Questions Asked on
February 24, 2010

chemistry
The following errors occurred when the above experiment was carried out. How would each affect the calculated molecular mass of the solute (too high,too low, no effect)? Explain your answer. (a) The thermometer uses actually read 1.4C too high.
asked by chuchuchulu 
biology
for the hardyweinberg equation, is p always for the dominant allele and q recessive? is the value of p always greater than q?
asked by barb 
Advanced Chemistry
What is the (name of the) molecular structure of AlCl3NH3 ?
asked by Inga 
Accounting
Given the data, would you have invested in Quality Department Store in 2006? Explain why or why not. Summarize your analysis of the financial data to support your reasoning. What recommendations would you make to improve the financial health of this
asked by Joe 
chemistry
Molecular Mass by Freezing point Depression (Preliminary Lab) The following errors occurred when the above experiment was carried out. How would each affect the calculated molecular mass of the solute (too high,too low, no effect)? Explain your answer. (a)
asked by chuchuchulu 
biology
why aren’t there vaccines for every disease?
asked by Leah 
biology
Will O2 passively diffuse and bind with hemoglobin that is less than 1mm from the surface of a blood sample? The percent of hemoglobin bound with O2 is different at high (10% CO2) and low (5% CO2) CO2 concentrations when the Po2 equals 0mmHg. Is that true?
asked by Alex 
math
Bill, Ernie, Oscar, Sammy and Tony are the five basketball players on the starting team of the varsity squad. Each one is known by a different one of these five nicknames: Slats, Stretch, Tiny, Tower, and Tree. From the information given, determine the
asked by jacob 
math
find the derivate of the function Y=(2x+3)^4(3x+1)^2?
asked by vic 
hum 205
You are in charge of marketing and advertisement at your local art museum. Next month, the museum will be hosting an exhibition on the social role of the arts in early Chinese and Japanese civilizations. · Create a 2page, informative newspaper
asked by chelle 
math
Bill, Ernie, Oscar, Sammy and Tony are the five basketball players on the starting team of the varsity squad. Each one is known by a different one of these five nicknames: Slats, Stretch, Tiny, Tower, and Tree. From the information given, determine the
asked by jacob 
college
One mole of oxygen gas is at a pressure of 5.10 atm and a temperature of 32.0°C. (a) If the gas is heated at constant volume until the pressure triples, what is the final temperature?
asked by Anonymous 
algebra
3x514/(1)
asked by rahab 
Algebra
2(x+5)/(x+5)(x2) = 3(x2)/(x2)(x+5) + 10/(x+5)(x2) I know I have to get 2(x+5) = 3(x2) but I don't know the intermediate steps. I tried canceling out to get 2/(x2) = 3 + 10 / (x+5) and gross multiplying but that wouldn't make sense.
asked by Zoe 
calculus II
I have the function f(x)=e^x*sinNx on the interval [0,1] where N is a positive integer. What does it mean describe the graph of the function when N={whatever integer}? And what happens to the graph and to the value of the integral as N approaches infinity?
asked by Paul 
chemistry
How many grams of steam at 100 Celsius would be required to raise the temp. of 35.8 g solid benzene, from 5.5 Celsius to 45.0 Celsius???
asked by pgarcia 
Chemistry
How do I know which of these .1M solutions will have a pH less than 7? KF, NH4I, NaH2PO4, Fe(NO3)3 I am guessing all but KF is acidic...but if someone could confirm this and explain why that would be helpful
asked by Mark 
Chemistry
What is the solubility of calcium iodide (in g per 100 cc of cold water)?
asked by Jeanna 
chemistry
In the reaction A to products, A is found to be 0.489 M at t=72.0 s and 0.468 M at t=82.2 s What is the average rate of the reaction during this time interval? Do I take the Ln (0.468/0.489) = 0.04395 / 10.2 = 4.3 * 10^3. yet the comp says its wrong. i
asked by david 
chemistry
When the glucose solution described in part A is connected to an unknown solution via a semipermeable membrane, the unknown solution level rises. Based on this information, what can be said about these two solutions? a.) The unknown solution had the lower
asked by david 
Math
Factor any difference of two squares, or state that the polynomial is prime. Assume any variable exponents represent whole numbers. x2  100
asked by ReRe 
Math
Multiply using the rule for the product of the sum and difference of two terms. Assume any variable exponents represent whole numbers. (x  y + 11)(x  y  11)
asked by ReRe 
Math
Multiply the monomial and the polynomial. Assume any variable exponents represent whole numbers. 5x2y(11x2y4  12xy3  4)
asked by ReRe 
math
A rectangular park measuring 35 yards by 24 yards is surrounded by a trail of uniform width. If the area of the park and the trail combined is 2420 square yards, what is the width of the path?
asked by ReRe 
nutrition
What are some current nutritional issues, such as obesity or malnutrition, that can affect school student?
asked by flowerpower 
Math
Given the polynomial functions, find the product function and the specified value. Let f(x) = x + 2 and g(x) = x  10. Find (fg)(x) and (fg)(5).
asked by Rema 
Math
Multiply using one of the rules for the square of a binomial. Assume any variable exponents represent whole numbers. (11x  y)2
asked by Rema 
Math
Factor the greatest common factor from the polynomial. Assume any variable exponents represent whole numbers. 12xy + 20xz  8xw
asked by Rema 
Math
Factor the greatest common factor from the polynomial. Assume any variable exponents represent whole numbers. 20x9  20x7  16x2
asked by Rema 
chemistry
When the glucose solution described in part A is connected to an unknown solution via a semipermeable membrane, the unknown solution level rises. Based on this information, what can be said about these two solutions? a.) The unknown solution had the lower
asked by david 
math
how many months in 7 & 1/2 years?
asked by Nik 
Finance  market varience
Find how many times the market variance is of the SD of a portfolio half in the riskfree security and half in the market. The market variance is .25 times (.5 x .5 = .25). Is my answer correct?
asked by Anonymous 
biology
Why might it be worse to get an infection from someone in the hospital than from someone on a bus? is it because how bad the infection is, usually people that are in the hospital are in bad condition
asked by Erik 
BIOLOGY
The 1918 Influenza Epidemic was the worse one on record. People infected early in the epidemic had a mild flu, while those later infected had a much more severe form of the disease. What is the explanation for this observation and what laboratory studies
asked by RITA 
BIOLOGYDNA FINGERPRINTING
Okay soo i'm confused on DNA fingerprinting, i know what it is and everything but why do they call it DNA fingerprinting when a fingerprint is only a mark left by the person?
asked by SAMMEHH 
English
Is there a difference between an ELL learner and a struggling reader? I say that to a certain degee there is a difference because an ELL students and a struggling reader. In a sense they both must understand the concept of another language. What is your
asked by B.B. 
english
I need help with my annotated bibliography thesis for Maya Angelou!!!!!!!? It is for a research paper. I has to include a bibliography of Maya Angelou and 3 of her works. I just need help with the thesis for the annotated bibliography.
asked by Heidi 
marketing
identify three problems that a marketing communicator must solve when creating an advertisement.
asked by denise 
Physics
A rectangle with sides (a=1m) and (b=2m) has a set of discrete charges at the following locations: upper left: q =1nC lower left: q = 1nC lower right: 2q = 2nC Find the Coulomb force on a charge of q =1nC at the upper right hand side of the rectangle.
asked by Jake 
physics
How do i determine the volume displaced when given mass and volume of an object.
asked by Cory 
writing
Hello. I could really use some help with my ESSAY. If anyone could tell me what they think of it and if anything needs corrected. Thanks Jess Well I guess the best place to start is the beginning. I was born in Kentucky, but only lived there for five
asked by Jess 
Improving Your Writing
Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial
asked by SASSY 
calculus
Posted by Paul on Friday, February 19, 2010 at 3:57am. I have the function f(x)=e^x*sinNx on the interval [0,1] where N is a positive integer. What does it mean describe the graph of the function when N={whatever integer}? And what happens to the graph and
asked by Paul 
english
They plan/planned to leave for the woods at 2 o clock in the afternoon. which one is correct?
asked by Susan 
Speech
Does the sentence "Standing on a chair, I was just able to reach the high window." demonstrate correct use of modifiers?
asked by Sara 
speech
Is the phrase Don't forget marketing plan in parallel form?
asked by Sara 
Managerial Accounting
Instead of sales of 10,000 pair of skis, revised estimates show sales volume at 12,500 pair. At this new volume, additional equipment, at an annual rental of $10,000 must be acquired to manufacture the bindings. This incremental cost would be the only
asked by Anonymous 
english
Many people doesn't /didn't /don't like him. Which ones are correct?
asked by Susan 
2nd grade
in what from is iron usually found under the ground .. please help me
asked by help !!! 
Global History
How was the West impacted by imperialism?
asked by Brenda 
english
CAN SOMEBODY PLEASE HELP ME WRITE THE REST OF THIS ESSAY. I DON'T KNOW WHAT ELSE TO WRITE AND MY ESSAY IS DUE TOMMOROW. BY THE WAY THIS ESSAY IS NOT ABOUT ME ITS ABOUT SOMEBODY I KNOW. IM JUST TELLING IT IN FIRST PERSON. Ive made a fair deal of bad
asked by Anonymous 
Geometry
I would greatly appreciate any help I can get with this problem. I need to find the volume of a right triangular prism. The sides of the triangles measure 2cm and the length of the prism is 10cm. I found the surface area to be 64sq cm...is this correct?
asked by Nicole 
english
what is the adjective in the sentence She brought an apple for snack
asked by april 
algebra
your high school golf team shot rounds of 68, 70, 72, 78, and 84. if par for the course was 71, how many shots was the team over par?
asked by brina 
cenntennial middle
what would have caused the us navy to develop the invisible ink describe in the last paragrah?
asked by brandell 
literature
In the Odyssey, Part 2, what danger do Scylla and Charydbis pose to Odysseus and his crew?
asked by salem 
algebra
solve for y: 1. 3x+2xy=10 2. 1/3x3/4y=6
asked by brina 
english
Winds stampeding the feilds under the window . Floundering back astride and blinding wet. Till day rose; then under an orange sky. ~ comment on the poets use of sentance structure i have no idea how to answer this could you please help me ?
asked by Kerryann 
physics
A 6.0kg box is raised a distance of 3.0m from rest by a vertical applied force of 80 N. Find (a) the work done on the box by the applied force, (b) the work done on the box by gravity, and (c) the final kinetic energy of the box.
asked by carrie 
physics 2
how much excess charge must be placed in a copper sphere so that its electric potential relative to infinity is 150kv radius 0.125 m b)what is the potential of the surface relative to infinity
asked by Anonymous 
Math
A coin bank contains only nickels,dimes, and quarters. the value of the 19 coins in the bank is $2.00. There are twice as many nickels as dimes. Find the number of each type of coin in the bank. How do you solve this?
asked by Jason 
Mathematics
A solution is mixed with a 12% acid solution to form a 16% acid solution. How many liters of the 20% acid solution are used to make 10 liters of the 16% acid solution?
asked by Matthew 
math
how do you solve factoring the binomial by grouping (x +3)y = (x+3)6=
asked by namisha 
Molecular biology
What is the importance of the tertiary structure of a tRNA? I know the structure, but I'm not sure what is the importance of it. Is it stabilization?
asked by Zoe 
Math
how do you solve: 2A^27a15
asked by Ben 
Physics
If a proton is released from rest in a uniform electric field does electric potential at its position increase, stay the same, or decrese?
