Solve and graph the inequality below. PLEASE HELP
1 answer:
You might be interested in
Answer:
10
Step-by-step explanation:
Let the width length be x.
Width length = x
Length = 2x + 4
Perimeter = width + length + width + length
= x + 2x + 4 + x + 2x + 4
= 6x + 8
6x + 8 = 28
6x = 28 - 8
= 20
x = 20 ÷ 6
x = 3
Length (2x + 4) = 2(3) + 4
= 6 + 4
= 10
Greg is driving a remote control car at a constant speed. He starts the timer when the car is 5ft away after 2 seconds the car is 35ft away
Let x be the seconds and y be the feet the car is away
In 0 seconds the car is 5ft away. (0, 5)
In 2 second the car is 35 ft away (2, 35)
Question says constant speed
so we find linear equation y=mx+b
use the points (0,5) and (2,35)
slope
y intercept is 5
so equation becomes y = 15x + 5
to find the distance the car has traveled after 10 secs
We plug in 10 for x and find out y
y = 15(10) + 5= 150+5= 155
the distance the car has traveled after 10 secs is 155 feet