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photoshop1234 [79]
3 years ago
11

Are anybody good at Math that could help me with all these answers and get them right and show your work and If you do it you ge

t 27 points.
Mathematics
1 answer:
zepelin [54]3 years ago
3 0
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Calculate the second moment of area of a 4-in-diameter shaft about the x-x and yy axes, as shown.
Keith_Richards [23]
Second moment of area about an axis along any diameter in the plane of the cross section (i.e. x-x, y-y) is each equal to (1/4)pi r^4.
The second moment of area about the zz-axis (along the axis of the cylinder) is the sum of the two, namely (1/2)pi r^4.

The derivation is by integration of the following:
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3 years ago
B/11-6b/11=10/11 solve for b asap
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I hope this helps you

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Check the attachment for answer.

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4 years ago
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If the ration of bananas to apples was 9 to 15. If there were twelve bananas, how many total pieces of fruits was there
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Step-by-step explanation:

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A circle is inscribed in a square with a side length of 144. If a point in the square is chosen at random, what is the probabili
____ [38]

Given :

A circle is inscribed in a square with a side length of 144.

So, radius of circle, r = 144/2 = 72 units.

To Find :

The probability that the point is inside the circle.

Solution :

Area of circle,

A_c = \pi r^2\\\\A_c = 3.14 \times 72^2\ units^2\\\\A_c = 16277.76 \ units^2

Area of square,

A_s = (2r)^2\\\\A_s = ( 2 \times 72)^2\ units^2\\\\A_s = 20736\ units^2

Now, probability is given by :

P = \dfrac{A_c}{A_s}\\\\P = \dfrac{16277.76}{20736}\\\\P = 0.785

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4 0
3 years ago
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