Examples for secondary school students - page 171 of 213
Number of problems found: 4256
- Medians of isosceles triangle
The isosceles triangle has a base ABC |AB| = 16 cm and a 10 cm long arm. What is the length of the medians? - 3s prism
It is given a regular perpendicular triangular prism with a height of 19.0 cm and a base edge of 7.1 cm. Calculate the volume of the prism. - Trapezoid IV
In a trapezoid ABCD (AB||CD) is |AB| = 15cm |CD| = 7 cm, |AC| = 12 cm, AC is perpendicular to BC. What area has a trapezoid ABCD? - Eight blocks
Dana had the task of saving the eight blocks of these rules: 1. Between two red cubes must be a different color. 2. Between two blue must be two different colors. 3. Between two green must be three different colors. 4. Between two yellow blocks must be fo
- Owner of the company
The company's owner, with extensive administrative activity, wants to sell the obsolete three 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 employ - Truncated pyramid
How many cubic meters is the volume of a regular four-sided truncated pyramid with edges of one meter and 60 cm and high 250 mm? - Determine 2426
Determine the first nine members of the sequence if a 10 = -8, q = -1. - Determine 2419
Determine the first seven members of the sequence if a8 = 12, d = 1 - Tetrahedral pyramid
Calculate the regular tetrahedral pyramid's volume and surface if the area of the base is 20 cm² and the deviation angle of the side edges from the plane of the base is 60 degrees.
- AP - basics
Determine the first member and differentiate the following sequence: a3-a5=24 a4-2a5=61 - Sequence - 5 members
Write the first five members of the sequence a_n =(3n - (-1)^n) +2 - Seats
Seats in the sports hall are organized so that each subsequent row has five more seats. The First has ten seats. How many seats are: a) in the eighth row b) in the eighteenth row - Population
What is the city's population with 3% annual growth if, in 10 years, the city will have 60,000 residents? - Sum 10
What is the probability that two dice thrown twice in a row will result in the sum of 10?
- Coffee
Coffee merchant has coffee robusta and arabica species. 1 kg Robusta is worth 450 CZK, Arabica 1 kg is 300 CZK more expensive. Calculate how many kilograms of Robusta and Arabica will need to produce 30 kg of the mixture so that the mixture costs 490 CZK - GP - 8 items
Determine the first eight members of a geometric progression if a9=512, q=2 - Throw
We throw two times with two dice. What is the probability that the first roll will fall more than the sum of 9 and the second throw has a sum of 3 or does not have the sum of 4? - Arithmetic 2390
Determine the first 5 members of the arithmetic sequence if a6 = -42, d = -7 - Determine 2388
Determine the fifth member of the sequence if a1 = -32, q = 21
Do you have homework that you need help solving? Ask a question, and we will try to solve it.