# dora

Popular questions and responses by dora
1. ## statistics

In 2006, 75.9% of first-year students said they used the Internet for research or homework. Administrators found that 168 of an SRS of 200 first-year students used the Internet for research or homework. Is the proportion of first-year students who used the

asked on October 9, 2013
2. ## Chemistry

The elements X and Y form a compound that is 40% X and 60%Y by mass. The atomic mass of X is twice that of Y. What is the empirical formula of the compound?

asked on March 7, 2018
3. ## maths

The 8th term of a Gp is ~7/32 find its common ratio if Its first term is 28

asked on January 22, 2019
4. ## English

You are a speaker in a school's debate on the topic "boys should not help in the kitchen" write your speech for or against the motion

asked on March 13, 2018
5. ## Physical Science

What is the advantage of using the Celsius scale over the Fahrenheit scale? The Celsius scale, being metric, makes more sense than using the Fahrenheit scale. Check this site for more information. http://en.wikipedia.org/wiki/Moral_hazard

asked on June 22, 2007
6. ## maths

Graham is serving pizzaat a party. Each person is given 3/4 of a pizza. Graham has 6 pizzas. How many people can he serve?

asked on January 23, 2018
7. ## psychology

hi can you please help me with the following 1) performance goals 2) mastery goals 3) the effect of praise 4) Expectations and self-efficacy i need the websites where i can get information from. please help me thanks

asked on November 24, 2009
8. ## entrepreneurship

You just received an email from your high school friend, Bill Hudson. You went to college, and then business school, while Bill stayed in your home town. Despite the differences in your paths, you are still very good friends. Bill is considering a

asked on August 28, 2008
9. ## finance

The Blinkelman Corporation has just announced that it plans to introduce a new solar panel that will greatly reduce the cost of solar energy. As a result, analys now expect the company’s earnings, currently (year 0) \$1 per share to grow by 50 percent per

asked on September 10, 2011
10. ## physics- pls help me

1. The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration -5.20 m/s2 for 4.45 s, making straight skid marks 62.5 m long ending at the tree. With what speed does the car then strike the tree?

asked on October 7, 2009
11. ## just a question

Can efforts to reinvent government solve the problems associated with bureaucracies? Why or why not?

asked on October 21, 2012
12. ## AP (Honors) World History

I need a good thesis statement for my continuity and change over time informative essay on Hinduism, but I don't know how to even start. Please help.

asked on February 14, 2012
13. ## Finance

Sports Novelties, Inc., has experienced an explosion in demand for its feathered football novelties. The firm currently (time 0) pays a dividend of \$0.25 per share. This dividend is expected to increase to \$0.75 per share 1 year from now. It is expected to

asked on September 10, 2011
14. ## physics

Search: A block of steel (7900 kg/m3) is suspended from a spring scale. The scale is in newtons.What is the scale reading if the block is in air?What is the scale reading after the block has been lowered into a beaker of oil (900 kg/m3) and is completely

asked on December 17, 2010
15. ## Algebra

what is the equivalent expression of 94 + xy

asked on March 10, 2010
16. ## O chemistry

1. Predict the relative rates for the reaction of butadiene and a. ethene, b. methyl propenoate, c. and maleic acid 2. what product is expected from the reaction of fumaric acid (trans-2-butenedioic acid) with 1,3-butadiene.

asked on March 3, 2009
17. ## social studies

is arizona closer to the equator or to north pole? What is the latitude? If it is greater than 45 degrees N, it is closer to the NPole. http://www.netstate.com/states/geography/az_geography.htm Yes it is.

asked on August 16, 2006
18. ## math

The sales of a certain product after an initial release can be found by the equation S = 16+56 where s represents the total sales and t represents the time in weeks after release. How many weeks will pass before the product sells about 225 units? Round

asked on March 25, 2020
19. ## Math

Interpret the meaning of the point (378,9).

asked on September 11, 2019
20. ## Calc

Find dy/dx by implicit differentiation and simplify the result 1. x=sec(1/y) 2. 4xy+ln(x^2y)=7 Hello I sort of know how to do these problems but not really. :( Can someone show all the work to solving them it would help me greatly. Thank you a lot.

