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ludmilkaskok [199]
3 years ago
14

What is the maximum volume of a pyramid that can fit inside a cube that has side 18 cm long?

Mathematics
1 answer:
Ludmilka [50]3 years ago
8 0
Formula for <span>Volume of cube= 1/3 x area of base x height
</span>as base and height are the same:
So,
Base = 18 cm
Height = 18 cm
Area of base = Base^2
<span>Area of base = 18^2
</span><span>Area of base = 324 cm
</span>Putting all the values into the formula:
1/3 x 324 x 18 
<span>=6 x 324 </span>
= 1944 cm^3
So according to above explanation
<span>C) 1944 cm3, is the correct answer.</span>
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12.75+4x

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Does this seem answer seem correct?
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If you subtract 12 from my number and multiply the difference by - 5, the result is -90." What is Sara's number?​
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Answer:

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Step-by-step explanation:

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3 years ago
The sum of two polynomials is -yz to the second power-3z to the second power-4y+4. If one of the polynomials is y-4yz to the sec
balu736 [363]

Answer:

- 5yz^2 - 3z^2 - 5y + 7

Step-by-step explanation:

The polynomial is:

-yz^2-3z^2-4y+4   ( 1 )

this polynomial is the result of the sum of two polynomials, one of them given by

y-4yz^2-3     ( 2 )

if you find to know what is the other polynomial, you can take the difference between the polynomial (1) and (2). It is necessary to take the difference between simmilar terms, as follow:

 - yz^2 - 3z^2 - 4y + 4

<u>- (4yz^2          + y   - 3  )</u>

<u />

 - yz^2 - 3z^2 - 4y + 4

<u> - 4yz^2           - y   + 3  </u>

- 5yz^2 - 3z^2 - 5y + 7

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5 0
4 years ago
3x + 5 = 45° + x
stira [4]

Answer:

3x + 5 = 45° + x

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After that you can get the value of x

So,

2x = 40

x = 20

4 0
3 years ago
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