Friday
April 25, 2014

Posts by sammi


Total # Posts: 111

SCIENCE (Drugs)
(fill in the blank) Addictive drugs produce changes in one particular group of synapses that use the neurotransmitter _______________.

Physics
At 1:00 p.m. a car, traveling at a constant velocity of 80 km/h toward the west, is 31 km to the west of our school.

physics
A diver springs vertically upward with an initial speed of 1.7 m/s from a diving board that is 3.2 m above the water. Find the speed with which she enters the water, assuming completely vertical motion.

Ka
she needed a hook a line that would make the audience feel singers isolation. Q. what is the meaning of the word isolation as it is used in this sentence A. being alone b. being angry c. being restless d. being confused i pic B am i cerrect ?

language arts
Melissa was not going to let Randy own the whole chorus . Q . the sentence means that Melissa ? A. wont let randy decide who will record the song . B. doesnt want randy to write the whole chorus c. wont let randy take credit for writing the whole song d doesnt want to help ran...

language arts
C restless Am i cerrect ?

language arts
she needed a hook a line that would make the audience feel singers isolation. Q. what is the meaning of the word isolation as it is used in this sentence A. being alone b. being angry c. being restless d. being confused i dont understand so can You Give me a hint i think its o...

Maths
Chris spent 1/4 of his money to buy shirt .He spent 1/2 of remaining money to buy shorts.Given that Chris had left $56 left. How mush money did he at first?

physics
If a ferris wheel has the radius of 5 meters, and one revolution takes 32 seconds, what is its speed?

Science
A solution has a density of 3/mL. How many grams are needed to obtain 10.0mL of solution?

MATH
Unit rate for 12.64 for 8 packages of juice

Math-unit rates
Find the unit rate for $27.40 for 4 hours of work

Math-unit rates
Find the unit rate for $27.40 for 4 hours of work

Math-unit rates
160 words typed in 4 minutes?

World History
Anyone know the effects of the Great Plague of Marseilles other than the Act of Parliament of Aix, the Mur de la Peste, and the civilian deaths? Also would 40% be the correct number of the population killed in Marseilles?

Math
help

math
Chicago, Illinois has a longitude of 88 degrees West and a latitude of 42 degrees North. Indianapolis, Indiana is located at 86 degrees West and 40 degrees North. At this longitude/latitude, each degree is about 53 miles. What is the distance between Chicago and Indianapolis.

Law
if ______ on the internet are not adequately phrased the researcher can pull up thousands of sites that are unrelated to the topic at hand a. responses b. queries c. classifications d. codes i think its B is that right?

Psychology
The research of Solomon Asch revealed that: a.participants in the study conformed to the erroneous group response in one-half of the trails. b.all participants in the study conformed to the erroneous group response in each trail. c.participants in the study conformed to the er...

Psychology
oh ok so its C! thanks

Psychology
It may be difficult to sooth a crying baby who needs to be fed and changed with Cuddling and toys. The strength of the physical needs in this situation support: a.secondary drive approach theory b.the incentive approach to motivation c.Maslow’s hierarch of needs d.The lev...

Psychology
disadvantage of group intelligence tests include that a. all test taker must wait until all registered individuals arrive b. proctors are often inconsistent and allow some test takers a longer time to respond or to take testing breaks c. some test taker talk to themselves and ...

Psychology
Teenage mothers who are accustomed to existing on hamburgers, French fries, and cokes need to consider the nutritional needs of the child. Research has shown that a poor diet can: a. restrict the development of eye and hair color. b. produce prenatal hearing loss. c. have adve...

algebra
xy squared-3z all over 3

pre- algebra
The perimeter of a triangle is 24 cm. One side is 2 cm longer than the shortest side. The longest side is 2 cm less than twice the length of the shortest side. Find the length of each side of the triangle.- write equation and solve.

Physics
The human ear canal is approximately 2.3 cm long. It is open to the outside and is closed at the other end by the eardrum. Estimate the frequencies (in the audible range) of the standing waves in the ear canal. Express your answers using two significant figures. If there is mo...

hcs/341
What employment laws have the most effect on health care organizations? Why?

math
what is 200000 times 56 =?

hcs/335.. is this right?
can someone help me i just need to know if it is right

hcs/335
what is the social responsibility of children's hospital boston? isn't it to keep the safety and wellbeing of the patients and people who are injured and for the stem cell isnt it to help them getr sronger and stay alive?

physics
You desperately want to qualify for the Olympics in the long jump, so you decide to hold the qualifying event on the moon of your choice. You need to jump 7.52 m (and conveniently beat Galina Chistyakova's record) to qualify. The maximum speed at which you can run at any l...

hcs/335
thats what i mean i do not uderstand the question, can you elaborate for me?

hcs/335
How might a manager deal with elements of an organization’s culture that are, or are perceived as, inconsistent? Please provide a clear and relevant example.

