Total # Posts: 1,776
An ant looks to the top of a bulding at an angle of elevation of 32°. The ant then walks an additional 66 feet from the edge of the building. If the new angle of elevation from the ant to the top of the building is 22°, find the height of the building. Round to the ...
January 17, 2014
What is the interpretation and counterargument from the following quote. "The will of the people is the only legitimate foundation of any government, and to protect its free expression should be our first object." Thomas Jefferson
January 9, 2014
Need help with math data!!!!
I am now working on the data from before and after of my experience, but I don't know how to calculate the total % weight lost of my experience. Can you help me? Trial#1- Original weight(BEFORE): 411ml After the experience weight: 376ml What is the total % weight lost in ...
December 15, 2013
Winter is coming, so I want to make a 1500 W heating coil which will plug into a 120 V wall outlet. The coil will have a cross sectional area of 0.01 cm2 and a length (when fully unwound) of 5 m. Determine the resistivity of the coil required, in Ωcm:
November 29, 2013
English (concrete nouns)
Read the passage below and answer the following question: Zach enjoyed biking to his job at Bistro Café. The early morning ride gave some serenity to his hectic schedule. Opening the restaurant allowed him to get everything ready before the rest of the crew arrived. 1....
November 19, 2013
Which of the following is the common balance sheet layout? A. assets = liability + owners equity B. profit = revenue total expenses C. return on investment = net income owners equity D. gross profit margin = gross profit net sales
November 18, 2013
Nick has a revolving department store credit card account with an annual percentage rate of 15%. Last months balance on the account was $423.78. During the current month, he made pur- chases totaling $123.42 and made a payment of $100. The store uses the unpaid balance ...
November 18, 2013
A monument in the form of a marble cylinder has a circular base with a radius of 1.5 meters. The altitude of the monument is 3.5 meters. How many cubic meters of marble does this monument contain? A. 7.07 m^3 B. 21.21 m^3 C. 24.74 m^3 D. 6.19 m^3
November 17, 2013
life management skills
Using the information above, write your mission statement. It can take many forms: a song, picture (explain the picture), theme, or collage. Make it uniquely you. A mission statement should be short enough to commit to memory but contain those points that are important to you.
November 12, 2013
A politician claims that she will receive 59% of the vote in an upcoming election. The results of a properly designed random sample of 100 voters showed that 54 of those sampled will vote for her. Is it likely that her assertion is correct at the 0.05 level of significance? ...
November 10, 2013
Can you please check my work? I got -4.3KJ/mol If this is not right can you tell me what I am doing wrong? Thank you! Questions. 1.a. Use Hess's Law and the measured mean enthalpy changes for the NaOH-HCl and NH3-HCl reactions to calculate the enthalpy change to be ...
November 8, 2013
What are examples of operational defintions in a experimental Psychology research journal. For instance, would the Oxford Happiness Questionnaire (OHQ)be an example of an operational definition in a psychology experiment? If yes, how come?
November 6, 2013
Here is the abstract of the article.. Re-examined the relationship between the Oxford Happiness Inventory (OHI) and both gender and Eysenck's dimensional model of personality by giving attention to the performance of the individual items as well as to the overall scale ...
November 6, 2013
8th grade math
I am not sure if I did it correct, can you please check this answer for me, Ms.Sue? :) Writing equations in point-slope form: m:3, p:(-1, -2) (y-y1) = m(x-x1) y-(-2)=3(x-(-1)) y+2=3x+3 y+2-2=3x+3-2 y=3x+1
October 27, 2013
Answer should be.....Air temperature near or over bodies of water is much different from that over land due to differences in the way water and land heat and cool. Properties that affect water temperature are transparency, ability to circulate, and specific heat. Am I correct?
October 27, 2013
A commuting student leaves home and drives to school at an average speed of 42.0 km/h. After 20.0 min he realizes that he has forgotten his homework and returns home to get it at the same average speed. It takes 7.0 min to find the report, after which the trip to school 42.0 ...
September 8, 2013
Algebra 3 and trig
An ocean liner is 177 miles due west of lighthouse A. Lighthouse B is 265 miles due south of lighthouse A. Find the distance from lighthouse B to the liner and the bearing of the ocean liner from lighthouse B.
