Friday

August 22, 2014

August 22, 2014

Total # Posts: 2,147

**math**

is the answer 12
*March 24, 2010*

**math**

A cyclist and a jogger start from a town at the same time and headed for a destination 24 mi away. The rate of the cyclist is twice the rate of the jogger. The cyclist arrives 3hrs ahead of the jogger. Whats the rate of the cyclist?
*March 24, 2010*

**college chem**

To solve this, you require the Henderson-Hasselbach equation: pH = pKa + log(conc.base/conc. acid) You have pH and pKa, so plug in the numbers, and solve for the ratio of Base/acid. With some algebra, you can then figure out the volume amounts of each species.
*March 23, 2010*

**5th grade**

how can 2and2 3thirds be equal to 16 sixths
*March 22, 2010*

**Accounting**

using the financial statements of landry's restaurant located in appendix a of the text fundamentals of financial accounting 1st ed by phillips libby and libby compute teh following ratios for 2002 and 2003 a. Return on Equity b. Inventory Turnover I cannot locate in ...
*March 20, 2010*

**Statistics**

Choose the right answers, and provide reasons and calculation To study the effect of change in price of a DVD ($) on the total profit (000, dollars), the analyst of an electronic firm randomly selected 13 retail sales stores. She used the data on total profit (y) and DVD price...
*March 17, 2010*

**Statistics**

Choose the right answer, and provide the reasons and calculations. A palmist claims that he can accurately predict the age at death (y) of an individual from the length (centimeters) of age line (x) on the right hand of the individual. A random sample of 20 dead individuals ...
*March 17, 2010*

**Statistics**

Choose the right answer, and provide the reasons and calculations. A palmist claims that he can accurately predict the age at death (y) of an individual from the length (centimeters) of age line (x) on the right hand of the individual. A random sample of 20 dead individuals ...
*March 17, 2010*

**Business Communications**

Which of the following sentences uses passive voice appropriately? A:"Your order was shipped yesterday and should arrive Friday." B:"The shipping clerk sent your order yesterday and it should arrive by Friday." C:"The decision was made after much ...
*March 16, 2010*

**Chemistry**

.445 L
*March 13, 2010*

**Math**

Use the fact that (125)^1/3 = 5 and the tangent line approximation to estimate (123)^1/3
*March 13, 2010*

**Accounting**

FIN 200 Checkpoint: break even analysis
*March 11, 2010*

**pre alg**

-8/75
*March 11, 2010*

**Math 98 pre algebra**

thank you
*March 11, 2010*

**Math 98 pre algebra**

14 and 2/3 times 2 and 2/11 divided by 3 and 3/8. i got =234 and 1/4 am I correct and if not what is the answer?
*March 11, 2010*

**math**

40 is what percent of 800
*March 9, 2010*

**math**

8.02-3.696
*March 9, 2010*

**Geometry**

cos x°=15/17 tan 76°=13/x
*March 9, 2010*

**Physics**

Two point charges, 5.0 µC and -2.0 µC, are placed 5.0 cm apart on the x axis, such that the -2.0 µC charge is at x = 0 and the 5.0 µC charge is at x = 5.0 cm. At what point(s) along the x axis is the electric field zero? I'm not exactly sure how i ...
*March 9, 2010*

**Math**

a circular track runs around a park. there is a sidewalk that connects two points on the track that runs through the center of the park. the sidewalk is 100 ft. long. How long is the track to the nearest half foot?
*March 8, 2010*

**Math**

I see it now,because a diagonal divides a parallelogram into two congruent triangles! Thank you!!
*March 5, 2010*

**Math**

So one side of the rhombus is equal to seven? I'm still confused as to how you got your answer...
*March 5, 2010*

**Math**

In rhombus DEFG, if m<DEF=60, and the shorter diagonal DF has a length of 7, find the length of the side of a rhombus.
*March 5, 2010*

**Geometry**

In rhombus PQSR, PQ=y+8 and QS = 4y-7. Find PQ. Also... In rectangle ABCD,AB=x+15, BC=x-8, and CD=2x+3. Find: 1)x. 2)AB 3)BC Thanks!
*March 5, 2010*

