Thursday

December 18, 2014

December 18, 2014

Total # Posts: 1,539

**Chemistry**

Hi! I have a question about Pi-Bonds: a. ) are the only kind of bonds present in double bonds b. ) have very little electron density along the internuclear axis c. ) are formed by endwise overlap of p-orbits d. ) are formed from hybrid orbitals e. ) are formed from s-orbitals ...
*July 2, 2009*

**maths 4th grade**

hello i need help with time table i really need help can you help because i really need help and i aslo need help with reading
*June 26, 2009*

**algebra**

we have a triangle with side a,b,&c. Side b=1,c=sqrt10 what is the length of side a?
*May 4, 2009*

**Monroe**

What do economist believe about future business cycles?
*May 4, 2009*

**algebra II**

Simplify. 2 square root 2(5 square root 10- 3 square root 2)
*April 30, 2009*

**Math**

I think there is supposed to be a few open spaces, maybe its we cant elope
*April 15, 2009*

**Algebra**

jon can type a report in 9 hours, nick can do the same job in 5 hours. How long would it take to type if they did it together?
*April 7, 2009*

**8th Grade Science**

Yeah,I've been wanting to ask that too.
*April 1, 2009*

**college al**

y=2x^3√9-x^2
*April 1, 2009*

**algebra**

find center and radius of circle with given equation: (x+4)^2 + (y-4)^2 = 25
*April 1, 2009*

**8th grade**

UH OH, Im getting this in grade 9 acedemic,
*April 1, 2009*

**9th grade weighte average**

how should i do weighted average
*March 26, 2009*

**Chemistry-Urgent Help Please**

What are the differences between -ate, -ide, -ite, and the other suffixes? What are some ways of remembering? Thank you for clarifying this.
*March 5, 2009*

**Chemistry**

What are the differences between -ate, -ide, -ite, and the other suffixes? What are some ways of remembering? Thank you for clarifying this.
*March 5, 2009*

**Math**

how did you get that. not rudely.
*February 23, 2009*

**Math**

dont get it
*February 23, 2009*

**Math**

The area of a rectangle is 90m 2. The base is three less than three times the height. What is the perimeter?
*February 23, 2009*

**12th grade Data**

In this sequence, tk is a factorial number, often written k!. Show that tk=k!=k(k-1)(k-2)...(3)(2)(1)
*February 23, 2009*

**CALC**

no one to help me?????
*February 3, 2009*

**CALC**

what is the arc length of y=x^4/8 + 1/(4x^2) [-1,-2] i have tried this many times but i am not achieving the answer of 33/16 which is supposed to be correct....much help is appreciated
*February 3, 2009*

**math**

(a) Use the Midpoint Rule and the given data to estimate the value of the integral I. (Give the answer to two decimal places.) I = int_0^3.2 f(x)dx 1 x f(x) x f(x) 0.0 7.3 2.0 8.8 0.4 6.8 2.4 7.3 0.8 8.1 2.8 7.6 1.2 7.6 3.2 7.3 1.6 8.2 (b) If it is known that -5 ≤ f'...
*February 3, 2009*

**6th grade_Science/Math**

hey get a life
*January 27, 2009*

**Math**

Josh and Mike live 13 miles apart. Yesterday Josh started to ride his bicycle toward Mike's house. When they met, Josh had ridden for twice the length of time as Mike and at 4/5 of Mike's rate. How many miles had Mike ridden when they met? (a) 4 (b) 5 (c) 6 (d) 7 (e) 8
*January 25, 2009*

**Statistics**

That answer is wrong
*January 24, 2009*

**Poetry (9th grade)**

This is a poem by Alice Walker and a question at the end but I can't figure out the question. Poem title: "Good Night, Willie Lee, I'll see you in the morning." Looking down into my father's dead face for the last time my mother said without tears, ...
*January 22, 2009*

