Thursday
October 30, 2014

Posts by leon


Total # Posts: 52

Basic programming principles
What would be the answer of the following: (only type in your answer at the answer space provided) Result a = 5 b = 7 Answer = 15 Do while answer <= 47 Answer = answer + a – b a = a + 6 b = b – 1 loop end
October 1, 2014

Basic programming principles
The user wants to display a message a fixed number of times, if you know the message and the number of times (number) it must be displayed what would be the for statement, will this be correct or incorrect ONLY indicate correct or incorrect at your answer space. for i = 1 to ...
October 1, 2014

Basic programming principles
The for next statement is used to display the consecutive numbers from 1 to 10K = 1 For I = 1 to 10 Display k, “ “K = k + 1 Next I The output will be 10 9 8 7 6 5 4 3 2 1 Will the above statement output be correct or incorrect
October 1, 2014

Basic programming principles
If the value of K is equal to 6, increase the value of A by 5%, if the value of K is equal to 4, decrease the value of A by 8, if the value of K is equal to 7, add the value of B to the value of A, otherwise decrease the value of A by 12%Will the following statement be correct...
October 1, 2014

Basic programming principles
Piet earns R20 per hour, if he works more than 30 hours then he receives an extra R8 per hour, will the following statement be correct or incorrect (only type in correct or incorrect at your answer space)If hoursworked > 30 then Salary = salary + (hoursworked – 30) + 8
October 1, 2014

Science
So is 7 C?
February 5, 2014

Science
5.The process of desertification can occur when B.farmers use contour farming techniques C.an area of forest is clear-cut D.an area of forest is selectively cut 7.Which of the following statements describes the conservation of a natural resource? A.A factory burns coal to run ...
February 5, 2014

Help with science
So then is 7 C?
February 3, 2014

5th grade math
I'm sorry its 4 nickels, not 5 nickels. Can you check my answer again..thanks
December 15, 2013

5th grade math
What fraction of a dollar is shown by coins (2 quarters, 1 dime, and 5 nickels)? I got 80/100 equals 8/10. Is 8/10 the correct answer? If not can you show me how to get the right answer?
December 15, 2013

math
A side of an equalateral triangle is 2/8 cm long. Draw a picture that shows the triangle. What is the perimeter of the triangle?
February 25, 2013

History
you guys are just a peacie of it spam omg you guys can get sewed and everything .l.
January 23, 2013

Math
Sam has a total of 200 dimes and quarters. If the total value of the coins is $28.10, how many quarters does he have?
August 22, 2012

statistic
I claim that I make 80% of my basketball free throws. To test my claim, you ask me to shoot 20 free throws. I make only 8 of the 20. “Aha!” you say. “Someone who makes 80% of her free throws would almost never make only 8 out of 20. So I don’t believe your...
June 6, 2012

math
write an equation in words and in symbols to represent this situation: Grace has $100.She is buying charms for her bracelet that cost $5 each.Write an equation showing the relationship between the number of charms (c)she buys and the amount of money she has left (l)<----...
May 2, 2012

physics
A mass m1 = 6.0 kg sits on a frictionless table, and rotates at a constant speed v = 3.0 m/sin a circle of radius R = 1.5 m. m1 is attached by a massless string which passes through a hole in the centre of the table to a second m2 (which hangs freely without moving). There is ...
April 12, 2012

Chemistry
If 2 grams of acetic acid is reacted with excess 1-pentanol, what mass of pentyl acetate would you expect to achieve theoretically?
April 10, 2012

INTRODUCTION TO THE SHORT STORY, PART 1
hes right
March 5, 2012

Statistics
For each of the following (a) indicate how many factors are included, and (b) tell how many levels there are for each factor: a) 2x2 b) 2x3 c) 2x3x2 d) 4x3 e) 4x3x2x3
February 14, 2012

tusd
last year, the sports athelitic club charges 20.00 per class. 70 people attended. The club wants to increase the class price. the club expects to lose one customer for each $1.00 increase. a. what should the new price be to maximize the income? b. what is the maximum income ...
February 7, 2012

English
My parents remind us to be good people.
February 7, 2012

Maths
triangle ABC is right angled at A. AD is perpendicularto BC. If AB= 5cm,BC= 13cm and AC=12 cm.find the area of triangle ABC. Also find the length of AD.
December 6, 2011

history
i like to eat food
December 2, 2011

history
Yes.
December 2, 2011

3rd Grade Math
@ missy ; the same
November 30, 2011

Math Grade 3
amount of carbhohydrates = 27 amount of calories = 121 amunt of calorie sourses other than carbhohydrates =121 - 27 =94
November 30, 2011

java programing
Write a program that evaluates the volume and surface area of a sphere of radius 11.2cm.
July 28, 2011