**chemistry**

When one pound of gasoline (made up of compounds of hydrogen and carbon) is burned in an automobile approximately 3 pounds of carbon dioxide, CO2, is given off. Carbon dioxide is one of the gases contributing to global warming. What information from this experiment helps ...
*March 3, 2010*

**Math**

5 didnt
*March 3, 2010*

**Chemistry**

Can someone explain hybrid structures and resonance structures.
*March 2, 2010*

**French**

I really do not know how to unscramble these two french olympic winter game words. They are: NDIIMOCORBQUENE and UPSOCEETRTI. Could you please help me?
*March 2, 2010*

**math **

in a balloon race,the sum of the distances covered by two of the balloons was 1,025 miles.if the distance covered by the first balloon was 50 miles more than 1/2 of that covered by the second balloon,how far did each travel?
*March 1, 2010*

**math**

at the town waterworks,2 large pumps and 4 smaller ones delivered 4,800 gallons of water a minute.each of the large pumps delivered 4 times as much water as each small pump.how many gallons per minute did each pump deliver?
*March 1, 2010*

**math**

a man paid $8.50 for a small pump and 8 feet of tubing.he paid 12 times as much for the pump as for each foot of tubing.how much did the pump cost? the tubing?
*March 1, 2010*

**Physics**

An electron moving to the right at 3.0% the speed of light enters a uniform electric field parallel to its direction of motion. If the electron is to be brought to rest in the space of 4.5 cm, determine the following. What direction is required for the electric field? What is ...
*March 1, 2010*

**5th grade science**

How might the history of the US be different if the first European settlements had occurred on the west coast instead of the east coast?
*February 25, 2010*

**Chemistry**

in this experiment you are you will begin by preparing a dilute soultion of sodium hydroxide by taking 50 ml of 3 M NaOh stock solution and diluting it with 250 ml of water. i found that and the answer was .5 but how do i do this b. calculate the number of moles and grams of ...
*February 23, 2010*

**Global History**

Thanks, Ms. Sue!
*February 23, 2010*

**Global History**

So, in this way, the British became imperialistic over Ireland? The British supressed Ireland's rebellions only to keep making the Irish export wheat and Barley?
*February 23, 2010*

**Global History**

How does the English government's attitude toward the Irish during the Irish famine in the late 1840's reflect the motivations for imperialism?
*February 23, 2010*

**chemistry**

I believe it comes out to CaSO4 x 2H20 20.9% 2:1 ratio I think haha
*February 19, 2010*

**Chemistry**

oh and thank you guys
*February 17, 2010*

**Chemistry**

nvm its -545. not quite sure why its exothermic
*February 17, 2010*

**Chemistry**

i get 545 but i'm not getting the right answer
*February 17, 2010*

**Chemistry**

btw, i meant to write 11.9C not 119. i work it like this: 200ml(1g/ml)(4.184J/C)(11.9C) then divide by (40.078g/mol/.732g) i get the wrong answer though
*February 17, 2010*

**Chemistry**

What is the molar heat of reaction? When 0.732 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 119C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay ...
*February 17, 2010*

**chemistry**

Looking up the specifications of an oil online, the spec sheet indicates that the specific gravity of this oil is .93. Does this mean that the oil weights .93 grams / 1 cubic centimeter of oil? Thanks
*February 16, 2010*

**11th grade**

Why is square root of x squared = absolute x? Is it because absolute x = -x and x?
*February 15, 2010*

**geography**

how come 10% of the land could be used to grow crops on ancient china
*February 11, 2010*

**Physics 2**

A cyllindrical copper cable carries a current of 1200 A. There is a potential difference of 1.6×10−2 V between two points on the cable that are 0.24 m apart. What is the radius of the cable?
*February 11, 2010*

**Physics 2**

The heating element of a clothes dryer has a resistance of 11 and is connnected to a 240-V electrical outlet. What is the current in the heating element? If the clothes dryer is run for 5 minutes, how much energy has been delivered to its heating element?
*February 11, 2010*

