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Scilla [17]
2 years ago
13

5. Suppose a password requires three distinct letters. Find the number of permutations for the three letters in the code if the

letters may not be repeated.
Mathematics
1 answer:
Roman55 [17]2 years ago
3 0

Answer:

There are 15600 ways to pick a password

Step-by-step explanation:

We have 26 possibilities to pick a letter. So, we have 26 possibilities for the first component of the password. The second letter should be different from the first one, so we have one less possibility, giving us a total of 25, and for the third letter we have 24.

This gives us 26*25*24 = 15600 ways of picking a password.

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L. Calculate the total revenue for each job at each price
Rudiy27

Answer:

1. 8,400

2. 3,600

3. 1,500

Step-by-step explanation:

multiply the weeks by the number of cars first, and then times it by the amount of money per car

(weeks×cars per week) money per car

8 0
2 years ago
A gym charges $25 per month plus extra four dollars to swim in a pool for an hour if a member only has $45 to spend each month a
NeTakaya

Answer:

5 hours

Step-by-step explanation:

So the set fee is 25. 45-25 = 20. Now, 4 dollars an hour. 20/4 = 5, so 5 hours

8 0
2 years ago
You're baking a cake with a ratio of 3:4. If you use 2 cups of flour,how many cups of sugar will you use?
Vinil7 [7]

Answer:

2 2/3 cups of sugar

Step-by-step explanation:

If your ratio is 3 flour to 4 sugar, and you use 2 cups of flour, set up your proportion as follows:

\frac{3}{4}=\frac{2}{x}

Cross multiply to get 3x = 8 and x = 8/3 which is 2 and 2/3 cups of sugar.

5 0
3 years ago
Help please!<br> Thank you
Margarita [4]

Answer:

G

Step-by-step explanation:

Red marble probably currently: 12/32 = 3/8

Guess and check (using the multiple choice answers):

F: 12 + 13 / 32 + 13 = 25/45 = 5/6; does not equal 3/5

G: 12 + 18 / 32 + 18 = 30/50 = 3/5; does equal 3/5

H: 12 + 28 / 32 + 28 = 40/60 = 2/3; does not equal 3/5

J: 12 + 32 / 32 + 32 = 44/64 = 11/16; does not equal 3/5

K: 12 + 40 / 32 + 40 = 52/72 = 13/18; does not equal 3/5

8 0
3 years ago
Please help! this is a geometry question.
Phantasy [73]

Answer:

C

Step-by-step explanation:

The ratio is 1:4 so 1 of the object equals 4 of the scale drawing

30*4=120^2 cm

4 0
3 years ago
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