Friday
December 26, 2014

Posts by Robert


Total # Posts: 852

grammar
Remember the verb splits the subject and the predicate
August 25, 2009

grammar
Canadian-born
August 25, 2009

math
Kaitlyn, it is to show the distrubutions of the data set
August 25, 2009

math
you are no help
August 25, 2009

math
What fraction of the data 14 8 13 20 15 17 1 12 18 10 is greater then 13.5 please make a box and whisker plot
August 25, 2009

math
because for example a line graph can go up or down but it can also go diagonal
August 25, 2009

Math
who here knows about box and whiskers
August 20, 2009

english
yes but i would rather use commas instead of semicolons anyway it is a good sentence.
August 11, 2009

science
hypothoesis
August 11, 2009

science
the ? is an educated guess
August 11, 2009

science
The ? variable is the part of the experiment that is affected by the independent variable
August 11, 2009

Walk Two Moons
your welcome MC.
August 11, 2009

Walk Two Moons
i think it means don't judge a man if he hasn't walked on the moon or moons
August 11, 2009

science
the ? is the part of an experiment that is not being tested and is being used for comparison.
August 11, 2009

science
the ? describes the steps you use during an experiment?
August 11, 2009

science
what does co2 mean
August 11, 2009

social studies
name all the presidents
August 11, 2009

SOCIAL STUDIES
Ms. Sue is right
August 11, 2009

American Democracy
I am going to say b
August 11, 2009

math
need an aswer quich ok thiers two the find sin(2pi/3 -pi/4) using sum and difference identites and then tan 5pi/12 using the same identites
August 3, 2009

Algebra Help
I ran this through an equation solver and it it tells me x = 2 only?
August 3, 2009

Algebra Help
The way it is written is x+sqrt(11-x)= 5 x+ sqrt sign11-x = 5 the x is under the root sign then = 5 Would this still have the same conclusion? 2,7, or just 2 ?
August 3, 2009

Algebra Help
I have a question regarding this problem below? I noticed it in an eariler post, and have come to figure that my text book has it like this? What would be the solution for this? x+sqrt(11-x)= 5 x = 2? OR 2,7? OR NO solution? I say x = 2 only? Any Thoughts?
August 3, 2009

calculus
The illumination of an object by a light source is directly proportional to the strength of the source and inversely proportional to the square of the distance from the source. If two light sources, one three times as strong as the other, are placed 11 ft apart, how far from ...
June 30, 2009

Algebra
Exrpess each number in terms of i a. root-21 b. -root-59 c. -root-9 d. root-28
June 23, 2009

Communications Theory
Thank you! I am leaning towards Socio-Psychogical. Thank you all for your insight!
June 21, 2009

Communications Theory
Something like that. I need to know what his work fell into based on the 7 traditions of communication. Which of the seven best defined hs work? Rhetorical Semiotic Phenomenological Cybernetic Socio-Psychological Socio-Cultural Critical I would say either of the last 3. What ...
June 21, 2009

Communications Theory
Which of the larger 7 traditions of communication does Gerbner's work fall into?
June 21, 2009

Algebra
When Let f (x) = x^2 – 3x + 8 and g(x) = x – 5 Find Find the composite function of (fºg)(x) and simplify Find (fºg)(2) Find the composite function (gºf)(x)
June 17, 2009

Math
what is the square root of negtive 80
June 17, 2009

Algebra
I need to find the quotient function of the following: Given that f(x)=x^2-3 and g(x)=2x+1 find each of the following if it exists: a. (f/g)(-root3) b. (g/f)(-1/2)
June 14, 2009

lit
The Theme and writting style
June 14, 2009

english.poem, Miss Rosie
It's C
May 27, 2009

Algebra 1
3(x-2)>4(2x+11)
May 20, 2009

Earth Science
51,988.63 repeated
May 11, 2009

computers
To present displays and information, usually in slides.
May 9, 2009

Math
If every seven digit whole neumber is a possible phone number, except those that begin with 0 or 1, what fraction of telephone numbers begin with 9 and end with 0?
May 3, 2009

Math
240-80 = 160 acres Sunflowers = 80 acres flax
March 30, 2009

Economics (attempted as suggested by economyst)
a. 60 b. 60 c. 30*30+12=912 d. atc= (3600+60*30)/30=180 e. increasing, decreasing
March 30, 2009

Spanish
I am sorry, but I am not familar with Sra. Does she usually check this site frequently?
March 30, 2009

Spanish
Please someone?
March 30, 2009

Spanish
Please help. This is urgent.
March 30, 2009

Spanish
Please help me translate. Dear Juan, If you do not want your girlfriend to leave, you need to listen to me carefully. You were wrong. In a relationship, no matter the situation, the guy is always wrong. Be a man and tell her you made a mistake. I am sure she would appreciate ...
March 30, 2009

Help with Translation
Translate to spanish please.
March 30, 2009

Help with Translation
Please help me translate this short letter. Dear Juan, If you do not want your girlfriend to leave, you need to listen to me carefully. You were wrong. In a relationship, no matter the situation, the guy is always wrong. Be a man and tell her you made a mistake. I am sure she ...
March 30, 2009

