Mathematics, 19.11.2019 06:31 elijahjacksonrp6z2o7
Juanita’s boss told her that once she has worked with the company for 10 years, her salary will be increased to 3 times what she makes now plus $2,000. if s represents her original salary, which expression represents what her salary will be after 10 years at the company?
Answers: 3
Mathematics, 21.06.2019 12:30
Which shows one way to determine the factors of x3 + 5x2 – 6x – 30 by grouping? x(x2 – 5) + 6(x2 – 5)x(x2 + 5) – 6(x2 + 5)x2(x – 5) + 6(x – 5)x2(x + 5) – 6(x + 5)
Answers: 3
Mathematics, 21.06.2019 16:50
The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60
Answers: 1
Mathematics, 21.06.2019 19:40
What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1
Answers: 2
Mathematics, 21.06.2019 21:00
The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm
Answers: 1
Juanita’s boss told her that once she has worked with the company for 10 years, her salary will be i...
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