The probability that an investor will invest in real estate is 0.7, the probability that the investor will invest in the stock market is 0.4, and the probability that the investor will invest in either real estate or stock market is 0.8. What is the probability that the investor will not invest in either real estate or the stock market? Give your answer in decimal form.

Q: Question #4 Just need to know if I have the correct answer.  If not why?

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Q: Melvin plays tennis and swims for a total of 110 minutes every day. He plays tennis 40 minutes more…

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Q: Two times the sum of a number and 3 is 4 less than 3 times the number. Half of a number, plus 6, is…

A: Here we assume an unknown number x for both questions so we can translate these statements into…

Q: Suppose you are going on a trip and need to choose between two car rental companies. Company 1…

A: topic - linear function

Q: Two investment have interest rates that differ by 1%. An investment for 1 year  at the lower rate…

A: Let  rate of interest r1  and r2 answer is r1 = 8% and r2 = 7% detailed solution with explanation is…

Q: The phones at Affordable Cellphones vary in price depending upon demand. The average flip phone has…

A: Just list out the given conditions and then create a quadratic equation using those conditions and…

Q: A cell phone factory has a total production cost where the fixed costs are $10,000 and the cost of…

A: Let x be the number of phones manufactured.

Q: The product of a number and five is less than or equal to the number minus four. find the solution…

A: GIVEN The product of a number and five is less than or equal to the number minus four

Q: The sum of a number and its is always zero.

A: It is known that a+-a=0 for all real numbers.

Q: Fixed costs=$85000, unit variable cost=$48, selling price per unit=$75. Find the break even number…

A: The formula for break even number in units is, Q=FCSP(per unit)-VC(per unit) Here, Q: break even…

Q: Four more than a number equals the sum of Seven and 12.

A: Given that, four more than a number equals the sum of seven and 12. Let the number be x.…

Q: You take 12 semester hours at FTTC in each of the Spring and Fall semesters, and 6 semester hours in…

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Q: Customers who buy up to 5 pounds pay $  per pound. Customers who buy more than 5 pounds pay $20 for…

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Q: A phone company offers two monthly plans. Plan A costs $16 plus an additional SO.17 for each minute…

A: We need to find time and cost.

Q: The cost of phone plan Q is $10 per month plus &0.14 per minute.phone plan R costs $7 per month plus…

A: Let x  denotes the number of minutes. Then cost of plan Q is  Qx=10+0.14x ⇒Q70=10+0.1470⇒Q70=19.8…

Q: Write the following sentences into equation. Example: Four times a number results to 20. Answer: 4x…

A: 1. Thrice the sum of a number and 10 is not more than 15. Let x be the number. Then the equation is,…

Q: Amazon can sell 20,000 copies of a new book for 16 per book. For each 1 reduction in price Amazon…

A: This question can be solved using the concept of maxima and minima.

Q: John’s average annual income over a 4-year period was $25,000. What would John’s average annual…

A: The objective of this question is to find out what John's average annual income should be for the…

Q: You invested $7000 in two accounts paying 6% and 8% annual interest. If the total interest earned…

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Q: Helen considers two jobs. One pays $45,000/yr with a yearly raise of $2250. A second job pays…

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Q: sha works for 7 hours she can rent out 6 apartments, and if she works for 8 hours she can rent out 9…

A: Solution : this refers to the additional number of benefits that Sasha gets when she works an extra…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.