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m_a_m_a [10]
2 years ago
5

Find the slope and y-intercept for this table.​

Mathematics
1 answer:
labwork [276]2 years ago
8 0

Answer:

See below:

Step-by-step explanation:

To find the slope, we use the following formula:

\frac{y_{2} - y_{1} }{x_{2} - x_{1} }

For this case, we can use (6,60) as the first set of points.

We can use (4,70) as the second set of points.

Now, we can use the formula, 70-60 is for the top of the fraction (10)

We can do 4-6 to find the bottom, which is (-2)

Now, if we add the fraction back we get -> 10/-2 which is -5 for slope!

To find out the y intercept, it in simple words is "What is y when x is 0?".

We can do that by using the slope intercept formula: y=mx+b.

Once we insert our slope which is -2 we get: y=-2x+b

We can now substitute a point, lets use (6,60) so we can find out b.

We now get the equation: 60=-5(6)+b.

If we solve for that we get 90!

Once we input that, we get, y=-5x+90

Now we put in x as 0 and we get our y intercept as 90!

If this answer helped, consider marking as brainliest!!

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Vita saved $72 last December. This amount represents 2/9 of the total amount she saved last year. What is the total amount Vita
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\dfrac{2}{9} \text { of the saving} = \$72

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Find 1/9 :
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\dfrac{1}{9} \text { of the saving} = \$72 \div 2

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Answer: The total amount is $324.
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