Answer: The answer is ¨B¨
Step-by-step explanation:
Answer: 9 inches.
Do the pythagorean theorem to find your answer.
Formula: a^2 + b^2 = c2
12 = b
15 = c
a^2 + 12^2 = 15^2
Simplify the equation
a^2 + 144 = 225
Subtract 144 on both sides.
a^2 = 81
Square root of 81 is 9.
Answer:
45
Step-by-step explanation:
x + 3x = 180
Combine like terms : 4x = 180
180/4 = 45
Answer:
A train travels at a constant rate of 40 miles per hour. How many miles will it travel in 3 hours?
Step-by-step explanation:
120.
40 x 3
=
120