Theorem prove

We want to prove the sentence:

If the natural number n is divisible by six, then n is divisible by three.

From what assumption we started?

Result

???  0 ????







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

Showing 1 comment:
#
Math student
How many 15/16 are in 15/16 ?

avatar









To solve this example are needed these knowledge from mathematics:

Next similar examples:

  1. Calculation of CN
    color_combinations Calculate: ?
  2. Median and modus
    dice_3 Radka made 50 throws with a dice. The table saw fit individual dice's wall frequency: Wall Number: 1 2 3 4 5 6 frequency: 8 7 5 11 6 13 Calculate the modus and median of the wall numbers that Radka fell.
  3. Fish tank
    zebra_fish A fish tank at a pet store has 8 zebra fish. In how many different ways can George choose 2 zebra fish to buy?
  4. Trinity
    trojka How many different triads can be selected from the group 43 students?
  5. Sequence
    sunflower Between numbers 1 and 53 insert n members of the arithmetic sequence that its sum is 702.
  6. Six terms
    sequence_geo_3 Find the first six terms of the sequence a1 = -3, an = 2 * an-1
  7. Linsys2
    linear_eq_3 Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144
  8. 75th percentile (quartille Q3)
    statistics Find 75th percentile for 30,42,42,46,46,46,50,50,54
  9. Calculation
    pocty How much is sum of square root of six and the square root of 225?
  10. Quadratic equation
    kvadrat_2 Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
  11. Roots
    parabola Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
  12. Geometric progression 2
    exp_x There is geometric sequence with a1=5.7 and quotient q=-2.5. Calculate a17.
  13. Equation
    calculator_2 Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
  14. AS sequence
    AP In an arithmetic sequence is given the difference d = -3 and a71 = 455. a) Determine the value of a62 b) Determine the sum of 71 members.
  15. Discriminant
    Quadratic_equation_discriminant Determine the discriminant of the equation: ?
  16. Seats
    divadlo_2 Seats in the sport hall are organized so that each subsequent row has five more seats. First has 10 seats. How many seats are: a) in the eighth row b) in the eighteenth row
  17. Sequence 3
    75 Write the first 5 members of an arithmetic sequence: a4=-35, a11=-105.