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Posts by tisha

Total # Posts: 79

physics
Two moles of Helium gas (? = 5/3) are initially at temperature 27 degree Celcius and occupy a volume of 20 litres. The gas is first expanded at constant pressure until the volume is doubled. Then it undergoes an adiabatic change until the temperature returns to its initial ...

science
for a particle executing simple harmonic motion the displacement is 8 cm at the instant the velocity is 6cm\sec and the displacement is 6 cm at the instant the velocity is 8 cm\sec calculate the amplitude?

math
Two cars,a and b travel in a straight line.The distance of a from the starting point is given by x=(4m/s)t+(1m\s^2)t^2;the distance of b from starting point is y=(2m/s^2)t^2+(2m/s^3)t^2; (a)At what times are the cars at the same point? (b)At what times is the velocity of b ...

Geography
What is the standard meridian of Malaysia? ??????? What is the standard meridian of Italy????

math
According to the method A=126..but the ans is given A=180..but how?

math
$420 is divided between A & B so that A gets 3/7 th of what B gets.what amount doea A get?

math
What is the sum of all integers x,such -36 <x<38?

math
In how many years taka 1800 will become taka 2250 if the simple interest rate is 5%?

math
didnt get the answer..can u explain pls??

math
A merchant marks a certain lamp up 30% above cost.then he gives a customer a 15% discount.if the final selling price of the lamp was $99,what was the approximate cost price?

science
All acids are not corrosive as only some acids which are harmful are corrosive and which are not harmful are not corrosive.

buisness communications
I think the answer is c

buisness communications
Nonverbal Symbols: a cannot be studied or learned because they are in inherent part of a person B. have the same meaning within a single culture C. may be communicated from one person to another without the sender even realizing it D. are easy to clear up if they are ...

buisness communications
non verbal symbols

Chemistry
9. If 5.40 kcal of heat is added to 1.00 kg of water at 100⁰C, how much steam at 100⁰C is produced? Show all calculations leading to an answer.

Social Studies help!!!!
Ms. Sue are you a teacher

Health
the patient received preventive medicine services. the physician's fee is $150. the patient's copayment is $10 (0f the $75 fee schedule). the payer reimburses the physician 80% of the $75 fee schedule.

math
one bag of oranges weighs 3 pounds and 4 ounces, a bag of apples weighs 65 ounces, which one weighs more?

Math
(1) 4/5 Multipled by 5/7 in simplest form. My answer is 1.9 don't really know if its write show work. (2) -1 1/6 divided by 2/9= -5 1/4 need help showing work. (3)-6 2/5 divided by (-2 2/7) = 2 4/5 (4) 2 2/3 divided by (-4 1/4) = -11 1/3 i nedd help showing my work

physics
these values were obtained as the mass of a bar of metal: 8.83g 8.84g 8.82g the known mass is 8.83g the values are both accurate and precise- true or false

math
A. Wyatt’s Western Wear purchases shirts for $47.50 each. A $34.00 markup is added to the shirts. What is the selling price? B.What is the percent markup based on cost for the shirts in the previous question? (Round percent to the nearest tenth.)

math
Bloomingdale’s purchases imported perfume for $24.30 per ounce. If the store policy is to mark up all merchandise in that department 39% based on selling price, what is the retail selling price of the perfume?

math
Office Market is having a sale on printer paper. If you buy 2 reams for $8.99 each, you will get a third ream free. Calculate the markdown percent. (Round the percent to the nearest tenth.)

math
You are the buyer for The Shoe Outlet. You are looking for a line of men’s shoes to retail for $79.95. If your objective is a 55% markup based on selling price, what is the most that you can pay for the shoes and still get the desired markup?

Math
b2-12b+144=0

reading
Financial advisors generally figure that ones disposable income will be what percent less than the gross income. A.5-10 B.10-20 C.20-30 D.40-50

Chemistry
A chemist requires 0.780 mol Na2CO3 for a reaction. How many grams does this correspond to?

world civilization NEED HELP A.S.A.P
What solutions did Augustus provide for the political problems that had plagued the Roman Republic?

Finance
Find the future value of $10,000 invested now after five years if the annual interest rate is 8 percent. a. What would be the future value if the interest rate is a simple interest rate? b. What would be the future value if the interest rate is a compound interest rate?

Math
John spent 1/4 of his paycheck on games. Then he put $24.00 into his savings. He then had 1/4 of his paycheck left. How much was his original amount?

Psycho Hepl Please
Thank you Ms. Sue

Psycho Hepl Please
Todd said to his wife, "Honey, you know how we have always wanted to be in business for ourselves? Well, today I did it! I have rented a 3,00 square goot business, hired six employees, ordered office furniture; we are in business." During the first three weeks, Todd ...

Psych
Unlike psychodynamic approaches to personality, the learning approach emphasizes what? A) latent personality structures B) Self-actualization processes C) The Outer Person D) biological traits I thin the answer is C-Outer Person but just not sure of it.

Religion of the World
I need information pertaining to the similarities in Judaism, Isslam and Christianity pertaining to the ten commandments.

Psychology
I guess re-reading the question probably D) storage, because if it isnt stored in memory you cant retrive it.

