Saturday
December 10, 2016

# Posts by jonh

Total # Posts: 36

us history
What was the goal of U.S. foreign policy with China? Why do you think John Hay did not favor establishing colonies in China?
January 8, 2014

Math
Can in a Cone Find the volume of the largest can that can fit entirely under a cone with volume 900 cubic cm. 1.draw pictures of at least THREE different cases (including the endpoints if any). 2. define all variables CLEARLY (with words) and then use those variables ...
March 14, 2013

math
Television Jim’s mother watches a lot of TV. The screen is 30 inches tall and the bottom of the screen is 6 inches above her eye level while sitting in her favorite chair. To optimize her viewing experience, Jim wishes to calculate how far from the screen she should sit. ...
March 11, 2013

Math
Television Jim’s mother watches a lot of TV. The screen is 30 inches tall and the bottom of the screen is 6 inches above her eye level while sitting in her favorite chair. To optimize her viewing experience, Jim wishes to calculate how far from the screen she should sit. ...
March 11, 2013

Math
Can in a Cone Find the volume of the largest can that can fit entirely under a cone with volume 900 cubic cm. 1.draw pictures of at least THREE different cases (including the endpoints if any). 2. define all variables CLEARLY (with words) and then use those variables ...
March 11, 2013

Math
A cylinder shaped can needs to be constructed to hold 400 cubic centimeters of soup. The material for the sides of the can costs 0.03 cents per square centimeter. The material for the top and bottom of the can need to be thicker, and costs 0.06 cents per square centimeter. ...
March 10, 2013

Math
f(x)=√(x)(x-4) find the critical number
March 7, 2013

Math
Use linear approximation to estimate the amount of paint in cubic centimeters needed to apply a coat of paint 0.020000 cm thick to a hemispherical dome with a diameter of 40.000 meters. How do I do this?
March 1, 2013

Math
find f' of f=(x)cosh^(-1)((x)/(2))-√((x)^(2)-4)
February 22, 2013

Math
y=(4(x)-3)^(2)*(3(x)^(2)+2)^(4) implicated differentiation
February 22, 2013

Math
f(x)=x^5x Use logarithmic differentiation to determine the derivative.
February 22, 2013

math
f=(x)cosh^(-1)((x)/(2))-√((x)^(2)-4) f'=
February 22, 2013

Math
f=8ln(sec(x)+tan(x)) f'=
February 22, 2013

Math
tan^-1(cos(2x))
February 22, 2013

Math
F=tan^(-1)(cos(2x)) F'=
February 22, 2013

Math
f=8arctan(6x) f'=
February 22, 2013

Math
F(x)3√(x)ln(x) find the F'=
February 21, 2013

Math
find the F(x)3√(x)ln(x) F'=
February 21, 2013

Math
3√(x)ln(x)
February 21, 2013

math
A trough is 2 feet wide and 8 feet long with a cross-section that is triangular (equilateral). Water is being pumped in at 2 gallons per minute. How fast is the depth rising when it is 3 inches deep? How fast is the depth rising when it is 6 inches deep? When the depth is 1 ...
February 19, 2013

math
A man pulls a rope over a simple pulley attached to the bow of a rowboat. The man’s hands are 8 feet above the water and the bow of the boat is 1 foot above the water. How fast must the man pull the rope to tow the boat in at 3 feet per second when it is 25 feet from the ...
February 19, 2013

chemistry
When 1g of baked potato is burnt in a calorimeter having a heat capacity of 350 J the temperature rises by 10 degrees celsius. determine the heat content of atypical baked potato having amass of 120g. Give your answer in both Kj Kcal.
June 5, 2011

chemistry
Write down a balanced acid-base reaction given the following reactants Reactants: NaOH(aq) + HCl(aq)
February 10, 2011

john
Find the smallest natural number n such that 4410 x n is a perfect cube.
September 22, 2010

math
if a+b=3 and a^2+b^2=6, what is a^3 + b^3
September 22, 2010

physics
a person whos mass is 102 kg stands on a beam supported by two ropes , A and B, he is standing on one foot to help you solve this problem.what is the tension of the two ropes? the entire beam itself is 4.56 m and the person is stading from left to right in 1.59 m.
October 26, 2009

chemistry
Draw the lewis structures for H2S,CH2CI2,NH3,and c2h6.
January 21, 2009

sam
what types of scientists are involved in penicillin?
March 1, 2008

March 1, 2008

science
how is science related to hamburgers?
March 1, 2008

Science
How do scientists contribute to quartz watches?
March 1, 2008

science
what types of scienists are involved in quatz watches?
March 1, 2008

science
how is science related to quartz watches?
March 1, 2008