Monday

August 29, 2016
Total # Posts: 2,315

**Physics**

where did you get the numbers .23 and -1.167 from?
*October 3, 2012*

**precalc**

f(x)=2+4x-x^2 when x is less than 2 thus f-1(x)=2-sqrt(-x+6) i need to show that f(f-1(x))=x, but i keep getting negative x...any help
*September 30, 2012*

**anatomy**

do you think there is a difference in the absolute force generated by males and females? I think the answer is yes just by the common knowledge that males are typically stronger than women. But, I'm not sure how to scientifically explain why a man's muscles are able to...
*September 27, 2012*

**physics**

t = 1.8 x = 36 meters y = -3.75 meters Vox = x/t = 36/1.8 Vox = 20 m/s Vox = VocosƟ 20 = VocosƟ Vo = 20/cosƟ Voy = Vo + at y = Voyt + 0.5at2 = -VosinƟ -4.9t2 -3.75 = (20/cosƟ)sinƟt -4.9t2 <----plug in t = 1.8 -3.75 = (20)(2)tanƟ - (4.9)(3....
*September 25, 2012*

**social study**

It should be : warmer than at either Z or U (if X is located on the center of the globe {equator} then it should be warmer than Z and U)
*September 24, 2012*

**chem**

have 0.0114 mole of Cu(OH)2 (s) a gelatinous precipitate. After heating, and converting all of it to CuO(s) wash the solid as a means of purifying it. How much (in g) should you have of CuO at this point? do you just convert 0.0114 moles cu(OH)2 to grams and then thats the ...
*September 24, 2012*

**math**

The combined capacity of a bottle and a glass is equal to the capacity of a pitcher. The capacity of a bottle is equal to the combined capacity of a glass and a mug. The combined capacity of three mugs is equal to the combined capacity of two pitchers. How many glasses ...
*September 23, 2012*

**math**

An empty truck weighs 2000 kg. After the truck was loaded, freight made up 80% of the weight of the loaded truck. At the first stop one fourth of the freight was unloaded. What percent of the loaded truck's weight did the load make up after that? (Hint: freight = load.) A...
*September 23, 2012*

**math**

In how many ways can you express the number 2003 as a sum of two prime numbers? A) 1 B) 2 C) 3 D) 4
*September 23, 2012*

**Physics**

3. s=m and m^3/m is m^2. the square root will be m.
*September 21, 2012*

**Physics**

The leg and cast in Figure P4.18 weigh 290 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w2 weighs 125 N. Determine the weight w1 and the angle α needed in order that there be no force exerted on the hip joint by the leg plus...
*September 16, 2012*

**world history **

The popularity of an individual Hindu deity was largely a reflection of a) its ranking by the Hundred Schools of Thought. b) the approval it received from Siddhartha Gautama. c) its pre-Aryan origin. d) the size of its pyramids. I think it's A but I'm not positive.
*September 14, 2012*

**AP world history**

bro, i know what you're going through keep strong and CTRL+F
*September 11, 2012*

**math**

sovle the following equation 8/x-1=9/(x)(x+2) i know the answer is -1,7 but how?
*September 10, 2012*

**Math**

I solved the equation below and got an answer of 9+-sqrt(57) but i don;t belive this is correct. help please. 5-sqrt(8x+1)=x 8x+1=x^2-10x+25 0=x^2-10x+25-8x-1 0=x^2-18x+24 then i completed the sqare got 9+-sqrt(57) THANKS SO MUCH
*September 10, 2012*

**math**

God me to I think we're all in connections academy
*September 6, 2012*

**geology**

2150
*September 4, 2012*

**Math**

A baseball is thrown upward from ground level with an initial velocity of 48 feet per second, and its height h in feet is given by , where t is the time in seconds. At what time does the ball reach 10 feet? Round to the nearest tenth. Step by step please
*September 4, 2012*

