2 years ago

(1,-3) and (-2,4) what’s the slope

Mathematics

1 answer:

Natasha2012 [34]2 years ago

7 0

Answer:

The slope is -7/3

Step-by-step explanation:

Rise 7 over run 3

Hope this helps you

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Substitution method x=2y 2x+5y=4

Dvinal [7]

Answer:

y=4/9

Step-by-step explanation:

Substitute 2y into the x

2(2y)+5y=4

4y+5y=4

9y=4

y=4/9

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2 years ago

13 erasers in your backpack is considered a what?

bogdanovich [222]

Hoarder of erasers :o

Is this suppose to be a riddle or sum

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3 years ago

Which of the following is an example of why writing skills are important in the workplace?

Anarel [89]

Answer is C

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3 years ago

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Simplify (7/9a+9/7b)^2-ab

lianna [129]

Ab+49/81a^2+81/49b^2

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2 years ago

Which is the equation of Line B?

notka56 [123]

Slope-Intercept Form: y = mx + b, with m = slope and b = y-intercept
Slope Formula: $\frac{y_2-y_1}{x_2-x_1}$

So firstly, to find the slope of this equation, plug the two points, (1,1) and (-3,2), into the slope formula and solve as such:

$\frac{1-2}{1-(-3)}=-\frac{1}{4}$

Next, plug either one of the points into the x and y coordinates to solve for b as such:

$2=-\frac{1}{4}*-3+b\\2=\frac{3}{4}+b\\\frac{5}{4}=b$

Our final equation is $y=-\frac{1}{4}x+\frac{5}{4}$ , or the third option.

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2 years ago