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agasfer [191]
3 years ago
6

In your own words, explain the steps you would need to take to find slope from data in a table.

Mathematics
2 answers:
pantera1 [17]3 years ago
8 0

Answer:

The first step to find slope in a data table is to pick 2 points you want to use. Then you want to find the difference between the second points y value and the first points y value. Then finally you want to divide that number by the difference between the second x value and the first x value, which the equation Y2-Y1/X2-X1 will do that.

Step-by-step explanation: Worked on edge. Happy solving!

kakasveta [241]3 years ago
6 0
Look at the x and y values and determine the relationship. For example, if the x values were 0, 1, 2, 3 and the y values were 1, 3, 5, and 7, you could see the slope equation was 2x+1. Another way you could do it is to input the values into a graphing calculator and it can determine the slope for u.
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Sam and Mary collect marbles. “If you give me 5 marbles I’ll have twice as many as you.” said Sam to Mary.
ivann1987 [24]

Answer:

54 marbles

Step-by-step explanation:

The question is a word problem leading to a simultaneous equation

Let 'x' represent the initial number of marbles with Sam, and let 'y' represent the initial number of marbles with Mary,

If Mary gives Sam 5 marbles, we have;

x + 5 = 2 × (y - 5)...(1)

If Sam gives Mary 4 marbles, we get;

x - 4 = y + 4...(2)

From equation (1), we get;

x + 5 = 2 × (y - 5) = 2·y - 10

x = 2·y - 10 - 5 = 2·y - 15

x = 2·y - 15...(3)

From equation (2), we have;

x - 4 = y + 4

∴ x = y + 4 + 4 = y + 8

x = y + 8...(4)

Equating the two values of 'x' in equation (3), and equation (4), we get;

2·y - 15 = y + 8

2·y - y = 8 + 15 = 23

∴ y = 23

From equation (4), we get;

x = y + 8 = 23 + 8 = 31

x = 31

The total number of marbles they have altogether = x + y

However, x + y = 23 + 31 = 54

Therefore;

The total number of marbles they have altogether = 54 marbles.

7 0
3 years ago
If x = 2.7, 5x = ____. (Input decimals only, such as 12.7.)
lukranit [14]

Answer:

5x=13.5

Step-by-step explanation:

Well, we know that 1x=2.7. So, if we want 5x we need to multiply 2.7*5 becuase 1x=2.7, so 5x=2.7*5.

Multiply. 2.7*5=13.5

So, 5x=13.5.

Hope this helps!

5 0
3 years ago
Read 2 more answers
16= how many ones?<br> 817= how many hundreds/ones ?<br> Thanks <br> I need ASAP homework
Mice21 [21]
16= 6 ones or 16 ones
817= 8 hundreds and 7 ones or 17 ones

Hope this helps! :D
6 0
2 years ago
4) What is the total cost (tax and price) on a purchase of $108.50 if the sales tax is 8%?
vitfil [10]
Answer: C)$117.18

$108.50 X 1.08 = $108.50
4 0
2 years ago
What does it mean to say a data point has a residual of 0
slava [35]
The point lies directly on the regression line.
3 0
3 years ago
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