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Questions in Grade Middle-school

[Open]A piece of wood is 180 cm long. Tom cuts it into three pieces in the ratio 2:3:4. Work out the length of the longest piece.

[Open]Work out the number that is halfway between 27 times 38 and 33 times 38. Show your working out as well.

[Open]The number 6 is halfway between 4.5 and 7.5. Answer the missing numbers below: - The number 6 is halfway between 2.8 and ....... - The number 6 is halfway between -12 and .......

[Open]Why does a pendulum eventually stop swinging?

[Open]What is \(2.333333\) in fraction form?

[Open]Which of the following suffered most from DDT poisoning in the Great Lakes region?

[Open]Is 5.33 a rational number?

[Open]Represent the following statement by an equation: 17 times the sum of a number \( n \) and 31 is 357. What is the value of \( n \)?

[Open]What two numbers multiply to equal -144 and add to equal -24?

[Open]What is [tex]x^2[/tex] divided by [tex]x[/tex]?