Answer:
A.) y - 7 = 3/4(x+1)
Step-by-step explanation:
Plug point into equation.
7 = 3/4(-1) + b (simplify)
7 = -3/4 + b (add 3/4 on both sides)
7.75 = b
Parallel equation is
y = 3/4x + 7.75
A) Matches this
y - 7 = 3/4(x + 1) (distribute 3/4 to x and 1)
y - 7 = 3/4x + 3/4 (add 7 on both sides)
y = 3/4x + 7.75
Hope this helps ya!!
Answer:
X=6 and y=-7
Step-by-step explanation:
Answer:
b) 50
Step-by-step explanation:
you can multiply all of the answers by .7 (70% converted into a decimal) to see which one matches 35 miles.
24.5(.7) = 17.15 INCORRECT
50(.7) = 35 CORRECT
59.5(.7) = 41.65 INCORRECT
200(.7) = 140 INCORRECT
-5T^2 + 45t
to find the x intercepts equate to 0 and silve for t
-5t^2 + 45t= 0
-5t(t - 9) = 0
t = 0 and 9 These are the x intercepts
the vertex can be found by converting the function to vertex form
(ht) = -5(t^2 - 9t)
= -5[ (t - 4.5t)^2 - 20.25]
so the coordinates of the vertex are t = 4.5 and h(t) = -5 * -20.25 = 101.25
( 4.5 , 101.25)
The maximum height is 101.25 m and time it takes to reach this height is 4.5 seconds.