document.write( "Question 1109070: For my homework, I need step by step instructions.\r
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document.write( "Point slope form for this problem (-2,1); m=-2 \r
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document.write( "Next problems:\r
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document.write( "Write the equation for: What number should be added to -64 to get -70.\r
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document.write( "Write the equation for: -64 times a number minus 70 is equal to -14 less than the number.\r
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document.write( "If the formula for the circumference of a circle is: C=2PIr, r(radius) would equal= (Show work to get \"r\" alone):\r
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document.write( "Solve for \"x\" in the inequality: -3(2x-5)< 3 (x-1)\r
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document.write( "Thank you so much for your help!
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Algebra.Com's Answer #724086 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Point slope form for this problem (-2,1); m=-2 \n" ); document.write( "The point/slope form y - y1 = m(x-x1) \n" ); document.write( "in this problem \n" ); document.write( "x1=-2; y1=1; m=-2 \n" ); document.write( "y - 1 = -2(x-(-2)) \n" ); document.write( "y - 1 =-2(x+2) \n" ); document.write( ": \n" ); document.write( " Write the equation for: What number should be added to -64 to get -70. \n" ); document.write( "x - 64 = -70 \n" ); document.write( " Write the equation for: -64 times a number minus 70 is equal to -14 less than the number. \n" ); document.write( "-64x - 70 = x - 14 \n" ); document.write( ": \n" ); document.write( " If the formula for the circumference of a circle is: C=2PIr, r(radius) would equal= (Show work to get \"r\" alone): \n" ); document.write( " \n" ); document.write( "divide both sides by \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( " Solve for \"x\" in the inequality: \n" ); document.write( "-3(2x-5)< 3 (x-1) \n" ); document.write( "distribute the 3 \n" ); document.write( "-6x + 15 < 3x - 3 \n" ); document.write( "subtract 3x from both sides \n" ); document.write( "-6x - 3x + 15 = -3 \n" ); document.write( "-9x + 15 < -3 \n" ); document.write( "subtract 15 from both side \n" ); document.write( "-9x < -3 - 15 \n" ); document.write( "-9x < -18 \n" ); document.write( "get rid of the neg, multiply by -1, this reverses the inequality sign \n" ); document.write( "9x > 18 \n" ); document.write( "x > 18/9 \n" ); document.write( "x > 2 \n" ); document.write( "You can check the solution in the original equation, replace x with a number greater than 2 \n" ); document.write( "See if it is true \n" ); document.write( " |