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October 20, 2014

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Number of results: 9,651

chemistry
Oh my my test is coming up and I have no idea how to do these questions and when I asked my teacher for help he said you should do it yourself.... Thanks! An intermediate step in the production of battery acid, sulfuric acid, invoves the information of sulfur trioxide gas from...
October 7, 2008 by Tri

Maths
On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The interest rate on the ...
March 11, 2008 by Sunny

Statistics
Selecting a letter of the alphabet: If 3 letters of the alphabet are selected at random, find the probability of getting at least one letter "x". Letters can be used more than once. My answer was: P(at least 1 "x) = 1 - (25/26)^3 = 1951/17576 or 0.11 Is this correct?
February 21, 2014 by Anonymous

language arts
complete the analogies by selecting a pair of words whose relationship most resembles the relationship of the pair in capitol letters. BRUSQUE:BRUSQUENESS:: a. simulated:simulation b. foolish:inanity c. angry:tirade **i think its "a" but im not sure ANARCHY:LAW:: a. tyranny:...
January 5, 2012 by Brianna

REGENTS(PRACTICE)
A scientist wants to determine the best conditions for hatching brine shrimp eggs. In a laboratory, brine shrimp hatch at room temperature in glass containers of salt water. The concentration of salt in the water is known to affect how many brine shrimp eggs will hatch Design...
September 21, 2011 by hoover

Chemistry !
A geologist discovered a new rock which he suspected contained an oxide of an element called mysterium. He gave thr ock to a chemist who ground it up and heated a sample with carbon at a high temperature. No metal was produced in this experiment. 1.Why did the chemist grind up...
September 20, 2011 by Nelly

CHEMISTRY
A geologist discovered a new rock which he suspected contained an oxide of an element called mysterium. He gave thr ock to a chemist who ground it up and heated a sample with carbon at a high temperature. No metal was produced in this experiment. 1.Why did the chemist grind ...
September 20, 2011 by Nelly

statistics
Describe one of the following experiments, which study human subjects, in 450 to 750 words: A pharmaceutical company wants to test a new sleep aid. An educational company is interested in determining whether their new math curriculum will raise standardized test scores. ...
July 6, 2014 by Anonymous

composition writing
write several sentences using five different pronouns describing interaction with a friend about credit card
September 16, 2010 by john

Lord of the flies
What are some hyperboles in this novel? What does the title mean?Wat is the theme? And worst of all what do I do for a "Wild card" *( any literary device?
June 16, 2012 by IB student

writing skills
3. Reference librarians are specially trained to help you A. get a library card. B. sign out videotapes. C. create an outline. [D. research a topic.]
August 23, 2012 by jake

Math
A card is drawn from an ordinary pack of playing cards and a person bets that it is a spade or a king.What are odds against his winning this bet?
November 12, 2012 by Glare

accountig
Continuing Cookie Chronicle 1 Continuing Cookie Chronicle (Note: This is a continuation of the Cookie Chronicle from Chapters 1 through 7.) CCC8 One of Natalie’s friends, Curtis Lesperance, runs a coffee shop where he sells specialty coffees and prepares and sells muffins and ...
October 12, 2010 by karanzala

Child care
When selecting books for young children, you should avoid those that include A nontraditional roles such as single parents or gay or lesbian people. B unusual characters that deviate from the norm. C exaggerated characteristics based on race or gender. D illustrations ...
November 18, 2009 by Rosa

Social Science Capstone
Ethical Research in the Social Sciences Find the most interesting, bizarre, or blatant example of a violation of good ethical conduct in research in the social sciences. Explain the experiment. What theories, ideas, behaviors, or phenomena were being analyzed? What were the ...
October 16, 2012 by Leonard Shackleford

English
How can you use or organize persuasive messages? You need to consider your own interests when reading a persuasive message. If the message is from your boss, you should probably follow it to the letter if you want to keep your job. If the persuasive message is from an ...
December 13, 2006 by Sharon

Physics
In an interference of light experiment, coherent light that contains two wavelengths: 640 nm (red-orange) and 425 nm (indigo-blue), passes through two narrow slits separated by 5.35 μm, and the interference pattern is observed on an observation screen 2.51 m away.   (1 μm...
November 23, 2012 by Alphonse

Physics
In an interference of light experiment, coherent light that contains two wavelengths: 640 nm (red-orange) and 425 nm (indigo-blue), passes through two narrow slits separated by 5.35 μm, and the interference pattern is observed on an observation screen 2.51 m away.   (1 μm...
November 29, 2012 by Alphonse

