Explanation Calculation: Consider the system of equations, − 2 x + y − 3 z = 0 …… (1) − 2 y − z = − 1 …… (2) x + 2 y − z = 5 …… (3) Multiply by 2 in equation (3) then addition of equations (1) and (3) to get equation (4), − 2 x + y − 3 z = 0 2 x + 4 y − 2 z = 10 _ 5 y − 5 z = 10 Therefore, y − z = 2 …… (4) Multiply by − 1 in equation (2) then addition of equations (2) and (4) to get solution, 2 y + z = 1

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Chapter 4.2, Problem 22E

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To calculate: The solution of the following system of equations,

−2x+y−3z=0−2y−z=−1x+2y−z=5

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Chapter 4.2, Problem 21E

Chapter 4.2, Problem 23E

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MODELING REAL LIFE Your checking account has a constant balance of $500. Let the function $m$ represent the balance of your savings account after $t$ years. The table shows the total balance of the accounts over time. Year, $t$ Total balance 0 1 2 3 4 5 $2500 $2540 $2580.80 $2622.42 $2664.86 $2708.16 a. Write a function $B$ that represents the total balance after $t$ years. Round values to the nearest hundredth, if necessary. $B\left(t\right)=$ Question 2 b. Find $B\left(8\right)$ . About $ a Question 3 Interpret $B\left(8\right)$ . b represents the total balance checking and saving accounts after 8 years the balance would be 16 / 10000 Word Limit16 words written of 10000 allowed Question 4 c. Compare the savings account to the account, You deposit $9000 in a savings account that earns 3.6% annual interest compounded monthly. A = 11998.70 SINCE 9000 is the principal ( 1+0.036/12)12 times 8 gives me aproxtimately 1997 14 / 10000 Word Limit14 words written of 10000 allowed Skip to…

Chapter 4 Solutions

INTERMEDIATE ALGEBRA - 18 WEEK MML CODE

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The solution of the following system of equations, − 2 x + y − 3 z = 0 − 2 y − z = − 1 x + 2 y − z = 5

Solution Summary: The author calculates the solution of the provided system of equations, (2,1,-1).

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To calculate: The solution of the following system of equations,

−2x+y−3z=0−2y−z=−1x+2y−z=5

Want to see the full answer?

Chapter 4 Solutions

The solution of the following system of equations, − 2 x + y − 3 z = 0 − 2 y − z = − 1 x + 2 y − z = 5

Solution Summary: The author calculates the solution of the provided system of equations, (2,1,-1).

Videos

To calculate: The solution of the following system of equations, −2x+y−3z=0−2y−z=−1x+2y−z=5

Want to see the full answer?

Chapter 4 Solutions

To calculate: The solution of the following system of equations,

−2x+y−3z=0−2y−z=−1x+2y−z=5