Questions Asked on
September 2, 2008

biology
What is the difference between Bacteria and Archaea?
asked by Juli 
Physics
A bag is dropped from a hovering helicopter. The bag has fallen for 2.0 s. What is the bag's velocity? How far has it fallen?
asked by James 
11th grade (World History)
Which ruin is about 140 miles southwest from Copan?
asked by Travis 
physics
a roller coaster car moves 200 ft horizontally and then rises 135 ft at an angle of 30 degrees above the horizontal. It then travels 135 ft at an angle of 40 degrees downward. what is its displacement from its starting point? im not really sure what to do,
asked by laura 
Calculus
A box of fixed volume V has a square base with length x. Write a formula for the height, h, of the box in terms of x and V. Sketch a graph of h versus x. Is the answer h=V/x^2
asked by George 
writing
word puzzle about labor day. wondeful workers. we have most of the answer we have United states and what
asked by tori 
Calculus I
Problem: A hot air balloon rising straight up from a level field is tracked by a range finder located 500 feet from the point of liftoff. Express the balloon’s height as a function of the angle the line from the range finder to the balloon makes with the
asked by Mercury30 
Math
How can you classify the 2 examples that you gave in part c? Is it: Simple random sample Systematic random sample Voluntary response sample Convenience sample Or Stratified random sample? Thank you.
asked by Happyface 
Physics
A tennis ball is thrown straight up with an initial speed of 20.0 m/s. It is caught at the same distance above the ground. How high does the ball rise (m), and how long does the ball stay in the air (s)?
asked by James 
Criminal justice
Restorative justice may be the model that best serves alternative sanctions. How can this essentially humanistic approach be sold to the general public that now supports more punitive sanctions? For example, would it be reasonable to expect that using
asked by Bobby 
No subject
I've noticed in the people around me these defense mechanisms. Denial, Identification, Regression, Intellectualization, Sublimation, and Displacement.The above is what i have answered for the following question.what defense mechanisms have you noticed in
asked by dawn 
science
from sea level, the biosphere goes up about 9 km and down about 19 km. what is the thickness of the biosphere in meters?
asked by katie 
Ethnic Diversity
According to current (within the past two years) research and news reports, what are some of the changes the United States has made to policies concerning the treatment of Muslim and Arabic members of society?
asked by Anonymous 
Chemistry
Two hydrides A and B of an element X contain 17.76% and 12.58% by mass of hydrogen. Identify A and B and comment on their structures.
asked by Alice 
Chemistry
Convert 10.3 g x cm3/second2 to kg x m3/hour2
asked by Ashley 
Calculus/Trigonometry
A box of fixed volume V has a square base with length x. Write a formula for the height, h, of the box in terms of x and V. Sketch a graph of h versus x. Is the answer h=V/x^2
asked by George 
ChemistryQuestion 3
A 4.86 kg sample of a solution of the solute chloroform in the solvent (C2H5)2O that has a concentration of 1.91 pph by mass chloroform is available. Calculate the amount (g) of CHCl3 that is present in the sample. Molar Mass (g/mol) CHCl3 119.38 (C2H5)2O
asked by Scott 
math
A sugar molecule has twice as many atoms of hydrogen as it does oxygen and one more atom of carbon that oxygen. If a sugar molecule has a total of 45 atoms, how many are oxygen and how many are hydrogen?
asked by kayla 
English
Why don't you try a little harder? Why not try a little harder? Why don't we try a little harder? Let's try a little harder. Let's try a little harder, shall we? Shall we try a little harder? How about trying a little harder? What about trying a little
asked by John 
biology
What are the differences between Archea and Bacteria?
asked by Juli 
Math
What are the like terms in the exprression 3ac = ab  ac = 2ab? Explain. Simplify the expression. Show your work.
asked by Maddy 
Biology
What are the steps and how many in the scientific method?
asked by Harry 
kayla
A sugar molecule has twice as many atoms of hydrogen as it does oxygen and one more atom of carbon that oxygen. If a sugar molecule has a total of 45 atoms, how many are oxygen and how many are hydrogen?
