Saturday

January 21, 2017
Total # Posts: 13

**Math**

An attack submarine is at a depth of 560 feet below the surface and detects a ship on the surface with its sonar that is at a 1.5 degree angle of elevation. What is the actual distance from the submarine to the ship in yards. Additionally is the sonar travels through sea water...

*March 30, 2016*

**Math**

An attack submarine is at a depth of 560 feet below the surface and detects a ship on the surface with its sonar that is at a 1.5 degree angle of elevation. What is the actual distance from the submarine to the ship in yards. Additionally is the sonar travels through sea water...

*March 30, 2016*

**Maths area**

16+20=36 so 36 feet.

*September 26, 2015*

**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*

**statistics**

28.22

*July 31, 2014*

**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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