**calculus**

lim x->(pi/3) (cos x -(1/2))/(x-(pi/3)) is?
*January 22, 2009*

**calculus**

o alright thank you drwls
*January 22, 2009*

**calculus**

is it 2ln 2?
*January 22, 2009*

**calculus**

Can someone help me with the problem? f(x)={ln 2x, 0<x<2 {2lnx, x >or= 2 The limit lim x-> 2 f(x) is?
*January 22, 2009*

**Physics**

thank you for that answer you are amazing!
*January 20, 2009*

**speech**

What are the 5 Communication acts?
*January 11, 2009*

**language arts**

analogie for broom is to sweep as brush is to?
*January 6, 2009*

**Math**

5x-14=8x+4
*January 6, 2009*

**IT Programming in South Africa for a 2007 matric..**

IT Programming in South Africa for a 2007 matriculant? I matriculated 2007 with a Senior Certificate : HG Afrikaans 2nd Lang 45% HG English 1st Lang 51% SG Maths 66% SG Science 49% HG Biology 44% SG Computers 62% And I have experience with ms-dos, vbscript, javascript, css, ...
*January 3, 2009*

**Algebra (y=kx)**

just read my other question and u will find the question. but i really need he- lp!!!!!!!!!!!!!!!!!!!!!!!!!!!
*December 7, 2008*

**math**

ho do i make a y=k x problem with facts like: exports $465.3 billion and imports 402.4 billion?
*December 7, 2008*

**Science**

definatley c
*December 7, 2008*

**chemistry II**

I search the web and my texbook doesn't have the answer so please help What are the four steps of a process involving a heterogeneous catalyst?
*December 3, 2008*

**8th Grade Algebra**

just go 2 google and google it!
*December 2, 2008*

**4th grade**

2-1=1
*November 25, 2008*

**9th grade**

Need help with (x+5)(3xsquared-2x+1)
*November 13, 2008*

**math**

The scientists Verhulst (1828) where is the natural growth rate of the population when resources are limited and is a positive constant called carrying capacity of the environment. (a) Using sign analysis, find all constant solution and discuss the general behavior of solution...
*November 6, 2008*

**math**

The scientists Verhulst (1828) and Peal (1930) proposed the following growth model for a population living in an environment with limited resources (e.g. space, food, sunlight, etc): = , where is the natural growth rate of the population when resources are limited and is a ...
*November 6, 2008*

**math**

The scientists Verhulst (1828) and Peal (1930) proposed the following growth model for a population living in an environment with limited resources (e.g. space, food, sunlight, etc): = , where is the natural growth rate of the population when resources are limited and is a ...
*November 6, 2008*

**edisto**

What percent of 105 is 70?
*October 30, 2008*

**Math riddle PIZZAZZ Worksheet**

i need help on my home work a-72
*October 30, 2008*

**Math**

Find all the points of intersection of the surfaces whose equations are as follows: z^2 = 2xy - 100 and x^2 + 2y^2 - 100 --------------------- 2y
*October 20, 2008*

**Math**

Find all the points of intersection of the surfaces whose equations are as follows: z^2 = 2xy - 100 and x^2 + 2y^2 - 100 ---------------- 2y
*October 20, 2008*

**EARTH SCIENCE**

i messed up were i put a plus theres supposed to be =
*October 19, 2008*

**EARTH SCIENCE**

i have to do a packet and i cant under stand it. it says ' sea level 10 degrees = 1 atmosphere and then i have to do tropopause ,stratapause and mesopause and the rest of it says . an atmosphere is a unit of air pressure . 1 atmosphere +average air pressure at sea leve ...
*October 19, 2008*

**math**

Add 9+5 first then Subtract 2 minus 4 and once you get both of those answers subtract them (9+5)-(2-4) 14 - 2 =12
*October 8, 2008*

**math**

how do you work out bearings for y8 maths homework
*September 29, 2008*

**algebra**

multiple 2 into the brackets then solve for m
*September 28, 2008*

**Science & Art - Gr 12 (correction)**

As someone has already stated, this energy would probably be plasma energy, not electricity.
*September 15, 2008*