java programing
If you were writing a program application that was harvesting people's emails and telephone numbers, explain and demonstrate how you would validate the individual emails and telephone numbers! That is to make sure all the emails and telephones you got were valid.
July 28, 2011

java programing
Write a program that evaluates the volume and surface area of a sphere of radius 11.2cm.
July 28, 2011

calculus
sum (n*2^n)/(2^n +3^n) [n to infinity] conv or div ? and how to get that? thank you!
March 22, 2011

calculus
The parametric curve x(t)=3cos(t) y(t)=7sin(2t) intersects itself at a point P=(x0,y0) where x0= y0= The slopes of the 2 tangents at this point are? THANK YOU!
March 20, 2011

percentage
you have 50 students one day and 70 the next what is the percentage increase
January 13, 2011

math calculus
Use implicit differentiation to find the equation of the tangent line to the curve xy^3+2xy=9 at the point (31). The equation of this tangent line can be written in the form y=mx+b where m is
November 13, 2010

phys
The space shuttle, with an initial mass M = 2.41E+6 kg, is launched from the surface of the earth with an initial net acceleration a = 26.1 m/s2. The rate of fuel consumption is R = 6.90E+3 kg/s. The shuttle reaches outer space with a velocity of vo = 4632 m/s, and a mass of ...
November 11, 2010

Economics
Ashley is currently consuming 10 hot dogs and 8 hamburgers a week. The last hot dog she consumed yielded 20utils while the last hamburger she ate gave her 25utils. If hot dogs cost $2 and hamburgers cost $2.50, is Ashley consuming the correct quantities of these two goods to ...
November 8, 2010

PHYS
A bungee jumper (m = 61.00 kg) tied to a 45.00 m cord, leaps off a 75.00 m tall bridge. He falls to 5.00 m above the water before the bungee cord pulls him back up. What is the magnitude of the impulse exerted on the bungee jumper as the cord stretches? Can anyone show me how ...
November 4, 2010

Chem
In the |Molecular Geometry Lab 1. List three ways in which models used in this experiment are inaccurate representations of orbitals? 2.explain why the ClF3 molecule is not a trigonal planar molecule?
November 2, 2010

4th grade
explain the expanded algorithm for 92x5
October 27, 2010

LINEAR ALGEBRA
How to prove or disprove (a)if A has a zeronentryonthe diagonal then A is not invertible (b)if Ais not invertible then for every matrix B, AB is not invertible (c)if A is a nonzero 2X2 matrix such that A^2+A=0, then A is invertible
October 24, 2010

pre-algebra
-W
October 24, 2010

chem
1. what is the quantum numbers of the last electron of Sb?(n= l= ml= ms=) and why the answer are this number? 2.how many electrons would be found in the n=6 level if all possible orbitals were completely filled with electrons? how to calculate this one? Thank you~
October 1, 2010

chemistry
For a TLC lab,the stationary phase is the mixture of isopropanol and ammonia or the mixture of hexane,ethyl acetate and ethanol, the stationary phase is silica gel. text some dyes and drugs. which one of the two mobile phases is the more polar? Actualy I need two pieces of ...
September 29, 2010

chemistry
Also, for the same situation, which one of the two mobile phases is the more polar? Actualy I need two pieces of evidence... I think the polar one should be the isopropanol and ammonia because it moves slower. Can you help me come up another reason? Thank you~
September 28, 2010

chemistry
For a TLC lab,the stationary phase is the mixture of isopropanol and ammonia or the mixture of hexane,ethyl acetate and ethanol, the stationary phase is silica gel. text some dyes and drugs. what is the relationship between the polarity of molecules and the Rf values?
September 28, 2010

chemistry
it is 0.1M of acetic buffer equal to sum up of 0.05M of acetic acid and 0.05M of sodium acetic ?
August 14, 2010

nutrition
o What are some current nutritional issues, such as obesity or malnutrition for infants
April 2, 2010

Finance
if the price of milk has quadrupled (that is, grown four times) over the past 25 years, what has been the annual rate of inflation in milk price over that time period?
October 23, 2009

Finance
if the price of milk has quadrupled (that is, grown four times) over the past 25 years, what has been the annual rate of inflation in milk price over that time period?
October 22, 2009

Physics (is this right?)
yes
April 24, 2009

Physics
Consider a simple alternating current generator such as Hippolyte Pixii's dynamo. The current generated by such dynamo can be described as simple oscillating cosine signal. Assuming for simplicity that the max current generated each time a pole of Pixii's magnet passed...
November 25, 2008

Global : Columbus
Thanks, I truly believe he is a villian for what he had done to those poor innocent people. By stealing their crops, cloths, land, and making them slaves. But I know that someone had discovered the Natives before Columbus I just dont know who...... all I know is that he was ...
October 1, 2008

Global : Columbus
1) Why do you think Christopher Columbus is a villian? 2) Who discovered America before Columbus?
October 1, 2008

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