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Nonamiya [84]
3 years ago
14

A university health services physician is concerned about how much sleep freshmen are getting. She asks a simple random sample o

f 50 students if they got at least 8 hours of sleep the previous night. Then she constructs a 95% confidence interval for the true proportion of all freshman college students who got at least 8 hours of sleep the previous night
Mathematics
1 answer:
Zolol [24]3 years ago
3 0

Answer:

c

Step-by-step explanation:

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Write the written form of the following expressions given in the symbolic form, then simplify each expression.
miss Akunina [59]

The values of the equation will be:

9. 12x - 1

10. -50 - x

11. -x + 14

12. x³ - 4y - 4

13. 8 - 6x

14. 288 - 1080x

15. 420 - y

16. 66 + 7y - 9x

<h3>How to compute the equation?</h3>

9. 4(3x+ 2) - 9

12x + 8 - 9

12x - 1

10. √144 – (62 –x)

12 - (62 - x)

-50 - x

11. (28 ÷ 4) – (x + 7)

7 - x + 7

= -x + 14

12. x³ – 4y - (6 + 2)

x³ - 4y - 4

13. 64 ÷ 8) – (x • 6)

= 8 - 6x

14. 72 (4 - 15x)

288 - 1080x

15. 4(√144 + 93)–y

4(12 + 93) - y

= 420 - y

16. 54 + 7y – (8 + 9x)

= 66 + 7y - 9x

Learn more about equations on:

brainly.com/question/2972832

#SPJ1

4 0
2 years ago
Identify the horizontal asymptote of f(x) = 7x+1/2x-9
horrorfan [7]

Answer:

D

Step-by-step explanation:

3 0
3 years ago
4. Plant A is 18 inches tall after one week, 36 inches tall after two weeks.
scoundrel [369]
It is a direct relationship. As the week number goes up, so does the height of the plants.

I hope this helps!
3 0
3 years ago
Factor each expression. 2p³+6p²+3p+9
Natasha2012 [34]
2p^3 + 6p^2 + 3p + 9 \\ \\ 2p^2 (p + 3) + 3(p + 3) \\ \\ (p + 3)(2p^2 + 3) \\ \\

The answer is: (p + 3)(2p² + 3).
6 0
4 years ago
Read 2 more answers
a swimming pool is 130 feet long and the length is 3 times the width plus 10 feet. Let x be the width of the pool. how wide is t
kondor19780726 [428]

Answer:Perimeter of a rectangle is 2*the length plus 2*the width

P = 2L + 2W and P = 130, so

L + W = 65

Three times the length is equal to 10 times the width, giving

3L = 10W

Substituting into the above for L = 65 – W,

3(65 – W) = 10W

195 – 3W = 10W

195 = 13W

W = 195/13 = 15

W = 15 yards,

And L = (10/3)W = (10/3)*15 = 50

L = 50 yards

Step-by-step explanation:

5 0
3 years ago
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