Mathematics, 07.05.2021 05:40 cristal2000amber
In ΔPQR, the measure of ∠R=90°, RP = 3.7 feet, and PQ = 9.5 feet. Find the measure of ∠Q to the nearest tenth of a degree.
Answers: 3
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Which of these choices show a pair of equivalent expressions?
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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
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Mathematics, 21.06.2019 19:30
Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11
Answers: 1
In ΔPQR, the measure of ∠R=90°, RP = 3.7 feet, and PQ = 9.5 feet. Find the measure of ∠Q to the near...
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