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sleet_krkn [62]
3 years ago
14

Evaluate the double integral ∬Ry2x2+y2dA, where R is the region that lies between the circles x2+y2=16 and x2+y2=121, by changin

g to polar coordinates.

Mathematics
1 answer:
olga2289 [7]3 years ago
8 0

Answer:

See answer and graph below

Step-by-step explanation:

∬Ry2x2+y2dA

=∫Ry.2x.2+y.2dA

=A(2y+4Ryx)+c

=∫Ry.2x.2+y.2dA

Integral of a constant ∫pdx=px

=(2x+2.2Ryx)A

=A(2y+4Ryx)

=A(2y+4Ryx)+c

The graph of y=A(2y+4Ryx)+c assuming A=1 and c=2

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Step-by-step explanation:

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A cube has a volume of 343 cubic cm. What is the area of the base
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Answer:

49 cm²

Step-by-step explanation:

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6 0
3 years ago
What is the median of this data set? {29, 22, 23, 31, 29, 29, 22, 23} Enter your answer in the box.
GaryK [48]

Answer:

The median is 26

Step-by-step explanation:

A "median" is equivalent to, when the terms are arranged in the proper order, whichever term is in the "middle".

So- first, arrange the terms in ascending order.

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There are an even number- eight- terms in total, so we will take the average of the two "middle" terms.

(29+23)/2; 29 and 23 are the "middle" terms, and there are two of them.

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I hope this helped! :)

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2 years ago
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Answer:

D

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6 0
3 years ago
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