Question

Cynthia made the conjecture that the sum of any prime number and any composite number is a composite number.

Which equation is a counterexample to her conjecture?

A.
11 + 9 = 20

B.
11 + 2 = 13

C.
13 + 2 = 15

D.
5 + 8 = 13

Answer 1

answe plz i am kinda in a hurry

Answer 2

In which of those equations does the sum of a prime and a composite NOT produce a composite?

Answer 3

??????

Answer 4

i am only in 6th grade

Answer 5

That's OK, sixth graders can understand the difference between prime and composite numbers.

Answer 6

is that an insalt

Answer 7

nvm whats the answer?

Answer 8

"Insalt"? No, but I don't just provide answers.

Answer 9

ok then can u explain this a little faster so i can fish my test before the night is over?

Answer 10

*finsh

Answer 11

TEST? It would be cheating for you to get help on a test! I don't do that, either.

Answer 12

well, it's not really a test it's a show what u know

Answer 13

HELLO

Answer 14

From the Open Study Code of Conduct:

"OpenStudy values the Learning process - not the ‘Give you an answer’ process

Don’t post only answers - guide the asker to a solution.
Have homework problems? We can help you - as long as you are looking to learn how to get your solution (and not just the answer).
Please do not copy and paste your problems. If people are going to spend time to help you, you should at least spend the time to ask your question as clearly as possible.

Answer 15

YOUR STUPID

Answer 16

You mean "you're stupid." You seem to have grammar problems as well as mathematical difficulty.