Saturday
July 4, 2015

Posts by sofia


Total # Posts: 120

Social Studies
This Canadian landform covers about half of the country. Need help? confused.
June 14, 2015

LA
which part?
June 11, 2015

LA
all i know is the Sal tells about Phoebe's story during her trip
June 11, 2015

LA
i have read the book but i just need help
June 11, 2015

LA
oh well has anyone else had read it
June 11, 2015

LA
is*
June 11, 2015

LA
has anyone read the book Walk Two Moons because i need help? Does anyone know what id the difference between Phoebe's story and Sal's story?
June 11, 2015

Math
i don't really know i just did it in my head and i got that answer i do not know really how
June 10, 2015

Math
oh wow is that you answer
June 10, 2015

Math
i did the math in my head. Why? what is your answer
June 10, 2015

Math
6%
June 10, 2015

social studies
what do you mean where did i get it
June 10, 2015

social studies
my answer was causes of World War II were Italian fascism in the 1920s
June 10, 2015

social studies
i need help. I do not know what caused the world war II. Can you guys help me?
June 10, 2015

Chemistry
You need a system of H3PO4 with K2HPO4 buffer, adjust the pH with H3PO4. This buffer has 7.2 as one of the pKa, so has a useful range of 6.2 to 8.2. Hope this helps
June 9, 2015

6th Grade World History
right and to me it is not c it might be A maybe
June 9, 2015

6th Grade World History
what i would say is that the Rome lost hispania to carthage
June 9, 2015

social studies
well any ways thank you all for help
June 9, 2015

social studies
yes
June 9, 2015

social studies
are you a student or a tutor helping us all
June 9, 2015

social studies
okay i am still srry and thank you for taking your time to help me thxs
June 9, 2015

social studies
no i read it is just that question came up to mind srry did not mean to upset you
June 9, 2015

social studies
and i heard the the Soviet Union and the U.S.A were the cause of the cold war
June 9, 2015

social studies
oh ok so the cold war collapsed because of the Soviet union
June 9, 2015

social studies
and there is another question about this what is the Soviet union
June 9, 2015

social studies
is this about the Cold war cause that is what it says
June 9, 2015

social studies
do you think that is correct. lack of food and tools
June 9, 2015

social studies
i was wondering if you guys can help me with social studies i really need help What happened to Cuba when the Soviet Union broke up? my answer is they do not have food or tools
June 9, 2015

Walk two moons need help
story*
June 7, 2015

Walk two moons need help
yes i have read it and i was wondering what is the difference between Sal's story and Phoebe's room
June 7, 2015

Walk two moons need help
does anyone here read the book walk two moons because i need help
June 7, 2015

Reading
I forgot to bring my ready common core book for reading. I need to do pages 248 and 249
May 9, 2015

Solid mensturation
Find the area of a sector bounded by a 60 degrees central angle in a circle of radius 6 inches
January 5, 2015

Finance
Sully Corp. currently has an EPS of $2.14, and the benchmark PE ratio for the company is 20. Earnings are expected to grow at 7.5 percent per year. What is the target stock price in 1 year? Assuming that the company pays no dividends, what is the implied return on the company...
October 16, 2014

Math Check
Are my answers right? 1.) Find the remainder (x^3+2x^2+3x+4)/(x+2) My answer: 2 2.) Find the remainder (x-1)/(x^4-3x^2+2x-1) My answer: -1
October 14, 2014

Math
How do you estimate using rounding or compatible numbers like 0.97x312?
October 9, 2014

Pre-Calc
Can someone check this? Thanks! :) Which pair(s) of functions are inverses? There may be more than one correct answer. a.) f(x) = x - 12, g(x) = x + 12 b.) f(x) = 3x, g(x) = 1/3x c.) f(x) = 4x, g(x) = -4x d.) f(x) = 2x + 1, g(x) = 2x - 1 My answer: A & C
September 30, 2014

English
How do I turn this into a really good thesis statement? In the myth " When Grizzlies Walked Upright" explain how the bears lived in relation to each other before and after the introduction of the female into their clan, and explain how both the bears and female ...
September 27, 2014

English
This is for "When Grizzlies Walked Upright" explain? How did the bears lived in relation to each other? How did the bears lived in relation to each other before and after the introduction of the female into their clan How did both the bears and the female contributed...
September 27, 2014