Chemistryy
Identify the observations of Ernest Rutherford's experiment with the gold foil. Where he experimented on alpha particles and deflection. Check all that apply.... 1) a positive charge is spread equally over the atom 2) THE MAJORity of the space inside the atom is empty space. 3...
August 29, 2011 by Dalton

Algebra 2
In a quiz program, 3 questions on sprots, 3 questions on general knowledge, and 4 questions on science are printed separately on 10 cards and placed upside down. John is asked to select 2 cards at random. What is the probability of Joohn selecting 2 questions on science?
January 29, 2012 by Dena

Business
you have been put on the employment screening committe for an all-male law firm. There are two finalists being considered for the position a man a woman.They are equally qualified. What guidelines do you think your committe should follow in selecting the right person for the ...
October 29, 2009 by Pauline

18
What is an example of how adults can develop knowledge to attain goals if running is a goal: A. Learn how to reduce the risk of running injuries by selecting an appropriate training program and proper shoes B. Purchase clothes that appeal to the opposite sex C. Randomly ...
March 4, 2012 by desha

chemistry
6 small glass beads are found to weigh 9.34 g. The beads are placed in a graduated cylinder filled with ethyl alcohol (density 0.78 g/mL). The reading of the liquid in the cylinder before the beads were added is 21.5 mL. After the beads sink to the bottom of the alcohol the ...
September 24, 2014 by Laurence

biology
On a television talk show, a guest claims that people who exercise vigorously for 15 minutes or more every day are able to solve math problems more rapidly than people who have no vigorous exercise in their daily routine. Describe a controlled experiment that could be ...
December 23, 2013 by ms.sue help

Physics
I'm writing a prac report, and I just need something clarified. The experiment was different masses were attached on a hanging spring, then it had to be pulled down a certain distance, then find the period by finding the time fo each oscillation for each mass. The problem is ...
March 28, 2009 by TP

Physics
I'm writing a prac report, and I just need something clarified. The experiment was different masses were attached on a hanging spring, then it had to be pulled down a certain distance, then find the period by finding the time fo each oscillation for each mass. The problem is ...
March 28, 2009 by TP

chemistry
In an experiment a student allowed benzene C6H6+ TO REACT WITH EXCESS BROMINE BR2+ In an attempt to prepare bromobenzene C6H5Br. This reaction also produced as a by-product, dibromobenzene, C6H4Br2+ On the basis of the equation. C6H6 + Br2 -> c6h5Br + H Br a) What is the ...
November 1, 2012 by Dolly

Chemistry
In an experiment a student allowed benzene C6H6, TO REACT WITH EXCESS BROMINE BR2, in an attempt to prepare bromobenzene C6H5Br. This reaction also produced as a by-product, dibromobenzene, C6H4Br2, On the basis of the equation. C6H6 + Br2 -> c6h5Br + H Br a)What is the ...
November 1, 2012 by Sunny

Math
1. Ling has received been approved for a Visa credit card with a $2000 credit limit, however he has not charged that much since opening the account. On April 24, he discovers a monthly statement from March that had accidentally slid down between his desk and the wall. Because ...
August 25, 2011 by Anonymous

Biology
bio 1003 lab notes baruch Experimental setup 1 contains live, germinating pea seeds. Experimental setup 2 contains germinated then boiled pea seeds. Experimental setup 3 contains dry pea seeds that have not begun to germinate. Experimental setup 4 is a tube of phenol red and ...
September 7, 2009 by Melissa

Consider the functions
Consider the functions f(x)= 5x+4/x+3(This is a fraction) and g(x)= 3x-4/5-x(This is a fraction) a)Find f(g(x)) b)Find g(f(x)) c)Determine whether the functions f and g are inverses of each other.
April 10, 2013 by Kayleigh

Education/Technology
In selecting software for the classroom, it is first necessary to ensure that A) the software features both text and colorful graphics. B) the software is at the correct grade level for your students. C) the software addresses diverse learning styles. D) the software is ...
February 7, 2013 by Lor

Math
A bag contains 9 tiles numbered 1 to 9. P(4) one-ninth = experimental; the result is found by repeating an experiment. experimental; the result is based on the number of possible outcomes. theoretical; the result is found by repeating an experiment. theoretical; the result is ...
April 9, 2013 by Anonymous

probability
A bag contains 3 red marbles, 3 blue marbles and 3 yellow marbles. Which of the following methods of selecting 2 marbles will have the greater probability of choosing 2 red marbles?
March 29, 2014 by Matt

