Not sure how to solve this :/
1 answer:
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Answer: D. About inches per hour.
Step-by-step explanation:
1. The city received inches of rain in
hours.
2. Let's write the mixed number as decimal numbers:
3. To find the approximate rainfall rate in inches per hour, you must divide 12.25 inches by 25.5 hours, as following:
4. If you round the result to the nearest tenth, you obtain:
5. Therefore, the answer is the option D.
Answer:
20160 ways
Probability = 0.0556
Step-by-step explanation:
We have 9 different letters, so the total number of words we can make is:
If we want just the words that begin with L and end with a vowel, we would have the first letter "locked", so we have 8 letters remaining, and it must end with a vowel, so the last "slot" has just 4 possible values (A, E, I or O). Then we would have 4 possible values for the last letter and 7 remaining letters in the middle of the word:
The probability is calculated by the division of the number of words we want over the total number of words: