Wednesday
October 1, 2014

Posts by Lauren


Total # Posts: 1,516

physics
Three identical masses of 500 kg each are placed on the x axis. One mass is at x_1 = -11.0 cm, one is at the origin, and one is at x_2 = 37.0 cm. What is the magnitude of the net gravitational force F_grav on the mass at the origin due to the other two masses? Take the ...
October 11, 2010

english
Okay I figured out my question that I posted before. But can you please explain to me what this means? Style is not applied to writing. It is the writing. I don't understand what that means. Thank You
October 9, 2010

English Ms. Sue
I would like to know how I could write this in my own words. I wondering if you could help me out because I don't know what to put. Thank you and enjoy the rest of your weekend. Style is known for being the literary element that makes language memorable. Style is basically...
October 9, 2010

english
All four of them???
October 8, 2010

english
Are all these examples of Imagery. Yes or No.. Thank You for your help. I think that they all are. But not to sure. She smiled a little through her face was drawn with pain and she bit her lip the smile fading. We got there quite quickly even though it was still so dark and it...
October 8, 2010

Organic Chemistry
Determine bond length and bond strength? The picture of the problem is shown here: oi52[insert dot]tinypic[insert dot]com/jfgnb6[insert dot]jpg I got the following: I think that the strongest bond is the triple bond (A). I think that the shortest bond is also the triple bond (...
October 3, 2010

chemistry
2 solids samples each contain sulfer, oxyegen, and sodium only. These samples have the same color, melting point, density, and reaction with an aqueous barium solution. Are they solutions?
October 2, 2010

Geography
In simple terms can you please explain to me what free market capitalism means? All the definitions are confusing and I don't understand them. Thank you for your help.
October 1, 2010

Geography
Western civilization is characterized by the beliefs that the individual is in control of their environment and is responsible to improve it for themselves and family. Where do these beliefs come from?
October 1, 2010

earth
If the Earth has so much mass, then how does it "float"? (My 8th grade Astronomy class trying to figure this out. -Lauren
September 29, 2010

Math
How would you solve -9+x = x/8 -23 ?
September 27, 2010

Math
How do you solve 1/3x-6 = 9+2/3x Please help!
September 27, 2010

Math
Can you please explain what the quad formula is?
September 27, 2010

Math
-9+x = x/8 -23
September 27, 2010

Science
Make the necessary conversions between ordinary decimal form and standard exponential notation. a) 56934 = ?
September 26, 2010

Literature
In emphasizing the importance of individual thinking and basing one's beliefs on one's own experiences, Sujourner shows she has much in common with
September 22, 2010

Statistics
how do it on paper and pencil?
September 20, 2010

Statistics
The amt of time cold sufferes will experience symptoms is normally distributed wiht a mean of 7.5 days and a standard deviation of 1.2 days what proportion of sufferers will experience in LESS THAN 4 days , also what proportion will experience sympotms for 7-10 days How do you...
September 20, 2010

social studies
How many people lived on the north american continent before european settlement?
September 19, 2010

science
How many people lived on the north american continent before european settlement?
September 19, 2010

Internal Assessment Topic
I have to come up with an Internal Assessment topic for history, and I want something that focuses on Trotsky, but I'm having trouble thinking of a good topic. I would've liked to compare the roles of Trotsky and Lennin in the October Revolution, but my friend has ...
September 14, 2010

20th Century World History
I have to come up with an Internal Assessment topic for history, and I want something that focuses on Trotsky, but I'm having trouble thinking of a good topic. I would've liked to compare the roles of Trotsky and Lennin in the October Revolution, but my friend has ...
September 14, 2010

chemistry
how many moles of solute is present in 40.0mL of 1.000 M of HNO3
September 14, 2010

Pre Calc
the 1 is over k(k+1), and the A is over k, and the B is over k+1
September 12, 2010

Pre Calc
Solve for A and B if: 1 A B ----- = --- + --- k(k+1) k k+1
September 12, 2010

