8. Which of these best shows a conflict between U.S. political ideals and political reality? A. Americans believe in religious freedom, but most people in the United States are Christians. B. Americans believe in equality, but women usually make less money than men do. C...
December 12, 2013
Solve the equation. Express your answer in trigonometric form. x^5-11=0 I know the answer is: 11^1/5(cos α + i sin α) for α = 0°, 72°, 144°, 216°, 288°. But I don't know where to even start working on this problem.
July 1, 2013
Power companies typically bill customers based on the number of kilowatt-hours used during a single billing period. A kilowatt is a measure of how much power (energy) a customer is using, while a kilowatt-hour is one kilowatt of power being used for one hour. For constant ...
March 9, 2013
A forest is burning in a valley. If the fire burns for h hours, the cost of the lost timber is 1000h dollars. They estimate that x firefighters can stop the fire in 3600/x hours. The cost for each firefighter is $20 (transportation)plus $25 per hour (salary/ food). A. Let C be...
January 4, 2013
Evaluate [r]; i.e., the units of r, in the expression r =v (s - a) (s - b) (s - c)/s where s =.5 (a + b + c) , and a, b, and c have units of meters. 1. [r] =1/m^1/3 2. [r] = m^1/2 3. [r] = m 4. [r] = m^2 5. [r] = m^1/3 6. [r] =1/m^2 7. [r] = m^3 8. [r] =1/m^1/2 9. [r] =1/m
September 21, 2012
A satellite completes one revolution of a planet in almost exactly one hour. At the end of one hour, the satellite has traveled 2.0 × 107 meters and is only 10 meters away from its starting point. What is the numerical value of the satellite's average velocity after ...
May 19, 2012
given PCl5(g)+heat <-> PCl3(g)+Cl2(g) a. addition of cl2 answer : would shift to the left b. increase in pressure: answer: ? c. removal of heat answer: ? d. Removal of PCl3 as it forms answer: ? please help! thanks!
March 27, 2012
7th grade math
what are the rules for these two problem? I can not figure it out. I spent 30 minutes trying to figure it out 1, 10 2, 9 3, 8 4, 7 lI know the left is increasing by one and the right is decreasing by one but I can't find an equation for this. and the second one is 0, -5 1...
January 2, 2012
A project exists outside of the standard line organization. its false what is wrong with it sorry i dont have a book,its expensive,we are poor and i cant find any on the net thankyou
December 9, 2011
A 2.5 wood block is pulled along a wood floor at a steady speed. A second wood block, with mass 3.5 , is attached to the first by a horizontal string. what is the magnitude of the force pulling on the first block
October 18, 2011
A passenger with mass of 80 kg stands on the floor of an elevator of mass 250 kg as it accelerates upward with an acceleration of 3 m/s^2. Determine the tension in the elevator cable. Draw a free-body diagram.
September 30, 2011
Thirty percent of the students in a high school face a disciplinary action of some kind before they graduate. Of those students, 40% go on to college. Of the 70% who do not face a disciplinary action, 60% go on to college. What percent of the students from the high school go ...
July 21, 2011
biology grade 12
My teacher wants me to calculate the rate of enzyme activity (1/s) I'm given the temperatures: 0 , 15, 30, ,50, and 80 (degrees celsius) AND the times 8.74, 18.83, 14.30, 34.22, and infinity (seconds obviously, these are the times it took the enzyme to react) What am i ...
February 27, 2011
PLAN A 4 HR FLIGHT (TELL ME SPEED AND DIRECTION SETTINGS FOR THE PLANE) TO FLY FROM CHICOGO TO ATLANTA(1500 KM @ 30 DEGREES E OF S) ON A DAY WHEN THE WIND IS BLOWING 100 KM/HR DUE EAST
February 7, 2011
perseus the penguin can fly at a maxium speed of 150 km/hr when there is no wind. Perseus decides to make a trip from hershey to new york to see a broadway play. it is 250 km @ 30 degrees Nof E. if the wind is blowing at 50 km.hr due east, what direction should perseus aim, ...
February 7, 2011
AP Physics PLEASE respond immediately pleasethanku
THANK YOU!! What is a combination of h (plancks constant), c(speed of light) and G (6.67x10^-11 Nm^2 / kg^2) that has units of length?
January 3, 2011
thought this site was to help people not put them down. I will be reporting this if I can... The same classes are taught in other schools every day as well. This just happens to be what they consider a required class, just as english,math and so on are for campuses.
March 31, 2010
Many cigarette lighters contain liquid butane, C4H10(l). Using standard enthalpies of formation, calculate the quantity of heat produced when 2.7 g of butane is completely combusted in air under standard conditions.
March 25, 2010
What would be the pH of a solution of hy- poiodous acid (HOI) prepared by dissolving 144 grams of the acid in 200 mL of pure water (H2O)? The Ka of hypoiodous acid is 2¡¿10−11 1. 7 2. 10 3. 13 4. 5 5. 1
February 25, 2010
1)Newton's laws of motion are concerned with relationships among a) force, mass and motion b) Displacement, mass and acceleration c) Velocity, fore and acceleration d) mass, acceleration and velocity I feel that thay deal with force, mass and motion which is A, am I ...
January 27, 2010
I had the same question. You eliminate all the answers with alcohol because that is a product of anaerobic respiration, so it definitely wont be made by the plant cell. Therefore you eliminate choices 2,3,5. It would be choice 4 because, it states only aerobic respiration is ...
November 19, 2009
The following two financial statementsa statement of activities (profit and loss summary) and a statement of financial position (balance sheet)are for the Council on Social Work Education for fiscal year 1998. (See Tables 5.3 and 5.4.) Review these two financial ...
November 8, 2009
a craftsperson has 2 alloys of silver. the 1st one is 70%pure silver amd the second one is 50%. how many kilograms of each must be mixed to have 12kg of an alloy which is 65% silver?
October 21, 2009
very easy algebra one
it may not make a difference but I'm doing a physics problem were it does... (180 s)(a t3) were s is seconds and 3 is just a subscript... does that equal (180 s)a + (180 s)t3 or this 180 s * a * t3 which one is correct?
August 21, 2009
very easy algebra one
ok Does this... (AX + B)(C - D) when you multiply the first numbers... AX and C mean the same thing as (AX)C -D(AX) +BC -BD or this AXC - DAX + BC - BD which one is it???
August 21, 2009
can you check my answers? i have to write the slope intercept form of the equation key (a= means answer is) 1. 3x-2y=12 a= 3/2x-6=y 2. x+y=7 a= y=-x+7 3. -13+6y=x a= y=x/6+13/6 4. -2y=24+6x a= y=-3x-12 5. 49x-y=558 a= y=49x-558 6. 3x+14y=-56 a= y=-3/14x-4 7. -1/6y-1/6=x a= y=-...
August 11, 2009