asked by Sara 
PHYSICS
A mobile postive point charge is located between two parallel charged plates of charge densitys +o (top plate) and o (bottom plate) at a distance d from the negative plate.the distance doubles (becomes 2d)between the negative (bottom) plate and the mobile
asked by Michael 
algebra
I have been trying to solve this question, and I am not getting the right answer. I need to do Grouping 5x^3+5x^2x+1
asked by Anonymous 
algebra 2
solve the equation: 1. 1/2a+2/3=(1/3)a3/4
asked by selin 
Physics
A car travels at an average speed of 83.2 km/h for 1.00 h and then at an average speed of 42.4 km/h during a second hour. What is the car's average speed during the 2.00 h interval? A car travels 0.98 km at an average speed of 83.2 km/h and then 0.99 km at
asked by Delilah 
Physics
A baseball player hits a line drive. Just before the ball is struck, it is moving east at a speed of 43.2 m/s (97 mi/h). Just after contact with the bat, 9.30 104 s later, the ball is moving west at a speed of 52 m/s (116 mi/h). Find the ball's average
asked by Delilah 
Physics
An elevator is initially moving upward at a speed of 11.04 m/s. The elevator experiences a constant downward acceleration of magnitude 3.84 m/s2 for 3.06 s. (a) Find the magnitude and direction of the elevator's final velocity. (b)How far did it move
asked by Delilah 
physics
how to calcula distance of a object in free fall if only the time it reaches the ground is given
asked by kgomo kgothatso 
Physics
The brakes are applied to a car traveling on a dry, level highway. A typical value for the magnitude of the car's acceleration is 5.35 m/s2. If the car's initial speed is 29.1 m/s, how long does it take to stop and how far does it travel, starting from the
asked by Delilah 
Physics
You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 4.50 m/s, directed downward, and it hits the ground 2.04 s after it is released. Find the height of the balcony.
asked by Delilah 
algebra
Melanie’s house is worth $125,000, but she still owes $78,422 on her mortgage. She has $21,236 in a savings account, and $9,477 in credit card debt. She owes $6,131 to the credit union, and figures that her cars and other household items are worth a
asked by axia 
Geometry
If the edge of a cube is doubled, the volume is?... a. half as much, b. doubled, c. quadrupled, d. none of these
asked by Nicole 
PHYSICS
Humid air breaks down electrically when its molecules become ionized. this happend in an electric field E=3*10^6 N/C. In that field, calculate the magnitude of the electric force on an ion with a single positive charge. ..when they say a single positive
asked by Lauren 
geography
I need to find a major industry in the north italian plain. I have typed it in a few search engines but I have yet to find an answer. Please help.
asked by Janey 
Biology
39. Proteins are manufactured from the "blueprints" found on DNA. After they are translated, they are moved through a system of internal membranes before being distributed throughout the rest of the cell. At some point in this process, they are modified to
asked by mysterychicken 
Social Studies
"Spreading light...without taking part in the affairs of the world...seeing as a trap...all expantion into Africa or the Orientfor a great nation to live this way, believe me, is...in less time than you may think, to sink from the first rank to the third
asked by Jenn 
Geography
Please can you tell me whether the north italian plain or the south of italy would have a) hydroelectric power available b) few natural resources. I cannot find the answers to them. One answer goes on north and one on south. Please help.
asked by Janey 
Math
A coin bank contains only nickels,dimes, and quarters. the value of the 19 coins in the bank is $2.00. There are twice as many nickels as dimes. Find the number of each type of coin in the bank. How do I solve this?
asked by Jason 
us history
Although Susan B. Anthony's actions were directly related to women's voting rights, how does her call for action later apply to other groups?
asked by Christopher 
Calculus
I saw this question asked, but I didn't understand the answer format. My prof doesn't use dx and dy after he has differentated the problem. He just uses (for example) 8x+2+y+xy(prime) The question is this: 4x^2+2x+xy=12 and y(2)=4 find y(prime)(2) by
asked by Elisabeth 
12th grade
a tortoise and a hare are running in a race you are asked to prepare graps similar to those in your reading material to graph the progress of each animal during the race. as in the text, distance is the vertical scale of your graph and time is the
asked by pam turner 
6th grade math
can a rectangle with sides 2 and 4 be similer to a triangle with sides 2 and 3? can you please explain this?
asked by Lisa 
Business
What is the most popular ERP (Enterprise Resource Planning) and CRM (Customer Relationship Management) packages on the market today?
asked by unsure 
Environmental Science
Describe the major problems in today's large cities and the cause of these problems?
asked by lisa 
Algebra
Flying with the wind, a small plane flew 360 miles in 2hours. Against the wind, the plane could fly only 300 miles in the same amount of time. Find the rate of the plane in calm air and the rate of the wind. I cant figure out how to solve this. Please help
asked by Meghan 
4th grade
Use geometric terms to describe how a rectangular prism and a cube are different.
asked by Ayla 
biology
15. Imagine you have a sibling that needs a kidney transplant. You offer to give your kidney. What reaction against the red blood cells in the donor kidney would occur if you had different blood groups? Even if you had the same blood groups why might you
asked by sadaf 
6th grade math
can a rectangle with sides 2 and 4 be similer to a triangle with sides 2 and 3? can you please explain this?
asked by Lisa 
college
if an object sinks in a particular fluid,the weight density (weight/volume) of the object will less than, equal to, or greater than, the weight density of the fluid
asked by tammy 
geometry
EF is a median of trapezoid ABCD. If the length of EF is 14x, and the length of CD is 20x, what is the length of AB in terms of x?
asked by Anonymous 
MATH  4th Grade
Can you help me with this... Use geometric terms to describe how a rectangular prism and a cube are different.
