Thursday
April 17, 2014

Posts by ashley


Total # Posts: 2,655

Physics
In 1996, the Fiberoptic Link Around the Globe (FLAG) was started. It initially involves placing a 27,000 km fiber optic cable at the bottom of the Mediterranean Sea and the Indian Ocean. Suppose the index of refraction of this fiber is 1.56. If all reflections occur at the cri...

Physics
In 1996, the Fiberoptic Link Around the Globe (FLAG) was started. It initially involves placing a 27,000 km fiber optic cable at the bottom of the Mediterranean Sea and the Indian Ocean. Suppose the index of refraction of this fiber is 1.56. If all reflections occur at the cri...

history
Mahanism emphasized: A. The importance of the navy in imperial expansion B. opposition to the new imperialism of the US C. The spread of Christianity to remote nations D. The equality of people who lived in imperial territories

geometry
You are given two segments, with AB = 4 and with CD = 7. Explain how you could use only the congruent-segments construction to construct with EF = 1.

COM / 220
I need help with the DQ 2 week 2. Could someone help me please?

sociology
The general trend of American's attitudes toward the unmarried has been from an attitude of _____ in the 1950s to an attitude of ______ in the 2000s A.) Non-acceptance; acceptance B.) Neutrality; non-acceptance C.) Non-acceptance; neutrality D.) Neutrality; tolerance I thi...

sociology
The general trend of American's attitudes toward the unmarried has been from an attitude of _____ in the 1950s to an attitude of ______ in the 2000s A.) Non-acceptance; acceptance B.) Neutrality; non-acceptance C.) Non-acceptance; neutrality D.) Neutrality; tolerance I thi...

sociology
The general trend of American's attitudes toward the unmarried had been from an attitude of _________ in the 1950s to and attitude of _________ in the 2000s

sociology
The general trend of American's attitudes toward the unmarried had been from an attitude of _________ in the 1950s to and attitude of _________ in the 2000s

Physics
a 45N lithograph is supported by two wires. One wire makes a 25 angle with the vertical and the other makes a 15 angle with the vertical. find the tension in each wire

Math (Help This Will Be on My Test Tomorrow!)
y= ax^2+bx-4. How would i find the equation of this parabola with the points (0,-4) (1,0) (2,2) (4,0) and 6,-10)?

math
how doo i do my my math homeeework:congruence problems.

Physics
A proton has a mass of 1.672 X 10 -27 kg. What is its weight? (using 9.81 for gravity)

CHEMISTRY: DUE TONIGHT. CHECK MY ANSWER?
1. For the simple decomposition reaction below, rate = k[AB]2 and k = 0.40 L/mols. AB(g) A(g) + B(g) If the initial concentration of AB is 1.60 M, what is [AB] after 13.0 s? ANSWER: (.4)(13)=5.2 1/1.6=.625 5.2-.625=4.575 1/4.575= .2185 I tried .22 & .21. They are both wrong. I...

spelling
i need words that end with ant and ance but they have to be the same words like distant/distance

Stoichiometry
1. Iron reacts with oxygen according to the following equation: Fe + O2→ Fe2O3 a. Balance the equation. b. Assuming you start with 15.0 g of iron, how many dm3 of oxygen are required to react? c. How many molecules of oxygen is this?

Biology
What did Darwin believe is the consequence of overpopulation in animals and plants?

Biology
Darwin believed that Malthus' ideas about human populations applied more strongly to animals and plants. Why?

Physics
A British company makes optical fibers that are 13.6 km in length. If a beam of light travels along one of those fibers, always reflecting at the critical angle, it will travel 20.3 km. What is the index of refraction of the fiber material?

chemistry
how many kg does h2o have

Physics
Thank you!

Physics
A vat in England nicknamed "Strongbow" is 19.7 m tall, but how wide is it? Suppose the vat is filled with water. A ray of light enters the water from the air at one end of the vat, reflects off the bottom at the vat's center, and exits at the opposite end of the ...

Physics
A vat in England nicknamed "Strongbow" is 19.7 m tall, but how wide is it? Suppose the vat is filled with water. A ray of light enters the water from the air at one end of the vat, reflects off the bottom at the vat's center, and exits at the opposite end of the ...

Physics
Thanks so much!

Physics
The maximum depth of Lake Baikal, in Russia, is 1637 m, making it the world's deepest freshwater lake. If a beam of light with an angle of incidence of 60.0 degrees enters the water from the air, what is the horizontal distance between the point where the light enters the ...

marketing
Your manager has asked you to investigate the Internet marketing strategies used by the company's major competitors. Use the library, the Internet, and any other resources to research competitors and prepare a presentation. Here are the questions to address for each of the...

Math
How many possible license plates are possible in which two letters are followed by at least 1 digit and no more than 4 digits?

Physics
On vacation, your 1200- car pulls a 540- trailer away from a stoplight with an acceleration of 1.50. What is the net force exerted by the car on the trailer?

Math
Mr.Jensen is buying 2 dozen donuts for $10.98. True or False. The expression 8.5 x 2/10.98 could be used to represent the cost of 8.5 dozen donuts.

bookkeeping
What is the total liabilities and owner’s equity in the balance sheet you prepared in Exam Figure 4?

