# Mathematics

Risk of poor grade of**mathematics**in the certificate?

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**Math regard as bearer common sense**without which it is difficult to achieve a personal or career achievements. Whether as a manager, programmer, a judge, a mason or electrician you'll make decisions every day, the quality of which will depend on your wisdom. The wiser and better decisions in life you do, the more income and vice versa. That will help also our portal with examples from mathematics. If you are looking for materials for mathematics, to prepare for entrance exams, final exams, monitor, you are also good here. In addition to the examples we offer online mathematical calculators.

- Center of gravity

In the isosceles triangle ABC is the ratio of the lengths of AB and the height to AB 10:12. The arm has a length of 26 cm. If the center of gravity T of triangle ABC find area of triangle ABT. - Ounce

749 calories in a 7 - ounce serving . What is the unit rate? - Cards

From a set of 32 cards we randomly pull out three cards. What is the probability that it will be seven king and ace? - Basic form

Expressed the ratios of values in the basic form: 0,5 t : 1,2 kg 200 l : 0,15 m^{3}12 t : 3600 kg 500 kg : 2,5 t 0,9 kg : 500 g 3,6 m : 240 cm 1200 mm : 2,4 m 300 l : 0,3 m^{3}6 min 30 s : 900 s - Family

Mom is 42 years old and her daughters 13 and 19. After how many years will mother as old as her daughter together? - Tree shadow

The shadow of the tree is 16 meters long. Shadow of two meters high tourist sign beside standing is 3.2 meters long. What height has tree (in meters)? - Sun rays

If the sun's rays are at an angle 60° then famous Great Pyramid of Egypt (which is now high 137.3 meters) has 79.3 m long shadow. Calculate current height of neighboring chefren pyramid whose shadow is measured at the same time 78.8 m and the current hei

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