Tuesday

March 31, 2015

March 31, 2015

Total # Posts: 45

**algerbra**

Find the distance between points P(3,-6) and Q(6,4). Round to the nearest tenth.
*February 17, 2015*

**calculus**

At noon, Ship A is 100 km west of ship B. Ship A travels south at 35 km/h. Ship B travels North at 25 km/h. At 4 pm, how fast the distance between them change?
*February 4, 2015*

**calculus **

5. Find the equation of the tangent line to the graph of f(a) = -sec(a) at the point (0, -1) 6. Differentiate y = sin(x)tan(x). 7. Find f '(x) for f(x) = sin(x)cot(x). 8. Find the derivative of the function f(x) = cos^2(x) + tan^2(x) 9. Find f '(x) for f(x) = xln(x) - ...
*January 15, 2015*

**calculus **

1. Which of the following expressions is the definition of the derivative of f(x) = cos(x) at the point (2, cos(2))? 2. Find the derivative of f(x) = |x + 2| at the point (1, 3) 3. Find f '(x) for f(x) = -2x3 + 3x2 - x + 15. 4. Find all values of x on the graph of f(x) = -...
*January 15, 2015*

**Precalc 2**

Thank you for helping me set this up Reiny.
*November 23, 2014*

**Precalc 2**

At a state fair truck pull, two pickup trucks are attached to the back end of a monster truck as illustrated in the figure. One of the pickups pulls with a force of 1600 pounds and the other pulls with a force of 3200 pounds with an angle of 45° between them. With how much...
*November 23, 2014*

**math**

handi divided a board that is 52 inches long into two equal pieces.to find the length of each piece,she used the division expreesion 52 divided by two
*November 11, 2014*

**GLBT Studies**

I want to change schools but my parents won't let me.
*October 3, 2014*

**GLBT Studies**

I go to a Christian school and the priest calls me a sodomite :(
*October 3, 2014*

**GLBT Studies**

Yes. Some scholars actually think Jesus was a gay man :)
*October 3, 2014*

**GLBT Studies**

What are some arguments that can be used against a religious racist who argues gay people should have no rights?
*October 3, 2014*

**algebra**

The area of a rectangle is 44yds squared, and the length of the rectangle is 3yds less than twice the width. what is the length and width
*February 16, 2014*

**Calculus**

the velocity of a car (measured in ft/sec) "t" seconds. after starting from rest and moving in a straight line is given by f(t)=2t (0<t<20). find the displacement of a car at any time "t"
*October 4, 2013*

**math**

Find the equation of the line tangent to f(x)=3x^2-2x-1 at the point where x=2
*August 1, 2013*

**health**

IT IS HAVE A BACK UP PLAN I JUST READ IT IN MY BOOK
*April 4, 2013*

**health**

HAVE A BACK UP PLAN
*April 4, 2013*

**Math**

9.353
*January 9, 2013*

**Multivariable Calculus**

Most probably I misunderstood the question and quite frankly I thought this might be the answer, but in the answer box it did ask for the unit vector and the speed, which confused me. (This is a problem that I have already answered rightly or wrongly).
*September 4, 2012*

**Multivariable Calculus**

I was asked to state as a product of speed and unit vector a mass traveling at 1000ft/sec along the vector <1,sqrt(3)>. I know that v/|v| gives me the unit vector, which is (1/2i, sqrt(3)/2j). Do I keep the speed as given?
*September 4, 2012*

**HEALTH**

The muscles of the upper extremity include those that attach the scapula to the ... The muscles that move the forearm are located along the humerus, which ... so there for b is not right c is the right one
*August 22, 2012*

**Science**

What is the boiling point of ethanol when the atmospheric pressure is 60kPa? I decided to repost this ? under Science instead of Chemistry. Thanks.
*April 14, 2012*

**Chemistry**

What is the boiling point of ethanol when the atmospheric pressure is 60kPa?
*April 14, 2012*

**Chemistry**

where did 0.03moles come from
*February 9, 2012*

**Math formula**

If I had a metal circle and the circumference of that measured 6.750 inches long, how long would 38 degrees of that circle be in inches.
*December 12, 2011*

