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2 years ago

8

If you could put wings on any species of animal, what animal would you choose?

2 answers:

denis-greek [22]2 years ago

5 0

Answer:

Humans

Explanation:

So I can have wings :)

Crank2 years ago

5 0

Answer:

If I could put wings on any species of animal, I would choose a Unicorn because then the Unicorn can fly and look at all the enviroment.

Step-by-step explanation:

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Calculate the coefficient of x4y18 in the expansion of (x − y)22

Oksana_A [137]

Binomial theorem:

$(x-y)^n=\displaystyle\sum_{k=0}^n\binom nkx^k(-y)^{n-k}$

The term with $x^4y^{18}$ corresponds to $n=18+4=22$ and $k=4$ (or $k=18$ , since $\dbinom nk=\dbinom n{n-k}$ ).

So, the coefficient of this term is

$\dbinom{22}4(-1)^{18}=\dbinom{22}4=\dfrac{22!}{4!(22-4)!}=7315$

4 0

3 years ago

On a 50 question test a student awncerd 5 questions wrong what percent did he awncer correctly

stich3 [128]

Answer: 90%

If there are 50 questions and only 5 are answered incorrectly, it leaves him with 45 questions answered correctly.

In order to get the percentage you will need to put 45 over 50 and multiply it against 100%.

45/50 x 100%

0.9 x 100%

=90%

5 0

3 years ago

Read 2 more answers

the points A (1, 5), B (5, 5) and C (5, 1) are 3 corners of a square ABCD. what are the coordinates of D, the 4th corner

bogdanovich [222]

Answer:

(1,1)

This is the answer

3 0

3 years ago

Which equality represents the proportion $10 is to 15 cans as $30 is to $45 cans?

Sladkaya [172]

Answer:

I'm guessing it's C because it's the only one that looks right

5 0

4 years ago

9. Cal is buying T-shirts and shorts. T-shirts

damaskus [11]

Hey there!

Step By Step:

Well so we know that 12 is about half of an 25. So what we are gonna do is to buy 3 of 12$ and 2 of 25$.

3x12=36 and 2x25=50.

With adding those two last numbers, you’ll get $86.

Graph would be down below.

Hope it helps :D

3 0

3 years ago