Saturday

August 30, 2014

August 30, 2014

Total # Posts: 185

**Chem Help**

what could be the advantage of carrying out a distillation under vacuum as compared to atmospheric pressure? thank you!
*August 28, 2014*

**health**

People who smoke any kind of cigarette are at _________ of developing lung cancer than people who do not smoke.
*July 28, 2014*

**Economics **

Some people would prefer a single income tax rate because it? A) would increase the government’s revenue. B) is easier to calculate. C) would reduce the percent of income poorer families pay in income taxes. D)means everyone would pay the same income percentage in taxes.
*May 22, 2014*

**Economics**

The strongest argument to favor government regulation of cell phone service grids is that A. there are too many cell phone service towers B. the government could provide better cell phone service C. in some metropolitan areas there are too many choices fro cell phone providers...
*May 22, 2014*

**Economics **

Mixed economies A. have a standard set of government laws B. vary widely in the level of government regulations C. limit trade to only other countries with mixed economies. D. depend on international organizations for guidance and direction
*May 22, 2014*

**Economics**

A decision making model is more beneficial than simple comparing costs and benefits because A. the decision making model encourages you to consider multiple options. B. a costs and benefits analysis encourages you to consider multiple options. C. the costs and benefits ...
*May 21, 2014*

**social studies **

HELP PLEASE how do the monarchies throughout Arabia and Iraq most differ from one another? a- they have different constitutions. b- they have different elections processes. c- some have absolute power, and some have limited power. d- some are family dynasties, and some are ...
*April 28, 2014*

**math**

Jayden wants to be a fast runner like his big brother, Isaac. Isaac encourages Jayden to do a “30 for 30” challenge. This would require Jayden to spend 30 minutes outside every day for 30 days doing some type of physical activity. In return, Isaac promises to do ...
*March 24, 2014*

**Science**

I think it's limiting factors but I'm not sure..
*March 19, 2014*

**Science**

If changing conditions lead to decreased oxygen levels in the stream, the carrying capacity of the stream for the trout will decrease. Oxygen level in water is therefore a(n) _____________ with respect to the number of trout that a particular stream can support.
*March 19, 2014*

**Algebra, URGENT!!!**

1) The first leg of a right triangle is 6 cm longer than its second leg. If the hypotenuse has a length of 8 cm, find the exact lengths of the two legs. First Leg: Second Leg: 2) The length of a rectangle is 10 m longer than its width and the area of the rectangle is 480 m2. ...
*November 20, 2013*

**Trig**

a child puts beads on one spoke of a bicycle wheel. the tire has a diameter of 2ft. if the child rides so that the tire makes one full rotation every 15 sec, and the beads begin in the horizontal outward position, find an equation that models the position of the beads at time t.
*October 7, 2013*

**U.S history**

thank you so much for your help
*September 26, 2013*

**U.S history**

does anyone know any topic ideas for the turning point in america (1600s-1900s).PLZ I need help its a research title and i have no idea what to write about.
*September 26, 2013*

**math**

two step equations i dont understand
*September 18, 2013*

**Math**

if cosx equals square root 3 over 2, find sinx
*May 12, 2013*

**Telisis Prep**

The base of a rectangle is 6 inches greater than twice the height. The perimeter is 78 inches. Find the area.
*April 27, 2013*

**Math**

Thanks!
*January 7, 2013*

**Math**

What is the definition of Matrix?
*January 7, 2013*

**Mathematics**

3.7/2.4=y/8.2 multiply both sides by 8.2. 3.7/2.4*8.2=y (1.5416)(8.2)=y y=12.64
*November 21, 2012*

**Math**

442 people
*November 21, 2012*

**Mathematics**

48 parts
*November 21, 2012*

**AP CHEMISTRY**

Write a balanced equation for the neutralization of each of the following: H2SO4(aq) and NaOH(aq) HCl(aq) and Fe(OH)3(s) H2CO3(aq) and Mg(OH)2(s)
*November 15, 2012*

