Given
d(t) = 0.8t ^2
t= 5 secs
d(5) = 0.8(5)^2 = 0.8 * 25 = 20
t= 10 secs
d(10) = 0.8(10)^2 = 0.8 * 100 = 80
20 m / 5 secs = 4 meters per sec
80 m / 10 sec = 8 meters per sec
4 mps + 8 mps = 12 mps
12 mps / 2 = 6 mps
6 mps is the average speed of the rock between 5 and 10 sec after being dropped
Answer:
B
Step-by-step explanation:
3 ( w + 9 )
3 × w + 3 × 9
<u><em>3w + 27</em></u>
Hope this helps
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Answer:
Just count and find the area of the units shown below,
6 x 2 = 12, 12 divided by 2 = 6
6 x 2(two of the triangles) = 12
7 x 3 = 21
21 x 2 = 42
7 x 6 = 42
Add all given areas:
12 + 42 + 42 = 96 is your answer
I think the correct answer from the choices listed above is the second option. The value of 0.94 in the function given above represents the decrease of the value of the car per year. Hope this answers the question. Have a nice day.
-2x^2+-4x+-3x+-6
-2x^2-7x-6
