Sunday
April 20, 2014

Posts by George


Total # Posts: 858

Maths
Differentiate: y = In ( (x+3) / (x^2) )

Science HELP!
If a balloon is filled with helium gas of molar mass 4x10^-3, at a pressure of 1*10^5, What is the number of moles of gas in the balloon?

french
The le/la has to come after the conjugated verb and before the verb in the infinitive eg. 1) Je veux le voir If there is one verb then it goes between the pronoun and the verb (which u have done)

Physics
If a balloon is filled with helium gas of molar mass 4x10^-3, at a pressure of 1*10^5, What is the number of moles of gas in the balloon?

precal
find all values of x such that sin(sin(x))=1

12th grade
thats wrong bob it doesn't work.

physics 11
A 80KG hockey player has a coefficient of friction u=0.08 between her skates and ice. What is the force of friction on the player? 0.08(80 x 9.8) =62.7N If the hockey player is coasting, what is the net force?

calculus
find dq/dp.q=(5p^2+2p)-3/2 use impliict differentiation to find dq/dp

Science
WhT'S THE ANSWER?

Chemistry
Rank the following Bronsted acids from strongest to weakest: H-SH H-CH3 H-NH2 H-F H-I

Physics
the answer is shake your money maker

Physics
A long jumper leaves the ground at an angle of 20 degrees and travels a horizontal distanceof 7.0m before landing. What is the takeoff speed of the jumper? To be honest I really don't know how to solve it. A step-by-step explantion would be helpful.

Calculus
I don't understand this question. Q. In the theory of relativity, the mass of a particle with velocity "v" is m = mo/√(1-v2/c2) where mo is the mass of the particle at rest and "c" is the speed of light. What happends as v-->c-? Thank You!

physics
___ _ _ _ ____ | | |\/| |___ ... | | | | |___ ,' '. ___ ____ ; ; | | | | | | |__| | | _ _ _ ____ ____ _ _ | _, ,_ | | | | | | |__/ |_/ '´ | | `' |_|_| |__| | \ | \_ | | _ _ | | .|_|_,' | ,--. | | | | : | | | `|`'`-._| : | | | | | : | | | | | : | ...

Physics
Thanks!

Physics
In moving a 35.0 kg desk from one side of a classroom to the other, a professor finds that a horizontal force of 300 N is necessary to set the desk in motion, and a force of 185 N is necessary to keep it in motion at a constant speed. (a) What is the coefficient of static fric...

calculus
What analytic method steps are required to find the limit of cos x-1/2x^2 ? Limit greater than 0. Estimating -0.25 but stalled ....

calculus
What analytic method steps are required to find the limit of cos x-1/2x^2 ? Limit greater than 0. Estimating -0.25 but stalled ....

algebra
Solve algebraically and check x^2 + 4y^2 = 4 x = 2y - 2

Physics (Circular Motion!!)
Thank you for trying to help, but that is what i've been getting and my homework website tells me it is wrong. But now its two on one so i'm starting to think that the website is wrong

Physics (Circular Motion!!)
Astronauts use a centrifuge to simulate the acceleration of a rocket launch. The centrifuge takes 30.0 s to speed up from rest to its top speed of 1 rotation every 1.10 s. the astronaut is strapped into a seat 7.40 m from the axis. A) What is the astronaut's tangential acc...

Physics
Help! I've been trying to understand this question for quite some time now and every attempt i make at it i get the wrong answer. maybe i'm just pluging the numbers into the equations wrong, but i always get the wrong answers. if someone can just breakdown the steps fo...

math
I feel i may have stepped on some toes. I am sorry for that. I am not the most intelligent person in the world and I sincerly appoligize.

math
the best way to go about this question is trial and error. if he worked 7 hours and made 39.50, then if he works 3 hours painting the fence, and 4 hours mowing the grass then he makes 39.50. i'm sure you can make equations for it but it's much quicker and easier to go ...

Social Studies
10. The principle of self-government emphasizes majority rule whereas the principle of liberty emphasizes individual rights. These principles a. are universal and are the foundation of all legitimate governments. b. have no real meaning in practice. c. have the same meaning fo...

Math word problems
To determine the number of deer in a game preserve, a conservationist catches 428 deer, tags them and lets them loose. Later 644 deer are caught.161 of them are tagged. How many deer are in the preserve?

