Answer:
x=4
Step-by-step explanation:
1/2x + 3/2x =4x-8 Combine like terms:
4/2x=4x-8
2x=4x-8
-2x -2x
0=2x-8
+8 +8
8=2x Divide:
4=x
Hope this helps:)
Step-by-step explanation:
SA=2*(12*6+12*4+6*4)
SA=2*(72+48+24)
SA=2*144
SA=288
Answer:
x = 25
Step-by-step explanation:
Solve by isolating x:
(x-7)2 = 36
x-7 = 18
x = 25
If you use the SAS theorem, you can prove the triangles are congruent. Due to vertical angles, we have one angle, and we know one side is congruent. In order to prove these triangles are simillar, we need another side





Now,







Area of rectangle = 38.5 cm².