yvonne
Newest questions and responses by yvonne
Math
I have six eggs. I broke two. I boiled two. I ate one. How many do I have left?
asked on February 13, 2019 
School guidance
What course can I take
asked on November 2, 2018 
chemistry
If 19.7g of ALL, is actually produced, what is the percentage yield? 2Al+3I2 2 All3
asked on July 11, 2017 
chemistry
if you react 5.00g of aluminum with 20.0g of iodine, how much aluminum iodide do you expect to produce from this reaction? what is the limiting reactant ? what is the excess reactant? how much of the excess reactant do you expect to have left over?
asked on July 11, 2017 
maths literacy
Distance between two towns is 3,5cm,what is the actual distance in kilometres if you are givem a bar scale of 8km?
asked on May 22, 2017 
stats
Suppose for a given group of people, the mean height is 5.5 ft with a standard deviation of .25 ft, and let the data fall under a normal distribution.What percentage of the group is between 5 ft and 5.75 ft?
asked on May 15, 2017 
maths
show that (4
asked on May 11, 2017 
Business/economics
Can someone please explain what "consumer socialisation" is. I would really appreciate it if its not copy and pasted from other website because I've searched it up, but I just don't understand it. Thank you
asked on April 5, 2017 
Biology
Hi, I am trying to work out a hypothesis to compare Estrogen receptors in breast cancer cells to normal breast tissues. Am I right in thinking that this will be a hypothesis using "effect" words instead of association ?
asked on April 1, 2017 
Chemistry
A is a solution of tetraoxosulphate(iv)acid.B contains 3.95g of sodium trioxocarbonate(iv) in 750cm3 of solution.if 22.70cm3 of the tetraoxosulphate(iv)acid neutralized 25.0cm3 of sodiumtrioxocarbonate(iv).calculate the concentration of i) B in moldm3 ii)
asked on December 8, 2016 
programming
Example Develop a pseudocode algorithm for a program that accepts each of the average marks of 10 students in a class and computes the sum and the average mark of the class. The program should display the average mark of the class. Begin Set total to zero
asked on June 27, 2016 
introduction to law
We have heard that south Africa has two kind of sources of law.what are those two sources of south African law?
asked on May 22, 2016 
Life orientation
Discuss six ways that the heman rights violations influences individuals groups and the broader south african community
asked on April 21, 2016 
math
Steve runs a kennel and purchases dog food from a U.S supplier. The supplier sells 25 lb bags for $28.95 U.S Each dog eats about 3.5kg/week and Steve boards an average of 16 dogs per day. How many bags of dog food will he need for 3 months? The answer is
asked on April 10, 2016 
Finance
Rob and laura wish to buy a new home. The price is $187,500 and they plan to put down 20%. CIBC will lend them at a fixed rate for 25 years with monthly payments. How much will Bob and Laura's monthly payment be? Assuming they pay off this mortgage over
asked on September 30, 2015 
Movement and Music
At what age are children usually able to hop? 20% 30% 40% 50%
asked on September 23, 2015 
chemistry
calculate delta G at 298 K when 5.0 atm H2 and 3.0 atm of CO2 are converted to methanol.
asked on April 1, 2015 
chemistry
calculate delta G at 298 K when 5.0 atm H2 and 3.0 atm of CO2 are converted to methanol. I know you can calulate for Q and use that but how do you do the calculation when you don't have the atm for the final product.
asked on April 1, 2015 
chemistry
calculate the change in pH when 5 ml of 0.01M HNO3 is added to 50 ml of water. I know how to calculate pH, but not when it is changing.
