Find the solution of X multiplied by 50 / 2-x equal to 300
From above, we get 2 / 2 (50x-xsquare) = 300, so 50x-xsquare = 600, and the solution is x = 20 or 30
RELATED INFORMATIONS
- 1. What is the monotone decreasing interval of the function y = x Λ 2-2x + 3?
- 2. What are the least common multiple, greatest common factor and least common multiple of 12, 54 and 72?
- 3. If we know that the power of X + X + 1 / x = 1 / 4, then the power of 3x is 5x / 4 - 15x + 5=
- 4. A simple algorithm of 75 15 / 16 times [- 8] (71 + 15 / 16) * (- 8) = 71 * (- 8) + 15 / 16 * (- 8) = - 568-7.5 = - 575.5 this method is not needed, but another simple calculation is needed
- 5. Help me solve this equation, (2x ^ 4-3x ^ 3 + 5x ^ 2 + x) (- x + 1) 2011^2-2010*2012
- 6. Split term method: 1 / 3 + 1 / 15 + 1 / 35 + 1 / 63 + 1 / 99
- 7. x^3+3x^2-13x-15
- 8. 9.6 / 1.8 * 5.4 calculated by simple method
- 9. Find the unknown number x 3x-2 × 3 / 4 = 2.1 Come on, let's do the math
- 10. The median of 37, 48, 52, 48, 39, 52 is (), the mode is (), and the average is ()
- 11. (2-1)(1+2+2²+2³+…… +2 62nd power + 2 63rd power =?
- 12. What is (√ 18 - √ 1 / 2) × √ 8? Problem solving process~
- 13. For the solution of square root equation, if it is fast, give another 5 points. The topic is: the first (x-1) square = 289, the second (3x-1) square = 25
- 14. Use the square root to solve the equation (1)X² + 1 = 1.01 (2)4X² - 25 =0 Given that AB is a real number, and the root sign a-5-2, root sign 10-2a = B + 4, find the value of a-b
- 15. Who told me how to solve the square root equation, for example: x ^ 2 = 36
- 16. [1.] the denominator of a fraction remains unchanged. If the numerator is multiplied by 5, how does the size of the fraction change? If the numerator remains unchanged and the denominator is divided by 5· [1.] the denominator of a fraction remains unchanged. If the numerator is multiplied by 5, how does the size of the fraction change? If the numerator remains unchanged and the denominator is divided by 5
- 17. Take 4 out of 6 cases, multiply the numerator and denominator by 3 at the same time, and divide the denominator by 2 and the numerator by 2
- 18. Let the integer part of (5-radical 5) be a and the decimal part be B, then a-b=___
- 19. Let the integral part of 1 (3 - √ 5) be a and the decimal part be B. find A-1 / b
- 20. Let the fractional part of 5 - √ 3 be a and the integral part be B, then a = (), B = ()