Sunday

January 25, 2015

January 25, 2015

Total # Posts: 331

**Calculus**

For what values of x with 0¡Üx¡Ü2¦Ð does the graph of f(x)=x+4sin(x) have a horizontal tangent?
*June 18, 2013*

**Calculus**

Find the equation of the tangent line to the curve y=2tan(x) at the point (pi/4,2).
*June 18, 2013*

**Calculus**

Sketch a graph of the parabola y=x^2+3. On the same graph, plot the point (0,−6). Note there are two tangent lines of y=x2+3 that pass through the point (0,−6). The tangent line of the parabola y=x^2+3 at the point (a,a^2+3) passes through the point (0,−6) ...
*June 17, 2013*

**Calculus**

Find the values of a ,b, and c in the quadratic function p(x)=ax^2+bx+c such that p(2)=6, p'2)=2, and p''(2)=3. a = b = c =
*June 17, 2013*

**Calculus**

Find the values of a , b , and c in the quadratic function p(x)=ax2+bx+c such that p(2)=6, p'(2)=2, p"(2)=3
*June 14, 2013*

**Calculus**

Find the values of a , b , and c in the quadratic function p(x)=ax^2+bx+c such that p(2)=6, pŒ(2)=2, and pŒŒ(2)=3.
*June 14, 2013*

**Calculus**

Find an equation for the tangent line of the function f(x)=6+10xe^x at the point (0,6).
*June 13, 2013*

**Calculus**

Find an equation for the tangent line of the function y=x+(4/x) at the point (2, 4). The equation of the tangent line is . You may enter the equation in any form.
*June 12, 2013*

**Calculus**

Let f(x)=−4−3x+2x^2. Use the limit definition of the derivative to find find fŒ(a)
*June 8, 2013*

**Calculus**

If a ball is thrown straight up into the air with an initial velocity of 95 ft/s, its height in feet after t seconds is given by f(t)=95t−16t^2 Find the average velocity for the time period beginning when t=1 and lasting (i) 0.5 seconds (ii) 0.1 seconds (iii) 0.01 ...
*May 31, 2013*

**Physics**

A roller coaster has a mass of 425 kg. It sits at the top of a hill with height 66 m. If it drops from this hill, how fast is it going when it reaches the bottom? (Assume there is no air resistance or friction.)
*May 14, 2013*

**chemistry**

The reaction of chlorine gas with solid phosphorus (P4) produces solid phosphorus pentachloride. When 63.5 g chlorine reacts with 28.5 g P4, which reactant is limiting?
*May 13, 2013*

**statistics**

if no preliminary sample is taken to estimate p, how large a sample is necessary to be 87% sure that the point estimate will be within a distance of 0.04 from p?
*April 24, 2013*

**PHYSICS**

A 2kg block is on a level table and held against a spring with k =150N/m which has been compressed 15 cm. he block is released from rest and pushed across the table. When the block leaves the spring it beins to experience fricion with coeficient of 0.25. What is the total ...
*April 17, 2013*

**PHYSICS**

yes would you be able to show me?
*April 14, 2013*

**maths literacy,business studies, tourism, economic**

What kind of work can i get one day with this subjects and what is the salary?
*March 13, 2013*

**math**

the original question was x^2-4x=32 can you help me solve?
*March 12, 2013*

**math**

x^2-4x+32=0. would the final answer be 2 +or- 2 sqrt7 ?
*March 12, 2013*

**math**

Thank you!
*March 12, 2013*

**math**

I am working on quadratic equations and I have worked a problem down to 3 plus or minus the square root of 361 all over 2... what next?
*March 12, 2013*

**Physics true false**

true false The speed of a particle is always positive. True False The average speed of a particle is equal to the magnitude of its average velocity. True False The acceleration of a particle can be non-zero when its speed is constant. True False When the average velocity of a ...
*February 26, 2013*

**Geography**

Hydrosphere basic facts and what makes up the hydrosphere?
*February 23, 2013*

**Chemistry**

two solutions are prepared using the same solute solution a: 0.27g of the solute disolves in 27.4g of t-butanol solution b: 0.23g of the solute disolves in 24.8g of cyclohexane which solution has the greatest freesing point change? show calculations and explain.
*February 18, 2013*

**Chemistry**

two solutions are prepared using the same solute solution a: 0.27g of the solute disolves in 27.4g of t-butanol solution b: 0.23g of the solute disolves in 24.8g of cyclohexane which solution has the greatest freesing point change? show calculations and explain.
*February 18, 2013*

