Wednesday
April 16, 2014

Posts by Rachel


Total # Posts: 1,163

calcius
Determine whether the function is linear, constant, or neither y = x3 - x2 + 8 a. Linear b. Constant c. Neither I think it is neither

english
hi Im a senior and my last assignment in english is to write an essay ,If i dont get at least a B on this essay .I wont graduate.... The question : "why do writers often chose "betrayal" as a theme? to prove it chose 2 books ( kite runner and 1984) even if u hav...

Corporate Tax
Alan just immigrated to Canada and owns STARS ltd (US company). Alan owned 100% of shares to STARS ltd. STARS ltd. was incorporated in the US in 2004. Alan wanted to know if he should use STARS ltd or a new company to carry on his business in Canada? He's also not sure whe...

chemistry
what is the balanced chemical equation for aqueous hydrgoen peroxide to produce solid lead (II) sulfate and liquid water?

Physical Science
Thank you Kristi, I really appreciate your response.

Physical Science
Why don't oil and water mix?

Physical Science
Many dry cereals are fortified with iron, how would you prove that?

Physical Science
An acid and a bas react to form a salt which consists of positive and negetive ions. Which forms the positive ions the acid or the bas?Which forms the negetive ions?

Physical Science
Pour vinegar onto beach sand in the Carribian and the results is a lot of froth and bubbles. Pour vinegar onto beach sand from California and nothing happens. Wht?

Physical Science
How do you know I have done no work? Maybe I am checking my results or maybe I just need to see how you get the results you get, I did not want to over write with everything I came up with so I just post the questions, sorry it will not happen again.

Physical Science
What happens to the pH of soda as it loses it's carbonation? Would it effect the taste? Why or why not?

Physical Science
How might warmer oceans accelerate global warming?

Physical Science
What determines whether a material is transparent or opaque?

Physical Science
What do radio wave and light have in commen? What is different about them?

Physical Science
What prevents rainbows from being seen as complete circles?

Physical Science
In which of these cases does a ripe banana apear black, red light/green light or blue light? Why?

world history
who sparked the 30 year's war?

English (Frankenstein essay)
i'm writing the same essay basically and this really helped cos i have no idea what frankenstein is on about tbh, thanks! :)

Physical Science
What kind of motion should you impact to the nozzle of a garden hose so that the resulting stream of water approximates a sine curve?

Physical Science
How does a Doppler effect aid police in detecting speeding motorist?

Physical Science
At the stand of a racetrack you notice smoke from the starters gun before you hear it fire Explain.

Physical Science
Why is an echo weaker than the original sound?

Physical Science
If we double the frequency of a vibrating object what happens to its period?

Geometry
The image of P(-1, 5) under a translation is P'(5, 7). What is the preimage of P? Could someone show me steps on how to do this problem, and the answer please? Thank you.

Pysical science
What is the net magnetic force on a compass needle?

math
How do I complete the square for a quadratic equation? I'm not sure how to do it.

math
Am I foiling this right? The problem is (x-5)^2 and I got x^2-10x-10. Is that right?

Biology
Can someone please help me ! i dont know how to read a gel electrophoresis. thank you

Physical Science
A friend tell you that a refrigerator door beneath it's layer of white painted plastic, is made of aluminum. How could you check to see if this is true withoutscraping away the plastic?

Physical Science
I still don't get it.

Physical Science
When a car is moved into a painting chamber, a mist of paint is sprayed around it. When the body of the car is given a sudden electric charge and the mist of the paint is attracted to it, prsto the car is quickly and uniformly painted. What does the phenomenon of polorization ...

Physical Science
Why does a magnet attract an ordinary nail or paper clip but not a wooden pencil?

Physical Science
What is the net magnetic force on a compass needle? By what mechanism does a compass needle line up with a magnetic feild?

Physical Science
If every iron atom is a tiny magnet why aren't all iron materials themselves magnets?

Physical science
Your right sorry, it is watt-sec.

Physical science
What unit is represented by a. joule/coulomb b. coulomb/second c. watt/second

Physical Science
There are three ways to cook popcorn, list them and relate hoe cooking popcorn is really an example of three ways heat can be tranferred.

Physical Science
What is the purpose of the layer of copper or aluminum on the bottom of a piece of stainless steel cookware?

Physical Science
Thank you drwls, you are a lifsaver!!

Physical Science
Turn an incandescent lamp on and off quickly while you are standing near it. You feel it's heat, but you find when you touch the bulb that it is not hot. Explain why you felt the heat from the lamp?

Physical Science
The heat of volcanoes and hot springs comes from trace amounts of radioactive minerals found in the Earth's interior. Why isn't the same rock at the Earth's surface warm?

Physical Science
In your room are things such as tables, chairs and other people. Which of these things has a temperature lower than air? Greater than air? And equal to the temperature of air?

Physical Science
After a car is driven for some distance, why does the air pressure in the tires increase?

Physical Science
On which temerature scale does the average kenetic energy of molecules double when the temperature double?

Physical Science
A 0.6-g peanut is burned beneath 50 g of water, which increases in temperature from 22degreesC to 50 degreesc. What is the exact food value of the peanut? (Assuming a 40% efficiency)

Physical science
After a car is driven for some distance, why does the air pressure in the tires increase?

