document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1195304>Question 1195304</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The temperature of a cup of cocoa t minutes after it is made is given by the function C(t) = (a + b)(0.95)^t, where a is the temperature of the room, in degrees Celsius, and a + b is the initial temperature of the cocoa. in degrees Celsius. If the cocoa is initially 80°C and the temperature of the room is 20°C, what will the temperature of the cocoa be 2 minutes later, rounded to the nearest degree Celsius? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #827762 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52776)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=827762\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "The temperature of a cup of cocoa t minutes after it is made is given by the function C(t) = (a + b)(0.95)^t, <BR>\n" );
document.write( "where a is the temperature of the room, in degrees Celsius, and a + b is the initial temperature of the cocoa. <BR>\n" );
document.write( "in degrees Celsius. If the cocoa is initially 80°C and the temperature of the room is 20°C, <BR>\n" );
document.write( "what will the temperature of the cocoa be 2 minutes later, rounded to the nearest degree Celsius?<BR>\n" );
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document.write( "The formula for the temperature  &nbsp;C(t)  &nbsp;is written incorrectly in your post.\r<BR>\n" );
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document.write( "To see many similar solved problems of this type, &nbsp;look into the lesson\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/logarithm/Solving-problem-on-Newton-Law-of-cooling.lesson>Solving problem on Newton Law of cooling</A> \r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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document.write( "Learn the subject from there.\r<BR>\n" );
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document.write( "Also, &nbsp;you have this free of charge online textbook in ALGEBRA-I in this site\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson>ALGEBRA-I - YOUR ONLINE TEXTBOOK</A>.\r<BR>\n" );
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document.write( "The referred lessons are the part of this online textbook under the topic \"<U>Logarithms</U>\".\r<BR>\n" );
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document.write( "Save the link to this online textbook together with its description\r<BR>\n" );
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document.write( "Free of charge online textbook in ALGEBRA-I<BR>\n" );
document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r<BR>\n" );
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document.write( "to your archive and use it when it is needed.\r<BR>\n" );
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document.write( "<U>Comment from student</U>: 𝐶(0)=𝑎+𝑏=80°𝐶 𝑎=20°𝐶 𝑏=80°𝐶−20°𝐶 𝑏=60°𝐶 𝐶(𝑡)=20+60(0.95)^𝑡 𝐶(2)=20+60(0.95)^2 𝐶(2)=20+60[0.9025] 𝐶(2)=20+54.15 𝐶(2)=74.15°𝐶≈74°𝐶\r<BR>\n" );
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document.write( "<U>My response</U> : &nbsp;&nbsp;Hey, &nbsp;I do not need your solution, &nbsp;so you posted it to me to not purpose.\r<BR>\n" );
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document.write( "You better learn to write the formulas correctly . . . \r<BR>\n" );
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document.write( " </SPAN>\n" );
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