Monday
September 22, 2014

Posts by Lexi


Total # Posts: 200

Math
Let L be the line whose equation is Re(z) + Im(z) = 2. Find the equation of the inversion of L, expressed in terms of a complex variable z. Thanks so much! Lexi
October 2, 2011

Math
How do you factor 84-2c-2c^2 ?
September 21, 2011

Math
Hello, im in 6th grade and im trying to find out the least common multiple of a number and the greatest common factor of a number. I dont know what they are. thanks
August 28, 2011

physics
A boy walks 13 km in 2.0 h. What is his speed in km/h and m/s. Show work.
August 25, 2011

Graphing Method
y=4x+3 y=x-5
July 4, 2011

chemistry
carbonate*
June 3, 2011

chemistry
When performing a titration, 23.65 mL of 1.25 M calcium carbonste was used to neutralize 9.68 mL of HCl. What is the concentration of the HCl solution? (Create a balanced equation first)
June 3, 2011

chemistry
what is the new concentration of a NaOH solution that was made from 75 mL of a 5.5 M NaOH solution and diluted it to 250 mL?
June 2, 2011

algebra
on three consecutive passes, a football team gains 7 yards, loses 38 yards, and gains 19 yards. What number represents the total net yardage?
May 15, 2011

science
What would happen if the temperature in the Tundra drops 20 degrees farenheit?
May 2, 2011

Chemistry 106
How would you prepare 1.00 liter of a 0.18 M solution of NaOh?
April 11, 2011

math
a=c divided by7 b=a multiple of 5 less than 20 c= b divided by 6 d= a x c a = b= c= d=
March 19, 2011

quadrilateral and angle sums
what is the measure of a square convex to the nearest degree?
February 20, 2011

Math
A commercial airplane has a takeoff speed of about 300 km/h. What si the takeoff speed in mi/h?
January 17, 2011

Drug Information Sources
18 is d
December 22, 2010

Math
segment yw is perpendicular to segment xz. the perimeter of triangle xyz is 71 meters. what is the length of segment wz
December 16, 2010

Math
28, 33, 38
December 16, 2010

math fractions
how do you put 7/16, 5/8, and 3/4 in order from greatest to least
December 15, 2010

5th grade math
7/16 5/8 3/4
December 14, 2010

College Algebra
awesome thanks!
November 22, 2010

College Algebra
For a test question, a mathematics teacher wants to find two constants a and b such that the test item "Simplify a(x + 2y) − b(2x − y)" will have an answer of -4x + 12y. What constants a and b should the teacher use?
November 22, 2010

ALGEBRA/ PLEASE HELP
You're right on the first one, but the slope on the second would be 1/5 because 5-0 is 5, not zero. If you come across a slope with the denominator of zero though, it will be undefined.
November 22, 2010

College Algebra
thank you so much!
November 22, 2010

College Algebra
Only 34% of the carbon-14 in a wooden bowl remains. How old is the bowl? (Carbon-14 has a half-life of 5,700 years.)
November 22, 2010

5th grade
your daughter could ask her teacher what all she would need.
November 14, 2010

College Algebra
Thank you so much!
November 10, 2010

College Algebra
The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assuming a Malthusian growth model, find the world population in 45 years. (Round your answer to one decimal place.)
November 10, 2010

math
9+6=___ _ _ 10+__=__ write the sum. show the make a ten fact you used
November 3, 2010

algebra
find (FxG)(X) and (GxF)(X) when f(x)=5x^2-1 and g(x)=2/x
October 24, 2010

college
find (FxG)(X) and (GxF)(X) when f(x)=5x^2-1 and g(x)=2/x
October 24, 2010

Math
what is y-12=16?
October 18, 2010

college physics
Which of the following statements about special relativity is false? a).The proper length of an object is always larger than the length of the object in a frame where it is moving. b).The proper length of an object depends on the relative speed between the object and an ...
October 4, 2010

College Physics
The homework says 3 out of 4 are correct. With 1 being false so that means one of these have to be false.
October 4, 2010

physics
A novice golfer on the green takes three strokes to sink the ball. The successive displacements are 3.80 m to the north, 1.80 m northeast, and 1.00 m at 25.0° west of south. Starting at the same initial point, an expert golfer could make the hole in what single ...
September 26, 2010

social studies
WHAT ORESIDENT ORDERED AMERICAN TROOPS TO SEIZE THE PORT OF VERACRUZ IN APRIL 1914?
September 20, 2010

