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Number of problems found: 246

  • Newton's task
    Grass grows in the meadow equally fast and evenly. It is known that 35 cows graze meadow for 27 days and 39 cows by 24 days. How many cows graze the meadow for 6 days?
  • Equation
    Equation f(x) = 0 has roots x1 = 64, x2 = 100, x3 = 25, x4 = 49. How many roots have equation f(x²) = 0?
  • Function
    For linear function f(x) = ax + ​​b ‬ is f(19)=141; f(20)=168. Calculate m, if f(m) = 2018.
  • Trigonometric functions
    In the right triangle is: tg α= frac(4) 2 Find the value of s and k: sin α= (s)/(√ 20) cos α= (k)/(√ 20)
  • Trigonometry
    If you know that cos(γ) = sin (806°), what is the angle γ?
  • Election mathematics
    In elections, 8 political parties received this share of voters: strana A ; 56 % strana B ; 11.9 % strana C ; 11.7 % strana D ; 8.8 % strana E ; 6.3 % strana F ; 5.1 % strana G ; 0.2 % Calculate what the shares acquired in the parliament if a quorum is 5%
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