#1 is 25% 15/60= 4=0.25=25%
-5 + -2 = -7
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we are given
(a)
we can plug t=0
so, the height above the ground when the object is launched is 60 meter......Answer
(b)
we can set s(t)=0
and then we can solve for t
we can use quadratic formula
we get
..........Answer
(c)
we can find vertex
t=2.040816
now, we can plug it back
so, the maximum height is 80.408meter.........Answer
Answer:
The required critical values is ±1.65
Step-by-step explanation:
Consider the provided information.
We have given that the significance level is 0.10
Therefore, α=0.10
This is a two tailed test.
The Z critical value is:
Now by using the table we can find the required value.
Hence, the required critical values is ±1.65
The best estimate for the mass of a textbook is 1 kilogram because one gram would be more like a piece of paper.