For what value of k will the following system of equations have an infinite number of solutions? X y + Z = 3 -x + 2y Z = 2 kx -4 - + I 4y + 2z ||

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A: As per our guidelines we can solve first question and rest can be reposted. Solution-: Q.1 Ans: In a…

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A: Let μ denote the population mean and x⎯⎯ denotes the sample mean. Then, μ=12.8 and x⎯⎯=12.2 Let n be…

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A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

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A: Given expression is 7xy-4By law of exponent,

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

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A: 1) The mean is calculated as follows: x¯=20+11+20+11+165=785=15.6

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted...…