6th grade/math
I dont understand can you help me? Alicia has made a rectangle using 24 square tiles. If she adds the length and width of her rectangle together, she gets 11. What is the length and width of Alicia's rectangle?
September 10, 2010

physics
1103.4
September 4, 2010

Math
Graph each equation by point-plotting 3x-2y=6
September 1, 2010

10th grade Math
A radio station's signal has a radius of 100 miles. If you drive at a constant speed of 40 miles an hour, nonstop, directly across the diameter of the signal, how long can you listen to the station before the signal fades?
June 26, 2010

10th grade
The difference between two numbers is 25. The smaller number is 1/6th of the larger number. What is the value of the smaller number?
June 26, 2010

Chemistry
How could i determine the apparent molal concentration of BaNO3 when the freezing point of the aqueous solution is -2.65 degrees Celcius
May 3, 2010

10th grade
radio 5 to 3 how many of each one totals 4000?
March 15, 2010

health
What is social health?
January 29, 2010

math
vnidsjvnbsdifb wsgyswrgywerygwb GYw
December 4, 2009

Math
If u have a hundred points and split it into 4 . But you cant use a number more than once. What numbers would you use.
December 4, 2009

latin
i need help translating this sentance to latin.. "six safe and favorable slaves were standing under their healthy statues and always satisfied the opinion of the cruel syracusans with wisdom"
October 26, 2009

Graphic Design
Find three examples of this typeface in use today.... I'm lost with this question and I can't find anything. Can you help me?
October 19, 2009

5th grade -math
what is a range?i thought it was 5
August 27, 2009

5th grade -math
okay show i need to use a ruler
August 27, 2009

5th grade -math
name five fraction numbers between 0 and 1?
August 27, 2009

5th grade math-ms sue
name five fraction numbers between 0 and 1?
August 27, 2009

5th grade math-ms sue
9 is that correct
August 27, 2009

5th grade math-ms sue
are you here.
August 27, 2009

5th grade math-ms sue
ms. sue*****ann and celia have 5 pens, 18 pencils, anf 22 erasers. If they share them equally, how many pencils will each one have?
August 27, 2009

5th grade math
what is a factor? and can you give me an example
August 27, 2009

5th grade
MS. SUE***WHAT IS A FACTOR?
August 27, 2009

5th grade math
Name two fractions equivalent to 4/6
August 17, 2009

Social Studies
Vietnam War website suggestions?
June 2, 2009

social studies
Does anyone know some good websites to get information on the effects of the Vietnam war?
May 31, 2009

social studies
What were the two major alliances in Europe in the years leading up to WWI?
May 24, 2009

sale price
How do you find sale price? ex. A soccer uniform that normally sells for $45 is on sale for 30% off. Find the sale price.
May 24, 2009

unit rate
How do you find unit rate? ex. 80/2.5 = x/1
May 24, 2009

science
Im pretty sure its outer crust, inner crust, mantle, and core. Again, im only pretty sure. I dont have my science text book with me.
May 24, 2009

math
He is 7 inches short
April 22, 2009

Math-Functions
wellll you would have to plug in -3 for x. do the rest of the math
February 5, 2009

calculus
please help with this problem- i've been working for the last 2 hours and can't seem to find a solution the integral of ln(x^2-x+2)
February 5, 2009

7th grade
1,500 pages in 12 days = _____ pages in 3 days.
January 12, 2009

3rd grade science
sound is made with matter and
December 8, 2008

3rd grade science
what is also a form of energy
December 8, 2008

3rd grade science
what is a form of energy
December 8, 2008

3rd grade science
what are forms of energy
December 8, 2008

chemistry
three questions please: (1) What kinds of evidence can you use to determine if a chemical reaction has occurred? (2) How do the properties of the cooked egg differ from the properties of a raw egg? (3) how are the endothermic and exothermic reactions the same? How are they ...
December 2, 2008

algebra
(x^2n - y^n)(x^2n -Y^n)
November 27, 2008

algebra
(x^2n - y^n)(x^2n -Y^n)
November 27, 2008

math
10x+5y^2+2xy-4y^2+4xy-x3=
October 30, 2008

Statistics
Problem 2: A random sample of 10 miniature tootsie rolls was taken from a bag, each piece weighed on a very accurate scale. The results in grams were: 3.087 3.131 3.241 3.241 3.27 3.353 3.4 3.411 3.437 3.477 a)construct a 90% confidence interval for the true mean weight. b)...
October 20, 2008

