-18 because a negative number times positive is negative.
~JZ
Answer:
y=4/3x+2
Step-by-step explanation:
y=mx+b
b is y intercept, and in this case, 2
m is the slope, and in this case, 4/3
Hope this answers your question.
The answer is 7. 9 + 5 / 2 equals to 7. 9 and 5 and the two middle numbers.
H(t) = Ho +Vot - gt^2/2
Vo = 19.6 m/s
Ho = 58.8 m
g = 9.8 m/s^2
H(t) = 58.8 + 19.6t -9.8t^2/2 = 58.8 + 19.6t - 4.9t^2
Maximun height is at the vertex of the parabole
To find the vertex, first find the roots.
58.8 + 19.6t - 4.9t^2 = 0
Divide by 4.9
12 + 4t - t^2 = 0
Change sign and reorder
t^2 - 4t -12 = 0
Factor
(t - 6)(t + 2) =0 ==> t = 6 and t = -2.
The vertex is in the mid point between both roots
Find H(t) for: t = [6 - 2]/2 =4/2 = 2
Find H(t) for t = 2
H(6) = 58.8 + 19.6(2) - 4.9(2)^2 = 78.4
Answer: the maximum height is 78.4 m
Answer:
Step-by-step explanation:
he has 1/4 remaining as he has only used 3/4
