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Mathematics 21 Online
OpenStudy (anonymous):

can anyone help me wiyh this? Architects often use the equation x + y = 18 to determine the height y, in inches, of the riser of a step when the tread is x inches wide. Express the slope of stairs designed with this equation without using the variable y.

OpenStudy (anonymous):

height =-x+18

OpenStudy (anonymous):

slope = - 1

OpenStudy (anonymous):

thank you, I dont understand the graphs and slopes

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