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Old 04-30-2006, 11:36 PM   #1
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Default help with math

5. The lowest common multiple of 42 and 70 is:

A) 2940 B) 1470 C) 420 D) 210 E) 14

and can someone plz explain this
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Old 04-30-2006, 11:37 PM   #2
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Default Re: help with math

sorry for the double post. vbulletin was being retarded today (too slow)
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Old 04-30-2006, 11:38 PM   #3
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Default Re: help with math

The answer is 14. 14 can both be divided into 42 and 70. Also, it's the smallest number that can do that.

*yeah, I notice that too. This site has been slowing down for me. I double posted a few times becaue of that in the last month or so.
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Old 04-30-2006, 11:40 PM   #4
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Default Re: help with math

ah nothin better than math on a sunday night. I'm doin the product of a square roots property for algebra...and im about to quit.
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Old 04-30-2006, 11:41 PM   #5
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Default Re: help with math

I'm doing my midterm essay for my Human Debate in Sexuality class. Very hard. It's a philosophical class. Too deep for me. Oh, I'm also watching a playoff game on TV too.
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Old 04-30-2006, 11:43 PM   #6
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Default Re: help with math

Yeah, corolla is right. You want to find the lowest number that can devide into both numbers.

like the lowest command multiple of 35 and 70 would be 5
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Old 04-30-2006, 11:43 PM   #7
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Default Re: help with math

one more question.

evalute 95/19 + 19/95



a) 1 b) 26/5 c)2 d)107/19 e) 114/19
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Old 04-30-2006, 11:45 PM   #8
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Default Re: help with math

Dude, these questions are like super easy. What grade level are you in? Just curious. You just add them together and get e) 114. Post more and I'll try to solve them for you.

D'oh, you modified it after I answered the question. The answer is stiill the same. e) 114/19

The fractions have a common denominator already so you just add it through.
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Old 04-30-2006, 11:47 PM   #9
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Default Re: help with math

no, 114 is not the answer trdcorolla.

and theres another question above your post.

and im in grade 7
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Old 04-30-2006, 11:47 PM   #10
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i thought it was b. Arent those division signs?
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