asked by Ayla 
physics
imagine that you are a fish underwater. when you look up to the surface of the water you can see the sky and also the bottom of the pool. Try to explain this unsual view. A ray diagram might help
asked by Anonymous 
western history
Identify, by number, the medieval individuals who were known by the following names: 1. Unraed. 2. Forkbeard. 3. Bloodaxe. 4. the Boneless. 5. Ironside.
asked by jerson 
Physics
Orin and Anita rush a 60kg man from the scene of an accidnet, carrying him on a uniform 3kg stretcher held by the ends. The stretcher is 2.6m long and the man's center of balance is 1m from Anita. How much force must they both exert to keep him horizontal?
asked by Tiffany 
Physics
Orin and Anita rush a 60kg man from the scene of an accidnet, carrying him on a uniform 3kg stretcher held by the ends. The stretcher is 2.6m long and the man's center of balance is 1m from Anita. How much force must they both exert to keep him horizontal?
asked by Tiffany 
Physics
A 1.0 × 10−6 C test charge is 40.0cm from a 3.2 × 10−3 C charged sphere. How much work was required to move it there from a point 1.0 × 102 cm away from the sphere? what formula(s) should be used to calculate work...?
asked by Lauren 
Chemistry
An aqueous solution contains two solutes, A and B. A is soluble in hexane, B is not. Hexane is liquid at room temperature and does not mix with water. The density of hexane at room temperature is 0.7 gdm3. Describe, giving full practical details, how you
asked by JoseAnn 
english
What are the philosophical positions evident in Oedipus Rex?
asked by kayla 
physics
How much kinetic energy is gained by an electron that is allowed to move freely through a potential difference of 2.5 × 104 V?
asked by Lauren 
Algebra
Flying with the wind, a small plane flew 360 miles in 2hours. Against the wind, the plane could fly only 300 miles in the same amount of time. Find the rate of the plane in calm air and the rate of the wind. I cant figure out how to solve this. Please help
asked by Meghan 
grade 12 chem
hi, does anyone know any good websites on practicing reactions of hydrocarbons?
asked by tim 
Physics
An electron is accelerated horizontally from rest in a television picture tube by a potential difference of 1.00 × 104 V. (a) Find the final velocity after the original acceleration period. (b) It then passes between two horizontal plates 6.0 cm long and
asked by Dave 
Environmental Science
#52. In two or three welldeveloped paragraphs, list and describe the importance of the four steps in a simple environmental decisionmaking model. my answer: A decisionmaking model is a conceptual model that provides a systematic process for making
asked by y912f 
math
different ways to come up with 100  25 x 4, 10 x 10, etc.
asked by Joan 
environmental science
1. How has the size and location of big cities changes since the year 1900?
asked by amanda 
Environmental Science
1. How has the size and location of big cities changes since the year 1900? 2. Describe the major problems in today's large cities and the cause of these problems. 3. What can be done to help solve these problems? 4. You may never live in a big city, but
asked by lisa 
goemetry
can the following formula to find the sum of the interior angles of a polygon be used on a concave polygon? 180(n2) where n= the number of sides
asked by mike 
grade 12 chem
hi, does anyone know any good websites on practicing reactions of hydrocarbons?
asked by tim 
Environmental Science
4. You may never live in a big city, but we must all find ways to lower our environmental impact. What can the average citizen do with a minimum of cost and inconvienence to become more environmentally friendly?
asked by lisa 
math
compare the units for primmeter,area,and volume how are they diffrent and how are they the same
asked by alexa 
Environmental Science
#54. In two or three welldeveloped paragraphs, define and list two characteristics of each of the following: coastal wetlands, coral reefs, and oceans. I'm not sure what it means by defining and listing two characteristics. here's my answer: Coastal
asked by y912f 
grade 12 chem
hi, does anyone know any good websites on practicing reactions of hydrocarbons?
asked by tim 
PHYSICS
What is the magnitude of the electric field between two large parallel plates 2.0cm apart if a potential difference of 450 V is maintained between them?
asked by Anonymous 
com 220
Ceckpoint Introduction and conclusion. I am having a problem with writing an introduction for my research paper and a conclusion. My research paper is about education. But my professor said it has to be in a rough draft what does that mean. can somebody
asked by ana 
MATHS
The sides of a square were reduced from 10 cm to 7.5 cm. What is the percentage decrease in the area of the square?
asked by BRYAN 
English
Can you please help me check these sentences? Some of them don't make sense at all.I tried to check some of them though. 1) Brutus has a strong sense of republican liberty 2) Brutus fears what Caesar could (would/may) become if he were crowned. 3) He is
asked by Franco 
math
what did the baby porcupine say when it backed into a cactus?
asked by Anonymous 
ENGLISH
CAN SOMEONE HELP ME WITH WRITING AN EPIC POEM ABOUT A HERO? MY ASSIGNMENT IS DUE MAR. 1. IT HAS TO BE 4 PAGES LONG.
asked by ANDREW 
math
HOW DO i SET THIS UP AS A PROPORTION? 2,640 FT=X MILES
asked by aLI 
math
A jar is half full of vinegar and another jar twice its size is one quarter full of vinegar. Both jars are then filled with water. The contents are mixed in a third container. What part of the mixture in the third container is vinegar?
asked by Anonymous 
Calc
What is the integral of sin(x)*tan^2(x)? thanks
asked by Michael 
environmental science
Describe the major problems in today's large cities
asked by Chelsea 
5th grade
A jar is half full with vinegar and another jar twice its size is one quarter full of vinegar. Both jars are then filled with water. The contents are mixed in a third container. What part of the mixture in the third container is vinegar?
