Question 1191010
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The equation of any line perpendicular to the line 4x-5y=-10 will have the form 5x+4y=C for some constant C.  Note that to get that form, the two coefficients are switched, and the sign is changed.<br>
To get the equation you want, simply substitute the given values x=6 and y=3 to find the value of C.<br>
5x+4y = 5(6)+4(3) = 30+12 = 42<br>
ANSWER: 5x+4y=42<br>