Answer:
a. 254.34, b. 56.52
Step-by-step explanation:
a. A = πr^2,
A = 3.14(9^2)
A = 3.14*81
A = 254.34
b. C = πd
C = 18*3.14
C = 56.52
A. Centrifuge had the biggest impact on the development of the cell theory
(t + 12) ^ 2
(t + 12) (t + 12)
t ^ 2 + 12t + 12t + 144 144 24
t ^ 2 + 24t + 144 -------|--------
(t + 12) (t + 12) = 0 12,12 | 24
t = -12
Answer:
90$
Step-by-step explanation:
let x = number of hours worked
let y = total money made
dollars per hour = 10
y=10x
x=9
y=10(9)
y=90
Answer:
y = 2/3x - 3
Step-by-step explanation:
Just rearrange the equation:
2x - 3y = 9
-3y = -2x + 9
y = -2/-3x + 9/-3
y = 2/3x - 3