Answer:
Step-by-step explanation:
y = ax² + bx + c
Plug the points into the equation to get a system of 3 equations with 3 unknowns a, b, and c.
-27 = 4a - 2b + c
-42 = 9a + 3b + c
-12 = a + b + c
(a,b,c) = (-4,1,-9)
y = -4x² + x - 9
Answer:
The circumference of the larger circle is 94.2 inches.
Step-by-step explanation:
Answer:
10x+15
Step-by-step explanation:
5 x 2x=10x
5x3=15
Answer:
angle G = 64.9 is because the sum of interior angle is 180
Answer:
34+(-12) =22
Step-by-step explanation:
because they said that adding numbers but they didn't said that negative Or positive. so i took those numbers
