angelo1506
Answered

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Question in the photo.
Any help is and will be much appreciated.
Please help with this question

Question In The Photo Any Help Is And Will Be Much Appreciated Please Help With This Question class=

Sagot :

madethisfortwitch1

Answer:

Step-by-step explanation:

a.) if the ball is thrown from the balcony then the height would just be the y intecercept. I guess you could plug in 0 for T if you need to show the work.

-5*(0²)+30(0)+25= 25

b.)The time it takes for the ball to reach its peak would be the x value of the vertex.

-b/2a

(-30)/(2*-5)= -30/-10= 3

3 seconds

c) Because we know the ball hits its maximum height at the 3 second mark we can find out how high it went by just plugging in 3 for t

-5*3²+30*3+25= 70

70 meters

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