
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 
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 wilton on May 2, 2014 
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 
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 
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 
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 
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
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
Rates
Guys, how much would you rate this website? From 110. Do you feel like others are helping you with your questions? Remember that we don't solve for you. We explain the situation you are in and then you solve it on your own. This website's caption is
asked by Light Bulb on January 21, 2017 
Environmental Conservation
What are the loopholes in blindly assuming that Traditional Ecological Knowledge (TEK) is the most complete knowledge for effective conservation? What are the possibilities of linking traditional knowledge with scientific methods to help in conservation
asked by Ana on August 18, 2015 
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 
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 
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 
Economics
A neoclassical theorist would use the formula Y = (w r * L s) + (I r * K s) to explain why a given person, John, is poor. a) According to the Neoclassical Theory, how would John decide how many hours of labor to supply? Draw an appropriate diagram to
asked by Kim on October 20, 2006 
statistics
Your muffler factory claims to manufacture mufflers with a lifespan of more than 10000 miles of usage. A consumer group tests this claim at the 95 percent significance level, and finds that a sample of 64 mufflers have a mean lifespan of 10002 miles, with
asked by lulu on August 23, 2014 
Physics waves check answers please
I am not too sure if my answers are correct. Here are the questions: 1. A student standing near a brick wall claps her hands and hears the echo 0.250 s later. If the speed of sound was 340.0 m/s, how far from the wall was she? For this question I got 85 m.
asked by Liz on April 21, 2014 
Writeacher
To earn the appreciation of honest critics and endure the betrayal of false friends; To follow the way your honest critics want you to trail and change their outlook about you. To suffer the pain your false friends give you from within, but don’t let it
asked by Angelina on November 9, 2010 
Physics
A bullet is dropped into a river from a very high bridge. At the same time, another bullet is fired from a gun straight down towards the water. If air resistance is negligible, the acceleration of the bullets just before they strike the water A. is greater
asked by JC on September 10, 2006 
math
PLEASE HELP I WOULD REALLY APPRECIATE IT! 1. Write an expression to describe a rule for the sequence. Then find the 100th term in the sequence. 3,10,17,24,31,38 ANSWERS: A) n+7;707 B) 7n:700 C) 7n4;696 ** D) 6n4;596 2. Write a rule for the function
asked by anonymous on May 14, 2015 
11th grade math
A box without a lid is constructed from a 38 inch by 38 inch piece of cardboard by cutting in. squares from each corner and folding up the sides. a) Determine the volume of the box as a function of the variable . b) Use a graphing calculator to approximate
asked by Channing on January 21, 2010 
Physics
The temperature of your skin is approximately 35C degrees. What is the wavelength at which the peak occurs in the radiation emitted from your skin?
asked by Pardis on March 18, 2011 
physics
A car is speeding up and has an instantaneous speed of 14.0 m/s when a stopwatch reads 9.0 s. It has a constant acceleration of 2.3 m/s2. (a) What change in speed occurs between t = 9.0 s and t = 12.2 s?
asked by abbie on September 6, 2011 
chemistry
Calculate the standard cell potentiqal for the galvanic cell in which the following reaction occurs: 2Na(s) + 2H20(l) > H2(g) + 2NaOH(aq)
asked by Priya on April 22, 2008 
Physics
The temperature of your skin is approximately 35C degrees. What is the wavelength at which the peak occurs in the radiation emitted from your skin?
asked by amy on March 18, 2011 
Science
Hi if you know about static electricity can you explain how lightning strikes form? Can you think about when lightning occurs to formulate your answer to my question please. Thank you so much!!!
asked by Rosey on January 14, 2016 
chemistry
Calculate the standard cell potential for the glavanic cell in which the follwoing reactino occurs: 2I^(aq) + Br2(l) > I2(s) + 2Br^(aq)
asked by Priya on April 22, 2008 
Physics
The temperature of your skin is approximately 35C degrees. What is the wavelength at which the peak occurs in the radiation emitted from your skin?
asked by Abby on March 22, 2011 
Chemistry 1115
What is the chemical equation for the reaction that occurs when you add 0.1 M NaOH solution to the HC2H3O2NaC2H3O2 buffer solution?
asked by Marci on November 26, 2012 
physics
A small crack occurs at the base of a 15.0 m high dam. The effective crack area through which water leaves is 1.30 *103 m2
asked by Anonymous on December 3, 2014 
Science
State four of the transformation of energy which occurs at a power station which uses coal as its fuel. Account for the energy losses.
