Tuesday
June 28, 2016

Posts by Sophia

Total # Posts: 214

physics
What are the maximum values of the following when an incandescent 55-W light bulb (at 110 V) is connected to a wall plug labeled 110 V?
August 3, 2011

comm215
please help me correct my essay. the topic of the essay is:"Why overcrowding of school are causing teacher's to lose their jobs overcrowding? and how teacher layoffs are the result of overcrowding." below is a copy of the essay i wrote... One main concern both ...
August 1, 2011

comm215
it does not necessarily have to be facts, the answer can be based on my own opinion. I just need something to get me going.
August 1, 2011

comm215
I have to write a 300-400 words essay on the following questions: Why overcrowding of school are causing teacher's to lose their jobs? -how is teacher layoffs the result of overcrowding? Please help.
August 1, 2011

comm215
-Why overcrowding of school are causing teacher's to lose their jobs? -how is teacher layoffs the result of overcrowding?
August 1, 2011

MATH
WHAT IS THE UNPAID BALANCE AT THE END OF 1O YEARS OF A 250,000 LOAN WITH A INTERESRT RATE OF 6% THAT COMPOUNDS MONTHLY?
May 9, 2011

science
what is the height of a rock wall that is casting a 10ft shadow if a 6 ft bird watcher is casting a 14 ft shawdow
May 8, 2011

Pre-Algebra
What is a-3/5=1/5 ?
April 25, 2011

English
He took the test yesterday is it adverb or adjectives
April 1, 2011

Algebra
Laura can use the equation of: * 1 yard = 3 feet * 12 inches = 1 foot Figure out how many inches in a yard (36 inches = 1 yard) and then you do 36 x 20 and get your answer. Your answer will be 720 inches in 20 yards.
March 10, 2011

Organic Chemistry
If fructose, glucose, and sucrose are the only carbohydrates in honey, how could you use Benedict's reagent to determine the number of moles of sucrose in a 1.0g sample of honey?
March 8, 2011

Physics
Which would burn the most 100 g of water at 100 degrees C or 100 g of steam at 100 degrees C?
February 20, 2011

Physics
About how much pressure do the feet of a 6000-kg elephant exert on the ground? Assume each foot has area of 0.10 square meters.
February 20, 2011

Physics
What is the mass of the air in a room that has dimensions of 10m x 30m x 4m?
February 20, 2011

Physics
How many calories are released when 3 grams of 100º C steam turns to 0º C ice
February 20, 2011

science
6. identify the action-reaction pairs of forces for the following situations: (a) you step off a curb. (b) you pat your tutor on the back (c) a wave hits a rocky shore.
February 3, 2011

algebra
3x^3-2x^2y-8xy^2
February 2, 2011

3rd grade math hw help!
1polygos 1line: m w l
January 31, 2011

accounting
Canine Company produces and sells dog treats for discriminating pet owners. The unit selling price is $10, unit variable costs are $7, and total fixed costs are $3,300. What are breakeven sales?
December 19, 2010

Math
Factor 24 into primes.
November 17, 2010

Chemistry
“1.25 g of crushed limestone was added to 50.0 cm3 of 1.00 mol dm-3 hydrochloric acid (an excess). The mixture was left until all bubbling stopped and was then made up carefully to 250 cm3 with pure water. A 25.0 cm3 sample of this was pipetted into a conical flask and ...
November 10, 2010

math
You multiply pounds into ounces.
November 7, 2010

5th grade
How do you write a mixed number as a decimal such as 1/2 and the whole number 3? Also 3/4 and the whole number 4. Also 1/5 and the whole number 7. Thank you who will may help me!:)
November 1, 2010

english 7th grade
we:subject felt:action verb overwhelmed:do
October 5, 2010

English
what are some good acrostic poems about america
September 20, 2010

Daily Language Review
use context clues to determine the meaning of the boled words below
September 3, 2010

science
Need to use hypothesis in a sentence and draw a picture relating to it. Was Ben Franklins flying a kite a hypothesis or a theory?
September 2, 2010

7th grade leadership
terribly sorry....
August 30, 2010

7th grade leadership
ANSWER THIS QUICK BY TONIGHT!
August 30, 2010

7th grade leadership
This homeschooling group expects you to work harder than a college student. I need 5 subsidiary questions on "How is carrying capacity related to food supply" (you can say agriculture for the food supply) The teacher expects me to get these questions quickly and i&#...
August 30, 2010

math
20
August 26, 2010

childcare
My answer is C. locomotor reflexes
August 18, 2010

Statistics
quantitative
June 24, 2010

english
why did the mayor decide not to teach his wife how to drive in the novel the color purple?
June 4, 2010

