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Mathematics
17.02.2022 16:03
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Which expression is equivalent to

Which expression is equivalent to
Which expression is equivalent to
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9Time
9Time
4,9(29 marks)

\frac{3}{2} x - 2

Step-by-step explanation:

1/2 (2+ 3x -6)

1/2(3x-4)

3/2x - 2

You do the parentheses first because of PEDMAS.  So 1 combined the 2 and the -6.

mdoswalt
mdoswalt
4,4(31 marks)

30%

Step-by-step explanation:

Percent error = \dfrac{|\text{Estimated value - Actual value}|}{\text{Actual value}}\times100\%

Estimated number of games win this year = 7

Actual number of games won = 10

Now ,   the percent error of Doug’s estimate = \dfrac{|7-10|}{10}\times100\%= \dfrac{3}{1}\times10\%=30\%

Hence, the percent error of Doug’s estimate = 30%

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