Saturday
September 5, 2015

Posts by raven


Total # Posts: 141

Physics
A cup of mass m, placed on the edge of a table of height h, has potential energy mgh, where g is the acceleration due to gravity. Someone slams a door, causing the cup to fall to the floor. If h = 100 cm, what is the approximate speed of the cup when it hits the floor? (Note: ...
August 2, 2010

Math157
Find the range of the data set. {14, 28, 63, 41, 50, 70} A)56 B)84 C)41 D)42
June 6, 2010

Math157
So will it be none
June 6, 2010

Math157
Find the mode for the given data. { 1, 3, 4, 10, 14} A)4 B)6.4 C)3 D)none
June 6, 2010

Math157
6.5 ... thanks :)
June 6, 2010

Math157
Find the mean of the data. { 4, 5, 7, 10} Round to the nearest tenth A)6.5 B)6 C)5.3 D)6
June 6, 2010

Vector
The two lines with the equation r=(1,2,-44)+ t(k+1, 3k+1,k-3) and x=2-3s, y=1-10s, z=3-5s, are given. a) determine the vaulue for K when the lines are paralel b) determine the value of K when the lines are perpendictular
May 30, 2010

Vector
Determine the perimeter and area of the tirangle whose vertices are the origin and the x and y intercepts of the line (x-6)/3 = (y+8)/-2
May 30, 2010

English
What is an antithesis? and I can i create one if my thesis is "Using the characters in these literary pieces both authors assert that humans are naturally inclined to exhibit dark or evil side". My 3 arguments are that metamorphises, quest for the surreal and immoral...
May 24, 2010

Chemistry
What mass of copper solid, initially at 25oC,should be added to 100 g of steam, initially at100oC, if we want exactly half of the steam to condense? The specific heat of copper is 0.385 J g-1 oC-1. For water, the heat of vaporization is 2257 J g−1.
May 19, 2010

Math Help
Thanks so much that tells my answer ;)
May 18, 2010

Math Help
Name the property of addition that has been applied. 5 + 8 = 8 + 5 A) Closure B) Commutative C) Associative D) Identity
May 18, 2010

Math Help
Never Mind My Bad :)
April 16, 2010

Math Help
Perform the calculation mentally 1. 90 + 247 + 253 + 110 2. 799 - 117 3. 25 × 25 × 8
April 16, 2010

MATH
The squares of an infinite chessboard are numbered as follows: in the first row and first column we put 0, and then in every other square we put the smallest non-negative integer that does not appear anywhere below it in the same column or anywhere to the left of it in the ...
April 2, 2010

Math (FST Exponential & Logarithm)
What is the range of y= -(2)^(x-3)
March 17, 2010

2nd grade
The vertices are the corners. How many corners does a rectangle have?
February 23, 2010

Math
The height of a triangle with base b and area A is given by the formula h = 2a/b. What is the height of a triangle with area 26 cm2 and base 8 cm?
February 10, 2010

math
5/10-radicl6
February 5, 2010

math
3/4+ã2
February 5, 2010

math
5/10-ã6
February 5, 2010

math
5radical 32 times 2radical 45
February 5, 2010

math
what (5 -radical 2)(5+radical 2)
February 5, 2010

FINANCE
Cash conversion cycle American Products is concerned about managing cash efficiently. On the average, inventories have an age of 90 days, and accounts receivable are collected in 60 days. Accounts payable are paid approximately 30 days after they arise. The firm has annual ...
October 19, 2009

physics
If a person travels 40m due east, turns and travels 30m due west, what is the distance traveled?
October 14, 2009

Science
Q: do tomato plants grow better with fertilizer Hypothesis: I think if i give the tomatoes fertilizer they will grow taller Contolled Experiment 1. Control group list factors 2. Experimental Independant Variables 3. DATA COLLECTION
September 8, 2009

Math
not quite. in this case n=8 k=(x+1)
January 26, 2009

Math
What is the coefficient of the fifth term in the expansion of (x + 1)^8?
January 26, 2009

Anatomy
blood is this type of tissue
January 19, 2009

science
what are acids and bases? neutralizing an acid with a base produces what?
December 14, 2008

science
what are acids and baases? what do you get if you neutralize an acie?
December 14, 2008

algebra and trigonometry
find the dimensions of a rectangle having perimeter 14m and diagonal of length 5m
July 24, 2008

chemistry
BCA stands for Before Change After
March 2, 2008

science
im doing a project and i need to find the effects that higher elevation have on objects
December 10, 2007

mape
about the inviroment where you live
September 30, 2007

Cultural Diversity
Can you help me with this? Would (A) or (D)be the best answer? A teacher would be wise to study other cultures and their beliefs since: A. Understanding cultural differences allows a teacher insight into the family's expectations of the children. B. parents will be ...
September 6, 2007

Cultural Diversity
Is this an example of sequential billingualism or simultaneous billingualism? (I'm thinking it's an example of sequential billingualism.) Adrienne is four years old. Her mother is French,and her father is American. They both have spoken their native language to ...
September 5, 2007

Cultural Diversity
Will someone please check my answer to make sure I have chosen the most appropriate choice. 1. Gabriella speaks Spanish at home with her family and friends. She attends public school where she is learning some English and is instructed in English for all of the subjects. ...
September 4, 2007

advertising
although a democracy is based on freedom of expression, most people recognize the need to allow the government to excercise control over such things as false and misleading advertisements or advertisements of illegal products.Is the banning of cigarette advertising on ...
April 14, 2007

HOMEWORK
PERSUASIVE WRITING ON TRANSPORTATION ARE TRAINS BETTER THAN THE BUSES? I can't wait to read what you wrote and help you with it. Sounds like a good topic. Here in Taiwan, we can get around the country in either a train or a bus fairly inexpensively and conveniently. I ...
March 18, 2007

Science
How are elements and compounds alike? Both consist of small particles called atoms.
January 3, 2007

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