
Chemistry
Given the following balanced equation: 2Na + Cl2 > 2NaCl A.List each element on the reactant side and each element on the product side and assign the correct oxidation number to each. B.Identify which element is oxidized in the reaction and which is
asked by Samantha on April 26, 2018 
English
1. What do people all around the world love doing?  They love eating street food. 2. How is street food?  It looks good and tastes delicious. 3. What is New York City like?  It is a busy city. 4. What's there on almost street corner?  There is fast
asked by rfvv on May 26, 2015 
Algebra
Ok a few questions I want to check answers on  x+49x+3¡Ý 7(x2) 10x+7¡Ý7x14 10x7x¡Ý7x7x14 17x¡Ý21 17x/17¡Ý21/17 x¡Ý21/17 or x¡Ü21/17 ?? One I do not understand at all  The linear equation y=3x5 graphs as a
asked by John on October 9, 2007 
science
Explain how a mutation in an individual's DNA occurs, and describe the effect it may have on the individual's traits.
asked by brandi on December 13, 2016 
Science
Explain how a mutation in an individual's DNA occurs, and describe the effect it may have on the individual's traits.
asked by Tordy on October 23, 2017 
Philosphy
DuBois claims that this occurs when the stronger members in society do not protect the weaker members:
asked by jasmine on October 1, 2014 
Physical science
Consider the following reaction that occurs at STP:what mass of N2 gas is needed to react with 12g H2 gas?
asked by Thandi faith mapili on September 2, 2015 
science
What kind of chemical bonding(chemical elemants) occurs in bricks, elastic, and rope
asked by long on March 15, 2012 
Inorganic chemistry
The following reaction occurs spontaneously. 2H+(aq)+ca(s) Ca2+(aq)+H2(g) write the balanced reduction halfreaction
asked by Steve on April 11, 2009 
PLS HELP URGENT
Only one of the following reactions occurs. HCl + F HF + Cl For the one that does occur which side is favoured? Explain WHY the other reaction will not occur.
asked by Jules on May 27, 2014 
physical science
when a physical change in a sample occurs which of the following does not change? a. shape b. temperature c. volume d. composition d?
asked by jenna on December 8, 2017 
math
if the probability that an event E occurs is 1/p+1, then find the probability that E does not occur in terms of a simple fraction
asked by Lala on May 25, 2017 
math
if the probability that an event E occurs is 1/p+1, then find the probability that E does not occur in terms of a simple fraction
asked by Lala on May 25, 2017 
math problem solving
the digit 5 occurs two times in the population of fairbanks. what is the value of each 5? explain your answer fairbanks 35,252
asked by janice on August 28, 2014 
History
So I was reviewing my online lecture for school, and I noticed something the teacher had said. The Plains Indians planted seeds in the Spring, hunted buffalo and small game in the summer, harvested crops and made sure there was a good food surplus for
asked by Katt on September 8, 2014 
Analytical chemistry
I did the next problem, i don't have the results for it and i just want to know if i calculated the mass for Fe2O3 the right? A sample is a mixture of iron oxides (Fe2O3 and FeOOH). It's known that at 200°C this reaction occurs: 2FeOOH(s)> Fe2O3(s) +
asked by Gloria on September 7, 2013 
probability
Consider a medical screening excersis for a disease that in the case that indicte that 5 people of 1000 people screenedhave the disease.the screening process is known to give a false positive 3% at times and a false negative 1% at times.what is the
asked by israel on January 14, 2016 
Chemistry
Can somebody check my answers? I Failed this test one time already. I do not want to fail it again. 1. When a pair of electrons is shared between two atoms, a covalent bond is said to have formed. Most often, the pair is formed A. by excess valence
asked by Amanda on August 26, 2011 
Physics
Which of the following statements for magnetism are true? (Give ALL correct answers) A) B does work on a charge only when the charge has a velocity component perpendicular to B. B) B acts only on charges at rest. C) B does work on a charge only when the
asked by Richie on October 6, 2007 
Chem202  for DrBob222
Dr. Bob222: There is a problem you answered .100M HClO2 titrated with .080M NaOH I can work the problem many times but I am getting 7.30pH and the answer says 7.38 using quad. I used quad and still get 7.30. I also do know how you go from the
asked by Steve on May 27, 2013 
math
If A, then B is equivalent to If not B, then not A Not (A and B) is equivalent to not A OR not B Not (A or B) is equivalent to not A AND not B Can you give an equivalent statement to 1. If an Iowa farmer does not grow corn or beans, then he grows alfalfa.
