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IGCSE MATH REVIEW!

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  • What are the values of a, b and c
    47, 71, 62
  • 15(x - 2) - 20(x - 2)^2
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  • James and Sarah are both taking a music examination independently. The probability that James passes is 3/4 and the probability that Sarah passes is 5/6 . What is the probability that at least one passes.
    23/24
  • What are the values of x and y. Give reasons.
    Vertically opposite and angles on a straight line
  • Solve 8(p+4) - 10(9p -6)
    82p+92
  • Find the perimeter.
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  • (3x +5)(4x - 7)
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  • a -b / c = d make b the subject of the formula.
    b = a-cd
  • Find the area of the object.
    ---
  • What is the HCF of 168 and 180.( Use Prime factors)
    2 x 2 x 3 = 12
  • (x^3)^4 / (x^6)^2
    1
  • 2(y-4) + 4(y+2) = 30
    y = 5
  • Simplify 2x(x+3) + x(x-4)
    3x(square) +2X
  • Simone and Jon are playing darts. The probability that Simone hits a bull’s-eye is 0.1. The probability that Jon throws a bull’seye is 0.2. Simone and Jon throw one dart each. Find the probability that exactly one bull's-eye is thrown?
    0.26
  • Find the volume of water in the diagram.
    ---
  • 25^1.5
    125
  • (3, 7, 11, 15 ... )Find the nth term formula for the sequence.
    4n - 1
  • Prove that 0. 818181818181... is a rational number.
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  • 10x^3y^2 / 5xy
    2x^2y
  • What are the sum of the interior angles of a decagon?
    144
  • A card is drawn from an ordinary 52 card pack. What is the probability that the card will be a five.?
    4/52 then 1/13
  • What is the LCM of 72 and 120
    2 x 2 x 2 x 3 x 3 x 5 = 360
  • The probability that Jasmine passes her driving test is 4/7 . What is the probability that Jasmine fails?
    3/7
  • round 1.076 to (3sf)
    1.08
  • What is the mathematical name for an angle that is bigger that 90 but smaller than 180?
    Obtuse
  • (3y^2)^-3
    1/27y^6
  • Round 0.00736 to (1sf)
    0.007
  • 4n - 2 is the formula for a sequence. Find the value of the 40th term.
    158