asked by UEW on November 3, 2017 
chemistry
How many liters of HCl are produced by the reaction of 5.7 L of hydrogen with an equal amount of chlorine? The reaction occurs at STP.
asked by Alondra on December 7, 2011 
chemistry
A mixture containing 0.0392 M A(g) and 0.0452 M B9g) is allowed to come to equilibrium at 300K. The reaction: 3A(g)+ 2B(g)=> C(g)+ D(g) occurs. At equilibrium, [C]=0.00128 M What is the value of Kc?
asked by Jim on July 3, 2010 
Chemistry
Ionic bonding typically occurs when a ______________ bonds with a ______________
asked by Help on November 14, 2011 
Science
which one occurs more often lunar eclipse or solar eclipse? this is just a question i'v been thinking of
asked by Savanna Reed on February 16, 2017 
Chemistry
Ok, so in an when an endothermic reaction occurs, is it hot or cold? and why? Also what is it for an exothermic reaction? Thank you
asked by K on May 31, 2013 
Chemistry
X(g)+ 2Y(s) + 3Z(g) ⟶ 2L(g) + 4T(g) If this reaction occurs in one step, what is the order of this reaction? I am not even sure what this means. Could someone explain?
asked by Summer on April 11, 2018 
Chemistry
Ok, so in an when an endothermic reaction occurs, is it hot or cold? and why? Also what is it for an exothermic reaction? Thank you
asked by K on May 31, 2013 
chemistry
For the reaction that occurs in the voltaic cell Fe(s)Fe^2+(aq)Cr^3+(aq),Cr^2+(aq)Pt(s) a) Determine delta G not b)Determine K
asked by lynn on March 29, 2009 
MATHS>>>PLEASE HELP
find the maximum value of: 5+sinx3cosx and state the value of x for which this maximum occurs
asked by john peaterson on April 1, 2010 
Calculus
If y = 18  3x, what is the maximum value of the product 2xy? A. 3 B. 0 C. 3 D. 6 E. 54 I found that the value of the maximum occurs at x = 3, but that the value itself is 54. Is E the answer?
asked by Anonymous on April 23, 2017 
chemistry
Hey...how r u guys..thanks for helping me on my previous questions...can u help me solve two questions and check one? Thanks, all the questions are related to the info given: In some industrial processes, sodium chromate is added to water coolants. When
asked by David on June 19, 2006 
GOVERNMENT
TWO QUESTIONS 1. Discuss 2 limitations the supreme court has imposed on the exercise of 1st Amendment rights to free speech? On what grounds have these limitations been justified? 2. What is due process of law? Describe 2 of the due process guarantees
asked by JAYLEE on January 15, 2007 
Anatomy
Which of the following cells lacks mitochondria? a. neutrophil b. platelets c. basophils d. erythrocytes I just need some assistance and assurance that my answer is reasonable. I'm thinking that the answer is d. erythrocyte because it is not a true cell. I
asked by Stephanie on October 29, 2013 
Algebra
If a researcher wanted to know the mean weight (the mean is the sum of all the measurements divided by the number of measurements) of women in the U.S., the weight of every woman would have to be measured and then the mean weight calculated, an impossible
asked by Kim on September 30, 2014 
math
I have a couple of math questions that i cant seem to get to work out. can someone help me please.? 1.) (x/x+6)(6/x6)=(x^2+36)/(x^236) 2.) (r2)(2r)=0 3.) add (8/ty^2)+(9/t^2y) 4.)add (7/w)+(8/w^2) 5.)add ((r+10)/r)+(r/(r+10)) 6.) divide
asked by jen on March 10, 2010 
Chemistry
Hi! I am doing this chemistry lab of solubility curve of a solid investigation and this is for KCl. The purpose of this lab is to investigate the relationship between the solubility of potassium chloride and the temperature of its solution and to create a
asked by Lori on February 19, 2013 
Chemistry
Hi! I am doing this chemistry lab of solubility curve of a solid investigation and this is for KCl. The purpose of this lab is to investigate the relationship between the solubility of potassium chloride and the temperature of its solution and to create a
asked by Lori on February 19, 2013 
math
abbi invested 1,500 dollars in a certificate of deposit with a simple interest rate of 4 percent. find the interest earned in 6 years. then find the total of principal plus interest
asked by iconiac and a granderz fan on February 1, 2012 
chemistry
the Ka for acetic acid, HC2H3O2, is 1.8x105 at 25 deg. Celsius. In a .10 M solution of potassium acetate, which of the following are true? I. [HC2H3O2] = [OH] II. [H+] = [OH] III. [C2H3O2] < .10 M a. I only b. II only c. III only d. I and II e. I, II
asked by Anonymous on April 22, 2007 
math
The statement is If a number is divisible by 2 and by 3, then it is divisible by 6 and vice versa. Is this statement true? Give an example or counterexample. I believe it is true but am stuck on the counterexample/example.