asked by Anonymous 
ALGEBRA
add (r7s+2)+(4r+6s)+(s+5) do i add like terms: (4r^2)+(2s)+(7)
asked by GGIFT 
English
I forgot to include the following statements. 1) He decided to raise a tempest in order to make them been shipwrecked (??)make them be shipwrecked? 2) The island had been put under a spell by the witch Sykorax,who locked up some spirits in bodies (??) of
asked by Franco 
environmental science
What can be done to help solve problems about major problems in large cities?
asked by amanda 
operating system
Consider a user types a document with a speed of 100 words per minute. Assume that an average word consists of 5 letters and ends by a break which can be a space, new line, TAB, or punctuation, and an average sentence consists of 20 words. Assume that a
asked by Priya 
Organic Chemistry
Suppose your assignment were to prepare the Glaser type product of a mixed reaction of a phenyl acetylene and propyne. How might the procedure in this experiment be modified so that the mixed product can be most efficiently isolated?
asked by Max 
environmental science
You may never live in a big city, but we must all find ways to lower our environmental impact. What can the average citizen do with a minimum of cost and inconvienence to become more environmentally friendly?
asked by amanda 
reading/science
we have to readsearch in the plants i have the the plant uranus and i'm wondering if you can give me some websites
asked by kate 
science mathmatics
Can you calculate the work needed to lift a 20.0N book 2.0m
asked by Imran 
environmental science
what can be done to improve economic issue in cities
asked by amanda 
5th grade
What are these words? _:pants::pencil:eraser. plz help me!
asked by HELP! 
6th Grade Math
Sara purchased a 24 oz tube of toothpaste for $6.95. What did she pay per ounce WORK THIS OUT THANKS
asked by Melea 
math
what is 4/7 devidid by 1 1/7+5
asked by rosalia 
5th grade math
The length of a rectangle is a multiple of 5in. The width is 4.8 in. The area is between 80in.2 and 100in.2 What is the length of the rectangle? I an really confused on this problem! Please help & explain. thanks
asked by Meghan 
algebre II
Factor and solve: 4x^332=0 Please so work so I can finish on my own with an example problem. Thanks!
asked by Savannah 
Business
Small companies typically have difficulty competing against large multinationals when their governments take part in regional trade blocs. What could governments do to help their small companies compete after the formation of such blocs
asked by SUE 
Economic
Interest rates for all types of credit are A. set by the state government B. set by the federal government C. set by commerical banks D. regulated by state and federal laws I think the answer is c
asked by pam 
science
How does oxygen production relate to the rate of photosynthesis?
asked by matt 
11th grade
Factor f(x) = x^4 + x^3 – 8x^2 + 6x + 36 completely. Show all steps.
asked by david 
calculus
Consider the function below. g(x) = 2  x^3 (a) Find g'(0). (b) Use it to find an equation of the tangent line to the curve y = 2  x^3 at the point (0,2).
asked by Rob 
classroom instruction
Explain how a teacher can monitor student homework o Identify a timeefficient way to monitor independent student work (other than a student raising a hand to signal a need for help). o Describe two ways to refocus student attention when students are
asked by scooby 
calculus
A particle moves along a straight line with equation of motion s = f(t), where s is measured in meters and t in seconds. Find the velocity and speed when t = 9. f(t) = t ^1  t
asked by Rob 
ALGEBRA
Suppose it takes 3 days for a space vehicle to travel from the Earth to the moon. About how long would it take the same vehicle traveling a the same speed to reach Neptune?
asked by GGIFT 
calculus
This limit represents the derivative of some function f at some number a. Select an appropriate f and a. 1f(x) = x4, a = 4 f(x) = x1/4, a = 4 f(x) = x1/4, a = 256 f(x) = ãx, a = 256 f(x) = ãx, a = 16
asked by Rob 
MATH
f(x)= 3x+9/(x^2100) If this function has a horizontal asymptote, give its yvalue Find the xintercept(s). Find the yintercept
asked by Andrew 
physics
A 24µF capacitor has an electric potential difference of 30 V across it. What is the charge on the capacitor?
asked by kjhlkj 
physics
A 9.1µF and a 6.8µF capacitor are each charged to 2.5 multiplied by 104 C. Which has the larger electric potential difference?
asked by kjhlkj 
math
88 is 32% of what number
asked by Heather 
math
Money is deposited in an account for which the interest is compounded continuously. If the balance doubles in 6 years, what is the annual percentage rate? Can someone show me how to set this up? I have to use the equation: M(t)= Ce^(kt). Thanks.
asked by ciara 
Writing
please assist me with writing a good report. My grades are really low and i need this report to be great. I have to write on Black history Report on Black abolitionist,politicians and military.The letters I have is SZ like al sharpton. please give me some
asked by keysha 
math
would (3x^4/15)^2 be x^8/25 when finally simplified?
asked by Annie 
Chemistry
Assuming complete dissociation of the solute, how many grams of KNO_3 must be added to 275mL of water to produce a solution that freezes at 14.5C? The freezing point for pure water is 0.0 C and K_f is equal to 1.86 C. Delta T= Kf*m*i i=2 m=3.90 solvent
asked by Melanie 
Social Studies
what are the requirements of a pilot
asked by Kayona 
math
i am having a minor difficulty i've been stuck for over an hour and don't know what to do i don't know is this right ? = "+" or "" # = number y=3 (x3)^2 + (y4)^2 = 9 i substitute y (x3)^2 + (34)^2 = 9 (x3)^2 + 1 = 9 x^2  6x + 9 + 1 = 9 x^2  6x + 10
asked by larry 
SCIENCE
1. what elements are soda cans made of? 2. what materials were used in (making) the soda can?
