If x and Y in Z = 2x + y satisfy the constraint conditions x-2y + 5 > = 0; 3-x > = 0; X + Y > = 0, then the minimum value of Z is

The answer is that the minimum value of Z is - 5 / 3

RELATED INFORMATIONS

1. Mathematics (algebra) (X2-x+1)6=a0x12+a1x11+a2x10+… +a12, Ask for: （1） a0+a1+a2+… +a12 （2） a0+a2+a4+… +a12 Note: X is followed by the power, a is followed by the number in the lower right corner
2. A math problem (algebra problem) If Mn is a real number and one root of the equation x ^ 2 + MX + n = 0 is four times of the other root, then the relationship between M and N is () A.4m²+25n=0 B.2n²+25=0 C.4m²-25n=0 D.4n²-25n=0
3. A math problem in junior high school (algebra) Let a, B, C satisfy a ^ 2 + B ^ 2 + C ^ 2 = 1, and prove that one of | A-B |, | B-C |, | C-A | must not exceed √ 2 / 2 (2 / 2 of the root sign)
4. Let a and B satisfy a3b + ab3-2a2b + 2ab2 = 7ab-8, then A2-B2 = () A. 1b. 3C. 5D. Not sure
5. Ask a mathematical problem of quadratic function. About taking the maximum and minimum If the maximum value of square + 2x + a of quadratic function y = x (0 is greater than or equal to X is less than or equal to 1) is 3, Then a is equal to?
6. Find the maximum or minimum of the following quadratic functions: （1）y=x²+10x-7 （2）y= -x²+3x+2 （3）y=（1/5）x²-2x+3 （4）y=（-2/3）x²+2x-6
7. If (x ^ 2 + y ^ 2) (x ^ 2 + y ^ 2-1) - 12 = 0 and X, y are real numbers, then x ^ 2 + y ^ 2 =?
8. Given that X. y is a real number and satisfies (square of X + square of Y) x (square of X + square of Y -- 1) = 12, find the value of square of X + square of Y
9. Factoring the square of 4-12 (X-Y) + 9 (X-Y)
10. 4 plus 12 times (X-Y) plus the square of 9 (X-Y)
11. (Science) if x and y satisfy the constraint condition x ≥ 0 x + 2 y ≥ 32 x + y ≤ 3, then the minimum value of Z = X-Y is______ ．
12. If x > 0, Y > 0 and X + 2Y = 3, then the minimum value of 1 / y + 1 / y is 0
13. Let X and Y belong to R, x ^ 2 + 2Y ^ 2 = 6, then the minimum value of X + y is
14. Given that X and Y belong to R + and X + 2Y = 1, find the minimum value of 1 / x + 1 / Y and the value of X and y when the minimum value is obtained
15. If x and Y belong to R +, 1 / x + 1 / y = 2, find the minimum value of X + 2Y
16. If x and y are positive R, 2 / x + 1 / y = 1, then the minimum value of X + 2Y is I know how to do it. Find the easiest one I'm 2Y + x = XY Then use the basic inequality to do
17. Let x > 0, Y > 0 and X + 2Y = 1, find the minimum value of (1 / x) + (1 / y) It's a process Please use the basic inequality to solve the problem Because I didn't learn Cauchy's inequality in my freshman year
18. Given | x | ≤ 1, | y | ≤ 1, and u = | x + y | + | y + 1 | + | 2y-x-4 |, what is the sum of the maximum and minimum value of u?
19. Known | x|
20. (Innovation Extension) known {X-Y + 2 > = 0, x + y-4 > = 0,2x-y-5