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Joe Schmo

Questions (31)

Twelve uniform, thin rods of mass M and length L are welded together to form a hexagon "wheel." What is the moment of inertia of
1. 1 answer
2. 561 views
What is indefinite integral of 1/(x^2-4)^(1/2)?
1. 1 answer
2. 455 views
How do you find the indefinite integral of (x^2-29x+5)/(x-4)^2(x^2+3)?
1. 1 answer
2. 502 views
In the CO3^2- ion, all three C-O bonds have identical bond lengths of 136 pm. Why?
1. 1 answer
2. 7,248 views
In the CO3^2- ion, all three C-O bonds have identical bond lengths of 136 pm. Why?
1. 0 answers
2. 614 views
Find derivative of (x+1)/(x^2+1)^(1/2)
1. 1 answer
2. 356 views
Copper metal reacts with hot concentrated sulfuric acid solution to form aqueous copper (II) sulfate, sulfur dioxide gas and
1. 1 answer
2. 2,892 views
On earth, a certain type of bacteria doubles in number every 24 hours. Two cultures of these bacteria are prepared, each
1. 1 answer
2. 1,018 views
What is a good sentence that uses the subjunctive tense of "reconciliarse"?
1. 1 answer
2. 967 views
Is eating a lot of acidic foods at a time unhealthy?
1. 0 answers
2. 415 views
When 1 mol of gaseous hydrogen chloride is dissolved in enough water to make 1 L of solution, approximately how many HCl
1. 2 answers
2. 1,529 views
How would you solve this differential equation?dy/dx=1/2x+y-1
1. 2 answers
2. 1,236 views
Three 75.0-g samples of copper, silver, and gold are available. Each of these samples is intially at 24.0 degrees C, and 2.00 kJ
1. 1 answer
2. 1,556 views
Although water and ammonia differ in molar mass by only one unit, the boiling point of water is over 100 degrees C higher than
1. 2 answers
2. 2,212 views
Given that the specific heat capacities of ice and steam are 2.06 J/g degrees C and 2.03 J/g degrees C, respectively, calculate
1. 2 answers
2. 2,713 views
Can anyone figure out this riddle?:With sup I'm a brace. You hope is enough; Alone I'm some docks, with sailors and stuff. What
1. 2 answers
2. 753 views
What is an example of two functions that intersect at least twice in the first quadrant but can neither be a polynomial or a
1. 1 answer
2. 376 views
What volume does a mixture of 14.2 g of He and 21.6 g of H2 occupy at 28 degrees celcius and 0.985 atm?
1. 1 answer
2. 1,274 views
What is the difference between low and high blood pressure?
1. 2 answers
2. 510 views
If I were to stay up all night trying to finish my homework (like I am now) will caffeine help, or does it make it harder to
1. 2 answers
2. 411 views
Knowing that 2 aluminum atoms and 3 chlorine molecules react to produce 2 units of aluminum chloride, how many moles of aluminum
1. 1 answer
2. 854 views
The rate of change R, in kilometers per hour, of the altitude of a hot air balloon is given by R(t)=t^3-4t^2+6 for time on the
1. 2 answers
2. 3,086 views
A fence 8 ft. tall runs parallel to a tall building at a distance 4 ft. from the building. What is the length of the shortest
1. 3 answers
2. 1,423 views
Hello! I am a little stuck (probably because I cannot remember my trigonometric functions). Does anyone know how to solve this
1. 1 answer
2. 452 views
Hello! I am a little stuck (probably because I cannot remember my trigonometric functions). Does anyone know how to solve this
1. 0 answers
2. 395 views
Please condense the expression.1/2ln(x^2+1)-4ln1/2-1/2[ln(x-4)+lnx]
1. 0 answers
2. 477 views
Please condense the expression.1/2ln(x^2+1)-4ln1/2-1/2[ln(x-4)+lnx]
1. 0 answers
2. 434 views
Please solve the equation for x:8e^3x=24
1. 1 answer
2. 415 views
What are some real life applications of logarithims?
1. 1 answer
2. 426 views
What are some real life applications of logarithims?
1. 0 answers
2. 429 views
Please give an example of natural selection that does not include a predator/prey relationship.
1. 1 answer
2. 558 views

Answers (1)

Thank you very much! I just have one more question for you. How did you get L = 4/cosA + 8/sinA?

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