asked by Happy Face 
Honors Chemistry
Hi "Ka for HCN is 4.9 x 10^10. What is the pH of a 0.068 M aqueous solution of sodium cyanide?" How do I do this question? Thank you very much
asked by bess 
grammar
Hey! I need some help identifying the parts of speech quote from Macbeth. (For example I need help identifying the independent clauses, dependent clauses,subj, appositive, gerunds, etc.) The service and loyalty I owe, In doing it,pays itself.Your
asked by Adam 
AP Chemistry
Nitric acid is a strong acid. Does this mean that a) HNO3 dissociates completely to H+ (aq) and NO3 ^1 (aq) when it dissolves in water OR b) aqueous solutions of HNO3 contain equal concentrations of H+(aq) and OH (aq) Thank you!
asked by DrBob222 fan :) 
math
what is the centripetal force acting on each kilogram of an airplane that is turning at 200 m/s in a horizontal circle of radius 10,000m?
asked by andrew gonzalez 
Honors Chemistry
Will a base + H2O ALWAYS from a basic solution? (not a neutral or acidic solution)
asked by Thea 
chemistry
if you start with 5.5grams of magnesium chloride,how many grams of magnesium flouride will be produced?
asked by amber 
global
Why would so many women miners prefer to work in the mines without clothing? Why did the women need the heavy belts around their waists and chains between their legs?
asked by danny 
re:math
i am having a minor difficulty i've been stuck for over an hour and don't know what to do i don't know is this right ? = "+" or "" # = number y=3 (x3)^2 + (y4)^2 = 9 i substitute y (x3)^2 + (34)^2 = 9 (x3)^2 + 1 = 9 x^2  6x + 9 + 1 = 9 x^2  6x + 10
asked by larry 
Physics
A 3.9kilogram block sliding down a ramp from a height of 5.2 meters above the ground reaches the ground with a kinetic energy of 36 joules. The total work done by friction on the block as it slides down the ramp is approximately
asked by Anonymous 
mth
(2)^2 ?
asked by belinda 
chemistry
Nitric acid is a strong acid. Does this mean that a) HNO3 dissociates completely to H+ (aq) and NO3 ^1 (aq) when it dissolves in water OR b) aqueous solutions of HNO3 contain equal concentrations of H+(aq) and OH (aq) Thank you!
asked by someone 
Economic
Interest rates for all types of credit are A. set by the state government B. set by the federal government C. set by commerical banks D. regulated by state and federal laws I think the answer is c
asked by pam 
Science
Here is a question on my science worksheet, "if a projectile's fall matches Earth's 'BLANK', the projectile will not hit earth." i need help figuring out what would go in the blank!
asked by Morgan 
Math
Kee had to buy 2 tires and patch the tires on his bicycle 3 times this year. How much did he spend repairing his bicycle if these were all the repairs he needed? Use the variablees x and y to write an expression for the cost of kee's repairs. then find the
asked by PAVLEEN 
english
how can you summarize this paragraph? A primary succession occurs when the change in species composition than in a previous uninhabited environment. This means no soil exists when the primary succession starts. An example of a primary succession is
asked by derrius 
Physics
At what distance from a carbon nucleus is the electric potential 2.1 V? Carbon atoms have 6 electrons in the atomic shell.
asked by Susie 
electric potential
Given a square of side length a = 6 cm. We place a charged particle at each corner, three of them carry +7 nC of charge and one carries the same amount of negative charge. What is the electric potential at the center of the square? Choose V = 0 V for a
asked by Jeff 
Physics
An unknown potential difference exists between the inner and outer surfaces of the membrane of a cell. The inner surface is negative relative to the outer surface. If 2.5 x 1020 J of work is needed to eject a positive Calcium ion (Ca2+) from the interior
asked by Susie 
Biology
39. Proteins are manufactured from the "blueprints" found on DNA. After they are translated, they are moved through a system of internal membranes before being distributed throughout the rest of the cell. At some point in this process, they are modified to
asked by mysterychicken 
math
jill has a recipe that calls for 12 cups of water.her measuring cup holds 1 pt. how many times does jill need to fill the measuring cup????? please help me
asked by Katherine 
calculus
f'(x) of f(x)= 4e^x/1e^x
asked by ashley 
HELP ME NOW!!!
could you please answer my question? I need to go read my book. my mom is getting upset! i an sorry, i don't mean to be snobby but i really need help!
asked by Morgan 
Chemistry
What type of extraction can be used to separate Hexane and a substance soluble in it?
asked by JoseAnn 
math
how long is a line
asked by Lucy1 
math2
what is a ray
asked by liliana2 
math
what is the factor of 15 and 24
asked by lily3 
Chemistry
If you are a mixture of ammonium chloride, barium sulphate and sodium chloride how would you produce a pure dry sample of each of those chemicals for the mixture.
asked by JoseAnn 
PHYSICS
(a) What is the electric potential a distance of 2.3 1015 m away from a proton? Answer for this part is :626000 (b) What is the electric potential energy of a system that consists of two protons 2.3 1015 m apartas might occur inside a typical nucleus?
asked by SHUBHANGI 
math
what is the prime factorization 300
asked by MEGAN!!!!!!!!!!!!!!!!!!!!!!! 
PHYSICS
Two point charges, 6.0 µC and 2.0 µC, are placed 6.0 cm apart on the x axis, such that the 2.0 µC charge is at x = 0 and the 6.0 µC charge is at x = 6.0 cm. (a) At what point(s) along the x axis is the electric field zero? (If there is no point where
asked by SHUBHANGI 
MATH
what is the GCF 16 and 40
asked by SANA 
math
what is the LCM for 16 and 24
asked by KYLE : ) 
math
what is the LCM 10 and 35
asked by BESTY : ) 
geometry please help
please help me with the question I posted at 4:56pm today
asked by mike 
literary
what is personification, polysyllabic humor,synaesthesia, and vernacular??
asked by tiffany 
social studies
How are Urban and Rural related
asked by Brody 
Calculus
If f(2)=3 and f'(2)=5, find an equation of a. The tangent line b. The normal line to the graph of y=f(x) at the point where x=2 So I plotted (2,3) and (2,5)...but that's not getting anywhere... Thanks
asked by Anonymous 
Math pple
what prime factorization 25
asked by KARLA !!!! 
