3 years ago

Need some figuring out which sentence has one solution,no solution, and infinite solution.

Mathematics

1 answer:

dolphi86 [110]3 years ago

4 0

Answer:

the second one

Step-by-step explanation:

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Step-by-step explanation:

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IgorLugansk [536]

Answer:

$P(C\ or\ D) = 1$

Step-by-step explanation:

Given

$P(C) = \frac{3}{7}$

$P(D) = \frac{4}{7}$

Required

$P(C\ or\ D)$

Since the events are mutually exclusive, then:

$P(C\ or\ D) = P(C) + P(D)$

So, we have:

$P(C\ or\ D) = \frac{3}{7} + \frac{4}{7}$

Take LCM

$P(C\ or\ D) = \frac{3+4}{7}$

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$P(C\ or\ D) = 1$

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