asked by Pat on September 9, 2012 
HELP MATH
how would u simplify this problem i think it is 60  x^6 am i right the problem is 5 4 3 _ + ___  ___ x x^2 x^3 I'm going to assume your problem is this: 5/x + 4/x^2  3/x^3 To simplify, find a common denominator, which is x^3 in this case. Using the
asked by cassii on August 8, 2006 
History
I need to come up with 3 questions to ask farmers about new machinery and farming techniques that helped them farm the Great Plains. I know the new machinery: a plow that made several furrows at once. Harrows, equipped with spring teeth to dislodge debris
asked by Jenny on August 6, 2014 
MATH
How do i solve the pair of simultaneous equations y=42x y=2x^23x+1 ?? how do i find minimum value of 2x^23x+1 and the value of x for which the minimum occurs???
asked by Aaliyah on June 17, 2009 
Shakespeare
I am trying to find an example of a paraphrase in Romeo and Juliet. I know that it is a restatement by another character but can not find where this occurs. Would someone please help me? Thank YOu.
asked by Ian on July 23, 2010 
Economics
What type of labor occurs in Kenya? What percentage of it is physical labor, mental, other? Thanks
asked by Anonymous on November 12, 2012 
Chemistry Acidbase titration
The indicated endpoint of an acidbase titration seldom occurs at a ph of 7. what determines the ph of the endpoint??
asked by David on April 25, 2013 
Chemistry
What chemical occurs to the red cabbage red for acids and blue for bases.
asked by jason on March 10, 2016 
Osmosis
What is concave plasmolysis and what is convex plasmolysis. Please don't just tell me that one is irreversable and the other is usually reversable. I'd like to know what actually occurs.
asked by Anonymous on February 5, 2011 
Physics C
A rifle is aimed horizontally at a target 100 ft away. The bullet hits the target .78in below the aiming point. a) What is the bullet's time of flight? b)What is its muzzle velocity? The answers should be a) 63 m/s b) 1.6 X 10 exponent 3 ft/s I don't know
asked by Layla on November 19, 2014 
Math
a deck of cards haa 52 cards. in it has 4 of {aces,2,4,3,4,5,6,7,8,9,10,queens,kings,and jacks well you know} what is the probability of getting 4 aces at a time? express your answers as a common fraction. ps. the answers 4/52 or simplfied is not the
asked by Cindy on November 15, 2010 
science
At a construction site a pipe wrench struck the ground wiht a speed of 24 m/s. a) From what height was it inadvertently fropped? b) How long was it falling? for a) the book said it was 29.4m and for b) it was 2.4s but I keep on getting the wrong answers.
asked by ben on September 11, 2006 
Math
What is the difference between "Give your answer correct to two decimal places." and "Round your answers to two decimal places." ?? Are they the same thing or do the answers differ?
asked by George on September 13, 2016 
math
A couple plans to save for their child’s college education. What principal must be deposited by the parents when their child is born in order to have $100,000 when the child reaches age 18? Assume the money earns 4% interest, compounded quarterly.
asked by denise on November 15, 2013 
drbob222 math,correction
i made some corrections for the previous postage can you check those when you get a chance please. Also for this one: my options of answers are: A)2y + 6/3 B)3x 6 /2 C)2 + 2y D)2/3y + 6 Directions: Solve for x: 3x  2y =6 3x  2y = 6 +2y +2y 3x = 6 +2y 
asked by jasmine20 on January 11, 2007 
science
If you watch a movie scene in which a loud explosion occurs in the space. What do you conclude about the accuracy of the scene?
asked by raquel on May 15, 2012 
Int. science
The creation of graphs usually occurs during _____. data analysis data collection observation questioning I think it might be B
asked by Mclovin on October 2, 2014 
Chemistry
Consider the following thermochemical equation: CH4(g) + I2(g) > CH3I(g) + HI(g) DH = +23 kJ What energy change occurs when 1.6 mol of CH4 reacts?
asked by Nisah on September 18, 2012 
calculus
f(x) = ln(ln(lnx)) has the domain of (e, infinity). I am not sure how this occurs however. I know in the case of ln x, x must be greater than 0. However where does e come from. e is the base of log in the case of ln, but something is just not clicking for
asked by Joshua on October 17, 2013 
fds
Which of the following selfconcepts do you think is false?