biology
If catalase enzyme was placed in a test tube and heated to 100 degrees what results would you expect from a glowing splint test?
asked by franky 
MATH
10___+9=59
asked by KhIn 
pre calc
f(x)={8 x + 9}/(2 x + 7)(8 x + 6) Find the x and y intercepts. How would I go about finding the x and y intercepts in problems like this?
asked by Karissa 
geometry
what is the perimeter of a triangle whose sides measure 7 3/4 inches,9 1/4 inches,and 10 1/2 inches,respectively?
asked by yuku 
Trigonometry
A translation maps (6,2) onto (4,2). Find the image of (3,5) under the same translation.
asked by Tyler 
Science
I am having trouble finding anything to answer this question. Any help I would appreciate it! Describe Darwin's Theory of Natural Selection and indicate why species are able to adapt to changes in their enviroment. Be sure to include a discussion of how
asked by stephanie 
English
I'm doing a competition & this time it's about vincent van gogh. it has to have gogh in it. mainly his family tree. ex. Family tree dizzy aunt....vertigogh brother who ate lot of pruns.. gottagogh brother who worked at the 7 11..stop and gogh his
asked by Sara 
Science
I`m a 5th grade student and we are haviing a Sound Science test.I`m looking for defenitions to study from.such as vibrations, decibels, frequency and questions dealing with sound travel. is there a site you could recomend? thank you, cassidy
asked by Cassidy 
6th grade
What geometric concept is modeled by the beam of a flashlight?
asked by Izaac 
PHYSICS
Two small metal spheres with masses 2.0 g and 4.0 g are tied together by a 5.0 cm long massless string and are at rest on a frictionless surface. Each is charged to +2.0 ìC. (b) What is the tension in the string? (c) The string is cut. What is the speed
asked by Arianne 
math
you got 4 numbers 7,2,6,8 you can add, subtract, multiply, and divide.. how do those 4 numbers =24 or can they?
asked by jerson 
geometry
a cylinder water tower is threefourths full of water.the tower is 24 feet tall and has a diameter of 28 feet.how much water is in the tower now?
asked by yuku 
PHYSICS
An electron is accelerated horizontally from rest in a television picture tube by a potential difference of 1.00 × 104 V. (a) Find the final velocity after the original acceleration period. (b) It then passes between two horizontal plates 6.0 cm long and
asked by Arianne 
Math
what day and month was LaiSang Young born in?
asked by Michelle 
social studies
what was the nile river used for?
asked by Anonymous 
math
Consider the parabola that passes through the points (2,6)(1,12) and (0,6) Find the equation and the vertex
asked by janet! 
math
how can i show my work by long division by dividing8 from 100 show work.
asked by Elisa Romero 
math
If a movie ticket now averages $6.75 and has been increasing an average of 15% per year compute the cost: in 8 years 8 years ago
asked by kali 
math again
You have a bag with 60 black jelly beans and 240 red ones. a) If you draw one jelly bean out of the bag, find the probability that it is black. 60/300= 1/5 b) If you add 60 black jelly beans to the original bag and draw out a bean, what is the
asked by kali 
SCIENCE
1. what 2 elements are soda cans made of? 2. what materials were used in (making) the soda can?
asked by Happy Face 
Trigonometry
1) If P'(2,6) is the image of point P after the dilation D(to the 2nd power), what are the coordinates of point P? 2) A transformation maps (x,y) onto (x+2, y1). Find the coordinates of A', the image of point A(2,6) under the same transformation.
asked by Tyler 
environmental science
How has the size and location of big cities changes since the year 1900
asked by amanda 
Trigonometry
1) Find the coordinates of the point (1,3) after the transformation T (to the 3,2 power) 2) What are the coordinates of point (3,4) under D (to the 3rd power)? 3) Which of the following transformations could map the point (1,2) onto the point (3,6)? a)T
asked by Tyler 
physics
convert 120 cm to meters
asked by Anonymous 
geometry
a cylinder water tower is threefourths full of water.the tower is 24 feet tall and has a diameter of 28 feet.how much water is in the tower now? CAN SOMEONE PLZ PLZ PLZ HELP ME
asked by yuku 
social studies
how did missions help establish a spanish presence in the southwest?
asked by De'Ja 
Chemistry
The reaction of 1,6hexanediamine with hexanedioic acid chloride to form nylon 66 is a condensation polymerization. What is the small molecule that is split off in each step of the reaction?
asked by Holly 
Chemistry
What is the repeating unit of nylon 66?
asked by Holly 
Anatomy & Physiology II
I've included answers as well. Thanks in advance. 1. Chemical substances secreted by cells into the extracellular fluids that regulate the metabolic function of other cells in the body are called: a. enzymes b. antibodies c. proteins d. hormones I chose D
asked by Ana 
Biology
Why is it important to plant your vegetables in a different part of the garden each year.
asked by Steve 
Biology
Why is it a good idea to dig compost into the soil.
asked by Steve 
trigonometry
How to verify this identity: 1+ tan x (over) = secant x sine x + cos x
asked by Debi 
Biology
Why is it a good idea to give a potted plant some plant food every week or so
asked by Steve 
Biology
Give two reasons why soil may become poor in mineral nutrients.
asked by Steve 
mittens vs gloves debate
why are mittens better than gloves? I have to do a debate.
asked by BubblyStar 
biology
its know that high plumage color in birds causes then to compete for nests better than dull birds. how does the hypothesis that males with high plumage color make offspring high plumage color support the first statement?