**Science & Art - Gr 12**

Note : All feedback will be greatly appreciated! Hey guys, thanks for the help earlier on about the "invisibility cloak". Anyway, I'm interested to know how one would go about generating a fairly independant sphere / ball of pure plasma / electric energy ...
*September 15, 2008*

**Science & Art - Gr 12**

Awesome you guys.
*September 14, 2008*

**Science & Art - Gr 12**

Hey SraJMcGin, Haha, yes. It certainly does raise some questions! D:
*September 14, 2008*

**Science & Art - Gr 12**

Invisibility. I've been reading all over the place about this, but mostly sensational. Some, however, state that the Government has been working on a sort of "invisibility cloat" for military, air force and marine tactics. But get this, it works on the basis that...
*September 14, 2008*

**Science & Art - Gr 12**

Hi Ms. Sue, I am not a frequenter of Jiskha, and not that familiar with how it works. So please bear with me. Having said that, thanks for the input.
*September 13, 2008*

**Science & Art - Gr 12**

Does anyone know some of the physics behind this or is it too advanced?
*September 13, 2008*

**Science & Art - Gr 12**

Invisibility. I've been reading all over the place about this, but mostly sensational. Some, however, state that the Government has been working on a sort of "invisibility cloat" for military, air force and marine tactics. But get this, it works on the basis that...
*September 13, 2008*

**Science & Art - Gr 12**

I don't mean through psychic forces..... umm....... let me rephrase : How would one go about generating a ball of electrical energy?
*September 13, 2008*

**Science & Art - Gr 12**

Hey Bob. How exactly would that apparatus work? I'm assuming it runs on a cercuit, so the electricity would pass through the ionized gas in a visible form??? You also mention low pressure. This would be important because the gass would need to move. And since a current is ...
*September 13, 2008*

**Science & Art - Gr 12**

What would it take to generate a ball of pure visible electrical energy in my hands??? Can anyone explain to me a sort of apparatus? I am an avid Artist, and like my science. So I'm trying to work within the boundries of as-realistic-as-possible. A sort of rational ...
*September 13, 2008*

**Physical Science**

find the mass of a notebook that has a weight of 16.4 newtons
*September 9, 2008*

**pre Calculus**

this is pretty simple you just find the equation of the line, this would be y=1/2(x+2)+7 =1/2x + 8 and if you graph that, u should be able to pick any addional points on that line.
*September 7, 2008*

**algebra**

thanks drbob
*September 2, 2008*

**algebra**

1/2x+6=1/3x Please help. my college grad mom can't help with my 8th grade math!
*September 2, 2008*

**algebra**

1/2x+6=1/3x
*September 2, 2008*

**11th grade u.s. history**

also remember that there are two groups, Puritans, and more religiously zealous puritains called Seperatists. The Seperatists were the puritans who went to the new world (america) and founded Massachusettes to create a land of religious oppurtunity and purity.
*September 1, 2008*

**literature**

WHAT IS A WONDER QUESTION? my english teacher assigned me a summer assignment and one of the question says: 2. Writing raises questions. Write a wonder question the book raises for you. Wonder questions ask about the significance of something you observe; they are analysis, ...
*August 28, 2008*

**science**

Can you please explain to me how to determine the control of an experiment? The experiment we have been given is determining which liquid (fruit juice, cola, water, etc.) would make the more significant impact on a chicken bone when emersed. What would the control be?
*August 26, 2008*

**bio**

what is the role of ATP in muscle contraction? What is the role of calcium in muscle contraction?
*July 29, 2008*

**chem**

What do question about Aluminum, hand this is some general question about it can someone help me to answer them Why is it wise to clean the aluminum? Why is the reaction done in the hood? Why must suspended solids be removed from the basic solution? Why is an ethanol-water ...
*July 27, 2008*

**chemistry**

Why is it wise to clean the aluminum? Why is the reaction done in the hood? Why must suspended solids be removed from the basic solution? Why is an ethanol-water mixture, rather than pure water, used to wash the collected alum?
*July 27, 2008*

