# Posts by katy

Total # Posts: 455

**Algerbra**

actually wait, that gives you a negative answer......hmmm.......... Maybe you should disregard my work, but i know for a fact that you make a system the way i did. sorry.

**Algerbra**

Make a system. let r represent records, and t represent tapes. your system should be: {2r+3t=$31 {3r+2t=$29 I suggest using elimination. muliply ALL of the second equation by negative 3. -3(3r+2t=$29 you'll get: -9r-6t=-$87 Then multiply the first equation by a positive 2...

**5th grade**

how do you write a ten paragraph essay?

**algebra**

Convert 5 hours to minutes first, and then divide by 4, and multiply by two.

**math**

To change a decimal into a fraction, you have to use the actual decimal place.(tenths, hundredths, thousandths etc.) For example, 0.75 The 5 is in the hundredths place, so you put 75 OVER 100. Then reduce(unless instructed not to)

**Algebra S.O.S**

thank you oh so very much! <3

**Algebra S.O.S**

I've been working on this a while, and I thought I got it right...until I got to step two. When I tried "veryfying my solution point" The lines didn't intersect at (4,2). I don't know, it's probably a silly little mistake on my part, but I can't ...

**EASY**

IN SINGAPORE MONEY WHAT COLAR STANDS FOR WHAT?

**NAILS**

NAIL FILER OR CLIPPER

**S.S**

WHAT IS THE MONEY CALLED IN SINGAPORE?

**EASY**

WHAT IS THE MONEY IN SINGAPORE CALLED?

**science**

Could some one please list the scientific names for vertebrates and inveretebrates?

**english paper**

yes.

**science**

does anyone know of a few invertebrates,and vertebrates they could tell me about?

**science**

they have very bad deseses', if a carnivore eats one it will die. from katy a fifth grader

**English**

oh I got a terrible hard question for homework and got any qlue how to start it and develop and etc thats it: i ave to write a "debate" to analyse the role of media in Irish society my english teacher gave us pros and cons how to start? and how to match all of this? ...

**English**

i have to write a "debate"... that media has too much power in Irish society...

**English**

ok that's not helping...

**English**

I ve got that question recently and also have no qlue how to answer... how to start that is the question... if someone know just write I would be really gratefull :)

**algebra! help!**

ok thank you so much!!!

**algebra! help!**

In 1994 school lunch was $1.20. In 1999 it increased to $2.25. FInd the rate of change for school lunch from 1994-1999

**algebra 1`=**

for a person 6 feet tall who weighs 200 pounds find a value for k in the equation w = kh^3

**biology help!**

how is energy stored and released using ATP?

**biology**

where is the engery stored and released using ATP?

**5th grade math**

it cost $0.38 to produce and mail a newsletter.each week,475,000 newsletters are mailed to subscribers. about how much does it cost to produce and mail the newsletter each month

**english 1**

ok thank you so much!

**english 1**

wouldnt the verb be require in the following sentence: Do both surfing and snow skiing require coordination and balance more than strength?

**english**

ok thank you.

**english**

What is the verb of this sentence? Velma will not only bring the salad but also bake the bread.

**math**

i need an inequality and how many more boxes of oranges he will need to make up the difference.

**math**

A farm sells boxes of oranges for $8 and boxes of grapefruits for $12. The farm wants to ear at least 4,000. If he sells 210 boxes of oranges and 150 boxes of grapefruit will he earn at least $4,000? If not how many more boxes of oranges must he sell to make up the difference...

**4th grade science**

Ha, I am having trouble with science can you give me some pointers?

**math**

a number is divided by 3 and then 7 is added to the quotient. The result is 11. Find the number

**Science**

I need help with my science class. My teacher wants us to come up with property tests for many different substances to indentify them. I need three property tests for: Coal, Rope, Cloth, Plastic, Paper, Bean, Copper Granuals, Sand, Flower Petal and Rubber. Can you help me find...

**statistics**

Using the z-table (Table E) find the critical value (or values) for a = .018 left tailed test.

**math riddle ALGEBRA WITH PIZZAZZ**

4y-9=15 +9 +9 -- -- 4y+0=24 ÷4 ÷4 -- -- y = 6

**Humanities**

Wow! Thanks

**Humanities**

Is there a way to fix the current economy since it is not doing too well right now, or is just going to fail?

**Environment.. again**

I'm stumped with another question too. Can petroleum fractions be separated at room temperature on the basis of their viscosities? I would guess that they could but i don't know how to explain it

**Environment**

Why is the density of oil a key factor with oceanic spills and fire? I can't find the answer in my book

**Math Nightmare**

use the trapezoidal rule with the scale so its height =1, so (1/2) (1.5+ 2*1.6+ 2*1.8+ 2*1.9+ 2*2.0+ 2*2.1+ 2.1) which equals 11.2 so 119/11.2= 10.625 or 10.63 and that is the answer

**Chemistry**

Oh.. well we haven't learned the shorthand configuration yet so really don't know if my answer is correct or not

**Chemistry**

The electron configuration for Europium? I think it's 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f7 Is that right? I'm not sure if I did it right with the f block.

**math**

trying to find a fraction riddle. I'm a fraction greater than 1/2 and less than 3/4. My numerator is 5 times 1. what fraction am I? How do you explain the answer?

**Science**

What is a good science project to do? I am in 8th grade and am studying earth science. I need to present the project in front of class. Im really nervouse.

**Math**

l,l;

**Language Arts**

Hi. hmmm. im doing a worksheet for my language class, and its on the last of the mohicans, i need help.

**HELP PLEASE**

the wind blowing on a vertical surface varies jointly as the area of the surface and the square of the velocity. if a wind of 40 mph exerts a force of 50 pounds on a surface of 1/2 square foot , how much force will a wind of 80 mph place on a surface of 2 square feet the ...

**Geometry**

Show the conhecture is false by finding a counterexample... 1. The differnece of the absolute value of two numbers is positive meaning /a/ - /b/ > 0 I do not get that.... =/ HELP. If absolute value of a is greater than the absolute value of b, then the difference has to be ...

**English**

What is it called when the subject (being you) is automatically understood? Like... Go shut the door. the subject is understood to be..you. what is that called? "Go shut the door." is an imperative sentence because it gives a command. Most imperative sentences have ...

**The lord of the flies-English**

what is the irony of Samneric's behavior in Chapter 12

**dumb math**

duh...18!

**Chemistry-Formal Charge**

I have a test tomorrow and I don't really understand how to do formal charge and I've been looking at it and it just isn't clicking. Thank you for your help. Count the electrons around the atom. If the electron(s) is/are shared with another atom, half goes to one ...

**word unscramble**

Please help me unscramble these words. ZLHDAYPAHAR,HSNDBEUUR,RCILRCAU,GAATIDET,ZDAEZLRF,ISRGHLNEI,TREDESDE,DGNPLUE,DVBEEERRAETR,and NCEEAREXUB. PLLLLEEEAAASSSSEEE HHHEEELLLLLPPP!!!

**spanish**

How do I translate my spanish Thank you for using the Jiskha Homework Help Forum. First of all you need to determine the vocabulary in the sentence. When you actually post some work here we can help you use the dictionary. The very BEST way is to look up the English word, ...