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Q: Q3: Solve the following equations (find x,y,z) by using inverse matrix method. x + y + 2z = 4, 3x – ...

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Q: Karrie earned $5.10 each day for 10 days of dog sitting in a month. She dog sat 10 times this amount...

A: Given, Karrie earned $5.10 each day for 10 days of dog sitting in a month Her earnings in 10 days = ...

Q: A 6 year bond cost 9,000 and will pay a total of 2700 interest over it lifetime what is the annual i...

A: The cost of the bond that is principle invested = P = 9000 Interest earned in 6 years = S. I. = 2700...

Q: Phyllis invested 52000 dollars, a portion earning a simple interest rate of 55 percent per year and ...

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Q: If I have f^-1(x)= -x+1 how can I find f(x)?

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Q: What is sin(-30 )? Sketch a graph to help determine the answer. A.) 0.5 B.) -0.5 C.) 1 D.) 0

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Q: I am not understanding how to do piece wise functions, especially the conditions. Please explain as ...

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Q: sara goes to fredonia university. she has $900 in her savings account. she needs to buy a small lapt...

A: Let the number of times Sara can withdraw the money from her account =n The amount of money she with...

Q: Given y = 4 for all real values of x, Can y be regarded as a function of x ? Give reasons.

A: Given y = 4 for all real values of x To determine whether y can be regarded as a function of x or no...