Basic functions - math word problems

Number of problems found: 2468

  • Railways
    railways Railways climb 7.4 ‰. Calculate the height difference between two points on the railway distant 3539 meters.
  • Bakery
    bread 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
    sequence 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
    logo_skola 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?
  • Asymptote
    asymptote What is the vertical asymptote of ?
  • Paddlers
    vodacky 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?
  • Saw
    kotuc 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?
  • Number
    percent What number is 20 % smaller than the number 198?
  • Prism
    3b_hranol 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'
  • Road
    route-66 The average climb of the road is given by ratio 1:15. By what angle road average climb?
  • Hop-garden
    chmelnica 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
    komunista_fico 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.
  • Square
    squares_inc If we increase side of the square, increase its area of 63%. What is the percentage we increase side of the square?
  • Reciprocal
    reciprocal Calculate the reciprocal numbers for the given real numbers.
  • Efficiency of rail
    vlak 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
  • Interest
    MoneyHouse What is the annual interest rate on your account if we put $x and after $n days received $y?
  • Digits
    numbers Write the smallest and largest 2-digit natural number.
  • Clock
    hodiny How many times a day hands on a clock overlap?
  • Chebyshev formula
    ChebyshevSpiral To estimate the number of primes less than x Chebyshev formula is used: ? Estimate the number of primes less than 30300537.
  • Interest
    dollars Calculate how much you earn for $n years $x deposit if the interest rate is $p% and the interest period is a quarter.

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