Solve the system using Cramer's Rule. If D = 0, use another method to complete the solution. x + 6y = 8-2x + 7y = -16
A. ?
B. {(9, 8)}
C. {(8, 0)}
D. {(9, -1)}
Answer: C
You might also like to view...
Sketch the curve.
+ 
= 1
A. 
B. 
C. 
D. 
Solve the problem.The following bar graph shows the average annual income for single mothers.
i) Determine a linear function that can be used to estimate the average yearly income for single mothers from year 0 through year 5. Let t represent the year.ii) Using the function from part i, determine the average yearly income for single mothers in year 3.iii) Assuming this trend continues, determine the average yearly income for single mothers in year 13.iv) Assuming this trend continues, in which year will the average yearly income for single mothers reach $33,000?
A.
| i) | I(t) = 775.8t + 24,269 |
iii) $34,354.40
iv) year 12
B.
| i) | I(t) = 775.8t + 24,269 |
iii) $34,354.40
iv) year 12
C.
| i) | I(t) = 770.8t + 24,269 |
iii) $34,289.40
iv) year 12
D.
| i) | I(t) = 775.8t + 24,269 |
iii) $34,354.40
iv) year 13
Divide as indicated.
A. 12x10 - 7x3 B. 4x6 - 7x3 C. -3x13 D. 4x6 - 21x7
Multiply and simplify.
? 
A. 
B. 
C. 
D. 