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fgiga [73]
3 years ago
8

What is the coefficient of x^6 y^4 in the expansion of (x+y)^10

Mathematics
1 answer:
insens350 [35]3 years ago
7 0

c) 210

hope this helps!

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Factor: 2a^2-ab-6b^2
pogonyaev

Rewrite the expression as

2a^2-4ab+3ab-6b^2

Factor 2a from the first two terms and 3b from the last two:

2a(a-2b)+3b(a-2b)

Factor a-2b

(a-2b)(2a+3b)

5 0
3 years ago
Can you explain to me how exponents work?
LuckyWell [14K]

Answer:

1^2 is one squared which means

1x1

1^3 is

1x1x1

2^4 is

2x2x2x2 which equals 16

Step-by-step explanation:


4 0
3 years ago
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In 1912, the U.S. government began issuing licenses to radio stations. Each station was given a unique three-letter call sign. R
tatuchka [14]

Answer:

A would make sense

Step-by-step explanation:

6 0
3 years ago
In the book 365 Penguins, the family received a new penguin each day. They received their first penguin on January 1st and this
Eddi Din [679]

Answer:

181 penguins on the last day of June.

250th penguin on 7 September.

Step-by-step explanation:

We have been given that in the book 365 Penguins, the family received a new penguin each day. They received their first penguin on January 1st and this pattern continued throughout this non-leap year.  

First of all we need to find number of days in January to June.    

January has 31 days, February has 28 days (Not a leap year), March has 31 days, April has 30 days, May has 31 days and June has 30 days.

\text{Days from January to June}=31+28+31+30+31+30

\text{Days from January to June}=181

Since penguin family receives 1 penguin each day, so 181 penguins will be in 181 days.

Therefore, the penguin family will have 181 penguins on the last day of June.

Now, we need to find the day, which will be on 250th day.

We already know that 181st day would be 30th June.

We know that July and August each has 31 days, so we will add 62 days to 181 that is 181+62=243.

243rd day would be 31st August.

Now, we will add 7 days to 243 days to get 250th day.

Since next month to August is September, therefore, the family will receive 250th penguin on 7 September.

6 0
3 years ago
Help pls!! Solve the inequality x + 13 < 0. Give your answer in interval notation.
kotegsom [21]

Answer:

-14

Step-by-step explanation:

x=-14+13

-1

0 is biger than -1

5 0
3 years ago
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