Pre Calc
Determine K: a:12! -- =k 10! b:65!+64!+63!=k^2*963! c:(k+5)!=(k^2+196)(k+3)!
September 12, 2010

Pre Calc
Determine K: a:12! b:65!+64!+63!=k^2*963! -- =k 10! c:(k+5)!=(k^2+196)(k+3)!
September 12, 2010

english
dissect sentence To sail around the world has always been my life-long dream
September 12, 2010

9th grade english
need help dissecting five sentences for parts of speech and sentence 1) Following too closely behind a car can be dangerous
September 12, 2010

spanish
Muchas gracias! :)
September 12, 2010

spanish
When one is referencing mood, I know estar is generally used because states of mood are temporary. In the following sentence, though, it seems like ser might be more appropriate, at least for the first part, because "siempre" indicates the mood is permanent. In the ...
September 12, 2010

math
find p from the formula I=prt/100 when i=20, r=5 and t=4
September 5, 2010

Chemistry
1.25 x10^-5g/ 0.75 moles = Not sure what the ^ stands for
August 31, 2010

geometry
IF a quadrilateral EPIC is a rectangle what are the slopes of the other 3 segments?
August 30, 2010

science
The combustion of acetylene in the presence of excess oxygen yields carbon dioxide and water: 2C2H2 (g) + 5O2 (g) ¨ 4CO2 (g) + 2H2O (l) The value of ƒ¢So for this reaction is __________ J/K.
August 1, 2010

AP Physics
i'm in ap physics too and we do WAY more complicated stuff than that.
August 1, 2010

Calculus
How do you factor (x^2+1)^(1/2)*(x^2-1)+((x^2+1)^(3))^(1/2)*(2x^2-2)?
July 3, 2010

math 6th grade
what i ended up getting is 2.25 feet and 0.75 yards
June 29, 2010

math 6th grade
i think the answer is 5 feet
June 29, 2010

math 6th grade
20
June 29, 2010

math 6th grade
You have 15 yards of ribbon for your gift boxes. each box gets the same amount of ribbon. How much ribbon will each box get
June 29, 2010

English 1
Please Help. I have read it over but have no clue
June 23, 2010

English 1
Which of the following statements, all spoken by Frank, BEST describes Frank's character? This is from the play, "Thunder on Sycamore street." Choose what you believe is the strongest response to this question. Write the letter of the answer you choose and ...
June 23, 2010

algebra 1
but its a multiple choice and it doesnt have that as one of the choices...
June 17, 2010

algebra 1
the question is: What is the sum of 5 radical 7 and 3 radical 8? i dont understand how to solve this because i cant pull out a perfect square
June 17, 2010

statistiss
you need the table in order to do the question.
June 17, 2010

Chemistry
the answer is 6.20 L
June 5, 2010

Chemistry
its 6.20 L
June 5, 2010

algebra
yOUR BROTHER TRAVELED 117 MILES IN 2.25 HOURS TO COME HOME FOR SCHOOL BREAK. wHAT'S THE AVERAGE SPEED THAT HE WAS TRAVELING?
June 3, 2010

math
52 i think
June 3, 2010

math
I got 0.01923077
June 3, 2010

math
thank you i will
June 3, 2010

math
2.25 divided by 117 is 2 by 10 is 5 and I am cinfused now
June 3, 2010

math
13 miles per mile I THINK
June 3, 2010

math
YOur brother traveled 117 miles in 2.25 hours to come home for school break. What's the average speed he was taveling
June 3, 2010

EDU
she is right
June 3, 2010

english
It is a correct runon sentance, congrats
June 3, 2010

WRITING
Some say that texting on a cell phone is a bad thing for students focus, but their is a simple thing we can do is by having the teachers go around the classroom to see if students are texting. how can i fix this run-on sentence
May 25, 2010

chem help!!
i am talking about nails..nails that have iron in them
May 25, 2010

chem help!!
What effect does bending, stress, or machining have on the tendency of iron to corrode?
May 25, 2010

