document.write( "Question 104508: Hello-\r
\n" ); document.write( "\n" ); document.write( "My name is Jessica and I am a tutor too. I could not get these for my student. Please help and explain so I can help him. \r
\n" ); document.write( "\n" ); document.write( "Thank you!!\r
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\n" ); document.write( "\n" ); document.write( "1. 1/p-1/q= 1/f solve for f\r
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\n" ); document.write( "\n" ); document.write( "2. A= (h(a+b))/2 solve for b\r
\n" ); document.write( "\n" ); document.write( "3. V= Q/r1- Q/R2 solve for Q
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Algebra.Com's Answer #76047 by Earlsdon(6294)\"\" \"About 
You can put this solution on YOUR website!
Ok Jessica, here we go:
\n" ); document.write( "1. \"1%2Fp+-+1%2Fq+=+1%2Ff\" It will simplify things a bit if we first subtract the fractions on the left side.
\n" ); document.write( "\"%28q-p%29%2Fpq+=+1%2Ff\" Now multiply both sides by f.
\n" ); document.write( "\"f%28%28q-p%29%2Fpq%29+=+1\" Now multiply both sides by the inverse of \"%28%28q-p%29%2Fpq%29\". This is the same as dividing both sides by \"%28%28q-p%29%2Fpq%29\"
\n" ); document.write( "\"f+=+%28pq%2F%28q-p%29%29\"\r
\n" ); document.write( "\n" ); document.write( "2. \"A+=+%28h%28a%2Bb%29%29%2F2\" Solve for b. First, multiply both sides by 2.
\n" ); document.write( "\"2A+=+h%28a%2Bb%29\" Now divide both sides by h.
\n" ); document.write( "\"2A%2Fh+=+a%2Bb\" Finally, subtract a from both sides.
\n" ); document.write( "\"%282A%2Fh%29-a+=+b\"\r
\n" ); document.write( "\n" ); document.write( "3. \"V+=+%28Q%2Fr%5B1%5D%29-%28Q%2FR%5B2%5D%29\" Solve for Q (I hope I interpreted this correctly!) First, factor the Q.
\n" ); document.write( "\"V+=+Q%28%281%2Fr%5B1%5D%29-%281%2FR%5B2%5D%29%29\" Simplify the right side.
\n" ); document.write( "\"V+=+Q%28%28R%5B2%5D-r%5B1%5D%29%2Fr%5B1%5DR%5B2%5D%29\" Now multiply both sides by the inverse of \"%28%28R%5B2%5D-r%5B1%5D%29%2Fr%5B1%5DR%5B2%5D%29\"
\n" ); document.write( "\"V%28r%5B1%5DR%5B2%5D%2F%28R%5B2%5D-r%5B1%5D%29%29+=+Q\"
\n" ); document.write( "Done!
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