Thursday
December 8, 2016

# Posts by Kelly

Total # Posts: 1,711

math
1 1/2+ p)*2^2=12 what is p?
February 9, 2011

math
example:((5+6)+2)/4=8
February 9, 2011

Physics
In two successive chess moves, a player first moves his queen four squares forward, then moves the queen five steps to the left (from the player’s view). Assume each square is 2.0 cm on a side. Using forward (toward the player’s opponent) as the positive -axis and ...
February 8, 2011

February 3, 2011

calculus
Use the Intermediate Value Theorem to prove that the equation has a solution. Then use a graphing calculator or computer grapher to solve the equation. 2x^3-2x^2-2x+1=0 i am completely lost & have no idea where to start.
February 3, 2011

Earth Science
Divide the following list of words into 2 categories: drumlin, kettle lake, mafic, devonian, asthenosphere, gradient, fossil, topography, plateau, marlble For each category, give it a title (1-2 sentences)
February 2, 2011

hello all, my daughter come home with a math homework "Alphabet Polygons" I have no idea how to use the letters in the alphabet to answer the questions. Please HELP! The questions are as follow: 1) You can make polygons of some of the letters by drawing just one more...
January 31, 2011

Pre Algebra
How do you draw and lable a circle that has an area between 5 and 8 square units?
January 31, 2011

calculus
limit as x approaches 2 where f(x)=5x-5 Find a δ such that | f (x) - 5 | < 0.01 if | x - 2 | < δ. (Give your answer correct to 4 decimal places.) Need helpp!!! I have no idea how to do it. and nobody that can help!!
January 30, 2011

physics2
A Gaussian surface encloses two charges. The total electric flux through the Gaussian surface is 8.3 x 106 N m2/C. If one of the charges is -14.9 micro-Coulombs and the magnitude of the electric force between them is 2.76 Newtons, what is the distance between the charges in ...
January 29, 2011

physics2
Charges are placed on an equilateral triangle (all angles are equal and equal to 60 degrees). The length of each side of the triangle is 5.7 meters. A charge of +7.1 micro-Coulombs is placed at the bottom corner of the triangle and another charge of +7.1 micro-Coulombs is ...
January 29, 2011

physics2
A charge of +q is placed at y = 0 m. Another charge of +2q (twice the other charge) is placed at y = +6.52 meters. Where on the y axis is the total electric field zero?
January 29, 2011

physics2
A charge of -6.5 micro-Coulombs is placed at the origin of a coordinate system. Another charge of -7.6 micro-Coulombs is placed at x = +0.29 m, y = +0.17 m. A third charge of +14 micro-Coulombs is placed at x = -0.29 m, y = 0 m. What is the magnitude of the total electric ...
January 29, 2011

physics2
A uniform electric field of 2.1 x 106 N/C is directed in the positive x direction. A charge of -4.3 micro-Coulombs with a mass of 7.5 kg is initially moving at 18 m/s in the positive x direction before it enters the field. How many seconds does it take before the charge stops?
January 29, 2011

algebra
what is 2z^2
January 27, 2011

ap chem
1)determine the molality for an antifreeze solutions. Kf for water is 1.86 C/m in the experiment we found the freezing point of the antifreeze it was 1.2 C 2) Determine the molar mass. 5.00g of antifreeze/50g of water 3)calculate percent error.
January 24, 2011

calculus
g(t)=2+cos t; [0,pi] Can you help me find the average rate of change of the function over the given interval?
January 20, 2011

Physics
Ignorant of the local custom of offerings strangers outrageous prices and then negotiating down, the clothing maker accepts the initial price 400 tepizes/m^2. The price of this cloth in New York is 120 dollars/yard^2. If the clothing maker bought 500 m^2 of this fabric, how ...
January 18, 2011

