Mathematics, 24.06.2019 18:00 sydney673
Gabe amodeo, a nuclear physicist, needs 80 liters of a 30% acid solution. he currently has a 20 % solution and a 60 % solution. how many liters of each does he need to make the needed 80 liters of 30% acid solution?
Answers: 1
Mathematics, 21.06.2019 18:00
Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.
Answers: 1
Mathematics, 21.06.2019 22:10
Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1
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Mathematics, 22.06.2019 00:00
The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?
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Mathematics, 22.06.2019 00:30
"which statement is necessarily true if bd is an altitude to the hypotenuse of right ? abc? a.) ? adb? ? bdc b.) ? adb~? bdc c.) abbc=acbd d.) ? bac? ? bdc"
Answers: 3
Gabe amodeo, a nuclear physicist, needs 80 liters of a 30% acid solution. he currently has a 20 % so...
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