3 years ago

What is the value of x in the equation 3x-4y=65 when y=4

Mathematics

2 answers:

vredina [299]3 years ago

3 0

I believe x is equal to 23

Illusion [34]3 years ago

3 0

I think its 23 for this equation

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What is the volume of a hemisphere with a radius of 61.9 m, rounded to the nearest

ZanzabumX [31]

Answer:

The volume of the hemisphere is 496741.6 m³

Step-by-step explanation:

The volume of an sphere is given by:

$V_{s} = \frac{4\pi r^{3}}{3}$

In which $\pi = 3.14$ and r is the radius.

An hemisphere is half of an sphere, so it's volume is half the sphere's volume. So

$V_{h} = \frac{V_{s}}{2} = \frac{2\pi r^{3}}{3}$

In this question:

$r = 61.9$ . So

$V_{h} = \frac{2\pi (61.9)^{3}}{3} = 496741.6$

The volume of the hemisphere is 496741.6 m³

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Lerok [7]

Answer: b

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denis23 [38]

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Step-by-step explanation:

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Svetradugi [14.3K]

Answer:

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Step-by-step explanation:

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3 years ago

Please! I need help now.

boyakko [2]

The answer is no because she only got information from one group and she should get the input of other 7th graders

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