3 years ago

Do all three please help

Mathematics

1 answer:

sattari [20]3 years ago

7 0

Step-by-step explanation:

14)

30$ a day

y=30*d

15)

$y = \frac{1000}{e}$

16)

earns $45 per hour and spends $20

y=45* x -20

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Rom4ik [11]

Answer:

-6/7

Step-by-step explanation:

The slope of the line perpendicular to DE is the negative reciprocal of the slope of DE. The slope of DE is ...

(change in y)/(change in x) = (y2 -y1)/(x2 -x1) = (-3-4)/(1-7) = -7/-6 = 7/6

The inverse of that is 6/7, and the opposite of that inverse is -6/7.

The slope of the line perpendicular to DE is -6/7.

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