Coolio

22 Questions
5 Answers

0

492

1

+87

Binomial Theorem

What is the constant term in the expansion of (x^2 + 1/x)^4?

Apparently there is an answer

Coolio Apr 29, 2020

+1

961

1

+87

Counting

How many numbers are in the list

6,7,10,11,14,15...94,95,98?

Coolio Apr 26, 2020

0

559

2

+87

Highmoon Probability

The word HIGHMOON has different permutations. These permutations can be represented by variable S. What is the probability that the two “H” won’t be together in a permutation?

Coolio Apr 25, 2020

0

488

1

+87

Train time

Lizzie needs to catch a train. The train arrives randomly some time between 2:00 and 3:00, waits for 20 minutes, and then leaves. If Lizzie also arrives randomly between 2:00 and 3:00, what is the probability that the train will be there when Lizzie arrives? read more ..

Coolio Apr 19, 2020

0

763

2

+87

Dogs

Madeline has eight dogs. The mean weight of the lightest six is 40 pounds. The mean weight of the heaviest six is 55 pounds. What is the greatest possible range of weights of her dogs?

Coolio Apr 12, 2020

0

506

1

+87

https://web2.0calc.com/questions/a-deck-of-cards

https://web2.0calc.com/questions/a-deck-of-cards

Please help i am rally stuck with this one

Coolio Apr 1, 2020

-2

792

3

+87

A deck of cards

You take the four Aces, four 2's, and four 3's from a standard deck of 52 cards, forming a set of 12 cards. You then deal all 12 cards at random to four players, so that each player gets three cards. What is the probability that each player gets an Ace, read more ..

Coolio Apr 1, 2020

-2

500

1

+87

2 balls

A bag contains five white balls and four black balls. Your goal is to draw two black balls.
You draw two balls at random. Once you have drawn two balls, you put back any white balls, and redraw so that you again have two drawn balls. What is the probability read more ..

Coolio Mar 31, 2020

-2

884

3

+87

Stick length

A stick has a length of 5 units. The stick is then broken at two points, chosen at random. What is the probability that all three resulting pieces are longer than 1 unit?

Coolio Mar 31, 2020

-2

797

3

+87

Geometry Probability Problem

Four points W, X, Y, and Z are chosen at random on a circle. Find the probability that chords WX and YZ intersect.

Coolio Mar 31, 2020

+87

+4

Actually, I got it. The right answer was 10.

CoolioJun 1, 2020

+87

0

Thank you!

CoolioJun 1, 2020

+87

0

No, but it's fine I got it. The answer was 139, you were so close. Thank you though!

CoolioMay 31, 2020

+87

+1

TYSM!!

CoolioApr 29, 2020

+87

-1

Since there 100 numbers in total and 10 numbers that are "successful", 10/100=1/10 is the answer.

CoolioApr 1, 2020