document.write( "Question 78758: Hello. Could someone please help me with these problems? I don't know what to do.....Thanks:)\r
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document.write( "1) Determine whether squrt.49/100 is rational or irrational.\r
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document.write( "2) What is the diagonal length of a TV screen whose dimensions are 80 by 60 cm? \r
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document.write( "3) How far up a wall will an 11m ladder reach, if the foot of the ladder must be 4m from the base of the wall? Round your answer to the nearest tenth.
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document.write( "4) Find the distance between (–3, –2) and (1, 4)\r
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document.write( "Thanks!!!!:) \n" );
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Algebra.Com's Answer #56493 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! sqrt49/100=7/10 or .7 or 70% it is very rational. \n" ); document.write( "------------------------------------------------------------ \n" ); document.write( "60^2+80^2=x^2 \n" ); document.write( "3600+6400=x62 \n" ); document.write( "10000=x^2 \n" ); document.write( "x=sqrt10000 \n" ); document.write( "x=100 answer. length of the diagonal. \n" ); document.write( "------------------------------------------------------------ \n" ); document.write( "4^2+x^2=11^2 \n" ); document.write( "16+x^2=121 \n" ); document.write( "x^2=121-16 \n" ); document.write( "x^2=105 \n" ); document.write( "x=sqrt105 \n" ); document.write( "x=10.25 answer for the height up the wall for this ladder. \n" ); document.write( "------------------------------------------------------------- \n" ); document.write( "the distance between these two points is the diagonal formed by the right triangle with dimentions of: \n" ); document.write( "x=(1+3)=4 & y=4+2)=6 thus usuing the pythagorean theorem a^2+b^2=c^2 \n" ); document.write( "4^2+6^2=c^2 \n" ); document.write( "16+36=c^2 \n" ); document.write( "c^2=52 \n" ); document.write( "c=sqrt52 \n" ); document.write( "c=7.2111 answer. \n" ); document.write( " |