9th grade algebra
daniels print shop purchased a new printer for $35,000. Each year it depreciated at a rate of 5%. What will its approximate value be at the end of the fourth year?
May 4, 2010

Physics
Hi, The resistance of each resistor in a series-parallel circuit was given and we measured the current and voltage across each resistor. Now, I have to find the theoretical values for I1, I2, etc. and V1, V2, V3, etc., using Kirchhoff's law and the known resistance values ...
February 28, 2010

math
how to solve a graph plot
January 28, 2010

Social Studies
What were the 4 dynasties of Ancient China ? Please give me information on each one regarding government, social hierarchy, religion and accomplishments.
January 24, 2010

maths
what is 200000 divided by 439?
January 17, 2010

maths
what is the mean weight of these bags: 2kg,5kg,6kg,11kg,7kg amd 5kg ?
January 17, 2010

English III
Paine beleives that god will suport the colonies' cause because the colonists?
December 12, 2009

Math
1 hour and 35 minutes or 95 minutes
November 12, 2009

Math
1 hour and 35 minutes
November 12, 2009

Math
here is the question: Freida must take a 4-hour exam containing 200 questions, 50 of which are math. Twice as much time should be allowed for each math ques as for each other type of question. What is the total # of minutes she should allow for the math question?
November 12, 2009

history
THANK YOU SO MUCH
November 8, 2009

history
Oh i did but it doesnt say a specific date, it just says 6,000 years ago and 1940 it came to america.
November 8, 2009

history
oh but like where? to egypt? and when? like what BC/AD
November 8, 2009

history
Garlic- To where did this food product spread from its point of origin? Be sure to include time periods. HELP!! I CANT FIND ANYWHERE
November 8, 2009

math
Put into slope intercept form: (2,5) m=3 I have a quiz tomorow, and i need to make sure im doing the steps right, so then do you do..: ? 2=15+b -13=b y=3x-13 ???
November 8, 2009

math
The value of a car decreases at a constant rate as it grows older. When the car is 2 years old, it is worth $23,000. When the car is 5 years old it is worth $15,500. Write and equation relating y (value of the car $) to x (age of car). Is it y-23,000=-2500(2)-5 ??
November 7, 2009

5th grade
matt ran 1/5 mile less on monday than on tuesday. he ran 1/2 mile less on wednesday than he did on monday. he ran 7/10 mile more on friday than on wednesday. if matt ran 4/5 mile on friday, how far did he run on tuesday? stumped, please help!
November 6, 2009

math
What are the slope and y-intercept of the graph of the following equation? 1/3x=1/2(y+4) So I used slope intercept formula and rearranged it to be 1/2y=-1/3x+2 then I isolated y by multiplying by the reciprocal and got y=-2/3x+4 is that right?? My friend said its +4!
November 3, 2009

6th grade Reading
I dont know too BYE BYE BYE BYE BYE 2009 PERSON BYE BYE
October 7, 2009

math
so murder perentage is .94% and 3.4 degree of the circle. So when doing the pie graph I put the percentage on the pie graph?
September 19, 2009

math
alcohol 13% Car Acc. 19% suicides 25% Tobacco 300% Are these right?
September 19, 2009

math
is this correct for murders? (510/54120)*360=3.4
September 19, 2009

math
I have to put these estimates on a circle graph. These are estimated deaths in canada in 1996. Do I add them all up first then divide them by the answer? murders 510 alchcol 1900 car accidents 2900 suicides-3900 Tobacco 45,000
September 19, 2009

statistics
A Survey.
August 29, 2009

World History
List two ways the Atlantic Slave trade affected Africa.
July 26, 2009

social studies
how do you calculate for the local time in Cairo, Beijing, Sydney, Washington DC, thailand, los angeles, new delhi,vancouver and moscow if the data given is London(GMT) 5:00pm monday.
July 16, 2009

music
what is meter in music and what are the kinds of meter?
July 8, 2009

Biology
Good afternoon, Could you help me find environmental factors that would influence biodiversity. Thanks for your time.
May 19, 2009

To Sophia
I apologize, i only posted my question once. I think something was wrong with my computer. No, i did not do this before, this is the first time i've used this site. Sophia.
May 18, 2009

Biology
Hi, Could you help me find information on at least 5 organizations or efforts on how humans are trying to combat the loss of biodiversity. Thanks.
May 18, 2009

3rd grade/math
i got 100 % in maths
April 18, 2009

4th grade
How does a solar greenhouse work?
March 17, 2009

Science
What is a solar greenhouse?
March 17, 2009

Career Information Answer
A television repair man is somebody who... Gets The Picture A taxidermist is somebody who... Can save your hide A tree surgeon is somebody who... Will go out on a limb I hop this helped you! :)
March 8, 2009