Chemistry
The problem on my homework is: What mass in grams of iron metal is required to react with 2.50 L of .1500 M of sulfuric acid to produce 18.35g of iron (III) sulfate? please help!
May 23, 2010

language arts
Is it... a lyric poem??
May 13, 2010

language arts
What kind of poem is "Solitude" by Ella Wheeler Wilcox? (lyric, ode, haiku, etc.)
May 13, 2010

math
How do I figure out what the nth term is in a sequence? Exmaple: 1, 3, 5,7, What would be the 100th term? IF adding 2 to each would the formula be n+2? How to calculate 100th term?
May 9, 2010

math
A person writing a book numbered the pages consecutively starting with 1 and had written 4553 digits. how many pages had she numbered?
May 7, 2010

WRITING(POEMS)
IS BUTTERYNESS SPELLED LIKE THIS BECAUSE SPELL CHECK IS NOT PICKING IT UP .
May 5, 2010

Math
1/6 of 18 =3 so shirley has 3 quarters =75 cents 1/3 of 18=6 so shirley has 6 dimes =60 cents and 1/2 of 18=9 so shirley has 9 nickels= 45 cents 75+60+45=180 cents
May 3, 2010

physics
"An adiabatic process is a process in which no heat is transferred. This can happen if the process happens so quickly that there is no time to transfer heat, or if the system is very well insulated from its surroundings. " im not sure what the question means...either...
May 3, 2010

algebra II-URGENT
P=2l+2w 270=2(w+25)+2w 270=2w+50+2w 220=4w 55=w so l=w+25 =55+25 =80 Check P=2l+2w 270=2(80)+2(55) 270=160+110 270=270
May 3, 2010

Math
Im not sure by your equation why you are to follow that process, but if you are to first square the two numbers then you get rid of the -ve ie: 567.2^2 and (-459.6)^2 i hope this helps
May 3, 2010

Algebra II
85=(88+83+75+80+x)/5 85(5)=88+83+75+80+x 425-326=x 99=x
May 3, 2010

algebra
-8x-3y=2 -3y=2-8x y=(8/3)x+2 so the slope of the given line is 8/3 and since the line is parallel, it will have the same slope. now we can use the given point to solve for b y=mx+b y=(8/3)x+b -4=(8/3)(6)+b 12=b
May 2, 2010

calc
the tangent line to the graph of y=sin x at the point (2pi/3, (radical 3)/2) crosses the sine graph at the point where x=?
May 2, 2010

Math
m=y2-y1/x2-x1 =(-3)-(-6)/1-(-5) =3/6 =1/2 y=mx+b y=1/2x+b now use either of the points to solve for b -3=1/2(1)+b -3-1/2=b 2.5=b so y=0.5x+2.5
May 2, 2010

math
The volume of a pyramid is V=1/3Bh where B is the area of the base and h the height from the base to the apex. This works for any location of the apex, provided that h is measured as the perpendicular distance from the plane which contains the base. so yes, this statement is ...
May 2, 2010

Math
Divide and Simplify: y^2-25/7 divided by 7y+35/49
May 2, 2010

Math
Divide and Simplify: y^2-25/7 divided by 7y+35/49
May 2, 2010

Math
Multiply and Simplify: Can you please show me the steps on how you get the answer. Thank You 2/4n+6 times n^2+2n-3/n+1
May 2, 2010

MATH
can someone explain how an quadratic equation with factoring and give an example,PLEASE!
May 1, 2010

MATH
can someone explain how an quadratic equation with factoring and give an example,PLEASE!
May 1, 2010

Food Chemistry
Calculate the amounts and pH values for preparing the following acetic acid/acetate buffer solution. 1.) In the first step, If you plan to prepare a 2.00 M sodium acetate in 200.0 mL distilled water, how many grams of sodium acetate should be added in water? 2.) B. In the 2nd ...
April 29, 2010

