Monday

March 30, 2015

March 30, 2015

Total # Posts: 958

**chemistry**

Ammonia acts as a base in aqueous solution; Kb is equal to 1.8 x 10-5. What is the Ka for the ammonium ion NH4+ in aqueous solution?
*October 31, 2008*

**world history**

Where could I find resourses on information relating the intellectual transformations of the axial age to the political developments
*October 22, 2008*

**English**

just tell what the peragraph is about... like in a few sentences...
*October 20, 2008*

**Science**

Why are water storage tanks usually built on the top of hills?
*October 20, 2008*

**algebra**

you take your x value - 2 and then you will get your y value ok lets say that x=32... y=30 cause you take y=32(x)- 2 = 30 y=30
*October 20, 2008*

**physics**

i know but i have the KE and i have the mass but i have to find the speed and i dont know how to do that with the power of 2 and the 1/2
*October 20, 2008*

**physics**

Missy Diwater, the former platform diver for the Ringling Brother's Circus had a kinetic energy of 15000 J just prior to hitting the bucket of what. If Missy's mass is 50 kg, then what is her speed?
*October 20, 2008*

**Math**

linear
*October 20, 2008*

**Math- brain teasers!**

13 cats
*October 19, 2008*

**4th grade Language Arts**

I need to know an example of a metaphor. We need to make a metaphor out of this sentence "Pablo sniffed the air."
*October 14, 2008*

**Math**

Thank you!
*October 12, 2008*

**Math**

How would you go about solving this problem? A 2000 L tank containing 550 L of water is being filled with water at the rate of 75 L per minute from a full 1600 L tank. How long will it be before the two tanks have the same amount of water?
*October 12, 2008*

**5th grade math**

i need help lol im in collge and helpingout 5th grade ll help me please?
*October 10, 2008*

**Science**

i ment there
*October 9, 2008*

**Science**

ya if you go to google and type the elements names it should be good
*October 9, 2008*

**Algebra**

p=2a+2b solve for b b=p-2a/2b
*September 30, 2008*

**English**

Hi I am a high school student and I am dual enrolled in college. I have an essay due for my composition class in college and I mention Wet n Wild in my paper. I wanted to know if Wet n Wild should be capitalized since it is a place name or if it should be left just as I have ...
*September 10, 2008*

**9th grade Eng pre ap**

This question deals with the the 4 verb tenses By the climax, thr central character in the novel accepted his responsibility HELP!
*September 8, 2008*

**rounding decimals**

what do u do when u have to round the demials with a nine? Thanks!Bye!
*September 7, 2008*

**English 2 honors**

can someone please give me a website to go to, to find these stems please,or can you please tell me the meanings for these stems: per- gamy gyn/gyno mania path phobia psych soph annus cap/capit cor/cord homo manu milli ped/pod sect -ary -ence/-ance -some if you could answer ...
*September 3, 2008*

**12th grade**

how do you solve limits that have infinities!?
*September 2, 2008*

**Precalculus**

The problem is: Rewrite f(x) = abs(x-2) + [2 * abs(x+5)] I don't even know where to start. PLEASE HELP!!!!!!
*August 15, 2008*

**Precalculus**

Find the inverse function of f(x) = 1.5 ln(x-2) + 4 Please help! I don't even know where to start ):
*August 6, 2008*

**psychology**

Who where the famous people that Maslow said had reached self actualisation?
*July 4, 2008*

**history**

It is very unprofessional for you to call us "idiots". I come to this site often so find referral links for further research when the text does not clarify on a specific topic. I would be happy to forward the week text for you to review, and then the name "idiot...
*July 2, 2008*

**Math**

Find all x, -4pi < x < 6pi, such that [cos(x/3)]^4 + [sin(x/3)]^4 = 1 PLEASEEE HELPP! :(
*May 27, 2008*

**social**

There are a few different meanings... 1) Holding more than one position at the same time. 2) It can be tied to religious/cultural diversity as well.
*May 27, 2008*

**Math-Optimization**

The material for the base of a box will cost three times as much as the material for the sides and top of the box. The box must have a volume of 200 meters cubed. Find the most efficient way to built this box.
*May 27, 2008*

**physics**

Not sure if this applies to physics, but in math its... Vpyramid=1/3(area of base)(height)
*May 27, 2008*

