Thursday
December 5, 2013

# Posts by Joanie

Total # Posts: 29

PreCalculus
I am having a lot of problems with this linear programming problem. CAn someone help? A farmer buys two varieties of animal feed. Type A contains 9 oz. of oats and 2 oz. of corn per pound. Type B contains 5 oz of oats and 10 oz of corn per pound. The farmer wants to combine th...

PreCalculus
Hi drwls-- I have just begun the study of vectors. I am given the answer in multiple choice--The answer you gave me is 7.571. The choices I have are 8cm;41 degrees; 9cm;38degrees;6cm,36degrees, and 4cm,31 degrees. Your answer is closest to 8 cm. Is that the one I should select...

PreCalculus
Dear Reiny, Thank you for helping me. Could you check an answer for me? Use a metric ruler and a protractor to find 2 a (vector) - 2 b (vector). Then find the magnitude and amplitude of the resultant. Vector a is 4 cm and the angle is 60 degrees. Vector b is 1 centimeter long ...

PreCalculus
Given vectors u=7i + 3j and v = -4i + 3j, find 5u-4v in terms of unit vectors. I am just beginning the study of vectors and have this problem. Could someone help? Thanks.

Math
I have two problemson polygonal convex sets which I do not understand. The first: Find the minimum value of f(x,y) = 2x-y+2 for the polygonal convex set determined by this system of inequalities: x is more than or equal to 1 x is less than or equal to 3 y is more than or equa...

English
Hi-- "Eight hellish months" would keep the meaning of what you are trying to say. You are putting "hell" in the form of an adjective. Hope this helps.

Math
Thank you for helping me with this problem. Joanie

Math
Solve 4sin^2x + 4(squareroot of 2)cosx -6 for all real values of x.

science
How do you calculate 1 mole of CuSO4 × 5 H2O?

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