sheri
Most popular questions and responses by sheri
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 = 3.27630.0.0309=1.2454
asked on July 25, 2012 
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 
Chemistry
What is the pH of a saturated solution of lead(II) hydroxide? The Ksp= 4.0 X 1015. 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 
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 
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 
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 
math
how to solve linear functions f(x)= 2x if x greater than or equal to 1 x1 if x less than 1
asked on February 9, 2014 
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 
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, chisquared value, and pvalue: Tabulated statistics: Gender, Seating Rows: Gender Columns: Seating Back
asked on July 26, 2012 
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 
math
4 csc 2x = 2 csc2 x tan x
asked on March 22, 2012 
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 
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 
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 
statistics
DOES ANYONE EVEN ANSWER THESE HOMEWORK CHECKS?I have posted 3 or 4 Q/A and no one answersany other sites better???
asked on July 25, 2012 
statistics
DOES ANYONE EVEN ANSWER THESE HOMEWORK CHECKS?I have posted 3 or 4 Q/A and no one answersany other sites better???
asked on July 25, 2012 
Statistics
Are you annoyed with spam email? 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 
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 
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 
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 
chemistry
how many molecules are there in 5 moles of zinc sulfide?
asked on December 2, 2010 
Math
If you save 1/5 of your allowance and spend 2/3 how much is left?
asked on September 24, 2015 
math
x=y plus 19 and x plus y=13=
asked on January 15, 2013 
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 
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 
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 
chemistry
If you have 18 g of Ag2O, how many moles do you have
asked on December 2, 2010 
Math
Sum of 3/4 + 1/3 _ _ 8 4 Simplest form
asked on September 24, 2015 
genetics
why are there not many clinical studies done on rare diseases such as Batten disease?
asked on April 13, 2015 
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 
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 107 b) 4.1 X 106 c) 1.6 X 105 d) 2.6 X 104 e) 1.6 X 102 I am unsure how to approach this
asked on April 5, 2012 
chemistry
how many molecules are there in 53 g of CaO ?
asked on December 2, 2010 
science
the movement of static electricity into an object is a(n)?
asked on April 14, 2008 
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 
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=ISO88591&q=decolorizing+charcoal&btnG=Search
asked on November 12, 2006 
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 
Calculus
What is total volume for 36" X 2" X 2"
asked on January 22, 2012 
AU
What is probablity of 62 and probability of 59 with Mean of 60 and SD of 7
asked on March 20, 2011 
Math B30
8+2+1/2+...(find the first 11 terms)
asked on June 15, 2010 
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 
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 
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 
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

English
i just wanted help with punctution
posted on August 14, 2018 
English
i did use grammarly
posted on August 14, 2018 
social studies
declaration of rights
posted on April 6, 2016 
Chemistry
0.05
posted on September 14, 2015 
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 
Statistics
THESE ARE WRONG
posted on July 27, 2012 
Statistics
ANYONE HAVE ANY HELP FOR ME ON THIS???
posted on July 27, 2012 
Statistics
this answer is wrong
posted on July 27, 2012 
Statistics
What is the interpretation of the pvalue for the ChiSquared Statistic value of 2.469?  were do I go from here on this one??
posted on July 26, 2012 
Statistics
Standard Deviation Standard Error
posted on July 26, 2012 
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 
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=13.59.5/2.427 = 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 
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 
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 
science
search about classification of animal
posted on January 17, 2008