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July 24, 2016

Posts by Martha

Total # Posts: 290

Physics
The Victoria Falls is the tallest waterfall on Earth measuring 108 meters at its highest point. How long will it take for a single drop of water to fall over its edge into the chasm below? Please check answer, if I am doing it incorrectly help me set it up. the last person who...
January 28, 2012

PHYSICS
The Victoria Falls is the tallest waterfall on Earth measuring 108 meters at its highest point. How long will it take for a single drop of water to fall over its edge into the chasm below?
January 27, 2012

english
I have a four page paper I have written for a scholarship. It is still in its rough draft. Would anyone be willing to proof read it?
January 26, 2012

Misc.
is there a site online that i can find it?
January 25, 2012

Misc.
How do you know what township you are in?
January 25, 2012

chemistry
treatment of a 0.3203g sample of impure soduim chloride with an excess of AgNo3 resulted in the formation of 0.7331g of AgCl. how many grams of sodium chloride were in the sample? What is the weight percentage of NaCl in the sample?
January 24, 2012

chemistry
treatment of a 0.3203g sample of impure soduim chloride with an excess of AgNo3 resulted in the formation of 0.7331g of AgCl. how many grams of sodium chloride were in the sample? What is the weight percentage of NaCl in the sample?
January 24, 2012

chemistry
treatment of a 0.3203g sample of impure soduim chloride with an excess of AgNo3 resulted in the formation of 0.7331g of AgCl. how many grams of sodium chloride were in the sample? What is the weight percentage of NaCl in the sample?
January 24, 2012

Literacy
Which Boolean operator limits your search so that each term input must be in the same document
January 21, 2012

Math
At the school store, colored pencils are reduced from $2.40 a box to $2.00 a box. What is the percent of decrease?
January 6, 2012

bio
thanks the peptidoglycan is pretty clear. but, do you think you could explain the difference between an exon and intron?? in more simple terms
January 5, 2012

bio
What are introns and exons? also what is a peptidoglycan( i hope i spelled that right)
January 5, 2012

science
hello! I need good sites that can help me with my physics class! do you have any ideas??
January 4, 2012

Physics
An airplane flies due north at 220 km/h with respect to the air. There is a wind blowing at 65 km/h to the northeast with respect to the ground. What are the plane's speed and direction with respect to the ground?
November 9, 2011

economics
Market demand is given as QD = 200 – 3P. Market supply is given as QS = 2P + 100. Each identical firm has MC = 0.5Q and ATC = 0.25Q. What is each firm’s profit?
November 3, 2011

economics
A monopolist faces market demand given by P = 200 – Q. For this market, MR = 200 – 2Q and MC = 3Q. What quantity of output will the monopolist produce in order to maximize profits?
November 3, 2011

geometry
what is the value of x , if one lenght is 16, and the other one is 23
October 17, 2011

Chemistry
How much energy (in kcal) is needed to convert 53.2 g of water at 55.0 C to steam at 100.0 C
October 4, 2011

Physics
Two teams are having a rope pulling contest. Team A is pulling with a force of 2400 N at 135 and team B is 1550 N at 315. What is the resultant force?
September 26, 2011

help please:)
the answer is c
September 25, 2011

Algebra
Thanks! That's what I thought
September 18, 2011

Algebra
Hello, I have been trying a few ways to do this problem and am not having success. The sum of four consecutive odd integers is -212. Write an expression for the second, third and fourth odd integers. Use these expressions to write, and solve an equation to find the four ...
September 18, 2011

professional communication
explain the importance of five sentence starters that you can use in a professional presentation?
August 24, 2011

physics
A car moves at a constant speed of 24m/s. How long (in minutes) will it take to travel 15.0 km?
August 10, 2011

physics
a ball is released from rest and rolls down a slope. It covers 7.5m in 12.4s. Find the average speed of the ball in m/s and km/hr.
August 10, 2011

physics
A distance runner moves at a constant pace of 4.1m/s. how far (in m) does he move in 30 minutes?
August 9, 2011

statistic
solve the problem :score a test are normally distributed with a mean of 68.2 and a standard deviation of 10.4 estimate the probablility that among 75 randomly selected students, at least 20 of them score greater than 78
July 21, 2011

College chemistry
is dispersion force the strongest IM for Cl2
July 1, 2011

Math
Part of 26000 invested at 4% interest and the rest at 2% interest yields 680.00
June 20, 2011

grammar
Although the abscess was incised and drained in the emergency room and cultures were obtained, which grew coag-positive staphylococcus.
June 15, 2011

grammar
5.After lengthy discussion, it was decided the patient would continue to be treated in the hospital. Is there any conjuction in this sentence.
June 15, 2011

life orientation
i dnt knw dat is y im asking plz help
May 13, 2011

Life orientation
Dnt knw them,i have choosen the topic of pollution.can u plz give me those answer
May 2, 2011

