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SSSSS [86.1K]
3 years ago
8

Radio stations in a certain country use a sequence of 5 or 6 letters as their station identification call letters. The first let

ter must beZ or K or B . Assume there are no restrictions on the remaining​ letters, and repetition is allowed.
​a) How many 5​-letter station identifications are​ possible?
​b) How many 6​-letter station identifications are​ possible?
​c) How many total station identifications are​ possible?
​d) The identification for a​ randomly-chosen radio station is 5 letters in length. What is the probability that all 5 letters are​ different?
Mathematics
1 answer:
liubo4ka [24]3 years ago
3 0
A is the answer to your question
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filled in:

 Fred ran 4 miles in 30 minutes. Janet ran 6 miles in 40 minutes. Fred and Janet each continue running at their same rate for 1 hour. fred will run 8 miles in 1 hour. Janet will run 9 miles in 1 hour. Janet will run 1 miles farther in 1 hour

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kondor19780726 [428]

Answer:

The answers to the question are

The fraction that names all of the oatmeal bar halves is \frac{1}{2}

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Step-by-step explanation:

To answer the question, we note that there are 5 oatmeal bars, and since each bar is cut in half, we have the fraction that names all of the oatmeal bar halves is

\frac{1}{2}

If Lucy further cuts each part of the oatmeal bar into 2 equal pieces to share with friends, then the fraction that names all of the oatmeal bar pieces is

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2x+12-7x=-2

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Step-by-step explanation:

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