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Bas_tet [7]
3 years ago
5

Laurie throws a tennis ball toward her dog from a height of 4.5 ft. The initial vertical velocity of the ball is 18 ft/s. At the

same time as Laurie throws the ball, her dog jumps with an initial vertical velocity of 21 ft/s. When the dog jumps, its mouth is 1.5 ft above the ground.Which system models the height of the tennis ball and the height of the dog's mouth over time?
What does the t-coordinate of the solution h = -16t2 + 18t + 4.5 and h = -16t2 + 21t + 1.5 to this system represent?

a) the time at which the ball and the dog hit the ground
b)the time at which the ball and the dog begin moving
c)the time at which the ball and the dog's mouth are at the same height
Mathematics
2 answers:
Neporo4naja [7]3 years ago
6 0

Answer:

D -edgenuity

Step-by-step explanation:

C- what does it represent

kap26 [50]3 years ago
4 0
<span>Which system models the height of the tennis ball and the height of the dog's mouth over time?

Answer: D

</span>What does the t<span>-coordinate of the solution h = -16t2 + 18t + 4.5 and h = -16t2<span> + 21t + 1.5</span> to this system represent?

Answer: C

Your Welcome :)</span>
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