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3 years ago

100 points! PLEASE HELP! I have NO Idea what to do! Please explain clearly on what to do and you get brainiest!!!!!!

Mathematics

2 answers:

Advocard [28]3 years ago

5 0

Answer:

m=2/3

Step-by-step explanation:

The question is asking for the slope of the line. The standard form of a linear equation is y=mx+b where m is the slope. To find the slope you simply look at the change in y over the change in x. You can pick any two coordinate points to find the slope.

Here is the equation to find the slope; $(y_{1} -y_{2}) /x_{1}-x_{2}$

I am picking the points (0,-2) and (3,0). Plug your points into the equation above- (-2-0=-2) and (0-3=-3) -2/-3= 2/3 (two negatives divided by each other make a positive.

LiRa [457]3 years ago

3 0

Answer:

The slope, m, is 2/3

Step-by-step explanation:

You need to find the slope (m)

Pick to points on the line and find the coordinates

One point is (0,-2) and another point is (3,0)

We can use the slope formula

m = ( y2-y1)/(x2-x1)

= (0 - -2)/(3-0)

= (0+2)/(3-0)

= 2/3

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3 years ago

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Simplify and solve this equation 4m+9+5m-12=42

Ad libitum [116K]

Here is my answer. hope it helps!

8 0

4 years ago

Read 2 more answers

Pls help or explain steps

Tems11 [23]

Solving for a variable means to rewrite the equation so that the desired variable is alone on one side. So, we have to "move" all the other variables/constants in order to make this happen. We are allowed to add/subtract the same quantity from both sides, or to multiply/divide both sides by any non-zero number.

Let's start with the first example: we are given

11. $d=rt$

the variable $r$ is not alone on the right hand side because it is multiplied by $t$ . We can reverse this by dividing both sides by $t$ : the equation becomes

$\dfrac{d}{t}=\dfrac{rt}{t}=r$

So, we have written the equation as $r=\frac{d}{t}$ , which means that $r$ now sits alone on one side of the equation, and thus we have solved the equation for $r$ !