jayv1999
22.07.2021 •
Mathematics
What is the slope of a line that is perpendicular to a line whose equation is 3y=-4x+2?
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Ответ:
Ответ:
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Write a proportion.
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;
Solve for "x" , [ (in units of "h"; (hours) ] ;
Note: "Cross-multiply" ;
Note: Given (a/b) = (c/d) ; → ad = ab ; (b ≠ 0 ; d≠ 0) ;
→ 2x = (0.5 * 3) ;
→ 2x = 1.5 ;
Divide each side of the equation by "2" ;
to isolate "x" on one side of the equation; & to solve for "x" ;
→ 2x / 2 = 1.5 / 2 ;
to get:
→ x = 1.5 / 2 = 15/20 = (15÷5) / (20÷5) = 3/4 ;
or: → x = 1.5 / 2 = 15/20 = (15*5) / (20*5) = 75/100 = 75 ÷ 100 = 0.75 .
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The answer is: " mi. " ; or, write as: " 0.75 mi. " .
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