Is y=4x-11 and y=1/4+4 perpendicular

no

Step-by-step explanation:

the lines are only perpendicular when their slopes are the opposite sign and the are the reciprocal of the slope.

ex) y = 2/3x + 6 is perpendicular to the line y = -3/2x + 9

so in this case y = 4x - 11 would be perpendicular to the line y = - 1/4x + 4

just add a negative sign on 1/4 and it'll be perpendicular

hope this helps !

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134.6 us dollars

step-by-step explanation:

1 us dollar = 1.33 canadian dollars

so, 150 us dollars = 150 × 1.33 = $199.5.

in canada, the money mitchell spent = 20 canadian dollars.

remaining canadian dollars with him = 199.5 - 20 = 179.5.

after mitchell returned to us, he exchanged the remaining canadian dollars to us dollars.

179.5 canadian dollars = 179.5 × 0.75 = 134.6 us dollars.