Answer:
9
Step-by-step explanation:
Answer:
7/40
Step-by-step explanation:
Dividing both the numerator and the denominator by 540, the new fraction is 7/40. (3780/540 = 7 and 21600/540 = 40)
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For this case we have the following equation:
h = -16t2 + 64t + 80
To find the maximum height, we derive the equation:
h = -32t + 64
We match zero:
-32t + 64 = 0
We clear t:
t = 64/32
t = 2
We substitute the value of t in the given equation:
h (2) = -16 * (2) ^ 2 + 64 * (2) + 80
h (2) = 144
Answer:
The maximum height is 144 feet and the time to reach this height is 2 seconds.
Answer:
A
Step-by-step explanation:
gimme brainliest
It costs $.50 to mail a letter of that size.
All letters that are under 3.5 oz take only one stamp to ship. Since 2.7 is less, it would cost only $.50