Literature / Short story I
ccacddcacbbcdbbddab
March 13, 2009

Algebra
Thanks for the help!
February 24, 2009

Algebra
This is what I got. Which is correct? I don't know if you -6 - - 2 = -6 + 2 = -4 -1 + 3 = 2 -4/2 = -2 Slope m = -2
February 24, 2009

Algebra
Find the slope of the line that goes through the given points. I would apprecaite some feedback to this ?, but I think I have an idea how to figure it out! (3,-2),(-1,-6)
February 24, 2009

Math
I need 3 ordered pairs of points that would be solutions to this equation. Can anyone help please, thanks! 4x - y = 7
February 19, 2009

Math
The defining of reproducable physical measurments was made in a way that allowed scientests to validate each others findings. The boling point of pure water at 1 atmosphere of pressure is by defination 100 degrees C. For every day common use 1 standard atmosphere of pressure ...
February 5, 2009

PhYSiCs
A two end open pipe organ's sixth harmonic is produced by a tuning fork with a frequency of 440 Hz. If it is 17 degrees Celsius, what is the length of the tube?
February 3, 2009

Math 116A
I have been out of school for a very long time and I just enrolled to take some classes online and I am having a lot of trouble with my math. I just cannot seem to understand what it is that they want. Is there anyone that can help me with this. I am desperate. We are doing ...
January 24, 2009

Chemistry
Spectrophotometric measruments give us a little information about the comlpexity of the fractions that we obtain by solid phese extraction. To determine the identity and number of the compounds each fraction has , what should we do?
December 9, 2008

Chemistry
A solid-phase extraction cartidge has C18 material. What is the reason behind that all the characteristic grape juice color get transferred to the packing material of the cartridge?
December 9, 2008

PhYsIcS - RoTaTiOnAl MoTiOn
Oh, so you just convert the rotational motion into linear motion that can be used in a kinematic equation! Now I get it! Thanks!
December 7, 2008

PhYsIcS - RoTaTiOnAl MoTiOn
I know you use deltaTheta = 1/2(wi + wf)deltaT, but I don't know how to solve for the wf or t of the mud (the final velocity or the time it's in the air)
December 7, 2008

PhYsIcS - RoTaTiOnAl MoTiOn
A tire (0.8 m diameter) starts at rest and has an angular acceleration of 5 rad/s^2. If it moves for 10 seconds and then stops abruptly causing a blob of mud at the top of the tire to fly off, how far along the ground will the blob travel until it hits the ground?
December 7, 2008

functions
sin(15) = sin(45-30) sin(45)cos(30) - cos(45)sin(30) ^ Plug in values
December 7, 2008

Square roots
sqrt(1440) = 37.94733192
December 7, 2008

Physics - Rotational Motion
Whichever one is the easiest to analyze.
December 7, 2008

Physics - Rotational Motion
The 2d drawing that goes with #2 shows a circle at the top of an incline. \
December 7, 2008

Physics - Rotational Motion
(#1.) A top starting from 40 rad/s takes 200 rad to stop. What is its rotational acceleration? (a constant) (#2.) A stationary 100 Kg circular object (r= 0.20 m) is on a 35 degree incline. The coefficient of rolling friction between the block and the incline is 0.01. If it ...
December 7, 2008

Physics - Rotational Motion
(#1.) A top starting from 40 rad/s takes 200 rad to stop. What is its rotational acceleration? (a constant) (#2.) A stationary 100 Kg circular object (r= 0.20 m) is on a 35 degree incline. The coefficient of rolling friction between the block and the incline is 0.01. If it ...
December 7, 2008

AP US History
Benjamin Wade
December 1, 2008

Math
how could you use 5 x 6 = 30 to find the product of 6 x 6
December 1, 2008

AP Chemistry
all three?
November 28, 2008

AP Chemistry
Consider a 50.4 g sample of H2O(g) at 115°C. What phase or phases are present when 156 kJ of energy is removed from this sample? Specific heat capacities: ice, 2.1 J/g·°C; liquid, 4.2 J/g·°C; steam, 2.0 J/g·°C, ÄHvap = 40.7 kJ/mol, &...
November 28, 2008

Chemistry
Hi everyone, I'm having problems with effective nuclear charge. Regarding these problems. Calculate Zeff for a valence electron in an oxygen atom. and Calculate Zeff for the 4s electron in a copper atom, . and Calculate Zeff for a 3d electron in a copper atom, Cu. Like for...
November 9, 2008

urgent Help .. Chemistry
If you assume that an atom is a hard sphere, you can estimate the average volume of space it occupies using basic geometry. Estimate the volume,V , of one sodium atom (Na) using its metallic radius of 186 pm . Express your answer in cubic picometers.
November 9, 2008

chemistry
reaction between CuSo4+NaCl
November 4, 2008

physics
A 2 gram bullet traveling at 1500 m/s [East] hits a 200 g block of wood at rest, and becomes embedded in it. If the block is suspended by long ropes, how high will it travel before it comes to rest?
November 3, 2008

social studies
What was the type of ship that Hernando Cortes sailed? Thank you.
October 26, 2008

