# Mathematics

Want to feel the joy of understanding and computing math problems?Do you want to train in thinking, looking for problems solutions?

We recognize mathematics as a foundation of common sense, without which it isn't straightforward in the following career to achieve success. Whether as a manager, programmer, judge, mason, or electrician, you will make daily decisions, the quality of which will depend on your wisdom, maturity, and 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, getting ready for a prize, a graduate, a monitor, or a nationwide knowledge test is also right here. In addition to examples, we also offer online math calculators.

**News:**

February 24, 2022 - Russian invasion of Ukraine. It's all sad. How many pro-Russian trolls and pro-Russian disinformation do we have everywhere. In 1994, Russia agreed with Ukraine in the Budapest Memorandum that Ukraine would give up nuclear weapons from Soviet times exchanged with guaranteed Russia and other countries its territorial integrity. We have the year 2022, and Putin started to restore the original Soviet Union, of which Ukraine was a part 30 years ago, by a bloody military invasion. Of course, if Ukraine keeps its nuclear weapons or is a member of NATO, Russia will not do it.

- Diala

Diala bought some books during the year 2012, then during the year 2013 she bought 3 times as many books as she bought in 2012. Diala bought 48 books during these two years. Make a diagram to represent the given. How many books did Diala buy in each year? - The angles 3

The angles in a triangle are in the ratio of 3:4:5. Work out the size of each angle. - Mr. Stratton

Mr. Stratton has a flower garden. Of the flowers in his garden, 1/3 of them are roses, and 3/5 of the roses are red. What fraction of Mr. Stratton's flowers are red roses? - Blueberries 79284

Lenka, Jane, and Michael collected blueberries in the ratio of 3:4:2. Lenka collected 4.5 liters of blueberries. How many blueberries did Jane and Michael collect? - The sum 23

The sum of the first 10 terms of an arithmetic sequence is 530. What is the first term if the last term is 80? What is the common difference? - The third 2

The third term of an arithmetic sequence is -12, and the seventh term is 8. What is the sum of the first 10 terms? - Multiples of eight

Find the sum of the first 25 multiples of 8.

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