Agnes
Most popular questions and responses by Agnes
statistics
Suppose that the height of male students at a large university is normally distributed with a mean of 69 inches and a standard deviation of 3.0 inches. If 16 samples consisting of 25 students each are obtained, what is the probability that the mean of
asked on November 11, 2011 
math
Given that p2q over p+2=3q ,express q in terms of p. The answer is C. p over 3p+8 I cant get the steps..help me
asked on November 15, 2015 
chemistry
Consider HA the intermediate form of a diprotic acid. Ka for this species is 104 and Kb is 108. Nonetheless, the Ka and Kb reactions proceed to nearly the same extent when NaHA is dissolved in water. Can anyone explain that?
asked on October 12, 2010 
Chemistry
A swimming pool with a surface area of 5 meters by 10 meters contains 88,000 liters of water. The temperature of the water in this pool increases by 2.00 C when it is heated by the Sun for 6.00 hours. Calculate the energy absorbed. 1.1.48×109J
asked on April 6, 2013 
chemistry
the value of ΔH° for the reaction of 2 C6H6 (l) + 15 O2 (g) = 12 CO2 + 6H20 is 6535 kJ. how many kJ of heat are released in the combustion of 16.0 g of C6H6 (l) ?
asked on March 5, 2012 
English
I stand against the motion boys should not Cook in the kitchen
asked on February 28, 2019 
Geometry
A(3,3)>A'is a glide reflection where the translation is (x,y)>(x+5,y, and the line of reflection is y = 1. What are the coordinates of A'?
asked on January 2, 2017 
math(quadratic equation)
Tom and Kathy together have 30 chocolates.Both of them lost 6 chocolates each,and the product of the number of chocolates now they have is 80.Find out how many chocolates do they have at the beginning.
asked on November 15, 2015 
Math
A rectangular garden is to be fenced by a farmer. One side of the garden is next to the wall of the house and need not to be fenced. Find the dimensions of the largest garden that can be enclosed with 100m of fencing.
asked on August 28, 2014 
chemistry
the value of ΔH° for the reaction of 2 C6H6 (l) + 15 O2 (g) = 12 CO2 + 6H20 is 6535 kJ. how many kJ of heat are released in the combustion of 16.0 g of C6H6 (l) ?
asked on March 5, 2012 
math  word problem. help asap?
in a certain math class, each student has a text book, every 2 students share a book of tables, every 3 students share a problem book, and every 4 students share a mathematics dictionary. If the total number of books is 75.. how many students are in a
asked on December 3, 2006 
algabra
Three individuals form a partnership and agree to divid the profits equally. x invest $9000, y invest $7000 z invest $4000. how much much less does x receive than if the profists were divided in proportion to the amount invest
asked on June 10, 2013 
science
I don't understand how to do this problem because i don't see a precipitate. If you could show your work on the problem that would be great so i can follow along! Identify the spectator ion(s) in the reaction Zn(OH)2+ H2SO4→ZnSO4+ 2H2O in aqueous
asked on March 9, 2013 
Life orientation
Provide recommendations on how human problems on the community and name 2institutions or community organisations that are involved in supportingm or giving redress to these disaster
asked on April 8, 2011 
math
solve the system 3x6y=5 and 2y=4x6 using substitution method.
asked on January 23, 2011 
Social Studies
What are the major cities of the Aztec, Inca and Maya empires?
asked on December 17, 2009 
Electricity
Lightning occurs when charges jump the gap between the  cloud and the  ground? Lightning can go to one of three places. It can: a.________________ b._________________ c._________________ The energy caused by the flow of particles with negative
asked on January 28, 2009 
science
a rocket is launched vertically at a height of 4km above the earths surface calculate the maximum height above the ground level
asked on September 6, 2015 
science
I don't understand how to do this problem because i don't see a precipitate. If you could show your work on the problem that would be great so i can follow along! Identify the spectator ion(s) in the reaction Zn(OH)2+ H2SO4→ZnSO4+ 2H2O in aqueous
asked on March 9, 2013 
Chemistry
What volume of ethanol must be diluted with water to prepare 768 mL of 0.873 M solution? The density of ethanol is given as 0.789 g/mL. Answer in units of mL
asked on March 8, 2013 
TRIGONOMETRY
CSC  COS X COT = SIN
asked on June 28, 2011 
Math  PLZ HELP> ASAP
Furnishing an apartment you have just graduated from HS and you and your best friend are looking to rent an apartment. The apartment you would like to rent costs 972.00 a month. You earn $1500 a month. You share montly expenses with your roomate: rent
asked on December 2, 2006 
Math(linear equations)
A total amount of RM720 is divided among Anne,Banu and Chan.The amount of money received by Anne is twice the amount of money received by Banu.The amount of money received by Banu is RM80 less than the amount of money received by Chan.Find the amount of
asked on March 10, 2016 
physics
A box is placed on top of another box,if it is exerting a compressive force of 500N.What is the approximate weight of the box?
asked on April 19, 2011 
math 6th grade
Using Multiplication to Solve Equations 9Y5 had only packed 1/8 of the meals he was supposed to pack. The astronut had only been given 3 3/4 meals. How many meals should 9y5 have packed for the astronut?