U.S History
Which of the following caused a split in the womens's suffrage campaign? a.Alice Paul's aggressive strategy b.Carrie Champan Catt's "winning plan" c.The decision to press for a constitutional amendment d.world war 1

general psychology
how may psychology be understood as both an art and a science?

Physics
A 4.2-kilogram block sliding down a ramp from a height of 4.5 meters above the ground reaches the ground with a kinetic energy of 33 joules. The total work done by friction on the block as it slides down the ramp is approximately:

chemistry
An aqueous solution of nacl has a mole fraction of 0.21. What is the mass of NaCl dissolved in 100.0 mL of solution?

Chemistry
An unknown element Q has two known isotopes: 60Q and 63Q. If the average atomic mass is 60.5 amu, what are the relative percentages of the isotopes?

Chemistry
An unknown element Q has two known isotopes: 60Q and 63Q. If the average atomic mass is 60.5 amu, what are the relative percentages of the isotopes?

chemistry
the shape and nonding in a Br2 molecule is best described as

chemistry
if you mix 50ml of 0.1 tris acid with 60ml if 0.2m tris base, what will be the resulting pH?

chemistry
If the solubility of a particular solute is (10 g/100 g H2O) at 20°C, what solution concentration would represent a supersaturated aqueous solution of that solute?

accounting
Connection Station, an internet café, had the following operating activities during the month of May: 1. Bought 800 in jump drives and disks, which are available for resale from Office Depot on credit 2. Paid 900 in utilities for the month of may 3. Paid 2000 rent for t...

Socials Studies
The puritans had a long-lasting effect on English society and, to some extent, our own. What would be some aspects of society today that seem "puritan" in origin? I really need help on this.. Please, and thank you :-)

intro to chemistry
how to come come up with a significant digits poam

chemistry
how do i come up with POEM about significant digits please help

algebra
yes

Physics
4.407

physics
A football is kicked with an initial speed of 18 m/s at an angle of 36 degrees above the horizontal. (a) What is the maximum height that it reaches? (b) At what time does it land? (c) How far horizontally does it travel?

physics
A 59.0-Ω resistor is connected in parallel with a 116.0-Ω resistor. This parallel group is connected in series with a 15.0-Ω resistor. The total combination is connected across a 15.0-V battery. (a) Find the current in the 116.0-Ω resistor. ______A (b) Find...

childcare
ALL WRONG EXCEPT FOR A FEW !!!! WTF ITS CALLED HOMEWORK HELP FOR A REASON

algebra
1-2x-5=4x+2

chemistry
1. If a gaseous sample contains 73% N2 by volume, what is the solubility of N2 in water at 25°C and 1.0 atm (kH in H2O at 25°C = 7.0 10-4 mol/Latm)? 2. Calculate the vapor pressure of a solution of 0.60 mol of cholesterol in 4.5 mol of toluene at 32°C. Pure toluene...

Physics
how do i solve for time when i don't know initial velocity?

Physics
A ball is thrown horizontally from the top of a building 55.4 m high. The ball strikes the ground at a point 65 m from the base of the building. The acceleration of gravity is 9.8 m/s2 . Find the time the ball is in motion in seconds.

Physical science
A ball thrown upward reaches a height of 13m. How much time did it take to get to this height? How much time will take to fall to the ground?

physics
A car moving at 10m/s when it begins to be accelerated at 2.5m/s^2. (a)How long does the car take to reach a speed of 25m/s? (b) How far does it go during this period

Chemistry
A 0.75 L bottle is cleaned, dried, and closed in a room where the air is 20°C and 42% relative humidity (that is, the water vapor in the air is 0.42 of the equilibrium vapor pressure at 20°C). The bottle is brought outside and stored at 0.0°C. (See Table 5.2) (a) W...

AP Chemistry
The answer is 50.0 torr and I got 46.0 torr but idk what I did wrong. Find the vapor pressure of a solution of 164 g of C3H8O3 and 338 mL of water at 39.8 degrees Celsius. Water's VP at 39.8 degrees celsius is 54.74 torr; it's density is 0.992 g/mL.

chemistry
how do you find the rate of production when you already know the rate of consumption? kinetics questions

English
Can you tellion. me what to put in this sentence? (comma, semicolons, hyphens, colons) 1. Thank you Dr. Smith for seeing this patient in pulmonary consulat

physics
A steel ball is dropped from a diving platform (with an initial velocity of zero). Use the approximate value of g = 10 m/s2. (a) Through what distance does the ball fall in the first 1.5 seconds of its flight? (b) How far does it fall in the first 4 seconds of its flight?

math
after school chase spends 20 min reading 30 min practicing the piano 15 min cleaning his room, and 40 min doing his homework, chase is busy for 105 min what fraction of the time does he spend cleaning his room?

MATH
determine the sum of: 50 over Σ 8(.5)^n-2 n=1

financial planning
Identify two cash management products and provide a short description of each. Do you have any experience with these products?

math
how do you do expanded algorithm? here's an example to use for the answer 58*26

Math
f(x) = 10x - 5 What is the value of f^-1(-4)?