Psychology
When a student took her psychology quiz, she did badly on the essay question. Ealier, she had written a good practic essay on this concept. The failure of which memory process led to her poor essay performance? A) Encoding B) Retrieval C) Repression D) Storage I think the ...

psychology
Thanks, but still confused but I am going with Conditioned stimulus.

psychology
Can someone please help?

psychology
In Pavlov's classical conditioning experiments, the neutral stimulus that comes to elicit a conditioned reponse is known as the: A) unconditioned stimulus B) conditioned stimulus C) reinforced stimulus D) unreinforced stimulus I believe the answer is A or B and am leaning ...

Psychology
In Pavlov's classical conditioning experiments, the neutral stimulus that comes to elicit a conditioned reponse is known as the: A) unconditioned stimulus B) conditioned stimulus C) reinforced stimulus D) unreinforced stimulus I believe the answer is A or B and am leaning ...

Psychology
In Pavlov's classical conditioning experiments, the neutral stimulus that comes to elicit a conditioned reponse is known as the: A) unconditioned stimulus B) conditioned stimulus C) reinforced stimulus D) unreinforced stimulus I believe the answer is A or B and am leaning ...

Psych
Kenvin and Cheryl had completed their first day of naturalistic observation of adolescents at the local high school. As they dicssed their experiences during the day, they found that they were both concerned about the difference their presence in the classrooms mad on ...

Psych
Thanks

Psych
No not sure maybe A would be more complete.

Psych
Survey results may be inaccurate due to : A) participants who do not tell the truth. B) the bias respondents C) the use of a representative sample D) failure of most statistical procedures in analyzing the results of surveys. I am stumped but beleive the answer is B. Any help?

Psychology
Thank You

Psychology
Cognitive psychology can best be described as: A) The study of higher mental processes. B) The therapeutic application of critical thinking. C) The area of psychology which attempts to reduce judegmental thinking. D) A subspecialty of psychology based exclusively on ...

Early childhood education
What is an example of how to assess childrens understanding of numbers

Early childhood education
How could a teacher introduce additional science activities or materials related to children own spontaneous play.

physics
The energy of the electron in the 2s state is -12.98 eV, the energy in the 3s state -10.84 eV. What is the wavelength of the absorbed photon?

spanish
demanda a mi

Spanish
1.A 2.D 4.A 5. A

Physics
Let us assume that the muon production happens at an altitude of about 15 kilometers above the surface of the Earth, and that the produced muons have a velocity of 0.99 c. Thus, in the Earth system, it takes the muon approx. 50500 nanoseconds to reach the surface of the Earth...

math
simplify the expression. assume all variables are positive. third root x/y^2

world history
The Hull house is an example of ______?

com 170
I was under the impression that this sight helped with checking for corrections

com 170
According to my sister, I should use my credit card to make everyday purchases. My sister said items like food, clothing, and gas shouldn't be purchased with a credit card. Using your credit card as a substitute for cash is a habit that can quickly lead to debt. Leave your...

PHL/323
having issues with the phl/323 table.

media influences on american culture
Newspapers, once available only in print, have evolved into 24-hour multimedia operations. In addition to newspapers, briefly describe the evolution of movies, television, Internet, books and magazines, and media companies throughout the last century.

english
wht is the verb in this sentence: She exposes insurance cheats and lying spouses.

Financial Management
Lansing Inc. has decided to expand. During the last year the company borrowed $5 million for a term of 30 years to finance a new factory, and sold 60,000 shares of stock at $51 per share to pay for new equipment. Lansing also made a payment of $500,000 on an old long-term loan...

computer applicat ions
should different formats be used in business letters that address foreign executives?

Math
1a. equation is r^-2=w/c 2. equation is d=3.6sqrt(h) I forgot to include the equation into the problems.

Math
Hint for this assignment: Pay attention to the units of measure. You may have to convert from feet to miles in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets, but did you know ...

computer
can an information system project be managed or is the IT environment so complex and chaotic that any success is more a matter of luck than management skill

computers
advantages and disadvantages of using office automation systems

Computers
what security issues must be taken into consideration with regard to an organization hardware

english language
unscramble the word (bssmyale

languae arts
what is (bssmyale)(deaicunne)

english
what christmas word can i spell using the letters toeeltsim

math 6th grade
can u show me how u solve it.

8th grade physical science
yes that's right

Algebra
Find a quadratic equation with integer coefficients whose roots are 2 and7.

human physiology
Why is blood in the large veins referred to as mixed venous blood?

science
dir. fill in the blanks w/the correct #after conversion. #1]4.25dag----hg

English
When writing a literature essay about the bible, do you write in past or present tense?

Economics
Suppose that the Government runs a pension fund to which all workers must contribute. The employee contribution rate is 6.2 percent on the first $84,900 of income. All income in excess of $84,900 is not taxed for pension purposes. What was the effective pension tax rate for a ...

Economics
Suppose that the Government runs a pension fund to which all workers must contribute. The employee contribution rate is 6.2 percent on the first $84,900 of income. All income in excess of $84,900 is not taxed for pension purposes. What was the effective pension tax rate for a ...

algebra 2 honors
-[(-2-6)(-2)-2]=-2[(x-2)2-(2x-3)3]

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