**Calculus**

1. Find an ordered pair that represents 6 vector v - 5 vector w if vector v =(9,5) and vector w = (6,9). 2. Find an ordered triple that represents 6 vector y + 4 vector z if vector y = (2,6,8) and vector z = (7,-2,6) 3. Find the magnitude of vector WX for W(3, –3, 1) and ...
*August 30, 2012*

**English Poetry Check**

I expect you to help? this is a homework help site is it not? excuse me for not getting them right? Itd be nice to get help and to be told as to why the answers are wrong.
*August 29, 2012*

**English Poetry Check**

that is rude and not very helpful..
*August 29, 2012*

**English Poetry Check**

3. What is the rhyme scheme of the following Anne Bradstreet poem? To Her Father with Some Verses Most truly honored, and as truly dear, If worth in me or ought I do appear, Who can of right better demand the same Than may your worthy self from whom it came? The principal ...
*August 29, 2012*

**algebra 1**

(1/13)* 42= 42/13= 3.23
*August 29, 2012*

**Biology**

1. Which of the following is the definition of ecology? the social movement with a goal to protect the environment the recycling of human-made materials to reduce waste going into landfills the study of interactions among organisms and between organisms and their environment ...
*August 24, 2012*

**Civics**

Ok gotcha!Haha that makes sense. Thanks! =)
*August 19, 2012*

**Civics**

Isn't there a term that for when you find people with college degrees working at a fast-food franchise?
*August 19, 2012*

**English**

Awesome! Thanks once again Ms. Sue.
*August 19, 2012*

**English**

My teacher says to discuss the style of an article we've chosen by noticing diction, tone, metaphorical language, organization, us of anecdote. Could someone give me an example of those 5 things? I'm a bit confused.
*August 18, 2012*

**Finance**

philippine peso
*August 13, 2012*

**Finance**

Joseph invested 3/4 of his lottery winnings to a corporate bond which gives a simple 8% interest after 1 year, and the rest he invests in another company which gives a 4% interest in 1 year. If the total investment is php700,000; how much is Joseph's lottery winnings?
*August 13, 2012*

**health**

lol im from ashworth too woo!
*August 11, 2012*

**chemistry**

A volume of 100mL of 1.00 M HCl solution is titrated with 1.00 M NaOH solution. You added the following quantities of 1.00 M NaOH to the reaction flask. Classify the following conditions based on whether they are before the equivalence point, at the equivalence point, or after...
*August 6, 2012*

**chemistry**

How many moles of HNO3 are present if 0.236mol of Ba(OH)2 was needed to neutralize the acid solution?
*August 6, 2012*

**math**

What percentage interest rate is a loan that charges one hundred dollars in simple annual interest over 5 years on a one thousand dollar balance?
*August 1, 2012*

**Program logic design**

cerritos.edu/pnguyen/cis103/labs/cis103home5sol.htm
*August 1, 2012*

**accounting**

The following information was made available from the income statement and balance sheet of Lauren Company. Item 12/31/10 12/31/09 Accounts Receivable $53,400 58,600 Accounts Payable 35,600 32,700 Merchandise Inventory 85,000 79,000 Sales (2010) 243,000 Interest Revenue (2010...
*July 25, 2012*

**U.S. GOVERNMENT**

so the final correct answers are 1)b 2)b 3)a 4)a 5)a 6)a 7)b right?
*July 22, 2012*

**Chemistry**

thank you i figured it out right before you posted this :)
*July 16, 2012*

**Chemistry**

nevermind, got it!
*July 16, 2012*

**Chemistry**

0.000341 g fluorescein (332.32 g/mol) is dissolved in 255 mL solution of ethanol. The density of ethanol is 0.785 g/mL. What is the concentration of the solution in molarity (M)?
*July 16, 2012*

**Math**

((25/a)- a)/ (5 + a) I know the answer comes to (5-a)/a but I can't figure out how to simplify it to this. I've gotten close but I'm not sure. Its probably easier than I'm making it out to be.
*July 2, 2012*

