Answer:
x=5
Step-by-step explanation:
2x=10
Divide each side by 2
2x/2 = 10/2
x = 5
Answer: 21
Step-by-step explanation: Just plug in the numbers for x, and you get 21 when you plug that in.
Answer:
120
Step-by-step explanation:
36+84=120 this easy .
The lcm he should use is 12, for the denominator.
Plug in each set of lengths into the Pythagorean theorem. Because the 2 sides are equal, that is a right triangle.
