Tuesday

April 28, 2015

April 28, 2015

Total # Posts: 68

**Chemistry 11 grade -**

Hydrogen gas was collected in a gas-collecting bottle with a volume of 30.0 mL by water displacement on a day where the temperature was 24ºC and the barometric pressure was 98.125 kPa. The vapour pressure of water at 24ºC is 2.99 kPa. What would be the volume of ...
*April 15, 2015*

**Math**

Yeah it does
*December 11, 2014*

**Math**

Yes I do I don't get it
*December 11, 2014*

**Math **

Sandy is buying t-shirts for her school's club. Company A charges 5.80 per shirt with no set up fee. Company B charges 5.75 per shirt plus a $35 set up fee
*December 11, 2014*

**Math**

The temperature increased 56 in 4 hours , what was the change in temperature per hour
*December 11, 2014*

**Math **

Malik is 10 years less than half his mothers age. I Malik is 12 years old, how old is his mother
*December 11, 2014*

**Math **

The perimeter of a rectangle is 60cm. It's length is 6cm. What is its width?
*December 11, 2014*

**math**

Gghh
*October 7, 2014*

**math**

Gghh
*October 7, 2014*

**physics**

An athlete runs from one end to the other end of a semicircular track whose radius is 70m. What is the total distance covered by the athlete and what is his displacement?
*June 26, 2014*

**science..physics**

An athlete runs from one end to the other end of a semicircular track whose radius is 70m.what is the total distance covered by the athlete and what is his displacement?
*June 26, 2014*

**science**

What are psychoanalytical models? How have these models been used to explain human behavior? Which model do you feel is the most effective in explaining human behavior? Why?
*April 17, 2014*

**psy/310**

What are psychoanalytical models? How have these models been used to explain human behavior? Which model do you feel is the most effective in explaining human behavior? Why?
*April 16, 2014*

**math help!**

help ASAP PLEASEE!
*March 19, 2014*

**math help!**

f(x) is a quadratic function such that f(1) = 3 and f(5) = 3. Find the x coordinate of the vertex of the graph of f.
*March 19, 2014*

**math**

Katepoured 8 ounces of juice of a 64 ounce bottle Brian poor 60 ounces of juice from a 128 ounces bottle what ratio of juice is missing from each bottle of the ratios proportional
*January 29, 2014*

**chemistry**

¹14 is 1.42e9, 2.36e-10 ¹15 is 7.23e-11, 2.48e-11 ¹16 is 6.89 ¹20 is structure A, decrease, increase Zm is wrong ¹29 is branched structure, branched structure, Linear, because the branches can become more entangled than the linear chain.
*December 19, 2013*

**chemistry**

9a is LiF
*December 19, 2013*

**math**

the lenght of a rectangular room is 6 feet longer than twice the width. If the room's perimeter is 132 feet, what are the room's dimensions?
*October 22, 2013*

**Physics**

A ball is thrown horizontally fron the roof of a building 7.5 tall and lands 9.5m from the base. What was the balls initial speed?
*September 17, 2013*

**Math**

Find the perimeter of KRN if K(2,9), R(-5,3), and N(0,-7). round to the nearest tenth.
*August 27, 2013*

**Physical science**

Find the acceleration of a hamster when it increases its velocity from rest to 10 in 2.4
*June 11, 2013*

**eco**

2. It has been estimated that the price elasticity of demand for attending baseball games is 0.23. Other things held constant, a 10 percent increase in attendance can be explained by a: A. 43.48 percent fall in the price of a ticket. B. 43.48 percent rise in the price of a ...
*March 10, 2013*

**economics**

1. If average movie attendance is 250 million when prices are $7 a ticket and 200 million when prices are $9 a ticket, the elasticity of demand for movie tickets is about: A. 0.0. B. 0.9. C. 1.1. D. 1.8.
*March 10, 2013*

**Biology**

population
*March 6, 2013*

**math**

show 2 ways of using the distributive property to find the product of 125 times 32
*January 18, 2013*

**Chemistry**

V1/T1=V2/T2 75+273.15=348.15 -25+273.15=248.15 822/348.15=v2/248.15=586 No, it is not correct because your final answer cannot be a negative answer. :)
*January 1, 2013*

**math**

There are 10 cups of punch left in the punch bowl. Each glass holds 2/3 of a cup.how many glasses can you fill?
*December 13, 2012*

**wilson school**

the flag that nico waves has an odd number in the one place and an even number in the tens place
*November 26, 2012*

**Math**

if $15,000 is invested at 6%, compounded quarterly, how long will it be before it grows to $25,000?
*June 28, 2012*

**information literacy**

Which of the following sets of Library of Congress call numbers is in the correct order? A. PA 203 .B252 1971, P201 .A251 1977, PE205 .C253 1954, PH202 .H255 1965 B. P201 .A251 1977, PA 203 .B252 1971, PE205 .C253 1954, PH202 .H255 1965 C. PE205 .C253 1954, PH202 .H255 1965, ...
*June 22, 2012*

**information literacy**

3. Which of the following sets of Library of Congress call numbers is in the correct order? A. E88 G62 L166 1995, E88 G62 L45, E88 G62 D225, E88 G2512 S57 1998 B. E88 G2512 S57 1998, E88 G62 D225, E88 G62 L45, E88 G62 L166 1995 C. E88 G2512 S57 1998, E88 G62 D225, E88 G62 L166...
*June 21, 2012*

**math**

A student says that a 98% angle has a complement Explain why this is incorrect?
*March 14, 2012*