**computer science**

Can you help me break this into two clases, and Employee class and the default program class? I have to include a mutator and accessor method and provide properties for the instance variables. namespace commission { class Program { static void Main(string[] args) { decimal ...
*July 1, 2012*

**Physical Geography PLEASE CHECK & HELP WITH #2!**

I am instructor for a college in the US and for you cheaters out there on your lab work I recommend you stop as you are only hurting your grade. The answer of 27, 33, and 19 is not correct as that is the horizontal measurement not the vertical measurement. You have to look at ...
*June 30, 2012*

**science**

Which of the following is TRUE? A It was recently discovered that the pituitary gland does not actually do anything. B The hypothalamus is responsible for controlling the activity of the pituitary gland. C The pituitary gland controls the hypothalamus, which in turn controls ...
*June 27, 2012*

**psychology**

Write a paper that describes the character’s personality in terms of the Big Five personality traits.
*June 25, 2012*

**german**

1. Fill in the correct comparative form: Fußball ist ______ Golf. (interessant) A mehr interessanter als B interessanter als C mehr interessant als D interessant als is it C? 3. Fill in the correct comparative form: Der Film ist ______ das Buch. (schlecht) A mehr ...
*June 24, 2012*

**german**

Fill in the correct comparative form: Surfen ist ______ Jagen. (gut) A besser als B mehr gut als C schlechter als D mehr besser als is it A?
*June 24, 2012*

**Statistics**

Not a t-Test. Is a Linear Regression to test for a relationship between PC ownership and Computer Anxiety
*June 24, 2012*

**accounting please help!**

I have most of them done but would like to have these ones double checked... Please Help!!! 2. The balance sheet format that lists assets above liabilities is the _______ form. A. alphabetical B. liquidity C. account D. report I said B 13. Nick Company reports the following ...
*June 24, 2012*

**Physics**

A 5000 kg cart carrying a vertical rocket launcher moves to the right at a constant speed of 27.0 m/s along a horizontal track. It launches a 54.8 kg- rocket vertically upward with an initial speed of 33.1 m/s relative to the cart. A) where will the rocket land, relatively to ...
*June 15, 2012*

**Biology **

The release of eggs and sperm near each other into the water occurs during A spawning. B development. C growth. D all of the above. Is it A?
*June 15, 2012*

**physics**

A blue minivan weighing 20,000 Newtons and traveling east at 100 km/hr on a familiar turnpike approaches the toll booth. What is the kinetic energy (in joules) of the minivan just before the brakes are applied? Assume g = 10 m/s/s.
*June 4, 2012*

**Chemistry**

what are the half reactions for a) Cr(NO3)2 b) Pb(NO3)2 I know that Cr and Pb are: Cr^2+ +2e- -> Cr Pb^2+ +2e- -> Pb I just don't know how to do the half reaction for (NO3)2
*June 1, 2012*

**math**

93.75% are yellow
*May 25, 2012*

**Business HELP!!!**

This is a 100 question hw sheet and I have answered all but i am unsure about a few please help!!! 8. Which of the following statements about when the Fed increases the reserve requirement is correct? A. Interest rates go down. B. Banks have more money to lend. C. Inflation ...
*May 25, 2012*

**geometry**

712ft2(Squared)
*May 24, 2012*

**Business **

This is a 100 question hw sheet and I have answered all but i am unsure about a few please help!!! 8. Which of the following statements about when the Fed increases the reserve requirement is correct? A. Interest rates go down. B. Banks have more money to lend. C. Inflation ...
*May 24, 2012*

**Business Accounting**

This is a 100 question hw sheet and I have answered all but i am unsure about a few please help!!! 8. Which of the following statements about when the Fed increases the reserve requirement is correct? A. Interest rates go down. B. Banks have more money to lend. C. Inflation ...
*May 24, 2012*

