Answer:
131.04
Step-by-step explanation:
0.7×180=126
1.04×126=131.04
Answer:
C
Step-by-step explanation:
x+4y=-12
x+7y=-15
subtract
-3y=3
y=-1
x+4(-1)=-12
x=-12+4=-8
so point is (-8,-1)
3x + 11y = 4
2x + 6y = 0
I got
15/2, -5/4
Answer:
discriminant is zero (0)
Step-by-step explanation:
Actually, you have a double root here: {6, 6}: "two real, equal roots." That tells us immediately that the value of the discriminant was zero (0).
