Monday
September 1, 2014

Posts by sophia


Total # Posts: 149

math
a set of five positive integers has a mean median and range of 7 how many distant sets whose members are listed from least to greatest could have these properties
July 2, 2014

Psychology
Describe the chi-square goodness-of-fit test.
June 8, 2014

Psychology
Can you give a real world example of when you would use a chi-square test of independence and a chi-square goodness of fit?
June 8, 2014

Math 6
ohhhhhhh 66 choices!!! Thanks!
May 10, 2014

Math 6
n ice cream stand sells chocolate, vanilla, and strawberry ice cream as well as a choice of 22 toppings. How many choices are there for a single flavor of ice cream with one topping? How do I do this? is it 46 choices? Am I right?
May 10, 2014

physics
Initial velocity not given. Assuiming that we need to solve for it. Yes, the ball is thrown 60 degrees above the horizontal. Thank you.
May 10, 2014

physics
If I am standing on top of a building that is 350 ft. high and I throw a baseball off the roof at angle of 60 degrees, determine how long the ball is in the air as well as how far it lands from the building.
May 10, 2014

ela
in the poem lineage what does they mean
March 2, 2014

math
Len is baking a square cake for his friend wedding. When served to the guests, the cake will be cut into square pieces 1 inch on the side. The cake should be large enough so that 121 guests get one piece. How long should each side of the cake be?
September 14, 2013

math
A portrait of George Washington is square and has an area of 169 square centimeters. How long is each side of the portrait?
September 14, 2013

physics
A car accelerates uniformly from rest to a speed of 21.5 km/h in 6.9 s. Find the distance it travels during this time. Answer in units of m
September 12, 2013

statistics
8.5
June 26, 2013

math
On May 23, Samantha Best borrowed $4,000 from the Tri City Credit Union at 13% for 160 days. The credit union uses the exact interest method. What was the amount of interest on the loan?
June 18, 2013

4 grade math
10
June 17, 2013

language
감사합니다
May 31, 2013

Algebra
The profit for a company that sells chairs is defined by P= -5x^2+200x+200. Where P is profit and x is the number of chairs produced. Find the number of chairs "x" that will produce the maximum profit "P".
May 19, 2013

Algebra
An object is fired vertically upward with an initial speed of 68.6 meters/second. After t seconds, the height is shown by y= -4.9t^2+68.6t meters. Given that this object has an initial speed of 68.6 m/s, what is the maximum height it will reach? How long did it take the rocket...
May 19, 2013

physics
. A block weighing 50 lbs is pulled horizontally w/ constant speed, if the coefficient friction between the surfaces in contact is 0.25, how much heat is generated by friction if the body moves a distance of 40 ft
March 7, 2013

math
how many grams go in 2,340 kilograms
February 19, 2013

Math
After 14 boys leave the concert, the ratio of boys to girls is 3 to 10. If there are p girls at the concert, write an algebraic expression for the number of boys at the beginning of the concert in terms of p
January 24, 2013

math
How do I estimate with adding
December 12, 2012

PHYSICS URGENT! PLEASE FRICTION CASE 2
A 13 kg box is at rest on a level floor. The coefficient of static friction µS = 0.9 and the coefficient of kinetic friction µK = 0.8. Audrey is applying a 140 N push at an angle (=20°) as shown in Figure 1. C) What is the magnitude of FNormal on box from Earth?
December 4, 2012

Physics! Case II
(45N(cos25°))/25N= 1.63m/s^2
December 3, 2012

Physics! Case II
A woman at an airport is pulling her 25.0 kg by a strap at an angle of 25 ° above the horizontal as shown in figure Fig. P5.44. She pulls on the strap with a 45.0 N force, and friction is negligible. What is the acceleration of the suitcase? ___m/s^2
December 3, 2012

Chemistry
What happens when NaCl(aq) and AgNO2(aq) are mixed? Also, will the mass increase, decrease, or stay the same after the mixing? Why? Thanks!
November 28, 2012

College International Affairs
How did the US affect the dissolution of the Soviet Union? What was the US/ Soviet Union relationship at the time period?
November 26, 2012

Precalc
rewrite sinxtanx/(cosx+1) as an expression that doesn't involve a fraction.
October 23, 2012

Precalc
Rewrite cot(^2)xcosx/(cscx-1) as an expression that doesn't involve a fraction.
October 23, 2012

Information Technology
Develop an algorithm, flow chart and pseudocode that accept as input three unit test scores and a project score for seven students. The algorithm, flow chart and pseudocode should accept seven examination scores. The students's overall score comprised of their weighted mid...
October 23, 2012

Math
cscx/1-sinx
October 23, 2012

Precalculus
cotx-cos^(3)xcscx
October 22, 2012

math
3x=10+13x
August 21, 2012

Physics
How exactly are you supposed to use the second equation to solve for Vb' if you don't know Va'^2?
July 9, 2012

Math
The 4ft by 6ft has a solid red rectangular area that covers 1/3 of the flag. What could be the dimensions of this red area?
March 8, 2012

Science
During beta-particle emission, a neutron splits into a proton and an electron two protons two electrons two neutrons
March 6, 2012

Spanish-8th grade
I had to use the past tense of either poder or saber to write each sentence 1. tú y yo/mirar la televisión Tú y yo pudimos mirar la televisión. 2. nosotros/viajar Nosostros pudimos viajar. 3. los muchachos/jugar al fútbol Los muchachos ...
December 30, 2011

medical coding
person has upper respiratory infection w bilateral acute conjunctivitis .. whAT WOULD the code be?
December 20, 2011

Math
Gracias, Mi amigos
August 21, 2011

Math
Find the value of x or y so that the line passing through the two points has the given slope. (-1,4) (X,3); M=2/3
August 21, 2011

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

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

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

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