Examples for secondary school students - page 19 of 212
Number of problems found: 4231
- Three dice
What is the probability that when we roll three dice, we roll the number 1,2,3? - Quadratic function
Write the equation of the quadratic function, which includes points A (-1, 10), B (2, 19), C (1,4) - Disco
At the disco goes 12 boys and 15 girls. In how many ways can we select four dancing couples? - Polygon 42
Which polygon has 42 more diagonals than sides? - A three-digit numbers
Determine the total number of positive three-digit numbers that contain a digit 4. - Sum-log
The sum of two numbers is 32, and the sum of their logarithms (base 10) is 2.2. Determine these numbers. - Wavelength
Calculate the wavelength of the tone frequency 11 kHz if the sound travels at speeds of 343 m/s. - Circle chord
Determine the circle's radius in which the chord 6 cm away from the center is 12 cm longer than the circle's radius. - Leg and height
Solve right triangle with height v = 9.6 m and shorter cathetus b = 17.3 m. - Center
Calculate the coordinates of the circle center: x² -4x + y² +10y +25 = 0 - Segments
Which of the pairs of numbers on the number line encloses the longest segment: ... - Hearts
3 cards are chosen from a standard deck of 52 playing cards (13 hearts) with replacements. What is the probability of choosing 3 hearts in a row? - Events
Event U has the probability of 0.89. What is the probability that the event U occurs in 4, 2, 8 try? - Equation
Equation f(x) = 0 has roots x1 = 64, x2 = 100, x3 = 25, x4 = 49. How many roots have equation f(x²) = 0? - Sequence
Calculate what member of the sequence specified by (5n-2+15) has value 20. - Root
Use the law of square roots: cbrt (sqrt[2] (sqrt[4] (6))) = sqrt[n] (6) - Equation 80525
Write the equation of the parabola that passes through the points: A[1,1] B[3,-1] C[1,2] - Selected 37601
V III. There are 22 students in the FPR class. How many ways can four students be selected for a DVK class exam? - Students 36881
As a reward, the land for the trip is ten students from a class of 25 students. How many options are there? - Combinations 16283
How many elements is it possible to form twice as many second-class combinations as a fourth-class combination?
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