Physics
I am driving to Atlanta on the I-85 in my G35 Coupe at 40.0 m/s and I pass a cop. Will I get a ticket? The speed limit is 70.0 mi/h, 1 mile= 1.609 km = 1609 m.
January 18, 2011

math helper plese
2 isosceles triangles have the same height. The slopes of the sides of triangle A are double the slopes of the corresponding sides of triangle B. How do the lengths of their bases compare? A. The base of A is quadruple that of B. The base of A is double that of B. C. The base ...
January 17, 2011

writing
Write a 100-word passage to Susan Anker, the author of the course’s textbook, in which you describe five details from her book that are good and five details about the book that are written well.
January 16, 2011

science
i don't know but i went to google and they don't know. sorry ask a older broter or older family member.
January 11, 2011

Math
My son's math homework asks him to find each product by factoring the tens. 6 x 2, 6 x 20 and 60 x 20. There is no explaination in the book..can you help?
January 4, 2011

Algebra 1
Mars has a mass of 6.5 x 10 to the power of 23 kg and the sun has a mass of 1.99 x 10 to the power of30 kg. How many orders of magnitude greater than Mars’s mass is the sun’s mass
January 4, 2011

physics
What is the mass of a marble cylinder with a diameter of .42m and a length of 1.25m?
January 4, 2011

algebra
X = 93 360-86-93-88
January 4, 2011

pre algebra
X = -3,-2,-1,0,1,2,3,4,5 OR ALL OF THE WHOLE NUMBERS GREATER THAN -3 BUT LESS THAN 6
January 4, 2011

physics
(a) What is the gravitational potential energy of a two-particle system with masses 5.4 kg and 5.0 kg, if they are separated by 1.3 m? If you triple the separation between the particles, how much work is done (b) by the gravitational force between the particles and (c) by you...
January 3, 2011

Physics
Hunting a black hole. Observations of the light from a certain star indicate that it is part of a binary (two-star) system. This visible star has orbital speed v = 270 km/s, orbital period T = 1.6 days, and approximate mass m1 = 6.0Ms, where Ms is the Sun's mass, 1.99 x ...
January 2, 2011

trig
How do you write the quadratic equation with integer coefficients that have the roots 7-3i and 7+3i?
December 21, 2010

math
107 total foreign language students 42 take spanish 46 take french 45 take german 8 take spanish & french but not german 6 take french & german but not spanish 8 take spanish & german but not french 24 students are taking at least 2 languages What is the probability that a ...
December 14, 2010

Math
please show how you would divide 35.6728 by 5.246
December 13, 2010

chemistry
Will sodium sulfide and iron II sulfate form a precipitate? if so what would the reaction look like?
December 12, 2010

College Physics
An object initially at rest experiences an acceleration of 1.4 m/s^2 for 5.0s and then travels at that constant velocity for another 7.0s. What is the object's average velocity over the 12s interval?
December 11, 2010

Math
Input s ? ? 9 12 15 t 70 66 62 58 54 Write the rule as an equation. Use the equation to extend your pattern.
December 9, 2010

Why are the flat surfaces on a rectangular prism called faces?
December 9, 2010

geometry
what is 3x + 11 = 2x + 19 ?
December 9, 2010

com155
I need an exapmple paragraph decribing a movie using adverbs and adjectives.
December 8, 2010

com155
use five adverbs and five adjectives to write about a movie. Compare an event to similar events using three comparatives and three superlatives.
December 8, 2010

ENGLISH
Peace Like a River by Leif Enger HELP PLEASE!? In Peace Like a River by Leif Enger how are Jape Waltzer and Davy Land similar and different?
December 7, 2010

english
In Peace Like a River by Leif Enger how are Jape Waltzer and Davy Land similar and different?
December 7, 2010

statistics
Im am so lost.... A bank conducts a survey in which it randomly samples 400 of it customers. The survey asks the customers which way they use the bank the most, (1) interacting with teller, (2)atm use, (3) internet bank service. It was also asked their level of satifaction on ...
December 5, 2010

Precalculus
The weather bureau reports that a cold front has just passed Austin and is heading toward San Antonio at 42kph. Since you know that Antonio is 126 km from Austin, you first think you have 126/42=3 hours before the front arrives there. However, you realize that triangles and ...
December 1, 2010

