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Debora [2.8K]
2 years ago
15

Simplify 2/3(6x−1/6)+3x

Mathematics
1 answer:
Georgia [21]2 years ago
3 0

Answer:

7x - 1/9

Step-by-step explanation:

2/3 (6x - 1/6) + 3x

12x/3 - 2/18 + 3x

4x - 1/9 + 3x

7x - 1/9

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Step-by-step explanation:

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Answer:

chocolate chip cookie first: 15 ways

chocolate chip cookie last: 15 ways

chocolate chip cookie first and last: 5 ways

Step-by-step explanation:

There is a total of 7 cookies.

Is she eats a chocolate cookie first, she will have 2 chocolate cookies and 4 sugar cookies (6 in total).

So, to find the number of different orders that Amy can eat the remaining cookies, we just need to calculate a combination of 6 choose 2 (that is, the number of ways we can put the 2 chocolate cookies among the 6 cookies) or a combination of 6 choose 4 (same thing, but for the sugar cookies):

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Is she eats a chocolate cookie last, she will have 2 chocolate cookies and 4 sugar cookies (6 in total), so the problem is solved again with a combination of 6 choose 2:

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Is she eats a chocolate cookie first and last, she will have just 1 chocolate cookie left and 4 sugar cookies (5 in total), so the problem is solved with a combination of 5 choose 1 or a combination of 5 choose 4:

C(5,1) = 5! / (1! * 4!) = 5 ways

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3 years ago
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Where was a error made in combining and solving the equation below?
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Step-by-step explanation:

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