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Nutka1998 [239]
3 years ago
6

In his free time, Gary spends 13 hours per week on the Internet and 13 hours per week playing video games. If Gary has five hour

s of free time per day, approximately what percent of his free time is spent on the Internet and playing video games?
Mathematics
1 answer:
goldenfox [79]3 years ago
6 0
<span>Gary spend 13 hours per week on the Internet and 13 hours on video games Gary has 5 hours of free time each day,
 so total free time in a week=> 7*5=35 hours
Now he spends 13+13 hours on the internet and games=28 hours Percentage free time spent on games and internet
 

26/35 (that is a fraction) x100 =</span><span>74.285714 
</span>so round your answer
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In a Gallup telephone survey conducted on April 9-10, 2013, the person being interviewed was asked if they would vote for a law
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Answer:

a) The responses provide categorical data.

b) The sample size for this Gallup poll is 1021.

c) 28.89% of respondents would vote for a law increasing the gas tax.

d) The results indice general support against increasing the gas tax.

Step-by-step explanation:

Categorical variables are variables that do not involve numbers. For example, race, gender, opinions. For example, yes or no questions.

Quantitative variables involve numbers.

In this problem, we have that:

295 would vote for the law

675 vote against the law

51 had no opinion

a. Do the responses for this question provide categorical or quantitative data?

This is a yes or no question. Either you are in favor of the law, or you are against.

So the responses provide categorical data.

b. What was the sample size for this Gallup poll?

This is the number of voters.

295 + 675 + 51 = 1021.

The sample size for this Gallup poll is 1021.

c. What percentage of respondents would vote for a law increasing the gas tax?

This is 295 of 2021.

295/1021 = 0.2889

28.89% of respondents would vote for a law increasing the gas tax.

d. Do the results indicate general support for or against increasing the gas tax to improve roads and bridges and build more mass transportation?

There are more people voting against increasing the gas tax.

So the results indice general support against increasing the gas tax.

8 0
3 years ago
Add Linear Expressions. (4x - 1) + (-5x + 17)
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<span>(4x - 1) + (-5x + 17)
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Slope of -3 and y intercept 7 in slope-intercept form.
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Y = mx + b, m = slope and b = y-intercept

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marshall27 [118]

The first option: (3/5)x - 3/6

3 0
2 years ago
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A spherical balloon has a 34-in. diameter when it is fully inflated. Half of the air is let out of the balloon. Assume that the
jeka57 [31]

Answer:

a. 20,579.52 cubic inches

b.10,289.76  cubic inches.

c. 13.49 inches

Step-by-step explanation:

Hi, to answer this question we have to calculate the volume of a sphere:

Volume of a sphere: 4/3 π r³

Since diameter (d) = 2 radius (r)

Replacing with the value given:

34 =2r

34/2=r

r= 17 in

Back with the volume formula:

V = 4/3 π r³

V =4/3 π (17)³

V = 20,579.52 cubic inches

The volume of the half-inflated balloon is equal to the volume of the sphere divided by 2.

20,579.52/2 = 10,289.76  cubic inches.

To find the radius of the half-inflated balloon we have to apply again the volume formula and substitute v=10,289.76

10,289.76= 4/3 π r³

Solving for r

10,289.76/ (4/3 π)= r³

2,456.5 = r³

∛2,456.5 = r

r = 13.49 inches

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3 years ago
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