McMaster University researchers Margo Wilson and Martin Daly showed 209 male and female students pictures of attractive and not-so-attractive people of the opposite sex. Each was then offered a chance to win a prize. They could accept a check for between \$15 and \$35 tomorrow ...
December 1, 2010

government
yes? lol
November 29, 2010

government
it just says on the wkst that lobbying is bringing pressure to bear on all aspects of the making of public policy
November 29, 2010

government
a lobbyist encourages parents to write letters to their representatives in congress in support of an education bill. this is an example of a. grass roots pressure b. PAC contributions c. a public interest group d. propoganda
November 29, 2010

government
lobbyist activities re a. illegal b. regulated by laws c. not concernd with public policy d. driven by personal, not group, goals
November 29, 2010

government
its not in our txt its a wkst is it c? im just not sure if it is bc it says political action committees that work for or against political candidates and may make campaign contributions.
November 29, 2010

government
a political action committees purpose is to a. use propaganda b. work for the interests of all americans c. raise enough money for political candidates d. encourage americans to join interests groups
November 29, 2010

government
a political action committees purpose is to a. use propaganda b. work for the interests of all americans c. raise enough money for political candidates d. encourage americans to join interests groups
November 29, 2010

government
public interest groups? bc it says it participates in public affairs
November 29, 2010

government
common cause and the league of women voters are examples of? a. private pressure groups b. business groups c. economic groups d. public interest groups
November 29, 2010

government
ok thank you!
November 29, 2010

government
which is an economic interest that is represented by most interest groups? a. business interests b. agricultural interests c. professional interests d. all of the above
November 29, 2010

spalding
im not sure would it be a?
November 29, 2010

spalding
the american bankers association is an example of a? a. labor union b. public interest group c. trade association d. single interest group
November 29, 2010

statistics
Four jelly beans are selected, one at a time from a bowl containing 6 black, 6 red and 6 green jelly beans. Let x represent the number of black jelly beans selected in 4 draws from the bowl. (A) If this experiment is completed without replacing the jelly beans, explain why x ...
November 28, 2010

algebra
If there are 8 red disks numbered 1 through 8, and 6 yellow disks numbered 9 through 14 placed in a box. Find the probability of selecting a red disk numbered 3.
November 14, 2010

Chemistry
40.0 ml of an acetic acid of unknown concentration is titrated with 0.100 M NaOH. After 20.0 mL of the base solution has been added, the pH in the titration flask is 5.10. What was the concentration of the original acetic acid solution? [Ka(CH3COOH) = 1.8 ´ 10–5]
November 9, 2010

Algebra 2
solve log2(3x-1)-log2(x-1)=log2(x+1) i have absolutely no idea how to solve this. can anyone help me, please?
November 9, 2010

Math
a grid has line at 90-degree angles. There are 12 lines in one direction and 9 lines in the other direction. Lines that are parallel are 11 inches apart. What is the least number of 12-inch floor tiles needed to cover all of the line interestions on the grid?
November 7, 2010

physics
An escalator is 15.0 m long. If a person stands on the escalator, it takes 38.0 s to ride from the bottom to the top. (a) If a person walks up the moving escalator with a speed of 0.500 m/s relative to the escalator, how long does it take the person to get to the top? (b) If a...
November 7, 2010

English
The first four relate, but i'm not sure how the last two relate
November 7, 2010

physics
You take the fact that vi=0, vf=x, delta t=5.5 and a=3.1 i think you use the formula vf=vi + a delta t to find your answer
November 7, 2010

College Algebra
And yes this is College Algebra...some of us are better at things other than math. I'm doing great after being graduated for 17 years, a 9 year old, a husband and a full time job. I'm loving my A average thank you.
November 6, 2010

College Algebra
This is the question...is it possible and why?
November 6, 2010

College Algebra
Is it possible for the x-intercept and the y-intercept of a straight line to be at the same point? Why or why not?
November 6, 2010

english
Please correct my essy. 1) please tell me what to change/add. 2)please check my thesis/summary. 4)Is my intorduction good, cammos, sentenc structures. Thanks for the time u took to look at my essay. One of the most controversial issue in America is illegal immigrates. Due to ...
November 5, 2010

english
Thanks for help and websites. Here is what I've written about the building fence so far. please tell me if I'm on the right path. I'm for building the fence and tell me if i need to correct my sentence. Thanks! Due to borders being unsafeguarded, illegal Aliens ...
October 31, 2010

