Answer:
22 =1
Step-by-step explanation:
By substitution,
1.5x - 6 = -4.5x + 21
6x = 27
x = 4.5
Hence, y = 1.5(4.5) - 6 = 0.75
Roughly 24, but there's possibly like nine more. I got 24 without getting too confused
Answer:
10 sqrt 3.
Step-by-step explanation:
sqrt30 = sqrt10 * sqrt 3
so sqrt30 * sqrt10
= sqrt10 * sqrt10 * sqrt3
= 10 sqrt 3.
Equation of circle
(x-h)^2 + (y-k)^2 = r^2
I believe it is
(x-2)^2 + (y+2)^2 = 16