asked by rwt on April 11, 2016 
human reations
Another name for false productivity is
asked by correana on April 28, 2010 
math
if x=2 and y=2, which of the following is false: (a) (x) is greater than 1 (y) (b) (x) = (y) (c) (y) is less than 1 (d) (x) = y
asked by Angel on March 5, 2015 
math2
Which statement is false? a ¡ô {a, b, c} ¨ª ¡ø {a, b, c} ¨ª ¡ö {a, b, c} ¨ª ¡ô {a, b, c}
asked by anonymous on June 19, 2011 
Calc
Why is it false that F'(x) = G'(x) on the interval [a,b], then F(b) f(a) = G(b) G(a)?
asked by ian on November 16, 2016 
business math73
Use the Present Value Table on page 358 of your text to compute the present value (principal) for an investment with a compound amount of $20,000, a 30month term of investment, and a 14% nominal interest rate compounded semiannually. (Points : 2.5)
asked by Minnie on October 6, 2013 
Math
A Marathon runner runs 10 1/2 miles in 2 hrs. What is her rate? Write an expression to represent the problem. Solve the problem.
asked by Amy on January 11, 2017 
reading
what is the central problem the main character has? What is one event that leads to the problem? Island of the blue dolphins by scott o'dell novel
asked by nashali rivera on August 5, 2009 
education
How does this problem create a barrier for creating strong and healthy children in this country? problemtransportation need someone to explain and examples please.
asked by nina on May 11, 2016 
Math
I checked the problem but I didn't understand the answer how could you do?, because what happened with the fractions? Estimate the result of the following problem as a whole number: 4 1/43+2 15/16 1 24/26+ 5 11/12 3 3/61 Can you explain me, please....?
asked by Sha on January 20, 2010 
English
A: Can you wrap it, please? It's a gift for my son. B: No problem. In this short dialogues, what other expressions can we use instead of 'No problem'? Of coures. Sure. Can we use 'Sure thing.'? And some other exxpressions would be _______.
asked by John on October 1, 2008 
algebra
Can someone show me how to use the quadratic formula to solve this problem.This is for extra credit.I don't uderstand how to do this, so can someone point out the steps so I can be able to do the other five problem like this one. Thanks again for your
asked by Trina on September 4, 2010 
Math
Write an addition problem in which, when the addends are rounded to the nearest ten, the sum is 90. Then explain how you use estimation to solve the problem.
asked by Kelly on May 15, 2012 
Algebra
Why can a subtraction problem be rewritten as an additional problem without changing the outcome? Give a realworld scenario where this might be modeled.
asked by Rima on August 25, 2015 
Math
A marathon runner runs 10 1/2 miles in 2 hours. What is her rate? Write an expression to represent the problem. Solve the problem:
asked by Amy on January 23, 2017 
ALGEBRA
Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers. Problem #1 (3+2i)squared Problem #2 icubedisquared
asked by Dawn on February 9, 2010 
math,algebra
Can someone help me with this problem I don't understand what to really do or even how to graph them I show what i have so far. Directions: Solve each of the following systems of linear inequalities graphically. Problem:
asked by jasmine20 on January 2, 2007 
Math 3
graphing log functions for y=log12^x I don't have a calculator for this and I would like to know how to work this problem on paper so I can graph it to my chart. Can someone please help me with this problem?
asked by Brandon on October 20, 2010 
accounting
Write a word problem involving a discounted price. Describe the situation and pose the question, but DO NOT SOLVE the problem.
asked by catrina on January 29, 2011 
math
Write an addition problem in which, when the addends are rounded to the nearest ten, the sum is 90. Then explain how you use estimation to solve the problem.
asked by grace on January 5, 2015 
accounting
I've done the entire problem and I am at a complete loss on how to find the manufacturing overhead at the end. Help please. Problem below. I've scanned the pages, but can't put them up here.
asked by Ashley on February 7, 2009 
Algebra
multiplying sq rts sqrt18a^7b times sqrt27a^8b^6 I think I need to collect like terms such as the a's and b's. My big problem is order of operations. Every problem I do looks so different.
asked by Marysvoice on February 3, 2008 
Math
No, I'm sure the problem is written like this: [(3a^327a)/(2a^2+13a7)]/[9a^2/4a^21)] And to divide you multiply by the reciprocal. So i still don't get the problem I also know to factor, but I'm stil confused.
