# Power - examples

- One half

One half of ? is: ? - Cube diagonal

Determine length of the cube diagonal with edge 55 dm. - Z9-I-4

Kate thought a five-digit integer. She wrote the sum of this number and its half at the first line to the workbook. On the second line wrote a total of this number and its one fifth. On the third row she wrote a sum of this number and its one nines. Fi - Compare II

Which of the numbers 15^{8}, 8^{15}is greater? - Area codes

How many 6 digit area codes are possible if the first number can't be zero? - Circle chord

What is the length d of the chord circle of diameter 58 mm, if distance from the center circle is 24 mm? - Powers

Is true for any number a,b,c,d equality:? ? - Sale

If the product twice price cut by 20%, what percentage was price cut in total? - Compare:

What is bigger? ? - No. of divisors

How many different divisors has number ?? - Proof I

When added to the product of two consecutive integers larger one, we get square larger one. Is this true or not? - Subsets

How many is subsets of set ?? - Machine

Price of the new machine is € 56000. Every year is depreciated 16% of residual value. What will be the value of the machine after 5 years? - Morse alphabet

Calculate how many words of Morse code to create compiling commas and dots in the words of one to five characters. - Volume from surface area

What is the volume of the cube whose surface area is 96 cm^{2}? - Motion problem

From Bratislavy to Martina go car at speed 83 km/h. From Martina to Bratislavy go another car at speed 62 km/h. How many minutes before the meeting will be cars 21 km away? - Lottery

The lottery is 41000 elk in which 7300 wins. What is the probability that the purchase of 17 elks won nothing? - Is equal

Is equal following terms? ? - Wire

One pull of wire is reduced its diameter by 9%. What will be diameter of wire with diameter 9 mm over 8 pulls? - Equation

How many real roots has equation ? ?

Do you have interesting mathematical example that you can't solve it? Enter it and we can try to solve it.