sheri

Most popular questions and responses by sheri
1. Chemistry

How to make 0.086M sodium phosphate when combined with 0.1N HCl has a pH of 6.2?

asked on August 27, 2014
2. chemistry

How do I determine which of the following aqueous solutions should demonstrate the most ideal behavior? 1.0M MgSO4 or 1.0M NaCl?

asked on February 3, 2011
3. algebra

how much money must Andrea invest for 2 years in an account that earns an annual simple interest rate of 8% if she wants to earn \$300 from the investment?

asked on January 31, 2014
4. Chemisty

Please help...I know I'm missing something here if 50.0mL of AgNO3 reacts with 25.0mL of 0.100M of K2CrO4, what is the molarity of silver nitrate?

asked on August 10, 2012
5. geometry

Draw two parallel lines on your paper. Locate four points on the paper, each an equal distance from both lines. Describe the figure you get if you continue to locate points, eahc an equal distance from both lines.

asked on August 10, 2010
6. microeconomics

why might a profitable motel shut down in the long run if the land on which it is located becomes extremely valuable due to surrounding economic development?

asked on January 12, 2011
7. physics

A hang glider pilot is flying horizontally over an open field when her shoe falls off. She was going 23.0 m/s and was 81.0 m above the ground. How long did it take for the shoe to hit the ground?

asked on October 8, 2015
8. chemistry - HELP!

The equilibrium constant, Kc, for the reaction A(g) + B(g) AB(g) is 115 at 25 degrees C. If 1.580 x 10^(‐1) mol of A and 4.721 x 10^(‐5) mol of B are introduced into a 1.00 liter vessel at 25 degrees C, calculate the equilibrium concentration of all

asked on October 11, 2015
9. Physics

The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine

asked on March 27, 2012
10. Physics

The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine

asked on March 27, 2012
11. statistics

Given the sample mean of GPA, the sample SD, and the SE below: SM: 3.2454 SD: 0.4635 SE: 0.0309 constructa 95% confidence interval for the population mean gpa? my answer: 3.2454+0.0309 = 3.2763-0.0.0309=1.2454

asked on July 25, 2012
12. Physics

The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine

asked on March 27, 2012
13. Chemistry

What is the pH of a saturated solution of lead(II) hydroxide? The Ksp= 4.0 X 10-15. a) 4.7 b) 7.2 c) 9.0 d) 9.1 e) 9.3 What should I do to solve for this? Thank you

asked on April 5, 2012
14. spanish 3

Escribe unas frases hablando de las cosas en tu vida o en tu familia. Usa los adjetivos demostrativos (este, ese, aquel) y luego escribe esas oraciones de nuevo, la segunda vez, usando los pronombres en vez de los adjetivos + sustantivos. Escribe por lo

asked on February 20, 2015
15. Physics

The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine

asked on March 27, 2012
16. math

Raina's Coffee Shop makes a blend that is a mixture of coffee types A and B. In one bag of the blend, there are 5 kilograms of type A. Eight bags of the blend are a total of 80 kilograms. How many kilograms of type B are there in one bag. what is the

asked on March 12, 2016
17. math

how to solve linear functions f(x)= 2x if x greater than or equal to -1 x-1 if x less than -1

asked on February 9, 2014
18. English

Can you check for punctuation errors, and improper formatting in my essay? Thank you so much Mathematics resolves abstract problem situations of daily life, strengthens the mental calculation, having as the base a logical order that contributes to the

asked on August 14, 2018
19. Statistics

A researcher wants to see if gender plays a role in where we sit in a restaurant. An analysis of survey data yields the following contingency table, chi-squared value, and p-value: Tabulated statistics: Gender, Seating Rows: Gender Columns: Seating Back

asked on July 26, 2012
20. Statistics

Given the sample mean of GPA, the sample SD, and the SE below: SM: 3.2454 SD: 0.4635 SE: 0.0309 construct a 99.7% confidence interval for the population mean gpa. My answer: 3.2145 to 9.6435

