2 years ago

Please help !!!! it would really help me please answer right

Mathematics

1 answer:

Lynna [10]2 years ago

4 0

Answer:

Step-by-step explanation:

hope this helps

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Collins was 7 years 3 months old when he joined school. Today he is 13 years and 2 months. For how long has he been in school?

ivann1987 [24]

Answer:

He is about 6 years old (5 years 11 months)

Step-by-step explanation:

13 - 7 and 3 - 2

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2 years ago

What is 0.5, 3/16, 0.75, and 5/45 from least to greatest

BartSMP [9]

5/45, 3/16, 0.5, & 0.75

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2 years ago

Jordie is getting balloons for his aunt's birthday party. He wants each balloon string to be 12 feet long. At the party store, s

geniusboy [140]

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216 yards

Step-by-step explanation:

You'd multiply the amount of string for each balloon (12 feet) by the 54 balloons he needs, and you get 648 feet. There are 3 feet in a yard so then you would divide 648 by 3 and get 216 yards

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1 year ago

Consider the dot plot which shows the distribution of data collected on the amount of time Marty spends playing video games each

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Step-by-step explanation:

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3 years ago

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

P(E) = 0.067 = 6.71%

Step-by-step explanation:

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

Number of ways of choosing 3 students From all males and females

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

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%

3 0

3 years ago