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March 29, 2015

Posts by beth


Total # Posts: 644

History
thankssss
February 3, 2013

History
Who are the parties involved in this joint study? : It would be NASA and the International Space Station, right...?
February 3, 2013

History
Um.. Not sure.. It's not d, probably not a.. Is it b? That sounds most logical..
February 3, 2013

History
NASA, space shuttles, and the International Space Station are (a)all related to Cold War spy technology (b) joint scientific study and space exploration efforts (c) United States efforts to build anti missile defenses (d) belief in extraterrestrial life
February 3, 2013

History
The first European power to explore the coast of West Africa was A. England B. Portugal C. Holland D. France
February 2, 2013

History
Thank you for helping me FIND the answer, and not just giving it to me. That's very wise of you, and helpful to me as a student who needs to be capable of research.
February 2, 2013

History
The advantage of the Phoenician system of writing over the Chinese, Sumerian, and Egyptian was that it (a) used fewer sounds (b) used fewer pictures (c) used fewer symbols (d) none of the above
February 2, 2013

History
Thank you, again.
February 2, 2013

History
The Soviet Leader who did the most to end the Cold War was which of these? A. Joseph Stalin B. Nikita Khrushchev C. Leonid Brezhnev D Mikhail Gorbachev
February 2, 2013

World History
Thank you Ms. Sue
February 2, 2013

World History
The person who might be called the "father of the hydrogen bomb" is (a) Enrico Fermi (b) Robert Oppenheimer (c) Niels Bohr (d) Edward Teller
February 2, 2013

World History
How?
February 2, 2013

World History
During the European medieval period, there was no strong centralized government. However, advances were made in the areas of (a) art, science and communication, (b) agriculture, technology and ship design (c) medical knowledge (d) all of the above
February 2, 2013

World History
Arabs are joined together through (a) kinship through a male line (b) arranged marriages (c) kinship through a female line (d) agreements by kings
February 2, 2013

chmisrty
when a solution of Iron (II)ammonium sulfate was mixed with K4FE(CN)6, the precipitate was initially white but turned blue upon exposure to air. what happen to the Iron(II)ionwhen the precipitate turned blue
January 25, 2013

Cultural Anthropology
A Big Man’s position differs from a chief’s position is not based on wealth. is based on personal skills and charisma. is an ascribed status. is reinforced through supernatural authority. My answer is a ascribed status is this correct?
January 20, 2013

Anthropology
Mrs. Sue the answer should be deserts least likely
January 20, 2013

Anthropology
Pastoralism is the branch of agriculture concerned with the raising of livestock. It is animal husbandry: the care, tending and use of animals such as camels, goats, cattle, yaks, llamas, and sheep. so the answer is grasslands?
January 20, 2013

Anthropology
is my answer correct?
January 20, 2013

Anthropology
Is the answer Tropical Forests?
January 20, 2013

Anthropology
Which environment is least likely to be inhabited by pastoralists? (Points : 1) grasslands savannahs tropical forests deserts
January 20, 2013

Computer Harware
You have a single hard drive on your computer that contains two NTFS partitions. Your computer's operating system alerts you that the C partition is running out of room. Your E partition still has 75 gig of free space. What is the least intrusive way to alleviate this ...
January 19, 2013

Computer Hardware
Your computer fails to boot which has Vista as the operating system. You suspect that the problem is the hard drive, but you aren't sure. What can you do to prove that the problem is indeed the hard drive? A. Install XP on the hard drive and attempt to boot. B. Boot into ...
January 19, 2013

chemistry
what is the frezzing point of 21.6 grams of NiSO4 in 1.00 times 10^2 H2O
January 9, 2013

pre algebra
Ellen buys 6 more paperbacks than hard covers. Paperbacks cost $8 each and hard covers cost $15 each. If Ellen spends a total of $117 on the books, how many of each type does she buy? Give a complete algebraic solution, using the distributive property.
January 8, 2013

exponential fuction
what is y=f(x)=1/3)x rounded to the nearest thousandth
January 3, 2013

math (algerba 1)
I need help with crossmatics puzzle 7
January 2, 2013

final review help
log2 64 and 2^x = 40
December 16, 2012

algebra help
2 5 3 ---+---=-- x^2 x-3 x+3
December 16, 2012

College Chemistry
A chemist decomposes several samples of water into hydrogen and oxygen and weighs (or more correctly “measures the mass of”) the hydrogen and the oxygen obtained.
December 6, 2012

