Answer:
x = 20
Step-by-step explanation:
ok so we know that one angle equals 90 degrees
90
x
2x
90 = x + 2x
90 = 3x
90 / 3 = 20
3x / 3 = x
20 = x
Answer:
10
Step-by-step explanation:
(15 x 40) / (15+40)
solve inside the parenthesis:
600/60
divide:
10
Answer:
A 47 inches
Step-by-step explanation:
Divide both sides by 1.5
1.5x = 3
x = 2
Check the equation by plugging in the 2.
1.5(2) = 3
3 = 3
