Find the area of square if the length of its diagonal is 18 cm
1 answer:
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Answer:
Only vowels and odd numbers:
Spells math:
Step-by-step explanation:
We have four letters, so the probability that one letter is a vowel is 5/26 (we have 5 vowels in a total of 26 letters), then the second letter has a probability of 4/25 of being a vowel (1 vowel used), and so on (third letter being vowel = 3/24 and fourth letter being vowel = 2/23)
Then, for the digits, we do the same, one digits has 5/10 probability of being odd, then the second digit has 4/9, the third has 3/8 and the fourth has 2/7.
So the final probability would be:
To find the probability that the password spells the word “MATH", each letter has to be a specific letter, so the first letter has 1/26 probability, the second has 1/25, and so on:
If we want rice per person, that's
1a. Answer: 25/3
That's between 24/3 and 27/3 i.e. between
1b. Answer: 8 and 9