asked by math 
Physics
Suppose an astronaut drops a feather from 1.3 m above the surface of the Moon. If the acceleration due to gravity on the Moon is 1.62 m/s2 downward, how long does it take the feather to hit the Moon's surface?
asked by James 
9th grade algebra
i'm trying to find someone that knows what a diamond problem in algebra is. it is a diamond shape divided into 4 equal parts in the example it has an xy at the top an x on the left and a y on the right and x+y on the bottom. then on problem #1 it has a 15
asked by ryan 
Algebra I
My substitute teacher gaves us a worksheet that asks us to do problems we've never had before. How do I do unions and intersections on a number line using inequalities? Is there a formula for this? Example: A intersects C A={xx>3} C={xx greater than or
asked by Brittani 
Algebra......Help Quick!!
12a^3bc18a^2bc^2+6a^2c, x^2+20x+36, 12x^48x^34x^2, x^2+36x, 9x^2+6x+1, 6x^3+11x10, x^2+3x6..............can someone please help me solve some of these problems if not all. I have forgotten how to solve them can someone please help..Thanks
asked by Carrie 
algebra
simplify the sum of radical expressions: T^2 square root 96tw^2 + 9w square root 6 T^5 Simplify: square root 5w^2 T^7 x square root 20 w^3 T^6
asked by nicky 
economic
ASSIGNMENT 5: DUE 4.00PM, 4/09/08 1. A competitive firm uses coal to generate electricity. Its supply curve is Q = 300P  1000, where Q is quantity produced (units of electricity per year), and P is market price of electricity per unit. The production of
asked by qweiop90 
math
What units in the metric system would you use to measure each of the following quantities? (a) Distance from Los Angels to New York (b) Your waist measurement (c) Width of a hair (d) Your height
asked by Peggie 
Chemistry
A solution of hexane in the solvent (CH3)2CO has a mole fraction of CH3(CH2)4CH3 of 0.114. What mass (g) of the solution must be taken if 1690 g of hexane is needed? Molar Mass (g/mol) CH3(CH2)4CH3 100.21 (CH3)2CO 58.05 Density (kg/L): CH3(CH2)4CH3 0.6838
asked by Scott 
ChemistryQuestion 4
What mass (g) of the solute C3H8O3 should be mixed with 8270 mL of the solvent H2O to produce a solution that is 1.02 m glycerol. Molar Mass (g/mol) C3H8O3 92.09 H2O 18.015 Density (kg/L): C3H8O3 1.261 H2O 0.9982 Name/Formula: glycerol C3H8O3 water H2O
asked by Scott 
PreCalculuscheck answers
Express 52i in polar form. Express your answer in radians to the nearest hundreth. r=sqrt5^2+2i^2 which equals sqrt21.Arctan of 2/5+pi equals 18.7 Polar form=sqrt21 cis 18.7 Is this correct??
asked by Lucy 
PreCalculus
The paddle wheel of a boat measures 16 feet in diameter and is revolving at a rate of 20 rpm. The maximum depth of the paddle wheel under water is 1 foot. Suppose a point is located at the lowest point of the wheel at t=0. 1) Write a cosine function with
asked by Lucy 
Math
Suppose M is between L and N. Use the Segment Addition Postulate to solve for the variable. Then fine the lenghts of LM, MN, and LN. LM=7y+9 MN=3y+4 LN=143 Please tell me how you got your answers.
asked by Jennifer 
Physics
You throw a ball downward from a window at a speed of 1.8 m/s. How fast will it be moving when it hits the sidewalk 2.8 m below?
asked by James 
Algebra
Solve for x and y: 2x + y = 1 x  y = 8 PLEASE HELP. and show work.(:
asked by emily 
algebra
1/2x+6=1/3x
asked by Josh 
5th grade
why must a scientist estimate a measurement?
asked by Jiovanni 
math
a framer divides his herd of cows anong his 4 sons, one get 1/2, second get 1/4, 3rd gets 1/5 and the 4th get 7. how many cows are in the herd?