asked on January 4, 2009 
math
Express (a^2+abacbc)÷a^2c^2 over ab in single fraction. Answer is a^2b^2 over a+c How the steps?
asked on November 15, 2015 
organic chemistry
Show the reaction equation and mechanisms of a mixture of napthalene,pnitroaniline and benzoic acid dissolved in dichloromethane?
asked on December 2, 2010 
math 6th grade
Using Multiplication to solve equations: 9y5 had to iron space suits for the astronuts. When he finished he turned in the suits to his commander. The commander counted the suits and realized that 54 of them were missing. 9Y5 blushed and explained that he
asked on January 4, 2009 
Calculus
Interval 4sec(theta)(sec(theta)+tan(theta))d(theta) can someone help me start his problem?
asked on March 20, 2008 
Math  Algebra 2 some1 plz help?
in a certain math class, each student has a text book, every 2 students share a book of tables, every 3 students share a problem book, and every 4 students share a mathematics dictionary. If the total number of books is 75.. how many students are in a
asked on December 2, 2006 
Math
In xy plane the line l has equation y= x. point p lies on l and has coordinates(2,2) If l is rotated counterclockwise 45 degree about the origin. what will be the image of p under this rotation.
asked on October 2, 2015 
math
Please help! (X+y)^3+(xy)^3
asked on September 13, 2015 
Math
What is the out put for: Input Output 4 0 5 2 6 4 7 6 12 ? explain the rule please
asked on January 10, 2014 
Math
What is the out put for: Input Output 4 0 5 2 6 4 7 6 12 ? explain the rule please
asked on January 10, 2014 
add maths
Given the functions g:x→x^2(x square)+4,find the value of the following 1.4g(1over2)?
asked on January 9, 2014 
Statistics
the 1st class in a relative frequency table of 5059 an the corresponding relative frequency is 0.2. What does the 0.2 value indicate
asked on June 10, 2013 
Chemistry
I am dealing with the integrated rate laws. Can somebody please help me with my algebra? First order ln(A)=kt+ln(B) solve for t,and k and B Second order 1/(A) = kt+1/(B) solve for k and t and B
asked on May 13, 2013 
HR
1. List and discuss the advantages and disadvantages of offshoring jobs.
asked on March 24, 2013 
Science
What volume of ethanol must be diluted with water to prepare 768 mL of 0.873 M solution? The density of ethanol is given as 0.789 g/mL. Answer in units of mL
asked on March 8, 2013 
life orientation
provide recommendation on how to address this environmental problem(hiv)
asked on September 13, 2011 
physics
Is the mass of an object has an effect velocity with it land on the ground when freely falling from rest?
asked on July 21, 2011 
Life orientation
Ways in which the human problem impacts on the community
asked on April 8, 2011 
organic chemistry
Show the reaction equation and mechanisms of a mixture of napthalene,pnitroaniline and benzoic acid dissolved in dichloromethane?
asked on December 2, 2010 
algebra
The shorter side of a triangle is 5 inches less than the medium size side. The larger side is 12 inches more than the medium size side. If the perimeter of the triangle is 40 inches, find the size of each side of the triangle. Show your work
asked on December 16, 2009 
Electricity
The energy caused by the flow of particles with negative electrical charge is called?
asked on January 28, 2009 
math 6th grade
How to write an equation: Forty percent of a number,y, is 48.
asked on January 4, 2009 
Math VERY IMP. PLZZZ HELP!
Mrs Walsh is seeking legal advice. A friend of her recommended two law firms  Legal Eagles, which charges a consultation fee of $100 plus $40 per hour and A1 Attorneys, which charges a consultation fee of $60 per hour. A) Write an equation for the cost
asked on December 2, 2006

verbs
A B D D
posted on April 6, 2019 
Chemistry
answer for the question above
posted on October 15, 2018 
Physics question
A. Lenght :4 Height : 3
posted on October 31, 2017 
math
12ft
posted on May 24, 2016 
life orientation
Killing someone,forcing a young girl to get married,posting private photos of someone who is naked
posted on May 1, 2016 
math
Thanks so much steve!
posted on September 13, 2015 
statistics
Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 210 feet and a standard deviation of 44 feet. Let X = distance in feet for a fly ball.
posted on March 12, 2015 
Math
Why do I have to post an answer. I don't know the answer that's why I am asking for help.
posted on January 10, 2014 
Math
Input Output 4 0 5 2 6 4 7 6 12 8 I'm not sure if this is right. I used different rules to get the answer. I need to know if there is a set rule for this kind of problem.
posted on January 10, 2014 
Teacher Aide
Thank you very much for giving your time to help me!
posted on March 9, 2013 
Teacher Aide
I don't understand how to do this problem because i don't see a precipitate. If you could show your work on the problem that would be great so i can follow along! Identify the spectator ion(s) in the reaction Zn(OH)2+ H2SO4→ZnSO4+ 2H2O in aqueous
posted on March 9, 2013 
Teacher Aide
and c
posted on March 9, 2013 
Teacher Aide
DrBob222, could you please help me with a chemistry question I posted?
posted on March 9, 2013 
accounting
CMR= Contribution Margin/ Sales Contibution Margin=SalesVariable Costs Answer= ((18000001080000)/1800000)*100%
posted on February 20, 2012