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Coefficient matrix of the equivalent matrix equation

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1. How many 7-card hands are possible with a 52-card deck?

2. The owner of nuts2u snack shack mixes cashews worth $5.50 a pound with peanuts worth $2.30 a pound to get a half-pound mixed nuts bag worth $1.80. How much of each kind of nut is included in the mixed bag?

3. Determine whether the matrices are inverse.

[5 3] [2 -3]

[3 2] and [-3 5] NOTE: all in one bracket not two.

4. Use the gauss-jordan method to find A-1, if it exists

A=[1 1]

[1 -5] NOTE: all in one bracket not two.

5. Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation?

-5x+3y=8

3x-6y= -30

Reference no: EM13964828

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