Mathematics, 14.04.2021 19:20, risaroo070618
When you exercise, your target heart rate r at 90% can be determined by the formula r = 0.9(250 β a) where a represents your age in years. Solve the formula for a.
Answers: 3
Mathematics, 21.06.2019 14:00, jess4kids
Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)
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Mathematics, 21.06.2019 19:00, sonyalehardez
Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?
Answers: 2
Mathematics, 22.06.2019 01:00, imamnaab5710
3questions show how you solved the problem 1. subtract & simplify (βy2 β 4y β 8) β (β4y2 β 6y + 3) 2.multiply and simplify 2x2y3z2 Β· 4xy4x2 3.multiply and simplify (x β 4) (x2 β 5x β 6)
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Mathematics, 22.06.2019 01:20, westhacker1663
What is the absolute value of the complex number -4- 2 v14 3.15 14 18
Answers: 1
When you exercise, your target heart rate r at 90% can be determined by the formula
r = 0.9(250 β a...
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