Answer: 99
Step-by-step explanation:
10x-9=9x
-9=-x
x=9
angle 7 = 9*(9)=81
angle 6 = 180-81= 99
NOTE: DO NOT hit 90 because I did that and got it wrong. Just a heads up. Get luck!
Answer:
Serch in gooogle really works
Step-by-step explanation:
Step-by-step explanation:
here
f(x)=2x^2-1
Now
f(4y)=2*4y^2-1
Answer:
x + y = - 3
Step-by-step explanation:
The equation for standard form is Ax + By = C. Since there is an invisible 1 in front of both x and y, you can easily solve the problem by subtracting -1x from both sides to get 1x + 1y = -3 or x + y = -3