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Grace [21]
3 years ago
10

Simplify the expression. 3x 3x a. 6x b. 9x c. 6x2 d. 6

Mathematics
1 answer:
love history [14]3 years ago
8 0
3+3=6 therefore the answer would be 6x. 
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Write a word problem that would require you to use 5,621 divided by 23.
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Answer:

I have exactly 5,621 dominoes, and, including myself, 23 people to set them all up.  How many dominoes will each person set up?

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The distance between the manufacturing plant and Jessie’s home is 4 miles. It takes Jessie 40 minutes to walk that distance. Wri
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Step-by-step explanation:

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<k = 20

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How many 4-letter passords can be made using the letters A thought Z if...
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Answer:

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For the first case, we have a choice of 26 letters <em>each step of the way. </em>For each of the 26 letters we can pick for the first slot, we can pick 26 for the second, and for each of <em>those</em> 26, we can pick between 26 again for our third slot, and well, you get the idea. Each step, we're multiplying the number of possible passwords by 26, so for a four-letter password, that comes out to 26 × 26 × 26 × 26 = 26^4 possible passwords.

If repetition is <em>not </em>allowed, we're slowly going to deplete our supply of letters. We still get 26 to choose from for the first letter, but once we've picked it, we only have 25 for the second. Once we pick the second, we only have 24 for the third, and so on for the fourth. This gives us instead a pretty generous choice of 26 × 25 × 24 × 23 passwords.

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2 years ago
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