Answer:
3x+y=-31
Step-by-step explanation:
Slope of perpendicular line is -3.
Sub in the point (10, -1)
Answer:
$7.50
Step-by-step explanation:
<u>If she is not a member:</u>
to print 350 pictures, she will pay 0.2 * 350 = $70
<u>If she IS a member:</u>
to print 350 pictures, she will pay 0.15(350) + 10 = $62.5
THus, the amount she saves is 70 - 62.5 = $7.50
Step-by-step explanation:
The number of people to paint the bridge is inversely proportional to the number of hours it takes.
(If there are more people, it will take less time etc.)
9 people can paint the bridge in 5 hours.
=> 2 people can paint the bridge in 5 * (9/2) = 22.5 hours.
1. x^2 + x - 90
2. (x+10)(x-1)
3. x= -10 and 1
Step-by-step explanation:
Since, y varies inversely as x.