**Maths**

Width= 12cm because Length= 17cm 12+12+17+17= 58
*February 9, 2010*

**math**

suppose c is a subset of d and d is a subset of c. if n(c) = 5, find n (d).
*February 8, 2010*

**English 101**

Arriving at Lake Powell in a thunderstorms the campers found it safer to remain in their cars that setting up their tents.
*February 8, 2010*

**att DR BOB**

let me rephrase my question. A Mole of ethyl alcohol weights 46g.How many grams of ethyl alcohol are needed to produce 1 L of a 2 milimolar solution? I know the answer is 0.092g but I dont know how to derive it
*February 7, 2010*

**chemistry**

how many grams of ethyl alcohol are needed to produce 1 L of a 2 mM solution if 1 mole =46g of ethyl alcohol. how do you calculate?
*February 7, 2010*

**Calculus II**

How does one obtain cos2x = cos^2(x) - sin^2(x) by differentiating the identity sin2x = 2sinxcosx
*February 6, 2010*

**Computer Applications-87**

how is word used to create the componenet of a research paper
*February 5, 2010*

**Algebra**

3(a+2)=4a
*February 5, 2010*

**science**

what happens to the population of butterflies after a predator comes through? answer must include the words, gene and natural selection
*February 4, 2010*

**science**

what happens to butterflies after a predator come through include the word gene and natural selection
*February 4, 2010*

**math**

Suppose you have a friend named Ed. He and his four friends are having ice cream. There are only three flavors available at the ice cream store they are visiting: chocolate, vanilla, and strawberry. One of Ed’s friends, Stacey, eats chocolate exclusively. How many ...
*February 3, 2010*

**math**

what is the ratio of 1/2 to 1/4?
*February 3, 2010*

**math **

whats the ratio of 6 to 9?
*February 3, 2010*

**math**

the ratio of the consumption of gas to new york one year to that in chicago was 7/4.if 120 billion cubic feet wereconsumed in chicago,what was the consumption in new york?
*February 3, 2010*

**math**

the ratio of the consumption of gas to new york one year to that in chicago was 7 if 120 billion cubic feet were - 4 . consumed in chicago,what was the consumption in new york?
*February 3, 2010*

**MATH**

two boys weigh 120 pounds.what is the ratio of the weight of the first to that of the second?
*February 3, 2010*

**math**

find the ratio of 4 2 2 3 - x to - x of - ab 5 5 , 4 to 1 1 1 - ac of 2- to 7- of .7m to .8m, of 2 , 2 2, 2 2 2 ( x -y ) to (x-y) .
*February 3, 2010*

**math **

what is the ratio of 1 1 of 1 - to - - to 2 4?, 2 1 2 3 - - to- 3?,of 3 4?
*February 3, 2010*

**math **

what is the ratio of 1 1 of 1 - to - - to 2 4?, 2 1 2 3 - - to- 3?,of 3 4?
*February 3, 2010*

**math**

express it its lowest terms the ratio of 6 to 9:of 12x to 16y:of am to bm:of 20ab to 10bc: of m+n to 2 2 m -n.
*February 3, 2010*

**math**

a heavy freight train made a trip of 360 miles, running part of the distance at 54 miles an hour and the rest at 48 miles an hour.if the entire trip took 7 hours,find the distance traveled at each rate.
*February 3, 2010*

**Chemistry**

Idk my teacher gave me this question for homework and i had no idea how to do this. But this has to do with molarity and stoichiometrty if that helps
*February 2, 2010*

**Chemistry**

50 mL of 1M silver Nitrate is combined with 25 mL of 2 M potassium Chloride. What is the concentration of a resulting solution
*February 2, 2010*

**math**

They multiply by dividing
*February 2, 2010*

**ethics**

the difference between psychological and ethical egoism?
*January 31, 2010*

**math**

a group of friends shared the expenses of an automobile trip,which cost $40.if there had been 3 more people in the group.each would have $3 less.how many people were there in the group and how much did each pay?
*January 28, 2010*

**economics**

are there hidden environmental and social costs
*January 26, 2010*

**math**

find the worlds production of nickel in a year when russia and new caledonia together produced 1/3 of it,canada 1/6 of it,and australia 1/9 of it, and the rest of the world 420,000 tons
*January 24, 2010*

