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Olenka [21]
3 years ago
8

Please help, I can’t do this

Mathematics
1 answer:
Musya8 [376]3 years ago
7 0

Answer:

I believe your answer is C

Step-by-step explanation:

m messages times 5 hours = 5m

p messages times 4 hours = 4p

You want total, so 5m + 4p

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4 0
3 years ago
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A bag contains n blue and m red marbles. You randomly pick a marble from the bag, write down its color, and then put the marble
Oksana_A [137]

Answer:

(mn+n²)/(m+n)

Step-by-step explanation:

probability of blue marble= n/(n+m)

probability of red marble= m/(n+m)

probability that process stops = Probability of both blue + probability of both red=  n/(n+m) × n/(n+m) + m/(n+m)×m/(n+m)

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P(1st marbel is blue)= P(blue and red) + P(blue and blue)

                                  = mn/(n+m) + n²/(n+m)

                                   = (mn+n²)/(m+n)

P(1st marble is blue | process stops)= ( (mn+n²)/(m+n)× (n²+m²)/(n+m)²)/ ((n²+m²)/(n+m)²)

= (mn+n²)/(m+n)

3 0
3 years ago
PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPP meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
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Answer: 1. s*h  2. 20.4 hours

Step-by-step explanation:  1. s*h

2. 20.4 hours  hope this helps.

7 0
3 years ago
The cost of 3 kg of apples and 6 kg of oranges is Rs 300. If the cost of 1 kg of oranges is Rs 30, find the cost of 8 kg of appl
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Answer:

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=240

Step-by-step explanation:

6 0
3 years ago
Which linear equation has a negative slope? А y = 6 в у= y = – 50 y = 2x + 5​
iris [78.8K]

Answer:

y = - 50

Step-by-step explanation:

m = slope

5 0
3 years ago
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