Math
Mary drove from Amity to Belleville at a speed of 50 mph. On the way back, she drove at 60 mph. The total trip took 4 2/5 hours of driving time. Find the distance between these two cities. Any help would be greatly appreciated! =]

math
i'm sorry the second equals sign should be a + sign

math
-3(4b-10) = .5(-24b=60) find the value of b

math
here are the steps use distributive property to: 3 x g - 3x3 = 6 simplify to: 3g - 9 = 6 9+6 = 15 15 divided by 3 = 5 so, g = 5

Physics
Time intervals measured with a stopwatch typically have an uncertainty of about 0.2 s, due to human reaction time at the start and stop moments. What is the percent uncertainty of a handtimed measurement of (a) 5 s, (b) 50 s, (c) 5 min?

computer science
what language are you using def main(): for i in range(3) number = eval(input('Enter a number?')) pirnt(number)

statistics
1. Suppose the number of students in line during office hours: # of Students (X) Probability P(X) 0 0.40 1 0.30 2 ???? 3 0.10 a. If you knew that the number of students in line was between 0 and 3, what is the probability that will be 2 students in line when you arrive at the ...

Psychology
Thank you very much. This has been very helpful.

Psychology
• Post a 200- to 300-word response to the following: Describe the stages of sleep. In which stage do we dream? What are the five common beliefs about dreaming? What are the two common theories about dreams? Which of the two theories do you agree with? Explain. I am having...

stats help!
thank you in advance! in a given year the college admissions office accepts applicants from students, who are then either accepted or not accepted. accepted students may or may not decide to attend college. suppose the scores on a certain entrance exam for applicants of murphy...

dressmaking
thank you !!! im doin pennfoster an u helped me out alot :)

dressmaking
thank you !!! im doin pennfoster an u helped me out alot :)

math
554

6th grade Math
hi

algebra 1b
A customer wants to make a teepee in his backyard for his children. He plans to use lengths of PVC plumbing pipe for the supports on the teepee, and he wants the teepee to be 12 feet across and 8 feet tall (see figure). How long should the pieces of PVC plumbing pipe be?

chem
how many grams of hydrogen chloride is needed to produce 200 grams of hydrogen

Math
Find the volume of a rectangular pet carrier whose dimensions are 18.20 in wide, 14.00 in long, and 18.80 in high. Report the answer to the nearest hundredth of a cubic inch.

geometry
If BC = 2x + 1, CD = 3x - 4 and BD = 22, find the value of x.

8th Grade Chemestry
You are sledding on a snow-covered hill at a speed of 6 m/s. There is a drop that increases your speed to 12 m/s in 4 s. Find your acceleration.

science
what cause breast cancer?

math
r = 2/3t + v, for t

Physics
A block weighing 9.7 N requires a force of 2.6 N to push it along at constant velocity. What is the coefficient of friction for the surface?

math
patty has 123 cds in her music collection. of her cds 27 are country music. estimate the percent of patty's cds that are country music cds

math
patty has 123 cds in her music collection. of her cds 27 are country music. estimate the precent of patty's cds that are country music cds

Chemistry
If 3.0 moles of HCl are consumed in the reaction below, how many moles of FeCl3 are produced? 6HCl + Fe2O3 --> 2FeCl3 + 3H2O

Chemistry
In the equation: Fe(NO3)3 (aq) + 3KSCN (aq) forms FeSCN3 (aq) + 3KNO3 (aq) What type of reaction is this? why are there two aqueous solutions as products? Is there a secondary reaction? Finally is there a name for these products?

science
In the equation: Fe(NO©ý)©ý (aq) + 3KSCN (aq) ¡æFeSCN©ý (aq) + 3KNO©ý (aq) Why do two aqueous solutions form? What is this calle? Is there a seconday reaction?

Science 6th grade
I know definitely that it is 3

Physics
A 200kg motorcycle is driving in a circular path at 1 rev per 5 seconds and the circle has r=12m

chemistry
Both H2O and CO2 have 3 atoms, yet one is polar and one is nonpolar. Explain why, using Lewis dot structures in your answer

calculus
Find the volume of the solid whose base of a solid is the region bounded bythegraphsofy=3x,y=6,andx=0. Thecross␣sections perpendicular to the x ␣ axis are rectangles of perimeter 20.

calculus
Find the volume of the solid whose base of a solid is the region bounded bythegraphsofy=3x,y=6,andx=0. Thecross␣sections perpendicular to the x ␣ axis are rectangles of perimeter 20.

Chemistry (URGENT)
A gas mixture with a total pressure of 770 contains each of the following gases at the indicated partial pressures: CO2 , 249mmHg ; , Ar 114mmHg ; and , O2 174mmHg . The mixture also contains helium gas. 1. What is the partial pressure of the helium gas? 2. What mass of helium...

Chemistry
Green Light has a frequency of about 6.00 * 10^14 s^-1. What is the energy of the green light?

geometry
What is the distance from the origin to the point (14,11)?

Toms River
If you have 23 kids in a class how many of them are 5ft 2ins or taller? And how many are shorter?

Pages: <<Prev | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | Next>>

Search
Members