**Math (Data Management)**

The student council is ordering pizza for their next meeting. There are 20 council members, 7 of whom are vegetarian. A committee of 3 will order 6 pizzas from a pizza shop that has a special price for large pizzas with up to three toppings. The shop offers 10 different ...
*May 27, 2008*

**Math**

The sides of a triangle form an arithmetic sequence with a common difference of 2. The ratio of the measure of the largest angle to that of the smallest angle is 2:1. Find the area of the triangle. PLEASE HELP!
*May 26, 2008*

**Precalc**

The sides of a triangle form an arithmetic sequence with a common difference of 2. The ratio of the measure of the largest angle to that of the smallest angle is 2:1. Find the area of the triangle. Please help!
*May 26, 2008*

**Math-Geometry**

The material for the base of a box will cost three times as much as the material for the sides and top of the box. The box must have a volume of 200m cubed. Find the most efficient way to built this box.
*May 15, 2008*

**Math**

You are in charge of a tank to be used for water storage. Your boss has told you that he wants a cylindrical tank with a minimum capacity of 300,000 cubic feet. Your boss wants to spend the least possible amount in painting the tank. Design a tank to meet this objective.
*May 15, 2008*

**math**

I don't understand this question. ƒ(2n) = 2ƒ(n) for all integers n ƒ(4) = 4 If ƒ is a function defined for all positive integers n, and ƒ satisfies the two conditions above, which of the following could be the definition of ƒ?
*April 21, 2008*

**Algebra**

My answers are A=2-C B=(35-7C)/(-2)
*April 18, 2008*

**Math**

Can someone tell me how to solve my problem? Do I just start plugging in numbers or is there some rational to figure this out? Sum of three numbers is -5. First, minus second, plus 4 times the third is -20. The third plus 4 times the first plus the second is -20.
*April 18, 2008*

**geography**

is the ozark plateau in northen or southern missouri
*April 17, 2008*

**Quadratic Functions**

I need help solving this equation: y=-2x^+3 And you do need to graph this equation so can someone please help me?
*April 7, 2008*

**math riddle ALGEBRA WITH PIZZAZZ**

I need help with this!!!!!!!!!!!!
*April 6, 2008*

**Algebra**

x^2-2x-8,=0 graph an appropriate quadratic function (x-4)(x+2)<=0 x-4<=0 x+2<=0 answer x<=4 and x,=-2
*April 3, 2008*

**Algebra HELP!**

Consider the function h as defined. Find functions f and g so (f o g)(x)=h(x) h(x)=8/x^2+10 I think it is: h(x)=8/x^2+10 h(x)=8/x^2+10*x^2/x^2 h(x)=8/x^2+10x^2/x^2 h(x)=8+10x^2/x^2 h(x)=10x^2+8/x^2 h(x)=2(5x^2)+2(4)/x^2 h(x)=2(5x^2+4)/x^2
*March 28, 2008*

**Math**

Domain; 17 Range; 20
*March 28, 2008*

**Algebra**

I need to know if I need to further reduce my answer or if I leave it the way I have it. I have the original problem and then my answer. -b +or- sqrt b^2=4ac/2a answer x= -1/2 +or- 1/10
*March 19, 2008*

**Algebra**

Did I do this right? Or do I need to start over. Find the slope of the line described. A line perpendicular to -4x+4y=-2 -4x+4y=-2 4y=4x-2 4y/4=4x-2/4 y=1x-1/2
*March 19, 2008*

**Algebra**

I need to know if I need to further reduce my answer or if I leave it the way I have it. I have the original problem and then my answer. -b +or- sqrt b^2=4ac/2a answer x= -1/2 +or- 1/10
*March 19, 2008*

**Algebra**

Thanks, I think I have it.
*March 18, 2008*

**Algebra**

Can someone help me? Do I subtract 17 on both sides and then............ The position of an object moving in a straight line is given by s=2t^2-3t, where s is in meters and t is the time in seconds the object has been in motion. How long (nearest tenth) will it take the object...
*March 18, 2008*

**math**

I need to know how to do percents. Example: what is 6% of 18?
*March 17, 2008*

**Algebra**

Sorry, I should have put 5w(3x-4y-5z)=5w
*March 13, 2008*

**Algebra**

Help! I think I am right, but not sure. Factor out greatest common factor then simplify the factors 15wx-20wy-25wz= 5w(3x)+5w(-4y)+5w(-5z)= 5w(3w-4y-5z)= 5w
*March 13, 2008*

