Examples for 9th grade

Number of problems found: 3013

  • ABS
    sphere_nice What is the value of ? ?
  • AP - simple
    sigma Determine the first nine elements of sequence if a10 = -1 and d = 4
  • Fraction
    polynomial For what x expression ? equals zero?
  • Powers
    1power Express the expression ? as the n-th power of the base 10.
  • Trigonometry
    sinus Is true equality? ?
  • Percentages
    permutations_3 52 is what percent of 93?
  • One half
    one_half One half of 2 75 is: ...
  • Line
    skew_lines It is true that the lines that do not intersect are parallel?
  • Percentages
    percent2 Expressed as a percentage:
  • A number
    Permutations A number 5% greater than 75?
  • What percent
    percent What percent of 51 3/5 is 47 2/5?
  • Expression with powers
    eq222 If x-1/x=5, find the value of x4+1/x4
  • Value 4
    fractal If 5/18=425, what is the value 13/18?
  • 6 terms
    arithmet_seq Find the first six terms of the sequence. a1 = 7, an = an-1 + 6
  • Sequence
    seq Write the first 6 members of this sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an
  • Medals
    medails In how many ways can be divided gold, silver, and bronze medal among 21 contestants?
  • Percentage 10
    trenky 52 shorts and missed 13. Calculate percentage
  • PIN - codes
    pin How many five-digit PIN - code can we create using the even numbers?
  • Examination
    examination The class is 21 students. How many ways can choose two to examination?
  • Teams
    football_team How many ways can divide 16 players into two teams of 8 member?

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