asked by lily 
literature
what is the meaning of the title of Robert Cormier's "Tunes for Bears to Dance to?"
asked by ell 
math
How many different 6 digit numbers can be formed using the digits 1,2,3,4,5,6 given that no digit is repeated in a number?
asked by Clint 
algebra
1/2x+6=1/3x Please help. my college grad mom can't help with my 8th grade math!
asked by Josh 
Economic  Cost and benefit analysis
i am not a spoon feeder, i just don't have any idea about these messy questions. ASSIGNMENT 5: DUE 4.00PM, 4/09/08 1. A competitive firm uses coal to generate electricity. Its supply curve is Q = 300P  1000, where Q is quantity produced (units of
asked by zhuie 
Medical transcription HIPAA research project
I have never done a research project and I don't understand how to do the reference page or the work cited for internet sources. Can you help? For example, I went to US Deparment of Health and Human Services Protecting the Privacy of Patients Health
asked by Cindy Dietrich 
college
The annual rainfall in California’s north valley averages twentythree inches. So the rainfall next year will be twentythree inches
asked by tiff 
Economics~~URGENT!!!
i am not a spoon feeder, i just don't have any idea about these messy questions. ASSIGNMENT 5: DUE 4.00PM, 4/09/08 1. A competitive firm uses coal to generate electricity. Its supply curve is Q = 300P  1000, where Q is quantity produced (units of
asked by zhuie 
9th grade
whatis 1=1
asked by manisha 
Math
Mascot: Number: Bisons 17 Cougars 4 Huskies 18 Knights 32 Other 3 a. About how many students would vote for the Huskies if the entire student body of 1600 voted? About how many would vote for the Knights? b. Suppose the students surveyed were in the
asked by Happyface 
College Accounting
Is there anyone that can help me with Chapter 2 problem 23a. I really need help with the effects of transactions(balance sheet accounts)
asked by Lady J 
Economics
How can the Internet be considered a product and a promoter of free enterprise (besides popups)?
asked by Mandy 
Spanish
I need to do a report on the Spanish Civil War, and I need to provide visuals to go along with it like maps, flags or miniatures. I've looked at several sites and they show different map, even for the Nationalist and Republican. Does anyone know any good
asked by Sue 
algebra II
multiplication of polynomials by polynomials. 2^n3 b^2n2 (b^22^5n b) I get 2^n3 b^2n  4^2 b^2n1 but that is not right. I am stuck on the 4^2 part only. The rest is right.
asked by mike 
eXpOnEnT mAtH
write each product as the product of the same factor: 1.)5 Ex:3 2.)a Ex:5 3.)(j) Ex:2
asked by LEMISCE 
math
Gasoline accounts for 85% of the motor fuel consumed in the united states every day. If 8,882 thousand barrel (bbl) of motor fuel is consumed each da, how much gasoline is consumed each day in the united states? round to the nearest barrel.
asked by Peggie 
English
Bingo Game Let's play the bingo game. There are six expressions on the right of the bingo board. You should write down each expression in the box on the bingo board at random. After that I will read English sentences one by one. You have to draw a circle
asked by John 
math
Jerry earned $18,500 one year and then received a 10.5% raise. What is his new yearly salary?
asked by Peggie 
chemistry
I have problems with this question. Can anybody help me? When dilute nitric acid was added to a solution of one of the following chemicals, a gas was evolved. This gas turned a drop of limewater. Ca(OH)2, cloudy,due to the formation of a white precipitate.
asked by El 
College Algebra
Do variables with exponents in algebraic terms need to be alphabetical?
asked by Kristine 
Economics
How is the Internet a promoter of free enterprise? I came up with popups but I can't think of another example.
asked by Mandy 
science
What is the difference between a theory in everyday use and a scientific Theory?
asked by Mahtab 
making dot arrays
to make a 14dot array that has exactly two rows, is this going to have a total of 14 dots or will it be 14 dots per row
asked by annabelle 
Chemistry
How do atoms bond to form molecules?
