Mathematics, 31.12.2021 01:40 danielamadrid79
A sample of lead-210 was 20 g when it was formed and its half-life is 22 years. Determine the age
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of the sample if 2.5 g are left. Explain your reasoning.
Answers: 3
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Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth
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Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same
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What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?
Answers: 1
A sample of lead-210 was 20 g when it was formed and its half-life is 22 years. Determine the age...
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