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Crank
4 years ago
6

8/10 dividing by 4:6

Mathematics
2 answers:
xxMikexx [17]4 years ago
7 0
8/10 divide by 4:6

1) convert the ratio into fraction. 4:6 is 4/6
2) 8/10 divide by 4/6
2a) get the reciprocal of the 2nd fraction, 4/6.
       reciprocal of 4/6 is 6/4
2b) multiply the 1st fraction to the reciprocal of the 2nd fraction
     8/10 * 6/4 = (8 * 6) / (10 * 4) = 48 / 40
2c) simplify the resulting fraction:
48 / 40 can be divided by 8. (48 / 8) / (48 / 8) = 6/5
6/5 is simplified fraction of 48/40

  
Mila [183]4 years ago
6 0
If you would like to divide 8/10 by 4/6, you can calculate this using the following steps:

8/10 / 4/6 = 8/10 * 6/4 = (8 * 6) / (10 * 4) = 6/5 = 1 1/5

The correct result would be 6/5 or 1 1/5.
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a) 99.73% probability that a randomly selected person does not have a birthday on March 14.

b) 96.71% probability that a randomly selected person does not have a birthday on the 2 nd day of a month.

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Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

A non-leap year has 365 days.

​(a) Compute the probability that a randomly selected person does not have a birthday on March 14.

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99.73% probability that a randomly selected person does not have a birthday on March 14.

​(b) Compute the probability that a randomly selected person does not have a birthday on the 2 nd day of a month.

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​(c) Compute the probability that a randomly selected person does not have a birthday on the 31 st day of a month.

The following months have 31 days: January, March, May, July, August, October, December.

So there are 7 31st days of a month during a year.

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(365-7)/365 = 0.9808

98.08% probability that a randomly selected person does not have a birthday on the 31 st day of a month.

(d) Compute the probability that a randomly selected person was not born in February.

During a non-leap year, February has 28 days. So

(365-28)/365 = 0.9233

92.33% probability that a randomly selected person was not born in February.

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