ICT
describe briefly an application for each of the following methods of input 1.MICR 2. key-to-disk 3.video camera 4.touch screen 5.smart card
October 16, 2006 by chloe

Com156
I need to write a 450 word Thesis statement on "Why credit card companies shouldn't be allowed on campus marketing to college student's"
August 6, 2010 by Holly

Math
In Mathematics: how much interest will you have to pay for a credit card balance of $554 that is one month overdue if a 20% annual rate is charged?
October 11, 2010 by Jenny

Data mangement
Mark selects one card randomly from a standard deck of cards. What is the probability that he will select either an even number or a heart?
April 9, 2012 by Nixon

chemistry
Hi, I was hoping someone could double check a chemistry answer for me. I am trying to calculate the Ksp of Ag2CrO4. This question is based on a experiment to determine ksp experimentally. In the experiment the Ksp of silver chromate was calculated using a single displacement ...
May 26, 2013 by Laura

English
1)Don’t use plastic bags but you must use….. (but use …… instead?) 2)He enjoyed the results of his experiments until he murdered an old man 3)He had to find which of/among Mr Williams’s servants had stolen a ring from.. 4)Civil rights for black Americans or of Black Americans ...
January 7, 2010 by Franco

business math
1. Ling has received been approved for a Visa credit card with a $2000 credit limit, however he has not charged that much since opening the account. On April 24, he discovers a monthly statement from March that had accidentally slid down between his desk and the wall. Because ...
April 5, 2011 by kaplan university

physics
soo for physics, we did a lab where we launched a cart on a track on the floor and recorded time, distance, etc. to figure out things. one of the questions on the lab is: can you think of a simple follow-up experiment that would allow you to determine how much the cart's ...
October 6, 2009 by student

english
credit card paragraph using five adverbs and five adjectives
November 29, 2010 by charla

Math - Credits & finance charges
On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The interest rate on the ...
March 10, 2008 by Sunny

math
a set of cards is numbered 1-20 what is the probability of choosing the card numbered 1
February 18, 2010 by savon

maths
how many piece of 3/4 inch long can be cut from a foot long card
October 4, 2012 by stacy

probability
in a 2-card hand, what is the probability of holding only face cards?
March 25, 2013 by amber

Card Probability
The probability of pulling an ace or king from a deck of cards is?
October 12, 2013 by Alex

eth
Imagine yourself as a current member of that group, and consider the question, “Would I want to immigrate to the United States, and why?” Think about what opinion you would have of the immigration process, including naturalization, the costs, fingerprinting, etc. Consider ...
January 24, 2007 by mark

math
I'm a fraction playing card. My demominator is 4 times my numerator. Add my numerator and denominator and you get 15. Who am I?
October 19, 2010 by Anonymous

science
a experiment to prove that a freely suspended or floating magnet always point in the north south direction plz help got my trails!??!?!?! how do i get the ans to this question?????? That doesn't look like a question. It looks like a suggested experiment to prove a hypothesis. ...
February 25, 2007 by salina

chemistry
Melting point experiment: how do i know the calibration curve? we did an experiment where: week one we did a graph with the melting points of different compounds. week 2 we used the graph to correct the melting point of unknown # 1 and then unknown # 2 we mixed unknown 2 with ...
January 18, 2011 by jessica

methods and analysis of quantitative research
The graduate selection committee wants to select the top 10% of applicants. On a standardized test with a mean of 500 and a standard deviation of 100, what would be the cutoff score for selecting the top 10% of applicants, assuming that the standardized test is normally ...
May 26, 2012 by mary

Science Check PLEASE
put ** by the ones I thought correct Which of the following statements best describes the characteristics of a hypothesis, one of the steps of the scientific method? a)It is a possible answer to a scientific question *** b) It is a scientific inquiry that cannot be tested c)...
September 2, 2014 by billy

Data Management
what is the probability that either a heart or a face card (K Q J) is chosen but the Q of heart is missing from the deck?
January 22, 2014 by Anon

English
Write a invitation card to a family members formal 21st birth party HOW DO I WRITE IT ? !!!
August 20, 2014 by Lesedi

chemistry
HCL is tritrated with NaOH. KHP is then added. A possible source of systematic error in this experiment is failure to dry the KHP. If this occured, would the final wt% NA2CO3 be falsely high, falsely low, or unaffected. Give reasoning. Thanks. You have left out much of the ...
September 6, 2006 by bria