Career Information
Stuck on career information...
March 8, 2009

physics
The time is 14.3s, btw..
January 25, 2009

physics
An airplane traveling 1001 m above the ocean at 125km/h is going to drop a box of supplies to shipwrecked victims below. What is the horizontal distance between the plane and the victims when the box is dropped?
January 25, 2009

physics
A pitched ball is hit by a batter at a 45-degree angle and just clears the outfield fence, 98 m away. If the fence is at the same height as the pitch, find the velocity of the ball when it left the bat. Ignore air resistance.
January 25, 2009

4th grade social studies
they got freedom
January 21, 2009

Business systems
Biases may play a major role in the success/failure of an IT project because most IT projects are connected in someway with making the technology more user friendly. The users of these projects are becoming more diverse in reference to age, race, sexual orientation, etc. ...
December 11, 2008

Algebra
What is the domain of f(t)=5.5e^t Please explain how you came up with your answer
December 8, 2008

Algebra
Can someone please tell me what the domain of the following equation is? Please explain how you got that answer. g(x)=5^x
December 7, 2008

English
Yes. It is the same statement.
December 7, 2008

science
Both of these thermometers were designed to rise and fall as they expand or contract with changes in temperature. One major difference is that alcohol thermometers will only rise when on site with the temperature to be read, where as a mercury thermometer needs to be shaken if...
December 7, 2008

Algebra
Please state the DOMAIN of the following, and explain how you obtained that answer please. g(x)=5^x
December 5, 2008

AP Chem
How did you get #34?
November 12, 2008

Math riddle PIZZAZZ Worksheet
What happened to the grocer who stacked all of the liquid detergent no the high shelf? plzzz help
October 30, 2008

Spelling
dog cat
September 9, 2008

7th grade
how do you write an equation for the number of gallons in 128 fluid ounces?
September 5, 2008

Algebra
and if the problem had been: 21a-3 ------ 7a-6 then it would be: 3a-1 ----- a-2
May 19, 2008

physics
An ideal gas at 18.5°C and a pressure of 1.54 105 Pa occupies a volume of 2.10 m3. (a) How many moles of gas are present? moles (b) If the volume is raised to 5.30 m3 and the temperature raised to 31.0°C, what will be the pressure of the gas? Pa
April 26, 2008

physics
A mass of 135 g of an element is known to contain 30.1 1023 atoms. What is the element? hydrogen oxyden aluminum carbon Is it aluminum?
April 26, 2008

SCIENCE
PISTILS AND STAMENS REACH MATURITY AT DIFFERENT TIMES, WHY WOULD THIS BE AN ADVANTAGE TO THE PLANT?
April 1, 2008

us history
when fdr served 4 terms, which president's record did he break?
February 28, 2008

Math
4x + 10 -3x =2-3
February 26, 2008

Chemistry
The solubility of CaCO3 at 25 degrees celsius is 6.90*10-5M. The reaction is CaCO3(s)-->Ca 2+(aq) + CO3 2-(aq) <-- a. Calculate the concentration of Ca +2 and CO3 -2 at equilibrium. b. Calculate the equilibrium constant for the dissolution reaction. (also known as the ...
February 13, 2008

college math
how to do set notation, for example
January 28, 2008

social studies
How did Alexander the Great unite Persian and greek cultures and why?
December 5, 2007

statistics
oops
October 25, 2007

statistics
Given the ensuing well drilling data, answer the following. [Reference: #4.78, page 172] • .30 (30%) probability of a productive well absent test information • Pre-drilling ballistics test ‘s affirmative result correctly predicts a productive well .70 of the ...
October 25, 2007

statistics
Given a distribution with mean X and standard deviation S, answer the following. 4.1 Determine the mean and standard deviation if constant K is added to each observation 4.2 Determine the mean and standard deviation if constant K is multiplied by each observation 4.3 Assuming ...
October 25, 2007

statistics
oops, thank you drwls
October 25, 2007

statistics
Given the ensuing well drilling data, answer the following. • .30 (30%) probability of a productive well absent test information • Pre-drilling ballistics test ‘s affirmative result correctly predicts a productive well .70 of the time • Pre-drilling ...
October 25, 2007

statistics
Compute the expected return if two mega lottery tickets are sold for $6, if the winning ticket is drawn from five (5) million tickets sold, and if the winner receives $10 million.
October 25, 2007

statistics
3. Prove (not show) that following two methods, long and short respectively, to compute the population variance yield the same result. ? (x i - ?) 2 / n, where i = 1, n ? (x i 2 - (? x i) 2) / n, where i = 1, n
October 25, 2007

algebra
a times a number - 5 = b so, add 5 to both sides ax-5 = b +5 +5 so now you have ax = b+5 divide both by x and you get a so ... a=(b+5)/x
October 16, 2007

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