document.write( "Question 163379: I am having trouble doing these problems. Can you help me.\r
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document.write( "2. Solve the following:
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document.write( "i. -2x = 3x + 4
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document.write( "ii. 3x/4 = 6
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document.write( "iii. y/6 + 1 = 9
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document.write( "iv. 6 = -2x/4
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document.write( "v. Find f(1) for f(x) = 4x3 - 3x2 - x + 2
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document.write( "vi. A function gives the value of C as 2 × (22/7) × r. Find C when r = 21 cm and r = 84 cm.
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Algebra.Com's Answer #120390 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! i. -2x = 3x + 4 \n" ); document.write( "-2x-3x=4 \n" ); document.write( "-5x=4 \n" ); document.write( "x=4/-5 \n" ); document.write( "x=-4/5 Answer. \n" ); document.write( "ii. 3x/4 = 6 \n" ); document.write( "3x=4*6 \n" ); document.write( "3x=24 \n" ); document.write( "x=24/3 \n" ); document.write( "x=8 Answer. \n" ); document.write( "iii. y/6 + 1 = 9 \n" ); document.write( "y/6=9-1 \n" ); document.write( "y/6=8 \n" ); document.write( "y=8*6 \n" ); document.write( "y=48 Answer. \n" ); document.write( "iv. 6 = -2x/4 \n" ); document.write( "6=-2x/4 \n" ); document.write( "-2x=4*6 \n" ); document.write( "-2x=24 \n" ); document.write( "x=24/-2 \n" ); document.write( "x=-12 \n" ); document.write( "v. Find f(1) for f(x) = 4x3 - 3x2 - x + 2 \n" ); document.write( "f(1)=4*1^3-3*1^2+2 \n" ); document.write( "f(1)=4*1-3+2 \n" ); document.write( "f(1)=4-3+2 \n" ); document.write( "f(1)=3 Answer. \n" ); document.write( "vi. A function gives the value of C as 2 × (22/7) × r. Find C when r = 21 cm and r = 84 cm. \n" ); document.write( "c=2(22/7)r \n" ); document.write( "c=2*22/7*21 \n" ); document.write( "c=2*22*21/7 \n" ); document.write( "c=924/7 \n" ); document.write( "c=132 Answer. \n" ); document.write( "c=2(22/7)84 \n" ); document.write( "c=2(22*84/7) \n" ); document.write( "c=2(1848/7) \n" ); document.write( "c=3696/7 \n" ); document.write( "c=528 Answer. \n" ); document.write( " \n" ); document.write( " |