Saturday

April 19, 2014

April 19, 2014

Total # Posts: 1,398

**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...

**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 pos...

**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 pos...

**edisto**

What percent of 105 is 70?

**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

**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

**EARTH SCIENCE**

i messed up were i put a plus theres supposed to be =

**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 und...

**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

**math**

how do you work out bearings for y8 maths homework

**algebra**

multiple 2 into the brackets then solve for m

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

As someone has already stated, this energy would probably be plasma energy, not electricity.

**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 suspende...

**Science & Art - Gr 12**

Awesome you guys.

**Science & Art - Gr 12**

Hey SraJMcGin, Haha, yes. It certainly does raise some questions! D:

**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...

**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.

**Science & Art - Gr 12**

Does anyone know some of the physics behind this or is it too advanced?

**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...

**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?

**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 ...

**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 explana...

**Physical Science**

find the mass of a notebook that has a weight of 16.4 newtons

**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.

**algebra**

thanks drbob

**algebra**

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

**algebra**

1/2x+6=1/3x

**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.

**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, no...

**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?

**bio**

what is the role of ATP in muscle contraction? What is the role of calcium in muscle contraction?

**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 mix...

**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?

**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 fr...

**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 Lau...

**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 ...

**chem**

ionic compounds are composed of

**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

**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>>

**A good programming forum???**

I'm working with VBScript and Javascript all the time... need help.

**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

**art**

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

**programming**

Sorry... double post!

**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 loca...

**IT - project work**

Swak you guys :(

**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 ...

**science**

animals that share common charistics

**ALGEBRA**

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

**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.

**final revision**

How could you deal with new sources of stress?

**French Pen-Pal**

stupid and very hard

**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?

**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.

**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

**Economics**

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

**math riddle ALGEBRA WITH PIZZAZZ**

can i have help plz with why dosent an elephant smoke

**math riddle ALGEBRA WITH PIZZAZZ**

I need help with this why doesn't an elephant smoke?

**Math**

how do i find area of parrelolgrams

**literary**

What is "sound" in a literary terminology sense?

**math**

what is 12% of 120?

**adverbs**

If you need any help, i will be there.

**Maths**

I am trying to work out the area and perimeter of an equilateral triangle but am only given the altitude (12cm), i have tried everything from c^2 = a^2 + b^2 to b x h / 2 and nothing seems to work. How do i work this out with only one measurement?

**biology**

The backbone of the DNA strand is made from alternating phosphate and sugar residues.The sugar in DNA is 2-deoxyribose, which is a pentose (five-carbon) sugar. The sugars are joined together by phosphate groups that form phosphodiester bonds between the third and fifth carbon ...

**Mathematics**

(2x)^2(3x)^3=3.548E82 How do I even do this type of math problem am just totally lost here????

**Social Studies**

Please tell some information on Indiana's economy? Just get some information about the state' natural resources and the state's most important way to make money like farming. Please answer my question. Thanks!

**math**

poopie

**science**

1. What will happen to the pressure in your tires if the temperature drops 40 degrees over the night? a) Pressure will increase b) Pressure will decrease c) Pressure will not change d) Cannot determine

**science**

1. What will happen to the pressure in your tires if the temperature drops 40 degrees over the night? a) Pressure will increase b) Pressure will decrease c) Pressure will not change d) Cannot determine 2. Explain, on a molecular level, why this happens. these questions are jus...

**science**

Boiling points and freezing points are examples of? a. physical properties b. matter c. chemical properties d. energy i am pretty sure it is a but i just need to have someone assure to me i am right

**science hw**

I cannot figure out this answer. It is confusing me a lot. I hate problems like this where all of the problems just switch beginnings and endings with each other. The combination of the sand and water makes for a ____________ _____________ because A) homogenous mixture; it sep...

**Math**

what mutiplication fact can be found by using the arrays for 2x9 and 5x9

**Chemisry**

Use chemical principles of atomic structure and or chemical bonding to explain each of the following. 1. At 25.0 degrees C and 1atm, F2 is a gas, whereas I2 is a solid. 2. The melting point of NaF is 993 degrees C, whereas the melting point of CsCl is 645 degrees C.