Physics
You meet a person with prescription glasses of +1.74 dpt. What is the near point of this person? Express the result as a positive number! Hint: the near point of a healthy person is 25 cm. An object placed at this distance will form an image at the near point of the person. i ...
April 28, 2010

physics
You meet a person with prescription glasses of +1.74 dpt. What is the near point of this person? Express the result as a positive number! Hint: the near point of a healthy person is 25 cm. An object placed at this distance will form an image at the near point of the person. 1....
April 27, 2010

physics
A light ray strikes a flat, L = 1.6 cm thick block (depth) of glass of refractive index 1.49 at an angle of 30 with the normal. Calculate the lateral shift of the light ray, d. there is a digram showing the light ray continuing at the same angle (30* to normal) until it exits ...
April 27, 2010

physics
Two parallel wires carry currents I1=100A and I2 (they run in the same direction). The top wire is held in position; the bottom wire is prevented from moving sideways but can slide up and down without friction. if the wires have a mass of 10g/meter of length, calculate I2 such...
April 24, 2010

Math
If spiner has 3 equal sections of yellow, blue and green and another has equal sections of yellow, blue, green and red and you spin both spinners at the same time what is the probabiliy of getting 2 colors that are the same?
April 22, 2010

Trigonometry
How do I find the value of sin(a-b) if tana=4/3, cotb=5/12, 0<a<90, and 0<b<90?
April 15, 2010

Math Analysis
Oh wow that is simple. Thank you so much for your help.
April 15, 2010

Math Analysis
How do I simpllify 1-sin^2x/1-cos^2x?
April 15, 2010

Math analysis
thank you for your help
April 15, 2010

Math analysis
How do I simplify cscx-cotxcosx?
April 15, 2010

math
Can you help me solve this solving quadratic equation.x^2-x-1=0
April 15, 2010

physics
A thin cylinder of copper has a mass m=50g and is 1 meter long. what is the minimum current that has to flow through the cylinder for it to levitate in a magnetic field of 0.1T. would i use B=uI/2pi(d) im confused about what d is and how the mass relates to this...
April 15, 2010

math check
Peform each indicated operation and simplify. Can you please check my answers. Thank you. A)(x^2+2x-3)+ (2x^2-x+1) Answer: 3x^2+x-2 B) (-x^3+2x^2-5)+(x^2-x+6) Answer:-x^3+3x^2-x+1 C) (3y^2-x+7)-(y^2-2x+3) Answer:4y^2-3x+10 D)(2x^2-xy+y^2)-(-3x^2+xy+y^2) Can you help me with ...
April 14, 2010

Math Check
Srry the problem for a is suppose to be 2x(x^2-3x+2) this is my answer 2x^3-6x^2+4x
April 14, 2010

Math Check
All the directions say for these three problems is multiply and simplify. Are my answers correct? Thank you A)(x^2+2x-3)+(2x^2-x+1) Answer: 2x^3-6x^2+4x B)(x+1)(2x-1) Answer: 3x-1 C)(x-2)(x^2+2x-3) Answer: x^3-7x+6
April 14, 2010

Physics
You often see birds resting on power lines that carry currents of 50A. the copper wire on which the bird stands has a radius of 1.1cm. assuming the birds feet are 4.0 cm apart, calculate the potential difference across its body... -------- V=IR R=pL/A I=50A L=4.0cm p=from ...
April 14, 2010

calculus
the limit from n->infinity of the summation of [2+(3/n)k]^2(3/n) when k=1
April 13, 2010

chemistry
a 500.0 g sample of h2o2 conatins 31.50% h2o2 by mass find the mass of water in the solution
April 12, 2010

math
I'm doing solving quadratic equations.I need help with couple of problems. k(k+5)=0,4r^2=100
April 7, 2010

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