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Two spies have to communicate using a secret code. They need to create exactly 30 possible

avanturin [10]

Answer:

C. Select a number from {1, 2, 3, 4, 5, 6} and a vowel.

Step-by-step explanation:

Let's start this with a simple example: how many messages are possible using one number from {7, 9} and one letter from {a, b}. It will be 4 as 7a, 7b, 9a and 9b. This result can also come by multiplying the number of digits used and number of alphabets used - here number of digits are 2 (they are 7 and 9) and number of alphabets used are 2 (they are 'a' and 'b'). So 2 × 2 = 4.

[NOTE : In this question 7a and a7 are same]

Maximum number of options consists of vowels as letters so we will first find the number of digits needed if vowels are used as letters.

The number of vowels are 5 (they are 'a', 'e', 'i', 'o', 'u').

The number of possible precodes needed = 30

Let the number of digits needed be 'n'.

Then n × 5 = 30

∴ n = 6

Therefore the number of digits needed is 6 which is there in option C. The digits are {1, 2, 3, 4, 5, 6}

Therefore option C is the answer.

Read more on Brainly.com - brainly.com/question/14305963#readmore

Step-by-step explanation:

5 0

3 years ago

-5, _____, _____, 7, 11

steposvetlana [31]

Answer:

-5 , -1, 3, 7, 11

Its basic subtraction bud

3 0

3 years ago

Read 2 more answers

Point A is at (-7,-9) and point M is at (-0.5, -3).

frez [133]

Answer:

(6,3)

Step-by-step explanation:

You can solve this by looking at the x and y coordinates independently.

The distance between -7 and -0.5 is 6.5.

The distance between -9 and -3 is 6.

Since point M is the midpoint, the distances between point A and point M should be the same, so you can literally just add the distances to the midpoint to find the other endpoint. This means that point B is located at (-0.5+6.5, -3+6) or (6, 3).

To check your work you can test the slope of the line and see that it is consistent from points A to B and from A to M.

$\frac{(3--9)}{(6--7)}$ = $\frac{12}{13}$ and $\frac{(-3--9)}{(-.5--7)}$ = $\frac{6}{6.5}$ which are both equal to ≈ .923077

8 0

4 years ago

!!!1HELPP!!PLS HELP ITS DUE TONIGHT!! Two spinners are used in a game. Each spinner has four equal sections: red, green, white,

FinnZ [79.3K]

It’s a simple probability question that can be solved with an “outcome tree” and fractions. To show the possible outcomes you can pick a main color then branch off of it to show the possible outcomes. The probability of landing on white would be 2 out of 8. Landing on blue would be 2 out of 16 because the probabilities have multiplied. I know this probably doesn’t make much sense but this was the best I could explain it.

5 0

2 years ago

What is the slope of y=1/2x-1

galben [10]

Answer:

The slope is 1/2.

Step-by-step explanation:

I hope this helps and I hope u have an Amazing day!

6 0

3 years ago

Read 2 more answers

Go on this one https://brainly.com/question/21200034 But other than that stay here.