Friday

May 29, 2015

May 29, 2015

Total # Posts: 1,753

**Algebra**

Find the equation of the line parallel to the line 3x + y = 5 and containing the point (4, – 2).
*June 23, 2009*

**Medical Coding**

What is the two subheadings within the Cardiovascular System subsection?
*June 22, 2009*

**drivers ed**

when crossing a bridge, a driver should usually: 1. reamin in the center of the lane 2.move to the right of the lane 3.move to the left lane
*June 15, 2009*

**Algebra**

Given that h(x) = x+4 and g(x) = rootx-1, find each of the following, if it exists. a. (gh)(10) b. (h/g)(1) c. (hg)(3)
*June 12, 2009*

**Algebra**

Could you be adding both fraction here after coming up with the common denominator? which is 12? for the final ans of 17/12 or 1 5/12?
*June 4, 2009*

**Algebra**

So you don't add the two to come up with the distance? All I need is the distance between the two fractions. Thanks!
*June 4, 2009*

**Algebra**

Calculate the distance between the points -2/3 and 3/4 on the number line. Please show how you arrived at the answer.
*June 4, 2009*

**chemistry**

Is it possible for hydrated sodium carbonate to continue to absorb water?
*June 2, 2009*

**Algebra**

turbo-jet: 400mph super-prop: 350mph
*May 24, 2009*

**college**

i am not good with history and i have an assignment on how the united states became involved with the politics in southeast Asia and how it affected the politics in the united sates. If anybody can help me it would be greatly appreciated
*May 23, 2009*

**Algebra**

Please Simplify ( 3x^5 y^-8)^4 ) (------------- ) ( z^-2 )
*May 19, 2009*

**chem nomenclature**

and sodium diamminetetrachloroplatinate(IV)
*May 11, 2009*

**chem nomenclature**

whats the formula: tetraamminedinitratocobalt(III) bromide
*May 11, 2009*

**Math**

I'm doing some word problems on finding the areas of rectangles, its just like all complicated. I don't understand how to do them. For example: A square field had 3 m added to its length and 2m added to its width. The area is 90 m2(squared). Find the length of a side ...
*April 29, 2009*

**chemistry**

thanks
*April 26, 2009*

**law**

D- until she's 24 ( correct answer)
*April 20, 2009*

**Psy**

How do you believe an individual’s attachment style can affect the types of love relationships he or she has
*April 19, 2009*

**Psycology**

Can you please summarize the three dimensions of love for me, and tell me how they interrelate to identify a specfic type of love relationship?
*April 19, 2009*

**Chemistry**

On March 24, 1989, the Exxon Valdez dumped 10.8 million gallons of oil into the pristine waters of Prince William Sound. If this spill had happened in open water, how many square miles of ocean would be covered by an oil slick that is 0.5 mm thick?
*April 18, 2009*

**4th grade**

Math
*April 14, 2009*

**Algebra**

I think the answer is this because (m+4) is the common factor and then you add a+a to get 2a-2. (m+4) (2a-2)???? is this correct?
*April 2, 2009*

**Math**

Do i need to put a 1 over the 2^2 x 7^8 like this? Or is it just 2^2 x 7^8 ? 1 ------ 2^2 x 7^8
*April 2, 2009*

**Algebra**

I thought there was division too. So what is the final answer?
*April 2, 2009*

**Algebra**

I do not understand how you arrived @ this answer. Can you please explain. Thank you
*April 2, 2009*

**Algebra**

Simplify (5x^-2)-(3y^-1) --------------- (x^-1)+(y^-1)
*April 2, 2009*

**geometry**

A ladder leaning against a vertical wall makes a angle of 75degree with the ground. If the foot of the ladder is 4 feet from the base of the wall, would this ladder be long enough for you to retrieve the suction dart that your friend stuck 17ft up the wall?
*April 2, 2009*

**Algebra**

Please help Simplify (p^-4+m ^2m)^-4/(p^-4)^-m
*April 1, 2009*

**math**

When converting Farrenheit to Celcius, why is there only 32degrees difference between the freezing points of 32 and 0, but 110 degrees difference between the boiling points of 210 and 75 degrees?
*April 1, 2009*

**chemistry**

Why does a solute dissolve faster in hot water than cold?
*March 29, 2009*

**Algebra**

Thank you!
*March 29, 2009*

**Algebra**

Add The following (8n^6 - 6n - 5n^4) + (2n^4 + 2n^6 + 3n) I think that this is the answer but am not sure. 10n^6 - 3n^4 - 3n
*March 29, 2009*

**Algebra**

Wouldn't the + 3n at the end be - 3n?
*March 29, 2009*

**Algebra**

Add. (8n6 - 6n - 5n4) + (2n4 + 2n6 + 3n) I think I have this answer but am not sure if its 10n^6 - 3n^4 - 3n OR 10n - 3n^6 - 3n^4 I am pretty confident on the first answer. Any help is appreciated! Thanks!
*March 29, 2009*

**Englsih**

The word it has how is the correct version written when you are contracting it?
*March 28, 2009*