**math**

find the worlds production of nickel in a year when russia and new caledonia together produced 1/3 of it,canada 1/6 of it,and australia 1/9 of it, and the rest of the world 420,000 tons.
*January 24, 2010*

**math**

find the worlds production of nickel in a year when russia and new caledonia together produced 1/3 of it,canada 1/6 of it,and australia 1/9 of it, and the rest of the world 420,000 tons.
*January 24, 2010*

**e**

This is true, but how does picking out something for someone become moral vs immoral? if they ask me to pick it out for them and i pick something that makes them look bad am i being immoral because i knew that they wouldn't look good? Are they being immoral for asking me ...
*January 23, 2010*

**ethics**

i believe that depending on the person that these could be either moral or immoral.
*January 23, 2010*

**ethics**

Thanks for the info. I still can't separate the two. Any examples you could give? If someone asked me to pick out something would that be a moral issue or immoral issue? I'm so confused
*January 23, 2010*

**ethics**

what is the difference between a moral and immmoral issue?
*January 23, 2010*

**Science**

l'm sorry l have another question about watersheds >< What can we do to protect the water where you live?
*January 20, 2010*

**Science**

What are watersheds and why should they be protected? What could you do to protect watersheds? I'm supposed to find sthe answer to this, but my textbook doesn't say anything about why it's useful to humans... the only thing that it tells me is that it's an area...
*January 20, 2010*

**math**

In a particular house,the bedrooms take up 1/3 of the total floor area, and the living room takes up another 1/5.If the rest of the house has an area of 700 square feet,find the area of the living room and area devoted to bedrooms.
*January 20, 2010*

**algebra**

In a particular house,the bedrooms take up 1/3 of the total floor area, and the living room takes up another 1/5.If the rest of the house has an area of 700 square feet,find the area of the living room and area devoted to bedrooms.
*January 20, 2010*

**5th grade**

use the following set of numbers to find different landmarks : 42,16,37,42,16,42,51
*January 19, 2010*

**8th grade**

What happens when the kinf of beasts runs in front of a train
*January 14, 2010*

**Algebra**

Solve 2xy + 4
*January 13, 2010*

**english**

Marie found it hard to choose between the seventeen books on the life of Emily Dickinson. "If there were less books it would be an easier choice," she said.
*January 13, 2010*

**accounting ethics**

n what circumstances would each approach to stakeholder impact analysis (moral standards, five-question, and Pastin’s approach) be most useful? Summarize the approaches and describe when each would be most or least useful.
*January 13, 2010*

**OCHEM**

Pg 201 of techniques under the subtitle "Poor Separation of a Mixture" should answer #2 for you.
*December 22, 2009*

**Advanced Math**

thanks for you help and especially explanation
*December 22, 2009*

**Advanced Math**

log10x + log10(x+1)=1 In other words log base 10 + log base 10(x+1)=1 I need to show it algebraically not using calculator Thanks a lot !
*December 22, 2009*

**Math**

The area of a room is 200,000 cm2. How many square meters is that
*December 14, 2009*

**science**

give an example of how metallic bonding allows metals to conduct electric current.
*December 13, 2009*

**LA new**

identify partciple and word participle that it modifies 1)TAKEN for Granted by most of us, paper is an seesantial part of our lives 2)The PAPER Used today has developed over many centuries 8)Modern paper, however,started with a chineses INVENTOR Serving emperor he di 9)The ...
*December 10, 2009*

**LA cont**

underline infinitive and write how its used
*December 10, 2009*

**LA cont**

5)The class approved the decision to offer tutoring services to YOUNGER children:adverb 6)Kara's plan is to take a trip to AUSTRALIA next year:adverb
*December 10, 2009*

**lA cont.**

identify Gerund and gerund phrase write how its used:S for subject PN for predicate nomitave DO for direct object or OP object of a prepsition CHEERING THE TEAM gave me a sore thorat: S Joanna's mother enjoys PRESERVING FRUITS AND VEGETABLES:DO We stopped him from TELLING ...
*December 10, 2009*

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