asked by m on October 8, 2010 
Calculus
If an arrow is shot straight up from the surface of the moon with an initial velocity of 100 ft/s, its height in feet after t second is given by s(t)=(100t)−(83/100)(t^2). Use the limit definition of the derivative to find the answers to the following
asked by Linda on June 9, 2013 
Chemistry
A few questions...how many grams are in 48.7x10^24? I don't know how to convert atoms to grams. I can do moles to grams or moles to atoms, but not atoms to grams. My other problem is how do you convert moles to moles as in "how many moles of Cu2O are
asked by Angeline on April 20, 2009 
Chemistry
Write mathematical equations that show how you will calculate the detected activity from the count rate due to background radiation and the sample of KCl and how you will determine the “true” activity of your sample from the detected activity. Use the
asked by Annie on November 10, 2016 
economics
191 Bicycle Insurance and Information Asymmetry If bicycle owners do not know whether they are high or lowrisk consumers, is there an adverse selection problem? 192 IPOs and Adverse Selection Should owners of a private company contemplating an IPO (a
asked by lori on May 2, 2013 
economics
191 Bicycle Insurance and Information Asymmetry If bicycle owners do not know whether they are high or lowrisk consumers, is there an adverse selection problem? 192 IPOs and Adverse Selection Should owners of a private company contemplating an IPO (a
asked by lori on May 2, 2013 
chemistry
home / study / questions and answers / science / chemistry / a chemical engineer studying the properties of ... Question A chemical engineer studying the properties of fuels placed 1.760 g of a hydrocarbon in the bomb of a calorimeter and filled it with O2
asked by patrick on October 24, 2015 
English
How are you feeling? 1. I am delighted. 2. I am thrilled. 3. I feel overjoyed. 4. I feel disgusting? 5. I feel anxious. 6. I feel dissatisfied. 7. __________ 8. ___________  Are the answers all correct? What other common
asked by rfvv on March 2, 2017 
Math
There is a football field and the length shows 120 yd and the width is 53 1/3 yd a. What are the dimensions of a football field in feet? b. A chalk line is placed around the perimeter of the football field. What is the length of this line in feet? c. About
asked by Erik on October 18, 2016 
W.history
Has anybody read Lord of The Flies?? Yes. Many of us have read Lord of the Flies. If you post your questions and your answers, we'll be glad to critique them for you. OK well, 1.Who is the leader of the choir boys? I think it is their teacher 1.Who is the
asked by margie on October 11, 2006 
Health
Vivian has been having abdominal pains for the past week. Now that she has started her new job and received her new health insurance, she is finally able to schedule an appointment with a doctor. As Vivian arrives in the waiting area of the new doctor’s
asked by Brenda on September 7, 2008 
to kill a mockingbird
I'm reviewing for my test about the novel "To Kill a Mockingbird". There's this question I can't answer: 1. What are the generalizations (like stereotyping) made about black people? Who makes them? And how are black people affected by it? The same question
asked by lily on October 28, 2009 
Science
One light bulb in a string of lights goes out this causes all other lights in string to go out. This is example of A. Resistor B. parallel circuit C. Closed circuit***** D. Series circuit When a switch is turned from the off to the on position it is
asked by BUBBLES on March 2, 2015 
geometry
Hello I have an assignment were I have to answer the following questions. I have posted the questions and their answers below can someone please read over them and see if what I wrote is correct and if it is not how do I fix it? Thank You ! 1.Who was
asked by need help on August 19, 2011 
English
1. What's your favorite subject?  My favorite subject is social studies. Why do you like social studies?  Because it's interesting and informative. 2. What subject do you like most?  I like Chinese letters most. What makes you like Chinese letters so
asked by rfvv on March 15, 2016 
math
The set S has the property that if a is in S, then a squared + a is also in S. What set could be S? The answer is {1,0}. How do you get this answer? What numbers squared are itself? one and zero But what exactly is a set and what is a? I'm not sure,
asked by June on October 18, 2006 
Math
I posted this problem the other day and someone answered it but when I checked my book I realized that I wrote the problem wrong. The answer is suppose to be 43/128 and I can't get it. Thanks (1/4)^2/(1/23/4)+ 3/2^3
asked by Josh on January 23, 2010 
Math
I really need help with a quadratic question. So the problem is kx^2+[k+2]x3=0 has roots which are real and positive. Find the possible values that k may have. The answer is 8+ √60
asked by Barbra on September 17, 2016 
math
Create your own word problem that uses a system of equations to solve. Your problem must include the following words: beach,hammock,dance,and troll.