asked on June 14, 2017
21. ## Math

An exercise book costs \$0.9 and a pencil cost \$0.6. What is the total cost of buying: 2 exercise books and y pencils in terms of Y?

asked on November 25, 2016
22. ## chemistry

write down the chemical formular for the following compounds 1.Sodium flouride 2.Berillium chloride 3.Pottasium iodide 4.Rubidium bromide 5.Magnesium sulphide

asked on September 27, 2016
23. ## Science

The following questions concern the iconic Nestle Toll House Chocolate Chip Cookie recipe, shown below: 2 1/4 cups all-purpose flour 1 teaspoon baking soda 1 teaspoon salt 1 cup butter or margarine, softened 3/4 cup granulated sugar 3/4 cup packed brown

asked on August 1, 2015
24. ## Intermediate Algebra

If a 9-foot tall adult elephant casts an 18-foot shadow, how long is the shadow of the 6-foot zookeeper? Use a proportion to set up and solve an equation. Round your answer to the nearest tenth of a foot if necessary.

asked on July 12, 2015
25. ## critical thinking

How are the problems in crime, housing and health interrelated?

asked on April 9, 2015
26. ## chemistry

what the balance equation for solid carbon

asked on February 14, 2014
27. ## social, political,

As a policy maker, how can sustainability be achieved

asked on July 1, 2013
28. ## Law

where can I find information on Issues in Supervision and Consultation?

asked on March 25, 2013
29. ## Law

Where can I find info on Professional Competence and Training in counseling?

asked on March 7, 2013
30. ## math

I am having difficulty with statistics..I am taking stats 4, but haven't taken 3 yet. Explain deviation below or above the means please. ex. If bill received a NCE score deviation below the mean, what would his score be? which is 10. Can you explain the

asked on November 25, 2012
31. ## american gov't

What are some positive consequences of having interest groups? Negative?

asked on November 5, 2012
32. ## politics

There are various levels and types of judicial courts. In the case Sitz v. Michigan Department of Police, two levels of government and court systems interact to come to a final verdict. What was the final verdict and how did it reach that conclusion?

asked on October 21, 2012
33. ## government

why should federal courts be able to declare an act of Congress unconstitutional

asked on October 21, 2012
34. ## government

There is much debate in our country about activist judges and strict constructionist judges. Do you believe that judges should be limited to interpreting what the constitution and federal laws say?

asked on October 21, 2012
35. ## government

Why would bureaucrats become more concerned that elaborate procedures are followed, as opposed to achieving certain substantive outcomes? What political relationships cause this result?

asked on October 21, 2012
36. ## govt

what do they mean by highly specialized committee structure

asked on October 20, 2012
37. ## government

In gov't what does ommittee reforms that have taken power away from chairs represent?

asked on October 20, 2012
38. ## american government

Consider the following features of Congress (including some that no longer apply), and discuss the policy implications of each. Does they (a) lead to more or less logical and coherent policies? (b) lead to more or less representation of various local and

asked on October 19, 2012
39. ## Statistics

A math professor notices that scores from a recent exam are normally distributed with a mean of 64 and a standard deviation of 5. Answer the following questions using integer values. The professor decides to grade on a curve. If he wants 0.15% of the

asked on February 14, 2012
40. ## statistics

A math professor notices that scores from a recent exam are normally distributed with a mean of 64 and a standard deviation of 5. Answer the following questions using integer values. What score do 75% of the students exam scores fall below? And, how was

asked on February 14, 2012
41. ## Finance

Zabberer Corporation bonds pay a coupon rate of interest of 12 percent annually and have a maturity value of \$1000. The bonds are scheduled to mature at the end of 14 years. The company has the option to call the bonds in 8 years at the premium of 12

asked on September 10, 2011
42. ## Math

My worksheet title reads "Modeling 3-Digit Addition Practice" and then it has the problem 186+245 and then it has a table with four colummns and 3 rows the first column title reads "Base-Ten Drawings" the second one reads "Record the Problem" and the third

asked on October 18, 2010
43. ## Math; Pre -algebra

How many 3 letter arrangements can you make while making the first and the third letter one of the 21 constants and the middle letter one of the 5 vowels {a,e,i,o,u} . {two such arrangments to use are KOM and XAX?

