Mathematics, 03.07.2019 19:30 tporter00

# Which statements are true? check all that apply. a. the equation |–x – 4| = 8 will have two solutions. b. the equation 3.4|0.5x – 42.1| = –20.6 will have one solution. c. the equation |1/2x-3/4| = 0 will have no solutions. d. the equation |2x – 10| = –20 will have two solutions. e. the equation |0.5x – 0.75| + 4.6 = 0.25 will have no solutions. f. the equation |1/8x-1|= 5 will have infinitely many solutions.

Answers: 2

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 17:00

Can someone pls ! pls answer all. no explanation needed..

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Mathematics, 21.06.2019 18:30

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

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Mathematics, 21.06.2019 19:00

What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4

Answers: 1

Which statements are true? check all that apply. a. the equation |–x – 4| = 8 will have two soluti...

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