asked by David on August 7, 2008 
math
Find the cost of buying 4 dozen of exercise books at sh 6000 per dozen,a half dozen of pencil at sh 2050 per dozen,5 dozen rulers at sh 3600 per dozen #i need anyone to help me please# and in case someone know where i can get such the questions,i am kindly
asked by kelvin on February 23, 2017 
cjs/210
Can someone help me find a website to find the answers to the following questions? Examples of technology used in policing and how technology enhances or detracts from police organizations’ ability to function Examples of lessthanlethal weapons and how
asked by Meka S on July 17, 2012 
Math
What is the approximate circumference of a circle with a radius of 6 centimeters? A.12 B.18 C.24 D.36 My teacher says it's D and I agree but for the next question he says it's 12 and aren't these two questions the same? What is the circumference of the
asked by Jerald on March 25, 2013 
Math
A farmer was taking her eggs but they all fell on the floor. She didn't know how many eggs she had. But then she remembers when she put them in groups of two, there was one egg left over. When she put them in groups of three, there was also one egg left
asked by Sam on September 16, 2006 
pronouns/nouns
Could you please help with some of my homework questions of nouns and pronouns We can help you better, if you give us the specific questions. However, here are some sites that may be helpful. I got them by using the key words "noun pronoun" to search on
asked by Sandra on September 5, 2006 
Business Math
Find the amount of the principal on a loan at 6% interest for 274 days if the interest was $68.50, using the ordinary interest method. (Round to the nearest whole dollar amount)
asked by JJ on November 3, 2013 
business
In calculating the bank discount when discounting an interestbearing note, which one of the following is not used in the calculation? A. Discount period B. Bank discount rate C. Principal proceeds B is my answer
asked by debbie on February 21, 2016 
Algebra
Abbi invested $1,500 in a certificate of deposit with a simple interest rate of 4%. Find the interest earned in 6 years. Then find the total of principal plus interest.
asked by Yaz on March 2, 2015 
Math
Amy's school is made up of 524 students. The principal gave each student 3 pencils. Amy says 1,048 pencils were handed out. Is Amy's answer reasonable? Why or why not?
asked by Cons on June 25, 2017 
math
Abbi invested $1,000 in a certificate of deposit with a simple interest rate of 3%. Find the interest earned in 6 years. Then find the total of principal plus interest.
asked by urgent on March 11, 2018 
algebra
Abbi invested $1,200 in a certificate of deposit with a simple interest rate of 2%. Find the interest earned in 9 years. Then find the total of principal plus interest.
asked by breanna on May 27, 2011 
Math
you have a loan for $150,000 @ 5% on a 30 yr mortgage. You plan to pay off your loan in 10 yrs, Do you want your loan to be figured using the "Rule of 78" or the "Unpaid Principal Balance Rule" please help if possible Thanks in advanced
asked by lost!!!! any other answer on May 28, 2012 
math
Abbi invested $1,000 in a certificate of deposit with a simple interest rate of 4%. Find the interest earned in 8 years. Then find the total of principal plus interest.
asked by new on February 12, 2018 
Social studies?
Please ignore my previous post. I prematurely hit the enter key. I've been watching this board all day, waiting for someone to answer my physics question (no one has yet. sigh.) I just have to say Ms. Sue is my hero. She consistently answers almost every
asked by Anastasia Beaverhausen on August 16, 2007 
math
Using the formula, compute the true annual interest rate. Loan amount = $9,500 Monthly payments = $227.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth
asked by wilton on May 2, 2014 
Physics
*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we
asked by Justin on October 8, 2006 
math
Using the formula, compute the true annual interest rate. Loan amount = $9,500 Monthly payments = $227.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth) = _____.
asked by angel on May 16, 2016 
science
I'm doing Science right now. I have the answers down for most of them but I'm not sure if I am right..... Can u pls help me and tell me if my answers r right? I suck at science :S 1.A 2.C 3.B 4.D 5.D 6.A 7.? 8.A 9.E 10.C 11.A 12.D 13.C 14.B 15.? 16.? 17.?
asked by barnyardgal on April 24, 2018 
math
Find the cost of buying 4 dozen of exercise books at sh 6000 per dozen,a half dozen of pencil at sh 2050 per dozen,5 dozen rulers at sh 3600 per dozen #i need anyone to help me please# and in case someone has such type of questions,i am kindly need for
asked by kelvin on February 23, 2017 
Science
The geologic time scale originally ordered Earth's rocks by: A. absolute age B. relative age*** C. composition D. decades and centuries Where did scientists originally get their information to develop the geologic time scale? A. They collected and studied
asked by Anonymous on November 12, 2015 
English
1. Can people send letters to the people on Dongdo? Yes, they do. There is a postbox on Dongdo. 2. When was Dokdo first recorded as part of Korea? It was first recorded as part of Korea in the 500s. 3. What is the temperature on Dokdo? It is around 12 C.