asked on May 3, 2010
44. ## algebra

-72 / (-92) rewrite the division as a multiplication

asked on March 11, 2010
45. ## algebra

-x/5 = 1/16 solve using the multiplication principle

asked on March 11, 2010
46. ## algebra

150/-15 divide if possible

asked on March 11, 2010
47. ## Algebra

In a triangle ABC, angle B is three times angle A and angle C is 5 degrees less than 6 times angle A. Find the size of the angles.

asked on March 10, 2010
48. ## Algebra

Collect like terms 18r^2 + 7s + 4r^2

asked on March 10, 2010
49. ## Math

What is the total price of \$3.25,\$1.10 including 7% tax

asked on February 3, 2010
50. ## Chemistry

What is the empirical formula of the oxide in Magnesium Oxide? The number of moles of Mg = 8.026 x 10^-8. The number of moles of O = 1.605 x 10^-7.

asked on October 22, 2009
51. ## math

By selling a piece of land for \$700 a man made a loss of 20%.How much did he buy the land

asked on October 2, 2009
52. ## calculus

evaluate the following integrals by any means possible: b. integral from -1 to 1 (w/ (w^2+1)) (dw) c. integral from -3 to 0 sqrt(9-x^2)dx

asked on July 3, 2009
53. ## trigo

calculate the amount of each annuity of the last deposit.A deposit of \$450 at the end of each month period of 5 years at 6.5% compounded semi annually.If you don't have my email how i am going to recerive the answer?

asked on June 9, 2009
54. ## trigo

calculate the amount of each annuity of the last deposit.A deposit of \$450 at the end of each month period of 5 years at 6.5% compounded semi annually.

asked on June 9, 2009
55. ## English

In Romeo and Juliet, How does Capulet feel about young marriages?

asked on April 17, 2009
56. ## gen

do you think this is nonagist our new district attorney is making a speech on saturday.

asked on April 8, 2009
57. ## Organic Chemistry

Some biphenyl ( C6H5----C6C5) is produced as a by-product in the synthesis of benzoic acid . Where does this come from?

asked on March 8, 2009
58. ## O-Chem

A student wished to prepare ethylene gas by dehydration of ethanol at 140 C using sulfuric acid as the dehydrating agent. A low-boiling liquid was obtained instead of ethylene. What was the liquid, and how might the reaction conditions be changed to give

asked on January 14, 2009
59. ## Organic Chemistry- help Dr. Bob

1. What is the maximum volume (at STP) of the butene mixture that could be obtained by the dehydration of 81 mg of 2-butanol? 2. When 2-methylpropene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has

asked on January 7, 2009
60. ## O CHEM - dr. bob

1. What is the maximum volume (at STP) of the butene mixture that could be obtained by the dehydration of 81 mg of 2-butanol? 2. When 2-methylpropene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has

asked on January 7, 2009
61. ## O Chem

1. What is the maximum volume (at STP) of the butene mixture that could be obtained by the dehydration of 81 mg of 2-butanol? 2. When 2-methylpropene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has

asked on January 5, 2009
62. ## ochem

Why is that that a third order alkyl halide reacts faster in SN1 mechanism? Why is it the opposite for SN2? (is it just steric hindrance? )

asked on November 24, 2008
63. ## Organic Chemistry

2. Why doesn’t the neutral organic compound (Flourene) dissolve in 1.5 M sodium hydroxide solution?

asked on November 4, 2008
64. ## Organic Chemistry

1. Why is diethyl ether a good choice for an organic solvent? 2. Why doesn’t the neutral organic compound dissolve in 1.5 M sodium hydroxide solution?

asked on November 4, 2008
65. ## Chemistry -- to Dr.Bob

I had posted a while back and still couldn't solve this is there anyway you could show me the steps on how u did this? thank you very much A solution is made by mixing 20.0 mL of toluene C6H5CH3d=0.867gmL with 150.0 mL of benzene C6H6d=0.874gmL. Assuming

asked on April 5, 2008
66. ## chemistry

A solution is made by mixing 20.0 mL of toluene C6H5CH3d=0.867gmL with 150.0 mL of benzene C6H6d=0.874gmL. Assuming that the volumes add upon mixing, what are the molarity (M) and molality (m) of the toluene