Statistics
I have 2 statistics problems that I've done and felt completely confident with them until I worked the problem a different way and got a different answer. I was wondering if you could tell me if I have the right answers or not. Thanks so much! A certain air plane has 2 ...
October 20, 2008

Statistics
What measurement forms normal distribution? Would it be the mean and variance? (avg. and standard deviation) Could you help me please
October 15, 2008

Statistics
What measurement forms normal distribution?
October 15, 2008

8th Grade Math
Tom was floating down the river on a raft when, 1km lower down, Michael took to the water in a rowing boat. Michael rowed downstream at his fastest pace. Then he turned around and rowed back, arriving at this starting point just as Tom drifted by. If Michael's rowing speed...
September 30, 2008

Maths
In a quadrilateral ABCD, angle A = 120 degrees angle B = 140 degrees The bisectors of the angles C and D meet at the point Y. Find the size of the angle DYC
September 30, 2008

math
The RANGE is the difference between the lowest and highest values. In this case 100 - 80 = 20, so the range is 20. The range tells you something about how spread out the data are. Data with large ranges tend to be more spread out.
September 30, 2008

Maths - Pigeon-hole principle
Using the Pigeon-hole principle... 91 five-digit numbers are written on a blackboard. Prove that one can find three numbers on the blackboard such that the sums of their digits are equal.
September 30, 2008

maths
91 five-digit numbers are written on a blackboard. Prove that one can find three numbers on the blackboard such that the sums of their digits are equal.
September 30, 2008

Maths
When a certain number N is divided by d, the remainder is 7. If the original number N is multiplied by 5 and then divided by d, the remainder is 10. Find d.
September 30, 2008

8th grade math.
i need help with dividing negative numbers. for example :what is -2/-4.
September 8, 2008

respost A&P
Dengue fever and Dengue Hemorrhagic Fever (DHF) "Dengue and dengue hemorrhagic fever (DHF) results from infection by any of four serotypes of dengue viruses. Transmission occurs through the bite of infected Aedes mosquitoes, principally Aedes aegypti, which is also the ...
July 20, 2008

Anatomy and Physiology paper
I have to do a research paper in A&P please check this over for me and lwt me know what you thinks thanks this what needs to be done Select a single medical disorder. Consult resources other than the course textbook and this study guide. Examples of resources include other ...
July 19, 2008

chemistry
This person meant sulfite.
July 1, 2008

math-algebra
sqrt27xy^3/sqrt9x I'm getting 3 answers to this. yxsqrt3y/x, ysqrt3xy/3x, and 3sqrt3y Can anyone please tell me which one is correct?
June 10, 2008

Chemistry
The absorbance values At & A0 recorded in the experiment 'Rate Law Determination of the Crystal Violet Reaction' are used in the place of the concentration values of which species A. CVOH B. CV+ C. –OH D. Na+ E. H2O
May 16, 2008

chemistry
zero and second are right but first is not b, i dont know what it is
May 15, 2008

chemistry
the question is not answered above!! please help!!
May 1, 2008

Chemistry
I think half reactions are redox and Pb has the greatest ability to reduce its neutral metal
April 21, 2008

chemistry
I still don't understand are the reactants on one side of the || and on the other side is products? for the second one there are 2 answers that could possibly work here
April 18, 2008

science
identify three kinds of nerons that are found in the nervos system?describe how they interact to carry nreve impulse?
March 20, 2008

math
I had this same question ;) I guess its already been answered
March 2, 2008

physics
Which truck has more momentum?? 20kg*m/s or 20000kg*m/s??? HELPPP!!!
October 8, 2007

Social Studies
Can you please help me understand what is meant by "democratic spirit"? Thanks
September 30, 2007

Chemistry 1 H
AgNO3+ BaCl2-> AgCl+ Ba(NO3)2 a. balence the equasion b. How many grams of silver chloride(AgCl) are produced from 5.0g of silver nitrate (AgNO3) reacting with an excess of barium chloride(Ba Cl2)? c. How Many grams of barium chloride (BaCl2) is necessary to react with 5.0...
January 4, 2007

Pages: <<Prev | 1 | 2

Search
Members