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AVprozaik [17]
2 years ago
10

31x m=217 what does the m mean i cant seem to figure that out.

Mathematics
1 answer:
faust18 [17]2 years ago
3 0

Answer:

7?

Step-by-step explanation:

31xm=217

m=217/31

m=7

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jolli1 [7]

Answer:

B) -5, 5, -7, 7           

Step-by-step explanation:

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factor:

(3x - 2 )(x - 1) = 3x² - (5)x + 2      so 5 does work

(3x - 1 )(x - 2) = 3x² - (7)x + 2      so 7 does work

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2 years ago
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Answer:

24

Step-by-step explanation:

The question is saying, how many three digit numbers can be made from the digits 3, 4, 6, and 7 but there can't be two of the same digit in them. For example 346 fits the requirements, but 776 doesn't, because it has two 7s.

Okay, on to the problem:

We can do one digit at a time.

First digit:

There are 4 digits that we can choose from. (3, 4, 6, and 7)

Second digit:

No matter which digit we chose for the first digit, there is only going to be 3 of them left, because we already chose one, and you can't repeat that same digit. So there are 3 options.

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Using the same logic, there are only 2 options left.

We have 4 choices for the first digit, 3 choices for the second, and 2 for the third.

Hence, this is 4 * 3 * 2 = 24 three-digit numbers that can be made.

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Step-by-step explanation:

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devlian [24]

Answer:the answer is A

Step-by-step explanation:

I know because i took the quiz and got it right

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