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We recognize mathematics as a foundation of common sense, without which t isn't straightforward in the next career to achieve success. Whether as a manager, programmer, judge, mason, or electrician, you will make decisions every day, the quality of which will depend on your wisdom, maturity, concentration. The smartest and better decisions you make in life, the greater the potential for success in your personal and working life. We will help you with our portal with math questions and problems with their solutions. If you are looking for math material, you are getting ready for a prize, a graduate, a monitor, a nationwide knowledge test is also right here. In addition to examples, we also offer online math calculators.

October 2020 - we help students and teachers with materials with examples from mathematics, physics, and electro - materials for distance teaching forms due to the ongoing COVID-19 pandemics.
March-April 2020 - we were hopelessly overwhelmed by math problems from our users (the first lockdowns due to COVID-19), and we managed to solve them all during the summer holidays.
Q1 2021 - we are tired of the year-long lockdown and closed schools. There was plenty of online distance learning. You certainly learned less than at school when you interact with your teacher and classmates.

  • Straight-line depreciation
    factory_butter Olsen Inc. Purchased a $580,000 machine to manufacture a specialty tap for electrical equipment. The tap is in high demand and Olsen can sell all that it could manufacture for the next 10 years. To encourage capital investments, the government exempts tax
  • Phone number
    pin_keyboard Ivan's phone number ends with a four-digit number: When we subtract the first from the fourth digit of this four-digit number, we get the same number as when we subtract the second from the third digit. If we write the four-digit number from the back and
  • Ice to boiling water
    ice_cubes Calculate the heat needed to convert 5kg of ice with a temperature of -5°C to water with a temperature of 100°C. c (water) = 4200 J. Kg-1. kg-1, c (ice) = 2100 J. Kg-1. kg-1. the mass group heat of solidification of water is l = 334kJ/kg. Calculate the he
  • How many 17
    numbers How many fifths are there in four wholes? How many 1/5 are there in 4?
  • The temperature 14
    teplomer The temperature is 12°C lower than 4 hours ago. a. What is the average temperature change per hour? b. Write an integer equation for the situation.
  • Four-digit number
    cislo For a four-digit number abcd, ab: bc = 1: 3 and bc: cd = 2: 1 (ab, bc and cd are two-digit numbers from digits a, b, c, d). Find this number(s).
  • Median of odd count
    vaha2 The following are weight(in kg) of 7 people 70,62,62,75,60,65,78. find the median of the weights of people.

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