English Honors - Tale of Two Cities
Hello, I can't figure out the significance of the quote in Tale of Two Cities: "Drive him fast to his tomb". I know it signifies the beginning of the revolution but I'm not sure why.
April 3, 2011

physics
Two charged spheres are 8.00 apart. They are moved, and the force on each of them is found to have been tripled
March 4, 2011

Physics
A certain coiled wire with uneven windings has the property that to stretch it an amount s from its relaxed length requires a force that is given by , so its behavior is different from a normal spring. You suspend this device vertically, and its unstretched length is 19.0 cm. ...
February 25, 2011

Advance Accounting
How do I prepare a consolidated elimination worksheet when the parent purchases all of subsidiary's bonds on open market?
February 20, 2011

Math
Solve for X. X^3=27 x = 3 because 3 * 3 = 9 and 9 * 3 = 27. Correct? -------------------------------------- [x]= 16 X = 4^3 because 4 * 2 = 8 and 8 * 2 = 16. Correct? -------------------------------------- (x-2)^4=16 I need help on this one!
February 14, 2011

Basic math
Compute. 3/2 - 4 1/3 The answer I got was 4 2/1.
February 11, 2011

theory of dressmaking
what is disposal of fullness
February 7, 2011

Math
You have 48 yellow blocks and 40 green blocks. What is the greatest number of identical towers that you can build using all 88 blocks?
February 6, 2011

math
show how 30/56 is smaller than 5/7 and 6/8
January 22, 2011

9th grade Math
i need help with my homework
January 22, 2011

Math
Place the digits 2, 4, 5, 6, and 8 in the boxes to obtain (a) the greatest difference (b) the greatest product I came up with A. 865 - 24 B. 865 * 42
January 19, 2011

Math
E89QEH
December 17, 2010

Math
Six cards numbered 1 through 6 are placed in a hat. One card is taken from the hat. The unit's digit of the sum of the numbers on the remaining cards are 9. What was the number on the card taken from the hat?
December 1, 2010

Family day care regualtions educational levels
Put this in order from begining to last associates degree 40 hour training bachelors degree cda degree or FCCPC associates thanks
November 28, 2010

Math
Using the digits 0, 2,3 ,4 5, 6 make the largest 4 digit in terms of value that you can.
November 21, 2010

ALGEBRA2
COULD YOU PLEASE CLARIFY "EXPANDED VERTICALLY BY A FACTOR OF 3"? THANK YOU SO MUCH.
November 12, 2010

social studies
I THINK THEY WISH TO CONVERT ALL PEOPLE TO THEIR RELIGION, BUT PLEASE NOTE I AM NOT 100% POSITIVE ON THIS AND I DONT WANT TO SPREAD ANY FALSE RUMORS! I SINCERELY WISH YOU THE BEST OF LUCK IN YOUR HOMEWORK ENDEAVOR!
November 12, 2010

LIMIT(CALCULUS)
YOU MIGHT WANT TO TRY PLUGGING IN THE TWO, AND THEN OF COURSE THE REST OF THE SOLUTIONS WILL BE GREATER THAN THE ONE YOU PUT THE TWO INTO. I SINCERELY HOPE THAT HELPS! *PLEASE NOTE I'M NOT 100% POSITIVE ON THIS! THIS IS JUST A SUGGESTION! I WISH YOU THE BEST OF HOPE!
November 12, 2010

college physics
Find the height from which you would have to drop a ball so that it would have a speed of 8.4 m/s just before it hits the ground.
October 28, 2010

statistics/probability
describe the sample space for a spinner with four equal sections of blue, red, green and yellow.
October 23, 2010

chem 121
We did a lab separating out the components of a mixture. One of the lab questions is "The weight of naphthalene was obtained by weighing the collected solid. Was this an accurate weight of the naphthalene present in the original sample?" I don't know how to ...
October 17, 2010

Science
A boy walks a total distance of 210 km due North. His starting position is at 20 km and his final position is 34 km. If it takes him 3 hours and 20 minutes to make this trip, what is his total velocity? What is his speed?
October 6, 2010

math
if $1747.56 is including HST, what is that price without the HST?
October 3, 2010

History
Describe Sumerian religious practices
September 29, 2010

civics
who are some good citizens? for example terry fox or mother teresa. i need people other than them
September 9, 2010

science
2.64*10^-5
September 9, 2010

science
A 0.513 M solution of a weak base has a pH of 11.4. What is the Kb of the base?
September 9, 2010

chemistry
A 0.010 M solution of aspirin, a weak monoprotic acid, has a pH of 3.3. What is the Ka of aspirin?
September 9, 2010

math
what precent of 3.5 is 7.2? show your work please.
August 24, 2010

us history
is there any one out there to help me
June 20, 2010

us history
a time line tracking the major themes/paradigm shifts in American History from the Columbus's voyages through the Mexican-American War (1846-1848).
June 20, 2010