**Business **

The contrarian approach to investing is best illustrated by A. staying out of the market no matter what experts are saying. B. always buying when others are selling. C. investing in mutual funds, contradicting the idea that investing in individual stocks is better. D. ...
*May 24, 2012*

**Business Accounting**

Which of the following statements about the money invested in a traditional IRA account is correct? A. It isn’t taxed until it’s withdrawn. B. It’s subject to double taxation. C. It’s taxed as you make deposits. D. It isn’t taxed.
*May 24, 2012*

**Math**

12
*May 14, 2012*

**Literature**

Who did Hans Christian Andersen dedicated The Little Mermaid to?
*May 11, 2012*

**math**

this question is vague, which system are you using? The numbers do vary. Also do want to convert a ton to Kg?
*May 9, 2012*

**Math**

because the [ (79degrees/360 degrees) x pi x 6^2 ] would be the measure of that section of the circle. the area of the whole circle would be pi x r^2 but since you're only solving for that section it would be 79/360 times that whole area of the circle to solve for that ...
*May 9, 2012*

**Math**

were you allowed to use a graphing calculator? because if you were, you would be able to find the HA by looking at the graph
*May 9, 2012*

**geometry**

Find the areas of both the wall and the door and subtract the two 8 x 20 = 160 to find the width of the wall: 4+ 8+ 8= 20 Area of the wall: 25 x 20 = 500 Area to be painted: 500-160 = 340 ft^2
*May 9, 2012*

**MATH**

(7/8)-(3/4)= x ----equation (3/4) = (6/8) (7/8)- (6/8) = (1/8)
*May 9, 2012*

**Chemistry**

thank you!
*May 9, 2012*

**Chemistry**

Consider an amphoteric hydroxide, M(OH)2(s), where M is a generic metal. M(OH)2 (s) <--> M^2+ (aq) + 2OH- (aq) Ksp=4e-16 M(OH)2 (s) + 2OH- (aq) <--> M(OH)4 ^2- (aq) Kf=0.06 Estimate the solubility of M(OH)2 in a solution buffered at pH= 7.0, 10.0, and 14.0 I'm ...
*May 9, 2012*

**surface area and volume**

"Hannah is right" was correct!
*April 29, 2012*

**physics**

dude same
*April 27, 2012*

**geometry**

B D D B C Anonymous is right, 3 is D.
*April 18, 2012*

**Chemistry help!!!**

The class will react 50.00 mL samples of .200 mol/L potassium phosphate with an excess of 0.120 mol/L lead II nitrate solution. what is the minimum volume of lead II nitrate solution required? What volume of lead II nitrate solution should the instructor tell the students to ...
*April 11, 2012*

**chemistry**

Calculate the pH of the resulting solution if 30.0 mL of 0.300 M HCl(aq) is added to (a) 35.0 mL of 0.300 M NaOH(aq). (b) 40.0 mL of 0.350 M NaOH(aq).
*April 10, 2012*

**Chemistry**

Which of the following solution should be mixed with 50.0 mL of 0.050 M HF solution to make an effective buffer? A) 50.0 mL of 0.10 M NaOH B) 25.0 mL of 0.10 M NaOH C) 50.0 mL of 0.050 M NaOH D) 25.0 mL of 0.050 M NaOH
*April 1, 2012*

**calculus**

if the solutions of f(x)=0 are -1 and 2, then the solutions of f(x/2) = 0 are
*March 31, 2012*

**algebra**

set denominator equal to 0 and solve for x which would make the equation undefined v^2-4v-32=0 (v-8)(v+4)=0 v=8, v=-4 x is not equal to 8 or -4
*March 29, 2012*

**Intermediate Algebra**

=sqrt(24)x i = 2sqrt(6)i
*March 29, 2012*

**Intermediate Algebra**

[(7a-b)(7a+b)]/(7a-b) =7a+b
*March 29, 2012*

**math**

break them down into shapes that you know how to work with like squares and rectangles.
*March 29, 2012*

