9x + 1 = 7x - 9
-7x. -7x
2x + 1 = -9
-1. -1
2x = -10
Divide by 2
x = -5
Answer:
sin A = 12/13
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
sin theta = opposite side/ hypotenuse
sin A = 12/13
Answer:
136
Step-by-step explanation
multiply 4 by 31 and add 20
Answer:
Formula is ×3
Step-by-step explanation:
4×3=12
12×3=36
36×3=108
Step-by-step explanation:
Look at the picture below
