Answer:
vol of cylinder = per. of base x height + 2 (area of base)
area of base = pi x r^2
4pi = pi r^2
4=r^2
r=2
per of base = 2 x pi x r
2xpix2=4pi (same as area cause 2x2 and 2^2 is the same thing)
4pi + 2(4pi)
4pi + 8pi
<u>12pi = volume</u>
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<u>hope that answers your question</u>
<u>Don't hesitate to comment if you are confused about something</u>
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:
It's the first one.
Step-by-step explanation:
Collect like terms.
x-4+x^2-2x+3
---------------------------
x-7
take x and (-2x): this equals -x
Take (-4) and 3: this equals (-1)
reorder the terms
-x-1+x^2
------------
x-7
Use the commutative property
x^2-x-1
------------
x-7
Factorial 6 or 6! is 6*5*4*3*2*1, or 720.
factorial 3 times factorial 2 equals 3*2*1*2*1 or 3*2^2*1 or 12
Answer:
A. 34
Step-by-step explanation: