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kati45 [8]
3 years ago
5

A proportional relationship is shown in the graph below

Mathematics
1 answer:
Andru [333]3 years ago
4 0
I can’t see the bottom of the graph so the answer I can give you is: (8,4) in dictates the cost of 4$ per 8 cartons of milk.

Cartons can be replaced with try bottom variable ( milk)
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2x+3+x=18 can you guys help the developer solve this
emmainna [20.7K]

2x+3+x=18

2x+x= 3x

3x+3=18

18 - 3 = 15

3x = 15

x = 3

3 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B6%7D%7B15%7D" id="TexFormula1" title="\frac{6}{15}" alt="\frac{6}{15}" align="absmid
aleksklad [387]
So what you do,is you add them together to get 13/10 but then you can also simplify it but you can keep the answer to 13/10
3 0
2 years ago
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How do you solve a system of linear equations by graphing? ​
Sergeeva-Olga [200]

9514 1404 393

Explanation:

This is a self-answering question: you solve it by graphing the equations.

<em>The solution is where the lines intersect</em>. The point of intersection of the lines is the point that satisfies all the equations for the lines, hence is a solution to the system. If they do not intersect, there are no solutions. If the lines are coincident, there are an infinite number of solutions.

__

The equations can be graphed by any of a number of methods. (My favorite is to let a graphing calculator do it.) The method of choice depends on the coefficients and the form the equations are given in. Methods of graphing are a topic for a more lengthy discussion.

6 0
3 years ago
Suppose the line of best fit is being found for some data points that have an r-value of 0.657. If the standard deviation of the
oksian1 [2.3K]
We are given a line with the following data:

r-value = 0.657 (r)
standard deviation of x-coordinates = 2.445 (Sx)
standard deviation of y-coordinates = 9.902 (Sy)

We are asked to find the slope of the line up to 3 decimal places.

To find the slope of the line, based on the data that we have, we can use this formula:

slope, b = r * (Sy / Sx) 

substitute the values to the formula:

b = 0.657 * ( 9.902 / 2.445 )

Solve for the b.

Therefore, the slope of the line is 

b = 2.66078, round off to three decimal places:

b = 2.661 is the slope of the line. 
5 0
3 years ago
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Write the standerd form for thirty thousand,four hundred five and three thousandths.
sveta [45]
30 Thousand: 30,000
4 Hundred and Five: 405
3 Thousandths: 3/1000
Final Answer; 30,405 \frac{3}{1000}
6 0
3 years ago
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