**English/Grammar (supplement post)**

Areas I was looking at that may need some corrections: on or onto hand-written, NS list or hand-written NS list (with , or without ,) printout or print-out (with – or without -) Once all of the laundry was checked in, the check-in report was printed. The same procedure ...
*July 6, 2008*

**English/Grammar**

May I have someone proofread for spelling/grammar please? Friday, July 4, 2008 Using the hand-written, no slot (NS) list of grave shift, the names of the employees that still had uniforms to collect in the back of auto load were typed onto an Excel spreadsheet and saved as ...
*July 6, 2008*

**investing compound interest**

James Johnson, a recent graduate of a nationally recognized MPA program wants to be able to travel around the world. James does not have enough money at this time, but believes he can save up enough money to travel around the world in ten years. If he currently has $15,000 to ...
*June 25, 2008*

**chem**

ionic compounds are composed of
*June 2, 2008*

**PHYSICS**

how to calculate formula for period of a cylinder that depends on radius(cm), length(cm) and time(sec). If a radius is 3.84 and at length(30)=.83sec length(100)=3.31sec length(200cm)=6.04sec
*May 18, 2008*

**Pre Calculus**

Can someone help me with this problem...I have no Idea how to do it. Find the area between each curve and the x-axis for the given interval. y=16x-x^3 from x=0 to x=4 Thanks for the help>>
*May 14, 2008*

**A good programming forum???**

I'm working with VBScript and Javascript all the time... need help.
*May 6, 2008*

**programming**

How do I delete a file on my shared LAN network with vbs??? 1. The vbs file is in the same directory as the file i need deleted 2. How do I do this without having to declare long locations??? Anybody? help would be appreciated thanks
*May 5, 2008*

**art**

Was wondering, what kinda job I could get with a BTEC National Diploma in Fine Arts???
*May 5, 2008*

**programming**

Sorry... double post!
*May 5, 2008*

**programming**

I keep getting a 'Code 0; Permission Denied' error, while trying to run some .hta embedded vbs over my LAN Network, but when I run it locally (on my desktop) its just fine. My guess is this has something to do with writing to and / creating files in the .hta's ...
*May 5, 2008*

**IT - project work**

Swak you guys :(
*May 5, 2008*

**IT - project work**

I keep getting a 'Code 0; Permission Denied' error, while trying to run some hta embedded vbs over my LAN Network, but when I run it locally (on my desktop) its just fine. My guess is this has something to do with writing to and / creating files in the hta's local ...
*May 5, 2008*

**science**

animals that share common charistics
*April 29, 2008*

**ALGEBRA**

_5_ __4m__ m+1 = m My other one was probably very unclear, I hope you can read this better
*April 29, 2008*

**ALGEBRA**

__5__ _4m___ m+1 = m What does "m" equal, I can't figure it out, please help me. Here's the question in writing in case it isn't clear: 5 over m+1 = 4m over m Thank you so much.
*April 29, 2008*

**final revision**

How could you deal with new sources of stress?
*April 22, 2008*

**French Pen-Pal**

stupid and very hard
*April 20, 2008*

**math**

So the area would be 4x^2 ? and the area of a circle is pi * x^2 So would the area be (4-pi) x^2?
*April 16, 2008*

**math**

1. A wire of length x is bent into the shape of a square. Express the area A as a function of x only. 2. A circle of radius x is inscribed in a square. Find the area inside the square but outside the circle as a function of x only.
*April 16, 2008*

**social studies**

the wampanoag helped the pilgrims so the pilgrims helped the wamponoags learn how to make and cook food and thats how they became freinds
*April 13, 2008*

**Economics**

why with international trade, the domestic economy's consumption possibilities curve can be greater than the domestic economy's production pssibilities curve.
*April 7, 2008*

**math riddle ALGEBRA WITH PIZZAZZ**

can i have help plz with why dosent an elephant smoke
*April 6, 2008*

**math riddle ALGEBRA WITH PIZZAZZ**

I need help with this why doesn't an elephant smoke?
*April 6, 2008*

**Math**

how do i find area of parrelolgrams
*April 1, 2008*

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