3 years ago

Help please anyone? ASAP!!! GIVING 15 POINTS FOR RIGHT ANSWER PLEASE

Mathematics

2 answers:

GarryVolchara [31]3 years ago

5 0

Answer:

=1.283 , 0.779 seconds

Step-by-step explanation:

h=2+33t-16t²

when h=18 ft

then18=2+33t-16t²

→ 16t²−33t+16=0

t= [−(−33)±√{(−33) ²−4×16×16)}]/(2×16)

= [33±√{1089−1024}]/(32)

= [33±√{65}]/(32)

=1.283 , 0.779 seconds

uranmaximum [27]3 years ago

5 0

What the first person said

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