Mathematics, 15.12.2020 17:50 misslux

Solve the following equation for y
24x - 8y = 72
I need help right now as fast as u can

Answers: 1

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Answer from: kquestion

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

24*x-8*y-(72)=0

STEP

Pulling out like terms

1.1 Pull out like factors :

24x - 8y - 72 = 8 • (3x - y - 9)

Equation at the end of step

STEP

Equations which are never true:

2.1 Solve : 8 = 0

This equation has no solution.

A a non-zero constant never equals zero.

Equation of a Straight Line

2.2 Solve 3x-y-9 = 0

Tiger recognizes that we have here an equation of a straight line. Such an equation is usually written y=mx+b ("y=mx+c" in the UK).

"y=mx+b" is the formula of a straight line drawn on Cartesian coordinate system in which "y" is the vertical axis and "x" the horizontal axis.

In this formula :

y tells us how far up the line goes

x tells us how far along

m is the Slope or Gradient i.e. how steep the line is

b is the Y-intercept i.e. where the line crosses the Y axis

The X and Y intercepts and the Slope are called the line properties. We shall now graph the line 3x-y-9 = 0 and calculate its properties

Graph of a Straight Line :

Calculate the Y-Intercept :

Notice that when x = 0 the value of y is 9/-1 so this line "cuts" the y axis at y=-9.00000

y-intercept = 9/-1 = -9.00000

Calculate the X-Intercept :

When y = 0 the value of x is 3/1 Our line therefore "cuts" the x axis at x= 3.00000

x-intercept = 9/3 = 3

Calculate the Slope :

Slope is defined as the change in y divided by the change in x. We note that for x=0, the value of y is -9.000 and for x=2.000, the value of y is -3.000. So, for a change of 2.000 in x (The change in x is sometimes referred to as "RUN") we get a change of -3.000 - (-9.000) = 6.000 in y. (The change in y is sometimes referred to as "RISE" and the Slope is m = RISE / RUN)

Slope = 3

Geometric figure: Straight Line

Slope = 3

x-intercept = 9/3 = 3

y-intercept = 9/-1 = -9.00000

Answer from: Quest

step-by-step explanation:

mean or average is 40.6

Answer from: Quest

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step-by-step explanation:

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Solve the following equation for y
24x - 8y = 72
I need help right now as fast as u can...

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