**Math**

Rearrange this expression into quadratic form, ax2 bx c = 0 0.20= ((x^2)/(55-x)) where a = 1, and identify the values of b and c.
*February 18, 2013*

**grammar, contractions and negatives**

No one, or Someone who bought a car for transportation was not considered sane.
*February 7, 2013*

**math**

3 pumps, working 6 hours a day, can empy a water tank in 2 days. How many hours a day must 9 pumps work to empty the same tank in 1 day?
*January 26, 2013*

**Math**

A room is 45 m x 15 m. What is the least number of rectangle tiles required to pave the floor of the room, if each tile is 50 cm x 1m?
*January 26, 2013*

**Geology**

There is also a graph i can't move it. Building Isochrons and Determining the Ages of Three Rocks Page 15 of 17 For each of the three rocks listed below follow these steps to determine the rock's age of formation. 1. Prepare an isochron by plotting the points that ...
*January 12, 2013*

**phicicks**

A 0.300- kg brass block is attached to a spring of negligible mass. What is the value of the spring constant if the vibrational frequency is 0.855Hz?
*December 9, 2012*

**Chemistry**

You are asked to prepare a temperature bath that freezes at -25 degrees C, using only water and ammonium sulfate. a. How many grams of ammonium sulfate would you need to prepare this bath if you start with 500 grams of water? b. What would the boiling point (degrees C) of this...
*November 14, 2012*

**subject verb agreement**

which verb is correct. 1.Historical fiction (is, are) make-belive stories based on real events or people. 2. An example of historical fiction (is, are) the novel Ben and Me. 3. The main characters (is, are) Bem Franklin and a mouse named Amos.
*November 14, 2012*

**Math**

Andrea sells tickets at the Showtime Cinema. On Thursday night, Back to the Future was playing. Adults, senior citizens and children bought tickets at the following rates: Adults $5.00 Senior Citizens $1.00 Children $.10 Andrea sold 100 tickets worth $100. How many adult, ...
*November 7, 2012*

**grammar action and linking verbs(mental or physica**

In China, shrines honor ancestors. Is honor an a. action verb(physical)b. action verb(mental) c. linking verb d. not a verb
*October 30, 2012*

**English singluar and plural possessive nouns**

1. Slaves lives were terribly hard. 2. They wre at the mercy of owners whims. 3. A runawy life was in danger. 4. Often runaways traveled by the moon light. 5. It could take several weeks travel to reach the Norht. 6. Slaves hid directions in a song words. 7.Abolitionists role ...
*October 25, 2012*

**Enlgish, possessive form of singular and plural no**

possessive form of family, brother, suitcase, child, government, pen, train, tree, woman, refugg, families, brothers, suitcases, children, governments, pens, trains, trees, women,refugees
*October 25, 2012*

**english, possessive nouns**

Directions: Wrie each sentence. Change the underlined phrase to show possession. The honesty of children is refreshing. The honesty of children is the underline part of the phrase.
*October 23, 2012*

**English**

What is the difference between a complex, compound, and compound-complex sentence?
*October 3, 2012*

**physics**

Three forces act on a moving object. One force has a magnitude of 61.9 N and is directed due north. Another has a magnitude of 52.0 N and is directed due west. What must be (a) the magnitude and (b) the direction of the third force, such that the object continues to move with ...
*September 23, 2012*

**algebra**

Tony went to the racetrack with $80. He won $15 on the 1st race, lost $12 on the 2nd, lost $6 on the 3rd and won $8 on the 4th. How much money did he have after the 4th race.
*August 28, 2012*

**American Governement**

Cite five reasons that Americans should trust the government?
*August 21, 2012*

**Intro to Social Work**

Your role is as a social worker for a group of low-income tenants of an apartment building who have no heat in their building. The landlord is attempting to raise the rent but the tenants cannot afford the increase. You have brought the parties together for a meeting. What are...
*August 18, 2012*

**psychology**

Identify intervention strategies to deal with burnout
*August 15, 2012*

**Algebra**

$3,000 balance, 21% rate, $1,500 payment, adjusted balance method
*August 5, 2012*

**Biology**

If the line for 60 captured is extended downward to zero percent error, what fraction of the total population would this represent? (Compare the actual number in the can to the extrapolated number on your graph.) What more information do I need to provide to get an answer?
*July 15, 2012*

**Biology**

A trip to a different stream which had 30 fish marked at an earlier time produced 20 captured fish but none were recaptured with fish tags. Can you estimate the number of fish in this stream? Explain your answer.
*July 15, 2012*

**Science**

Should humans strive to preserve a representative sample of all biomes or aquatic zones? Why should humans be concerned with the extinction rate?
*April 26, 2012*

