Solve the problem.
-A retired couple has $140,000 to invest to obtain annual income. They want some of it invested in safe Certificates of Deposit yielding 5%. The rest they want to invest in AA bonds yielding 12% per year. How much
Should they invest in each to realize exactly $13,300 per year?
A) $90,000 at 5% and $50,000 at 12%
B) $80,000 at 5% and $60,000 at 12%
C) $90,000 at 12% and $50,000 at 5%
D) $100,000 at 12% and $40,000 at 5%
Correct Answer:
Verified
Q13: Verify that the values of the
Q14: Solve the problem.
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Q15: Write the augmented matrix for the
Q16: Solve the problem.
-A movie theater charges $8.00
Q17: Write the augmented matrix for the
Q19: Solve the system of equations by
Q20: Write the augmented matrix for the
Q21: Find the value of the determinant.
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Q22: Perform the row operation(s) on the
Q23: Find the value of the determinant.
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