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pandaecat
 one year ago
A firecracker shoots up from a hill 150 feet high, with an initial speed of 110 feet per second. Using the formula H(t) = −16t2 + vt + s, approximately how long will it take the firecracker to hit the ground?
pandaecat
 one year ago
A firecracker shoots up from a hill 150 feet high, with an initial speed of 110 feet per second. Using the formula H(t) = −16t2 + vt + s, approximately how long will it take the firecracker to hit the ground?

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pandaecat
 one year ago
Best ResponseYou've already chosen the best response.1A. 8 sec B. 9 C. 10 D.11

pandaecat
 one year ago
Best ResponseYou've already chosen the best response.1@mathmate @Vocaloid @jayzdd @jcoury @freckles

pandaecat
 one year ago
Best ResponseYou've already chosen the best response.1Does this deal with quadratic...?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@pandaecat check ur messages

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0hint: solve H(t) = −16t2 + vt + s = 0 where v=110, s=150 Ignore the negative root, and round the root to the nearest second.

pandaecat
 one year ago
Best ResponseYou've already chosen the best response.1H(t)=16t2+110t+150=0 then?

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0substitute v=110, s=150 and solve the resulting quadratic.
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