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Effectus [21]
2 years ago
5

Choose the equation that satisfies the data in the table.

Mathematics
1 answer:
torisob [31]2 years ago
4 0

Answer:

y=-4\,x-4   which agrees with answer "A" in the list of possible options

Step-by-step explanation:

From the fact that there is a steady rate of increase in the x and in the respective y values (notice that x increases in steps of 1 unit, and at the same time y values increase in steps of "-4" units) the data belongs to the equation of a line.

We can determine that equation using just two pairs of points, like for example (-1, 0) and (0, -4).

We first find the slope using the slope formula for the segment that joints any two points on the plane:

slope=\frac{y_2-y_1}{x_2-x_1} \\slope=\frac{-4-0}{0-(-1)}\\slope = -4

we now write the slope-intercept general form of a line with slope "-4", and solve for the intercept by using the point (0,-4) which should be in the line:

y=m\.x+b\\y=-4\,x+b\\-4=-4\,(0)+b\\b=-4

Therefore the equation for this points is:

y=-4\,x-4

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When a 40% of a number is added to the number and the result is 126 , what is the number ?
kozerog [31]

it would be 315. The simplest way to doing this would be by, first , doubling the number to make 252 which would add up to be 80%, and then divide 126 by 2 to get 63 which would be 20% ad by adding them all together you would get 315, which is equal to 100%.

5 0
3 years ago
What is the simple list form of 2/1240
Scrat [10]
1/620 is the simplest form of 2/1240
all you had to do was simplify
2 divided by 2=1
1240 divided by 2=620 <span />
7 0
3 years ago
Read 2 more answers
Can someone help me convert each of these into improper fractions?
mariarad [96]

Answer:

(\frac{6}{1})(\frac{11}{4}  )

(-\frac{10}{3})(-\frac{17}{5})

(-\frac{9}{2} )(\frac{26}{3} )

(\frac{11}{6})(-\frac{9}{1}  )

Step-by-step explanation:

I hope this help you

8 0
2 years ago
What is the slope of this line? -2x + 3y =-6
valkas [14]

Answer:

Slope: 2/3

Step-by-step explanation:

You have to first write the equation into slope-intercept form...

y = mx + b

So...

-2x + 3y = -6

becomes...

3y = 2x - 6

y = 2/3x - 2

Which means...

2/3 is the slope

Hope this help :)

Let me know if there are any mistakes!!

4 0
2 years ago
Peaches are on sale for 0.95 cents per pounds if i have 2.75 pounds how much did i pay for the peaches?
Dennis_Churaev [7]

Answer:

$2.61

Step-by-step explanation:

I think you mean 0.95 dollars per pound. 0.95 cents means it's less than a dime per pound.

7 0
3 years ago
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