# Posts by Liz

Total # Posts: 1,327

**physics**

Suppose a 65-kg boy and a 45-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.

**ap world history**

durin g 8000bce-600ce ehat kind of humans,animals,vegitation dwelled in the caribbean islands?how did they use the geographic features?

**Chemistry & Math**

If you add 1.0ml (cm3) of a aqueous solution of NaCl at 0.4mol to 9.0ml of water what's the final concentration of NaCl in mmol? ty

**american lit**

How was john Proctor a tragic hero?

**american lit**

What was the rationale behind witch craft in The Crucible by Arthur Miller?

**chemistry**

can a nonpolar molecule be made up of polar bonds

**PHYSICS**

A FIREWORKS ROCKET IS MOVING WITH A SPEED OF 45.0 M/S. THE ROCKET SUDDENLY BREAKS INTO TWO PIECES OF EQUAL MASS, WHICH FLY OFF WITH VELOCITIES V1 AND V2. WHAT IS THE MAGNITUDE OF V1? (THE ANGLE OF V1 WITH RESPECT TO THE ORIGINAL V DIRECTION IS 30 DEGREES WHILE THE ANGLE OF V2 ...

**Chemistry**

Metallic aluminum reacts with MnO2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two reactants is 67.2% mole percent Al. Find the theoretical yield (in grams) of manganese from the reaction of 240 g of this mixture.

**Chemistry**

Suppose you wanted to dissolve an aluminum block with a mass of 15.4 g What mass of H2 gas (in g) would be produced by the complete reaction of the aluminum block?.

**Chemistry**

ok thank you

**Chemistry**

we only used small samples and for most of the compunds they just stuck to the bottom. So are you saying that calsium sulfate is the only one that doesn't disolve?

**Chemistry**

which of the following compounds dissolve in water?? -Sodium Nitrate (NaNO3) - Sucrose (C12H22O11) - Sodium Chloride (NaCl) - Potassium Sulfate (K2SO4) - Ethanol (C2H5OH) - Sodium Bicarbonate (Baking Soda)(NaHCO3) - Calcium Sulfate (CaSO4) i did an experiment, but I was not ...

**spanish 2**

Cual es tu musicia favoritia? Mi musica favorita ________hip hop.

**spanish 2**

what about Cual es tu musicia favoritia? Mi musica favorita hip hop.

**spanish 2**

why is the first one that

**spanish 2**

fill in the blank with the correct word Donde estamos?__________ en Philadelphiao Estan listos? No_______ listos. Como _______ usted? Estoy bien

**chemistry 111**

how do know witch layer is water and methylene chloride?

**elementary**

what is the definition of quality

**BioChemistry**

The process of catabolism releases free energy, some of which is stored as ATP and some of which is lost as heat to the surroundings. Explain how these observations are consistent with the fact that catabolic pathways are essentially irreversible. I really don't know. I ...

**History**

What was the Jacksonian Era trying to prove and how does it relate to U.S. history? Any help would be greatly appreciated.This is a bonus question that we can earn extra points on.

**History**

Thank You Do u think it's a good topic that I will be able to get a lot of information on and end up finishing my paper with six pages doubled spaced?

**History**

I posted the other night about a topic for my research paper. The event had to be between 1492-1865. I think that I might have come up with one. I was thinking about the Jacksonian Era? What would be some sub categories for this. I started researching already. Any ideas would ...

**History**

The outline is sepearate from the entire paper. We have to turn the outline in before the paper. I'm looking into that site that you gave me right now.

**History**

There wasn't really no instructions. They just gave us a time era 1492-1865 use MLA, 5 refrences one must be primary it's my first year in college. Then we have to do an outline for it.

**History**

Can you lead me into a more specific topic that isn't to broad. When I'm writing do I just pick one of those years between that time frame. I need something that I'm going to be able to break into like sub categories so I can reach the page length that is required.

**History**

Something that really stood out between those years. Probably Explorations or slavery

**History**

What are some good/interesting research paper topics that can be from 1492-1865.Any ideas would be very well appreciated.

**algebra**

8(x-8)^3-1728

**Macroeconomics**

How does the existence of money affect efficiency and equity, stability and growth?

**Macroeconomics**

How does the existence of money affect efficiency and equity, stability and growth?

**Math**

Can u please guide me on solving these two equations please. Thank You 3.6-7.6 (-8.3)-11.4

**BIO**

What will be lost if intrusion goes unchecked in the Galapagos Islands?

**artist**

Sorry forget about the note above ive got the answers now. Thankyou very much for the help.

**artist**

I also need to know where George Braque lived and worked. Thankyou. Liz

**artist**

Thankyou ever so much for the help Ms. Sue and SraJMcGin I will try again on the links putting an s on the end of george. Hopefully it will work. Liz

**artist**

Can someone help me with these questions please. Q1)Where did George Braque live, work and die? Q2) How did George Braque create the cubist style of art. (No links my computer doesnt let me click on linked pages. Thankyou.)

**GuruBlue**

Ok thankyou GuruBlue and bobpursley.

**GuruBlue**

Where can you get the Julius Ceaser video from? I need to watch it for school

**artist**

Thankyou

**artist**

I tried the link but it isnt working so i need the answer not a link. My computer isnt very good at the moment.

**artist**

Why did George Braque create the cubist style of art? Anybody know? Thankyou Liz

**Design and Technology**

Thankyou for the help.

**Design and Technology**

Where was Andy Warhol educated? I cant find anywhere it can tell me. Help! Thankyou. Liz

**artist**

Thankyou Ms. Sue!

