Wednesday

July 30, 2014

July 30, 2014

Total # Posts: 93

**science**

A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting position in 19.0 s. What is the average velocity for the roundtrip?

**algebra**

A baseball player hits a ball toward the outfield. The height h of the ball in feet is modeled by h(t) = -16t2 + 22t + 3, where t is the time in seconds. If no one catches the ball, how long will it stay in the air? (Round to the nearest tenth of a second and enter only the nu...

**Math**

You want to build a garden around your garden. One side borders your house so it does not need a fence. If you only have 50m of fencing what dimensions should you make your garden in order to maximize the area?

**Progamming**

The Banking e-Teller system allows bank customers to perform ATM transactions from their cell phone. BET will allow customers to check balances, make remote capture deposits, and perform balance transfers to their checking or savings account. Balance transfers should only be p...

**Question**

Is this website safe?

**physics**

Two charges separated by a distance of 1 m exert a 1.0N force on each other. If the changes are pulled to a 3-m separation distance, the force on each charge will be

**programming logic and design**

The Daily Gazette accepts classified ads in several categories. For most ads, the newspaper charges 10 cents per word for the first 50 words, and 8 cents per word for every word after that. Design a flowchart for a program that accepts data about an ad: customer name, ad categ...

**physics**

A 5-kg crate is resting on a horizontal plank. The coeï¬ƒ- cient of static friction is 0.5 and the coeï¬ƒcient of kinetic friction is 0.4. After one end of the plank is raised so the plank makes an angle of 25 with the horizontal, the force of ...

**Math**

I am the smallest fraction between 2/3 and 3/4. My numerator is 7 less than my dominator. What fraction am I?

**Math**

I am a fraction between 1/3 and 1/5 My dominator is 1 less than 4 times my numerator. What fraction am I?

**Health**

Depression is treatable in ________ of cases. A. 90% B. 20% C. 80% D. 50%

**chemistry**

consider the following equilibrium: Mg(OH)2(aq) <-> Mg2+ (aq) + 2OH-(aq) a) what would happen to the equilibrium if some acid is added to the soultuion? --->OH- would increase causing Mg(OH02 to dissolve b) what would happen to the solubility of Mg(OH)2? ---> it wo...

**chemistry**

Given a saturated solution of CaF2, write the ionic equilibrium and use it to calculate the solubility of CaF2. My answers for the ionic equation and ksp values are CaF2(s)<->Ca2+(aq)+ 2F-(aq) Ksp= [Ca2+][F-]2 ksp=2.02*10^-4 it asks what will happen to the value of ksp w...

**Honors Geometry**

AB=3 BC=15

**health**

omg im using this for ashworth too!!!! haha to funny!!!

**college math**

125x^9m+27y^6m

**help please :)**

its 1935

**physics**

The string on a violin has a fundamental frequency of 120.0 Hz. The length of the vibrating portion is 36 cm and has a mass of 0.58 g. Under what tension (in newtons) must the string be placed?

**physics**

A pendulum makes 23 vibrations in 36 s. What is its period in seconds?

**Algebra**

living in x aisle

**physics**

How large a force (in newtons) is needed to accelerate a 3 metric-ton vehicle from rest to a speed of 50 km/hr in 4 s?

**Pre algebra**

mr. and mrs.green received a discount of $87 on a new electric stove. the discount was the result of a 1/4 of sale. what was the sale price of the stove?

**Math**

A trapezoid is formed by placing a right isosceles triangle next to a square as shown in the figure. The total area is 54 ft2. Find the length of the bases and the height.

**English**

Can anyone help me with this? After the sentence, identify the underlined part as a prepositional phrase used as an adjective, prepositional phrase used as an adverb, participle, participial phrase, infinitive, or infinitive phrase. Would you like to know more about Yellowston...

**math**

Enter the expression asin(x)+15, where asin(x)is the inverse sine function.

**chemistry**

WHAT WOULD HAPPEN TO THE REACTION THAT PRODUCES AMMONIA IF WATER IS PRESENT IN THE REACTION MIXTURE?

**Chemistry**

HCl (g) Hbr(g) HF(g) Which of these gases has the fastest average speed? The highest average kinetic energy? How do I determine this?

**math**

yz= 15 cm

**math**

my homework didnt give me one

**math**

if segment "LM" =12cm and "MN" =15cm, what is the length of "YZ"?????

**physics **

Two slits are illuminated by a 536 nm light.The angle between the zeroth-order bright band at the center of the screen and the fourth-order bright band is 16.1 degrees. If the screen is 176 cm from the double-slit, how far apart is this bright band from the central peak? Answe...