**math**

617.7778 degrees C the answer is B
*November 7, 2012*

**Physical Science Help, PLEASE!**

A marine weather station reports that waves along the shore at 10 seconds apart. The frequency of the waves is?
*November 7, 2012*

**Chemistry**

Am I doing this right? mol NaHCO3 = grams/molar mass = 1/85 = 0.0117647059*3=0.0352941176 mols citric acid = g/molar mass = 1/316 = .003164557*3=0.009493671 So, the second one is correct and is the limiting reactant. 0.009493671 mols CO2 x 44 CO2 = 0.417721524 = .42 grams CO2...
*November 7, 2012*

**Chemistry**

I am stuggling with my chemistry experiment. I am given thr following: The reaction of citric acid and sodium bicarbonate is written as H3C6H5O7(aq) + 3NaHCO3(aq) --> Na3C6H5O7(aq) + 3H2O(l) + 3CO2(g) 1.) Mass of cup A, water, and stirrer = 54.3 g 2.) Mass of sodium ...
*November 7, 2012*

**Chemistry**

Consider the following reaction. 2 HCl(aq) + Ba(OH)2(aq) BaCl2(aq) + 2 H2O(l) ΔH = -118 kJ Calculate the heat when 103.6 mL of 0.500 M HCl is mixed with 300.0 mL of 0.550 M Ba(OH)2. Assuming that the temperature of both solutions was initially 25.0°C and that the ...
*October 22, 2012*

**Let f(x)=11/x+7 with the domain [-2,3]. Find the d**

Let f(x)=11/x+7 with the domain [-2,3]. Find the domain of f^-1.
*October 12, 2012*

**Trig**

Let f and g be two invertible functions such that f^-1(x)=5/x+4 and g(x)=4(x-2). Find f(g(5)). Show your steps please so I can see how to do it. Thank you! :)
*October 12, 2012*

**math**

Find a. fog b. gof c. fof d. gog f(x)=4-x g(x)=3x-5
*October 9, 2012*

**Math**

Jana took her 3 year old niece out for breakfast. The restaurant they went to was having a special where children under 4 received half off of their meal with the purchase of a regular priced meal. Drinks were not included in the special. If Jana’s meal was $10, her niece...
*October 4, 2012*

**Math**

How do i draw and label the demensions of all the rectangles you can make using the number of tiles equal to the number 14 on a grid paper?
*October 4, 2012*

**government**

Why is it fitting that Franklin D. Roosevelt formed the Executive office of president?
*August 29, 2012*

**Chemistry**

If 50.0 mL of methane gas at 75.5 degrees C is cooled to 5.45 degrees C, what would be its new volume?
*July 18, 2012*

**English **

I desperately need examples and quotes of land imagery from the play A Man For All Seasons by Robert Bolt. Please.
*June 5, 2012*

**Science**

so boundaries and rift valleys?
*May 20, 2012*

**Science**

Where can we see the result of plate movement?
*May 20, 2012*

**voc.**

that works..thanks
*May 17, 2012*

**voc.**

to be carried by a carriage or on horseback 4 letters
*May 17, 2012*

**Algebra**

If the side of a square are lengthened by 7cm, the area becomes 225cm^2. Please help me find the length of the original side! Thank you
*May 5, 2012*

**Algebra genius?**

Yikes, so K=0 and y=6? Help please..
*May 5, 2012*

**Algebra**

Thank you sir.
*May 4, 2012*

**English**

Can anyone tell me where in King Lear does GLoucester find out that Edmund made up the lies about Edgar? Would be greatly appriciated.
*May 2, 2012*

**English**

I have to write an essay due tomorrow about King Lear (which I haven't read), specifically about Gloucester and how he's a more tragic hero than Lear because he suffers more and dies wiser. I'm desperate, someone please help.
*April 30, 2012*