**Trig**

Why does 11.4(7pi/18)=133pi/30 ?
*April 1, 2012*

**English**

Ms. Sue, thank you, I guess this additional information would have been helpful. Questions 1-4 the choices are, misplaced modifier, dangling modifier, faulty predication or incomplete comparison. Questions 5-10 re: the sentence shifts in, the choices are: person, tense, ...
*March 11, 2012*

**Important Operations**

18r4s5+6/-32s+3=? A)6r2s5+3 B)-6r2s5+3 C)6r2s4+3 D)-6r2s4+3
*March 9, 2012*

**Algebra **

Which must be a whole number? A. The time it takes to drive 300 miles at 55 mph B. The area of a circle with a radius of 5 feet C. The area of a triangle with base of 15 and height of 9 D. The number of books in 12 bookstores
*January 2, 2012*

**Algebra**

69% of the students at a school are involved in after-school activities. There are 598 students in the school. Which is the best estimate of the number of students in after school activities? A. 360 B. 380 C. 420 D. 450
*January 2, 2012*

**science**

When water is split into hydrogen and oxygen what happens- is it a change in matter
*November 30, 2011*

**math**

During a sale at the local department store, you buy three sweatshirts and two pairs of sweatpants for $85.50. Later you buy three more sweatshirts and four more pairs of sweatpants for $123.00 What is the sale price of each sweatshirt and each pair of sweatpants?
*November 13, 2011*

**English**

@SrajMCgin it's sometime hard to find idioms if english is your 3rd language's thats wy some people ask after searching the expressions for them because they can't find them !
*October 22, 2011*

**chemistry**

The vapor pressure of water @ 80 degrees C is 0.467 atm. Find value of Kc for the reaction H2O(l) to H2O(g) @ this temp.
*October 9, 2011*

**Calculus**

If f(x)=(3x)/(1+x2) find f′(4)______. Use this to find the equation of the tangent line to the curve y=(3x)/(1+x2) at the point (4,0.70588). The equation of this tangent line can be written in the form y=mx+b where m is: ________ and where b is:______
*September 29, 2011*

**Physics**

A hockey puck is sliding on frictionless ice. It slams against a wall and bounces back toward the player with the same speed that it had before hitting the wall. Does the velocity of the hockey puck change in this process?
*September 15, 2011*

**Physics**

Using Newton's law and the law of universal graviation: F=ma Acceleration is centripital acceleration, so a=(v^2)/r so G(m^2/r^2)=m(v^2/r)
*July 12, 2011*

**math**

chad's commission rate is 12%. He invests his commission from the sale of $9000 worth of merchandise at an interest rate of 8%, compounded quarterly. How much is Chad's investment worth after 6 months?
*July 11, 2011*

**math**

If a car is traveling at 55 mph in one direction, how long would it take to decelerate, turn around, and catch up with another car going at a steady speed of 100 mph in the opposite direction?
*July 6, 2011*

**Physics**

Hi, I am in the middle of a physics lab about sound resonance, but I have no idea what "n" stands for in the equation we have to use, which is L=(2n-1)(wavelength)/4 any help? thanks!
*June 27, 2011*

**science **

5.0millimeters
*June 16, 2011*

**HEALTH**

PLEASE HELP ME
*June 5, 2011*

**HEALTH**

What are the Chronic or long term effects of Cocaine users not crack cocaine users?
*June 5, 2011*

**Health**

Ms. Sue I know chronic and long term mean the same thing but Sara on the other page gave me short term effects and now i need the long term effects of Cocaine AND Sneha wht r u tlking about? I need the chronic effects OR as some people say "the long-term effects" of ...
*June 5, 2011*

**Health**

Ok yes I know but now I need the Chronic effects: When someone uses Cocaine over a long time what damaging effects can occur? The other one u answered was the short term effects and NOW i need the chronic effects
*June 5, 2011*

**Health**

HELP IMMEDIATELY
*June 5, 2011*

**Health**

I need them in like bullet ponts
*June 5, 2011*

**Health**

Ok, in Health class my TOPIC is Cocaine----- and i need someone to answer the following Chronic Effects: When someone uses this subatance over a long time what damaging effects can occur? P.S. my topic is COCAINE NOT crack cocaine...
*June 5, 2011*

**math**

if 7000 is placed in an account with 6 percent intrest compounded annually how many years does it take to triple? rounded to two decimals.
*May 5, 2011*

