Question No.1: Solve the following system of two linear equations with two variables x and y...

Question No.1: Solve the following system of two linear equations with two variables x and y by “Equating the equations” method. ? = ?? − ?? ??? ? = −? + 5

Question No.2: Is this matrix ? = [ ? ? ? ? ] singular or non-singular?

Question No. 3: Solve the following operations with the help of “PEMDAS”. ? ? − (?? ÷ ?) × ? ÷ ? − ? × ? + ?? ÷ ?3

Question No.4: A car was purchased for 5400 RO and is sold for 4300 RO. What is the percentage loss?

Question No.5 The total revenue function is given as ?? = ?? ? + ?? + ? 1. Find the average revenue 2. Find the marginal revenue 3. Find the marginal revenue when x = 3

Question No.6 : Calculate the rate of interest required for an investment ????? R.O to earn ???? R.O interest over ? years.

Question No.7: A salesman discounts a watch marked at 125 RO by 15%. 1. How much is the discount? 2. How much will a customer pay for the watch?

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Expert Solution

Please send less than 4 questions at once . I solved as per our guidelines. Thank you

ALL THE BEST ....!!

milcah answered 1 year ago

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