SCIENCE
At 35°C, K = 1.6 10-5 mol/L for the following reaction. 2 NOCl(g) 2 NO(g) + Cl2(g) Calculate the concentrations of all species at equilibrium for each of the following original mixtures. (a) 3.8 mol of pure NOCl in a 2.0-L flask NOCl ___ M NO ___M Cl2 __ M (b) 2.4 mol of ...
November 19, 2012

math
Terry makes and sells necklaces. He has observed over time that when the price is $12 each, he sells an average of 20 per day. If he increases the price, then his average sales fall by 2 per day for each dollar increase. The materials for each necklace cost $7. Express his ...
November 15, 2012

math
801.14
November 10, 2012

math
813.72 meters
November 10, 2012

2 English questions
What is the old woman’s perspective on poverty as shown in these lines? Poverty is, though wanting an estate, / A kind of wealth that none calumniate. / Poverty, often, when the heart is lowly, / Brings one to God and teaches what is holy, / Gives knowledge of oneself and...
October 23, 2012

Math
To convert a temperature in degrees Celsius to degrees Fahrenheit multiply the Celsius temperature by 9/5 and then add 32 F Is a temperature in degrees Celsius proportional to its equivalent temperature in degrees Fahrenheit.
October 23, 2012

English
Thanks :)
October 23, 2012

English
In "The Canterbury Tales" Chaucer uses the pilgrimage primarily as a device to ___________. A.emphasize the characters' religious aspirations B.frame the stories told by individual characters C.describe the rigors of medieval life D.create a vivid and realistic ...
October 23, 2012

Math
thanks
October 23, 2012

English
Why do you think Sir Gawain flinched when the Green Knight brought his ax down, but the Green Knight did not flinch when he was in the same position? The prompt is referring to the long poem "Sir Gawain and the Green Knight" I think Sir Gawain flinched because he was...
October 23, 2012

Finance
Eva is 67 and unmarried. She receives $12000 a year in SS benefits and $20000 from taxable pension. She is in the 15% tax bracket and claims standard deduction. She wants to sell stock she has had for more than a year. Her cost is $6000 and its fair market value is $13000. she...
October 17, 2012

english
workers want tangible rewards such as money and a pension, but they also welcome less concrete benefits, such as acclaim for a job well done.
October 14, 2012

physics
If the distance x is 131 meters and the red car is traveling at 7.1 mph, how fast to the nearest hundreth is the blue car traveling?
October 10, 2012

anatomy/physiology I
Why is proper microscope technique important for studying Anatomy and Physiology?
October 8, 2012

Latin
Thanks for the help :)
October 4, 2012

Latin
Just one but the I thought the I was for the genitive case or it would just be filius?
October 4, 2012

Latin
1 Domini fili utit dare pecuniam 2 Laudabimus , enim (their) famae est magna. 3 Iuvabone aegrae feminam? 4 Nunti,(news) ad nautam nunc 5 Diu, regina non optabat dare regnam ad filiam 6 Orabunt deum magnae sapientiae et laetae vitae 7 Pueri et puella, tacete et vocabo populus ...
October 4, 2012

Latin
I need help in translating these sentences (lazy) The master's son used to give money to men in front of the temple. We will praise the Romans, for their fame is great. Will you help the sick women? Report the news to the sailors now. For a long time, the queen did not ...
October 4, 2012

Latin
Can you do other sentences for me as well?
October 4, 2012

Latin
Yeah you're right! I got that as well Thanks!
October 4, 2012

Latin
Urgent Help - I need to translate this sentence into Latin There is nothing new under the sky
October 4, 2012

Chemistry
The other two parts are: 1) How many carbon atoms are there in one of these pills (due to the presence of ethinyl estradiol)? 2What mass of carbon is this? (Enter the answer in grams.)
October 3, 2012

physics
a ford is traveling with a speed of 15 m/s and is 200 meters ahead of a Chevy traveling in the same directin at 20 m/s. How far will the Chevy travel before catching up to the Ford?
September 25, 2012

Maths
Calculate the density of earth given that its mass is 5.98x10^24 kg and volume is 8.78x10^8 m/s
September 25, 2012

English-Grammar
Thanks :)
September 22, 2012

English-Grammar
The interviewer (remained) speechless upon hearing about the senator’s revelations. Is remained a (I think this is the answer) linking verb action verb auxilary verb transitive verb Thanks for the help
September 22, 2012

Grammar
You were right, the answer was A, thank you!
September 19, 2012

Grammar
Which of the following sentences displays an INCORRECT use of interjections? A.No, I have not told Laura about the surprise! B.Great! I will make a reservation for the restaurant right away. C.Well, now that I think about it, maybe we should choose another date for the dinner...
September 19, 2012

Math
What is 0.000698 rounded to 2 significant figures?
September 14, 2012

ENGLISH
B D A B B Just took the test. got 3/5
September 11, 2012

Math
Pages in a book are numbered in typical fashion, starting with 1. The folio for page 10 will contain the tenth and eleventh digits necessary to paginate the book. On what page will the 2009th digit occur? Please Help!!! I have no idea where to begin
September 4, 2012