asked by Nick 
EnglishHelp
which one is better, your opinion counts. His hungry sister...lego my egogh How could I improve the wordings of this? His wife's sister...Dont gogh His wife’s sister...Time ta go vincent's wife.. let me gogh I wanted to do ne with indigo, but I don't
asked by Sara 
physics
a 17.0kg crate is to be pulled a distance of 20.0m requiring 1210J of work being done. If the job is done by attaching a rope and pulling with a force of 75.0 N, at what angle is the rope held? W=Fd(cos) 1210J=(170)(20m)(cos)
asked by Anonymous 
physics
Barry Bee is flying through the air when he is struck by a truck. Which encounters more force, him or the truck?
asked by nate 
geometry
if the slope of a line is undefined, what is the point slope form? coordinate C (2,2) d (1,2)
asked by ying 
6th grade world cultures
why would people in the same ethnic group live in different countries
asked by samantha k 
physics
an elevator lifts a total mass of 1.1x10^3 kg, a distance of 40 m in 12.5 s. How much power does the elevator demonstrate? P=w/t w=mgd (1.1x10^3)(9.8)(40)=4.3x105J 4.3x10^5J/12.5=3.4x10^4 is this right or should 12.5 s be converted?
asked by Anonymous 
geometry
if a regular octagon has a perimeter of 264 centimeters, what is the measure of each interior angle and each side?
asked by Trevor 
math
How many people do you need in a room in order to guarantee that there's a group of three people, each of whom has the same initials (first and last name only)? 676 677 1352 1353 I know that there are 26 letters of the alphabet. If I multiply 26 x 2 = 52
asked by M.A. 
surface area and volume
A rectangular prism has a volume of 48 cubic feet and surface area of 88 square feet. what are its dimensions? plz help me
asked by yuku 
Ms. sue can u help me
thx but wat is the volume Ms. Sue
asked by yuku 
jus wonderin
Why do you like Psychology?. What specific aspects of Psychology do you enjoy?...abnormal, cognitive, biological... What questions have you always seeked an answer for?.
asked by lola 
Social Studies
How does the U.S constitution provide for stability and continuity in the sentate?
asked by Minaj 
math
f(x)=square root of (5x)/(x8) What is the domain?
asked by Anonymous 
can someone plz help me
A rectangular prism has a volume of 48 cubic feet and surface area of 88 square feet. what are its dimensions? plz help me
asked by yuku 
4th grade social studies
why is the southwest a fastgrowing region today
asked by De'Ja 
Chemistry
"A mass of 45.0g of molten silver at its melting point is poured into 750mL of calorimeter water at 25.0C. The final temperature reached by both is 30.0C. If the specific heat capacity of silver is 0.235 kJ/kgC, calculate the molar heat of solidification
asked by Stuck 
Ms. sue can u help me
A rectangular prism has a volume of 48 cubic feet and surface area of 88 square feet. what are its dimensions? plz help me
asked by yuku 
reading
does anyone know a good site w/ a summary of the book; "Warriors Don't Cry" by Melba Pattillo Beals, and for the book; "Hidden Child of the Holocaust"; by Stacy Crezmeyer??? Please help asap!! Thanks!!
asked by Ashley 
PHYSICS
The electron gun in a television tube uses a uniform electric field to accelerate electrons from rest to 5.0×107 m/s in a distance of 1.2 cm. What is the electric field strength?
asked by Lucas 
4th grade social studies
Ms.Sue, obviously I couldn't find the answer.
asked by De'Ja 
algebra
You have a bag with 60 black jelly beans and 240 red ones. a) If you draw one jelly bean out of the bag, find the probability that it is black. 60/300= 1/5 b) If you add 60 black jelly beans to the original bag and draw out a bean, what is the
asked by desperate! 
mathgeometry
we have a test tomorrow and she said that a problem like this is going to be on there how do you do it???? Consider the parabola that passes through the points (2,6)(1,12) and (0,6) Find the equation and the vertex
asked by janet! 
Volume and surface area
A rectangular prism has a volume of 48 cubic feet and surface area of 88 square feet. what are its dimensions? plz help me
asked by yuku 
accounting
received 125000 on account from a major customer. wht is the entries for this?
asked by Shaalu 
physics
In a rescue, the 80.0 police officer is suspended by two cables 35 degrees and 48 degrees. Find the tension in both cables?
asked by Alex 
EnglishMs. Sue OR Writeacher
How are these: which one is better, your opinion counts. His hungry sister...lego my egogh How could I improve the wordings of this? His wife's sister...Dont gogh His wife’s sister...Time ta go vincent's wife.. let me gogh I wanted to do ne with indigo,
asked by Sara 
Just wondering if there is any1 who can help w A&P
thanks
asked by Ana 
english
I need a web to search for antonyms
asked by Marie 
geometry
if the slope of a line is undefined, what is the point slope form? coordinate C (2,2) d (1,2)
asked by ying 
geometry
a cylindrical oil drum is 6 feet long and has a radius of 2.5 feet? Ato the nearest cubic foot,what is the volume of this drum?
asked by yuku 
algebra
suppose you are starting an officeclening service. You have spent $315 on equipment.To clean an office, you use $4 worth of supplies.Yoou charge $25 per office. How many offices must you clean to break even?
asked by Anonymous 
math
suppose you are starting an officeclening service. You have spent $315 on equipment.To clean an office, you use $4 worth of supplies.Yoou charge $25 per office. How many offices must you clean to break even?
asked by vanessa 
Economics
How does the local, state, or national economy affect your business or place of work? Are there businessess that are relatively recession or depressionproof? Why or why not? Are there businesses that may not prosper to the same extent as others during an
asked by Van 
business
Suppose the price of apples rises from $3.50 a pound to $4.00 and your consumption of apples drops from 30 pounds of apples a month to 20 pounds of apples. Calculate your price elasticity of demand of apples. What can you say about your price elasticity of
asked by jward1970