Basic functions - math word problems
Number of problems found: 2468
Railways climb 7.4 ‰. Calculate the height difference between two points on the railway distant 3539 meters.
How heavy must prepare bread at a bakery if lose during baking 16% of water and after baking must have 2 kg? (Calculate to the nearest gram)
- Geometric sequence 3
In geometric sequence is a8 = 312500; a11= 39062500; sn=1953124. Calculate the first item a1, quotient q, and n - number of members by their sum s_n.
- Math test
In class 6.A are 26 students, and the teacher had managed to give tests to 13 students. 13 testes he gave in 6.5 min. How many pupils still haven't test? How long will it take the teacher to give tests to 43 students?
What is the vertical asymptote of ?
Students of canoeists trip traveled in three days 102 km. Second day traveled 15% more than first day and at the third day 9 km over the second day. How many kilometers traveled each day?
Imagine that the saw blade with diameter 40 cm has one tooth-colored with a different color. How long is the path describing by the tooth's tip after 15 minutes if the blade is rotated 13365 times?
What number is 20 % smaller than the number 198?
Right-angled prism, whose base is a right triangle with leg a = 3 cm and hypotenuse c = 13 cm, has the same volume as a cube with an edge length of 3 dm. a) Find the height of the prism b) Calculate the surface of the prism c) What percentage of the cube'
The average climb of the road is given by ratio 1:15. By what angle road average climb?
The length of the rectangular hop garden Mr. Smith increased by 25% and its width by 30%. What is the percentage change in area of hop garden?
- VAT lottery
Father earns 1088 euro a month, mother 925 euro per month. Calculate what amount they paid as value added tax (VAT) to the government if the VAT rate is 20%. Assume that the family will spend their entire monthly income.
If we increase side of the square, increase its area of 63%. What is the percentage we increase side of the square?
Calculate the reciprocal numbers for the given real numbers.
- Efficiency of rail
With subsidies, are business easy? Calculate how much must cost rail ticket (x) in today's ticket price € 11 and if the government did not subsidize the trains if it is known that it would cost three times today's ticket without subsidies prices. Calculat
What is the annual interest rate on your account if we put $x and after $n days received $y?
Write the smallest and largest 2-digit natural number.
How many times a day hands on a clock overlap?
- Chebyshev formula
To estimate the number of primes less than x Chebyshev formula is used: ? Estimate the number of primes less than 30300537.
Calculate how much you earn for $n years $x deposit if the interest rate is $p% and the interest period is a quarter.