doris
Popular questions and responses by doris
Math
Two ship leave port at the same time one travel at 5km/h on a bearing of 046 the other travel 9km/h on a bearing of 127 how far apart are the ship after 2 hours
asked on April 21, 2020 
Chemistry
Washing soda is a hydrate of sodium carbonate. Its formula is Na2CO3 X xH20. A 2.714 g sample of washing soda is heated until a constant mass of 1.006 of Na2CO3 is reached. What is x? What is the experimental mass percent of water in the hydrate?
asked on October 11, 2010 
Chemistry
A 4.5 g piece of magnesium ribbon undergoes combustion in air to produce a mixture of two ionic solids, MgO and Mg3N2. Water is added to this mixture. It reacts with the magnesium oxide to form 9.97 g of magnesium hydroxide. Assume all reactions go to
asked on October 13, 2010 
Physical Science
At 27 degrees Celsius and 750 mm Hg, a sample of hydrogen occupies 5.00 L. The space it occupies at STP = 4.49 L. Should the 4.49 L be rounded to 4.5 L? If not, is there a specific rule that explains rounding for this type of problem?
asked on April 23, 2015 
Mathematics
Two dozen eggs and a loaf of bread costs K17.50. Half a dozen eggs and two loaves of bread costs K14. Find the cost of a dozen egg.
asked on May 27, 2020 
phPhysical Science
A bird flew16 km west in 5 hours, then flew 20 km east in 6 hours. What was the bird’s velocity?
asked on October 19, 2015 
english
IS this a good thesis statement? On my wedding day I realized I had to make new changes in my life because I had to become a responsible adult, learn to be without my parents and become independent.
asked on September 7, 2014 
algebra
A=P(1+r/n)^nt a) Suppose you deposit $3000 for 6 years at a 7% rate
asked on November 4, 2012 
algebra
s(t) = 68 − 20 log (t + 14), t ¡Ý 0. a) what was the average score when they initially took the test, t = 14?
asked on November 3, 2012 
Subordinate Groups
African Americans where the group originated, how it came to the United States, and one or two locations in the United States where members of your group live.
asked on May 24, 2009 
Math
I can not find the solutions to the following problems using 2 methods: algebraically and geometrically. 1. X with the square root of 2 =9 2. X with the square root of 3 =27 3. X with the square root of 4 =27 Note: Fourth root I'm not sure what you mean
asked on September 28, 2006 
Maths
Y varies partly as X and partly as the square root of inverse of X. If Y=11 where X=9 and Y=20 where X=9 calculate Y when X=12.
asked on April 14, 2018 
English grammar
This is about a tag question. The question is : Either you or he has to go with me,_________? I have to chose the correct answer from the following : A)doesn't he B)do you C)isn't it D)is it
asked on March 7, 2018 
Chemistry
18cubic centimeters of 0.8Mlithium hydroxide is neutralized by 24cubic centimeters of 0.3Msulphuric acid.What is the formular of the salt formed?
asked on September 23, 2016 
Chemistry
20cubic centimeters of 0.27M sodium hydroxide solution is added to 18.2cubic centimeters of 0.75M hydrochloric acid.To the solution is then added excess magnesium.What volume of hydrogen gas measured at s.t.p evolved?
asked on September 23, 2016 
Chemistry
84cubic centimeters of hydrogen chloride gas measured at s.t.p is dissolved in water and titrated with 0.15M sodium hydroxide.What volume of sodium hydroxide solution is required for complete neutralization?
asked on September 23, 2016 
Chemistry
how many cubic cm hydrogen chloride gas at s.t.p would be required to precipitate all the silver ions from 32 cm of 0.08 M silver nitric solution?
asked on September 23, 2016 
Chemistry
What volume of ammonia gas at s.t.p is required to neutralise 40 cm of 2 M sulpheric acid?
asked on September 23, 2016 
Chemistry
8.4 g of a mixture of potassium hydroxide and potassium chloride were made up of 1 litre of aqueous solution. 20 cm of this solution required 24.2 cm of 0.1 m nitric acid for neutralisation. calculate the percentage by mass of potassium chloride in the
asked on September 23, 2016 
PED
shooting basketball jump shots from different sports around the key is an example of which type of practice?
