It will reach 80 feet for the second time after 5 seconds.
We set the equation equal to 80 feet:
80= -16t² + 96t
When solving quadratics, we want it equal to 0, so we subtract 80 from both sides:
80-80= -16t² + 96t - 80
0= -16t² + 96t - 80
We use the quadratic formula to solve:
Answer:
Step-by-step explanation:
(11,13) (8,18)
slope = y₂ - y₁/x₂-x₁
= 18- 13 / 8-11
= 5 / - 3
= -5/3
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Answer:
a) Mean, median, mode = 56.5
b) 
Step-by-step explanation:
Normally distributed data have the same value for the mean, median and mode. This value is the addition of the maximum value by the minimum, divided by 2.
Also, the standard deviation in a normally distributed sample can be approximated by the following formula:
So
a) Estimate the values of Mean, Median, and Mode.
Highest value = 98
Minimum value = 15
b) Estimate the value of the standard deviation of these data
Max = 98
Min = 15
So
Answer:
Step-by-step explanation:
Find the length of one of the diamond's sides and multiply the length by 4 to calculate the diamond's perimeter.
