Mathematics, 26.05.2021 01:50 yadiegarcia0523
Holly plays tennis on the school tennis team. She can hit a tennis ball really high in the
air. She learned that the quadratic equation y = -6x2 + 36x could be used to determine the
height of a tennis ball after it was hit with a tennis racket (y = the height of the tennis
ball in feet, x = seconds after the ball is hit with the racket).
a.
How long does it take for the ball to hit the ground? How can you tell?
b.
What is the highest point reached during the flight of the ball? How do you know?
C.
When was the ball exactly 48 feet off the ground? Explain your reasoning.
Answers: 2
Mathematics, 21.06.2019 16:00, destinyaus14
Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.
Answers: 1
Mathematics, 21.06.2019 18:30, galaxychild101
The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?
Answers: 1
Holly plays tennis on the school tennis team. She can hit a tennis ball really high in the
air. She...
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