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4 years ago

5

8 squared plus 9 left parenthesis 12 divided by 3 times 2 right parenthesis minus 7

1 answer:

lbvjy [14]4 years ago

6 0

$\sqrt{8 + 9} (12 \div 3 \\ \times 2) - 7 = x$
$\sqrt{17} (4 \times 2) - 7$

$\sqrt{17} (8) - 7$
$4.12 \times 8 - 7$
$32.96 - 7$
$x = 25.96 \: which \: is \: around \: to \: 26$

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the complete question in the attached figure

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$72 ------------------------------------ > for every television sold

$90 ------------------------------------ > for every computer sold.

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case C------------ > (3,1) (2,2) (1,0)

72x+90y --------- > 72*3+90*1=306 < 360----- > is not solution

72x+90y --------- > 72*2+90*2=324 < 360----- > is not solution

72x+90y --------- > 72*1+90*0=72 < 360----- > is not solution

case D------------ > (4,0) (3,3) (1,4)

72x+90y --------- > 72*4+90*0=288 < 360----- > is not solution

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