asked on May 1, 2016 
cultural diversity
what is a metalinguistic strategy designed to shape a child's concept of print
asked on April 30, 2015 
statistics
1000 raffle tickets are sold and the winner is chosen at random there is only one prize $500 in cash you buy one ticket(a) what is the probability you will win the prize of $500 (b) your expected earnings can be found by multiplying the value of the prize
asked on April 29, 2014 
stat
only 65% of climbers reach the summit, a random sample of 16 climbers what is the probability that(A) all 16 reach (B) at least 10 reach (C) no more than 12 reach
asked on April 2, 2014 
geologic time
ancient cyanobacteria released__________,what is assisted in creating the atmosphere as we know it today
asked on February 13, 2014 
history
How can I help I am good at some of the question you help me now I want to give it back
asked on February 2, 2014 
history
After election of 1890 organized groups supporting farmers called for the information of a third party that became generally known as what party
asked on February 2, 2014 
Physics, Help me please,
What is the potential difference between Points A and B? E=100N/C AB=.2M degrees of 30
asked on April 24, 2013 
physics
What is the average speed of a car that travels 210 m in 25 second, then speeds up to 0.47 km in 20 second and then slows down to 150 m in 0.50 minute?
asked on April 10, 2013 
Math
Tom bought a rectangular piece of land thatwas 3 miles long and 2 miles wide . Half of the land could be farmed . How many square milescould not be farmed .
asked on March 26, 2013 
math
TOM bought a rectangular piece of land that was 3 miles long and 2 miles wide .Half of the land could be farmed .How many square miles could not be farmed?
asked on March 26, 2013 
Algebra
A manager has $1170 made up of twenties and fifties. The total is 36 bills. How many fiftydollar bills does the manager have?
asked on December 5, 2012 
math
29.64acres=hectares?
asked on November 16, 2012 
physics
Find the heat flux due to radiation from a gasoline pool fire whose flame is 3 m tall with a 1 m diameter, and it is 3.5 m away from a target fuel. Assume e = 0.98 with a flame temperature of 1,300 K. Solve this problem by determining the configuration
asked on November 4, 2012 
acc202managerial accounting
need help with problems 1616, 1617 and 1618.
asked on April 30, 2012 
sciences
a radio wave travels 186,000 miles per second. how many kilometers will the wave travel in one microsecond?
asked on September 24, 2011 
strayer
If the principal P = $700, the rate r = 8 1 2 %, and time t = 1 year, find the following
asked on July 29, 2011 
strayer's
If a business borrows $20,000 and repays $30,800 in 4 years, what is the simple interest rate?
asked on July 29, 2011 
english092
I need help brainstorming on People in America living above their means.
asked on April 13, 2011 
Math
25 pea pods were broken apart and the number of peas in each pod recorded. the record looked as foolows: # of peas: 2,3,4,5,6 and frequency; 7,9,5,3,1 a. does this data appear to be skewed? b. What is the model class for theis survey?
asked on April 6, 2011 
Pen Foster Child Care
Can you look over these to see if they are right? 1. The first step to planning a child care center is to A. develop your program philosophy. B. determine the nature of the need for child care facilities in your community. C. establish goals for the
asked on November 28, 2010 
Math
how many pounds equal one ton?
asked on October 18, 2010 
Chemistry
When 1.11 g of vanadium is dissolved in HCl, 0.066 g of H2 is produced. Calculate the value of x for the compound VClx produced according to the chemical equation: V = xHCl > VClx + 0.5x H2
asked on October 13, 2010 
Chemistry
A sample of magnesium with a mass of 1.00 g is burned in oxygen to produce an oxide with a mass of 1.66 g. What is the empirical formula of the magnesium oxide produced? I know the answer is MgO. What are the steps to get that answer?
