# Mathematics

Are there low marks from mathematics or certification or math exam?
Stay positive and make time to help could inspire a love of learning math. Want to feel the joy of understanding and computing math problems?
Do you want to train in thinking, looking for problems solutions?
We consider mathematics to be a bearer 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 examples of mathematics 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.

News:
October 2020 - we help students and teachers with materials with examples from mathematics, physics and electro - materials for distance forms of teaching 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.

• Angles of a hexagon
Find the interior angles of a hexagon if the sizes of the angles form an arithmetic sequence and the smallest angle is 70°.
• Is right triangle
Find out if the triangle ABC (with right angle at the vertex C) is right if: a) a = 3dm, b = 40cm, c = 0.5m b) a = 8dm, b = 1.2m, c = 6dm
• Group of children
There is a group of children. There is a boy named Adam in each of the three children subgroup and a girl named Beata in each quartet (four-member subgroup). How many children can be in such a group and what are their names in that case?
• Divisible by four
Are 240 are divisible by 4?
• Cube containers
Replace the two cube-shaped containers with 0.8 dm and 0.6 dm edges with a single cube-shaped one so that it has the same volume as the two original ones together. What is the length of the edge of this cube?
• Rhombus and diagonals
The lengths of the diamond diagonals are e = 48cm, f = 20cm. Calculate the length of its sides.
• A bus
A bus is scheduled to travel a distance 121 km in 2 3/4 hours. What average rate of speed must be maintained to arrive on schedule?