Which system is represented by the graph? The graph with X-coordinate marks -20, 0, and 20; Y-coordinate marks -20, 0, and 20. It has two parallel lines. The first line intersects y-axis at (0, 15) and x-axis at (15, 0). The second line intersects y-axis at (0, -15) and x-axis at (-25, 0).

A. 2x + 4y = 28
−2y = x + 28
B. y = 10x − 15
−9x + 2y = 10
C. y = 3x + 10
2x − 3y = −6
D. 2y = 2x + 5
3x − 4y = −5

option 1 is correct.

step-by-step explanation:

y varies inversely with x and constant of variation is 4

the equation will be:

y = k/x

where k =4 so,

y = 4/x

if we put values of x of option 1 in the above equation and find values of y

y = 4/-2 => y =-2

y = 4/-1 => y = -4

y = 4/1 => y = 4

y = 4/2 => y =2

so, all the values of x and y are correct.

if we put values of x given in other options and find value of y we cannot find whole table satisfying the equation.

hence option 1 is correct.

it has 4

step-by-step explanation:

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the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.