Answer:
12.57
Step-by-step explanation:
C=2πr
2π2
4π
12.57
Again, a spreadsheet or suitable calculator makes this short work.
The sum is 184.
_____
The terms being summed are ...
2·3² +3 = 2·9 +3 = 18 +3 = 21
2·4² +3 = 35
2·5² +3 = 53
2·6² +3 = 75
Their total is
21 +35 +53 +75 = 184
Answer:
f(9) = 72
Step-by-step explanation:
f(9) means what is the value of f(x) when x = 9
9 > 6, thus f(x) = 8x
f(9) = 8 × 9 = 72
Answer:
math stinks im sorry use math papa algabraic calculator
Step-by-step explanation:
Answer:
x=-3
Step-by-step explanation:
u first multiply the five into the brackets and then the rest is in the picture