asked on April 1, 2015 
Chemistry
HCI is a strong acid. What is the ion concentration, (H+), of a 0.0015M solution of HCI? What is the pH of a 0.0015M solution of HCI? I have looked in my book but it not making sense. I am not sure where to even start the problem. A little guidance please
asked on March 16, 2015 
Social Studies
2.)Why were Native Americans forced to leave their lands during the 1830s? a.)settlers wanted to settle the land b.)U.S. citizens settled the land first c.)the Supreme Court ordered their removal d.)their new lands were better for farming 4.)How did
asked on January 24, 2015 
8TH GRADE LANGUAHE ARTS
It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have lived after the age of 20. The
asked on November 18, 2014 
Science
What are the implications of having aquitards in the water cycyle/
asked on November 18, 2014 
Language Arts; Trouble with television
It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have lived after the age of 20. The
asked on November 17, 2014 
8th grade English; Trouble with Television
The Trouble with Television Robert MacNeil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each
asked on November 13, 2014 
english
The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each
asked on November 3, 2014 
I need help asap
The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each
asked on November 3, 2014 
Language Arts
The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each
asked on November 3, 2014 
8th grade language arts
The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each
asked on November 2, 2014 
science
Suppose you place a 30kg weight 50cm from the pivot where should the following forces be applied to lift the load a)a 100N force b)a 150N force 2)how far will the load in question 1 be lifted if: a)the 100N force moves downwards b)the 150N force
asked on September 16, 2014 
science
suppose you place a 30kg weight 50cm from the pivot, where should the following forces be applied to lift the load (a)a 100N force (b)a 150N force
asked on September 16, 2014 
algebra
A tennis ball is released from a height of hcm, it rebounds onethird of the distance it has fallen after each fall. Find the total distance travelled when it strikes the ground (i) the third time (ii) the nth time
asked on August 25, 2014 
algebra
what is the translation of two more than four times the number
asked on September 7, 2013 
algebra
The width of the park is x meters. The length of the park is one meter more than twice the width. Write an expression for the area of the park.
asked on June 3, 2013 
Geometry
What is the area semicircle piece of glass for Norman glass when the width is 3ft. and the length is 4ft? Radius is not known.
asked on May 24, 2013 
Algebra
(x^3+2x^24x8)/(x^416)x(3x^2+8x+5)/3x^2+11x+10)
asked on April 24, 2013 
Math
System A has a 10% chance of being "down", while system B has a 5% chance of being "down". What is the probability that: 1) Neither computer system will be operational. 2) Both computer systems will be operational. Thanks!
asked on April 23, 2013 
geometry
A right triangle prism has a volume of 2 cubic inches. A second right triangle prism is similar to the first one and has a volume of 128 cubic inches. A. What is the scale factor to go from the first prism to the second? B. What is the scale factor to go
asked on March 13, 2013 
Math
z(3)
asked on February 2, 2013 
Math
z(3)
asked on February 2, 2013 
Independent studies instead of pe
Need time to study home work
asked on January 23, 2013 
finite math
A tray contains 14 chocolate chip cookies and 16 oatmeal raisin cookies. How many ways can a child select 4 cookies that include at least 1 chocolate chip cookie?
asked on January 22, 2013 
math
Abby takes 6 steps forward, then 2 steps back. If she repeats this pattern,how many steps will she be from where she startedafter 4 moves? After 5 Moves?
asked on October 4, 2012 
biology
how does a dictionary illustrate a form of classification?
asked on September 13, 2012 
criminal procedure
In which areas of search and seizure do feel that the courts have not gone far enough?
asked on August 28, 2012 
Chemistry
If I begin with 2.5g of Mg and excess HCL. How many liters of H2 gas will I produce at 25C and 1 atm? 2HCL + Mg > MgCl2 + h2 ?? using pv=nRT
asked on July 4, 2012 
Physics
In a computer monitor, an electron beam with a current of 4x10^6 A is directed at the screen. How many electrons are transferred to the monitor in 2 minutes.
asked on May 11, 2012 
algebra
If $300 = 7% of X then X = ?