Math
Pages in a book are numbered in typical fashion, starting with 1. The folio for page 10 will contain the tenth and eleventh digits necessary to paginate the book. On what page will the 2009th digit occur? Please Help!!! I have no idea where to begin
September 4, 2012

medical coding
What is..in the ICD-10-CM may be synonyms or provide a list of various conditions included within a code classification
September 3, 2012

Math
If you have 3 quarters, 5 dimes, and 6 nickles, how many distinct ways can you give someone $0.50 (Assuming that all denominations of coins are distinguishable from on another)? I found 4 ways. Is that correct?
August 22, 2012

math
An art projector takes a 5 x 5" picture and enlarges it 14 times. What is the largest size, height and width, it can make? Have tried a formula of 5" x 14= 70, so 5 x 5" = 70 x 70 = 4900, 4900 divided by the side, 70, = finished size of 70 x 70" ?
August 13, 2012

Physics
A neutron causes the element 88X232 to change according to the reaction 0n1 + 88X232 ---->ZYA + . Identify the (a) atomic number and (b) atomic mass number of the daughter nucleus. (c) This product subsequently undergoes - decay, and its daughter does too. Identify the ...
August 5, 2012

Chemistry
One kilogram of dry air at STP conditions is exposed to 1.00 R of X-rays. One roentgen is defined by Equation 32.1 in Section 32.1. An equivalent definition can be based on the fact that an exposure of one roentgen deposits 8.30 x 10-3 J of energy per kilogram of dry air. ...
August 5, 2012

physics
A neutron causes the element 88X232 to change according to the reaction 0n1 + 88X232 ---->ZYA + . Identify the (a) atomic number and (b) atomic mass number of the daughter nucleus. (c) This product subsequently undergoes - decay, and its daughter does too. Identify the ...
August 4, 2012

Physics
An equivalent definition can be based on the fact that an exposure of one roentgen deposits 8.30 x 10-3 J of energy per kilogram of dry air. Using the two definitions and assuming that all ions produced are singly charged, determine the average energy (in eV) needed to produce...
August 4, 2012

Physics
A neutron causes the element 88X232 to change according to the reaction 0n1 + 88X232 ---->ZYA + . Identify the (a) atomic number and (b) atomic mass number of the daughter nucleus. (c) This product subsequently undergoes - decay, and its daughter does too. Identify the ...
August 3, 2012

Physics
One kilogram of dry air at STP conditions is exposed to 1.00 R of X-rays. One roentgen is defined by Equation 32.1 in Section 32.1. An equivalent definition can be based on the fact that an exposure of one roentgen deposits 8.30 x 10-3 J of energy per kilogram of dry air. ...
August 3, 2012

Physics
Suppose a nucleus of 93X236 fissions into two fragments whose mass ratio is 0.37:0.63. With the aid of the drawing, estimate the energy (in MeV) released during this fission. The drawing Shows A large. The A1 smaller the A2, A2 is nearly double the size of A1
August 3, 2012

Physics
Consider the induced nuclear reaction 1H2 + 7N14 ---->6C12 + 2He4. The atomic masses are 1H2 (2.014102 u), 7N14 (14.003074 u), 6C12 (12.000000 u), 2He4 (4.0026030 u). Determine the energy (in MeV) released when the 6C12 and 2He4 nuclei are formed in this manner.
August 1, 2012

Physics
Suppose a nucleus of 93X236 fissions into two fragments whose mass ratio is 0.37:0.63. With the aid of the drawing, estimate the energy (in MeV) released during this fission. Ive treied to do this problem but i keep getting the wrong answer. I keep getting 164.253 MeV
August 1, 2012

math
Please simplify (-3)2(-3)2 + 22 * (5)(-1)
July 30, 2012

Chemisty
For an electron in a hydrogen atom, the z component of the angular momentum has a maximum value of Lz = 4.22 x 10-34 J·s. Find the smallest possible value (algebraically) for the total energy (in electron volts) that this atom could have
July 29, 2012

Physics
Determine the activity of 1.11 g of 88Ra226 (a) in disintegrations per second (Bq) (b) and in Curies (Ci). The half-life is 1600 yr (1 yr = 3.156 x 10^7 s). 1 Ci is equal to 3.7 x 10^10 Bq. I keep getting the wrong answer and use the equation H=kNo
July 29, 2012

Physics
When any radioactive dating method is used, experimental error in the measurement of the sample's activity leads to error in the estimated age. In an application of the radiocarbon dating technique to certain fossils, an activity of 0.15 Bq per gram of carbon is measured ...
July 27, 2012

chemistry
Determine the activity of 1.11 g of 88Ra226 (a) in disintegrations per second (Bq) (b) and in Curies (Ci). The half-life is 1600 yr (1 yr = 3.156 x 10^7 s). 1 Ci is equal to 3.7 x 10^10 Bq.
July 27, 2012