**Algebra**

Help! I think I am right, but not sure. Factor out greatest common factor then simplify the factors 15wx-20wy-25wz= 5w(3x)+5w(-4y)+5w(-5z)= 5w(3w-4y-5z)= 5w
*March 13, 2008*

**chem**

Which do you run out of first, the limiting reactant or the excess reactant?
*March 12, 2008*

**Physics**

Why do we rationalize a denominator? The only reason I can think of and can find in a search is to reduce it because it makes it simpler but is not necessary. Help! I have to write a paper on it.
*March 12, 2008*

**Biology**

Can someone explain to me in simple terms deductive and inductive reasoning. Every time I find a new definition, I get more confused. I think that deductive is when you try to figure out from something that is generic and inductive is when you already know what will happen. Am...
*March 11, 2008*

**chem**

How many moles of water are produced when 1.05 g of oxygen gas reacts with 1.22 g of hydrogen gas to produce water?
*March 9, 2008*

**chem**

How many grams of nitric acid(HNO3) will be produced when 0.51 mol of dinitrogen pentoxide reacts with water to form nitric acid?
*March 7, 2008*

**chemistry**

How many moles of iron(II)sulfide are produced when 4.38g of Fe reacts with 2.88g of S to produce iron(II)sulfide?
*March 7, 2008*

**Biology2**

What is the function of oxygen in the main degradative pathway,aerobic respiration?
*March 7, 2008*

**chemistry**

how many sublevels exist in the fourth principle energy level? a) 2 b) 4 c) 16 d) an infinite number
*February 28, 2008*

**chemistry**

the third quantum number, m, indicates what property of the electron? a) orbital b) spin c) charge d) energy level
*February 28, 2008*

**chemistry**

the third quantum number, m, indicates what property of the electron?
*February 28, 2008*

**social studies**

unleart
*February 25, 2008*

**algebraic reasoning**

the relationship b/w the distance d, in feet, required to stop a vehicle and s, the speed in miles per hour that the vehicle was traveling, is given by the equation d=0.0155s(squared)/f f represents the coefficient of friction b/w the tires and the road *it took a car 205 feet...
*February 23, 2008*

**numerical & proportional reasoning**

students in a biology class measured and recorded the lengths of different microscopic organisms. the results are recorded below. organism lenght(millimeters) a 0.00065 b 4.72* 10(exponent -4) c 8/10,000 d ?? a- a fourth organism was measured and found to be 1/40 the length of...
*February 23, 2008*

**Science**

I need an example of a disaccharide. Would an examle be lactose?
*February 23, 2008*

**PhYs...alpha particles**

Do you need to use the equation or can you just plot a graph of the distances you move the alpha particle source against the air pressure?
*February 17, 2008*

**Chemistry**

I am not sure if I answered the question below correctly and if I need all the information in my answer. Do I need all of this information? Why does the simplest ketone have 3 carbon atoms and no less? The simplest ketone has three carbon atoms and no less because of the ...
*February 16, 2008*

**history**

who stood behind Ned Kelly when he was going to be hung
*February 12, 2008*

**Chemistry**

My question is why is benzene less reactive than 1,3,5-cyclohexatriene? I cannot find anything on 1,3,5 cyclohexatriene and why it is more reactive. I know that benzene does not undergo addition reactions and is extremely stable to oxidizing reagents. C atoms in benzene are ...
*February 11, 2008*

**Chemistry**

My question is why is benzene less reactive than 1,3,5-cyclohexatriene? I know that benzene does not undergo addition reactions and is extremely stable to oxidizing reagents. C atoms in benzene are connected by delocalized double bonds which make them available to all carbon ...
*February 10, 2008*

**Chemistry**

My question is why is benzene less reactive than 1,3,5-cyclohexatriene? I know that benzene does not undergo addition reactions and is extremely stable to oxidizing reagents. C atoms in benzene are connected by delocalized double bonds which make them available to all carbon ...
*February 10, 2008*

**Chemistry**

Formula of 1,3-butadiene The answer I came up with is CH2=CH-CH=CH2 Am I close?
*February 9, 2008*

**Chemistry**

NCl3 is not covalent by the way... i just put it in as my answer and got it wrong.
*February 4, 2008*

