Is y=2x+3 a proportional relationship?
1 answer:
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The formula of a distance between two points:
We have the points (-1, 8) and (5, -2). Substitute:
It is given in the question that
Steven is solving the equation
He begins with the following two steps.
And we have to find , what will be the next step in solving the equation.
First we combine the like terms. And the like terms are 24 and 40. So we have to add 24 and 40. And that will be the next step.
So the correct option is the last option.
Answer:
<em>a. 2,520,000.00</em>
<em>b. $1,942,017.51</em>
<em>c. $577,982.49</em>
Step-by-step explanation:
<u>Distances in a Rectangle</u>
a.
Running the cable along the edges of the field would need a total length of 860 ft + 340 ft = 1,200 ft of cable. The unit cost of the cable is $2,100 per foot, thus the cost of the total lenght of cable was 2,100*1,200= $2,520,000.
b. If the cable ran along the diagonal, the distance must be computed by
where x = 860 ft and y = 340 ft, thus
D = 924.77 ft. The cost of the cable would be 2,100*924.77= $1,942,017.51
c. The savings if the cable were installed along the diagonal of the field instead of around the edges of the field would be
$2,520,000 - $1,942,017.51 = $577,982.49