# Posts by jonh

Total # Posts: 38

**math**

One fifth

**science**

B

**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

**statistics**

72

**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?

**business**

10 good business ideas

**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?

**business management**

10 good business ideas