Answer:
The y-intercept is (0, 4).
Step-by-step explanation:
At the y-intercept x = 0 so
y = 4(3^0)
y = 4*1 = 4.
So the y-intercept is (0, 4).
Answer:
x=2
Step-by-step explanation:
5 ( x - 2) + 4 ( 3 + x) = 20
Distribute
5x -10 +12 +4x = 20
Combine like terms
9x +2 = 20
Subtract 2 from each side
9x+2-2 = 20-2
9x = 18
Divide each side by 9
9x/9 = 18/9
x = 2
Answer:
Step-by-step explanation:
Multiply each # by 3 so 15 36 39
(15x36)/2=270
I'm sorry if its wrong.
Answer:
216÷4 = 54
Step-by-step explanation:
Answer:
lateral surface area of a pyramid= 1/2pl or pl/2