lololololololololll

9 Questions
3 Answers

+1

2124

1

+49

Help with a few

For how many positive integers a<100 will a^3 +23 be divisible by 24?

What is the size of the largest subset ,s , of {1,2,3...50} such that no pair of distinct elements of has a sum divisible by 7 read more ..

lololololololololll Aug 11, 2018

0

2294

8

+49

Help fast!

1.How many distinct subsets of the set S=1,8,9,39,52,91 have odd sums? (As an example, 1,8,52 is one such subset, because 1+8+52 equals 61, which is odd.)

2.How many distinct subsets of the set S=1,8,9,39,52,91 have three-digit read more ..

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lololololololololll Jul 21, 2018

+1

577

1

+49

Help!

Consider the set . Prove that one can choose T to be a -element subset of S such that none of the elements of T can be represented read more ..

lololololololololll Jul 1, 2018

+1

1526

4

+49

Help!

How many ways are there to put 4 balls into 3 boxes, given that the balls are not distinguished but the boxes are?

How many zeroes do we write when we write all the integers from 1 to243 in base 3?
read more ..

lololololololololll Jun 28, 2018

0

1034

3

+49

Help!

Again, please private message me the answer!
Let n be an integer greater than 0. The numbers 1,2,3....,n are written on a blackboard. We decide to erase from the blackboard any two numbers, and replace them with their nonnegative difference. After read more ..

lololololololololll Jun 28, 2018

0

884

1

+49

Hi, pls Private message me the answer

Again, please private message me the answer!
Let n be an integer greater than 0. The numbers 1,2,3....,n are written on a blackboard. We decide to erase from the blackboard any two numbers, and replace them with their nonnegative difference. After read more ..

lololololololololll Jun 26, 2018

+1

652

1

+49

HELP

In this problem, a and b are integers. Ifand , then what is the last digit of a-b?

lololololololololll May 20, 2018

+1

751

3

+49

Help with 2!

complete modulo 5.

and
in this problem, a and b are positive integers.
When a is written in base 9, its last digit is 5.
When b is written in base 6, its last two digits are 53.
When a-b is read more ..

lololololololololll May 20, 2018

+1

1109

1

+49

HELP THANKS!!! :)

Jeff will pick a card at random from ten cards numbered 1 through 10. The number on this card will indicate his starting point on the number line shown below. He will then spin the fair spinner shown below (which has three congruent sectors) and follow read more ..

lololololololololll Mar 24, 2018

+49

+1

Is c meant to be equal to x*(3x+1)?

lololololololololllJun 28, 2018

+49

+1

Nvm got it

lololololololololllMay 20, 2018

+49

+1

What about 2?

lololololololololllMay 20, 2018