Length + multiplication - math problems

Number of problems found: 37

  • Cube
    krychle How many times increases the surface area of a cube with edge 23.4 cm if the length of the edge doubled?
  • Length 7
    square_numbers Length equals 7/6 inch in width equals 7/9 inches the area is?
  • Steps
    step Adult step has a length 76 cm. How many steps will he goes distance 50 meters? How many meters he goes when he makes 700 steps?
  • Milimeters
    meter How many millimeters is 1/4 meters?
  • Sandpile
    sandpile_1 Auto sprinkled with sand to an approximately conical shape. Workers wanted to determine the volume (amount of sand) and therefore measure the base's circumference and the length of both sides of the cone (over the top). What is the sand cone's volume if t
  • Wallpaper
    tapeta Salesman account for 2.3 meters of wallpaper 149.50 Kc. How much cost 1 meter of wallpaper?
  • Weight of air
    weighting What is the weight of air in the living room measuring width 10 m length 3 m and height 3.3 m? Air density is ρ = 1.2 kg/m3.
  • Cube 3
    krychle_2 How many times will increase the volume of a cube if we double the length of its edge?
  • Similarity coefficient
    eqlateral_triangles The ratio of similarity of two equilateral triangles is 3.5 (ie 7:2). The length of the side of smaller triangle is 2.4 cm. Calculate the perimeter and area of ​​the larger triangle.
  • Cube 2
    krychle_1 How many times will increase if the surface area of the cube if we triple length of its edge?
  • Aircraft
    787 If an airplane flies 776 km/h for 7.4 h, how far does it travel?
  • Percent chaining
    meter_1 Calculate 20% from 70% from 80 km
  • Cyclist
    cyclist_2 A cyclist passes 88 km in 4 hours. How many kilometers did he pass in 8 hours?
  • 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.
  • Pencil cut
    tuzky_2 Veronika cut 10cm pencil. Each turn, the pencil was reduced by 0.2mm. She turned the pencil 100 times. How many centimeters has a pencil now?
  • Tailor 5
    textiles_1 A tailor uses 13/4m of cloth to stitch a skirt. How many metres of cloth is needed to stitch 16 skirts?
  • Rainfall
    storm Annual rainfall in our country is an average of 797 mm. How many m3 of water rains on average per hectare?
  • Carpet
    koberec The room has rectangle shape with dimensions 4 m × 3.8 m. How many meters of carpet a width of 3 need to buy to cover the entire room?
  • Steps
    square_diagonal_1 How many steps you save if you go square estate for diagonal (crosswise), rather than circumvent on the two sides of its perimeter with 307 steps.
  • Wood bars
    wood_bars It is 9 bars 14 meters long and 9 bars 11 meters long. How many 5-meter lath is needed to make them?

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