Examples for secondary school students - page 14 of 212
Number of problems found: 4239
- Construct 61253
Using Euclid's theorem, construct a line of length √15. - According 55551
Complete the other three series members formed according to a specific rule. 1, √2, 9, 2, 25,. ..,. ..,. .. - Commission 37591
Out of 10 candidates, we must select three for the commission. How many ways can this be done? - Thirteen 37581
Thirteen skiers compete in the big slalom. The first four advance to the finals. How many options are there? - Inequality 12021
Solve on Z - inequality with absolute value: | x-18 | +4> 1 - 100% 8374
28 is 100% 13 is x% - Equations: 8160
Solve a system of equations: 3x- (y + 2) / 2 = 9 (x + 2) / 5-2y = 5 - Equations 6005
Solve a system of two equations with two unknowns, x and y: 3x - 4y = 12 -x + 3y = 1 Will the sum of x + y be equal? - Determinant 5531
The determinant of matrix J has the value 0. What will be the value of the determinant of matrix C, which we get as the square of matrix J? - Determinant 5513
How many rows does a square matrix A have if we use Sarruss's rule to calculate its determinant? - Determinant 5492
The determinant of matrix C is equal to 12. What will be the value of the determinant of matrix F if we know that matrix F is the opposite matrix of matrix C? - Determinants 5290
The determinant of the product of 2 square matrices has the value 3. What is the product's value of the respective determinants of these matrices? - Matrix 5221
The rank of matrix A is 3. What rank will this matrix have if we add twice the second row to its first row? - Linsys2
Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144 - Determine 4113
Determine the sum of an infinite series: 1/3 + 1/9 + 1/27 + 1/81 ... - Dispersion 3335
What is the value of the variance of the data in the file if the calculated standard deviation = 2? a) Dispersion = 6 b) Dispersion = 4 c) Dispersion = 9 d) Dispersion = 2 - Five couples
In how many ways can 5 couples arrange themselves in a row if they stay together? - Evaluate complex eq
If z=x+yi and 3x+(3x-y)i=4-6i then z= - The 8th
The 8th term of GP is greater than the 5th term, and the 10th term is 10 times the 2nd term find: 1) the common ratio 2) 20th term - Fraction or irrational
If you double 1/4 of a certain fraction and multiply it by that fraction, the answer is 1. What is the fraction?
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