Mathematics, 23.04.2020 19:31 gaboalejandro833

A box of snack crackers is in the shape of a triangular prism. What is the surface area of the box?

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Answer from: shellxavier1

Slope = 0.500/2.000 = 0.250

x-intercept = 28/-1 = -28.00000

y-intercept = 28/4 = 7

Rearrange:

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

-x+4*y-28-(0*f*o*r*y)=0

Step by step solution :

Step 1 :

Pulling out like terms :

1.1 Pull out like factors :

-x + 4y - 28 = -1 • (x - 4y + 28)

Equation at the end of step 1 :

Step 2 :

Equation of a Straight Line

2.1 Solve -x+4y-28 = 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 -x+4y-28 = 0 and calculate its properties

Graph of a Straight Line :

Calculate the Y-Intercept :

Notice that when x = 0 the value of y is 7/1 so this line "cuts" the y axis at y= 7.00000

y-intercept = 28/4 = 7

Calculate the X-Intercept :

When y = 0 the value of x is 28/-1 Our line therefore "cuts" the x axis at x=-28.00000

x-intercept = 28/-1 = -28.00000

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 7.000 and for x=2.000, the value of y is 7.500. So, for a change of 2.000 in x (The change in x is sometimes referred to as "RUN") we get a change of 7.500 - 7.000 = 0.500 in y. (The change in y is sometimes referred to as "RISE" and the Slope is m = RISE / RUN)

Slope = 0.500/2.000 = 0.250

Geometric figure: Straight Line

Slope = 0.500/2.000 = 0.250

x-intercept = 28/-1 = -28.00000

y-intercept = 28/4 = 7

Step-by-step explanation:

Answer from: Quest

the answer is 15% decrease

Answer from: Quest

Ithink you're supposed to multiply 12.50 which is how much he makes per hour and then multiply it by each number then add whats left togrther and there's your answer

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