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Furkat [3]
2 years ago
11

Lol please help me goodness gracious

Mathematics
1 answer:
PIT_PIT [208]2 years ago
5 0

To find x = \frac{1}{2} (AB+CD)

x=\frac{1}{2} (46+25)\\\ x=\frac{1}{2} (71)\\ x =35.5

Hope it helps!

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3 years ago
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What size does the radius of a sphere need to be for its volume to be larger than its surface area? HINT! It is less than 10. HI
Lera25 [3.4K]
We know that
volume of a sphere=(4/3)*pi*r³----> (r/3)*(4*pi*r²)
and
surface area of sphere=4*pi*r²
so
the volume of a sphere=(r/3)*surface area of sphere
therefore
if r=3
volume of a sphere=(3/3)*surface area of sphere
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if r> 3
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volume of a sphere < surface area of sphere

examples
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volume of a sphere=(4/3)*pi*3³----> 113.04 unit³
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volume of a sphere=(4/3)*pi*10³----> 4186.67 unit³
surface area=4*pi*10²----> 1256 units²
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3) for radius r=2 units
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surface area=4*pi*2²----> 50.24 units²
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3 years ago
Solve for 2. Round to the nearest tenth of a degree, if necessary, 7.2 D 10 9.4. B​
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Answer:

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Step-by-step explanation:

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