asked by Lilly 
biology
what is the primary focus of all biological studies?
asked by dontworryaboutit 
Science
why is it unlikely that some of the tectonic plates will stop moving
asked by Letha 
math
I'm having problems with subtracting 10 digit math problems.Can you give me any websites?
asked by Nehemiah 
english
what part of speech is about? what part of speech is (is)?
asked by Kelsey 
Physics
Determine the final velocity of a proton that has an initial velocity of 2.5*10^5 m/s, and then is accelerated uniformly in an electric field at the rate of 1.10*10^12 m/s^2 for 1.90*10^7 s.
asked by James 
math
two US coins that total 55 cents in value? one is not a nickel.
asked by chellie 
Algebra
I need help with using the quadratic formula to solve this equation: 2^x22x = 8
asked by Alexander 
Science
Homer Notices that his shower is covered in a strange green slime. His friend, Barney, tells him that coconut juice will get rid of the green slime. Homer decides to check this out by spraying half of the shower with coconut juice, and half with water.
asked by Summer 
world history
what feature makes up part of the US border with canada
asked by allexus 
8th grade
unscramble the work riday it is a literature word
asked by Joe 
government
What do ew call achange to the constitution?
asked by Derke Bates 
Science
I have more than one hundred legs. I cannot stand. I have a very long neck. I do not have a head. I cannot see but I am as neat and tidy as can be. What am I?
asked by Christian 
Grammar
what is a nominative pronoun?
asked by Molly 
math
solve for x 3x^2 + 2x  5 = 0 you foil it and get: (x  1)(3x + 5) but i don't know what to do from here. please please pleasee help.
asked by sarah 
Calculus
If you can helpme on this problem you are GOD. If f(x) = ax^2 + bx + c, what can you say about the values of a, b, and c if: (A) (1,1) is on the graph of f(x)? (B) (1,1) is the vertex of the graph of f(x)?[Hint: The axis of symmetry is x = b/(2a).] (c)The
asked by George 
science
why would a scientist need to identify and control variables in an experiment?
asked by Jiovanni 
science
Why might a scientist estimate a measurement?
asked by Jiovanni 
english
what is the topic, audience,purpose,and format of this miniprompts. Write a letter to Mrs. Arrington discussing why students attendance is poor.
asked by maran 
Math
I need help solving this problem. x  3 > 8
asked by jay jay 
Math
3y  2 > 12  5y
asked by jay jay 
math
Wendy is a loan officer and has 1,000,000 to lend and is required to get an average return of 18% per year. If she can lend at the rate of 19% or at the rate of 16%, how much can she lend at 16% rate and still meet the requirement?
asked by leila 
Math
place value what is standard form and what is expanded form
asked by TaTi 
Economics
How can the Internet be considered a product?
asked by Mandy 
social studies
My stupid teacher says since there is seperation from church and state the president can be sword on diffrent books not including religon.He wants examples of 5 other books that may be used but i can only find people using the bible and for other political
asked by julian 
accounting
Can anyone help me with this, why doesn't managerial accounting require independent audits to verify the accuracy of the generated reports used in the management decision making process?
asked by Anonymous 
12th grade
how do you solve limits that have infinities!?
asked by Megan 
Hum 130
Is indigenous religion still practiced in Japen today?
asked by Cheryl 
math
The minimum daily value (MDV)for certain foods are given. They are based on a 2,000 per day diet. Find decimal and fractional notation for the percent notation in each sentence. (a) 1 ounce of tostitos provides 9% of the MDV of fat. (c) 1/2 cup of
asked by Peggie 
social studies
what features border the u.s with canada
asked by morris 
spanish
saquen unahojade papel. What does this mean?