Microeconomincs
Why does the Average Physical Product curve slope downwards?

economic help!!! please
is there more details about it?

economic help!!! please
what happens to an industry if a firm is making large economic profits?

economic help!!!
what happens to an industry if a firm is making large economic profits?

algebra
determaine if the two lines are parrallel , perpendicuar, or neither. line a: y = 4x line b: x + 4y = 2

Us History
In a well developed paragraph respond to the following. After reading about yellow journalism, explain how the media may or may not influence American foreign policy? Basically, what affect can the media have on the government’s decisions? Be sure to state specific exampl...

SCIENCE
oh. i was wondering what that light was and when i would poke it it didnt do anything.. thanks

SCIENCE
HELP ME!! EVERYONE IS MAD AT ME BCUZ THEY THINK I AM YELLING AT THEM BUT REALLY MY COMPUTER WILL ONLY DO BIG LETTERS! IF THERE IS A SOLUTION TO THIS PLEASE HELP ME. THIS IS NOT A JOKE.

COMPUERS
HELP!!!!! MY KEYBOARD IS STUCK ON CAPS LOCK AND ALL MY FRIENDS ARE MAD AT ME BECAUSE THEY THINK I AM YELLING! PLEASE TELL ME HOW TO GET MY KEYBOARD OFF OF CAPS LOCK!! ITS RUINING MY LIFE!!

7th grade
There is 1 L to every 1000 mL so if you divide the 1.5L by 1000mL you get 0.0015. If you need it in scientific notation that would be 1.5x10^-3.

Chemistry
YES! THANK YOU THANK YOU THANK YOU!

Chemistry
a compound has an empirical formula of C3H5O2 and a molar mass of 145,14g. what is the molecular formula of this compound?

Spanish
Mi hermano quiere jugar al futbol. The verb quieren is in its plural form. It has to conjugate to quiere.

Math (Geometry)
So then why was n12 mentioned..? Sorry I have trouble with geometry.

Math (Geometry)
A rectangle has a perimeter of 12 m. If each side is a whole number of meters, what are the possible dimensions for the length and width? List them and explain your answer.

5th grade Math
A rectangle has a perimeter of 12 m. If each side is a whole number of meters, what are the possible dimensions for the length and width? List them and explain your answer.

english
please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and the artist as som...

english
please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and the artist as som...

english
please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and the artist as som...

english
please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and the artist as som...

science
Which of the following materials would not be important to a protozoan? a) enzymes b) oxygen c) water d) blood e) carbohydrates Is is enzymes?

calculus
use a(t) = -32 ft per second squared as the acceleration due to gravity.An object is thrown vertically downward from the top of a 480-ft building with an initial velocity of 64 feet per second. With what velocity does the object hit the ground? This type of problem always show...

science
Which of the following materials would not be important to a protozoan? a) enzymes b) oxygen c) water d) blood e) carbohydrates Is is enzymes?

science
Where are the enzymes maltase, sucrase,and lactase produced? Is it the small intestine?

Math-Geometry
I'm having trouble with these two questions about slopes and equation of a line: (A)-Find the slope of each segment (B)-Write an equation of the line that is determined by each pair of points 1. (0,0) and (6,-4) 2. (-3,2) and (7,-4) Thank you!

science
Secretin a) stimulates the release of alkaline products by the pancreas b) stimulates the gastric juices c) is released by the salivary glands d) decreases the stomach's churning activity e) stimulates the release of digestive enzymes I think that the answer is e after doi...

Math
The perimeter of a rectangle is 74 centimeters. The width is doubled and the length is halved. The new rectangle has a perimeter of 76 centimeters. Find the dimensions. Okay, so in class we're learning about Systems of Equations. What are the equations for this? How do I d...

english
need to change all 1st and 2nd person pronouns to 3rd person pronouns for the following: We animals are the most complicated things you will find in the known universe. The universe that we know, of course, is a tiny fragment of the actual universe. There may yet be more compl...

French
does "rester debout" mean to remain standing? if so, could i say I was very embarrassed because i remained standing while the rest of the class sat down : j'ai été très gêné parce que tout le monde dans la classe s'est assis ...

french
thanks!

french
how would i use "battre" in a sentence. does it mean to fight with someone- so you would use it with avec or does it meanlike someone beat a disease?

calculus
how to i evaluate the integral of dx/ (x^2 +9) with a u substitution of x/3? Can someone show this step by step?

social studies
computers,newspapers,radios,television,etc...

social studies
explian how communication has made a difference in advertising. i think beacusue now the advertising could spread more faster

History
Can anybody help me find some primary sources on the typewriter?

History/Lang Arts?
Is there a word that describes how you express an idea? I am doing a project on the typewriter and I want the heading to be something like "The changing of..."