**spanish sra Mcgin**

I need this checked, I wrote the question then the answer in spanish and then translated it into what I said but i'm not sure if it's right: 1.Que es el suceso? El suceso es una fiesta. What is the event? The event is a party. 2.Que tipo fiesta? Una fiesta de ...
*January 29, 2008*

**FIRST GRADE GRAMMER**

I AM HELPING MY DAUGHTER WITH HER HOMEWORK AND THE TEACHER MARKED HER ANSWERS WRONG. I WANT TO SEE IF SHE IS CORRECT. WHAT WOULD THE 2 ADJECTIVES BE IN (BROOKE, BRUCE AND ELSIE ALL RIDE THE SAME BUS.)
*January 15, 2008*

**1ST GRADE GRAMMER**

WHAT IS THE PREDICATE IN THE SENTENCE I GAVE AN APPLE TO THE HORSE.
*January 15, 2008*

**math**

okay so i have this word problem. The measurements of the upper portion of the hutch, in inches, were: 9 3/4, 12 9/16, 10 3/8, and 16 7/16. The total hight of the hutch is 82 3/8inches. a)what is the height of the upper portion? b)what is the height of the lower portion?
*January 8, 2008*

**Am I correct on this question (accounting)**

The question is: which accounts normally require an adjusting entry: Choices to choose from were: Salaries payable, Land, Dana Cates Drawing, Accumulated Depreciation, Unearned Rent and Supplies. The ones that i chose for the question were: Salaries Payable, Accumulated ...
*December 2, 2007*

**Social Studies (World History)**

The trans-saharan routes and the gold-salt routes either don't fit in the time frame or the region.
*November 12, 2007*

**Social Studies (World History)**

I need to find information particularly on agricultural and pastoral production in central Africa during the time span: 600-1450. If info on this subtheme does not offer a lot of info, we may use the bigger theme which is creation, expansion, and interaction of economic systems.
*November 12, 2007*

**history**

what does Shahadah mean?
*November 6, 2007*

**History**

what does Abbasids mean?
*November 6, 2007*

**History**

Do you know a short meaning to the word: Umayyads?
*November 6, 2007*

**history**

what is the meaning of Medina?
*November 6, 2007*

**History**

What does Hejira mean?
*November 6, 2007*

**physics**

A 1.82 kg box moves back and forth on a horizontal frictionless surface between two different springs, as shown. The box is initially pressed against the stronger spring (k1 = 37.0 N/cm), compressing it 3.10 cm, and then is released from rest. By how much will the box compress...
*October 27, 2007*

**Biology**

So the question is: What is the evolutionary significance of the 'Euglena' that forms a perspectie of utiliazing pigments to capture light energy? I researched for hours but couldn't find information on evolution of Euglena. please help ASAP! Thank you!
*October 21, 2007*

**science**

how do you draw C2H6 as chemical structure?
*October 20, 2007*

**civics**

What are some personal qualities an adviser to the president should have?
*October 11, 2007*

**science**

i need help on my science fair project. i'm doing it on fabric. can you help me?
*October 9, 2007*

**...Physics...**

606.9
*October 7, 2007*

**math...help please!**

Find the 35th term of the sequence in which a1 = 7 and the common difference is 7.
*October 2, 2007*

**math**

how do you make 16 2/3% into fraction?
*September 20, 2007*

**math**

how do you make 16 2/3 into fraction?
*September 20, 2007*

**science**

What is matter? And four examples of objects/substances that would be classified as ''matter'' Please help me with this question and anyhting else you know about ''matter''
*September 17, 2007*

**Biochemistry**

Which two ionization states of lysine are present at pH 7 in what and ratio? Show calculation
*September 9, 2007*

**Precalculus**

If f(x-2)= square root of x^2 - 16 and g(x)= 3^x/(2-x), then find [f(3)+g(5)]/2. I honestly don`t even know where to start! please help :[
*August 28, 2007*

**miles to meters**

how do you convert 2250 miles to meters?
*August 26, 2007*

**MATH!!!!!!**

Roger purchases two doughnuts and three cookies at a doughnut shop and is charged $3.30. Sam purchases five doughnuts and two cookies at the same shop for $4.95. All the doughnuts have the same price and all the cookies have the same price. Find the cost of one doughnut and ...
*May 28, 2007*

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