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Mathematics

2 answers:

MrRissso [65]3 years ago

3 0

I need points soo I can post my question an get help my self...

kogti [31]3 years ago

3 0

Answer:

5x-3y= -15

Step-by-step explanation:

y=m(x)+b

y= (5/3)x - 5

m= slope, which is rise (change in y) over run (change in x), so 5/3

b= the y-intercept, where the line intersects the axis: x=0, in this case -5 is the y-intercept

Then...

Ax+By=C

y-(5/3)x = -5

y-(5/3)x + 5=0

-(5/3)x +y +5=0

multiply times 3 bc you can't have fractions

-5x+3y+15=0

multiply by -1 bc the first number can't be a negative

5x-3y+15=0

5x-3y= -15

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3 years ago

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kenny6666 [7]

The total surface area of the three figures are 702 square feet.

<h3>How to estimate the amount of metal needed to produce a given amount of figures</h3>

According to this problem, we are required to determine the amount of metal needed to build three pieces with the dimensions presented in the figure.

In this case, we need to estimate the total surface area ( $A_{T}$ ), in square feet, required for the production of the three pieces, that is, the product of the number of pieces (n), no unit, and the surface area of each piece (A).