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a_sh-v [17]
3 years ago
9

The university needs to transport 421 fans from the stadium parking lot to the football game. If a van holds 10 people, how many

fans will be in the partially full van?
Mathematics
1 answer:
Tasya [4]3 years ago
7 0
421/10= 42.1 vans since you can’t bring a 0.1 van you’ll have to bring a whole extra van so 43 vans

answer: one person will be in the partially full van
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For f(x)=3x+1 and g(x)=(x^2)-6, find (f+g)(x).
Anon25 [30]

f(x)=3x+1;\ g(x)=x^2-6\\\\(f+g)(x)=(3x+1)+(x^266)=3x+1+x^2-6=x^2+3x+(1-6)\\\\=\boxed{x^2+3x-5}

3 0
3 years ago
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How long will it take for an investment of $2000 to double in value if the interest rate is 7.25%
lesya692 [45]

Answer:

t = ln2/0.075

t = 9.24 years.

hope this helps

3 0
3 years ago
Suppose John is a high school statistics teacher who believes that watching many hours of TV leads to lower test scores. Immedia
Hatshy [7]

This question is incomplete, the complete question is;

Suppose John is a high school statistics teacher who believes that watching many hours of TV leads to lower test scores. Immediately after giving the most recent test, he surveyed each of the 24 students in his class and asked them how many hours of TV they watched that week. He then matched each student's test grade with his or her survey response. After compiling the data, he used hours of TV watched to predict each student's test score. He found the least-squares regression line to be y"  = -1.5x + 85.

He also calculated that the value of r, the correlation, was -0.61.

what is the correct value of the coefficient of determination R² and give a correct interpretation of its meaning

Answer:

Interpretation of coefficient of determination R² = 0.3721

R² = 0.3721, meaning 37.21% of the total variation in test scores can be explained by the least square regression line

Step-by-step explanation:  

Given the data in the question;

the least square regression line is;

y"  = -1.5x + 85

the correlation coefficient r = -0.61

Now, the coefficient of determination R² is square of correlation coefficient r

R² = -61²

R² = 0.3721

8 0
3 years ago
3 multiply by 2x - 5 = 27.
jeka94

Answer:

x=2.7

Step-by-step explanation:

27 divided by 5 = 5.4 and 5.4 divided by 2 = 2.7

8 0
3 years ago
Fencing a feed lot peter plans to fence off a square feed lot and then cross-fence to divide the feed lot into four smaller squa
velikii [3]
<span>6x=480 ft
x=80 ft.
Area = x^2 = 80^2 = 6400 sq. ft.</span>
8 0
3 years ago
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