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Sloan [31]
3 years ago
7

A kicker kicks a football during practice. the ewuation below can be used to find the height (h) in feet of the football after t

seconds.
h(t)= -16t^2 + 96t
after how many seconds will the ball hit the ground?
a.7
b.0
c.96
d.y
Mathematics
1 answer:
Firdavs [7]3 years ago
3 0
H(t)=16(t+3)^2-144
use photomath
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To rent a certain meeting room, a college charges a reservation fee of $18 and an additional fee $5 of per hour. The chemistry c
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Answer:

You need the minimum cost for renting the meeting room given the following info

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So the cost will vary with the time, t you use the inequality below

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You can solve this to get that minimum

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43,81

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Geometry...halp QwQ......
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Suppose that in a random sample of 300 employed Americans, there are 57 individuals who say that they would fire their boss if t
otez555 [7]

Answer:

The 95% confidence interval for the population proportion is (0.1456, 0.2344). This means that we are 95% sure that the true proportion of employed American who say that they would fire their boss if they could is between 0.1456 and 0.2344.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

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n = 300, \pi = \frac{57}{300} = 0.19

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The lower limit of this interval is:

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The upper limit of this interval is:

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The 95% confidence interval for the population proportion is (0.1456, 0.2344). This means that we are 95% sure that the true proportion of employed American who say that they would fire their boss if they could is between 0.1456 and 0.2344.

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3 years ago
What is an essential goal of a programmer and why?
Alenkasestr [34]

Answer: A programmer is the person who is responsible for making  computer programs.He/she makes sure that the program is created according to the requirement and  accurate performing operations .The goals of the programmer are as follows:-

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