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lina2011 [118]
2 years ago
14

Graph y=8.5xy=8.5xy, equals, 8, point, 5, x.

Mathematics
1 answer:
Morgarella [4.7K]2 years ago
3 0

Answer:

  • A, B, E

Step-by-step explanation:

<u>Given equation</u>

  • y = 8.5x

<u>Answer choices</u>

A. The equation represents a proportional relationship.

  • TRUE, it is in the form of y = kx

B. The unit rate of change of y with respect to x is 8.5

  • TRUE, y = mx + b, the slope m = 8.5 is the rate of change

C. The slope of the line is 2/17

  • False, the slope is 8.5

D. A change of 17 units in x results in a change of 2 units in y.

  • False, a change of x = 17 results in 17*8.5 = 144.5 units in y

E. A change of 4 units in x results in a change of 34 units in y.

  • TRUE, because 4*8.5 = 34
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C is the correct one

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Euler's Formula states that:

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If A and B are independent, then P(A\cap B)=P(A)P(B).

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P(A\cup B)=0.5+0.2-0.5\cdot0.2

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b. I'm guessing the ? is supposed to stand for intersection. We can use DeMorgan's law for complements here:

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P(A^c\cup B^c)=P(A\cap B)^c=1-P(A\cap B)=1-P(A)P(B)

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