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2 years ago

Maths a²(5a - 3b) -3a²

Mathematics

1 answer:

11Alexandr11 [23.1K]2 years ago

4 0

Answer:

$5a^{3} - 3a^{2} b-3a^{2}$

Step-by-step explanation:

$a^{2} (5a-3b)-3a^{2} |$

Expand brackets

$5a^{3} - 3a^{2} b-3a^{2}$

Final Answer is

$5a^{3} - 3a^{2} b-3a^{2}$

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Explain the process for finding the product of two integers

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3 years ago

Multiple w and 8.Then,add 5

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3 years ago

Solve for x under the assumption that x<0. x-5/x<4

AleksandrR [38]

If you would like to solve the inequality x - 5/x < 4, you can do this using the following steps:

x - 5/x < 4
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3 years ago

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3 years ago

Amy's grandmother gave her 3 identical chocolate chip cookies and 4 identical sugar cookies. In how many different orders can Am

Dmitrij [34]

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):

C(6,2) = 6! / (2! * 4!) = 6 * 5 / 2 = 15 ways

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:

C(6,2) = 15 ways

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:

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3 years ago

Maths a²(5a - 3b) -3a²​

Maths a²(5a - 3b) -3a²