3 years ago

1 4/5 cm by 4 2/5 cm

Mathematics

1 answer:

LenaWriter [7]3 years ago

7 0

If it is area you're looking for, the answer is 7.92 cm^2, or ~7 11/12 cm^2.

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kotykmax [81]

Answer:

x>-5

Step-by-step explanation:

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2 years ago

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Kay [80]

Answer:

X = 1

Step-by-step explanation:

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3 years ago

Read 2 more answers

a) find center of mass of a solid of constant density bounded below by the paraboloid z=x^2+y^2 and above by the plane z=4.(b) F

slava [35]

Answer: x-bar = y-bar = 0 whereas z-bar = 8/3

M= (c^2)/8 which is intern equal to 2 $\sqrt{2}$

Step-by-step explanation:

Find the area, by setting the limits as

= $4\cdot \int _0^{\frac{\pi }{2}}\int _0^2\int _{r^2}^4\:rdzdrd\theta$

$=4\cdot \int _0^{\frac{\pi }{2}}\int _0^2r\cdot \:4-r^3drd\theta$

$=4\cdot \int _0^{\frac{\pi }{2}}4d\theta$

$=8\pi$

Therefore;

Mxy= $\int _0^{2\pi }\int _0^2\int _{r^2}^4\:zrdzdrd\theta$

z-bar = 8/3

M= 8 $\pi$ dividing it into two volume gives us = 4 $\pi$

means $4\pi =\int _0^{2\pi }\int _0^{\sqrt{c}}\int _r^c\:rdzdrd\theta$

$4\pi =\left(\pi c^2-2\pi \frac{c^{\frac{3}{2}}}{3}\right)$

c=2 $\sqrt{2}$

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3 years ago

Divide a 5 inch line into two parts with one part 2 1/4 inches shorter than the other

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And then what? The other side is 2 3/4 long

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Answer:

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