Pre-Calculus
1.) Which equation represents a function? A. y=-2x+1 B. x=y^2-1 C. y^2=1/3x D. None Of These E. x=4 2.) The zeros of a function f are the x-values for which f(x) = 0. True or False?
September 18, 2014

algebra
The velocity of an object fired directly upward is given by the equation V=40-18t, where t is in seconds. when will the velocity be between 22 and 31 feet per second? write and solve a compound inequality and graph the solution on a number line.
September 3, 2014

science
Ethanol can also be manufactured from glucose, C6H12O6. C6H12O6 2CO2 + 2C2H5OH. A solution containing 18 kg of glucose makes only 0.92 kg of ethanol. Calculate the percentage yield of ethanol.
April 13, 2014

math
For the system of linear equations below, use graphing to determine in which quadrant the solution lies. x+2y=-2 -2x+y=14 Quadrant III Quadrant I Quadrant II Quadrant IV
April 12, 2014

math
A salmon has to swim 25 miles upstream. It seems 7 miles each day and drifts 5 miles at night. How many days does it take for the salmon to first reach the 25 mile mark?)
March 30, 2014

physics
A converging lens is 50cm away from the object. if the distance of the image from the object is 120cm and greater than four times the focal length of the lens, what is the focal length of the said lens?
March 8, 2014

chemistry
Calculate the pH for each of the following points in the titration of 50.0 mL of a 1.8 M H3PO3(aq) with 1.8 M KOH(aq). before KOH after addition of 25, 50,75,100 ml KOH
December 8, 2013

spanish
How to write 25,350
December 6, 2013

Math Critical Thinking
8R3 or just 8 juice boxes
October 16, 2013

physics
A student sets up an Atwood machine with a frictionless rope, a 4.5-kg mass, and a 9.5-kg mass. What will be the acceleration of the masses? Use the gravitational acceleration found on Earth: g = 9.8 m/s2.
September 27, 2013

physics
Two masses connected by a rope over a pulley are released, producing the bar graphs below. It took 0.80 seconds for Mass A to reach the top and Mass B to reach the bottom. What was the acceleration of Mass A?
September 23, 2013

Integers (urgent)
I think I'm starting to figure it out....would it be any number above 1? x= 2 so.... 2+1-2= 1 etc.?
September 13, 2013

Integers (urgent)
For what integer values of x is x+1-2 positive?
September 13, 2013

decimals
how is 2.3-20=17.7 reasonable
June 18, 2013

4th grade math
I'm in 4th grade and this helped me thanks :3
April 16, 2013

Math
thankyou but hwo do you get 88cm?
April 9, 2013

Math
a cardbord gift-box has a surface area of 478cm2 and a volume of 570cm3. what are the length,width,and height of the carbox gift-box? I Need Help
April 9, 2013

Physics
Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke, q, and a left in symbolic form. (B = 4q and C = 6.5q. Let the +x-axis be pointing to the right.) F = ...
March 30, 2013

Physics
Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke, q, and a left in symbolic form. (B = 4q and C = 6.5q. Let the +x-axis be pointing to the right.) b|---...
March 30, 2013

math
a motorboat takes 5 hours to travel 45km downstream and then 18 km upstream on a river whose current flow of the rate of 3 km/hr. how fast can the boat travel in still water?
March 6, 2013

chemistry
what is the [OH-] in a solution that contains 0.225g of NaOH in 0.250 L of solution
January 25, 2013

Child development
What is an advantage of a cross-sectional design?
December 26, 2012

Child development
A correlation coefficient can range in value from A. +1.00 to -1.00 B. -1.00 to 0 C. 0 to +1.00 -100 to +100
December 26, 2012

chemistry
Show that a conventional x-ray generator is incapable of generating x-rays of wavelength as low as 10-11m. Do this by determining the identity of the target (in atomic number, Z) which would be needed to generate such x-rays.
December 14, 2012

chemistry
Chemical analysis of a silicon crystal reveals gallium at a level of 3.091×10−8 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Si matrix is negligible, what is the density of free charge carriers (free carriers/cm3) in ...
December 14, 2012

math
. The ones digit is 0. . The hundreds and tens digits are consecutive numbers. . The digits in the thousands period have a sum of 15, with the hundred thousands digit being the greatest of the threes digits and the ten thousands digit being the least. . The amount in the ...
December 10, 2012

Math
Ben has 8 1/2. Pizzas to serve. How many pizza 1/4 pizza sized serving does he have??
December 4, 2012

geometry
Each base of an isosceles triangle measures 42 degrees, 30'. The base is 14.6 meters long. a. Find the length of a leg of the triangle b. Find the altitude of the triangle c. What is the area of the triangle?
October 27, 2012

