document.write( "Question 1126222: Fahrenheit Celcius
\n" );
document.write( "Boiling point of water 212° 100°
\n" );
document.write( "Freezing point of water 32° 0°
\n" );
document.write( "Absolute zero –459.6° –273.1°
\n" );
document.write( "1. To convert from Fahrenheit to Celsius, subtract 32 and multiply by 59 .
\n" );
document.write( "Write a formula to describe this relationship. Define any variables that you have used.
\n" );
document.write( "2. Mercury is liquid in the range from –38.20°F to 674.06°F. Use your formula to convert this range to degrees Celsius.
\n" );
document.write( "3. Rearrange the equation in a. to make Fahrenheit the subject of the formula. \r
\n" );
document.write( "\n" );
document.write( "7. A ladder, of length 5 metres, is placed against a wall at an angle of 65° to the horizontal
\n" );
document.write( "1. Draw a diagram to represent the situation.
\n" );
document.write( "2. Use your knowledge of trigonometric ratios to calculate how high up the wall the ladder will reach.
\n" );
document.write( "3. How far will the foot of the ladder be from the base of the building? \r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #742542 by josgarithmetic(39630) ![]() You can put this solution on YOUR website! Too many separate questions in one posting.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(1) F and C temperatures\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Identify two points and create the formula. \n" ); document.write( "Points (F,C) are (32,0) and (212,100).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "That is formula for Celsius as function of Fahrenheit.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you want F as a function of C, then just solve the equation for F.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(2) and (3) \n" ); document.write( "You do those on your own. \n" ); document.write( " |