asked on July 26, 2012
21. math

4 csc 2x = 2 csc2 x tan x

asked on March 22, 2012
22. Statistics

An ESP experiment is done in which a participant guesses which of 8 cards the researcher has randomly picked, where each card is equally likely to be selected. This is repeated for 200 trials. The null hypothesis is that the subject is guessing, while the

asked on July 17, 2012
23. literature

All literature involves some kind of performance which is intended for an audience. Sometimes, however, the performative quality of a work (i.e., the fact that it is being presented to an audience) is more obvious than at others. Drama and poetry, for

asked on October 6, 2011
24. Statistics

Given the sample mean of GPA, the sample SD, and the SE below: SM: 3.2454 SD: 0.4635 SE: 0.0309 construct a 68% confidence interval for the population mean gpa My answer is: 0.4635 to 3.7089

asked on July 26, 2012
25. statistics

DOES ANYONE EVEN ANSWER THESE HOMEWORK CHECKS?I have posted 3 or 4 Q/A and no one answers---any other sites better???

asked on July 25, 2012
26. statistics

DOES ANYONE EVEN ANSWER THESE HOMEWORK CHECKS?I have posted 3 or 4 Q/A and no one answers---any other sites better???

asked on July 25, 2012
27. Statistics

Are you annoyed with spam e-mail? Suppose a random sample of 200 Kent State students was asked this question of which 80% said that they are annoyed. From the provided information we can find the following: sample percent = 80% (sample proportion = .80)

asked on July 9, 2012
28. statistics

A 95 confidence interval for the proportion of men that have ever dozed off while driving is 007 to 0.14. For women, a 95% confidence intervAL for the proportion that have dozed off while driving is 0.19 to 0.25. Assume both intervals were computed using

asked on July 9, 2012
29. spanish 3

I need help understanding how to answer a question for example like Escribe el pronombre para este adjetivo y sustantivo. I'm having trobule understanding what it wants me to do and how do do it.

asked on March 4, 2015
30. adult development psyc 307

identify and decribe the physical,conitive, and socioemotional changes that we experience during the early adult stage of development?

asked on March 2, 2011
31. chemistry

how many molecules are there in 5 moles of zinc sulfide?

asked on December 2, 2010
32. Math

If you save 1/5 of your allowance and spend 2/3 how much is left?

asked on September 24, 2015
33. math

x=y plus 19 and x plus y=13=

asked on January 15, 2013
34. Statistics

A regression equation was calculated and is given below. The values for Miss America are values such as 0, 1, 2, 3, 4, etc. Regression Analysis: GPA versus Miss America The regression equation is GPA = 3.32 - 0.0890 Miss America b. What is the response

asked on July 26, 2012
35. statistics

A sample of 200 students in a English class were asked- How long did you sleep last night? sample mean: 6.4 hours S.D. = 1.6 HOURS Standard Error = .11 hours sample size = 200 What type of data is used in this example? my answer: MEASUREMENT DATA What

asked on July 9, 2012
36. us history

I need help on an essay. My essay is on immigration but my teacher wants us to compare and contrast immigration from 1800's to now. HELP!

asked on February 7, 2011
37. chemistry

If you have 18 g of Ag2O, how many moles do you have

asked on December 2, 2010
38. Math

Sum of 3/4 + 1/3 _ _ 8 4 Simplest form

asked on September 24, 2015
39. genetics

why are there not many clinical studies done on rare diseases such as Batten disease?

asked on April 13, 2015
40. stats

A set of LSAT scores follows the normal curve. The average is 560, and the standard deviation is 60. Find the 80th percentile.

