document.write( "Question 990406: What is the cardinality of 16 18 20 22 ...,50. And. 16,18,20. 22,24...48. 50 \n" ); document.write( "

Algebra.Com's Answer #610481 by ikleyn(52788) $\"\"$ $\"About$

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\n" ); document.write( "1. The number of elements in the sequence \r
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\n" ); document.write( "\n" ); document.write( "16, 18, 20, 22, . . . , 50\r
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\n" ); document.write( "\n" ); document.write( "(arithmetic progression with the first term 16 and the common difference 2) is \r
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\n" ); document.write( "\n" ); document.write( "n = $\"%2850-16%29%2F2+%2B+1\"$ = $\"34%2F2+%2B+1\"$ = $\"17%2B1\"$ = 18 \r
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\n" ); document.write( "\n" ); document.write( "(cardinality).\r
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\n" ); document.write( "\n" ); document.write( "2. And I am confused with yours second sequence.\r
\n" ); document.write( "\n" ); document.write( "Is it identical to the first one?\r
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