Answer:
5x^2 - 7x - 10.
Step-by-step explanation:
11x^2+2-7x-6x^2-12
Bring like terms together We get:
11x^2 - 6x^2 - 7x + 2 - 12
= 5x^2 - 7x - 10.
Answer: B
Step-by-step explanation: SAS: Side, Angle, Side SSS: Side, Side, Side AA: Equilateral Triangle
Step One
Calculate the number of feet traveled in 1 rotation.
Formula
C = π*d
P = 3.14
d = 9 inches = 9/12 feet = 3/4 of a foot.
C = 3.14 * 3/4 = 2.355 So that means that every time the tire turns around 1 complete turn, the distance traveled on the ground is 2.355 feet.
Step Two
Figure out the number of revolutions.
1 revolution = 2.355 feet
x revolutions = 300 feet.
1/x = 2.355/ 300 Cross multiply
2.355 feet * x = 1 rev * 300 feet
2.355 x = 300 rev Divide by 2.355
x = 300 / 2.355
x = 127.39 revolutions. <<<< Answer