**physics**

All but two gaps within a set of venetian blinds have been blocked off to create a double-slit system. These gaps are separated by a distance of 3.1 cm. Infrared radiation is then passed through the two gaps in the blinds. The angle between the central and the second-order max...

**Chemistry**

methanol and aluminum are reacted. how many moles of methanol must burn to raise the temperature of 100g of aluminum by 80 degrees Celsius?

**Statistics**

Jamaal, a player on a college basketball team, made only 50% of his free throws last season. During the off-season, he worked on developing a softer shot in the hope of improving his free-throw accuracy. This season, Jamaal made 54 of 95 free throws. We want to test the hypoth...

**phyiscs**

A stone is thrown horizontaly from the top of a 25.00-m cliff. The stone lands at a distance of 40.00 m from the edge of the cliff. What is the horizontal velocity of the stone?

**12th grade-chemistry**

what mass of lead (ii) iodide (pbl2, mass=461 amu)is precipitated by the addition of an excess of potassium iodide (ki, mass=166 amu)to 50.0 ml of 0.60 m lead (ii) nitrate (pb(no3)2, mass=331.2 amu)?

**physics**

a man has only 4 simple pulleys to lift a heavy load of 6000N. in roder to lift the load easily, he combines the pulleys (3 moveable, 1 fixed). given that the frictional forces are 300N, what force must he apply in order to lift the load?

**college**

Your asking for how many combinations and not the probability so ignore the answer above. First find the number of combinations if all letters and numbers can be repeated (26*26*10*10*10*10)=6760000 Then find the number of combinations if none were repeated (26*25*10*9*8*7)=32...

**research paper on code of medical ethics opinion 5**

No one Principle of Medical Ethics can stand alone or be individually applied to a situation. In all instances, it is the overall intent and influence of the Principles of Medical Ethics which shall measure ethical behavior for the physician .Now days many copywriting services...

**math**

(3/5)/6=D/25

**chemistry**

How many mL of 0.750 M HCl are needed to neutralize 14.89 mL of 0.350 M NaOH? ____ mL

**chemistry**

A 3.455 g sample of vinegar is titrated. It requires 16.83 mL of 0.2145 M NaOH to get to the phenolphthalein end point. Calculate the weight percent of acetic acid in this sample of vinegar. ____ % Note: calculate the molecular weight to one decimal place, so the answer should...

**Chemistry**

Compare the properties of elements and compounds. Give two examples of each, including one example that exists in the human body. Explain the atomic nature of one element and one compound found in human body.

**Science**

Explain the feedback mechanisms that maintain homeostasis.

**algebra**

Plane X flies 2,000 kilometers in 5 hours. Plane Y flies half as far in twice the time. What is the average speed, in kilometers per hour, of plane Y?

**chem**

a 22.5g sample of (NH4)2CO3 (ammonium carbonate) contains _____ moles of ammonium ions?

**Chemistry**

a sample of C3H8O that contains 200 molecules contain how many atoms?

**psychology**

ha i sure wish i could.

**psychology**

im a high school student and my school does not give us a book. they just give us the paper and tell us to do the best we can. i just dont understand the way the question is worded. does it want to know what kind of technology is used and how it helps or does it want to know h...

**psychology**

help me help me help me pleaseeee!! i need to know how computer technology enchanced psychological research?

**psychology**

how has computer technology enhanced psychologists research?

**Math Functions**

If f(x)=x^2-2 and g(x)=1/(3x) (x does not equal 0), find f^-1(x) where x </ 0

**algebra**

Uh...that makes two of us. If I got the problem I wouldn't be asking it.

**algebra**

If f(x)=x^2-2 and g(x)=1/(3x) (x does not equal 0), find f^-1(x) where x </ 0

**English**

What is the difference between Miss and Ms.?

**Letter**

What do you usually write to your sponsor child? Is there a template that I can see?

**3rd grade-language**

Your speed will increase with each day's practice. future tense Because of snow and ice on the runway, our departure will be several hours late. present tense Could someone tell me if these two answers are correct to the sentences?

**5th grade math**

thanks that helps

**6th grade**

Why does a bouncy ball bounce in spite of gravity?

**math**

what is the answer to whaat kind of shoes does a frog wear? on page 165 on algebra with pizzazz

**science....help**

i just compared saw like whether it is 3.98

**science....help**

thanks ....is it like... 25g 50ml float 0.5 65g 40ml float 1.625 36g 35ml float 1.0285 and ya 1 more question what is the difference between mass and weight?

**science plzzz help**

and ya 1 more question what is the difference between mass and weight?

**science plzzz help**

thanks ....is it like... 25g 50ml float 0.5 65g 40ml float 1.625 36g 35ml float 1.0285

**science plzzz help**

1 what si the diference between mass and weight? 2 will the following substances float or sink in water at 3.98 degree celcius? Mass volume float & sink 25g 50ml ? 65g 40ml ? 36g 35ml ?

