Saturday
April 18, 2015

Posts by Mabel


Total # Posts: 9

Data Management
Could you help me with this math question. The mean of 4 numbers is 5 and the mean of 3 different numbers is 12. What is the mean of the 7 numbers combined? Produce an algebraic solution.
March 2, 2015

calculus
find a function f given that (1) the slope of the tangent line to graph of f at any point P(x,y) is given by dy/dx=3xy and (2) the graph of f passes through the point (0,2)
April 10, 2012

calculus
find the average value of the function f(x,y)=xe^y over the plane region R is the triangle with vertices (0,0), (1,0) and (1,1)
April 2, 2012

math
solve -0.5(x-5)+x=0.2(2+6x)
February 21, 2012

Chemistry
The approximate pKa values for the three dissociating groups of lysince are 2.2, 9.0, 10.5. What would the pH after addition of 10ml of 1.0M NaOH to 100ml of 0.1M lysine at pH 2.2?
August 14, 2011

Calculus
The owner of a farm wants to form four rectangular corrals. He has 750 meters of iron gate to enclose and to separate the four corrals. To save materials, he he decides to enclose a large area and to divide into four rectangles. Divide them will use part of the 750 meters of ...
July 14, 2011

7th grade
what is social health? what is mental/emotional health?
September 14, 2010

calculus
Use the Midpoint Rule to approximate the integral (5x-9x^2)dx from 6 to 15
December 3, 2008

Physics
1280
March 27, 2007

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