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3. Find the value of kif x=2, y=4 is a solution of 2x+5y = k.4. The mean of 5, 12, 20, 15, 34, P, 10 is P. find the value of P.5. Find the mean of first '5' multiples of 6. |
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Answer» Answer: 24, 16, 21 Step-by-step explanation: 3.Given, x=2, y=4 By Substitution, 4+20=k Therefore k=24 4.(5+12+20+15+34+P+10)/7=P That MEANS, 96=P=7P 6P=96 P=16 5. First five multiples of 6 are: 6, 12, 18, 24, 30, 36 Sum of the first six multiples/6=mean =>126/6=21 |
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