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OpenStudy (mstv1112):
1. Which number is divisible by 5?
43
65
72
169
2. Which number is divisible by 9?
495
322
619
199
3. Find the missing number that makes 1,54__ divisible by 3.
6
9
3
2
4. List the positive factors of 36.
OpenStudy (anonymous):
what are your guesses?
OpenStudy (mstv1112):
1.B 65
OpenStudy (anonymous):
good
OpenStudy (anonymous):
and for 2 3 4
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OpenStudy (mstv1112):
2. C 619 ?
OpenStudy (anonymous):
i think you should try again
OpenStudy (mstv1112):
Im not sure on 2 and 3 but
#4 is 1 2 3 4 6 9 12 18 36
OpenStudy (anonymous):
good
OpenStudy (mathmate):
Numbers divisible by 9 have the sum of digits divisible by 9.
For example, 5544 is divisible by 9 because 5+5+4+4=18 which is divisible by 9.
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OpenStudy (anonymous):
for three try splitting up the number. if you think about it 3 goes into 1500 500 times
OpenStudy (anonymous):
what number from 40-49 is divisible by 3
OpenStudy (mstv1112):
2. 199?
OpenStudy (mstv1112):
and @pmkat14 42?
OpenStudy (anonymous):
good
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OpenStudy (anonymous):
14 times, so its 500+14
OpenStudy (mstv1112):
514
OpenStudy (anonymous):
there you go, so 1542/514=3
OpenStudy (mstv1112):
Thank you, I really appreciate it!
OpenStudy (anonymous):
you got it, fan and tag me in the future when im online for more help