Numeric question

It is possible negative irrational number?

Result




Solution:

Solution in text 1=







Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




To solve this example are needed these knowledge from mathematics:

Next similar examples:

  1. Roots
    square_roor Calculate the square root of these numbers:
  2. The square
    numbers_49 The square root of 25 times the square root of 81 is what number?
  3. Unknown number 17
    5to2 Milada said, I am thinking of a number such that I evaluate expression x1/3, the value of the expression would be 5. Which number Milada thinking?
  4. Average
    avg The arithmetic mean of the two numbers is 71.7. One number is 5. Calculate the second number.
  5. Mysterious number
    fun3_9 The magician thinks the number: "The mysterious number is first divided by minus five, dividing the result by three, multiplying the number by ten, and dividing the resulting number by minus four. This gives result 5. Can you reveal the mysterious number?
  6. Calculation
    pocty How much is sum of square root of six and the square root of 225?
  7. Square
    namestie Rectangular square has side lengths 183 and 244 meters. How many meters will measure the path that leads straight diagonally from one corner to the other?
  8. Cube wall
    kocka Surface of first cube wall his 225 mm2. Second cube area is 60% of the surface of the first cube. Determine the length of the edge of the second cube (x).
  9. Class
    absenciaSms In 7.C clss are 10 girls and 20 boys. Yesterday was missing 20% of girls and 50% boys. What percentage of students missing?
  10. Iron
    250px-Iron_electrolytic_and_1cm3_cube Iron ore contains 57% iron. How much ore is needed to produce 20 tons of iron?
  11. Bicycle
    cestny_bicyk The bicycle pedal gear has 36 teeth, the rear gear wheel has 10 teeth. How many times turns rear wheel, when pedal wheel turns 120x?
  12. Obtuse angle
    UholZSobr2 Which obtuse angle is creating clocks at 17:00?
  13. Simple equation
    axes_1 Solve for x: 3(x + 2) = x - 18
  14. Seeds 2
    seed How many seeds germinated from 1000 pcs, when 23% no emergence?
  15. Combine / add term
    combine Combine like terms 4c+c-7c
  16. Simplify 2
    expr Simplify expression: 5ab-7+3ba-9
  17. TVs
    tv Production of television sets increased from 3,500 units to 4,200 units. Calculate the percentage of production increase.