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m_a_m_a [10]
3 years ago
5

Are there about 100 elements

Mathematics
2 answers:
rjkz [21]3 years ago
4 0
Yea but there are precisely 118 total that we know of
Mrac [35]3 years ago
3 0
There are about 100 elements, I believe that there were 115 elements in 2001 , now the periodic table contains 118 elements .
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find two consecutive integers such that ten more than twice the smaller is seven less than three times the larger
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This is how I would work it out:

1st no. = x+1                 2x+10=3(x+1)-7
2nd no. = x                    2x+10=3x-4
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1st no. is 15; 2nd no. is 14 

To check: 28+10=38; three times the larger is 45; and 38 is 7 less than 45.


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