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Calculate 64^2/3. (No calculator)

64 2/3 may seem difficult to calculate at first but really boils down to two simple steps. This is because 64 2/3 = (64 1/3 ) 2 . This shows we can first do the operation inside of the brackets, followed by ...
HL
Answered by Harry L. Maths tutor
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Write 0.319319... as a fraction in its lowest terms

x = 0.319319... As there are three numbers that are recurring, we multiply x by 1000. 1000x = 319.319319... Then we can remove the recurring part by subtracting x from 1000x. 999x = 319 x = 319/999. We note ...
HL
Answered by Harry L. Maths tutor
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Solve 5x – 2 > 3x + 11

5x – 2 > 3x + 11 5x - 3x > 11 + 2 2x > 13 x > 13/2 x > 6.5
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Answered by Nagashriya A. Maths tutor
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expand (x + 5) (x + 3)

x^2 + 8x + 15
TW
Answered by Thomas W. Maths tutor
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How do you use the quadratic formula?

Every quadratic equation is in the form: ax 2 + bx + c The quadratic formula is as follows: [ -b ± sqrt(b 2 - 4ac) ] / 2a The quadratic formula finds you the roots of the quadratic equation.
TD
Answered by Tutor52832 D. Maths tutor
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