All Questions ⁺⁰237665 Questions

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+208

Help me please

I have a set of feathers (a) and in that group there are (b) pigeon feathers.
How many ways can these feathers be arranged so that they are in a straight line so that no pigeon feathers are next to eachother?

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lhyla02 Jun 18, 2020

0

480

1

please help

Six regular octagons each with sides of length 2 are placed in a two-by-three array and inscribed in a square as shown. Find the area of the square.

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Guest Jun 18, 2020

0

793

1

Help!!

Caleb earned a score of 38 on Exam A that had a mean of 76 and a standard deviation of 20. He is about to take Exam B that has a mean of 150 and a standard deviation of 40. How well must Caleb score on Exam B in order to do equivalently well as he did on read more ..

Guest Jun 18, 2020

0

836

2

math

Compute \[\binom40+\binom51+\binom62+\binom73.\

How many ways can you write two different letters, so that they are in alphabetical order? For example, AB and CT count, but ZA does not.\
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Guest Jun 18, 2020

-1

827

3

Help me!!!

Compute $\binom{223}{221}$.

Guest Jun 18, 2020

0

579

1

Trigonometry

Solve this: Find tan(x) if cos(x)sin(x)= (-3/8)

Guest Jun 18, 2020

0

450

0

help

A regular octagon has sides that each measure 2 units long.
A square is inscribed inside, where the vertices of the square touch the regular octagon at midpoints, as shown.
What is the area of the shaded red portion?
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Guest Jun 18, 2020

0

578

1

PLZ Help i need an explanation on how to do this!!

Given express x as a common fraction. Plz give an explanation!

Guest Jun 18, 2020

0

551

1

help

If

find (b + c)/(a - b).

Guest Jun 18, 2020

0

472

1

You didn’t answer

Please answer this from this question https://web2.0calc.com/questions/help-asap_61923 I would appreciate it

Guest Jun 18, 2020

0

635

1

PLZ HELP ME!!

There are 88 students at Beast Academy. The number of students with fur is twice as large as the number of students with fangs. Half of the students with fangs also have fur. If 13 students have neither fur nor fangs, how many students have fur?
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Guest Jun 18, 2020

0

706

2

Can someone give me the answer to this question

I asked a question 1-2 days ago and I still want to know the answer...
https://web2.0calc.com/questions/halp-asap-plzz
If you could help that would be great! I still want to know how to do it cuz I might get another problem like this read more ..

Guest Jun 18, 2020

0

719

1

Helppp pleaseee!

Nicole earned a score of 565 on Exam A that had a mean of 650 and a standard deviation of 50. She is about to take Exam B that has a mean of 50 and a standard deviation of 10. How well must Nicole score on Exam B in order to do equivalently read more ..

Guest Jun 18, 2020

0

693

1

probability

A coin is tossed 18 times. It lands on heads 12 times. What is the experimental probability of the coin landing on tails? reduce the fraction!

Guest Jun 18, 2020

0

515

2

please help

please help solve,..

Guest Jun 18, 2020

0

523

1

help

Guest Jun 18, 2020

0

854

2

h e l p

Ten people are sitting in a circle of ten chairs, chewing gum. Each person spits out their gum and places it either under their own chair or under an immediately adjacent chair. How many ways can this happen such that every chair ends up with exactly one read more ..

Guest Jun 18, 2020

0

451

1

help!

Five people are passing a ball amongst themselves. The ball starts with Alonzo. Each person who has the ball passes it onto someone else. After the eighth pass, the ball returns to Alonzo. Find the number of possible sequences of passes.

Guest Jun 18, 2020

0

538

3

Help ASAP

Plz help 1/5 + 5/x = 12/x + 1/12 solve for x

Guest Jun 18, 2020

0

428

0

Help!

Nicole earned a score of 565 on Exam A that had a mean of 650 and a standard deviation of 50. She is about to take Exam B that has a mean of 50 and a standard deviation of 10. How well must Nicole score on Exam B in order to do equivalently well as she read more ..

Guest Jun 18, 2020

0

576

1

help

Find the number of real roots of

Guest Jun 18, 2020

0

816

1

HELP PLEASE

Sofia earned a score of 520 on Exam A that had a mean of 600 and a standard deviation of 40. She is about to take Exam B that has a mean of 400 and a standard deviation of 40. How well must Sofia score on Exam B in order to do equivalently well as she did read more ..

Guest Jun 18, 2020

0

567

2

help

Find the value of k, so that the following system is consistent:

x + y = 1
kx + y = 2 read more ..

Guest Jun 18, 2020

0

669

1

HELP!

A number $x$ factors as $2^4\cdot7^4$. What is $\sqrt{x}$?

Guest Jun 18, 2020

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