english
Is this correct? Eating two cups of ice-cream every night is my habit because it has sweet and delicious taste, which always makes me feel hyper and pleased and recalls my happy moments in the past, such as party at the beach and my 18th birthday party.
October 31, 2010

english
Thanks you guys!
October 30, 2010

english
Thanks for the help on putting up fence. I need help with starting general information (Background on illegal immigration& putting fence) How can I start with the background information on putting up fence? is it approiate using "THey or It is said? I just need an idea to...
October 30, 2010

chemistry
A given mass of gas occupies a volume of 449 mL at 25°C and 740 mmHg. What will be the new volume at STP?
October 28, 2010

english
I am going to write about illegal immigration and my topic is putting fence on the border and I am for it. my question that i need help with is, How can fence reduce illegal immigration? Thanks for your help?
October 26, 2010

English
Nothin. I just have to search about what Moral aspect of the Justice and I am having hard time with it.
October 26, 2010

Chemistry
The Ka values of H2CO3 are shown below. Ka1 4.6 10-7 Ka2 4.4 10-11 What is the pH of a 0.17 M solution of Na2CO3?
October 25, 2010

Statistics
If the original variance is 9 than the standard deviation is 3. George's score of 70 is 5 standard deviations from the mean (70-55=15/3=5). Then if the mean is moved to 70 we need to add 5 standard deviations to is (5 x 5 = 25) so his new score is 95.
October 23, 2010

Finance
Your 401 (k) Account at East Coast Yachts You have been at your job for East Coat Yachts for a week now and have decided you need to sign up for the company’s 401(k) plan. Even after your decision with Sarah Brown, the Bledsoe Financial Services Representative, you are ...
October 23, 2010

Maths
\$150 + \$120 = \$15x \$270=\$15x 270/15=18 trips
October 23, 2010

chemistry
3.0 g Al +HNO3 > Al(NO3)3 + H2 =how many liters
October 22, 2010

Calculus
I need help creating an equation for a piecewise defined function with two different rules, that is continuous but not differentiable at the point where the rules change, x=3. Please help to justify the answer.
October 20, 2010

College Chemistry
Write the condensed ground-stste electron configuration of the transition metal ion Mo3+
October 17, 2010

College Chemistry
Draw an orbital diagram showing valence electrons and write the condensed ground-state electron configuration for Se3+
October 17, 2010

College Chemistry
Write the electron configuration for Se using the noble gas core format.
October 16, 2010

math
let d=#dimes 10d=value dimes d-3=#nickels 5(d-3)=value nickels 10d+5(d-3)= 165 total value=\$1.65 10d+5d-15=165 distribute 15d-15=165 combine like terms 15d=180 add 15 to both sides d=12 divide both sides by 15 You have 12 dimes and (d-3)nickels or (12-3) nickels which is 9 ...
October 16, 2010

math
Make a chart for the pieces of RT=D that you know. Rate X Time = Distance _____________________________________ ship 30 x 30x chopper 90 x-4 90(x-4) You know that at the time the helicopter overtakes the ship that the distances are equal. 30x=90(x-4) set distances equal 30x...
October 16, 2010

math
twelve posts stand equidistant along the stadium. starting at the first post, a runner reaches the eight post in 8 seconds. if he runs at a constant rate, how many seconds are needed to reach the twelfth post?
October 16, 2010

maths
46-6=40 40 / 2 = 20 20+6= 26
October 16, 2010

english
How can I fix this sentence? some of the questions I asked him are “Tell me reasons why did you end up staying at the hospital?” and “Tell me more about the pain in your right leg?”
October 16, 2010

Chemistry
81.9 degrees
October 15, 2010

Chemistry
What will be the final temperature if 2000g of copper at 95 degrees loses 10 kcal of heat?
October 15, 2010

english
thank you! It helps a lot
October 12, 2010

1. Pages:
2. <<Prev
3. 2
4. 3
5. 4
6. 5
7. 6
8. 7
9. 8
10. 9
11. 10
12. 11
13. 12
14. 13
15. 14
16. 15
17. 16
18. Next>>