Minimum of sum
Find a positive number that the sum of the number and its inverted value was minimal.
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Owner of the company
The owner of the company with extensive administrative activity wants to sell the obsolete 3 machines at the price of CZK 1000 per 1 machine with a six-month warranty period. If the machine breaks down during this period, the owner will return the employe
- Median and modus
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.
- Theorem prove
We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
- The confectionery
The confectionery sold 5 kinds of ice cream. In how many ways can I buy 3 kinds if order of ice creams does not matter?
Between numbers 1 and 53 insert n members of the arithmetic sequence that its sum is 702.
Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
- The inverse
The inverse matrix for matrix A has a determinant value of 0.333. What value has a determinant of the matrix A?
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?
Exists a function whose derivation is the same function?
What is the vertical asymptote of ?
- Quadratic function 2
Which of the points belong function f:y= 2x2- 3x + 1 : A(-2, 15) B (3,10) C (1,4)
How much is sum of square root of six and the square root of 225?
- Expressions 3
If k(x+6)= 4x2 + 20, what is k(10)=?
Determine the discriminant of the equation: ?
- Sequence - 5 members
Write first five members of the sequence ?
Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
- Sequence 3
Write the first 5 members of an arithmetic sequence: a4=-35, a11=-105.