Mathematics: Help me ya ll so i can go to bed! (slopes) (brainliest)

Help me ya ll so i can go to bed! (slopes) (brainliest)

Ответ:

mathiscool7

12.02.2021

Mathematics

i dont know

what you wanna know

Step-by-step explanation:

Identify the coordinates (x₁,y₁) and (x₂,y₂). We will use the formula to calculate the slope of the line passing through the points (3,8) and (-2, 10).

Input the values into the formula. ...

Subtract the values in parentheses to get 2/ (-5).

Simplify the fraction to get the slope of -2/5.

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Ответ:

fatherbamboo

12.02.2021

Mathematics

Go to sleep this is a lullaby slopes slopes slopes over here over there slopes everywhere.

thx for points

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Ответ:

marco1604

24.10.2021

Mathematics

In the form of (x,y) there are 2 solutions:

(-3,4)

(-24/5, -7/5)

Step-by-step explanation:

First isolate one of the letters (for me I'm using the y of equation 2 because it's easier to solve)

$y-3x=13\\y=13+3x$

Now that we have y isolated, substitute y in equation 1 with the equation we got previously (y=13+3x)

x^2+(13+3x)^2=25

Now simplify:

$x^2+(13+3x)^2=25\\x^2+9x^2+78x+169=25\\10x^2+78x+169=25$

Now turn the equation into ax^2+bx+c=0 form by transferring 25 to the other side of the equation:

$10x^2+78x+169=25\\10x^2+78x+169-25=0\\10x^2+78x+144=0$

Using the quadratic formula we will have the 2 following values:

x=-3

$x=-\frac{24}{5}$

Substitute the following values into any equation you want (this time I'll pick equation 2 again since its the easiest to solve)

$y-3x=13\\y-3(-3)=13\\y-(-9)=13\\y+9=13\\y=13-9\\y=4$

$y-3x=13\\y-3(-\frac{24}{5})=13\\y-(-\frac{72}{5})=13\\y+\frac{72}{5}=13\\y=13-\frac{72}{5}\\y=-\frac{7}{5}$

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Help me ya'll so i can go to bed! (slopes) (brainliest)

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