# Posts by Beth

Total # Posts: 855

**Algebra**

How do I write an equation of a line that passes through the point (-31,22) and is parallel to this equation: 16x + 13y= -210

**Math**

Next door neighbors Moe and Larry are using hoses from each of their houses to fill Moe's pool. They know it takes 12 hours using both hoses. They also know that Moe's hose, used alone, takes 40% less time than using Larry's hose alone. How much time is required to...

**Math**

Because of an anticipated rainstorm, the water level in a reservoir must be lowered by 1 foot. Opening spillway A lowers the level by this amount in 4 hours, whereas Opening spillway B does the job in 6 hours. How long will it take to lower the water level by 1 foot if both ...

**math**

a freight train is traveling 30mph. An automobile starts out from the same place 1 hour later and overtakes the train in 3 hours. What was the rate of the automobile?

**history**

In order to create heavy industries in Russia, Stalin had his five-year plans. To increase agricultural production in China, Mao had his... A. Great Cultural Revolution B. Red Guards C. Reeducation policy D. Great Leap Forward

**history**

The nations of the world that were formerly victims of imperialism and did not align themselves with either the West or the Communist powers are today called what? A. first world countries B. second world countries C. underdeveloped nations D. developing nations

**History**

After Clovis's death, real power in the Merovingian Dynasty was in the hands of who? A. the nobles B. mayors of the palace C. parish priests D. king's wife

**History**

thankssss

**History**

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

**History**

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

**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

**History**

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

**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.

**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

**History**

Thank you, again.

**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

**World History**

Thank you Ms. Sue

**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

**World History**

How?

**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

**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

**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

**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?

**Anthropology**

Mrs. Sue the answer should be deserts least likely

**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?

**Anthropology**

is my answer correct?

**Anthropology**

Is the answer Tropical Forests?

**Anthropology**

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

**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 ...

**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 ...

**chemistry**

what is the frezzing point of 21.6 grams of NiSO4 in 1.00 times 10^2 H2O

**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.

**exponential fuction**

what is y=f(x)=1/3)x rounded to the nearest thousandth

**math (algerba 1)**

I need help with crossmatics puzzle 7

**final review help**

log2 64 and 2^x = 40

**algebra help**

2 5 3 ---+---=-- x^2 x-3 x+3

**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.

**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 ...

**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 ...

**math**

801.14

**math**

813.72 meters

**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...

**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.

**English**

Thanks :)

**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 ...

**Math**

thanks

**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...

**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...

**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.

**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?

**anatomy/physiology I**

Why is proper microscope technique important for studying Anatomy and Physiology?

**Latin**

Thanks for the help :)

**Latin**

Just one but the I thought the I was for the genitive case or it would just be filius?

**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 ...

**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 ...

**Latin**

Can you do other sentences for me as well?

**Latin**

Yeah you're right! I got that as well Thanks!

**Latin**

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

**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.)

**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?

**Maths**

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

**English-Grammar**

Thanks :)

**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

**Grammar**

You were right, the answer was A, thank you!

**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...

**Math**

What is 0.000698 rounded to 2 significant figures?

**ENGLISH**

B D A B B Just took the test. got 3/5

**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

**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

**medical coding**

What is..in the ICD-10-CM may be synonyms or provide a list of various conditions included within a code classification

**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?

**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" ?

**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 ...

**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. ...

**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 ...

**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...

**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 ...

**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. ...

**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

**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.

**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

**math**

Please simplify (-3)2(-3)2 + 22 * (5)(-1)

**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

**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

**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 ...

**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.

**Physics**

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

**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

**physics**

Thanks It deffinatly helped some. I also realised I was downsizing the number to much.

**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

**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 ...

**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!!!

**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 ...

**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?

**Physics**

Thank you. i sort of had to back track to get the answer you got but eventually got it. Thank you!!

**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 ...

**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.

**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.

**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 ...

**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?