Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (anonymous):

Which of the following statements is true about 63 and 20? They are relatively prime. They have more than one common factor. They each have a factor of 4. They are both prime numbers.

OpenStudy (anonymous):

so which one is it then

OpenStudy (anonymous):

if i cant reduce it

OpenStudy (confluxepic):

You have to find what both the numbers have in common.

OpenStudy (confluxepic):

Do you know what prime is.

OpenStudy (confluxepic):

Prime numbers are numbers that only have one factor which is 1 itself.

OpenStudy (anonymous):

k

OpenStudy (anonymous):

so its both

OpenStudy (confluxepic):

So do 63 and 20 only have 1 as a factor.

OpenStudy (confluxepic):

No they don't.

OpenStudy (confluxepic):

Is 63 divisible by 4.

OpenStudy (anonymous):

no

OpenStudy (confluxepic):

No 63 is odd. It can be divisible but 4 cannot be a factor.

OpenStudy (confluxepic):

Now tell me the factors of 63.

OpenStudy (confluxepic):

Factors are whole numbers that a number can be divided into.

OpenStudy (anonymous):

1 i think

OpenStudy (anonymous):

i dont get it

OpenStudy (confluxepic):

No 63 can be divided by 1, 3, 7, 9, 21, and 63.

OpenStudy (confluxepic):

20 can be divided by 1, 2, 4, 5, 10, and 20.

OpenStudy (confluxepic):

They both have multiple factors.

OpenStudy (anonymous):

k and

OpenStudy (confluxepic):

None of them are the same except for 1.

OpenStudy (anonymous):

ok

OpenStudy (confluxepic):

Since you eliminated all the other choices you get one answer.

OpenStudy (confluxepic):

They are both relatively prime.

OpenStudy (anonymous):

so d

OpenStudy (anonymous):

ok sorry i just dont get but now i do sorry for yur trouble

OpenStudy (confluxepic):

The answer is A.

OpenStudy (confluxepic):

No problem.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!