Mathematics, 01.07.2019 04:00 ricksterv5000
Which of the following relations has a domain of {-4, -2, 1}? a {(1, 2), (-2, 2), (-2, 4), (-4, 4)} b {(1, 2), (-2, 2), (-2, 4), (4, -4)} c {(1, 2), (-2, 3), (4, 6)} d {(-1, 2), (4, 3), (-2, 6), (-2, 3)}
Answers: 1
Mathematics, 21.06.2019 14:50
About 60% of the normal humanbeing's body weight is composed ofwater. how much of a 125 poundperson is water weight? f 72 pounds h 76 poundsg 75 pounds i 80 pounds
Answers: 3
Mathematics, 21.06.2019 16:30
The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06
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 17:30
Which is the equation of a line perpendicular to the line with the equation 3x+4y=8
Answers: 1
Which of the following relations has a domain of {-4, -2, 1}? a {(1, 2), (-2, 2), (-2, 4), (-4, 4)...
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