Mathematics, 07.04.2021 02:30 jackchelly

I WILL GIVE YOU BRAINNEST Alexa is in a snowboarding competition. The equation h(x)=−76t2+30t+10 models Alexa's height h, in feet, in the air after (t) seconds. 1) How long is Alexa in the air?
2) When will Alexa reach a height of 15 feet?
3) To earn bonus in the competition, you must reach a height of 20 feet?

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I WILL GIVE YOU BRAINNEST Alexa is in a snowboarding competition. The equation h(x)=−76t2+30t+10 mod...

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