Math
Thank you so much!
October 15, 2012

Math
A telephone is anchored to the ground by a long cable called a guy wire, at a point 5 meters from the base of the pole, the wire makes an angle of 72.5 degrees with the horizontal. What is the length of the guy wire? HELP ASAP! I forgot how to compute for this (Pythagorean ...
October 15, 2012

math
Once you have isolated h, in this case it would look like -h, multiply the entire equation by -1 to get rid of the - sign on h. So, -1(-h=-13+7)
September 20, 2012

algebra
This is a problem where you just plug in the given value. So, the value they're asking for is 7n, which essentially the same as if they were to ask you, "What is seven times n?" So, therefore when you're given n=7565, you substitute 7565, the value of n into ...
September 20, 2012

Calculus
Consider the function f(x)=(5^x−1)/x. A) Fill in the table values for f(x): x= -0.1, -0.01, -0.001, -0.0001, 0.0001, 0.001, 0.01, 0.1 f(x)= 1.4866, 1.5866, 1.6081, 1.6093, 1.6096, 1.6107, 1.6225, 1.7462 B) Based on the table values, what would you expect the limit of f(x...
September 20, 2012

earth
Go to the online dictionary and type in "Geography." Or better yet, open one.
September 20, 2012

science
It all depends on the basis of question type... If it's mostly calculation: stoichiometry, physical properties, dilution, molarity, and everything in between, I would just practice like you would do your math homework, meaning do practice problems, and check your work. If ...
September 20, 2012

Math
Amaya has 24 inches of ribbon she can glue around the edge of a rectangular gift box lid. if she wants to use all the ribbon without any overlapping, what are the length and width of a gift box lid with the greatest area?
May 3, 2012

1 out of 2
Rewrite as: 3+9i-12+5i Add like terms: -9+14i is your answer.
April 9, 2012

chemistry
which of the following processes is more easily observable for light with a short wavelength? a. the photoelectric effect b. radio transmission c. diffraction d. interference
January 13, 2012

basic family health
discuss the nutrition and health promotion contribution to family health and development
December 31, 2011

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
what is the word you use to tell how you get the macaroni and cheese into a bowl. My mom _______ the macaroni and cheese into my bowl to serve
December 29, 2011

6th grade math
what is the answer FOR MATH HOMEWORK
November 29, 2011

Science
your crrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrraaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaazzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz Andrew
November 2, 2011

management
with example, ilustrate the function of management
October 23, 2011

history
Im writting an essay on the reformation and the renaissance can somebody proofread my essay
September 24, 2011

differential calculus
find the implicit function of x^3+3^y=3xy
August 16, 2011

psyc 106
Thank you so much.
June 16, 2011

psyc 106
A newspaper iditorialist argues that the use of dsm-iv diagnostic labels is destructively antidemocratic, because it enables an elite ccorps of mental health professionals to subtle control the values and life-styles of the rest of the society. i need reason to support this idea
June 16, 2011

Geometry
the side of a regular hexagon is twice the square root of its apothem. find the apothem and side length.
January 12, 2011

Relative velocity
A pet-store supply truck moves at 25.0 m/ north along a highway. Inside, a dog moves at 1.75 m/s at an angle of 35.0 degrees east of north. What is the velocity of the dog relative to the road?
January 9, 2011

science
Using a force of 20 Newton cody pushes a lawnmower 5m. how much work did cody do?
January 6, 2011

science
what is the reason why we can get Appendicittis even if we don't know what is the function of the appendix?
December 15, 2010

science
in the digstive system,what is the defenition or function of th Appendix?
December 15, 2010

7th grade
19-----19-------7-----0 =1
September 29, 2010

1st grade
u should write 3 dogs wanted bones but one of the dog wasmean so only the 2 nice dogs got the bones
September 27, 2010

Math
when a drawing pin falls to the ground, the probability that it lands point up is 0.2. a. Find the probability that a pin does not lend point up. Two drawing pins fall one after the other.
September 23, 2010

Pre-Cal(Please help)
find the lengths of two other sides if the hypotenuse of a 45 degree -45 degree -90 degree triangle is 7. rationalize the denominator
March 23, 2010

social studies
i feel this is horrible!
December 3, 2009

math
how do you graph x>y -2 x+y>1 x<10
September 16, 2009

Chemistry
Thank you for the help : ) I just have 2 questions: Was the percent composition for K2SO4 that I calculated correct? Also, would I convert the 20 g of K2SO4 to moles, and then find the individual moles of each element in that compound? Thanks again for the help!
June 23, 2009

Chemistry
How do you determine the percent composition by mass of a 100 g K2SO4 solution containing a 20-g solute. What is the mole percent composition of the solute, assuming that the solution consists of 100 g water and 20 g of K2S04? For percent composition of K2S04, I got 44.9 % K, ...
June 23, 2009

Chemistry
Write the word and chemical equation for the following: Hexane undegoes complete combustion. I'm not sure at all how to do this one. I know that for compelte combustion, the products have to be H2O + O, but I don't know the formula for Hexane.
May 3, 2009

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