5 hours + 3 hours = 8 hours
8x = $40. Divide each side by 8.
x = $6.
You earn $6 / hour
Answer: coordinates of B are (5,-2)
Step-by-step explanation:
let B be (x2,y2)
x1 = -3 y1 = 6
x = 1
y = 2
so
x = (x2 + x1)/2
1 = (x2+(-3))/2
or, 2 = x2 - 3
so, x2 = 5
now
y = (y2+y1)/2
or, 2 = (y2 + 6)/2
or, 4 = y2 + 6
so, y2 = -2
24+28.5−8=44.5 ft^2
The total area is 44.5 ft^2.
Answer:
A. less than three batteries were used in five hours.
