Mathematics, 20.05.2021 09:10 carlosluiscontrerasp
If a, b, c and d are in continued proportion, then prove that, (a^2+b^2) (b^2+ d^2) = (ab + cd)^2
Answers: 3
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Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
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Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42
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Suppose 38 lbs of coffee beans are required to produce 2 lbs of farmer's coffee. how many lbs of coffee beans are required to produce 309 lbs of farmer's coffee?
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If a, b, c and d are in continued proportion, then prove that, (a^2+b^2) (b^2+ d^2) = (ab + cd)^2...
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