**managment**

“Egalitarian companies are more innovative.What do you think?
*May 3, 2011*

**english**

The word CAN is used to refer to A. the ability to do something B. permission to do something C. the need to do something
*April 20, 2011*

**English**

Thanks for the website I will work on it
*April 14, 2011*

**English**

I said A so what is the correct answer
*April 14, 2011*

**English**

Then it would be A right
*April 14, 2011*

**English**

saturday
*April 14, 2011*

**English**

Which of the following sentences is in the passive voice? A. I just don't see the point. B. I want my MTV. C. A whole case of beer gets drunk every Satyrday night. D. Please don't tell me I missed it. I think its D
*April 14, 2011*

**English**

Which of the fllowing is CORRECT? A. She sings bad. B. He runs a well race. C. They won with a lucky shot. D. all of the above
*April 14, 2011*

**Math**

Find the radius of the given circumference C= 3.14, r=?
*March 24, 2011*

**american government**

write a letter to the a presidential canidate in 2008 based on results of Pennsylvania polls
*March 15, 2011*

**Geoscience**

can you help me write out a geological time scale of an area located within stone mountain Georgia? I need a description of the area, how the rock transformed and was dated, picture of a map that has the longitude and latitude of the area picked, the history of the area, ...
*February 21, 2011*

**Chemistry**

A metal, , of atomic weight 96 reacts with fluorine to form a salt that can be represented as . In order to determine and therefore the formula of the salt, a boiling point elevation experiment is performed. A 9.18- sample of the salt is dissolved in 100.0 of water and the ...
*February 20, 2011*

**Chemistry**

A metal, , of atomic weight 96 reacts with fluorine to form a salt that can be represented as . In order to determine and therefore the formula of the salt, a boiling point elevation experiment is performed. A 9.18- sample of the salt is dissolved in 100.0 of water and the ...
*February 20, 2011*

**Earth Science**

I need help finding the geological time scale of stone mountain georgia, with a longitudinal, and latitude map of the area.
*February 19, 2011*

**earth**

Hello. I need help writing this outline on the rock I picked, which is granite. I chose it because granite is the most common rock form available in Georgia. I just need information on each area so I can write the paper.
*February 7, 2011*

**earth**

Geological time scale summary for stone mountain's granite in georgia, with: description of the Feature Description of Processes Influence of Time on Rock Formation Discussion of Transformation processes Hand Samples Location Types of Rock from map A Map History Age of ...
*February 7, 2011*

**com 155**

• Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards. This interaction may be imagined or real. • Use at least five different pronouns in your sentences. • Identify all pronouns used by ...
*January 30, 2011*

**8th Grade Math**

I have an input output table, but I can't figure out the rule. Input: 1, 2, 5, 7, 10 Output:5, 15,?, ?, ?
*January 27, 2011*

**Science**

How did living organisms shape our current atmosphere? How did free oxygen eventually begin to accumulate in the atmosphere? What was the role of photosynthesis.
*January 26, 2011*

**mathematics**

simplify the expression. 2/x^-3/2
*January 20, 2011*

**Conductivity**

for B Ca(NO3)2 is NOT the right answer. i got it wrong.
*January 12, 2011*

**Finance**

Production budget Jan-Mar April-June July-Sept Oct-Dec 2011 Qty to be sold 1080000 1360000 980000 1100000 4520000 add Ending Inventory 136000 98000 110000 120000 120000 less openng inventory -94500 -136000 -98000 -110000 -94500 Qty to be produced 1121500 1322000 992000 1110000...
*December 17, 2010*

**Criminal Justice **

what attributes make up an effective and ineffective appellate court judges?
*December 10, 2010*

**geometry**

if ab=3x+11 bc=2x+19 and cd=7x-17 find x
*December 9, 2010*

**college**

What are the methods of judicial selection for federal judges?
*December 6, 2010*

**Criminal Courts**

I finished up this assignment last night and my instructor already graded it and I got 100% on it and just wanted to say thank you so much for all your help!!
*November 26, 2010*

**Criminal Courts**

Ok I have read the entire case and the wiki link you sent me, and I am still not understanding. This is what the question in my assignment reads as: Use the Crawford opinion as an example ofhow the US Supreme court believes the 6th Amendment has evolved throughout history. I ...
*November 26, 2010*

**Criminal Courts**

Okay that is what I thought but now they are asking me to apply this arguement to the case of Crawford v. Washington, and I do not really so any connection. Are you familiar with this case? And if so could you please give me an example of how this are similar?
*November 26, 2010*

**Criminal Courts**

What is it meant when it says theory that law is a living body? Is this because like living organisms the law is always growing and changing?
*November 26, 2010*

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