Powers

Is true for any number a,b,c equality:? Result

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1. Powers Express the expression ? as the n-th power of the base 10.
2. Proof I When added to the product of two consecutive integers larger one, we get square larger one. Is this true or not?
3. Unknown number Determine the unknown number, which double of its fourth square is equal the fifth its square.
4. Binomials To binomial ? add a number to the resulting trinomial be square of binomial.
5. Find the 2 Find the term independent of x in the expansion of (4x3+1/2x)8
6. Unknown number 17 Milada said, I am thinking of a number such that I evaluate expression x1/3, the value of the expression would be 5. Which number Milada thinking?
7. Unknown number x 5% from an unknown number equals the number 26. What is the unknown number?
8. Center traverse It is true that the middle traverse bisects the triangle?
9. Trio 2 Decide whether trio of numbers is the side of a right triangle: 26,24,10.
10. Is equal Is equal following terms? ?
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12. Sale If the product twice price cut by 25%, what percentage was price cut in total?
13. Percents How many percents is 900 greater than the number 750?
14. One half One half of ? is: ?
15. Tenth member Calculate the tenth member of geometric sequence when given: a1=1/2 and q=2
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17. Linear system Solve this linear system (two linear equations with two unknowns): x+y =36 19x+22y=720