Themes, topics - math problems

Number of problems found: 1018

  • Reciprocal
    inverse It is true (prove it) that if a> b> 0: ?
  • The sum graphically
    fun_1 Draw a graphically sum of the all sides of 4-gon ABCD.
  • Year 2018
    new_year The product of the three positive numbers is 2018. What are the numbers?
  • Six students
    painter Two pupils painted the class in four hours. How long will it take for six pupils?
  • Intersections
    linearna Find the intersections of the function plot with coordinate axes: f (x): y = x + 3/5
  • Fast tourists
    tourist_1 If three tourists pass the route in 5 hours, how long will the same route take six equally fast tourists?
  • Rocket start
    freefall1 The body launched vertically up returns to the start site in 6 seconds. What height did it have?
  • Car
    formula Car is going 95 km per hour. How long distance goes in 1 minute?
  • Equation algebraogram
    reading Solve the equation: oco + ivo = cita How much has the task of solutions?
  • Midnight 2
    midnight It was 8 degrees at nightfall. The temperature dropped 10 by midnight. What was the temperature at midnight?
  • The car
    car The car travels at a speed of 70 km/h, what distance will it travel in 2 hours?
  • 10 pieces
    circle_div How to divide the circle into 10 parts (geometrically)?
  • Free fall
    volny pad How long does the stone fall freely into a depth of 80m? What speed will it hit the bottom of the abyss?
  • Proof PT
    pytagoras Can you easily prove Pythagoras theorem using Euclidean theorems? If so, do it.
  • Christmas Day
    stedryd In leap years was 53 Sundays. On what day of the week fell to Christmas Day?
  • Proof I
    ithinkiam When added to the product of two consecutive integers larger one, we get square larger one. Is this true or not?
  • Rotary motion
    clocks2_1 Find the orbital time, rotational frequency, and angular rate of the second and minute hands on the watch.
  • Seven
    trpaslíky Seven dwarfs will cut 420 stumps in 15 hours. After five hours, the two dwarves disappear discreetly. How many hours will the remaining dwarves complete the task?
  • Hexagon = 8 parts
    stef.6.11.99 Divide the regular hexagon into eight equal parts.
  • Free fall
    volny_pad_2_ap The free fall body has gone 10m in the last 0.5s. Find the body speed at the moment of impact.

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