F(t) = -5t^2 + 20t + 60
-5(t^2 - 4t - 12)
-5(t + 2) (t - 6)
t = -2 or t = 6
6 seconds
Answer:
1/24
Step-by-step explanation:
Answer:
hi the answer is 4,700g is 4.7kg so Carmella's is the heaviest. because it is the greatest number hope it help and can you help me with a question
Step-by-step explanation:
Lets round each distance to the nearest tens place, and then add them up to get an estimate. 143 rounds down to 140, 138 rounds up to 140, and 141 rounds down to 140. So: 140 + 140 + 140 = 420 miles
It’s an intriguing question with no reliable answer