U.S History- 8th grade
What was the major difference between the three regions? (geographical difference) The regions are england, middle and southern.

U.S History- 8th grade
What was the geography and economy like in the England colonies, middle colonies, and southern colonies? Do you guys know any good websites to check out?

8th grade history
Okay, thank you soo much!

8th grade history
Name three reasons people left England to come and colonize the New World. They wanted riches, land, and place to start a new life. What happened to the people of Roanoke? They disappeared, and no one knows why or where they went. Are my answers right? I'm not very good at...

math
let x= t^2 + t and let y=sint a) find the deriviative as a funciton of t b) find d/dt(dy/dx) What does part b even mean and can someone show me how to figure this out?

science
If waste products of an aquatic single celled organism were released by the organism into the pond, how would that affect the organism’s ability to obtain oxygen from the pond water?

math
find the deriviative of (4/3pi)(sin3t) + (4/5pi)(cos5t)

math
how do i find (d^725/dx^725)(sin x) is this a derviative problem? can someone help me solve it?

health
i was wondering whether anyone came accross a tory in a newspaper or magazine recently about something unbelievable related to health. I have to facilitate a discussion in my life ed class about a health topic and i thought i would find an unbelievable story that is really int...

health
i was wondering whether anyone came accrossa fascinating storiy in a newspaper or magazine recently about somethin unbelievable related to health. I have to facilitate a discussion in my life ed class about a health topic and i thought i would find an unbelievable story that i...

math
on earth, in the absence of air, the rock in excersise 13 would reach a height of s=24t- 4.9t^2 meters in t seconds. How high would the rock go? (exercise 13:a rock thrown vertically upward from the surface of the moon at a velocity of 24m/sec reaches aheight of s=24t-0.t^2.

math
the position of a body at time t sec is s=t^3 - 6t^2 + 9t m. Find the body's acceleration each time the velocity is zero.

english
what are phrases that mean someone has gone crazy: My first example: See flew way over the cucoos nest

science
Question: what do you think will happen to the rate of reaction if the concentration of enzyme is increased to five drops?Predict what thte rate would be for 5 drops. Answer:Roughly, the rate doubles when the concentration of enzyme doubles. Since the data are somewhat linear,...

BIOLOGY EEI
needing some ideas on an extended experimental investigation on how chemicals stimulate plant growth (maybe a crop or vegetables)

4th grade
Does anyone know of some websites that I could use to help build a medieval castle for my project.

social studies
Does anyone know of some good websites that I could find how to build a medieval castle for my grade four project on medieval times.

Chemistry
Developement of avogadro's number/mole concept?

BIOLOGY
What is an intestine with spiral value? What is a ventral mouth? :)

Science/English
In conclusion, people started out with books, and quills. Today, we have laptops, cell phones, and i-pods. In about 2,000 years from now I think we will have robots, or computers that can do more things.

Science/English
In the future, I think we are going to have computers that can control everything in the house. Imagine turning off all the lights in the house by just pushing a button. Or maybe even cooking dinner? Computers might even be like robots. There has been alot of change during the...

Science/English
The computers today contain information like books. It has a built in calculater like the Abacus and Pascaline. People can type on computers using the same letter order as typewriters. Computers are also used for printing, communicating, buying/selling and finding locations. I...

Science/English
People first got information by reading books. The Abacus, and the Pascaline were invented for counting numbers. Christopher Sholes invented the typewriter so that people could type. A computer replaces all these things. Without them the computer wouldn't have been invente...

Science/English
My presentation is about how computers have changed from the past to the present. Then what I think is going to replace the computer in the future. People first got information by reading books about the subject. Later, the computer was invented because people needed to get in...

Science/English
Here is my Science presentation, I'm having trouble with the last two sentences. What would you put as the last two sentences? Computer Technology My presentation is about how computers have changed from the past to the present. Then what I think is going to replace the co...

History
Whoa, thats alot of years!! Thanks!

History
How many years has it been since the first century to today?

physics
A transfer of heat occurs with a pot of 8.0 kg of water that changes from 400 degrees kelvin to 320 degrees kelvin. How much heat is absorbed or given off?

physics
i'm not very good at physics and i have an exam tomorrow!! for the first one do i use the formula F=-Kx to make the answer -4500 ? and for the second i really have no idea what formula to use what is the value for k if a spring stretches 0.4m when submitted to a 1800N forc...

physics
i'm not very good at physics for the first one do i use the formula F=-Kx to make the answer -4500 ? and for the second i really have no idea what formula to use

physics
what is the value for k if a spring stretches 0.4m when submitted to a 1800N force? How much force is needed to keep a 23 kg box moving at a constant velocity across a warehouse floor if the coefficient of friction between the box and the floor is 0.88?

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