Mathematics, 05.03.2021 17:50 joelpimentel
20. Krypton-91 is a radioactive substance that decays very quickly. The function models the radioactive decay of krypton-91. Q represents the quantity remaining after t seconds, and the decay constant, k, is approximately 0.07. How long will it take a quantity of krypton-91 to decay to 10% of its original amount? Round your answer to the nearest second.(3 points)
Answers: 3
Mathematics, 21.06.2019 16:30, mildredelizam
Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?
Answers: 3
Mathematics, 21.06.2019 20:30, afitzgerald
Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.
Answers: 3
Mathematics, 21.06.2019 20:30, anniekwilbourne
Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.
Answers: 3
Mathematics, 22.06.2019 03:30, akatherine1738
Given that the images represent 4 steps in the construction of a line segment congruent to a given line segment, which is step 3 in the construction?
Answers: 1
20. Krypton-91 is a radioactive substance that decays very quickly. The function
models the radioac...
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