Mathematics, 28.07.2021 16:40 king845
Select the expression that represents the following statement: 86 divided by one half the product of 4 and 7.
86 ÷ (4 x 7 x one half)
(86 ÷ one half) x 4 − 7
86 ÷ (one half x 4 + 7)
86 − one half x 4 x 7
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 19:00
Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12
Answers: 2
Mathematics, 21.06.2019 21:30
Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?
Answers: 3
Mathematics, 22.06.2019 00:00
The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?
Answers: 1
Select the expression that represents the following statement: 86 divided by one half the product of...
History, 17.09.2019 15:10
English, 17.09.2019 15:10
Physics, 17.09.2019 15:10
Social Studies, 17.09.2019 15:10
Mathematics, 17.09.2019 15:10
Mathematics, 17.09.2019 15:10
Biology, 17.09.2019 15:10
Physics, 17.09.2019 15:10
Biology, 17.09.2019 15:10
English, 17.09.2019 15:10
Mathematics, 17.09.2019 15:10
Health, 17.09.2019 15:10