**mental**

gaslighting is not a syndrome its a act, u gaslight someone to gain something, i would recommend the book "how to drive your enemies crazy" it has some good stuff on gaslighting

**Math HELP please**

____ How do you simplify these? / \/ 24 Including numbers such as 40 60 and 48?

**Math**

there are no parentheses in the problem its excatly what you wrote.

**integral calculus**

intergrate the following: a) (y+1)^-1 dy b) (1+1/x) dx I think the answers are: a)ln(y+1) + C b)x + ln (x) + C but I am not to sure about them. Can you please tell me if they are right/wrong and if wrong, show me how to get it/them right....

**Calculus**

The slope of the tangent to the curve (y^3)x+(y^2)x^2=6 at (1.2) is??????????? Is the answer -1/2 or positive, or am i completely off?

**art**

Bosch

**English**

What are four Traits that describe Jane eyre

**English**

Create a bio poem on any character in Jane Eyre It must be in this format or close to it The format is Line1 First name only Line2 4 Traits that describe the character Line3 Son/Daughter of Line4 Lover of (3 things) Line5 Who feels(3) Line6 Who needs(3) Line7 who gives(3) Line...

**physical science**

If the absolute pressure of a gas is 550.280 kPa, its gage pressure is A. 101.325 KPa B. 277.280 KPa C. 448.955 KPa D. 651.605 Kpa

**physical science**

If the absolute pressure of a gas is 550.280 kPa, its gage pressure is A. 101.325 KPa B. 277.280 KPa C. 448.955 KPa

**English**

How would you correct this sentence? In many companys everyone, including the President, takes their turn at making coffee.

**Math**

well, the equations make sense and I see no other way of doing so thank you so very much for taking the time to helping me with this math Problem.

**Math**

hmmm, that's weird; I'll tell my teacher about it on Monday because, to me, it sort of makes things confusing, since one would ususally figure you can't exactly have only fractions of a coin... thanks for the info!

**Math**

thanls for the correction :)

**Math**

Solve the following problem taken from Treviso Arithmetic, a math textbook published in 1478 by an unknown Italian author: A man finds a purse with an unknown number of ducats in it. After he spends 1/4, 1/5 and 1/6 of the amount, 9 ducats remain. It is required to find out ho...

**math**

never mind.. ^^ i got it. ugggg stupid me...

**math**

what are the 2 greatest consecutive even integers whose sum is less that 180? for the 1st I got x+2 and for the 2nd I got x+4 to get x+2+x+4<180, and solved to get, x<87. Now.. I cant get the answer. biggg problemo. please help.

** economics**

Suppose the domestic demand for coffee is given by the equation Q=100-P, domestic supply by the equation Q=P. THe world price for coffee is $20 per unit. The government decides to impose an import quota limiting imports to 10 units. How much dead weight loss will this generate?

**Math**

Q) 'What are the dimensions of a cylinder that has the same maximum volume as the box (1131.97 cm2), but uses the minimum amount of material to make it?' Here are the notes I have so far: SA=2Pi r^2 + 2 Pi r (1131.97/Pi r^2) Now i need to use derivatives, I don't k...

**Math**

you couldn't show all the working could you? its just that i don't understand how to do them, and can't do them thanks

**Math**

Q) 'What are the dimensions of a cylinder that has the same maximum volume as the box (1131.97 cm2), but uses the minimum amount of material to make it?' Here are the notes I have so far: SA=2Pi r^2 + 2 Pi r (1131.97/Pi r^2) Now i need to use derivatives, I don't k...

**unsramble words**

unscramble gaamed

**social studies**

thanks

**social studies**

I have an assignment to write 3 paragraghs on age of exploration and age of colonization. I cannot find any material on them ,what can i do because when i type in the name it comes up with shopping stuff?

**Math**

ummmm all 1,000 cuz if each opens and closes all 1,000 should be opened

**physics**

(a) 2.00 m/s (b)200 N

**Cell Biology**

What organelle does Phalloidin stain? I know it stains actin and the cytoskeleton but these are not organelles.

**Science**

How do you figure out velocity? I don't have a very good teacher.

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | **13** | 14 | Next>>