Math
3/w+1 + 2/3w= ? would the answer be 5/4w+1

chemistry
you are right....I wrote it wrong. Does this mean that the solution will be more toward the redish side?

chemistry
you are right....I wrote it wrong. Does this mean that the solution will be more toward the redish side?

chemistry
in my text book it says that if the calculated value is less than or equal to 0.1 then the color of the conjugate base (In- in this case) predominates. does this mean that the solution will be yellow then?

chemistry
The initial state of a reaction is A2 +B2 –> 2AB. In the initial state of the reaction there are 6 A2’s present and 6 B2’s present. Suppose the reaction is carried out at two temperatures.Which of these situations represents the result at the higher temperatu...

chemistry
in my text book it says that if the calculated value is less than or equal to 0.1 then the color of the conjugate base (In- in this case) predominates. does this mean that the solution will be yellow then?

chemistry
Is it because it is more acidic?

chemistry
would it be orange?

chemistry
The ionization constant Ka of an indicator HIn is 1.0x10^-6. The color of the nonionized form is red and that of the ionized form is yellow. What is the color of this indicator in a solution whose pH is 4.00? Thanks!

chemistry
Thank You!

chemistry
Which of the following has the greatest buffer capacity? There are three separate problems below. 1. 0.40 M CH3COONa / 0.20 M CH3COOH 2. 0.40 M CH3COONa / 0.60 M CH3COOH 3. 0.30 M CH3COONa / 0.60 M CH3COOH Thanks!

chemistry (WEBWORK)
a. vi,v b.iii c.iv d.ii e.i

Physics
This is WRONG. Did not multiply the 2pi by 3. You just did 2pi

marketing
• The goal of integrated marketing communication (IMC) is to produce a unified promotional message that has the customer as its focus. All promotional activity, such Draft a 200- to 300-word response answering the following questions: o How does an organization establish ...

Calculus
Calculus Limit Problem: Evaluate the function at the given numbers (correct to six decimal places). Use the results to guess the value of the limit, or explain why it does not exist. f(x)=cosx-1/sinx x=1, .5, .4, .3, .2, .1, .05, .01 What should I do? A table of values??

marketing
Select a product or service you would like to introduce to the marketplace. It may be from an existing company or a new concept. Prepare a 1,750- to 2,100-word marketing plan for your selected product or service. Include the following elements: A brief description of the produ...

math
how many 2x2 tiles to fill a room 85 x18?

chemistry
3. What is the ka for a solution of choloracetic acid (C2H5ClO2) which has a pH of 1.52 in a 0.112M solution? Please reply me as soon as possible sir Thank you George.

college
Writing errors, such as those identified in the readings for this week, may influence the way a reader interprets your writing. A résumé that is marred by grammatical errors, for example, may prevent a job candidate from progressing to the interview stage. Do you...

CHEMISTRRY
what is the molarity of an H2SO4 solution if 49.0 ml is completely titrated by 68.4ml of an NaOH solution whose concentration is 0.333 M?

Math
Find the simple interest. Round your answer to the nearest cent. Principal = $900 Rate = 4% Time in years = 3

Algebra 1
how to slove this question (a-8)(a-9)

math
what is the answer for (h+3)(h+4)

language
but black + ness = blackness sorry i dont get please explan it to me

language
so is it (B)

language
what is a compound? the queston is which word is a compound word? A)blackbrid B)blackness C)blacker

language
thanks

language
what is a homonym? the queston is? what is a homonym for missed? A)must B)mist C)most

language
what is a suffix? and what is prefix? the queston is " which word has a suffix but no prefix A)uncomfortable B)comfortably C)discomfort thanks for your time.

lag
no i mean (A) idiom and c

lag
what is a idiom? the queston is this "which sentence uses an idiom?" A)gustavo said we should go to the party. B)gustavo said we should go for it. C)gustavo said we might go with him.

Statistics
In a survey of 1037 adults, ages 65 and over, 643 were concerned about getting the flu. a) Find the point estimate for the population proportion , p , of those concerned about getting the flu. b) Construct a 90% Confidence Interval for the population proportion. c) How big a s...

Statistics
A medical research team studied the number of head and neck injuries sustained by hockey players. Of the 200 players who wore a full-faced shield, 40 sustained an injury. Of the 250 players who wore a half-faced shield, 60 sustained an injury. At á = 0.05, can you rejec...

Statistics
A maker of microwave ovens advertises that no more than 10% of its microwaves need repair during the first 5 years of use. In a random sample of 57 microwaves that are 5 years old, 13% needed repairs. At á=0.01, can you reject the maker’s claim that no more than 10...

statistics
An auto maker estimates that the mean gas mileage of its sport utility vehicle is 20 miles per gallon. A random sample of 8 such vehicles had a mean of 18 per gallon and a standard deviation of 5 miles per gallon. At á=0.05, can you reject the auto maker’s claim th...