**chemistry**

Draw the titration curve of H2C6H6O6 (ascorbic acid, diprotic) titrated with NaOH.
*March 14, 2012*

**chemistry**

if not all the magnesium reacts, will the reported magnesium to oxigen ratio be too high or too low?
*February 12, 2012*

**phiscal science semester 2**

For the reaction C2H6+O2>CO2+H2O what are the coefficient to the chemical substance it goes with for balanced reactions?
*November 28, 2011*

**Science**

Do you have an example or format for a science project literary review?
*November 12, 2011*

**chemistry**

what is delta H for the formation of 12.9 g of Aluminum Oxide with 2 aluminum oxides as the reactant
*October 29, 2011*

**math**

how can i estimate in the first step of solving a division problem
*October 24, 2011*

**Math**

1 across and 16 down
*April 13, 2011*

**math**

810
*March 31, 2011*

**4th grade**

What is the answer if you have a nail NOT a FINGERNAIL butt A NAIL? What is the nearest cm and what is the neartest mm
*March 22, 2011*

**Complete predicates and subjects**

Complete subjects and predicates - Bailey, Monday, March 14, 2011 at 9:52pm Ms. Sue, would crustaceans be the Complete Sub and the rest of the sentence be the complete predicate? If a sentence has the verb are, can that be a complete predicate as well?
*March 14, 2011*

**Complete subjects and predicates**

Ms. Sue, would crustaceans be the Complete Sub and the rest of the sentence be the complete predicate? If a sentence has the verb are, can that be a complete predicate as well?
*March 14, 2011*

**Complete subjects and predicates**

what is the complete subject and complete predicate to : These crustaceans wait for feeding time at high tide.
*March 14, 2011*

**Math**

A cone and a square based pyramid have slant heights of 6 inches . The diameter for the cone and the base edge of the pyramid are both 8 inches. How would I find which space figure has the greater surface area
*February 24, 2011*

**Physics- Algebra based**

A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.10 m/s and her body makes an angle of 80.0° with respect to the horizontal surface of the water. Determine her initial velocity, both magnitude ...
*February 5, 2011*

**science**

I'm having trouble with this homework question, I don't really trust sites like these but I don't have any other choice, so here it goes: The sound of speed in water(25 degrees Celsius) is traveling at 1,500m/s. How far can sound travel in water in 2.5 seconds if ...
*February 1, 2011*

**Pre-Algebra**

The rules for multipying and dividing both sides of an inequality do not mention zero. Explain why ???
*January 5, 2011*

**algebra**

What does x represent in this question 3x+-5=2x-12
*December 10, 2010*

**physics**

An 70.0 N box of clothes is pulled 24.0 m up a 30.0° ramp by a force of 115 N that points along the ramp. If the coefficient of kinetic friction between the box and ramp is 0.22, calculate the change in the box's kinetic energy.
*December 2, 2010*

**physics**

A 85.0 N grocery cart is pushed 13.0 m along an aisle by a shopper who exerts a constant horizontal force of 40.0 N. If all frictional forces are neglected and the cart starts from rest, what is the grocery cart's final speed
*December 2, 2010*

**4th grade math**

You have a nail not a finger nail but a nail what is the nearest cm and the nearest mm
*November 22, 2010*

**Spanish**

1. Si, me gusta estudias 2.patineta es mejor en el verano debido a su cálida- Skateboarding is better in the summer because it is warm
*November 3, 2010*

**Math**

I need help the paper is due tomorrow!
*November 3, 2010*

**Math**

how do I multiply 3.0 by .25?
*November 3, 2010*

**physics**

65.0-kg person throws a .045kg snowball forward with a ground speed of 30.0 m/s. a second person with a mass of 60.0-kg catches the snowball. both people are on skates. the first person is intially moving forward wit ha speed of 2.50 m/s and the second person is initially at ...
*November 2, 2010*