asked on October 10, 2010 
science
what colour would a green dress,red lipstick and white shoes appear under yellow disco lights and why
asked on October 2, 2010 
math
How do I complete each ordered pair so that is satisfies the given equation? y=2x=2x+5:(8,),(1,),(,1)
asked on May 26, 2009 
math
What is the equations to the missing coordinates in the following tables y = x + 4 x y 2 0 2 o 2
asked on May 26, 2009 
Math Application
World grain demand. Freeport McMoRan projects that in 2010 world grain supply will be 1.8 trillion metric tons and the supply will be only 3/4 of world grain demand. What will world grain demand be in 2010?
asked on May 25, 2009 
Math simplify
What is the simplifying process of 0.08r+0.5(x+100)=73.2
asked on May 25, 2009 
Math Application
Raising rabbits. Before Roland sold two female rabbits, half of his rabbits were female. After the sale, only onethird of his rabbits were female. If x represents his original number of rabbits, thenSolve this equation to find the number of rabbits that he
asked on May 25, 2009 
math
Raising rabbits. Before Roland sold two female rabbits, half of his rabbits were female. After the sale, only onethird of his rabbits were female. If x represents his original number of rabbits, then 1 2 x 2 1 3 (x 2). Solve this equation to
asked on May 25, 2009 
Subordinate Groups
African Americans Identify and describe which, if any, of these creation and consequence situations the group has faced: o Creation: migration, annexation, or colonization o Consequences: extermination, expulsion, secession, segregation, fusion, or
asked on May 24, 2009 
Racial and Ethnic Groups and U.S. Census Bureau Am
Assisignment is: Identify and describe whichm if any, of these creation and consequence situations the group has faced: 1. Creation: migration,annexation , or colonization
asked on May 24, 2009 
Vocabulary latin and greek
write a word with the latin or greek word parts below. latin root bene, which means "good" with the suffix diction___________ thanks
asked on April 28, 2009 
cook
what three things happen when starch is cooked?
asked on March 12, 2009 
Geography
how many continents are almost totally within the western hemisphere? what are they? Thanks!!!
asked on February 9, 2009 
Geography
what are the two longest countries in south America??? I'm not sure if it's Argentina, or Brazil? Thanks!!!
asked on February 1, 2009 
science
what is the role of the cell membrane in moving substance in and out of the cell? Thank u!!!
asked on November 17, 2008 
Studying tactics
Hi, I'm a senior in hs. my AP US history (2) teacher gives us ridiculously specific questions on our test. I read the chapter over and over again like 4 times and I still end up getting a 60% how can I improve my studying strategies? thanks!! Doris
asked on October 14, 2008 
COM/220
Explain to me about a thesis with compelling arguments and counterarguments? Doing a Project on Breast Cancer. Choose to do What is Breast Cancer. Would this be a good topic? Help please. Or some suggestions.
asked on September 16, 2008 
COM/220
How do you quote something with no aurhor. Doing an essay on Breast Cancer. My topic is What is Breast Cancer. Need to choose a wellstated idea and use a verb to introduce the quotation. Cited Source is "Breast Cancer" SICK! Diseases and Disorders,
asked on September 14, 2008 
Research Writing
Can someone help me please. How would one do a Annotated Bibliography?
asked on September 3, 2008 
Research Writing
Having a hard time of doing this. 500 words Identify examples of bias, fallacies, rhetorical devices in the speech of Citizen Kane. Speech is very short. Should I think outside the box for these questions. Did the speaker address arguments and
asked on August 31, 2008 
Writing
Anyone know of any website for free citing references, quotations and paraphrasing?
asked on August 29, 2008 
Research Writing
Anyone know of any reliable websites for Research on topic Homeless. Civil Right and Hate crimes of the homeless
asked on August 29, 2008 
Research Writing
How do you do this? I am lost. My topic I chose is Homeless. Summary of the Research Process I. Begin the project. A. Think about the assignment. B. Analyze your audience and the purpose for which you are writing. C. Select an appropriate topic. D.
asked on August 26, 2008 
Critical Analysis
Why and how could you apply critical thinking when evaluating each of the folloing: Articles, Advertising, Media Conversations.