**science**

can anyone help me unscramble....heat likes to remain "onmfriu"
*March 24, 2009*

**Chemistry**

What is meant by the hyrdration of the hydrogen ion? Does this mean you add water? Does this mean you create hydronium ions? Are hydronium ions only created when you hydrate a concentrated acid?
*March 22, 2009*

**Chemistry**

If you mixed water and dilute sulfuric acid, rather than concentrated sulfuric acid, would the exothermic reaction be greater or less than the exothermic reaction that occurs during hydration of a concentrated sulfuric acid? If so, why?
*March 22, 2009*

**Calculus II**

Solve the Initial Value Problem: Let k and Po be positive constants. P(0)=Po dP/dt = kP^2
*March 17, 2009*

**algebra 2**

how do you solve 1/3 + 4/x=2
*March 16, 2009*

**Algebra**

Algebra - Substitution Question? A+B+C=1 A+C= -1/2 A-B+C= -7 What are the values of A, B, and C?
*March 9, 2009*

**Biology**

5' C U A C C U C A G A U U C G C C U A C C U 3' What is the DNA sequence that encodes for the word for this protein? Be sure to note the 5' and 3' ends. What is the protein? I would appreciate any feedback! Thanks! :)
*March 5, 2009*

**Biology**

5' C U A C C U C A G A U U C G C C U A C C U 3' What is the DNA sequence that encodes for the word for this protein? Be sure to note the 5' and 3' ends. What is the protein? I would appreciate any feedback! Thanks! :)
*March 5, 2009*

**Calculus**

What is the antiderivative of this? What is the antiderivative of x/((16+x^2)^(1/2))? (x / the square root of (16 + x^2))? What method did you use? Substitution, etc..? Thanks!
*March 4, 2009*

**Math**

That is what i need to know, i figured out that 4(-17) + 36 (0) 4(-17) + 36 (0) = -68 + 36 = -32 X = 0 Y = 0
*March 2, 2009*

**Math**

Graph the linear equation. I need coordinates, but don't think they match up to my choices. I would appreciate some feed back. ThankS! 4y + 36x = -32
*March 2, 2009*

**Biology**

In the following chemical reaction, what is carbon dioxide (CO2)? 12 H20 + 6 CO2 -> 1 glucose molecule + 6 O2
*March 2, 2009*

**Algebra**

Thanks for helping out I see how this fits on the graph now! So my final answer will be (0,3) {-3/7,0}?
*March 2, 2009*

**10th grade math**

3a²-a-4=0 solving for the roots,
*February 21, 2009*

**math, solving roots**

4x²-25=0
*February 21, 2009*

**Word Problem**

So then the answer would be x > 15? Thanks!
*February 18, 2009*

**Word Problem**

Photography reprints cost $0.52 each at a local photo shop. Through the mail, they cost $0.44 each plus $1.20 postage and handling. How many reprints must a customer purchase to make it less expensive to use mail order? Thanks!
*February 18, 2009*

**Algebra**

Are you a math teacher by any chance?
*February 18, 2009*

**Algebra**

Would (2,1) (3,5) (4,9) work to make this true? 4x - y = 7? X representing the first number in the pair, and y the second? Thanks!
*February 18, 2009*

**Algebra**

I need 3 ordered pairs of points that would be solutions to this equation I have an idea of what suppose to fit because I think this equation has infinate solutions. What do you all think. Thank you! 4x - y = 7
*February 18, 2009*

**Alegebra**

For a science project, Tyronce is misxing a solution that is 6 parts of sugar to 25 parts of water. How would you wirte this as a decimal
*February 17, 2009*

**math**

can two different sqaures have the same perimeter
*February 16, 2009*

**Chemistry**

At the point of freezing when the temprature has plateaued and there is an equilibrium between the liquid and solid phases which phase, solid or liquid contains the greater amount of energy? In short, when the temperature of both the liquid and the solid are the same which ...
*February 16, 2009*

**Chemistry**

When the solid and liquid phases are in equilibrium, which phase, solid or liquid, contains the most amount of energy (kenetic energy is the same)? Also, what is the difference between the melting and freezing of a substance?
*February 16, 2009*

**Economics**

Why are the multiplier and MPS inversely related? If net exports increase, is this a leakage or an injection?
*February 7, 2009*

**Chem Help**

35 C
*January 31, 2009*

**social studies**

who was moses austin?
*January 29, 2009*

**math**

write a word problem involving the number of pages in a book. then write the numerical expression that you would need to use to solve your problem.
*January 26, 2009*

**calculus**

A question on my math homework that I can't seem to solve... Rotate the region bounded by y=x^2-3x and the x-axis about the line x=4. Set up the integral to find the volume of the solid. I'm pretty sure that the integral is in terms of (dy), and has bounds of 0-4. ...
*January 24, 2009*

**social studies**

what roles did women play in medieval times?
*January 22, 2009*

**physics**

Astonomers discover a new planet orbiting a fixed point in space, but for reasons unknown, they can't directly observe a star where one is expected. The radius of the orbit is measured to be 1.85 x 10^8 km, and the lone planet completes an orbit once every 530 days. a.) ...
*December 16, 2008*