COM/155
Review pp. 517–520. Describe your experience with credit and credit cards in a brief paragraph using at least five adverbs and five adjectives in your description. Bold the adverbs and underline the adjectives Just wanted to know if this is correct or do I need to revise.... ...
December 15, 2010 by BRANDY

math
a set of 20 cards is numbered 1,2,3,... ..20. Suppose you pick a card at random without looking. Find the probability of each event. Write as a fraction in simplest form. P(3 or 13)
March 25, 2008 by Jordan

MATH Prob.
A box contains 13 white cards numbered 1 through13. List the sample space of the event choosing one card with a number greater than 6.
August 8, 2009 by Twg

Chemistry(Please check, thank you!!)
For my rate of reaction experiment I have to answer the question "why did we ask you to measure the room termperature and temperature of reaction solutions". For the experiment we used 5 flasks and we put one of them in an ice bath at 6-10 degrees C. My answer is that we ...
February 28, 2012 by Hannah

Physics
In an interference of light experiment, coherent light that contains two wavelengths: 614 nm (red-orange) and 429 nm (indigo-blue), passes through two narrow slits separated by 3.12 μm, and the interference pattern is observed on an observation screen 2.17 m away. (1 &#...
November 29, 2012 by Jalopy

Algebra II
help please There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10 selections. Show work.
April 23, 2014 by Me and I

Algebra ll
Help me with this please There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10 selections. Show your...
April 24, 2014 by Me and I

Statistics
The head librarian claims that books have been checked out an average of seven times in the last year. You suspect she has exaggerated the checkout rate and that the mean number of checkouts per book per year is, in fact, less than seven. Using the computerized card catalog, ...
May 2, 2008 by Lindy

Science Check answers please
I put ** by the ones I thought correct Which of the following statements best describes the characteristics of a hypothesis, one of the steps of the scientific method? a)It is a possible answer to a scientific question *** b) It is a scientific inquiry that cannot be tested c)...
September 2, 2014 by billy

Math Probability
A lottery game has balls numbered from 0 - 9 If a ball is selected at random, what is the probability of selecting an even numbered ball or a 5 ? I am guessing this is Mutually exclusive event and hence used the OR= P(A)+P(B) concept considering 0 as an even number I keep ...
December 4, 2011 by HM

math
Which situation can be modeled by tossing a coin three times? a. choosing which one of sixteen teams will win a tournament c. selecting a desk from thirty-six in a classroom b. deciding which English teacher of eight will win a trip to London d. picking one of six math teachers
August 17, 2013 by Anon

math
if P(A)=.63 in an experiment then determine P (not A)
October 29, 2008 by jerson

Math
You draw five cards from a standard deck of 52 cards. P(heart) = 4/5 (fraction). What type of probability is illustrated and why? Theoretical; the result is based on the number of possible outcomes** Theoretical; the result is found by repeating an experiment Experimental; the...
April 23, 2014 by Jasmine

math
Steve was charged $60.00 interest for 1 month on a $3,000 credit card balance. What was the monthly interest rate?
May 7, 2008 by Anonymous

math
Stever was charged $60.00 interest for 1 month on a 3,000 credit card balance. What was the monthly interest rate.
March 25, 2010 by willie

physics
If you have a 3 inch by 3 inch card sitting perpendicular on a table how much air does it push when it falls?
May 24, 2011 by michael

probability
From a well- stuffed deck of playing cards is drawn. Find the probability that: a.) it is a spade? b.) it is a face card? c.) it is a jack?
September 20, 2012 by Anonymous

Albebra
A flush in a five card hand with all cards of the same suit.What is the probability of getting a flush?
May 28, 2014 by Mike

Science - Chromatography
I performed a TLC of plant pigments in my lab class with a solvent of petroleum ether/ acetone (7:3) and used a silica gel plate. It is expected that the most polar pigments (chlorophyll) will be located near the bottom and the carotenoids near top. In my experiment, it was ...
October 5, 2008 by Veronica

science
scientist performed an experiment to determine whether ther is a connection between learning and the ability and food.the group that had been fed had retained this ability but the other had not.the probable reason that the scientist used only mice from the same pure bred stain...
October 9, 2007 by jessica

Science
. Which of these processes would NOT be a part of a scientific investigation of an infectious disease? (Points : 1) cataloguing symptoms forming a hypothesis intentionally infecting people researching the disease 2. In an experiment, 20 pea plant seeds were placed on moist ...
June 24, 2010 by yakime

Physics
There is a very large horizontal conducting plate in the plane (consider it infinitely large). Its thickness is . The charge densities on the upper and the lower surfaces are both equal to . The goal of this problem is to find the electric field (magnitude and direction) at ...
February 24, 2013 by P

Algebra II
Help me with this question please There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10 selections. ...
April 15, 2014 by Me and I