asked on August 9, 2008 
Criticla Thinking
Comprehensive Argument Analysis. Must choose two topics. When finished one should have tow sources per topic. Sources can come from Magazines, Academic Journals, News and Web sites. Then must analyze four sources. Provide the title of the souce, provide
asked on August 9, 2008 
writing
How would you encourage a reluctant peer reviewer? Since this is not my area of expertise, I searched Google under the key words "reluctant peer reviewer" to get these possible sources: http://www.processimpact.com/articles/humanizing_reviews.html
asked on June 12, 2007 
Pre Algebra
How do you subtract and add mixed numbers? Give an example of a problem so that I can show you.
asked on October 25, 2006

Math
its not telling me the answer so noooooooooooooo!!!!!!!
posted on November 11, 2019 
English grammar
Thanks for your answer and help! I also think it's a very weird question from my friend's English test. She didn't know the correct answer either.
posted on March 17, 2018 
math
I would use (2/5 + 2/5 + 1/5)= (1 cup)(8)= 8 cups or 1 gallon of red paint. 1/4 + 1/4 + 1/8 = 5/8 cup of blue paint,which gives me 1 5/8 gallons of purple paint. correction
posted on February 26, 2018 
Translating a sentence into a onestep equation
53 is the difference of Vidya's age and 17 .
posted on November 2, 2017 
Calculus
Z=3x + 3y
posted on October 11, 2016 
English
Boys should help in de kitchen
posted on January 31, 2016 
Physics 101 (I'm stupid)!
An object acted on by a force of 2.8 N accelerates, 3.6 m/s2. What is the mass of the object?
posted on October 20, 2015 
physics
An object acted on by a force of 2.8 N accelerates, 3.6 m/s2. What is the mass of the object?
posted on October 20, 2015 
cultural diversity
I choose a
posted on July 2, 2015 
Marketing
First, imagine that you are a small business owner with a very limited promotional budget. You cannot afford large  scale mass media advertising, television or radio advertising. Briefly describe five things you could do to promote your business.
posted on June 10, 2015 
history
sorry I just got a 100 on a test and I wanted to help with the problem in history
posted on February 2, 2014 
cild care
childcare centers are automatically enrolled in a QRIS system when they apply ti be licensed
posted on March 11, 2013 
Algebra
Please show me how to set this problem up. I am confused.
posted on December 5, 2012 
Algebra
5
posted on April 24, 2012 
math
a math for a math
posted on February 27, 2012 
Math: Elementary
why is it obvious that 3/4 x 8/5 = 6/5?
posted on November 29, 2011 
marketing
Need to use the 4 P's of marketing Product Price Place Promotion
posted on September 1, 2011 
college
DISCUSS ANY AREAS RELATED TO CITING SOURCE THAT YOU FIND CONFUSING OR DIFICULT TO UNDERSTAND OR APPLY.
posted on October 18, 2010 
Philosophy
What is the meaning of validity,truth and soundness as they relate to the area of logical syllogism?
posted on November 10, 2009 
Math Application
There is know problem. You stated you call not read my post. Thank you
posted on May 25, 2009 
cultural diversity
Identify and describe which, if any, of these creation and consequence situations the African American group has faced: o Creation: migration, annexation, or colonization o Consequences: extermination, expulsion, secession, segregation, fusion, or
posted on May 24, 2009 
Please look over for mistakes
Assisignment is: Identify and describe whichm if any, of these creation and consequence situations the group has faced: 1. Creation: migration,annexation , or colonization
posted on May 24, 2009 
COM/220
Stated this wrong. Topic is on Cancer. Doing assignment on Breast Cancer. Should I not tell what it is. What are some of the causes, the statics, treatments, etc. Trying to figure out a thesis topic
posted on September 16, 2008 
COM/220
My topic is Breast Cancer
posted on September 16, 2008 
COM/220
to treat
posted on September 16, 2008 
COM 220
Having trouble with APA formatting.
posted on September 2, 2008 
Criticla Thinking
I am stuck on this question. Would like to do my article on homeless and homeless people. Then I must answer 10 questions about the articles.
posted on August 9, 2008