Firewolf

48 Questions
3 Answers

+1

864

1

+239

The same eight people sit in a certain church pew every week, but not always in the same order. Every week, each person hugs the people imme

The same eight people sit in a certain church pew every week, but not always in the same order. Every week, each person hugs the people immediately to his or her left and right. How many weeks does it take (at a minimum) for every pair of people to hug read more ..

Firewolf Mar 27, 2019

+2

2431

1

+239

Solve: $|2x - 1| = |3x + 5|$. Write your answers as a list of numbers, separated by commas, e.g. '23, 19' (but without the quotes).

Solve: . Write your answers as a list of numbers, separated by commas, e.g. "23, 19" (but without the quotes).

Firewolf Mar 21, 2019

+1

4978

5

+239

Given positive integers $x$ and $y$ such that $x \not = y$ and $\frac {1}{x} + \frac {1}{y} = \frac {1}{12}$, what is the smallest possible

Given positive integers x and y such that and , what is the smallest possible positive value for ?

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Firewolf Mar 21, 2019

+1

2776

1

+239

Two trains travel directly toward each other. One of the trains travels at a rate of 12 km/h while the other travels at a rate of 20 km/h. W

Two trains travel directly toward each other. One of the trains travels at a rate of 12 km/h while the other travels at a rate of 20 km/h. When the trains are 72 km apart a conductor at the front of one of the trains releases the insane pigeon Hyde. Hyde read more ..

Firewolf Mar 21, 2019

+1

1205

1

+239

The terms of a particular sequence are determined according to the following rules: * If the value of a given term is an odd positive intege

The terms of a particular sequence are determined according to the following rules:
* If the value of a given term is an odd positive integer s, then the value of the following term is 3s-9
* If the value of a given term is an even positive integer read more ..

Firewolf Mar 21, 2019

+1

2056

1

+239

Evaluate: $\dfrac{(x+y)^2 - (x-y)^2}{y}$ for $x=6$, $y \not= 0$.

Evaluate: , for and .

Firewolf Mar 9, 2019

+2

2496

2

+239

The sum of the squares of two positive integers is 193. The product of the two integers is 84. What is the sum of the two integers?

The sum of the squares of two positive integers is 193. The product of the two integers is 84. What is the sum of the two integers?

Firewolf Jan 26, 2019

+1

2594

1

+239

In the sequence below, a 1 is followed by two 2's, three 3's, and so on, up to ten 10's. What is the average of the mean, mode,

In the sequence below, a 1 is followed by two 2's, three 3's, and so on, up to ten 10's. What is the average of the mean, mode, and median of the sequence?

Firewolf Dec 8, 2018

+1

841

2

+239

The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term?

The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term?

Firewolf Dec 5, 2018

+1

3430

3

+239

Rico can walk 3 miles in the same amount of time that Donna can walk 2 miles. Rico walks at a rate 2 miles per hour faster than Donna.

Rico can walk 3 miles in the same amount of time that Donna can walk 2 miles. Rico walks at a rate 2 miles per hour faster than Donna. At that rate, what is the number of miles that Rico walks in 2 hours and 10 minutes?

Firewolf Nov 7, 2018

+239

0

The answer is 54. Try drawing it out.

FirewolfJan 3, 2020

+239

+1

The difference of twice the number t and 30 equals 2t - 30

FirewolfJun 19, 2018