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Andreas93 [3]
3 years ago
9

Given: AM = 8, AB = 5x +1 and M is the midpoint of AB, find x and AB X= AB=

Mathematics
1 answer:
NARA [144]3 years ago
3 0

Answer:

x = 3

AB = 16

Step-by-step explanation:

Given: AM = 8, AB = 5x +1 and M is the midpoint of AB, the AM = MB

AB = 2AM

5x+1 = 2(8)

5x + 1 = 16

x = 16 - 1

5x = 15

x = 15/5

x = 3

Hence the value of x is 3

Since AB = 5x+1

AB = 5(3) + 1

AB = 15 + 1

AB = 16

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Mr. and Mrs. Romero are expecting triplets. Suppose the chance of each child being a boy is 50% and of being a girl is 50%. Find
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Answer:

1) \text{P(at least one boy and one girl)}=\frac{3}{4}

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Step-by-step explanation:

Given : Mr. and Mrs. Romero are expecting triplets. Suppose the chance of each child being a boy is 50% and of being a girl is 50%.

To  Find : The probability of each event.  

1) P(at least one boy and one girl)

2) P(two boys and one girl)

3) P(at least two girls)        

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Let's represent a boy with B and a girl with G

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\text{P(at least one boy and one girl)}=\frac{3}{4}

2) P(at least one boy and one girl)

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3) P(at least two girls)

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