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2 years ago

What is the slope of the line containing the points (-2, 1) and (4, -3)?

Mathematics

1 answer:

Kay [80]2 years ago

8 0

Step-by-step explanation:

the slope is always the ratio "y coordinate charge / x coordinate change" when going from one point on the line to another.

so, when going from (-2, 1) to (4, -3)

x changes by +6 (from -2 to 4).

y changes by -4 (from 1 to -3).

therefore, the slope is

-4/+6 = -4/6 = -2/3

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3 years ago

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omeli [17]

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If A and B are dependent events, then we have a Rule of Addition:

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$P(A)=0.42\\P(B)=0.31\\P(A \cup B)=0.56\\\\$

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Using Rule of Addition, we get:

$0.56=0.42+0.31-P(A \cap B)\\\\0.56=0.73-P(A\cap B)\\P(A\cap B)=0.73-0.56\\P(A\cap B)=0.17$

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4 years ago