document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=173035>Question 173035</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9781567655568/algebrahomeworkh>Amsco's Preparing for the Regents Examination Mathematics B</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> 6) The test scores in Mrs. Kaste's Math B class are normally distrubuted with a mean of 85 and a standard deviation of 5. Between what two scroes would 95.4 percent of the scores fall?<BR>\n" );
document.write( "    1) 70-100   2) 75-95   3) 80-90  4) 85-90\r<BR>\n" );
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document.write( "7) The heights of the tides at jones beach, ny are a function of the time of day. The time from oine high tide to another is approximately 13 hours. Which of the following types of functions would best model this situation?<BR>\n" );
document.write( "*Explain why for the graph<BR>\n" );
document.write( "   1) exponential   2) linear  3) logarithmic 4) trignometric\r<BR>\n" );
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document.write( "8) Solve for x: (3 + 2i) + (4 + xi)= 7 - 5i<BR>\n" );
document.write( "   1) -7   2) -3  3) 3   4)7\r<BR>\n" );
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document.write( "Show work please, thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #129659 by </B><A HREF=/tutors/aboutme.mpl?userid=nycsub_teacher><B>nycsub_teacher(90)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nycsub_teacher><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=129659\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 8) Solve for x: (3 + 2i) + (4 + xi)= 7 - 5i\r<BR>\n" );
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document.write( "First simplify (3 + 2i) + (4 + xi) = 7 + (2 + x)i\r<BR>\n" );
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document.write( "Next, equate  7 + (2 + x)i to 7 - 5i\r<BR>\n" );
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document.write( "7 + (2 + x)i = 7 - 5i\r<BR>\n" );
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document.write( "7 + 2i + xi = 7 - 5i\r<BR>\n" );
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document.write( "2i + xi = -7 + 7 - 5i\r<BR>\n" );
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document.write( "2i + xi = -5i\r<BR>\n" );
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document.write( "xi = -5i - 2i\r<BR>\n" );
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document.write( "xi = -7i\r<BR>\n" );
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document.write( "x = -7i/i\r<BR>\n" );
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document.write( "x = -7\r<BR>\n" );
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document.write( "Understood?\r<BR>\n" );
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document.write( " </SPAN>\n" );
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