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777dan777 [17]
3 years ago
9

Kay was walking along the bridge above the river. She accidentally lost her grip on her camera when she was trying to get it out

to photograph massive birds nest in the trees.The height of the camera above the water can be modeled by the equation y=-16t^2+400, where t represents the seconds after the camera is dropped. How long will it take before Kay sees the splash from the camera hitting the water.
Mathematics
2 answers:
nikklg [1K]3 years ago
8 0

Answer:

5 seconds it will hit the water.

Step-by-step explanation:

y=-16t²+400

add -16t² to both sides

-16t²=-400

divide both sides by 16

t²=-25

t=√25

t=5

devlian [24]3 years ago
3 0

Answer:

t=5

Step-by-step explanation:

t=√25=t=5

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