at 7 p.m. last night, the temputure was 10 degrees. At 7 a.m. the next morning, the temputure was -2 degrees. By how much did th
2 answers:
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The formula is 
We have:
Substituting these values into the formula, we have
⇒ divide each term by 16
⇒ find the pair of numbers that multiply to give 4 and sum gives -5 which is -1 and -4
⇒ We have two values of t
⇒ 
⇒ 
The time when the projectile reached 64 feet is at t=1 and t=4
We have:
Substituting these values into the formula, we have
The time when the projectile reached 64 feet is at t=1 and t=4