Answer:
2(x+4)-1=2x+7 is true for everything
Step-by-step explanation:
2(x+4)-1
2(x+4)
=2x+2*4
=2x+8
=2x+8-1
=2x+7
2x+7=2x+7
2x=2x
2x-2x=2x-2x
0=0
true for all x
If she is driving at 30 miles a hour it takes two minutes to cover a mile 60 divided by 30
if she is driving at 2 minutes a mile and is going 24 miles it will take 48 minutes
2*24 =48
solution she is a slow driver she needs to pick up the pace or she will be 3 minutes late to work
45-48=-3
Answer:
A. -1/4
Step-by-step explanation:
The line is going down making the slope negative and doing rise over run the slope is -1/4.
= 1/-4 = -1/4
Answer:
<u>For 20 hours it would be $1,500.</u>
Step-by-step explanation:
The equation for this problem would be Y = 50x + 500.
<em>Y is the total charge and x is the number of hours. </em>
<em>Hope this helps! Sorry if it was not what you were looking for!</em>
Answer:
105 meters
Step-by-step explanation:
