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raketka [301]
3 years ago
12

The graph shows the relationship between the cost of dinner and the number of plates purchase Dinner Party Plates Purchased Whic

h function best represents the relationship shown in the graph?​

Mathematics
2 answers:
cestrela7 [59]3 years ago
7 0

Answer:

c

Step-by-step explanation:

hope it helps:)

nikklg [1K]3 years ago
4 0

Answer:

D y=30x

Step-by-step explanation:

hope i helped

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Joe went to the store and bought 4 cans of peanuts for $7.80 .What is the constant of proportionality?
Paladinen [302]

Answer:

$1.95 for one can of peanuts.

Step-by-step explanation:

4 0
3 years ago
Jack's father is three times older than Jack. Five years ago, the sum of their ages was 34. How old is Jack's father now?.
Allisa [31]

Answer:

jacks father is x

jack is 3x

34 =

5 0
3 years ago
A manufacturing company produces steel housings for electrical equipment. The main component part of the housing is a steel trou
Mrrafil [7]

Answer:

Check the explanation

Step-by-step explanation:

(a)

H0: Population mean = 8.46

H1: Population mean is not equal to 8.46

The test statistic (t) is given by the following expression -

{t=\frac{\overline{x}-\mu_0}{s/\sqrt{n}}}

We have calculated the sample mean (8.421) and sample standard deviation (0.0461). Therefore, the test statistic (t) will be -

t = (8.421 - 8.46)/(0.0461/sqrt(49)) = -5.92

The left-sided critical value from t-distribution (two-tailed) is -2.01. Thus the test statistic falls in the rejection region and we reject the null hypothesis at 95% confidence level and conclude that the population mean is different from 8.46 inches.

(b)

There are the following four assumptions for a single sample t-test.

The observations are in ratio scale.

The observations have been taken in such a manner that every single observation is independent and uncorrelated from the others.

There should not be any significant outliers in the sample observations.

The sample data should be approximately normal.

(c)

The first assumption is true as the data is in inches. The second assumption cannot be tested now. It will depend upon the situation and study design which we assume as correct in this case. The third assumption is checked by plotting a box plot and finding the outliers. The final assumption can be checked using the Anderson-Darling normality test.

Kindly check the graphical table in the attached images below.

(d)

The data is normal (the p-value of Anderson-Darling test in > 0.05). However, two points in the Box plot are outliers though not grossly different from the entire sample data set. So, we conclude that the assumptions are valid in this case for conducting the t-test.

7 0
3 years ago
MODELING REAL LIFE You purchase a car from a dealership for $10,000. The trade-in value of the car each year after the purchase
Crazy boy [7]

Answer:7500

Step-by-step explanation:

4 0
1 year ago
The parents organization bought 1,000 bumper stickers at $1.25 each to sell at football games.They want to make at least $750 pr
yuradex [85]
1000 x 1.25 = 1250  
1000 x 2 = 2000
2000 - 1250 = 750 
2000 divided by 1000 = 2

They should sell the bumper stickers for $2 each.
Hope this helped =)
5 0
3 years ago
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