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math

posted by on .

sove for x.
1. 2/3(x+4)=8


round the results to the nearest tenth and then to the nearest hundredth:
2. -57.124/10.104
3. -13.254(-3.145)

  • math - ,

    2/3(x+4)=8
    Clear the fraction by multiplying both sides by 3.
    2(x+4)=24
    Clear the parentheses.
    2x + 8 = 24
    Move the 8 to the other side.
    2x = 24-8
    combine terms
    2x = 16
    Divide both sides by 2
    2x/2 = 16/2
    x = 8



    round the results to the nearest tenth and then to the nearest hundredth:
    2. -57.124/10.104
    3. -13.254(-3.145)
    2 is
    -57.124/10.104 = -5.6535
    I don't know what you've been taught on rounding (positive OR negative numbers) so I'll let this go.

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