asked on April 23, 2012 
College Math
Consider the following expression. 3(x2)9(x^+7x+4)5(x+8)
asked on April 16, 2012 
College Math
The "learning curve" describes the rate at which a person learns certain tasks. If a person sets a goal of typing N words per minute (wpm), the length of time t (in days) to achieve this goal is given by the following formula. t=62.5ln(1N/80) (a)
asked on April 16, 2012 
College Math
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.3 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)
asked on April 16, 2012 
College Math
An artifact was found and tested for its carbon14 content. If 88% of the original carbon14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon14 has a halflife of 5,730 years.
asked on April 16, 2012 
accounting
What is the ending balance in an account that opebs with $7000, earns 7.5% interest compound quarterly, and is held for 20 years.
asked on March 18, 2012 
Calculus
Consider the differential equation, dy/dx=(x+1)/y^2 with the initial condition y(0)=3. Write down the particular solution, and hence, calculate the value of y when x=8.7, to 3 dec places.
asked on February 11, 2012 
calculus
If the line y=mx5 does not meet the curve y=3x^26x+7 then value of m is in the open interval (a,b). Find the exact value of b.
asked on February 7, 2012 
Statistics
A box contains 12 lights bulbs, of which 4 are defective. All bulbs look alike and have equal chance of being chosen. 3 light bulbs are selected from the box to check the quality. a. List all the possible outcomes b. find the probability that all 3 are
asked on November 9, 2011 
statistics
Identify why this assigbment if probabilities cannot be legitimite: P(A)=0.4, P(B)=0.3, P(AandB)= 0.5
asked on November 5, 2011 
physical
height=42m,speed=250m/s, how long will the object remain in air?
asked on October 15, 2011 
hr
Decision making is a process by which several possibilities are considered and prioritized, resulting in a clear choice of one option over others. Decision making is a fact of life personally and in business. We make dozens of decisions each day. Some
asked on June 2, 2011 
physics
what is the force in newtons acting on a 4.0kg package of nails that falls off a roof and is on its way to the ground
asked on March 18, 2011 
math
on saturday you earn half as much as you do on sunday but twice as much as you do on friday. during the 3 days you $70. how much did you earn each day
asked on January 28, 2011 
math
you invest 200.00 into a savings account that earns 2% simple interest. How long will it tkae to earn 50.00 in interest?
asked on December 30, 2010 
algebra
Solve. 2x1/x=4
asked on December 13, 2010 
algebra
Simplify. x^2+3x+2/x^22x3
asked on December 13, 2010 
math
Multiply. 3x3/2x2 * 4x/3
asked on December 13, 2010 
algebra
Multiply. 2x1/3x * x+1/2x
asked on December 13, 2010 
math
Subtract. x+4x1/3x  2x+2/3x
asked on December 13, 2010 
math
Add. 2x/5 + 3x1/x
asked on December 13, 2010 
science project
I need help writing my abstract for my science project and it's the only thing I have left to do. It's very fustrating, so is there anyone who can help me plz?!!!!!!!
asked on December 8, 2010 
Logic and Design
What logic is used when pseudocoding compound conditions?
asked on November 12, 2010 
Marketing
______________ is the process of naming broad productmarkets and then segmenting these broad productmarkets in order to select target markets and develop suitable marketing mixes. A. Strategic planning B. Market positioning C. Market segmentation D. Mass
asked on October 11, 2010 
Operations management
how does finance marketing and personnel support product stategy in an organization
asked on June 8, 2010 
math
what does the undermentioned mean and how do I solve it ( 1000 )2/5
asked on May 8, 2009 
Math finance
I just brought a finanical calculator and i don't really know how to use it yet. The textbook said to calculate the price of the bond: Price=Coupon x Annuity factor (r, T)+ Par Value x PV factor (r, T) I was just wondering how to punch in the annuity
asked on December 8, 2008 
Chemistry
hellppp please i have a test on this on mondayy im so screwed A solid mixture contains MgCl2 and NaCl. When 0.5000 g of this solid is dissolved in enough water to form 1.000 L of solution, the osmotic pressure at 25°C is observed to be 0.4010 atm. What is
asked on November 29, 2008 
Investment
Capital asset pricing theory asserts that portfolio returns are best explained by ________ risk.