College Physics
Yeah this is from a physics lab. It was for a "Energy Works" lab where we trying to proof conservation of energy. Total energy = KE + Ug. We had a 2.2m long Dynamics Track with Dynamics cart. We used a "riser block" which was a wooden block to raise the ...
October 25, 2008

College Physics
Let's say you measure an average acceleration to be 0.3883 ms-2. What is the height (in centimeters) of the riser block? Assume the legs of the track span 1.0000 m and that there is neither friction nor drag. Also assume the block is under one of the legs. cm Use three ...
October 25, 2008

7th grade science
....... capacity is the largest numbers of individuals of one species that an ecosystem can support over time. What kind of capacity???
October 22, 2008

Science
The maximum rate of increase for a population is its......... potential.
October 22, 2008

Chemistry (Orbital help needed)
I just want to make sure I'm doing this right... (Numbers in brackets are the square roots or electrons) "How many orbitals are completely filled in an atom that has 12 electrons? The electron configuration is 1s[2]2s[2]2p[6]3s[2]?" It would be 2 right? I'm ...
October 22, 2008

Project Management
How does the design phase of the project management life cycle differ in content and importance from the other phases?
October 21, 2008

government
durrrr..
October 19, 2008

math
A science workbook is 0.75 inches thick. How many workbooks will fit on a 2-foot shelf? what is the equation? estimation?
October 17, 2008

math
A science workbook is 0.75 inches thick. How many workbooks will fit on a 2-foot shelf? what is the equation? estimation?
October 17, 2008

math
A science workbook is 0.75 inches thick. How many workbooks will fit on a 2-foot shelf? what is the equation? estimation?
October 17, 2008

Project Management
List the personal and professional characteristics necessary to be an effective project manager. What characteristics are learnable?
October 8, 2008

chemistry
yes that solved everything thanks!
October 4, 2008

chemistry
Ibuprofen, the active ingredient in Advil, is made up of carbon, hydrogen, and oxygen atoms. When a sample of ibuprofen, weighing 5.000 g, burns in oxygen, 13.86g of CO2 and 3.926 g of water are obtained. What is the simplest formula of ibuprofen? I need to find out if I'm...
October 4, 2008

ALGEBRA
can you help me with this. d dont get it at all :( let n be the number used for the given number puzzle. use algebra to show how the puzzle works. 1. pick a number 2. subtract 9 3. multiply by 6 4. divide by 3 5. add 18 6. subtract twice your original number You will always ...
September 24, 2008

Physics
Oh okay thank you very much.
September 16, 2008

Physics
Hey I'm not sure how to solve this problem: An 1840 kg car is moving to the right at a constant velocity of 2.94 m/s. What's the netforce? What's the netforce if the car would be moving to the left? I'm thinking that the net force going right and the net force ...
September 16, 2008

accounting
i HAVE A BALANCE SHEET FOR A COMPANY AND i WOULD LIKE FOR SOMEONE TO TELL ME IN LAYMAN TERMS WHAT IT SAYS
September 12, 2008

computers
Why do you think the requirements analysis process is so difficult?
September 9, 2008

Critical Thinking
I could not identify vague, ambiguous, or rhetorical devices in this article. Can you tell me if I am missing something? John Kerry is making the outsourcing of jobs by American companies a centerpiece of his campaign, telling audiences that ''because of George Bush&#...
September 6, 2008

Biology
The following chemicals have the indicated formula weight Surcose = 342.3g; Potassium dihydrogen=136.09; and Tris=121.14 Also the following solution already made: 20%SDS, 5M NaCl, 500mM EDTA. You have a 40% glycerol solution, and 10X TBE. List the step to make the following ...
August 27, 2008

Physics
Given the initial position of a particle is x(0)=2m at t(0)=0s. At t=2s, what are the particle's (a) position, (b) velocity and (c)acceleration?
August 26, 2008

Grammer questions check
Identify the locations or locations where apostrophe errors occur: (A) When the dog knocked over it's (B) bowl, the little girl claimed that the dog wasn't (C) her's
August 13, 2008

calculus
what is the integral of x^(2)arctan(6x) dx?
May 22, 2008

math
a ______________ is a mathematical rule.
May 21, 2008

math
what is a mathematical rule?
May 21, 2008

novel
1)B 2)C 3)C 4)D 5)D 6)C 7)B 8)B 9)C 10)B 11)A 12)C 13)A 14)B 15)D 16)C 17)A 18)D 19)A 20)D
May 21, 2008

Chemistry -- to Dr.Bob
whom should i link up with to meet the challenge of spending the next two hours blowing up rubber balloons by mouth besides old huff and puff luc,eh what?I`m woefully loneley for Mr.Adams.Thanks
May 2, 2008

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