asked by Glen 
Algebra II
Tell whether or not the following sets are fields under the operations + and *. If the set is not a field, tell which one(s) of the Field Axioms do not apply: a) [rational numbers] b) [integers] c) [positive number] d) nonnegative numbers] That is a
asked by Sherry 
American Dream Project
so in social studies we have to do an american dream project witha poster and a speech and also we have to pick a song that goes with our board/ the american dream. I picked "Life is a Highway" by Rascal Flatts (sp?) We have to explain how it goes with the
asked by Micheal 
physical geography
what are the five most important paralells of the earth?
asked by Anonymous 
math
The minimum daily value (MDV) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractiona notation for the percent notation. 1/2 cup of campbells' new england clam chowder provider 6% of the MDV of iron
asked by Peggie 
grammar
I need help identifying each words part of speech on 2 sentences: Growing along with your family Built to last forever Please help
asked by Bree 
english
what is the simple subject to this sentence Does the map show this PLace?
asked by Anonymous 
math
Ms. Jordan has been given a loan of $2,500 for 1 year. If the interest charged is $275, what is the interest rate on the loan?
asked by Peggie 
Science
Why are the planets visible enough even though they are not light sources?
asked by Ann 
Brookwood
A 67.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are .800 and .460 respectively. A) what horizontal pushing force is required to just start the crate moving? B) What horizontal pushing force is
asked by Anna 
math
Yi chen made a $6,400 investment at the beginning of a year. By the end of the year the value of the investment had decreased by 8.2% What was ts value at the end of the year?
asked by Peggie 
Physics
A 67.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are .800 and .460 respectively. A) what horizontal pushing force is required to just start the crate moving? B) What horizontal pushing force is
asked by Jaime 
Physics
At a time when mining asteroids has become feasible, astronauts have connected a line between their 3400 kg space tug and a 6000 kg asteroid. Using their ship's engine, they pull on the asteroid with a force of 490 N. Initially the tug and the asteroid are
asked by Lisa 
significant figures
(42.70 + 0.259) / 28.4 I wanted to know, if it 1.510 or 1.51? because it has to be correct sig figs.
asked by soojung 
math
the trip will be 560 miles the bus travels at a average speed of 60 miles per hour
asked by hjfgjff 
chron puzzle
Help me unscramble this word (partisened) why the play didn't run long????
asked by vero 
math
equation of a line in slope intercept for that passes through (4,3) and (7,2)
asked by lee 
spanish
what does this question mean im really confused. directions  translate the adjective and write the correct form. 1. un apartmento (small) 2. las mujeres (brown haired) 3. los hombres (tall) 4. la senora (pretty) 5. las clases (easy) can someone explain
asked by christina 
calculus
Can someone please tell me what the word "WHOLE" AND "IRRATIONAL" MEAN IN CALCULUS? THANKS
asked by Mike 
Sci
What would happen if our pH levels increased?
asked by Lena 
Chemistry
What volume (mL) of the solvent benzene should be added to 142 mL of the solute CH3CN to generate a solution that is 2.68% by mass CH3CN?
asked by Scott 
Linear Relationships
Use the Distributive Property to write two expressions, that show two different ways to compute the area of each rectangle. a. 6,4:14 b. 3:5,5
asked by Alexis 
English
Let's make plans for next month. Let's make a plan for next month. Let's make two plans for next month.  What is the difference among them? Does a plan mean one plan?
asked by John 
health
a teenage girl has some shaking in her fingers often, and she has been a little constipated all week. Her skin is little rough and flaky. From these observations, does she have parkinson's disease? explain your answer. I'm not exactly sure, but i think the
asked by Brenda 
Math
Hello, I need to know if I have the right answers to these questions. 2xy=3 question is which of the following points lie on the line. is the answer 0,3 (1,1) (2, 1) (3, 1) (3, ) or (1, 2) I chose the answer (3, 1) is that right, second question: If
asked by bodes 
Math
Number sense: Cari says the value of the digit 3 in 34,465 is 300,000. Do you agree or disagree? Explain.
asked by Elezabeth 
History
In 1935 during the great depression why couldn't a person living in new york city be buried west of the mississippi river?
asked by John 
math
P is a point on the xaxis 13 units from the point (3,5). find all the possible coordinates for P.
asked by bryant