**Algebra II**

Simplify (n^2+3)(n^2-5n+6)
*July 1, 2011*

**properties of addition**

what is 3 1/4 plus [3 1/4 plus 5 1/5]
*February 17, 2011*

**Physics**

An electron is a subatomic particle (m = 9.11 *10^-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +5.31 * 10^5 m/s to a final velocity of +2.21 * 10^6 m/s while traveling a distance of 0.040 m. The ...
*September 20, 2010*

**7th grade**

I trying to help my son answer this question. 1/4y for y = 16
*August 29, 2010*

**CHEMISTRY**

1.Chemistry Question: A 0.1 M solution of acetic acid is titrated with 0.05M solution of NaOH. What is the pH when 60% of the acid has been neutralized? The equilibrium constant (Ka) for acetic acid is 1.8x10^-5 2. Chemistry question: On average, how far is a molecule of air ...
*August 21, 2010*

**MATH**

1. Let triangle ABC be a triangle such that angle ACB is 135 degrees. Prove that AB^2 = AC^2 + BC^2 - (Root 2) x AC x BC 2. Simplify: 2/1! - 3/2! + 4/3! - 5/4! + ..... + 2010/2009! - 2011/2010! Where k! is the multiplication of all numbers up to k (e.g. 5! = 5x4x3x2x1=120) 3. ...
*August 21, 2010*

**business**

1.Following is the projected net income stream associated with the use of Zartek technology. (Note: this net income stream does not take into account that Zartek’s owners invested $2,000 to develop Zartek in Year 0.) Globus Maximus Enterprises would like to buy the Zartek...
*April 18, 2010*

**math**

What is the minimum number of identical square tiles required to completly tile a rectangle having dimensions of 3 3/5 units by 4 1/5?
*February 10, 2010*

**5th grade**

19 over 27 in simplest form
*February 8, 2010*

**health care**

which of the following methodologies determine payment before services are received a. fee-for-service payment system or b. capitation system
*September 5, 2009*

**writing**

What does voice refer to in a sentence? What does tense refer to?
*January 27, 2009*

**Math -- Calculus**

Hours of Daylight as a Function of Latitude Let S (x) be the number of sunlight hours on a cloudless June 21, as a function of latitude, x, measured in degrees. (a) What is S (0)? (b) Let x0 be the latitude of the Arctic Circle (x0 ≈ 66◦ 30′ ). In the ...
*October 10, 2008*

**math**

12 bags
*October 1, 2008*

**chem.**

How much heat (in Joules) is gained by the water where a chemical reaction takes place in 100 mL aqueous solution and has a temperature increase of 12C?
*March 31, 2008*

**Math**

George can spend $34.80 for his dinner. He wants to tip the waiter 20% of the cost of his meal. How much money does he spend on the tip? Translate the question into an equation. Do not solve.
*October 7, 2007*

**Algebra**

How to write -3x + 4y = 11 as a function of x add 3x to each side, then divide by four. y= 3/4 x + 11/4 (Remember this is an "and" statement) or in function notation, y(x)= 3/4 x + 11/4
*June 29, 2007*

**Foreign Languages- Spanish**

Hi, How would you say, "We should acknowledge the many achievements that women have brought to the table today." I need to include an idiomatic expression. Thanks so much! Thank you for using the Jiskha Homework Help Forum. "To bring to the table" is an ...
*March 26, 2007*

**TR Roosevelt Relations**

Hi, Can any one tell me the relations between TR Roosevelt and Tadasu Hayashi? Were there any tensions between these too? Thank you for using the Jiskha Homework Help Forum. Here are some sites for you: http://www.portsmouthpeacetreaty.com/biblio3.cfm http://links.jstor.org/...
*February 24, 2007*

**Populists**

Are the populists liberal, reactionary or radical? Are there any websites that can view the different perspectives on populists during the late 1800's? -thanks The term liberal, reactionary, and radical are not very useful for describing views. example:What is the ...
*January 4, 2007*

**AP US History**

How did the war of Spanish succession affect Spain and her colonies? thx Here are many websites with interesting information about this particular war and its results: http://www.google.com/search?hl=en&q=spanish+war+succession+results ... especially ~~> http://www....
*October 23, 2006*

**Science-Physics: Space Station**

Hello, I am having trouble with this physics problem. Any suggestions with this? Sketch and calculate a spacestation that would meet the requirement of having a 2m tall person experience a 10 % difference in centripetal acceleration between bottom of feet and top of head when ...
*October 11, 2006*

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