June 12, 2013
Use Hess's Law to find the change in heat of 2C(graphite)+H2(g)-->C2H2(g)? Given: C(graphite) + O2(g) --> CO2(g) change of heat rxn = -393.5 kJ 2H2 (g) + O2(g) ---> 2H2O (l) change of heat rxn = -571.6 kJ 2C2H2 (g) +5O2(g) ----> 4CO2(g) +2H2O (l) change of heat...
May 5, 2013
A block of mass 8.50 is sliding along a smooth surface when it encounters a 0.800 long region of roughness with =0.310. The block emerges from the rough patch at a reduced speed of 5.00 and continues on.
April 26, 2013
A solid disk of radius 6.50cm and mass 1.65kg , which is rolling at a speed of 2.60m/s , begins rolling without slipping up a 10.0 slope.How long will it take for the disk to come to a stop?
April 21, 2013
I'm Christian and I'm applying to a catholic high school (due to the budget cuts in my district). The thing is that I'm required to take theology (Religion class) for four years of high school. ... I'm just wondering, it's theology interesting, fun... and ...
April 20, 2013
Find the equation....
Find the equation with the given properties. Express the equation in slope intercept form. Containing points p=(-4,-2) and Q=(-2,1) What is the equation of the line? y=
April 14, 2013
Below is a table containing information about differentiable functions f and g: x: -2 -1 0 1 2 f(x): 4 3 5 2 1 f'(x):1 4 2 5 3 g(x): 5 2 1 3 4 g'(x):3 5 4 1 2 F(x) + g(x), G(x)=f(x) * g(x), H(x) = g(x)/f(x) Find F'(-1) Find G'(0) Find H'(-2)
April 11, 2013
A man starts walking north at 4 ft/sec from point P. Five minutes later a woman starts walking south at 5 ft/sec from a point 500 ft due east of P. At what rate ae the people moving apart 15 minutes after the woman starts walking? Draw a diagram. 1) What rate is given? State ...
April 11, 2013
a cannon with a mass of 1200 kilograms is positioned at the edge of a cliff where it fires a 100 kilogram cannonball horizontally. The cannonballs initial speed is 35 meters per second. What is the recoil of speed of the cannon.
April 4, 2013
SCIENCE 8R - HELP!
...G.....g G..GG...Gg g..Gg...gg G - Blue g - Black G - Dominant g - recessive Homozygous - ????????? Heterozygous - ??????? Please help ..... I need to find the percentage of Homozygous and Heterozygous and find which on is Homozygous and Heterozygous! (I have to make up a ...
March 31, 2013
Are Chicken based dishes more populat than Pizza to a level which is statistically significant at the 95% confidence level? What figures do i have to look at to work it out? Thanks
March 25, 2013
Electrons are accelerated to reach a kinetic energy of 250 eV (= 4.0 x 10-17 J). If the acceleration is done in a distance of 0.20 m, what is the magnitude of the electric field causing the acceleration?
March 12, 2013
Hey everyone... hoping I can get an answer soon... I have a PD/H/PE homework assignment on which we have to create an collage on Physical, Spiritual, Emotional, Social and Mental health. I am stuck on a definition for spiritual health, me not being a very big know-it-all in PD...
March 5, 2013
A contractor is to fence off a rectangular field along a straight river, the side along the river requiring no fence. What is the least amount of fencing needed to fence of 30,000 meters squared?
March 4, 2013
The freezing point of ethanol is -114.6 C and its Kf value is 2.00 C/m. What is the freezing point for the solution prepared by dissolving 50.0 g of glycerin (C3H8O3) in 200.0 g ethanol? I used Change in temp=Kfm kf=2.00 I calculated m to be 2.1736. I ended up the answer of -...
February 13, 2013
Math 8R - HELP! (PLZ!)
can someone please help me because I'm really have a hard time with my homework. I understand some it but .... some problems are in different forms... and I looked in my notes (actually we don't have any notes JUST EXAMPLES! :( ) and..... omg it's hard please ...
January 31, 2013
A cement block accidentally falls from rest from the ledge of a 51.7-m-high building. When the block is 14.9 m above the ground, a man, 2.05 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to get out of the way?
January 27, 2013