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Verdich [7]
3 years ago
11

Select the correct answer.

Mathematics
1 answer:
MatroZZZ [7]3 years ago
5 0

Answer:

A

Step-by-step explanation:

x+y=34 (add the seperate hours together to get the total amount of hours)

10x+15y=410 (multiply the money made each hour by the hours worked and add them together to get the amount of money joy made)

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We can use the Fundamental Counting Principle to determine the total number of options.

There are two different events in this problem. First, there are 3 kinds of cards. Second, there are 3 sizes for each kind.

Simply, multiply the 3 by the other 3 and you have 9 different options.

Just think, each card would have a small, medium and larger option. So there are 3 groups of 3 or 9 total options.
8 0
3 years ago
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choli [55]
3(1+2)
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3 years ago
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Arisa [49]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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docker41 [41]

Answer:

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6 0
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Step-by-step explanation:

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