asked on July 7, 2012
41. Chemistry 2

A saturated solution of a certain metal(II) chloride has a chloride ion concentration of 0.032M. The Ksp for this compound can be determined to be a) 2.6 X 10-7 b) 4.1 X 10-6 c) 1.6 X 10-5 d) 2.6 X 10-4 e) 1.6 X 10-2 I am unsure how to approach this

asked on April 5, 2012
42. chemistry

how many molecules are there in 53 g of CaO ?

asked on December 2, 2010
43. science

the movement of static electricity into an object is a(n)?

asked on April 14, 2008
44. social studies

I have completed my education but can't find a job. How can I organize politically to change this situation within the norms of Canadian politics? Work to get your Native population better conditions. Always a needfull situation. What kind of job are you

asked on November 23, 2006
45. organic chemistry

should you use decolorizing charcoal before allowing the hot solution to cool in? Explain Your answer is here. http://www.google.com/search?hl=en&lr=&ie=ISO-8859-1&q=decolorizing+charcoal&btnG=Search

asked on November 12, 2006
46. math

A circular walkway has a diameter of 182 m. Approximate the distance around the walkway. Use for 22/7 for square root?

asked on September 9, 2012
47. Calculus

What is total volume for 36" X 2" X 2"

asked on January 22, 2012
48. AU

What is probablity of 62 and probability of 59 with Mean of 60 and SD of 7

asked on March 20, 2011
49. Math B30

8+2+1/2+...(find the first 11 terms)

asked on June 15, 2010
50. math B30

must be answered with a series/sequences formula over the past 10 years, the number of CD's sold by a mail order music company has increased an average of 12% per year. If the company sold 1.5 million CD's ten years ago, the total number of sales they have

asked on June 15, 2010
51. math b50

must answered in sequences/series formulas If the profit earned by a company is \$100 in the first year, and doubles each year such that the profit earned in the second year is \$200, \$400 in the third year and so on. Find the total profit earned by the

asked on June 15, 2010
52. Philosophy

I have to explain what suspension of belief is according to skeptics and how it comes about? I cannot find a reasonable explanation, can someone help me out? Thanks!

asked on April 16, 2008
53. 6th grade science

The erosive energy of rivers alters landscapes over periods of millions of years. Which of the following increases a river's rate of erosion? A)low gradient B)high discharge C)small load D)decreased speed

asked on May 22, 2013
1. English

i just wanted help with punctution

posted on August 14, 2018
2. English

i did use grammarly

posted on August 14, 2018
3. social studies

declaration of rights

posted on April 6, 2016
4. Chemistry

0.05

posted on September 14, 2015
5. math

Yes the answer is he can cut the board into 6 pieces. All you have to do is use a fraction grid, then see how many 1/8's goes into 3/4s.

posted on March 5, 2015
6. Statistics

THESE ARE WRONG

posted on July 27, 2012
7. Statistics

ANYONE HAVE ANY HELP FOR ME ON THIS???

posted on July 27, 2012
8. Statistics

this answer is wrong

posted on July 27, 2012
9. Statistics

What is the interpretation of the p-value for the Chi-Squared Statistic value of 2.469? -- were do I go from here on this one??

posted on July 26, 2012
10. Statistics

Standard Deviation Standard Error

posted on July 26, 2012
11. Statistics

I am confused --- so the correct answer is 2.965 or do I have to +, - from 3.2454 to get a range?

posted on July 26, 2012
12. statistics

There are a few steps missing from the above solution. It ended too quickly: If P(X>=a) then P(X-.5) so P(X=14-.5 or 13.5) z=13.5-9.5/2.427 = 1.65 = .9505. Since the number is more than take 1-.9505 = .0495 The answer now matches the back of the book.

posted on July 3, 2011
13. math b50

i have figured out on my calculator what the answer is but the answer wont work when i use a formula.. HELP

posted on June 16, 2010
14. college Medical coding 1

Ms. Sue, you forgot the word "highest" was also misspelled. Makes me wonder what field you are in!

posted on April 26, 2010
15. science

search about classification of animal

posted on January 17, 2008