Unknown number 4

I think number. When I divided its square root by its 1/9, I get a number 1. What number am I thinking?

Result

x =  81

Solution:

Solution in text x =

Try another example






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:

Looking for help with calculating roots of a quadratic equation? Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Next similar examples:

  1. 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?
  2. Unknown number 24
    numbs_6 f we add 20, we get 50% of its triple. What is this unknown number?
  3. Unknown number
    nums Identify unknown number which 1/5 is 40 greater than one tenth of that number.
  4. Square Number
    squared-number If to a square of integer number add 31, we get the square of next integer number. What is the original number?
  5. Fifth of the number
    numbs_5 The fifth of the number is by 24 less than that number. What is the number?
  6. Equation
    rovnice_3 Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
  7. Father and son
    family_17 Father is 48 years old, son 23. When will be the father twice older than a son?
  8. Fraction
    polynomial For what x expression ? equals zero?
  9. The price
    map_16 The price of the land increased by 17%. What was the original price of the land if it now costs 46800 €?
  10. Given
    1998-4b Given 2x =0.125 find the value of x
  11. Holidays - on pool
    pool_4 Children's tickets to the swimming pool stands x € for an adult is € 2 more expensive. There was m children in the swimming pool and adults three times less. How many euros make treasurer for pool entry?
  12. Simplify 2
    expr Simplify expression: 5ab-7+3ba-9
  13. Simple equation
    axes_1 Solve for x: 3(x + 2) = x - 18
  14. Candy
    friends Peter had a sachet of candy. He wanted to share with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss 8 candies. How many friends did Peter have?
  15. Sale discount
    penize_49 The product was discounted so that eight products at a new price cost just as five products at an old price. How many percents is the new price lower than the old price?
  16. Roses
    zahon-s-ruzemi On the large rosary was a third white, half red, yellow quarter and six pink. How many roses was in the rosary?
  17. Tickets
    stadion_1 On the football tournament ticket cost 45 Kc for standing and 120kč for sitting. Sitting spectators was 1/3 more than standing. The organizers collected a total 12 300 Kc. How many seated and standing seats (spectators)?