asked by Nick on February 24, 2011 
Calculus
I'm a bit confused about the average equations with integration. I need to solve this problem, and I think I'm supposed to use substitution, but I can't get it to work. The problem looks like this: z(t)=4tsin(t^2), [0,π^1/2] Any input?
asked by Rachel on February 27, 2011 
Science
Madeira uses the water cycle to generate electrical power but this becomes a problem during the summer. What is the problem and explain the renewable energy solution.
asked by Mileena on June 12, 2017 
Algebra
Slove each system by substitution. 4x = y  1 6x  2y = 3 I have already attempted this problem and couldn't figure out what I should do. I came out with 4x + 1 = 3x + 1.5 I think this looks right because our teacher told us that for this specific problem
asked by David on December 15, 2010 
chemistry
hi Dr Bob..can you please help me with this chemistry problem? I got problem dealing with the chemical formula.How i want to find the number of moles of 2g of Fe(NH4)2(SO4)2.6H2O???please help me.Thank you
asked by tarra on August 15, 2010 
ALGEBRA 2
Factor the given expression. Then use the zero product rule and the quadratic formula to solve the problem. There should be three solutions to the equation. x^32197 x= PLEASE, help me with this one problem I am stuck on! THANKS!
asked by student on April 16, 2013 
Math(Please Check)
Problem: 4x/(x+2)8/(x1) What I Got: 4x^24x16/(x+2)(x+1) *I had to simplify the rational expression No. At x=0, it doesn't check. The starting problem gives 8, your answer gives 8. I suspect a sign error somewhere. Probably in the denominator, the x+1
asked by margie on March 6, 2007 
SAT Math
I don't remember what problem I struggled to understand... But it was something like this... There are 3000 numbers so how many of them are odd.. Something like that.. Please give me a problem like that and please teach me!!!! I hope you know what I am
asked by Anonymous on December 7, 2013 
5th math
what is the average number of hot dogs sold? 12,12,13,17,21,22,22,22,22,30,32,37. please! show me this how to solve this problem? my last question for today.thank you very much without your help . it;s impossible to understand this problem.
asked by pat on January 27, 2011 
ALGEBRA 2
Factor the given expression. Then use the zero product rule and the quadratic formula to solve the problem. There should be three solutions to the equation. x^32197 x= PLEASE, help me with this one problem I am stuck on! THANKS!
asked by student on April 16, 2013 
Physics
Write a projectile motion problem with the initial condition vi=15 m/s at 50° above the horizontal. Solve this problem for ∆x, max height, and time of flight.
asked by Help on October 8, 2009 
Dynamic Earth
In Egypt, the Great Pyramids of Giza face slightly east of true north. Explain why the pyramids might not line up with true north as builders likely intended. Assume that the builders 4500 years ago could determine directions accurately. I tried searching
asked by Anonymous on January 6, 2011 
social studies help???
ive been stuck on these 2 questions for a while can you answer them ?? Farmers in the north face which problem that those in the southern region do not ? A. infrequent rain limits plant growth B. the worst pollution in the country is found here. C. they
asked by Matt on January 18, 2014 
Math
i am still having problem with getting answer to problem 2 divided by a number equals 3/4. i need help please
asked by Anonymous on March 11, 2016 
Algebra help please.
So, I carried this problem through: (0,5) M=2 y=2x+B 5=2(0)+B 5=0+B 5=B y=2x+5 How do I write this in standard form? Did I do this problem right? Thanks!
asked by Allyson on November 29, 2010 
algebra
Describe how you know if an inequality is an “and” or an “or” problem. (use 3 < x+5 < 8). Also, how do you know if an absolute value question is an “and” or an “or” problem?
asked by Anonymous on April 19, 2015 
math
Solve x^2+2x4=0 When i try to factor this problem out I cant get it to work. Is this a no solution problem
asked by jen on April 11, 2010 
algebra
Need help with this problem 8x5y=20 5y8x=20 Please help me with this problem Solve the system of equations by graphing.
asked by jspurlock on April 6, 2009 
English
I have to write a problemsolution essay and I can't think of a topic. Please help. It can be about any problem.
asked by Briana on April 7, 2010 
Glenview
if you have 2 sets of 2 numbers in one math problem how do you get themode for that problem.
asked by Brady on September 18, 2007