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2 years ago

6

Claire is that in the first five years between 1977 in 1980 to the hospital about $12 per year are in the second five years betw

een 1983 in 1888 the causal only by about two dollars a year show that Claire is correct

1 answer:

Musya8 [376]2 years ago

7 0

Answer:

Step-by-step explanation:

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(-4+6i) + (-6-2i)<br> How do I solve

elena55 [62]

Answer:

(-4+(-6))+(6i-2i)

(-10+4i)

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2 years ago

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A dining set is priced at $785. If the sales tax is 7 percent, what is the cost to purchase the dining set? Round to the nearest

nalin [4]

Answer:

$839.95

Step-by-step explanation:

Sales tax = 7 % × cost

Sales tax = 0.07 × 785

Sales tax = $54.95

=====

Cost = price + sales tax

Cost = 785 + 54.95

Cost = $839.95

The cost to purchase is $839.95.

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2 years ago

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Dean Halverson recently read that full-time college students study 20 hours each week. She decides to do a study at her universi

romanna [79]

Answer: The p-value is 0.154.

Step-by-step explanation:

Since we have given that

We claim that

Null hypothesis :

$H_0:\mu=20$

Alternate hypothesis :

$H_1:\mu$

Population mean = 20 hours

Sample mean = 18.5 hours

Sample standard deviation = 4.3 hours

Sample size n = 35

So, test statistic would be

$z=\dfrac{\bar{X}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\\\\z=\dfrac{18.5-20}{\dfrac{4.3}{\sqrt{35}}}\\\\z=\dfrac{-1.5}{0.726}\\\\z=-2.066$

So, the p value would be 0.154.

Hence, the p-value is 0.154.

4 0

2 years ago

Write an expression that is equivalent to (3+14)+27

Julli [10]

Answer:

44

Step-by-step explanation:

1. (3+14)=17

2. 17 + 27= 44

3 0

2 years ago

Help plz show work plz

Feliz [49]

Answer: c) 286.5 in²

<u>Step-by-step explanation:</u>

S.A.= 2π r · h

= 2π (7.3/2) · 12.5

= 2π (3.65) (12.5)

= 286.5

6 0

3 years ago