Member: Forumofweb2.0cal

38 Questions
16 Answers

812

+174

Helpp

What is the least five-digit positive integer which is congruent to 5 (mod 15)?

●●

Forumofweb2.0cal Jul 21, 2020

689

+174

pls help

What is the smallest integer n, greater than 1, such that and are both defined?

●

Forumofweb2.0cal Jul 16, 2020

537

+174

Last Question

Find the integer ,n , such that

●

Forumofweb2.0cal Jul 15, 2020

547

+174

Im stuck

Determine the smallest non-negative integer that satisfies the congruences:

read more ..

●●

Forumofweb2.0cal Jul 15, 2020

-1

781

+174

This is too confsing

What is the smallest positive integer n such that

●●●●●

Forumofweb2.0cal Jul 13, 2020

749

+174

I don't understand this problem

If and , then what is the remainder when is divided by 20?

●●●

Forumofweb2.0cal Jul 13, 2020

767

+174

Welpp

Let n be a positive integer. If , what is the remainder when a is divided by 9?

●●●

Forumofweb2.0cal Jul 13, 2020

587

+174

Helppp

When we say that Ray is climbing up the stairs M at a time, we mean that he starts on the floor (step 0) then jumps to step m and then to 2m and so on until the number of steps to the top is less than m. Ray climbs up a flight of stairs of n steps read more ..

●

Forumofweb2.0cal Jul 13, 2020

721

+174

This puzzled me

What is the smallest whole number that has a remainder of 1 when divided by 4, a remainder of 1 when divided by 3, and a remainder of 2 when divided by 5?

●

Forumofweb2.0cal Jul 10, 2020

849

+174

Please Help

What is the unique three-digit positive integer satisfying

●

Forumofweb2.0cal Jul 10, 2020

976

+174

I don't understand this

what is the modular inverse of 11 , modulo 1000?
Express your answer as an integer from 0 to 999 , inclusive.

●●●●●

Forumofweb2.0cal Jul 10, 2020

574

+174

Welppp

What is the sum of the smallest and second-smallest positive integers a satisfying the congruence

●

Forumofweb2.0cal Jul 8, 2020

584

+174

Helpp

Let n be a positive integer and a, b be invertible integers modulo n such that . What is the remainder when ab is divided by n?

●

Forumofweb2.0cal Jul 8, 2020

904

+174

Halppp

A book is said to have n leaves if it is composed of n pieces of paper. On the other hand, the number of pages is twice the number of leaves because each side of a piece of paper is defined as a page.
If the number of pages in a book is 3 more than a read more ..

●

Forumofweb2.0cal Jul 8, 2020

555

+174

Help ASAP

Let x and y be integers. Show that 9x+5y is divisible by 19 if and only if x+9y is divisible by 19.

●

Forumofweb2.0cal Jul 8, 2020

893

+174

Guys I don't understand how to do this problem

Find the sum of all positive rational numbers that are less than 5, and that have a denominator of 30 when written in lowest terms

●●

Forumofweb2.0cal Jul 6, 2020

646

+174

Helpppp

Find the units digit of the following within the indicated number base:

●

Forumofweb2.0cal Jul 5, 2020

1180

+174

Help please

The proper divisors of 12 are 1, 2, 3, 4 and 6. A proper divisor of an integer N is a positive divisor of N that is less than N. What is the sum of the proper divisors of the sum of the proper divisors of 284?

●

Forumofweb2.0cal Jul 2, 2020

+174

-1

Oh, I was just trying to get some assistance because the message board is a little slow sometimes.

Forumofweb2.0calMar 19, 2020

+174

313/2500 is something I've already tried :( and is wrong

Forumofweb2.0calMar 16, 2020

+174

Thanks for the assistance!

Forumofweb2.0calMar 16, 2020

+174

Ohhhh, sorry, my brain is not working today. Thanks for teaching me and letting me understand!

Forumofweb2.0calMar 16, 2020

+174

Wait, so 4/5 of 15 ways. That's 4/75, and I've already tried the answer before.

Forumofweb2.0calMar 16, 2020

+174

Thanks! I think I understand now!

Forumofweb2.0calMar 16, 2020

+174

Thanks a lot man!

Forumofweb2.0calFeb 28, 2020

+174

-2

It Says Incorrect

Forumofweb2.0calFeb 18, 2020

+174

-1

It was incorrect

Forumofweb2.0calFeb 11, 2020

Username	Forumofweb2.0cal
Score	174
Membership
Stats
Questions	36
Answers	16