**artist**

Who influenced George Braque with his work. Anyone know any sites to help me? Thankyou. Liz

**artist**

Thankyou!

**artist**

Where were George Braque's artistic friends. Can you please help me i have no idea what so ever! Thankyou! Liz

**artist**

Thankyou Writeacher!

**artist**

Where did George Braque live?

**math (algebra).**

That equation is not understandable

**biology**

how does the urinary system support reproduction and passing on genetics?

**biology**

How does the circulatory system and the lymphatic system support reproduction and passing along genetics?

**thanks**

thanks

**Biology**

How does the skin or the integumentary system support reproduction and passing along genes?

**thank you**

thanks

**passing on species**

I have to write an essay. I need some suggests as to where to start or some ideas as to what to write about. The topic is: One main biological objective for any living organism is to continue its species by reproducing and passing along genetic info. Discuss by way of example ...

**math**

The box has 18 pencils.Divide the box into sixths. 1/6 of 18=? Now do I divide the box in single rows of six and each row there's three pencils? and my answer is 6? Thanks liz.

**math**

). What is 20% of $750.00?

**spanish**

yes your right

**spanish**

yep

**spanish**

yep

**spanish**

yes

**spanish**

it's D

**spanish**

yes

**spanish**

yes

**spanish**

it's B

**Biology**

How did eukaryotic cells develop?

**chemistry**

thank you GK

**chemistry**

If the molar mass of ASA is 180.2 g/mol, how many moles of ASA were stated by rhe manufacturer to be present in the tablet tested? (Manufacturer stated 325mg Set up as Conversion factor) Can someone please show me ho to work it out?

**6th Grade Math**

I don't get it either help us!

**algebra**

sorry its not rationalizing

**algebra**

its called rationalizing the denominator

**algebra**

4 square root 22 over 4square root 2 multiply by 4 square root 12 over 3 square root 18

**algebra**

4√22/4√2*4√12/3√18

**algebra 1**

find the common ratio of each sequence: 1. 8,20,50,125......? 2. 0.48,0.9,1.8,3.6.....?

**chemistry**

thank you!

**chemistry**

Write Sulfuric acid and potassium hydroxide where the products are potassium sulfate and water.

**12th grade**

Write the chemical equation for Sulfiric Acid and potassisum sulfate the product is potassium sulfate and water.

**English**

When typing my essay for school the teacher wants the margins to be 1 1/2 half. How would I type that in the box to change my margins. Would it be 1.50

**Math**

My friend and I are both going to start working. I'm starting Sunday and will have every 9th day off. She's starting Monday (the day after me) and will have every 6th day off. When is the first day we'll both have off to go to the mall? I'll need the formula ...

**calculus**

I did do the sum and difference of the cubes and got these as my partial fractions: A / (x+1) Bx + C / (x^2-x+1) D / (x-1) Ex + F / (x^2+x+1) I got the answer for A = -1/6 and D = 1/6. But I was having trouble with the other variables...

**calculus**

I am working on this problem and having some trouble. We're supposed to use partial fractions. The problem is: integral of dx / (x^6-1) . I got the values of A and D, but I am having trouble with the others. Help please!

**Pre-calculus**

Thanks

**Pre-calculus**

Find the first three iterates of the function f(x)=x^2-2, if the intial value is -2. z(0)=-2 z(1)=(-2)^2-2 or 4-2=2 z(2)=(2)^2-2 or 4-2=2 z(3)=(2)^2-2 or 4-2=2 Answer: z(1)=2, z(2)=2, z(3)=2

**Pre-calculus**

Ok thanks i know where i went wrong

**math**

suppose that a width of a rectangle is 5 inches shorter than the length and the the perimeter of the rectangle is 50 set up an equation for the perimeter invlving only l, the length of the rectangle find the length and width

**Biology**

The part of translation that most closely resembles the assistant's job is Ribosomes. The bricks represent amino acids.

**College Algebra**

Slove 5x+4y=12 for y When graph, this equation would be line. By examing your answer to part a what is the slope and y intercept of this line

**College Algebra**

A tennis club offer two payment options option 1. aaaaaaaaaa442 monthly fee plus $5/hour for court rental option 2. No mothly fee but $8.50/hour for court rental. Let x = hours per month for court time. Write a mathematical model represnt toltal monthly cost, C in terms of x ...

**chemistry**

0.9g glucose

**chemistry**

(1) - A gas is released. - An insoluble substance is produced. - A permanent color change is observed. - A heat energy change is noted. * (exothermic reaction: releases heat) * (endothermic reaction: absorbs heat) * (Light is emmitted) not sure about the other two, sorry

**Algebra II**

find each product and simplify if possible: 9z+5 X 5z ---- ----- 15 81z(exponent 2) -25

**calculus**

A power station and a factory are on opposite sides of a river 50 feet wide. A power line must be run from the station to the factory. It costs 25 dollars per foot to run the cable in the river and $15 per foot on land. Express the total cost as a function of x, where x ...

**11th Grade-math**

A power station and a factory are on opposite sides of a river 50 feet wide. A power line must be run from the station to the factory. It costs 25 dollars per foot to run the cable in the river and $15 per foot on land. Express the total cost as a function of x, where x ...

**math**

4 to 34 I think

**science**

what benefit do liquids have over soilds when trying to react the chemicals?

**6th grade Math**

692 two is under 5 so you don't round up its .69 and 657 seven is over 5 so u round up so .66 understand

**SCIENCE**

what poisonous gas is a result of formaldehyde

**SCIENCE**

HOW DO YOU BALANCE NH4CL + Na2SO4

**SCIENCE**

C SQUARE ROOT OF A/TO THE B POWER