document.write( "Question 1148093: SAT Problems:\r
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document.write( "For what values of p does the equation px = 10 have a solution −5; 1; 20?\r
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document.write( "For what values of m does the equation mx = 5 have a single solution? Can m have a value for which the equation does not have solutions; have infinite number of solutions?\r
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document.write( "Miriam left Chicago at 9:00 AM and headed to Washington. The first 2 hour Miriam averaged 70 mph. But after she decided to reach Washington at 6:00 PM, she increased her speed. What was her speed after increasing, if the distance between the cities is 700 miles.\r
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document.write( "I actually tried to solve these problems. Please help(please include the steps too). Thank you so much! \n" );
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Algebra.Com's Answer #769468 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "For the first two questions, the statements of the problems are not at all clear.... \n" ); document.write( "For any equation of the form A*B=C, as long as C is not 0, the equation has a single solution for A given a value for B, and a single solution for B given a value of A. \n" ); document.write( "If in an equation of that form C=0, then one of A or B has to be 0; then there is an infinite number of solutions for the other number, since any number times 0 is 0. \n" ); document.write( "There are no equations of that form that have no solutions. \n" ); document.write( "last question.... \n" ); document.write( "The trip is 9 hours, from 9am to 6pm; in the first 2 hours at 70mph, she travels 70*2=140 miles; she has 700-140=560 miles left to go; she wants to travel those 560 miles in 9-2=7 hours. \n" ); document.write( "What speed is required to travel 560 miles in 7 hours? \n" ); document.write( " \n" ); document.write( " |