2. Find using elementary row operations the inverse of the coefficient matrix of the system X1 + 2x2 + 3x3 = b1 X1 – x2 + X3 = b2 X1 + x2 = b3. Hence solve (i) for b, = -1, b2 = 3, b3 = 4, (ii) for b1 = -1, b2 = –1, b3 = 3.

Q: A cup of coffee is taken out of a room and taken to the backyard where the ambient temperature is…

A:

Q: During a football game, Jayden gained seven yards on the first play. Then he lost 11 yards on the…

A: Jayden needs 4 yards on the next play to get the team back to where they were when they started.…

Q: John’s new pizza delivery job pays him $45 for being a driver and $25 for each pizza he deliver. How…

A: Given that  John’s new pizza delivery job pays him $45 for being a driver and $25 for each pizza he…

Q: +b); A= 135, B = 10, b = 5

A:

Q: The price of a slice of pizza is represented by the letter p. Pizza is on sale this week: you canbuy…

A: Given:- The price of a slice of pizza is represented by the letter p

Q: -15+n=-9

A: Given, -15+n=-9  we have to find the value of n for given expression.

Q: Solve the following: 3 | -9 x - 7 | - 2 = 13

A: Simplify the given equation as follows.

Q: Mr. Jackson buys candy to sell at the concession stand. He wants to purchase 30 boxes of candy bars.…

A:

Q: Jaden works at McDonald's.  He makes $10 per hour.  McDonald's deducts $105 from his weekly check to…

A: To find the number of hours she works in a week

Q: a $10 service charge is deducted.

A: Given:  Dee had a balance of $114 in her checking account at the beginning of the month.

Q: he admission fee for a Fairfax basketball game is $5 for students and $7 for adults. At one of the…

A: The admission fee for a Fairfax basketball game is $5 for students and $7 for adults. At one of the…

Q: Sherri Cole found that the 12-ounce can of frozen orange juice sells for $0.16 less than the…

A: this is the question of algebra  price and the quantity given  we have to find the optimum solution…

Q: Alyson hired a face-painter for a birthday party. The painter charged a flat fee of $55 $ 55 , and…

A: Given query is to find number of people used face painting.

Q: A man went to the store to buy some gum. The man had some change (three quarters, 2 nickels, one…

A: Given Data : The man had three quarters, 2 nickels, one dime and two pennies…

Q: One day a business sold 20 pairs of gloves. The cloth gloves sold for $4.95 per pair and the leather…

A: Let us assume there are x cloth gloves and y leather gloves.  So the total number of gloves= x+y=20…

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.