In survey of 5oo farmers it was found that 75% were farming Crops,20%were farming crops well vegetable ond 10% of them were not involved in farming. 3) Нow many farmers were involved invegetable ? :) How many of the. werenot farming vegetablei) Draw venn diagram to represent the result​

answer: do you still need this?

answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints

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step-by-step explanation:

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this