Square + reason - math problems

Number of problems found: 49

  • Squares
    From the square with the integer side, cut out the square with the integer side so that the residual area is 100. What is the longest possible side of the larger square?
  • Chi square
    A manufacturer of phone batteries claims that his batteries' lives are approximately normally distributed with a standard deviation equal to 0.9 years. If a random sample of 10 of these batteries has a standard deviation of 1.2 years. Do you think that th
  • Tower
    Charles built a tower of cubes with an edge 2 cm long. In the lowest layer there were 6 cubes (in one row) in six rows, in each subsequent layer always 1 cube and one row less. What volume in cm3 did the whole tower have?
  • Mr Duma
    Mr Duma recently inherited a rectangular plot, part of the estate left by his late father. The plot with the following dimensions: Length=2x+1;Width=x-1. Determine the formula, in terms of x, that best describes the area of the rectangular plot. He has pl
  • Granddaughter
    In 2014, the sum of the ages of Meghan's aunt, her daughter and her granddaughter was equal to 100 years. In what year was the granddaughter born, if we know that the age of each can be expressed as the power of two?
  • Cardboard box
    Peter had square cardboard. The length of the pages was an integer in decimetres. He cut four squares with a side of 3 dm from the corners and made a box out of it, which fit exactly 108 cubes with an edge 1 dm long. Julia cut four squares with a side of
  • Rectangles
    How many different rectangles can be made from 60 square tiles of 1 m square? Find the dimensions of these rectangles.
  • Coordinates of square vertices
    I have coordinates of square vertices A / -3; 1/and B/1; 4 /. Find coordinates of vertices C and D, C and D. Thanks, Peter.
  • Folding table
    The folding kitchen table has a rectangular shape with an area of 168dm2 (side and is 14 dm long). If necessary, it can be enlarged by sliding two semi-circular plates (at sides b). How much percent will the table area increase? The result round to one-hu
  • The tickets
    The tickets to the show cost some integer number greater than 1. Also, the sum of the price of the children's and adult tickets, as well as their product, was the power of the prime number. Find all possible ticket prices.
  • Two rectangles 2
    A square of area 36 cm2 is cut out to make two rectangles. A and B The area of area A to area B is 2 : 1 Find the dimensions of rectangles A and B.
  • Set of coordinates
    Consider the following ordered pairs that represent a relation. {(–4, –7), (0, 6), (5, –3), (5, 2)} What can be concluded of the domain and range for this relation?
  • Four pavers
    Four pavers would pave the square in 18 days. How many pavers do you need to add to done work in 12 days?
  • Lake or pond
    The landlord has a square lake. Trees grow around this lake. The lake wants to enlarge the pond twice and not cut down or flood any tree. How will he do that?
  • Two pipes
    How long will the pool be filled with a double supply pipe if it takes the pool to fill the first pipe by 4 hours longer and the second pipe 9 hours longer than both pipes open at the same time?
  • Bricks pyramid
    How many 50cm x 32cm x 30cm brick needed to built a 272m x 272m x 278m pyramid?
  • Find the
    Find the image A´ of point A [1,2] in axial symmetry with the axis p: x = -1 + 3t, y = -2 + t (t = are real number)
  • Quarter circle
    What is the radius of a circle inscribed in the quarter circle with a radius of 100 cm?
  • Square into three rectangles
    Divide the square with a side length of 12 cm into three rectangles with have the same circumference so that these circumferences are as small as possible.
  • Equilateral triangle
    A square is inscribed into an equilateral triangle with a side of 10 cm. Calculate the length of the square side.

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Square Problems. Reason - math problems.