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ale4655 [162]
3 years ago
15

For the years between 2003 and 2010, the equation yˆ=937.98x+12,764.90 models the average cost of tuition of four-year colleges,

in dollars, where x is the number of years after 2000. What is the best estimate for the average cost of tuition in 2005? Enter your answer in the box. Round to the nearest dollar.
Mathematics
1 answer:
VMariaS [17]3 years ago
4 0

Answer:

The best estimate for the average tuition cost in the year 2005 is $7,455

Step-by-step explanation:

In this question, we shall be using the predicted equation to predict the value of tuition in the year 2005.

The equation is y = 937.98x + 12,764.90

since x is the number of years after 2000 and we are looking at the average tuition cost in year 2005, thus, our x will be 2005-2000 = 5 years

Substituting this into the equation, we have;

y= 937.98(5) + 12,764.90

y = 7,454.8 which is 7,455 to the nearest dollars

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Can someone please help me with this?
madreJ [45]

Answer:

2.664 * 10^{7}

Step-by-step explanation:

6 0
3 years ago
SAT scores: The College Board reports that in 2009, the mean score on the math SAT was 582 and the population standard deviation
Andrews [41]

Answer:

we can conclude that there is no significant evidence to conclude that the mean score in 2010 differs from the mean score in 2009.

Step-by-step explanation:

H0 : μ = 582

H1 : μ < 582

Test statistic :

T = (xbar - μ) ÷ σ/√n

Xbar = 515 ; n = 20 ; σ = 120

T = (515 - 582) ÷ 120/√20

T = -67 / 26.832815

T = 2.50

Pvalue at t score = 2.50 ; df = 19 is 0.0187

At α = 0.0187

Pvalue > α ; Hence, we fail to reject the Null

Hence, we can conclude that there is no significant evidence to conclude that the mean score in 2010 differs from the mean score in 2009.

7 0
3 years ago
What is 7.5 as a fraction ?
Elis [28]
75/10 is 7.5 as a fraction
5 0
3 years ago
Read 2 more answers
which number does NOT represent a whole number. a. 25. b. 13. c. 150 over3. d. 6.2
nikitadnepr [17]
6.2 is not a whole number


150/3 = 50 = a whole number
25 and 13 are whole numbers.
6 0
3 years ago
What is the surface area of this design?
vichka [17]

Answer:

280in

Step-by-step explanation:

10×6=60

60×2=<u>120</u>

6×10=<u>60</u>

4×4=16

16×2=<u>32</u>

4×6=<u>24</u>

4×4=<u>16</u>

6×6=<u>36</u>

<u>120+60+32+24+16+36=280</u>

<u />

4 0
3 years ago
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