Answer:

Step-by-step explanation:
We are given: 
So, the integral will be used to calculate the volume.

Answer:
check your commments
Step-by-step explanation:
To make this a little clearer, let's give the pairs of inequalities the same denominator:
<span>Question 1:
</span>

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First, apply the common denominator to the first fraction:

Do the same for the second:

Nest, compare the two fractions:

Therefore:

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<span>
Question Two:</span>

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Apply the common denominator to fraction one:

Fraction two:

Evaluate:

>

Therefore:
<span>
> 
</span>
Hope this helps!
Answer:
1/2*6(12+x)=12*x
1/2*(72+6)=12x
36+3x=12x
36=9x
4=x
Step-by-step explanation:
Check that x=4
1/2*6(4+12)=12*4
1/2*(24+72)=48
1/2(96)=48
48=48
So x=4 is the correct answer