Saturday

April 19, 2014

April 19, 2014

Total # Posts: 599

**math**

write each decimal as a fraction or mixed number in simplest form 0.78

**probability**

A bag contains 4 purple, 3 blue and 2 red cubes. Select 3 cubes and stack on table next to the bag. What is probability of the cubes being red, purple then blue

**Physics**

An electron is accelerated horizontally from rest in a television picture tube by a potential difference of 1.00 × 104 V. (a) Find the final velocity after the original acceleration period. (b) It then passes between two horizontal plates 6.0 cm long and 1.0 cm apart whi...

**Physics**

looking for info on like question, if we do not know how to solve it and equation is greek to us, need a step through. whoever posted first obviously doesn't know how to help...

**college**

What amount would accumulate if you invested $1,000 at the end of each period for 21 periods at 10%?

**US History**

How did the views of the Whigs and Democrats differ from those in the Free-soil Party?

**Biochemistry**

Hi, In this task for our school, we were requested to investigate a method for testing the amount of caffeine content in coffee. There are 3 main questions as fellows 1. What would be a good method to measure the amount of caffeine in coffee without extracting it? 2.What is th...

**Accounting**

A company has a $150,000 invoice that is due in 60 days with a 2% discount if paid in 10. The company can invest the 2% or $3000 and earn 6% per year. What should the company do?

**physics**

so it wud be (60x9.8-12^2)/34?? = 13.06N??

**physics**

Driving in your car with a constant speed of 12 m/s, you encounter a bump in the road that has a circular cross section. If the radius of curvature of the bump is r = 34 m, find the apparent weight of a 60 kg person in your car as you pass over the top of the bump in Newtons.

**college physics**

yes.. it's the "brothers of mercy" problem. a plane is flying at 40 m/s, descending at an angle of 37 degrees to the horizontal. it is 100 m in the air and it is trying to drop a package to a man at R distance. what is R? to find R, i needed to solve for time. th...

**college physics**

using the quadratic equation on a 2 dimensional projectile motion problem... i am solving for tf and i have it worked all the way down to: -100m(tf)-100m(tf) / -10m/s^2(tf)^2 or -200m(tf) / -10m/s^2(tf)^2 is the answer 20 seconds? algebra is not my strong suit =(

**college physics**

ahhh i finally got it!!! thank you so much!

**college physics**

my variables are a little different than yours, but here is what i have.. Yf=Vosinθ (tf)-.5g(tf)² Yf=Vosinθ(xf)/Vocosθ-.5g(xf/Vocosθ)² i'm having trouble isolating Vo. am i supposed to use the quadratic equation? my algebra is not very good.. ...

**college physics**

thank you very much.. i understand what you are saying, but can you show me the algebra steps to get the 2 solutions? i keep substituting the first equation into the second and try to work it out, but for some reason i am still doing it wrong.

**college physics**

(Projectile Motion) You are being asked to bombard an enemy fortress that sits on a 40 m tall cliff 100 m from your location. Your cannon has an elevation of 37 degrees. What velocity must your cannonball have to hit the walls of the fortress?

**math**

alright.. this is the linear programming question i got.. JJ Manufacturing has three factories (1,2,3) and three distribution centers (A,B,C). shipping costs from the factories to the distrubution centers is as follows from factory 1 to center A: $6 from factory 2 to center A:...

**financial accounting**

Review the annual reports for PepsiCo, Inc. and The Coca-Cola Company in Appendixes A & B, especially the Consolidated Statements of Income and the Balance Sheets on pp. A4, A6, B1, & B2 of Financial Accounting.

**maths linear programming**

alright.. this is the question i got.. JJ Manufacturing has three factories (1,2,3) and three distribution centers (A,B,C). shipping costs from the factories to the distrubution centers is as follows from factory 1 to center A: $6 from factory 2 to center A: $8 from factory 3 ...

**CRT 205**

argument

**math**

6.00+6.00(1+x)/(.10-x)=145.20 solve for x.

**ALGEBRA**

145.20=6.00+6.00(1+x)/ (.10-x) Solve for X

**Finance**

At what rate must $500 be compounded for it to grow to 1079.46 in 10 years? 8 percent? i think

**English**

dangling modifiers to paint one's house frequently one must do it oneself All homeowners almost try to paint at one time or another

**Chemistry**

why not #4? that has two resonance structures and it is isoelectronic to ozone which is diamagnetic.

**Chemistry**

Which of the following nitrogen oxide molecules and related ions is/are diamagnetic and has/have more than two charge-minimized resonance structures? 1. NO 2. NO2 3. N2O4 4. NO2-

**Fin**

if the price of milk has quadrupled (that is, grown four times) over the past 25 years, what has been the annual rate of inflation in milk price over that time period?

**biology**

nitorgen has an atomic number of 7. which of the following elementshave similair chemical proteries? carbon, neon, phosphorus, or sulfer?

**chemistry**

how to caculate moles with only molarmass

**economics**

After an unexpected increase in the price of oil, the long run adjustment_____ the price level and_____the unemployment rate as they return to original levels. a- decreases, increases b- increases, increases c- increases, decreases d- decreases, decreases a?