asked by rfvv on November 10, 2016 
statistics
Can someone work this out for me, so I can use as an example to do the other ones. Does it pay to study for an exam? The number of hours studied, x, is compared to the exam grade received, y. x 4 4 6 1 1 y 75 90 95 60 80 (a) Find the equation for the line
asked by Sue on May 26, 2013 
math
After years of teaching, I can say (with 100% made up certainty) that the average number of questions the typical student can complete per minute is 5.Â If I choose any student at random (I'm looking at you), what is the probability that yo...er that
asked by josh on October 12, 2017 
Physics
a) Is it true or wrong to say that components in series must have the same potential difference across them? Either yes or no explain it. Marks = 5 b) Is it true or wrong to say that magnetic force vectors on charged particles point in the same direction
asked by Jiya on January 15, 2018 
Quantitative methods
State Bank made a loan at 12% interest for 360 days. If the amount of interest was $934.20, use the ordinary interest method to find the amount of principal borrowed.
asked by Richard Zimmerman on June 15, 2017 
Math
Someone loaned me $20.00 in 1962 without quoting an interest rate. Using whatever the market interest rate was at that time, how much money would I owe in 2013 including principal and interest, straight and compounded.
asked by Bee on December 22, 2013 
Calculus Help
The deal your assistant signs calls for the sale of a minimum of 260 chairs and up to 410 chairs. The price will be $88 per chair if only 260 chairs are bought, but will be discounted by $0.2 per chair (on the entire order) for every chair ordered in
asked by Anonymous on July 16, 2014 
Multiplying Binomials
You are planning a rectangular garden. Its length is twice its width. You want a walkway 2 ft wide around the garden. a. Write an expression for the area of the garden and walk. b. Write an expression for the area of the walk only. c. You have enough
asked by Emily on January 14, 2007 
Science 7R  Homework Check
1. List 4 reasons biologists use scientific names instead of common names in their communications. Answer 1. Scientific names help scientists aviod errors in communication. 2. Organisms with similar evolutionary histories are classified together, 3. The
asked by Laruen on January 26, 2012 
Math  Pre Algebra
Simple and Compound Interest Find the simple interest. principal= $870 interest rate= 6% time= 9 months Please help me I need the answer for tommorow.
asked by Tanisha on April 13, 2009 
National Government
The principal powers of Congress include all except the power of the purse. the power to declare war. implied powers. x the power to hire generals.
asked by Shirley on January 17, 2015 
Another Problem...PLz Help COunt Iblis
Statements Reasons 1. 3x  7 = 4 2. 3x  7 + 7 = 4 + 7 3. 3x + 0 = 4 + 7 4. 3x + 0 = 3 5. 3x = 3 6. (1/3) 3x = 3 (1/3) 7. (1/3) 3x = 1 8. 1x = 1 9. x = 1 Is this problem about explaining each step? yeah like you have to write the property of each Are
asked by Margie... on December 2, 2006 
Statistics
According to a study by the Centers for Disease Control, the national mean hospital stay after childbirth is 2.1 days. Reviewing records at her own hospital, a hospital administrator calculates that the mean hospital stay for a random sample of 81 women
asked by Michael on November 9, 2013 
Mathematics
1. 2/(2/3)+3/4/(4/5)= A. 1/5 B. 11/15 C. 47/60 D. 3 13/30 E. 12 2. If 2/5 of (2/3)/(5/6) is divided by 3/10, what is the resulting value? A. 1/15 B. 12/25 C. 8/15 D. 5/3 E. 125/27 3. Solve for x: 2x+3=5x8 Are there two answers?
asked by Anonymous on August 7, 2013 
statistics
When red blood cells are counted using a certain electronic counter, the standard deviation (SD) of repeated counts of the same blood specimen is about .8% of the true value, and the distribution of repeated counts is approximately normal. For example,
asked by Asmaa on December 12, 2009 
English 10th grade
"Well that's sculpture, making a '74 Toyota look like a '63 Corvette, only I didn't think of it that way...I was doing good work, and I was making good money." What is the purpose of the ellipsis (...)? I have it down to two possible answers: A. to prepare
asked by Jim on December 4, 2014 
maximum and minimum problems when function unknown
Hi, can anyone please help me with this problem, i have no idea what to do! The question is: a window frame is in the shape of a semicircle joined to a rectangle. Find the macimum area of a window using 300 cm of framework. i can usually solve these sorts
asked by elle on May 21, 2007 
Statistics
The owner of the Finer Diner submitted a proposal to you in hopes of selling the business to you. His asking price is $250,000. Your financial institution advises that your monthly payment to finance that amount would be $1850.00. This is in addition to
asked by Yvette on September 8, 2013