Arithmetic - math word problems

Number of problems found: 2620

  • Compare
    compare Compare with characters >, <, =: 85.57 ? 80.83
  • Cubic
    natural_gas Convert 660 m3 of natural gas volume to energy units kWh. Combustion of 1 cubic meter of natural gas is released energy 10.55 kWh.
  • Average
    avg The arithmetic mean of the two numbers is 71.7. One number is 5. Calculate the second number.
  • Gauss
    kfgauss Help little C.F. Gauss sum all the integers from 1 to 400.
  • Triangle
    triangles Prove whether you can construct a triangle ABC, if a=9 cm, b=6 cm, c=10 cm.
  • School
    trieda 27 students of 6.D class are going on a trip. They pay 9 € each. The teacher got 153 €. How many children have not paid?
  • Product
    floring The product of two consecutive odd numbers is 8463. What are this numbers?
  • Angle
    os_uhla Draw angle |∠ ABC| = 130° and built its axis. What angle is between axis angle and arm of angle?
  • Circles 2
    zlozite_kruznice Calculate the area bounded by the circumscribed and inscribed circle in triangle with sides 12 cm, 14 cm, 18 cm.
  • Money
    hyperinflation Everyone complains about the lack of money. In fact, there is no shortage of money, but the relative scarcity of goods and things that people buy for the money. Calculate what percentage of the price of all goods and services rose immediately, if everyone
  • Sphere
    1sphere The surface of the sphere is 12100 cm2, and the weight is 136 kg. What is its density?
  • Shots
    broky 5500 lead shots with diameter 4 mm are decanted into a ball. What is its diameter?
  • Subsets
    1venna_sets How many are all subsets of set C = (97, 67, 66, 18, 59, 64)?
  • Biquadratic
    bikvadraticka By introducing a new variable solve biquadratic equation: - x 4 +277 x2 -15876=0
  • Powers
    math_fun Is true for any number a,b,c,d equality:? ?
  • Is equal
    compass Is equal following terms? -9 21 = (-9) 21
  • Binomials
    two_persons To binomial 36x2-168x add a number to the resulting trinomial be square of binomial.
  • Root
    sq_root Use law of square roots roots: ?
  • Rates
    gas_meter When gas consumption, the consumer may choose one of two rates: rate A - which pays 0.4 € per 1 m3 of gas a flat monthly fee of 3.9 € (regardless of consumption) rate B - which pays 0.359 € per 1 m3 of gas a flat monthly fee of 12.5 € From what monthly
  • Quadratic equation
    parabola Determine the numbers b, c that the numbers x1 = -1 and x2 = 3 were roots of quadratic equation: -3x 2 + b x + c = 0

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