-2x+8 = x-1 substitute for one of the y
-8. -8 solve for x
-2x = x -9
+x =. +x
-1x = -9
/-1. =. /-1
x=9
y=-2(9)+8 now solve for y by putting x
y= 18 +8 in the one of the original
y= 26 equations.
(9,26)
Answer:
Sound energy is produced when a force causes an object or substance to vibrate. The energy is then transferred through the substance in waves, called sound waves.
Step-by-step explanation:
9514 1404 393
Answer:
(d) h = 2A/b
Step-by-step explanation:
Multiply both sides of the equation by the inverse of the coefficient of h.
The first one: whole equation when move1 to the left, same with the second I believe
Answer:
126 degree
Step-by-step explanation:
use alternate angles and linear pair
