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Neporo4naja [7]
3 years ago
13

Add the equations. 2x - 3y = -1 + 3x+3y= 26

Mathematics
2 answers:
Basile [38]3 years ago
4 0

5x=25

Because negative 3y and positive 3y got cancelled

maks197457 [2]3 years ago
3 0

Answer:

See below.

Step-by-step explanation:

2x -    3y  = -1

+ 3x + 3y = 26      Adding ( Note -3y + 3y = 0):

5x = 25.

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Answer:

0.3339 = 33.39% probability that both Dave and Mike will show up

Step-by-step explanation:

Probability of independent events:

If A and B are independent events, the probability of both happening at the same time is given by:

P(A \cap B) = P(A)P(B)

In this question:

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Christine knows that there is a 47% chance that Dave will not show up and a 37% chance that Mike will not show up.

This means that P(A) = 1 - 0.47 = 0.53, P(B) = 1 - 0.37 = 0.63.

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