asked on October 22, 2008 
college physics
In Physics we often use meters per second as the units of velocity, rather than miles per hour. Convert 1 meter per second to miles per hour to get an idea of how these units compare. Please help me by showing me step by step so I can understand it better.
asked on September 21, 2008 
Informantion Tech
Which of the Windows server 2003 events logs contains information about the events generated by components such as services and devices?
asked on August 28, 2008 
writing
When address to the staffs of the company, should the "To" line be All staff or All staffs?
asked on July 25, 2008 
Business
You are being interviewed for a business consultant position, and your interviewer has asked you to discuss which social responsibility approach you believe the following scenarios fall into obstructionist, defensive, accommodative, or proactive. Please
asked on July 9, 2008 
french
How do you say"I visited Hawaii for the first time" J'ai visite...then what?
asked on May 26, 2008 
French
I am having trouble distinguishing l'imparfait and the passe compose.
asked on May 21, 2008 
Business
What are some of the functions that insurance agents typically perform in the distribution channel?
asked on November 6, 2007 
precalculus
5x+3y=8 convert each rectangular equation to polar form Convert each polar equation to rectangular form: a r=9cos0 b r=5 c rsq= cos 20 d r= 3____ 3+sin 0 Is this a test?
asked on May 17, 2007 
precalculus
how to solve; Xsq + ysq4x=0 x^2 4x + y^2 =0 x^2 4x +4 + y^2 =4 (x2)^2 + (y+0)^2=4 look like a circle to me.
asked on May 17, 2007 
algebra
Simplify using only positive exponents. (2r^1s^2t^0)^2  2rs Thanks in advance! Working this out: (2^2 r^2 s^4)/ (2 r s) = r^2/8rs^5 Note: Anything to the 0 power is equal to 1. I hope this will help. Sorry but can you help me please I
asked on February 24, 2007

economics business studies maths literacy tourism
i do not know which career to choose at my level/
posted on May 6, 2018 
Biology "Genetics"
Traits like human height and skin color shows a wide range of phenotypes, as opposed to just two ot three. From the standpoints of genese and alleles, explain why is this so.
posted on March 28, 2018 
math
An atom of gold has a mass of 3.21x10^22.What is the mass of 5000 atoms of gold.
posted on February 24, 2018 
Geometry PLEASE HELP ME
Not sure
posted on January 17, 2018 
physics
Jesse travels 3.0 meters east and then turns and travels 4.0 meters north. The trip requires 35 seconds. What is his velocity? 0.14 m/s 0.14 m/s, northeast 5.0 m/s, northeast 5.0 m/s, southwest
posted on November 22, 2017 
Business/economics
Im currently doing an assessment for business, and consumer socialization is one of the questions in the assessment.
posted on April 5, 2017 
Biology (check answer)
Yes  because the new strand would be translation, not transcription :)
posted on April 2, 2017 
Health Science
There is a website called "Ducksters". If you just enter "Diabetes" from there, it will explain exactly what you are looking for in simple terms. Hope this helps :)
posted on April 1, 2017 
Probability
A spinner has equally sized sections, of which are red and of which are green. The spinner is spun and, at the same time, a fair coin is tossed. What is the probability that the spinner lands on green and the coin toss is heads?
posted on January 22, 2017 
Analytical Chemistry
A7 B2 C1 D5 E6 F4 G3
posted on December 4, 2016 
Life orientation
need help on maths physics an LO
posted on May 18, 2016 
math
C slant upright
posted on March 29, 2016 
Math
Lou eats 6/8 of a pizza what fraction of the pizza in simplest form is left over
posted on March 15, 2016 
stats
46
posted on October 7, 2015