Answer:
1.29 s
Step-by-step explanation:
h = -490t² + 1260t
810 = -490t² + 1260t
490t² - 1260t + 810 = 0
49t² - 126t + 81 = 0
(7t - 9)² = 0
7t - 9 = 0
t = 9/7
t ≈ 1.29
The max of Lauren's age --> the minimum of the others' ages, 1, 2 & 3
4*avg = 4*9 = 36
36 - (1+2+3) = 30
Lauren is 30 yrs of age, or younger.
Answer:
Paige would walk 8.33 miles.
Step-by-step explanation:
Paige is walking at a rate of 1 mile per 12 minutes. At this rate, Paige would walk 8.33 miles in 100 minutes.
Answer:
View picture for answer.
Step-by-step explanation:
3x - 20 + 2x = 180 because the angle on a straight line is 180 degrees
5x = 200
x = 40
