Use PEMDAS
Parenthasis
Exponents
Multiplication/Division (whichever comes first)
Addition/subtraction(whichever comes first)
First do whats in Perenthasis
16-9 is 7
now we have
18 + (7) ·4
Multiplication comes next in PEMDAS
do 7 x 4. Youll get 28
Now we have 18 + 28
Add them to get 46
The final answer is 46 :)
-xCalypso, 8th, Algebra 1 Honors
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The hemisphere is half the volume of a sphere. Since we are given the circumference, we can solve for the radius of the sphere. That is
Part A
We can now compute for the volume of the hemisphere.
Part B
We just need to convert the volume into its corresponding gallons
The answer is 3, because 6(3) - 3=15 , 3(3)+ 6 = 9+6=15 and 5(3)= 15:)