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Artemon [7]
3 years ago
14

You are the foreman of the Bar-S cattle ranch in Colorado. A neighboring ranch has calves for sale, and you are going to buy som

e calves to add to the Bar-S herd. How much should a healthy calf weigh? Let x be the age of the calf (in weeks), and let y be the weight of the calf (in kilograms).
x 3 4 11 16 26 36
y 38 51 74 100 150 200
Complete parts (a) through (e), given Σx = 96, Σy = 613, Σx^2 = 2374, Σy^2 = 82,021, Σxy = 13,832, and r = 0.998
(a) Draw a scatter diagram displaying the data

Mathematics
1 answer:
dmitriy555 [2]3 years ago
3 0

Answer:

When you have two sets of data, one that represents an independent variable (X) and another that represents a dependent variable (Y) (it is a response of the first variable). A diagram called scatterplot can be generated to present the ordered pairs (X, Y) in the Cartesian plane to see how the two variables are related.

In this case the independent variable (X) is the age variable of the calf and the dependent variable (Y) is the weight of the calf.

The diagram can be seen in the attached file.

Step-by-step explanation:

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A motel rents double rooms at $34 per day and single rooms at $26 per day. If 26 rooms were rented one day for a total of $804,
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Answer: 16 double rooms and 10 single rooms were rented.

Step-by-step explanation:

Let x represent the number of double rooms that were rented.

Let y represent the number of single rooms that were rented.

The total number of rooms rented in a day is 26. It means that

x + y = 26

A motel rents double rooms at $34 per day and single rooms at $26 per day. If all the rooms that were rented for one day cost a total of $804, it means that

34x + 26y = 804 - - - - - - - - - - -1

Substituting x = 26 - y into equation 1, it becomes

34(26 - y) + 26y = 804

884 - 34y + 26y = 804

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y = - 80/ - 8 = 10

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x = 16

5 0
3 years ago
carla can type 265 characters a minute on her keyboard. at that rate, how many characters can she type in 15 minutes?
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Read 2 more answers
city workers are paving a street that is 1 1/2 miles long. if they repave 1/4 mile per day, how long will it take to repave the
Pie
The question is to find out how many times 1/4 is equal to 1 1/2
First lets convert the total:
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now we need to find out a number that multiplied by 1/4 gives 3/2, that is an equation:
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2 years ago
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