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Klio2033 [76]
3 years ago
15

Please help!!

Mathematics
1 answer:
Tpy6a [65]3 years ago
4 0
Vsphere=(4/3)(π)r³
Vcylinder=(h)(pi)(r²)
Vcone=(1/3)(h)(pi)(r²)


7.
d/2=r, 10/2=5
V=(4/3)(π)(5³)
V=(500π)/3
aprox 523.598666 in³

8.
h=30
r=15
V=(30)(π)(15²)
V=6750pi aprox 21205.746 ft³

9.
d=8
d/2=8/2=4=r
h=12
V=(1/3)(12)(π)(4²)
V=64π aprox 201.06188 cm³

10.
V=volume

r=radius

π=aprox 3.141592, it is the ratio of the circumference to the diameter

h=height
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Answer: 2

Step-by-step explanation: To find the greatest common factor or GCF of 8 and 18, we begin by finding all of the factors of each number.

To find the factors of 8, we know that 8 ÷ 1 is 8 so 1 and 8 are factors.

8 ÷ 2 is 4 so 2 and 4 are factors.

However, if we continue to divide 8 by 3, 4, 5, and so on, we won't find any new factors. So the factors of 8 are 1, 2, 4, and 8.

Now let's find the factors of 18.

18 ÷ 1 is 18 so 1 and 18 are factors.

18 ÷ 2 is 9 so 2 and 9 are factors.

18 ÷ 3 is 6 so 3 and 6 are factors.

However, if we continue to divide by 4, 5, 6, and so on, we won't find any new factors. So the factors of 18 are 1, 2, 3, 6, 9, and 18.

Now that we have our list of factors, to find the greatest common factor, we simply find the largest number that is shared by the two lists.

Notice that our lists share a 1 but the largest number they share is a <em>2</em><em>.</em>

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So the greatest common factor or <em>gcf</em> of 8 and 18 is 2.

I have also shown my work on the whiteboard.

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3 years ago
How do you break apart the factor 42 using place values
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Let's break apart 42.

The 4 is in the tens. The 2 is in the ones.

                           Place Value starting from Thousands

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So this is how we break up numbers using place value.

Hope this helps!

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3 years ago
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