance between tree and second position is (x+60) ft. Thus, again from the trigonometry,

$\tan 30=\dfrac{h}{x+60}\\h=(x+60)\tan 40$ ......2

Compare the equation 1 and 2,

$x\tan (40)=(x+60)\tan 30\\0.839x=0.577x+34.64\\0.839x-0.577x=34.64\\x=\dfrac{34.64}{0.262}\\x=132.25\rm\; ft$

Put this value in equation 1 as,

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Thus, the height of the tree, which Pat needs to determine, before cutting it down to be sure that it will not fall on a nearby fence is 111 ft.

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Hence, we can see that your question is incomplete because a list of answer choices WAS NOT given, so a general overview was given.

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