Examples for secondary school students - page 11 of 212
Number of problems found: 4239
- Complex roots
Find the sum of the fourth square root of the number 16. - Combinations
From how many elements can we create 990 combinations, 2nd class, without repeating? - Quatrefoil
Calculate the quatrefoil area, inscribed in a square with a side of 6 cm. - Sequence - 5 members
Write the first five members of the sequence a_n =(3n - (-1)^n) +2 - Scalene triangle
Solve the triangle: A = 50°, b = 13, c = 6 - Square roots
What is equal to the product of the square roots of 295936? - Geometric sequence 4
It is given geometric sequence a3 = 7 and a12 = 3. Calculate s23 (= sum of the first 23 members of the sequence). - Isosceles IV
In an isosceles triangle ABC is |AC| = |BC| = 13 and |AB| = 10. Calculate the radius of the inscribed (r) and described (R) circle. - RT and circles
Solve the right triangle if the radius of the inscribed circle is r=9 and the radius of the circumscribed circle is R=23. - Coordinate
Determine the missing coordinate of the point M [x, 11] of the graph of the function f by rule: y = 3x - Perpendicular
Find the slope of the line perpendicular to the line p: y = 8x +6. - Product
The product of two consecutive odd numbers is 8463. What are these numbers? - Exponential equation
In the set R, solve the equation: 7 -5 +19x=4 3 -20x - Teams
How many ways can we divide 16 players into two teams of 8 members? - Permutations 82516
From how many elements can we make 5040 permutations without repetition? - Arithmetic 61123
In the arithmetic sequence (an), determine a1, d if: a6 = -3, a15 = -8 - Quadratic 21643
Solve the quadratic equation: 2y²-8y + 12 = 0 - Determinant 7506
We have a matrix of order n ≥ 3. If we add the last column to each column (including the last), how does its determinant change? - Diagonal 5541
How many zeros does the unit matrix E contain, which has three units in the main diagonal? - Circumference 5493
By what percentage will the area of a square decrease if its circumference decreases by 17 percent?
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