Work. Do Not Solve

question 92

Multiple Choice

work. Do not solve.
-5x + 9y = -12
-4x - 4y = -32
A) Substitution B) Addition
Answer: B
Write the word or phrase that best completes each statement or answers the question.
-Mardi received an inheritance of $70,000. She invested part at 10% and deposited the remainder in tax-free bonds at 9%. Her total annual income from the investments was $6600. Find the amount
Invested at 10%.

• A) Substitution B) Addition
• Answer: B
• Write the word or phrase that best completes each statement or answers the question.
• -Mardi received an inheritance of $70,000. She invested part at 10% and deposited the remainder in tax-free bonds at 9%. Her total annual income from the investments was $6600. Find the amount
• Invested at 10%.
• A) $29,000
• B) $15,000
• C) $30,000
• D) $63,400

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Definitions:

Successful Operations

Activities or series of activities within a process which achieve the intended goals or objectives efficiently and effectively.

Poisson Approximation

A statistical technique used to approximate the probabilities of events with a very low probability over a large number of trials.

Binomial Random Variable

A type of random variable that takes the number of successes in a fixed number of trials of a binomial experiment, where each trial results in a success or failure, with the probability of success being the same for all trials.

Cumulative Binomial Probabilities

The sum of the probabilities of obtaining all outcomes up to a specified point in a binomial distribution.