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UN TCsum of them of the squares of their reciprocals, then prove that 2a-c = c-the area of a rectangle reduces by 20 m², if its length is increasebreadth is reduced by 2 m. The area increases by 12 m², if the 1by 3 m and the breadth is increased by 4 m. Find the dimensionsAmong the group of students 10% scored marks below 20, 20between 20 and 40, 35% scored marks between 40 and 60, 20between 60 and 80. The remaining 30 students scored marks bet-Prepare frequency distribution table and draw a histogram.ve any one of the following subquestions :The following table shows the frequency table of literacy rate25 mitian Dind the moon literrote by acoumed mann metho |
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Answer» =(L+1)(B-2)=LB-20 =LB-2L+B-2=LB-20 =B=2L-18 ---------------eq(1) =(L-3)(B+4)=LB+12 =LB+4L-3B-12=LB+12 =4L-3B=24 =4L-3(2L-18)=24 ----------from eq(1) =4L-6L+54=24 =-2L=24-54 =-2L=-30 =L=15M In eq(1), B=2L-18 B=(2×15)-18 B=30-18 B=12 m Thus, LENGTH is 15m and Breadth is 12m. Read more on Brainly.in - brainly.in/question/13393693#readmore |
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