Answer: 22.2, 22,200
Step-by-step explanation: I believe that the comma was supposed to be a decimal, if so the first one is your answer, if its supposed to be a comma, is is the second one.
The formula of pi rs represents the formula to find the lateral surface area of a right cone.
Answer:
-3*3=-9
Step-by-step explanation:
The answer is 25 because
5*5=25
Answer:
D)
Step-by-step explanation:
f(x) = x^2 -14x -72
0=x^2 - 14x-72
0=x^2 - 18x+4x-72
0=x(x-18)+4(x-18)
0=(x-18)(x+4)
x-18=0 or x+4=0
x1=18 or x2=-4
asis of symmetry: x=(x1+x2)/2
x=(18+(-4))/2
x=14/2
x=7