**economics**

all of the following can be used to compute profit per unit except: a) price minus avg total cost. b) total profit divided by quantity. c) avg revenue minus avg total cost d) marginal profit minus marginal cost

**economics**

if production displays economies of scale, the long run average cost curve is: a) upward sloping b) above the short run average total cost curve C0 below the long run marginal cost curve d) downward sloping

**economics**

When the price of summer tank tops falls and you buy more because they are relatively less expensive, this is called: a)elasticity effect b) deadweight loss effect c) income effect d) substitution effect

**economics**

When the price of summer tank tops falls and you buy more because they are relatively less expensive, this is called:

**math again**

Yes because if you graph x=4, your line should be vertical and by graphing (4,0), you would get the same answer.

**science **

what are the common place copernicum or ununbium are found in

**sceince **

i want to know what is the common place this element is found in

**sceince **

what are place to find the element ununbium or copernicium

**MATH**

a 5 b 3 c 7 d 38

**physics**

A rugby player runs with the ball directly toward his opponent's goal, along the positive direction of an x axis. He can legally pass the ball to a teammate as long as the ball's velocity relative to the field does not have a positive x component. Suppose the player ru...

**french**

thankyou

**french**

Le gouvernement a décidé de programmer à nouveau ces spots sur les chaînes de radio et télé, accompagnés d'autres recommedations.

**french**

does spots mean commercial i have tried dictionaries and online translators none of them know the word

**Computers**

Operator overloading: Array indexing [] – allow for double indexing [][] I'm not sure how to overload the operator[] for double indexing. Please help if you can. Thanks

**Computers**

The test data I'm using is y = 3. I tried using a trace table, but I get back to 2. Not sure how to get an answer in the form x * Z - y. Any help will be much appreciated. Thanks

**Computers**

Show what the final output of this function will be. The answer will be in the form x * Z - y Private Function F(x as Int, y As Int, z as Int) If (y = 1) then Return 2 Else Return x * Z - y + F(x-1,y-1, z) End If End Function

**Accounting**

Determine the amount to be paid within the discount period for purchase with an invoice price of $7,745, subject to credit terms of 2/10, n30. Explain how you reached your answer.

**Accounting**

Discuss the advantages and disadvantages of sole proprietorships, partnerships, and corporations.

**calculus**

Find an equation for (a) the vertical line and (b) the horizontal line through the given point. (-3.14,0)

**economics**

Suppose that the typical snowboarder/skier visiting Mount Unknown ski resort on a typical day would be willing to pay for lifts up the mountain according to the following schedule. (see graph …url below) 1. Why does the WTP schedule slope downward ? 2. Suppose all skiers ...

**Physics**

Millikan's oil drop experiment suspended a charged oil drop in an electric field. By measuring the size of the drop and using the oil's density, the weight of each drop could be calculated. This allowed the charge of each drop to be found, which was always found to be ...

**Chemistry**

Hi! I have another question. So 1 kcal of heat is added to 1.5 L of oxygen in a container at constant pressure. (1atm). Then volume increases to 3.1L. they want to know total energy change. Now i think the formula is DH=DU + PDV so what i did was DH = 1 kcal + 1atm(3.1-1.5) = ...

**high school**

what?

**Chemistry**

Hi! I have another question. So 1 kcal of heat is added to 1.5 L of oxygen in a container at constant pressure. (1atm). Then volume increases to 3.1L. they want to know total energy change. Now i think the formula is DH=DU + PDV so what i did was DH = 1 kcal + 1atm(3.1-1.5) = ...

**Chemistry**

Hi! I have another question. So 1 kcal of heat is added to 1.5 L of oxygen in a container at constant pressure. (1atm). Then volume increases to 3.1L. they want to know total energy change. Now i think the formula is DH=DU + PDV so what i did was DH = 1 kcal + 1atm(3.1-1.5) = ...

**Chemistry**

sweet thanks GK!

**Chemistry**

A person falls in water at 0 C. After 30 min in the water, he/she suffers from hypothermia, as their body temp drops to 30 C. Since we are water.... we assume the heat capacity is 4.18 J/g/C. 180 Kcal of energy is required to raise the persons temp to 40 C. I need to find the ...

**Chemistry**

Which is the anode and which is the cathode when doing the electrochemistry: Zn or I2/I- Cu or I2/I- Fe or I2/I- Ni or I2/I-

**Critical Thinking**

What is a true, non-subjective, factual claim.

**critical thinking**

what word or phrase shows that a conclusion is up ahead

**Science**

How many Coulombs of charge pass through a 95W amplifier plugged into 110V wall socked over the course of a 2 hour concert?

**Chemistry-Solubility Product**

Why does effervescence when the Group 2 anion precipitate is acidified imply the presence of (CO3)2- ?

**math**

the incompetent bullfighter was by gordan bluddy.

**math**

The acceleration of a particle at a time t moving along the x-axis is give by: a(t) = 4e^(2t). At the instant when t=0, the particle is at the point x=2, moving with velocity v(t)=-2. Find the position of the particle at t=1/2 if you could show me how to get that please

**spanish**

what is wrong with saying llegamos con mi mama en el aeropuerto? should the en el be del?

