Mathematics, 18.07.2019 23:20 josh200508
The owner of a fabric store has determined that the profits p of the store are approximately given by p(x) = -x^2 + 70x+67, where x is the yards of fabric sold daily. find the maximum profit to the nearest dollar. a) $617 b) $792 c) $1017 d) $1292 e) none
Answers: 3
Mathematics, 21.06.2019 21:00
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.
Answers: 1
Mathematics, 21.06.2019 23:50
How are algebraic expressions evaluated using substitution?
Answers: 1
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