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Arte-miy333 [17]
2 years ago
11

A Ferris wheel has a radius of 80 feet. Two particular cars are located such that the central angle between them is 165º. To the

nearest tenth, what is the length of the intercepted arc between those two cars on the Ferris wheel?
Mathematics
1 answer:
Alex2 years ago
7 0

Answer: 230.4 feet

Step-by-step explanation:

arc length = circumfrance x fraction of a circle

                 = 2\pi r x \frac{165}{360}

                 = \frac{2*\pi *80*165  }{360}

                 = 230.4 feet to nearest tenth

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Write the converse of the statement If two angles are supplementary and congruent, then they are right angles.
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\huge \underline \mathtt \colorbox{cyan}{Converse of R.A. Prop.}

<u>Given</u><u> </u><u>2</u><u> </u><u>right</u><u> </u><u>angles</u><u>,</u><u> </u><u>are</u><u> </u><u>always</u><u> </u><u>supplementary</u><u> </u><u>and</u><u> </u><u>congruent</u>

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3 years ago
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Suppose that f(x,y) is a smooth function and that its partial derivatives have the values, fx(−7,−2)=−1 and fy(−7,−2)=3. Given t
yarga [219]

Answer:

f(-6,-1) =0

Step-by-step explanation:

We are given the following in the question:

f_x(-7,-2)=-1\\f_y(-7,-2)=3\\f(-7,-2)=-2

We have to estimate the value of f(-6,-1)

By Taylor approximation we have:

f(x,y) =f(-7,-2)+ f_x(-7,-2)(x+7) + f_y(-7,-2)(y+2)\\f(x,y) = -2 + (-1)(x+7) + 3(y+2)\\f(x,y) = -2-x-7+3y+6\\f(x,y) = -x+3y-3

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I need help with this question​
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Answer:

2

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The scale factor is 2

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