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3 years ago

8

How many different 4-letter radio station call letters can be made if repeats are allowed and the first letter must be k?

1 answer:

Evgen [1.6K]3 years ago

3 0

The first letter has to be a k, so the first letter only has one option.
The second letter can be any letter, so there are 26 options. This is the same for the third and fourth letter as well.
To find all possible options, you must multiply all of these "options" together.
1•26•26•26=17576

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3 years ago

HELP I DONT KNOW THE ANSWER

il63 [147K]

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Answer:

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Step-by-step explanation:

The intent here is to let you demonstrate your understanding that multiplication by an integer is the same as repeated addition.

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2 years ago

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3 years ago

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2 years ago

Read 2 more answers

Hall and Mindy are playing a guessing game. Hall tells Mindy: ""The difference between 17 and the square root of my mystery numb

cestrela7 [59]

Answer:

The possible number that Hall could be thinking of is 144.

Step-by-step explanation:

Difference between 17 and the square root of my mystery number

This is represented by:

$17 - \sqrt{x}$

is 5

Then:

$17 - \sqrt{x} = 5$

What are two possible numbers that Hall could be thinking of?

We have to solve the equation, for x. So

$17 - \sqrt{x} = 5$

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$(\sqrt{x})^2 = (12)^2$

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The possible number that Hall could be thinking of is 144.

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3 years ago