How do you find rhe slope of (12,-18) and (-15,-18)

Answers

Answer 1
Answer: slope of 2 points is
if you has the points
(x1,y1) and (x2,y2)

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

we are given
(12,-18)
(-15,-18)

we can either take shortcut and recocnize that -18-(-18)=0 so that make the slope 0

or we can continue
(-18-(-18))/(-15-12)=0/-27=0


slope=0
Answer 2
Answer: you do Y2-Y1/ X2-X1, so -18--18(change sighn so it would be -18+18) which equals 0, then -15-12= -27, 0/-27= 0 so the slope would be 0

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Write an equation of a line that has the same slope as 2x – 5y = 12 and the same y-intercept as 4y + 24 = 5x.y = 1/6x - 5/2
y = 2/5x - 6
y = 6x - 2/5
y = 5/2x - 6

Answers

in ax+by=c form
slope=-a/b

y intercept is when x=0


sloope of 2x-5y=12 is -2/-5=2/5

y intercept of 4y+24=5x
4y+24=5(0)
4y+24=0
4y=-24
y=-6
y int=-6

y=mx+b
m=slope
b=y intercept
y=2/5x-6

answer is 2nd optoin

Of 60 students in a class 2/3 are girls, and 2/5 of the class are taking music lessons. What is the maximum number of girls that are not taking music lessons?

Answers

24 girls. Because 60/3=20 20*2=40. So than u do 40/5=8 8*2=16 40-16=24.

What is the range of the function below in set builder notation? y=|x-3|

Answers

Answer:  \{y | \ y \in \mathbb{R}, \ y \ge 0\}

This translates to "y is any real number such that it is 0 or larger".

The reasoning is that the result of any absolute value function is either 0 or positive. In other words, we'll never get a negative result of an absolute value function. This is due to how absolute value represents distance. Negative distance does not make sense.

So if y = |x-3| then y = 0 is the smallest output possible. We could have any positive output we want.

In terms of a graph (see below), the V shape is at the lowest point (3,0). The y coordinate is all we care about in terms of finding the range. So we see the lowest y value is y = 0.

If m is the midpoint of xy find the coordinates of x if m -3,-1 and y -8,6

Answers

Answer:

To find the coordinates of x, we can use the midpoint formula, which says that the midpoint of a line segment is the average of the x-coordinates and the y-coordinates of the endpoints12. That is:

m=(2x1​+x2​​,2y1​+y2​​)

In this case, we know that m is (−3,−1) and y is (−8,6). We can plug these values into the formula and solve for x:

(−3,−1)−3−6x−1−2−8​=(2x+(−8)​,2−1+6​)=2x−8​=x−8=2=2−1+6​=−1+6=6​

Therefore, x is (2,−8). You can check your answer by plugging it back into the midpoint formula and see if you get m.

I hope this helps

Step-by-step explanation:

How do u find the slope of this lol

Answers

It should be 6/2 or 4

Answer:

y=3x+6

Step-by-step explanation:

3 is the slope

6 is the y intercept

remember rise/run

•first find VISIBLE points and count squares up and then right or down and left depending on if its negative slope or not

Which graph represents the solution set of the system of inequalities?

Answers

Answer:

D (right-down graph)

Step-by-step explanation:

y = ax+b - linear function,

a>0 - ascending

a<0 - descending

y=\frac13x-3 - ascending function, because a=\frac13, so a>0

y=-3x-3 - descending function, cause a=-3, so a<0

We refuse both graphs on the left side, these are two ascending functions

y\ge\frac13x-3 is the area above the ascending function y=\frac13x-3

y<-3x-3 is the area below the descending function

This causes that D (right-down graph) is a correct answer