**chemistry - science**

calculate molarity of NaOHin the solution prepared by dissolving its 4g in enough water to form 250ml of this solution ?
*February 17, 2012*

**high school**

(x^2y^3/2z)^4
*September 11, 2011*

**geometry**

Ab=5 what's the reason ? Ch 2.6 segment proofs
*September 8, 2011*

**Math**

Iam re-posting the following questions and would appreciate if anyone could show the working. 1]Find lim sinx/2x x-->0 2]lim 3x^2-4x/7 x-->0
*August 22, 2011*

**Math**

Thank you- drwls!!!
*August 22, 2011*

**Math**

Please help me with the two given questions. 1] find lim 3x^2-4x/7 x-->0 2] lim sinx/2x x-->0
*August 22, 2011*

**math**

Can anyone please help me with the following question: Prove by mathematical induction that 6^n + 4 is a multiple of 5, for nEN.
*August 22, 2011*

**life orientation **

in 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community
*April 18, 2011*

**French**

How would you say Ash Wednesday and Easter in French? My French teacher said it today, but I just can't recall what it was now...
*March 9, 2011*

**Chemistry**

The gaseous product of a reaction is collected in a 25 L container at 27 degrees Celsius. The pressure in a container is 300 kPa and the gas has a mass of 96 g. What is the formula mass of the gas?
*February 23, 2011*

**physics**

A system of pulleys is used to lift an elevator carrying a 3,300 newton load. assuming the pulley system is friction free, approximately how far would 10,000 joules of energy lift the elevator?
*February 22, 2011*

**Physics**

A hot-air balloon is rising vertically at a speed of 10 m s–1. An object is released from the balloon. The graph shows how the velocity of the object varies with time from when it leaves the balloon to when it reaches the ground four seconds later. It is assumed that the ...
*February 16, 2011*

**Physics**

A braking system is used to prevent the car travelling faster than 27 m s–1.The car and passengers shown in the diagram have a total mass of 750 kg. The length of track from P to Q is 80 m. Calculate the average braking force that would be required if the speed of the car...
*February 16, 2011*

**Calc.**

Solve the initial value problem explicity: y'= 5xe^(-y), y(1)=1
*February 2, 2011*

**Calculus**

Solve the following initial value problem explicitly: y'= ye^-x , y(0)=1 How do you solve this problem? I'm really confused!
*February 2, 2011*

**Calculus**

Ba has a half-life of 283.2 hours. How long would it take for the 50 mg of Ba in a sample to decay to 1.0 mg?
*February 2, 2011*

**Physics**

The work done against a force F(r) in moving an object from r = r1 to r = r2 is integral F(r) dr limits R2 at top and r1 at bottom. The gravitational attraction between two masses m1 and m2 at distance d is given be F=GMM/d2, G = 6.67 x 10-11. Find the work done in lifting a ...
*January 12, 2011*

**Mathematics**

You can either do your own yard work or you can pay someone to do it for you. You find that it takes you about 50 minutes to clip, mow, and otherwise clean up your yard each time you do it. You do it four times each month. Also, once a month you need to maintain the lawn ...
*September 7, 2010*

**Math**

Time and money are always significant. Look at this scenario. You can either do your own yard work or you can pay someone to do it for you. You find that it takes you about 50 minutes to clip, mow, and otherwise clean up your yard each time you do it. You do it four times each...
*September 7, 2010*

**English**

Why is mr krabs caring about money than caring about the children?
*January 27, 2010*

**math**

what is the maximum possible nuber of intersection beetween an equalateral triangl and a circle in the same plne?
*May 7, 2009*

**ecology**

true or false, the temp. varies greatly throughout the year in a tropical rain forest?
*October 29, 2008*

**ecology**

true or false, the temp. varies greatly throughout the year in a tropical rain forest?
*October 29, 2008*

**biology**

What phrase does the polypeptide spell? There appears to be some letters missing from the phrase
*October 29, 2008*

**11 grade world history**

what leisure activities flourished at the turnof the 20th century
*October 19, 2008*

**English- Debating**

We have a debate about "That if we buy New Zealand made, we've got it made". we are negating this topic but don't know what to talk about. please help !! thanks
*April 28, 2008*

**Algebra 2**

I have the same question. For what value is this equation undefined? and Do the answers to sections a-d match your expectations? why or why not? I'm confused on how to answer this. Please help anyone! Thank you!
*April 4, 2008*

**Chem Help!**

I really need help for my homework on balancing equations please show all the work including the coeffients if needed. I need help with 3 questions, 1) NaN3 -> Na + N2 2) NO2 + O2 -> NO + 03 3) LiOH + CO2 -> Li2CO3 + H2O
*March 15, 2008*

**social studies**

the egyptians stuffed the nostrils with beeswax durig the mummification process
*January 28, 2008*

**Science**

Make a hypothesis about how spacecraft that travel throughthe solar system obtain the energythey need to operate?
*October 25, 2007*

**Pre-Algebra**

help me calculate this - my 6th grade nephew has this question for homework and I'm at a loss. The combined age of 2 people is 91. Person A is two times as old as Person B was when Person A was as old as Person B is now.
*October 1, 2007*

**Climate Change**

In a Business 'As usual senario,' global CO2 emissions reach 64 GtCO2 y -1 by 2050. Convert this figure to GtC y-1, and calculate the percentage increase from the level of global CO2 emissions in 2004, estimated as 8.8 GtC y-1. Lets see... carbon is what percent of CO2...
*June 13, 2007*

**English**

Dangling Modifiers
*May 2, 2007*

**Health Project Ideas**

do it on phobias..its unique
*February 6, 2007*

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