**6th grade math**

Simple. There are 3/6 in 1/2 and 6 1/6 in 1 whole
*October 27, 2010*

**religion**

Why was religion a conflict between Israel and Palestine?
*October 11, 2010*

**History**

I know that but that doesn't answer my question. Thanks anyways.
*October 3, 2010*

**History**

No they were dealing with there colonies for something that they did. They wanted them to pay for the Tea Party. But I dont know why them treated them Harshly. Thanks anyways.
*October 3, 2010*

**History**

More harshly than all the other taxes and other things that Britain did to the colonies before the revolutionary war
*October 3, 2010*

**History**

I know that but why did they react more harshly?
*October 3, 2010*

**History**

Why did Britain react so differently and harshly after the boston tea party?
*October 3, 2010*

**Math**

An inheritance of $40,000 is invested in two municipal bonds which pay 6% and 7% simple annual interest. If the annual interest from both bonds is $2,550 how much is invested at each rate?
*September 23, 2010*

**Math**

Round off the answers to two decimal places. 535.71428571428 and 468. 75
*September 22, 2010*

**English**

What is overcoming problems an integral part of life?
*August 31, 2010*

**Math**

So if you do 60/3 you get 20. It's asking for three consecutive even integers whose sum is 60. If you get 20 the next one's would be 22 and 24 and that's 64? I'm confused
*August 27, 2010*

**Math**

Find three consecutive even integers whose sum is 60.
*August 27, 2010*

**Algebra**

Thank you very much...
*August 3, 2010*

**Algebra**

Find the LCM 35b^4c^5,7b^4c^4,10b^9c^3 Would the answer be 70?
*August 3, 2010*

**Math**

okay so I found the common denominator to be 42. So I think now I do 7t/42-3t/42=1/6.. is that right?
*August 3, 2010*

**9th grade**

i would like help understanding graphing quadratic functions? the steps for y=-x2-2x-2
*April 26, 2010*

**English**

This is set up for my interview class and I just need some help .. please and thank you. You are encountered with a guest who is upset and clearly has a complaint.. what do you do? & You see a co-worker receiving food without paying for it.. what do you do?
*April 20, 2010*

**another physics problem that i dont understnad..**

An 70.0 N box of clothes is pulled 24.0 m up a 30.0° ramp by a force of 115 N that points along the ramp. If the coefficient of kinetic friction between the box and ramp is 0.22, calculate the change in the box's kinetic energy.
*April 15, 2010*

**6th grade**

12d - 9 = 15d + 9
*April 13, 2010*

**algebra 2**

what is X???
*April 4, 2010*

**algebra 2**

I thought you would do guess and check but i have no idea
*April 4, 2010*

**algebra 2**

5^2x=3
*April 4, 2010*

**computers**

How does a computers benefit from having all in one computer security systems installed?
*March 14, 2010*

**Trigonometry**

I can't remember what formula to use for these. Note- the X's may be replaced by a theta symbol. I just didnt have one on my keyboard. Use the given information to find sin2X, cos2X and tan2X if 0< X <pi/2 1. sinX=12/13 2. cosX=3/5 3. tanX=2/3
*January 11, 2010*

**Science**

What kinds of animal cells might have a lot mitochondria present?
*January 7, 2010*

**math**

589
*December 4, 2009*

**san jac**

Who claimed that our subjection to pain and pleasure should be the foundation for our laws?
*November 18, 2009*

**math**

DO THE NUMBERS HAVE TO BE DIFFERENT??? BAILEY
*October 20, 2009*

**math**

OK thank you!!! Bailey :)
*October 20, 2009*

**math**

compare these decimals by choosing greater then, less then, or equal to. 0.205 and 0.21 0.04 and 0.050 0.41 and 0.405 0.1 and 0.1000 Thank you, BAILEY
*October 20, 2009*

**elementary social studies**

natural,capital and human resources are called the factors if what?
*October 6, 2009*