Basic functions - math word problems
Number of problems found: 2267
In how many points will intersect 14 different lines, where no two are parallel?
How many 19 element's subsets can be made from the 26 element set?
- Have solution
The sum of four consecutive even numbers is 92. Determine these numbers.
Solve algebrogram: mama+anna=vari How many solutions are?
- Motor oil
30 liters of oil cost 28.80 Euros. How much cost a liter?
How many ways are there to arrange 6 books on a shelf?
Tested student answered correctly on a 4/ 8 questions. Wrong answers was 16. How many questions answered?
Determine how many ways can be chosen two representatives from 34 students to school tournament.
- Air thermal
Imagine that a unit of air rises at 3000 meters high, if temperature decreases 6 degrees celcius for every 1000 meter, what will be its temperature at 1400 meters, 2000 meters, 2500 meters and when it reaches the 3000 meter elevation. Starting temperature
- Finding the base
Find the unknown base of percent: 12.5 percent of what = 16?
- Consecutive numbers
Sum of ten consecutive numbers is 105. Determine these numbers (write first and last).
Event P has probability of 0.84. What is the probability that the event P occurs in 3, 5, 7 try.
- Thrift woman
Calculate how long grandmother will save to new shoes priced 108 euros if save 3 Eur monthly.
- Package Deal - what to choose
The parents decided to purchase a mobile phone to their son. They choose from menu: ? Which offer is best?
- Geometric sequence
In the geometric sequence is a4 = 20 a9 = -160. Calculate the first member a1 and quotient q.
We have a virus that lives one hour. Every half hour produce two child viruses. What will be the living population of the virus after 3.5 hours?
- Guess number
With what number should be divided number 9727 to be reduced by 70%?
The dough for nutballs contains, among other things, two basic raw materials: flour and nuts in a ratio of 2:1. How much flour and how many nuts are needed for 1 kg of dough if "other" is 100g?
- Bookshelf and books
How many ways can we place 7 books in a bookshelf?
Roman is ranked 12th highest and eleventh lowest pupil. How many classmates does Roman have?