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Mathematics

1 answer:

Anna71 [15]3 years ago

4 0

Step-by-step explanation:

A ball is thrown straight up from a rooftop 320 feet high. The formula below describes the ball's height above the ground, h, in feet, t seconds after it was thrown. The ball misses the rooftop on its way down and eventually strikes the ground. How long will it take for the ball to hit the ground? Use this information to provide tick marks with appropriate numbers along the horizontal axis in the figure shown.

h=-16t^2+16t+32

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This is worth 4 marks

tresset_1 [31]

1. x = cost of one adult ticket
y= cost of one child ticket

2x+3y=31.60
x+2y=18.60 l multiply by -2

2x+3y=31.60
-2x-6y=-37.2
-3y=-5.6
y=1.87

2x+3(1.87)=31.60
2x+5.6=31.60
2x=31.60-5.6
2x=26
x=26/2
x=13

Answer: The adult ticket is $13 and the child ticket is $1.87

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3 years ago

How to do 1.36 divided by 0.08 I’n a house formation

xz_007 [3.2K]

Answer:

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Step-by-step explanation:

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2 years ago

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Marianna [84]

B and (0,4)
because the 0 is the x intercept where it crosses