**Science**

It should be 0.25. I don't really know how to get that from the equation (Amplitude=distance/frequency), but since the problem said that "the crests of the waves are about .5 meters above the troughs." I divided that by two.
*March 22, 2012*

**Genetics**

A certain form of albinism in humans is recessive and autosomal. Assume that 1% of the individuals in a given population are albino. Assuming that the population is in Hardy-Weinberg equilibrium, what percentage of the individuals in this population is expected to be ...
*March 18, 2012*

**Genetics**

The difference between fitness of a given genotype and another genotype considered optimal is called the selection coefficient (s). What is the selection coefficient for a genotype (aa) that produces an average of 99 offspring when Aa individuals produce an average of 100 ...
*March 18, 2012*

**Chemistry**

But how did you get the (Cl^-)?
*March 16, 2012*

**Genetics**

A certain form of albinism in humans is recessive and autosomal. Assume that 1% of the individuals in a given population are albino. Assuming that the population is in Hardy-Weinberg equilibrium, what percentage of the individuals in this population is expected to be ...
*March 15, 2012*

**Genetics**

The difference between fitness of a given genotype and another genotype considered optimal is called the selection coefficient (s). What is the selection coefficient for a genotype (aa) that produces an average of 99 offspring when Aa individuals produce an average of 100 ...
*March 15, 2012*

**Geometry**

The area of a square garden is 242m squared. How long is the diagonal?
*March 14, 2012*

**chemistry**

Its C, 0.004
*March 14, 2012*

**reed**

can you give me a filipino global leaderin the medical field who exemplified his or her faith by creating a difference through an act of social transformation of persons in the family ,in the community and in the global world.?
*March 14, 2012*

**reed**

group of filipinos in the medical field who exemplified his or her faith by creating a difference through an act of social transformation of persons in the family ,in the community and in the global world.
*March 14, 2012*

**pharcalc**

Can you give me one problem about pediatric dosing with many questions.
*March 13, 2012*

**calc2**

Let R denote the region in the plane consisting of all points (x,y) where x ≥ 1 and 0 ≤ y ≤ 2/x. Let S denote the solid formed by rotating R about the x-axis. Observe that S is an unbounded region; that is, it extends indefinitely in the direction of the ...
*March 8, 2012*

**Calculus**

The graph of the curve y2=10 x+10 is a parabola, symmetric with respect to the x-axis. Find the area of the surface generated by rotating about the x-axis the part of this curve corresponding to 0 ≤ x ≤ 20.
*March 8, 2012*

**Math**

Because diameter is twice the radius, the radius must be 1/2 of 8 ft. So r=4ft. The circumference is equal to 2*pi*radius. Since pi is =3.14 Thus by comparing the two equations D=2r C=2rpi the only difference is pi so the answer would be F if you assume 3.14 is approximately 3
*March 8, 2012*

**Science**

Roots have a tendency to grow downwards, while shoots grow upwards. Gravitropism is a turning or growth movement by a plant or fungus in response to gravity. Charles Darwin was one of the first to scientifically document that roots show positive gravitropism and stems show ...
*March 8, 2012*

**ymous**

You're standing 14 feet from the edge of a cylindrical water tank and is 26 feet from the point of tangency. the tank is 10 feet tall. what is the volume in cubic feet
*March 8, 2012*

**business**

•400, who posted on Sunday, April 15, 2012 at 1:51pm was correct!
*March 7, 2012*

**Physics 12**

A block mass m1 lying on a frictionless inclined plane is connected to a mass m2 by a massless cord passing over a pulley. 1.) determine a formula for the acceleration of the system in terms of m1, m2, Ө, and g. 2.)what conditions apply to mass m1 and m2 for the ...
*February 26, 2012*

**Math**

how do you factor: 3x^2 + 11x - 4
*February 25, 2012*