Mathematics, 26.03.2021 16:50 apalacios3503
Which of the following can form a 3D cross section?
A .A point and a triangle
B. A circle and a square
C. A line and a point
D. A plane and a cone
Answers: 2
Mathematics, 21.06.2019 13:30
Suppose the first five terms of a sequence are 4, 5, 9, 27, 123. how could the next term in the sequence be generated?
Answers: 1
Mathematics, 21.06.2019 15:30
What is this inequality notation? t is less then or equal to 2
Answers: 3
Mathematics, 21.06.2019 16:30
Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9
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
Which of the following can form a 3D cross section?
A .A point and a triangle
B. A circle an...
B. A circle an...
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