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Yuri [45]
3 years ago
11

A company can produce 300 ballpoint pens or 550 gel pens each hour. Each weekday the company produces ballpoint pens for 5 hours

and gel pens for 8 hours. How many pens does the company produce in 5 weekdays?
Mathematics
1 answer:
bagirrra123 [75]3 years ago
5 0
300×5=1,500

550×8=4,400

4400+1500=5,900
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Which is a composite number<br> 81<br> 61<br> 71<br> 41
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Answer:

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Step-by-step explanation:

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Eric's class consists of 12 males and 16 females. If 3 students are selected at random, find the probability that they
Reptile [31]

Answer:

The probability that all are male of choosing '3' students

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Step-by-step explanation:

Let 'M' be the event of selecting males n(M) = 12

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n(M) = 28C_{3} = \frac{28!}{(28-3)!3!} =\frac{28 X 27 X 26}{3 X 2 X 1 } = 3,276

Number of ways of choosing 3 students From all males

n(M) = 12C_{3} = \frac{12!}{(12-3)!3!} =\frac{12 X 11 X 10}{3 X 2 X 1 } =220

The probability that all are male of choosing '3' students

P(E) = \frac{n(M)}{n(S)} = \frac{12 C_{3} }{28 C_{3} }

P(E) =  \frac{12 C_{3} }{28 C_{3} } = \frac{220}{3276}

P(E) = 0.067 = 6.71%

<u><em>Final answer</em></u>:-

The probability that all are male of choosing '3' students

P(E) = 0.067 = 6.71%

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viva [34]

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