# Grade - math word problems

1. Circles 2
Calculate the area bounded by the circumscribed and inscribed circle in triangle with sides 12 cm, 14 cm, 18 cm.
2. Bureau of Labor
Bureau of Labor is a state institution that provides mike and the rest for their so-called clients. The mission of the Bureau of Labor is spend taxpayer money to provide relaxation and benefits to those who do not want to work. Popularly speaking sense th
3. Shots
5500 lead shots with diameter 4 mm is decanted into a ball. What is it diameter?
4. Height
Is right that in any right triangle height is less or equal half of the hypotenuse?
5. Sequence
Calculate what member of the sequence specified by ? has value 86.
6. Reciprocal
It is true (prove it) that if a> b> 0: ?
7. Sphere
The surface of the sphere is 12100 cm2, and the weight is 136 kg. What is its density?
8. Is equal
Is equal following terms? ?
9. Roots
Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
10. Octagon
We have a square with side 84 cm. We cut the corners to make his octagon. What will be the side of the octagon?
11. Arc and segment
Calculate the length of circular arc l, area of the circular arc S1 and area of circular segment S2. Radius of the circle is 33 and corresponding angle is ?.
12. Diofant 2
Is equation ? solvable on the set of integers Z?
13. Powers
Is true for any number a,b,c equality:? ?
14. Pumps
The tank is filled with two pumps in 16 minutes. The first pump is filled in 30 minutes earlier than two one. How many minutes is filled with the first pump?
15. Binomials
To binomial ? add a number to the resulting trinomial be square of binomial.
By introducing a new variable solve biquadratic equation: ?
17. Meridian
What is the distance (length) the Earth's meridian 23° when the radius of the Earth is 6370 km?
18. Determine the number
Determine the number x that ?.
19. Root
Use law of square roots roots: ?
20. Subsets
How many are all subsets of set ??

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