Algebra
98. -49 = x - 50 add 50 to both sides x = 1 94. no (vertical line is not a function) 92. yes (horizontal line is a function) 89. (6/7)x - 6 = -2 add 6 to both sides = (6/7)x = 4 multiply both sides by (7/6) = x = 28/6 86. a. horizontal the y values are the same, so when they a...

math
81 hours

college chemistry
. One possible use for the cooking fat left over after making french fries is to burn it as fuel. Formula (for cooking fat) = C51H88O6 Density = 0.94 g/ml ΔH°f = - 1310 kJ/mol. Write a balanced equation of the combustion of cooking fat (the products are CO2 (g) and H2...

what is....
ms.sue i am just wondering are you from tn because you seem to know a lot about tcap btw thank you everybody for volunteering to help people who need help:)

what is....
well i am in the 3rd grade and i am going to take a test called TCAP the problem is is that i don't know anything about it and my questions are -what is it's purpose -what if i fail would they put it in my file -what do they do if i pass it

Paragraph
sorry i should had been more specific i didnt get it so thats is why i asked again

Paragraph
Paragraph Imagine you are an elected official with the responsibility of drafting legislation designed to protect our environment. What items will you include in your bill? Who will be responsible for the bill's implementation? Its enforcement

Geography
thanks

Geography
OK thanks but you think I'm completely right

Geography
umm 1,2,3

Geography
1,2,3 or may be 1.2.4 right

Geography
Select all of the answers that apply. A map _____. 1)is a representation of the earth's surface 2)is a portable document describing an area 3)can provide data such as migration trends, directions, and rock composition 4)provides all of the information about a location

earth science
i think its one and fore

earth science
Select all of the answers that apply. Some rules to remember when reading topographic maps are _____. 1)the elevations of contour lines must always be whole number multiples of the contour interval. 2)the thin line separating two different rock units is a contact line 3)points...

English
sorry its true

English
A collective noun is plural when the group acts as a unit (i.e., "The team lost their fourth game in a row."). A)true B)false i put false

English
"We give this award to Dexter, without whom we never would have found Mike's shoes." demonstrates correct use of whom. A)true B)false i put true

English
Pronouns used as subjects or subject complements are in the nominative case A)True B)False i put false

English
Identify the word in bold type. Do you know someone who can fix a lamp? A)demonstrative pronoun B)indefinite pronoun C)interrogative pronoun D)relative pronoun E)not a pronoun

English
They left the oven on; consequently, the roast was burnt beyond recognition. A)conjunctive adverb B)coordinating conjunction C)correlative conjunction D)subordinating conjunction

English
thank you

English
Identify the word in bold type. None of those bagels look fresh. A)demonstrative pronoun B)indefinite pronoun C)interrogative pronoun D)relative pronoun E)not a pronoun (B)

English
thanks

English
so its he right

math
which of these equations represents that 5 less then 10 a number is 15? A)10n - 5 = 15 B)5n - 10 = 15 C)(5-10)n = 15 D 5- (10 + n) = 15 i think its (C)

math
which of these statements about prime and composite numbers is true? F)all prime numbers are odd. G)all prime numbers have three factors. H)all composite numbers are divisible by two. J)all composite numbers have more then two factors i thinks it (J) but im not sure

math
what is 11/3 round to nearest whole number? F)1 G)3 H)4 J)11 i got 3 2/3 so what would that be (G)

math
Andrew worked from 9:45 am to 3:40 pm on Saturday.how long did he work on Saturday? A)5 hours 50 minutes B)5 hours 55 minutes C)6 hours 5 minutes D)6 hours 55 minutes i got 6 hours 35 minutes what did i do wrong

math
what is 11/3 round to nearest whole number? F)1 G)3 H)4 J)11 i got 3 2/3 so what would that be (G)

economic
hey i have the same questions too. did any of u get number 4 or 5

sociolinguistic
What is the languages used in indonesia? and what is the history of it?

language expression
choose the sentence that is complete and that is written correct. 11) A)annabel are planning to walk at least seven miles every week B)i am walking on the sidewalk when i have heard someone say my name. C)as soon as we see brent walking around the conor,we were yelling. D)as i...

language expression
ok sorry will do next time

language expression
what about 12-J 13-A 15-D 17-A

language expression
choose the sentence that is complete and that is written correct. 11) A)annabel are planning to walk at least seven miles every week B)i am walking on the sidewalk when i have heard someone say my name. C)as soon as we see brent walking around the conor,we were yelling. D)as i...

language expression
ok thanks

language expression
choose the word or phrase that best completes the sentence.my answers are all at the bottom 6)by now,the relay team _____ their practice laps. F)swam G)swum H)has swum J)was swimming 7)the director ______ a speech when the guest of honor arrived A)giving B)is giving C)has give...

language expression
thank you for your time

language expression
choose the word or phrase that best completes the sentence.my answers are all at the bottom 1)Vito ______ river rafting next week. A)had gone B)is going C)has been going D)will have been gone 2)there_____many bicycles for sale in this shop. F)is G)are H)was J)has been 3)a vict...

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