Which is equivalent to (4xy β 3z)2, and what type of special product is it?
16x2y2 + 9z...
Mathematics, 19.12.2019 16:31 isabeltorres5
Which is equivalent to (4xy β 3z)2, and what type of special product is it?
16x2y2 + 9z2, the difference of squares
16x2y2 + 9z2, a perfect square trinomial
16x2y2 β 24xyz + 9z2, the difference of squares
16x2y2 β 24xyz + 9z2, a perfect square trinomial
Answers: 2
Mathematics, 21.06.2019 13:50
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Answers: 1
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Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference
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Which speed is the fastest (use 1 mile β 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined
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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 β0.1315 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 βreal-worldβ examples and uses of cobalt-60
Answers: 1
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