asked on April 3, 2008
67. ## physcial science

As water freezes, its temperature does what? a) increase b) decrease c) first increase, then decrease d) does not change The temperature of freezing water is 0o C. The temperature of the water will remain at zero !@#\$%^&il all of the water has frozen;

asked on June 22, 2007
68. ## English

Can you help me unscramble these words; dramalanse,ubrocai,planotee,evebra, chorits. they are animal names.Please help!!! thanks Try these: http://www.ssynth.co.uk/~gay/anagram.html http://wordsmith.org/anagram/ http://www.unscramble.net =) unscramble to

asked on April 23, 2007
1. ## religion, social studies

hehe

posted on February 11, 2020
2. ## Walk to moons

If you guys are saying the stuff is wrong than do it yourself? =-=

posted on May 21, 2019
3. ## LA

1.C 2.C 3.B

posted on May 21, 2019
4. ## Math(PLZ HELP)

Do you kids know the meaning of hate? If you don't you shouldn't use it! That's just rude, Why would you tell someone you hate them? And don't call people stupid or stoopid or bozo's that's just really mean. Everyone needs to be nice to each other! And

posted on April 10, 2019
5. ## Social Studies

It is B,A,A,C good job Anonymous! x

posted on April 4, 2019
6. ## Language arts

WELP KIDS I FOUND OUT WHATS WRONG XD Everybody has different questions on different ones

posted on March 21, 2019
7. ## Language arts

Actually.. Kids you're all wrong! 1. C 2. C 3. A 4. D 5. B 6. C 7. D 8. B 9. C 10 = Essay 11. C 12. C 13. B 14. B 15. B 16. A 17. D 18. B 19. B 20. C 21. D 22. D 23. D 24. B 25. B 26. A 27. A I hope these help all of you! When we tried the ones that one

posted on March 21, 2019
8. ## accounting

6.7

posted on August 23, 2016

Over the course of 6 days. Rachel walked 5.75 miles ,6 miles, 4.74 miles , 3.5 miles , 5 miles ,and 7 miles. What was the average distance she traveled each day?

posted on April 28, 2016
10. ## Math

How can you write a variable expression for the area of the walkway

posted on September 2, 2015
11. ## Chemistry

The following questions concern the iconic Nestle Toll House Chocolate Chip Cookie recipe, shown below: 2 1/4 cups all-purpose flour 1 teaspoon baking soda 1 teaspoon salt 1 cup butter or margarine, softened 3/4 cup granulated sugar 3/4 cup packed brown

posted on August 1, 2015
12. ## math

455f52

posted on September 11, 2014
13. ## american government

ok thank you

posted on October 19, 2012
14. ## american government

I don't understand what they are asking

posted on October 19, 2012
15. ## Statistics

It shows there has been a response to my question but I don't see one that in my opinion addresses my question.

posted on February 14, 2012
16. ## Math

3,because if you divid 6 and 18 it gives you 3

posted on November 16, 2011
17. ## social studies

the nile river flows into what body of water

posted on January 9, 2010
18. ## Romeo and Juliet Help Quick Question

He gives her a potion, we know this because he has a specialty in herbs and plants and in his previous soliloquy he tells us he knows what plants can stop the heart and such. Also, in act 5 - scene 3 line 244 he says he gave her a sleeping potion. :)

posted on April 17, 2009
19. ## 9th grade

You distribute the first set of brackets. When you have equations like this you should pretend there are no brackets around the first equation. b-6 (b+3) first you distribute b into the brackets. (b)(b) = b^2 then b to 3 (b)(3) = 3b then you distribute the

posted on April 17, 2009
20. ## Organic Chemistry- help Dr. Bob

alright thank you so much for your help!

posted on January 8, 2009
21. ## Chemistry -- to Dr.Bob

thank you very much Dr. Bob

posted on April 5, 2008
22. ## chemistry

i still got it wrong 0.867 g/mol= x/ 20 ml x= 17.94 g 0.874 g/mol= x/ 150 mil x= 131.1 g toluene 17.904 g x 1 m/ 92.14 g/ mol= .194 m benzee 131.1 g x 1m/78.1121 g/mol = 1.68 m .194 m Toluene/ .1311 kg = 1.48

posted on April 3, 2008