4. A car brakes with constant deceleration of 18 ft / s² producing skid marks that measure 306 feet long. How fast was the car traveling when the brakes were first applied? State your answer in both ft/s (feet per second) and mi / hr (miles per hour).

Q: Solve for x 10 x-2 2.

A: To find the value of x

Q: Solve for xx: 4x=23

A: use the basic operation of multiplication.

Q: 3.2 H.

A:

Q: 16 X- 4 20 4.

A:

Q: Solve for r  us = -rtv

A: Given,            us = -rtv

Q: 101325 2.339x10 +5=. (998)(9.81) ' 2(9.81) +2 (998)(9.81) ' 2(9.81)

A:

Q: 17х +28 4х+4 12х- 16

A:

Q: Solve W=2ZX + 2ZY for Z. Z=

A: Given W=2ZX+2ZY

Q: 7. Solve: 3 = 2 x-1 + 5 x+1

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.