**chemistry**

a compound made in the first part of an experiment, [Co(NH3)5Cl]Cl2 appeared to be a dark brown/orange/purple color. This product was then used as a reactant to synthesize [Co(NH3)5ONO], which was a red color. how do you account for the differences in color between these two?

**chemistry**

what ions would for from this compound in an aqueous solution? how would i write the equation that forms these ions? [Co(NH3)5Cl]Cl2

**Physics**

Do you go to Connections Academy?

**9th grade**

ms.sue whats the answer?to my question? Thanks,Daves dad

**9th grade**

using only 15 of these letters,tlpuytsiaaganbrnlrog,what do you call a female bug that floats?

**9th grade sience**

what do you call a female bug that floats?

**math**

blank times blank equals 140 what is the two blanks

**precalculus**

show that (-1,1), (9,4), (20,6) and (10,1) are the vertices of a rhombus and then find the area of this rhombus?

**9th grade : Algebra**

how do you solve linears

**math**

lula wants to round 76.24491 to the nearest hundreth. how do you do it?

**chemistry**

2 Cl(g) --> Cl2(g) exo-on H2O(l) --> H2O(g) endo-by 2 H2(g) + O2(g) --> 2 H2O(l) exo-on 2 Li(s) + H2O(l) --> 2 LiOH(aq) + H2(g) endo-by 3 NaN3(s) --> Na3N(s) + 4 N2(g)endo-by

**math**

WHAT IS THE RECIPROCAL OF 5 3/4

**business**

why must a business manage information as a resource?

**5th grade**

draw some quadrilaterals. one fifth is blue. one half is yellow.

**AP World History**

is this good, The Han and Roman Empire were important empires during the time of their existence. The Han Empire began around 206 B.C.E and ended 220 C.E. The Roman Empire began around 27 B.C.E. Throughout their existence, Han China saw technology as an important and beneficia...

**AP World History**

i need help!

**Math -5th Grade**

Using on 3, 11, 21, and 24 only once, and using any combination of divide, multiply, addition, and subtraction, what formula can be created to equal 24?

**acton high**

how do you detect the presence of co2 in a liquid

**Macroeconomics**

Can someone check this for me? 1. Where in the US National Income and Product Accounts and the circular flow of expenditure and income do new home sales appear? ANSWER: I said they appear with money going from the households to the goods and services market. 2. How does a fall...

**MATH**

Suppose that g(X)=f(cx). Show from the definition that g'(x)=cf'(cx)

**Calculus**

Find (fg)'(1) if f(1)=1, g(1)=2,f'(1)=3, g'(1)=-3

**Axia College**

I can not believe the amount of errors on this page with spelling etc. There is no problems getting jobs as long as you know your stuff. People usually gripe about the school because they cant handle not having a teacher around. If you are self-paced and do not need constant a...

**help math**

a partial moves along the x-axis so that its velocity at time t, for 0< = t = < 6, is given by a differentiable function v whose graph is shown above. The velocity is 0 at t=0, t=5, and the graph has horizontal tangents at t=4. the areas of the regions bounded by the t-a...

**calc help**

t= hours 0 1 3 4 7 8 9 l(t) people 120 156 176 126 150 80 0 concert tickets went on sale at noon (t=0) and were sold out within 9 hours. the number of people waiting in line to purchase tickets at time t is modeled by a twice-differentiable function L for 0< = 0 < = 9. v...

**government**

Why did the South choose to return to a Confederacy despite the failures of this governmental form in the late 18th Century?

**math**

How is doing operations (adding, subtracting, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work another type? When might you use ...

**physics/chem**

n Fig. 21-41, three identical conducting spheres initially have the following charges: sphere A, 7Q; sphere B, -8Q; and sphere C, 0. Spheres A and B are fixed in place, with a center-to-center separation that is much larger than the spheres. Two experiments are conducted. In e...

**physics/chem**

(a) What equal positive charges (in Coulombs) would have to be placed on two celestial objects with masses 9.40 x 1027 and 1.99 x 1022 kg to neutralize their gravitational attraction? (b) What mass of hydrogen would be needed to provide the positive charge calculated in (a)? I...

**physics/chem**

Calculate the number of coulombs of positive charge in 261 cm3 of (neutral) water. (Hint: A hydrogen atom contains one proton; an oxygen atom contains eight protons.)

**geography**

Thanks for all the help. I realize this isn't a site for doing other's homework, but this is not for the purpose of a homework assignment, but for creating a map of East Asia. I am merely trying to source outside help due to time constraints.

**geography**

Also the principal roadways; airports, harbors; and railroads in each region would be very helpful too.

**geography**

Need to know the principal rivers, mountains, and bodies of salt and fresh waters within and around China, Taiwan, Japan, North and South Korea. Thanks.

**science**

Describe (with calculations) how you prepare 1.00 L of 0.750 M barium hydroxide solution starting with Solid barium hydroxide

**English**

chameleon,

**Health Project**

Could someone help me find a medical supply company presentation which involves information about the products, jobs, services, etc available. I would greatly appreciate that!! Thanks

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