Physical science
On a perfect day, you are hovering at low altitude in a hot-air balloon, accelerated neither upward or downward. The total wieght of the balloon, including its load and the hot air in it is 20,000N. Show that the volume of the displaced air is 1700 m3 (Hint:Buoyancy in a Gas)

physical science
A merchant in Kathmandu sells you a solid gold 1-kg statue for a very reasonable price. When you get home, you wonder whether you got taken, so you lower the statue into a container of water and measure the volume of displaced water. Show that for 1 kg of pur gold, the volume ...

math- Triangle facts
Thanks!

math- Triangle facts
Given: 2x-3>7 Prove:x>5 Assume: x<5 or x=5 Using a table with several possibilities for x given that x<5 or x=5 x - 2x-3 1 = -1 2 = 1 3 = 4 4 = 5 5 = 7 It's a contradiction because then x<5 or when x>5, 2x-3< or = 7 So in both cases, the assumption lea...

math- Triangle facts
Explaining the isosceles theorem. Explain why the SAS Inequality theorem is also called the Hinge theorem. the steps for Indirect Proofs and using an indirect proof with an algebraic problem.

math
thanks

math
using a triangle to explain the theorem and giving a good example with one.

math
How can I explain the angle sum theorem? and whats a good example for it?

physical Science
Two people who weigh the same climb a flight of stairs. The first person climbs the stairs in 30 s, while the second person climbs them in 40s. Which person does more work? Which uses more power?

physical science
You are at the front of a floating canoe near a dock, you jump expecting to land on the dock, instead you land in the water. Explain this in terms of momentum conservation.

Government
Today unions (A) have generally experienced a tremendous increase in membership (B) have not succeeded in organizing any white-collar workers (C) are divided into two large organizations, the A.F.L. and the C.I.O. (D) have generally experienced a decline in membership, especia...

French
Hey again, i've made the corrects you suggested...and i was hoping you could proof read just to make sure i did them correctly...Thankz Noël La saison de Noël est l'époque de l'année que je préfère. C’est une fête re...

French
Hi yall. I have been trying to write this paragraph on Christmas and I was just wondering if someone could read it and see if im totally off the mark....thanx yall La saison de Noël est mon temps favori de l'année. C’est une fête religieuse et il y a...

French
Hi, i hope i have correctly made the changes you suggested. I was hoping that you could just re-read it to make sure that i have made all the needed corrections. Thank you so much. :D Noël La saison de Noël est l'époque de l'année que je pr&eacu...

French
THANK YOU SO MUCH..i will repost it when i have made the changes

French
thanks so much for your help :D

French
La saison de Noël est mon temps favori de l'année. C’est une fête religieuse et il y a toujours beaucoup d’activités. Chaque année, je célèbre le Noël avec ma famille et ma famille étendue. L’ann&eacu...

French
Le Noël La saison de Noël est mon temps favori de l'année. C’est une fête religieuse et il y a toujours beaucoup d’activités. Chaque année, je célèbre le Noël avec ma famille et ma famille étendue. L&...

French
Hi yall. I have been trying to write this paragraph on Christmas and I was just wondering if someone could read it and see if im totally off the mark....thanx yall La saison de Noël est mon temps favori de l'année. C’est une fête religieuse et il y a...

geography
What does a coast guard have to do with the study of geography?

Government
Name four broad categories of the Social Security Program and explain the purpose of each category.

Government
Thank you, I haven't been thinking straight lately...

Government
The most extensive series of laws protecting labor were passed: A: by the federal government during the New Deal under Franklin D. Roosevelt B: by state legislatures before the Civil War C: by the federal government in recent years under John F. Kennedy

American Literature
Thank you!

American Literature
Using literary elements, compare and contrast Abigail Adams' letter to her daughter with Jean de Crevecoeur's essay from Letters from an American Farmer.

Science
What is the only continent that traces of ancient human life have not been found?

math
okay i need to find a complamentry angle whos difference is 12 degrees

math
okay i need to find a complamentry angle whos difference is 12 degrees

math
how do i do all partial methed

English
Anybody have a good essay topic for "Sir Gawain and The Green Knight". Thanks for the help!

Math
Why can letters of a Polygon's name be used only once?

subject
Do you mean Wikipedia? Try that one, I like using it.

Phy
When light passes from air to glass, the light may change direction due to refraction. T or F?

German
anyone?

German
True or false: The Reichstag refers to the legislative body or Congress in Germany. ??????????????????????????????????

math
a rectangle has two sets of parallel sides so it cant be that.

math
well, if its not a rhombus or a trapezoid then.... what has two right angles and one pair of parallel sides?

math
what am I? I am a polygon and I have two right angles and one pair of parallel sides. Is it a rhombus? Please help.


osv

History
whats material were Portrait Masks made out of?

Soc. studies
what chemical was used to embalm the organs?

math
the name and birth place of a famous person born in 1893 and why?

Pre Alegbra
I love Pre Alegbra but i don't get it

Punctuation within sentences-hyphen
A bleeping sound came from his pocket it was his mobile phone signalling he would have to respond right away wouldnt he can you help me punctuate this sentence?

math
13.7b-6.5=-2.3b+8.3

Social Studies.
i love chicken

science/chemistry
we did a lab on chemical change, where we had to see how a chemical change affcts mass. so we measure the mass of 20ml of copper solution, and 2cm(cubed) of steel wool, and then we mixed them into a flask. soon the steel wool turned rusy, and broke apart. and the duofilm(which...

physics
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 24 degrees below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a constant acceleration ...

history
do all civilizations have laws?

history
i need as much information on laws that you can give me PLEASE

Geometry
If two angles are congruent, must their supplements be congruent? Thank you, anyone, in advance. c[=

science
if a cyclist is traveling at 20km in a half in hour, is her average speed 1okm pher hour?

accounting
An investment under consideration has a payback of five years and a cost of $1,200. If the required return is 20 percent, what is the worst-case NPV?

Economics
Graph the supply and demand curves of Qd=500 - 2P and Qs = -100 + 3P

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