15. Tracy has the following transactions written down and plans on entering them into her register. Her starting balance is $178.85. She wrote checks for $37.12, $45.60, and got a check from her friend for $40 she owed her. What is Tracy's current balance in the account?

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A:

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A: We have to find value of A.

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A: Here i am providing my handwritten solution

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A: Above question is solved.

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A: A detailed solution is given below.

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A: Solution: a) The dimension is 5. There are 5 entries of diagonal 5 by 5 matrices.

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A: (a+b)² = a² + 2ab +b²

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A: compound interest

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A: Given,  5x-2y+3=0

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A: We can answer the question as below.

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A: We use caley's table to verify the properties of a group.

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A: Topic:- matrix algebra

Q: 25) 64 70 75 Mens Heights (Inches) 66 67 68 68 68 70 71 72 73 74 76 69 75

A: mean = ∑xn x¯=64+66+67+68+68+.......+7616x ¯= 112616 = 5638=70.375

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A: follow next step

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A: Given.

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A: Follow the procedure given below.

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Q: Compute the area of the polygon with vertices at (6,1), (3,-10), (-3,-5) and (-2,0)

A: (x1,y1)=(6,1) (x2.y2)=(3,-10) (x3,y3)=(-3,-5) (x4,y4)=(-2,0)

Q: Given the set S = {(1,3), (-2,3)} and the equation: 2(1,3) — 4(−2,3) = (10,3). What information can…

A:

Q: 17. If x to the power equals 8, then x equals: A. -9 B. 6 C. 9 D. 16 18. Find the value of x that…

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