Finance
I am very lost with this assignment can someone please help me. I just need one sample thank you. The Lanford Corporation had 2008 sales of $110 million. The other pertinent financial data for 2008 is as follows: 2008 Sales $110,000,000 Dividend Payout Rate 55% Balance in ...
May 11, 2010

Math
I remember that math question from Axia... MAT 115 final. That was an easy A.
May 5, 2010

general
why did you came up with 11.49% when the calculator gives 0.115310 and so on?
May 4, 2010

general
Can you please tell me what is the Percentage of 250,800.00/2,175,000 I have 11.53% is this correct.
May 4, 2010

Business communication
How do you write a positive message for a business that is going to have less work days and shorter hours?
April 30, 2010

english
thanks:)
April 18, 2010

english
oh ok thank you:)
April 18, 2010

english
It's about the personality differneces between two characters in a novel
April 18, 2010

english
um yes it could be a sentence or a few but it comes before the thesis statement too.
April 18, 2010

english
well no one else seems to know so i guess its just my english teacher. thanks anyway though
April 18, 2010

english
i dont get how to write a motivator for an expository essay?
April 18, 2010

3rd grade
r=red g=green r=g-5
April 18, 2010

math
how do you solve (and show your work for): 5-2x=7
April 15, 2010

Math
1 out of 6
April 15, 2010

english
thank you!:)
April 13, 2010

english
a sniper is someone in a war who has to shoot people from really far distances. and i have already done this and handed it in and then my teacher gave it back and told me to give it a better title and edit some other things and i have already done that
April 13, 2010

english
i need to write an expository paragraph about characterisitcs of a sniper. any good ides for a title???
April 13, 2010

Algebra
When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -10t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in meters/sec and “k” is the initial height in meters...
February 19, 2010

physics
A charge of 4.10 is placed at each corner of a square 0.100 on a side. Determine the magnitude of the force on each charge. Determine the direction of the force on each charge. Assume that the positive x-axis is directed to the right.
February 16, 2010

Math
How do you solve this. The answer is suppose to be 8x+5 and when I do the problem my answer is nowhere near the correct answer. 5{x-(3-x)+4}-2x
February 10, 2010

math
how do you convert a fraction into a decimal? and vice versa?
February 2, 2010

math
i just started this semester of math and i dont remember that if your adding mixed fractions are you supposed to chage it into an improper fraction to add it?
February 2, 2010

french
whats the question in this?
February 2, 2010

calculus
The region R is defined by 1(</=)x(</=)2 and 0(</=)y(</=)1/(x^3). a) Find the number 'a' such that the line x=a divides R into two parts of equal area. b) Then find the number 'b' such that the line y=b divides R into two parts of equal area.
January 21, 2010

physics 2
A proton is located at the origin of a rectilinear coordinate system. An electron is at x=4pm, y=3pm. What is the force on the proton. Give your answer in unit vector notation.
January 18, 2010

Computers
On Open office the word program how do you do headers. Every time i go to insert header it says default and puts the header on every page. The teacher says it has to be .5 on the right hand corner from our second page to the end. Any Suggestions.
December 1, 2009

English
Can I please have some help here. Is this correct for Mla citation. I used a piece out of our book from school in my paper. It has multiple authors and I can't find anywhere city of publication, publisher or year. If this is correct is the grammer right. Norton, Mary Beth...
November 13, 2009

psy210
What are the characteristeics of the eight different types of love?- consummate, companionate, romantic, fatuous, infactuated,empty love.
November 13, 2009

English Quick ?
Thank you just wanted to double check!!
November 13, 2009

English Quick ?
Before you write a paper you do an outline. I did so. Under one of my sections I have an A B C. When I type my paper are those all separate paragraphs?
November 13, 2009

grade 9 geography
which era was the western cordillera formed in(precambrian, paleozoic, mesozoic, or cenezoic)?
October 21, 2009

psy210
what theory was taken from European philosophy of Existentialism. posible anwsers include: A. Humanistic theory B. learning theory C. psychodynamic th. D. socioculture th. E. Trait th.
October 11, 2009

psy 210
what are all the posible awnsers for the Trait theory and the learning thoery. Located in appedix c
October 11, 2009

History
Who are the 3 generals from the Roman Empire?
September 1, 2009

5th grade math
capital A. 3 acute angles are in the top part of A and under the center bar is 2 obtuse angles.
September 1, 2009

Geometry
-1 = (-4 + x) divided by 2 which results in x = 2 5 = (3 + y) divided by 2 which results in y = 7 Thus the missing point is (2,7).
September 1, 2009

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