3 years ago

Answer you get 5 points plus brainly ( I know if its wrong)

Mathematics

1 answer:

Inga [223]3 years ago

4 0

Answer: its D.

Step-by-step explanation:

I coumted up all the numbers higher than 10. (There are 19) then I counted up all the numbers (6×6) is 36. And thats how i got the answer of 19/36.

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3 years ago

A spherical tank holds about 7,234.56 cubic meters of air.

Inessa [10]

Answer:

The radius of the spherical tank is 12 meters

Step-by-step explanation:

In this question, we are tasked with calculating the radius of the spherical tank given the volume of air it can hold

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3 years ago

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3 years ago

Evaluate the given integral by changing to polar coordinates. sin(x2 + y2) dA R , where R is the region in the first quadrant be

koban [17]

Set

$\begin{cases}x=r\cos\theta\\y=r\sin\theta\end{cases}\implies\mathrm dA=r\,\mathrm dr\,\mathrm d\theta$

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So we have

$\displaystyle\iint_R\sin(x^2+y^2)\,\mathrm dA=\int_0^{\pi/2}\int_2^3r\sin(r^2)\,\mathrm dr\,\mathrm d\theta=\boxed{\frac\pi4(\cos4-\cos9)}$

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