# Posts by jonh

Total # Posts: 37

math
One fifth

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?

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 ...

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. ...

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. ...

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 ...

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. ...

Math
f(x)=√(x)(x-4) find the critical number

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?

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

Math
y=(4(x)-3)^(2)*(3(x)^(2)+2)^(4) implicated differentiation

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

math
f=(x)cosh^(-1)((x)/(2))-√((x)^(2)-4) f'=

Math
f=8ln(sec(x)+tan(x)) f'=

Math
tan^-1(cos(2x))

Math
F=tan^(-1)(cos(2x)) F'=

Math
f=8arctan(6x) f'=

Math
F(x)3√(x)ln(x) find the F'=

Math
find the F(x)3√(x)ln(x) F'=

Math
3√(x)ln(x)

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 ...

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 ...

math
13

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.

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

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

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

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.

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

sam
what types of scientists are involved in penicillin?

science
how is science related to hamburgers?

Science
How do scientists contribute to quartz watches?

science
what types of scienists are involved in quatz watches?

science
how is science related to quartz watches?