Physics
How many half-lives are required for the number of radioactive nuclei to decrease to 1/10^4 of the initial number?
July 27, 2012

Physics
When uranium 92U235 decays, it emits a ray. If the emitted ray has a wavelength of 1.30 x 10-11 m, determine the energy (in MeV) of the ray
July 27, 2012

physics
Thanks It deffinatly helped some. I also realised I was downsizing the number to much.
July 21, 2012

physics
Find the wavelength (in nm) of a photon whose energy is 5.90 x 10-19 J. I understand that I have to use this equation to figure out the problem E=nhf, I just keep getting the wrong answer. Which is 33.68 nm
July 21, 2012

Physics
As Section 27.5 discusses, sound waves diffract or bend around the edges of a doorway. Larger wavelengths diffract more than smaller wavelengths. (a) The speed of sound is 343 m/s. With what speed would a 57.0 kg person have to move through a doorway to diffract to the same ...
July 21, 2012

Physics
Interesting. Im glad I wasn't to far off on the answer. Makes me feel a little better about everything. Thank you so much!!!
July 21, 2012

Physics
Two spaceships A and B are exploring a new planet. Relative to this planet, spaceship A has a speed of 0.54c, and spaceship B has a speed of 0.74c. What is the ratio DA/DB of the values for the planet's diameter that each spaceship measures in a direction that is parallel ...
July 21, 2012

Physics
A woman is 1.6 m tall and has a mass of 53 kg. She moves past an observer with the direction of the motion parallel to her height. The observer measures her relativistic momentum to have a magnitude of 2.6 x 1011 kg·m/s. What does the observer measure for her height?
July 21, 2012

Physics
Thank you. i sort of had to back track to get the answer you got but eventually got it. Thank you!!
July 20, 2012

Physics
A spacecraft approaching the earth launches an exploration vehicle. After the launch, an observer on earth sees the spacecraft approaching at a speed of 0.74c and the exploration vehicle approaching at a speed of 0.98c. What is the speed of the exploration vehicle relative to ...
July 20, 2012

Physics
Determine the ratio of the relativistic kinetic energy to the nonrelativistic kinetic energy (1/2mv2) when a particle has a speed of (a) 2.12 x 10-3c. and (b) 0.959c.
July 20, 2012

Physics
suppose that the angle of incidence is 1 = 37.1°, the thickness of the pane is 4.17 mm, and the refractive index of the pane is n2 = 1.50. Find the amount (in mm) by which the emergent ray is displaced relative to the incident ray.
July 14, 2012

Physics
Light waves with two different wavelengths, 632 nm and 474 nm, pass simultaneously through a single slit whose width is 4.47 x 10-5 m and strike a screen 1.70 m from the slit. Two diffraction patterns are formed on the screen. What is the distance (in cm) between the common ...
July 14, 2012

Physics
A compound microscope has a barrel whose length is 17.4 cm and an eyepiece whose focal length is 1.7 cm. The viewer has a near point located 25 cm from his eyes. What focal length must the objective have so the angular magnification of the microscope is -330?
July 14, 2012

Physics
So 34.2/14.6?
July 14, 2012

Physics
A converging lens (f = 14.6 cm) is located 39.0 cm to the left of a diverging lens (f = -4.57 cm). A postage stamp is placed 34.2 cm to the left of the converging lens. (a) Locate the final image of the stamp relative to the diverging lens. (b) Find the overall magnification.
July 14, 2012

Physics
An office copier uses a lens to place an image of a document onto a rotating drum. The copy is made from this image. (a) What kind of lens is used? Should it be 1 - converging, or 2 - diverging? Suppose the lens has a focal length of magnitude 13.0 cm. If the document and its ...
July 14, 2012

math 091
s+(-s)+1/9(9)
June 25, 2012

Physics
Identical +3.92 ìC charges are fixed to adjacent corners of a square. What charge (magnitude and algebraic sign) should be fixed to one of the empty corners, so that the total potential at the remaining empty corner is 0 V?
June 16, 2012

Physics
Two wires have the same length and the same resistance but are made up of different materials. The resistivities of these materials are 3.97 Ù and 1.97 Ù. Obtain the ratio of the smaller cross-sectional area to the greater cross-sectional area.
June 13, 2012

Physics
Consider three conducting spheres each 10 cm in diameter. “A” has a net charge of 5 C, “B” has a net charge of 10 C, and “C” has a net charge of zero, but is placed in an electric field of 1000 V/m. Rank the electric field strength inside the ...
June 13, 2012

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