Chemistry - Ksp
i did an experiment where we titrated HCl on calcium hydroxide, and now i am confused with the calculations, i do not know if i am correct, so please help me out... Trial One volume of HCl used - 11.20mL concentration of HCl - 0.04mol/L so to get moles of HCl i used M= CV is ...
April 25, 2011 by Farah

chemistry
if calculating molecular weight of unknown by freezing point depression...All of the unknowns in the activity were nonpolar organic molecules with molecular weight= 100-250 g/mol and using around 1g of the unknown. Provide an example of a solvent that could possibly be used ...
April 22, 2013 by JENNA

Experiment+ bio
In the 1950s the heavy isotope of nitrogen (15N) and an ultracentrifuge were used in an experiment to investigate the manner in which DNA replicates. Bacteria were grown in a culture containing 15N nucleotides for several generations to ensure that only heavy 15N would be ...
December 12, 2006 by Chalrey

statistics
1.a person selects a card from a deck .it is a red card ,he wns 1$.if it is black face card between or including 2 and 10,he wins $5.if it is black face card,he wins $10 and if it is black ace,he wins $100.find the expectation of the game is to be fair? 2.if 30% of all ...
December 3, 2011 by Maro

lab!
Use the following description of an experiment to answer the questions. A mixture was made of water and egg white (albumin). Upon heating, the mixture coagulated. The following tests were then performed on the coagulated mixture. Test Tube 1 The mixture is added to trypsin and...
August 9, 2006 by adam!

statistics
Consider a random sample of 37 students, and consider the number who graduate in six years. . Find the probability that 20 students in the sample graduate in six years
March 20, 2012 by Jack

Business English
Selecting concrete words 22. we have found that young men are best for this work. 23. She makes good grades 24. John lost a fortune in Las Vegas. 25. if we don't receive the goods soon we will cancel. 26.some years ago she made good money 27. His grades on the aptitude test ...
October 18, 2011 by efi

statistics
We believe that 77% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 40 students from the population. If the true percentage is really 77%, find the probability of observing 39...
August 8, 2010 by yamini

math
two card are chosen at random from a standard deck of cards with replacement. What is the probabilit of getting two aces
January 17, 2011 by Anonymous

ctu math
calculate the interest charge on a $5.000 balance with the visa student card annual interest rate of 10.8%
August 3, 2013 by simone

Physics
A 12,000kg railroad car traveling at 12.0m/s couples with an identical car sitting on the tracks. What is the speed of the joined card?
April 22, 2014 by Shon

Health Care
Describe an example of “abnormal” endocrine function by selecting a gland, a hormone it is supposed to release, and how the target organs are affected when that specific endocrine process does not function properly. How would you explain the process to a younger patient? Offer...
August 18, 2009 by need a serious and urgent help with this

probability
a bag of 100 marbles contains 0 blue, 25 green, 25 mixed,and 20 clear. what is the probality of selecting a blue? ablue and green? a marble that is not clear? ablue on the first draw and a clearon the second draw? a
April 25, 2011 by ryee

probability
a bag of 100 marbles contains 30 blue, 25 green, 25 mixed,and 20 clear. what is the probality of selecting a blue? ablue and green? a marble that is not clear? ablue on the first draw and a clearon the second draw? a
April 26, 2011 by ryee

algebra
If there are 8 red disks numbered 1 through 8, and 6 yellow disks numbered 9 through 14 placed in a box. Find the probability of selecting a red disk numbered 3.
November 14, 2010 by Kelly

math
A jar had 16 marbles 4 are red . One marble is drawn and not replaced. Then s second marble is drawn . What is the probability of selecting a red marble and then another red marble?
February 21, 2013 by mary jackson

math
A jar had 16 marbles 4 are red . One marble is drawn and not replaced. Then s second marble is drawn . What is the probability of selecting a red marble and then another red marble?
February 22, 2013 by mary jackson

math
A jar had 16 marbles 4 are red . One marble is drawn and not replaced. Then s second marble is drawn . What is the probability of selecting a red marble and then another red marble?
February 22, 2013 by mary jackson

math
A jar had 16 marbles 4 are red . One marble is drawn and not replaced. Then s second marble is drawn . What is the probability of selecting a red marble and then another red marble?
February 25, 2013 by mary jackson

research methods
a bag of 100 marbles contains 0 blue, 25 green, 25 mixed,and 20 clear. what is the probality of selecting a blue? ablue and green? a marble that is not clear? ablue on the first draw and a clearon the second draw?
April 24, 2011 by maria

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