Twelve million, three hundred twelve thousand, eighty-seven
Answer: 2n + 8 = n -3
Step-by-step explanation:
In this scenario we will represent that number by the variable n.
So two times the number will be 2n plus 8 is 2n +8 and it has to equal 3 less that number so it will be n-3.
She will know if 5(3x - 6) is equivalent to 15x - 30 if they end up to be equal to the same number.
5(3x - 6) Substitute 2 into x
5(3(2) - 6)
5(6 - 6) = 5(0) = 0
15x - 30
15(2) - 30
30 - 30 = 0
They both equal 0 when 2 is substituted in, so they are equivalent.
Also if you distributed 5 into (3x - 6) it would equal 15x - 30
<u>Given</u>:
Given that the radius of the hemisphere is 9.8 inches.
We need to determine the volume of the hemisphere.
<u>Volume of the hemisphere:</u>
The volume of the hemisphere can be determined using the formula,

where r is the radius of the hemisphere.
Substituting r = 9.8 in the above formula, we get;

Simplifying, we get;



Rounding off to the nearest tenth, we get;

Thus, the volume of the hemisphere is 1970.2 cubic inches.