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posledela
1 month ago
6

A direct variation function contains the points (–8, –6) and (12, 9). Which equation represents the function? y = –4/3x y = –3/4

x y =3/4x y = 4/3x
Mathematics
1 answer:
Zina [12.3K]1 month ago
8 0

Answer:

First, we must calculate the slope

m=Y2-Y1/X2-X1

= 9 - (-6) / 12 - (-8)

= 15/20

= 3/4

Therefore, the equation with the slope of 3/4 is Y=3/4x

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Sam allocated $48,000 with 6% interest and the remainder at 10%. He earned a total of $4,000 in interest over the course of one year, and now we need to determine the amount invested at each rate.

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(\frac{6}{100} \times x)+(\frac{10}{100} \times [48000-x])=4000

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