Mathematics, 23.08.2019 20:20 mrashrafkotkaat

Afarmer can buy two types of plant food, mix a and mix b. each cubic yard of mix a contains 20 pounds of phosphoric acid, 30 pounds of nitrogen, and 5 pounds of potash. each cubic yard of mix b contains 10 pounds of phosphoric acid, 30 pounds of nitrogen, and 10 pounds of potash. the minimum monthly requirements are 460 pounds of phosphoric acid, 990 pounds of nitrogen, and 200 pounds of potash. if mix a costs $25 per cubic yard and mix b costs $35 per cubic yard, how many cubic yards of each mix should the farmer blend to meet the minimum monthly requirements at a minimum cost? what is this cost? if mix a costs $25 per cubic yard and mix b costs $35 per cubic yard, the farmer should blend yd of mix a and ydof mix b to meet the minimum monthly requirements at a minimum cost.

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 19:00

Which expression is equivalent to 3^3 + 2^2?

Answers: 1

Answer

Mathematics, 21.06.2019 21:30

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?

Answers: 1

Answer

Mathematics, 21.06.2019 23:30

Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is

Answers: 3

Answer

Mathematics, 22.06.2019 00:00

What else equals 42 and 30 for multiply

Answers: 1

Answer

You know the right answer?

Afarmer can buy two types of plant food, mix a and mix b. each cubic yard of mix a contains 20 pound...

Questions