Examples for secondary school students - page 148 of 231
Number of problems found: 4614
- Matrix Sarruss Rule Rows
How many rows does a square matrix A have if we use Sarruss's rule to calculate its determinant? - Matrix Rows Columns Count The rectangular matrix M contains 21 elements and has three columns. How many rows does matrix M have more than square matrix F, which contains four elements?
- Desks
A class has 20 students. The classroom consists of 20 desks, with four desks in each of 5 different rows. Amy, Bob, Chloe, and David are all friends and would like to sit in the same row. How many possible seating arrangements exist, such as Amy, Bob, Chl - Square Matrix Order Elements How many orders are a square matrix C if this matrix contains 36 elements?
- Tangent
What distance are the tangent t of the circle (S, 4 cm) and the chord of this circle, which is 6 cm long and parallel to the tangent t? - Square Area Percentage Decrease
By what percentage will the area of a square decrease if its circumference decreases by 17 percent? - Matrix determinant value The determinant of matrix C is equal to 12. What will the value of the determinant of matrix F be if we know that matrix F is the opposite matrix of matrix C?
- Unknown variable
Find the number x, which, if it increases by 2, then its square increases by 21 percent. - Matrix square rows The given is the unit matrix A, which contains three rows. How many rows will matrix B have, which arises as to the square of matrix A?
- Cube Diagonal from Perimeter
Calculate the solid diagonal of a cube if you know that the circumference of one of its walls equals 39 centimeters. - Ratio-cuboid
The lengths of the edges of the cuboid are in the ratio 2:3:6. Its body diagonal is 14 cm long. Calculate the volume and surface area of the cuboid. - Red balls
The bag has three red, 12 blue, and eight green balls. If we want the probability of pulling out the red balls to be 20%, how many red balls must we add to the bag? - Cylinder horizontally
The cylinder with a diameter of 3 m and a height/length of 15 m is laid horizontally. Water is poured into it, reaching a height of 60 cm below the cylinder's axis. How many hectoliters of water is in the cylinder? - Natural numbers
How many natural numbers can we create less than 301 from the number 0,1,2,3,6,7? - Vacation ticket
Alena and Marta want to go on vacation together. Alena lacks CZK 300 to buy the selected ticket, and Marta has 4 times that amount left over. We know that Marta has 50% more CZK available than Alena. How much does a ticket cost? - Wagons and cranes
The same cranes are unloading 96 wagons. There would be fewer wagons for each crane if there were two more cranes. How many cranes were there? - Circumscribed by triangle
Inside the rectangle ABCD, the points E and F lie so that the line segments EA, ED, EF, FB, and FC are congruent. Side AB is 22 cm long, and the circle circumscribed by triangle AFD has a radius of 10 cm. Determine the length of side BC. - Twenty-two Digit Numbers From how many digits can we create twenty-two-digit numbers in which the digits do not repeat?
- Divisible numbers How many natural numbers are divisible by five less than 8000, composed of the digits 0,1,2,5,7,9?
- Car acceleration
The driver of a car traveling at a given moment at a speed of 72 km/h decides to overtake a car traveling at the same speed. Therefore, during 4.0 seconds, increase the speed to 90 km/h. Calculate how big his acceleration was and what path he covered when
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
