Saturday
August 30, 2014

Posts by Lauren


Total # Posts: 1,502

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

Physics
A particle of mass m moving at 5 m/s in the positive x direction makes a glancing elastic collision with a particle of mass 2m that is at rest before the collision. After the collision, m moves off at an angle of 45 degrees to the x axis and 2m moves off at 60 degrees to the x...
April 6, 2010

computers
Explain what the Easter eggs in microsoft are? They are like hidden messages right? Why do they put them in there? Can they still put them in there? Why would they want to do put hidden messagesin their programs. Where can I find out more inmformation?
April 5, 2010

social studies
how is the iroquois confederacy diff. from the colonial government?
March 25, 2010

social studies
comapare and contrast the Irouquios confederacy and the colonial government.
March 25, 2010

Math
A set of scores with a normal distribution has a mean of 32 and a standard deviation of 3.7. Which score could be expected to occur the least often?
March 25, 2010

6th grade
what happened to Rome after the Punic Wars?
March 24, 2010

algebra
-4x^2-18x+10
March 23, 2010

math
Can you help with three problems 1)2x^2+7x+3 2)6x^2+5x-4 3)4x^2+12x+9 I have to factor this problems.Please help
March 17, 2010

math
Erin takes a total of 5 hours in her boat to travel a distance upriver and return downriver the same distance. If the time traveling upriver is twice the time traveling downriver, how many hours does each trip take? How do I put this into two equation and use the matrix to ...
March 16, 2010

chemistry
How many grams of CH4 are needed to react with 160.0 grams of Br2
March 15, 2010

physics
Gold ions (Au+) are accelerate to high speeds using electric fields. These ions are then passed through a region where uniform electric E and magnetic B fields are present. If the ions are traveling to the right, which configuration of E and B will serve as a velocity selector...
March 13, 2010

algebra
hi I need help with it!!!! HELP!!!!!
March 13, 2010

math
x^2-8x+16
March 12, 2010

physics
thank you!
March 7, 2010

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Search
Members