**science**

if you cut the marble into two equal pieces, what will be the density , mass and volume of one of those pieces.

**Mth plz...help**

is the answer no. 1?

**Mth plz...help**

A linear regression equation of best fit between a student's attendence and the degree of sucess in school is h = 0.5x + 68.5. the correlation coefficent, r, for these data would be (1) 0 < r < 1 (2) -1< r < 0 (3) r = 0 (4) r = -1

**geomatry**

Given: Isosceles trapezoid CPRQ with base R CXQ Prove: QCX is isosceles it needs to be a two column proof

**spanish**

hello(: ive been learning spanish; & i need some help on it.!

**trigonometry word problems**

2x^2-x-28=0

**math riddle ALGEBRA WITH PIZZAZZ**

Did you heaar about.... its the one that has cow the his who & decided in the colomn as 1 of the answers

**Math**

what is 3X squared minus 4X = 20 minus 15X?

**Math**

how do i complete 2X squared minus X minus twenty one = 0?

**english**

I need help coming up with ideas for a double-voiced poem (aka: poem for two voices)?

**HELP! parenthetical citation**

I have a whole paragraph that basically summarizes a story. I have my own insight in the story. For example.. in this story blah blah blah I think that so and so blah blah blah. after doing this he did blah ... etc. i'm supposed to have three citations within my paper. do ...

**parenthetical citation**

In one of my paragraphs I am using one source. It's an online source about a case. One quote is a quote made from a judge, and the other quote is directly from the author of the article. Do I have to cite the one from the judge, cause it's quoted within the paper?

**Laws**

When was the first parental responsibility law created and what caused the idea. Or where could I find that?

**MED SCHOOL**

I've heard that good community college credits (A's) don't look as good as good grades from a four year school. Is that true?

**MED SCHOOL**

I want to be a plastic surgeon, is going to a community college for my general eds going to affect me?

**Gov.**

What should I type into search engines for information on what interest groups support which party more and stuff

**Gov.**

I'm supposed to compare and contrast the Democrat and Republican party. I can't find a good site that just gives this information in black and white. I want statistics and facts, any site ideas?

** physical science**

imagine that you added helium gas to a partially inflated mylar ballon, and expanded as the gas was added. During this expansion process, do you think the pressure of the helium gas inside the ballon increased , decreased or remained fairly constant? Assume the temperature of ...

**spelling**

i dont know the anwser to will you blank tomatose this sumeer my word are stayed meat daily breathe meanwhile belevies tonight increased brief tray

**Physics**

I have a question. What is the difference between gravitational mass and intertial mass? http://www.thefreedictionary.com/gravitational+mass http://www.google.com/search?hl=en&ie=UTF-8&defl=en&q=define:Inertial+mass&sa=X&oi=glossary_definition&ct=title

**English**

Is the the we'll a Snynonym or a homomym? Please rephrase and proofread. Your question is not clear. Thanks. =) A synonym is a word that means the same thing as another word. ex. lawyer, attorney A homonym is a word which sounds the same another word, but means something d...

**plz explain or translate this question!!!**

How were things resolved? what does this sentence mean? how do you write your answer for this Q? The sentence means there were two or more differing opinions, measurements or explanations about something. You are supposed to find out which is correct, or explain how the disagr...

**HELP!!!**

If gCrisis,h as the families call this center, puts a visitor in mind of a safe haven, it is nearly the last haven one will find. What does this sentence mean? I am confusing to understand it... Please tell me. One mile is 5280.How many feet is five miles? no it do...

**HEEELLPP!!**

Take time to write down anything in relation to the text. If you're intrigued by certain statements or if you are attracted to characters or issues or problems, write your response. This is the direction of journal that I have to write. How should I write my journal follow...

**Linear Programming**

calculate the lower bound from min z= 4x1 + 2x2 2x1 - 3x2 => 4 x1 + 5x2 <= 6 2x1 - 6x2 = 10 x1=>0

**Economics**

With the recent ecoli outbreak in spinach how would that effect the supply and demand? What do you think? Ask yourself, are you willing to eat more spinach? How will farmers respond? Will there be testing? etc.

**math**

For Problems 13 and 14, make a magnitude estimate. Circle the appropriate box. Then solve each problem. Show your work.

**Criticisims of Sigmund Freud!**

I'm writing a paper on the criticisms of Freud's theory. I think I'm on the right track, but I just wanted to see what everyone else here thought. I can't seem to find the right answers on the net. Anyone also have any good Freud websites? Thanks in advance!! W...

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