Units - math word problems

Number of problems found: 3469

  • Cube 6
    cubes_20 Volume of the cube is 216 cm3, calculate its surface area.
  • A rectangle's
    rectangles2 A rectangle's length is 3 times more than twice its width. If the perimeter of the rectangle is 60 feet. What is the length of the rectangle
  • An airplane
    aircraft-02 An airplane flies 1440 km in 2 1/4 hours. What is its average speed in km per hour?
  • Slow saving in banks
    penize_5 How long will it take to save € 9,000 by depositing € 200 at the beginning of each year at 2% interest?
  • Prices
    pokladna The price of the product was increased by 35%. How many percents of the new price we have to make it cheaper so that its price is equal to the original price?
  • Discount
    saty_1 The dress was discounted by CZK 115, which was 12% of the original price. What is the cost of the dress after the discount?
  • Wire D
    semicircle_1 Wire length 1 m is bent so that it forms a semicircle circuit (including the diameter). Determine the radius of the semicircle.
  • Gear wheels
    gear Two gear wheels, which fit together, have the number of teeth z1=58 and z2=149. Calculate the speed of the first wheel, if the second wheel rotates 1232 revolutions per minute.
  • Salary
    500euro Lawyer got to pay 840 Euros in banknotes of 20 and 50 Eur. Total got 18 banknotes. How many was which?
  • Annual rainfall
    rain_7 The average annual rainfall is 686 mm. How many liters will fall on the 1-hectare field?
  • Magnification of the square
    square If we increase the square side, increase the content of the 70 %. About what percentage was increased his sides?
  • Rotating cone
    kuzel2 The rotating cone has a base diameter of 18 dm and a height of 12 dm. Calculate the volume V.
  • Squares
    squares2 From a square of 12 dm perimeter is cut smaller square, whose side is the third side of the square. What is the area of the rest?
  • Bulbs
    bulb The probability that the bulb can operate 4000 hours is 0.3. What is the probability that exactly one of eight bulbs can operate 4000 hours?
  • Isosceles trapezium
    isoscele_trapezoid Trapezoid YUEB (YU||EB) is isosceles. The size of the angle at vertex U is 49 degrees. Calculate the size of the angle at vertex B.
  • If you 4
    exp_growth If you deposit $2500 in an account paying 11% annual interest compounded quarterly, how long until there is the $4500 in the account?
  • Calculate 6
    distance_point_line Calculate the distance of a point A[0, 2] from a line passing through points B[9, 5] and C[1, -1].
  • Six speeds
    gears-3 A drilling machine is to have 6 speed ranging from 50 to 750 revolution per minute. If the speed forms a geometric progression, determine their values.
  • Triangle 42
    triangle2_4 Triangle BCA. Angles A=119° B=(3y+14) C=4y. What is measure of triangle BCA=?
  • Wood dividing
    meter_23 Which equation calculates the number of 1/3-foot pieces that can be cut from a piece of wood that is 7 feet long?

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