**physics**

Assuming Earth behaves as a perfect sphere with a radius of 6380 km, the standard gravitational acceleration,g, at sea level has a value of 9.80 m/s^2. a.) As Earth rotates on its axis, objects at the equator experience a slightly different value of g due to additional ...
*December 16, 2008*

**physics**

The mean distance of the planet Neptune from the Sun is 30.05 times the mean distance of Earth from the Sun. a.) Determine how many Earth-years it takes Neptune to orbit the Sun. b.) The mass of teh Sun is 1.99 x 10^30 kg, and the closest distance of Neptune from the Sun is 4....
*December 16, 2008*

**physics**

The moon is receding from the Earth by approximately 3.8 cm per year. Earth's mass is 5.98 x 10^24 kg, and its radius is 6.38 x 10^6 m. The Moon's mass is 7.3 x 10^22 kg, its radius is 1.79 x 10^6 m, and its orbital period around Earth is 27.3 days. The current average...
*December 16, 2008*

**science**

What are at least three attributes that distinguish a mold from a fungus?
*December 12, 2008*

**Physics**

i know this is alot to ask for but these 10 i can nott get out of the 30 A man pulls a 10-kg box across a smooth floor with a force of 71 newtons at an angle of 23 degrees and for a distance of 97 meters. How much work, to the nearest joule, does he do...
*December 10, 2008*

**Physics**

A man pulls a 10-kg box across a smooth floor with a force of 71 newtons at an angle of 23 degrees and for a distance of 97 meters. How much work, to the nearest joule, does he do?
*December 10, 2008*

**algebra**

{x|X is a natural number less than 1}
*December 10, 2008*

**USHistory**

I dont understand the Kentucky VA resolutions were madiosn and jefferson in accordance with e.a??
*December 9, 2008*

**USHistory**

I dont understand the Kentucky VA resolutions were madiosn and jefferson in accordance with e.a??
*December 9, 2008*

**history**

The Division of Buddhism: Theravada and Mahayana Buddhism Buddhism, the religion was born in India in the sixth century, with wide spread over a large part of Asia and many parts of the world. After the death of the Buddha, the Buddhist communities of their own have been met ...
*December 5, 2008*

**Math**

Ed's distance to the mirror is 12ft The distance from the lighthouse to the mirror is 100ft. The distance of Ed's eyes to the ground is 5ft. What is the scale factor and how tall is the lighthouse?
*December 3, 2008*

**11th grade**

why did the religons of buddhism and christianity spread when and as it did in africa during 300 bce?
*December 2, 2008*

**MATH**

WHAT MULTIPLICATION FACT CAN BE FOUND BY USING THE ARRAYS FOR 2X9 AND 5X9?
*November 24, 2008*

**Calculus**

the function of f(x) = x + sin (x) on the interval [0,b] i have to find b. two values of c that are given are (4.6658, 1.6174) that satisfy the mean value theorem on [0,b] i got b as +/- 3.29 but it has to be an integer so i think that's wrong. ' can someone please ...
*November 23, 2008*

**drown**

3b+2=6(3-b)
*November 19, 2008*

**calculus adn geometry**

Wait, why are you substituting what b equals into the original equation... How does that even help you in the first place?
*November 18, 2008*

**Science**

I need information on daphnia please
*November 13, 2008*

**3rd grade**

Yes, because multiplication needs to have equal groups. Cheer!
*November 12, 2008*

**history**

How did the civil rights movement change in the mid-1960’s
*November 10, 2008*

**History**

Why did relations between the United States and the USSR deteriorate after WWII?
*November 10, 2008*

**HISTORY**

Why did Truman decide to use the atomic bomb against Japan?
*November 10, 2008*

**math**

Thank you for your help. I have one question. How did you get .75 from t+1?
*October 31, 2008*

**math**

In the xy-plane, line l passes through the origin and is perpendicular to the line 4x+y=k, where k is a constant. If the two lines intersect at the point (t,t+1), what is the value of t? I tried drawing a picture of the problem described above, but I don't understand what...
*October 31, 2008*

**Calculus**

position function is x(t)=(t-1)^3 (2t-3) how do you find the velocity of the particle at nay time when t is greater or equal to 0? i got the derivative equation (6t-9)(t-1)^2 + 2(t-1)^3 but that is for all t.
*October 28, 2008*

**Calculus (Answer Check)**

A particle moves along the x-axis so that its velocity at time t, 0(less than or equal)t(greater or equal to)5 is given by v(t)=3(t-1)(t-3). at time t=2 the position of the particle is x(2)=0. 1. find the minimum acceleration of the particle 2. find the total distance traveled...
*October 27, 2008*

**Calculus (Answer Check)**

A particle moves along the x-axis so that its velocity at time t, 0(less than or equal)t(greater or equal to)5 is given by v(t)=3(t-1)(t-3). at time t=2 the position of the particle is x(2)=0. 1. find the minimum acceleration of the particle 2. find the total distance ...
*October 27, 2008*

**Calculus (Answer Check)**

Are my answers right? If they are wrong you dont have to tell me how to do it its okay =) A particle starts at time t=0 and moves along the x-axis so that its position at any time t(greater or equal to) 0 is given by x(t)=(t-1)^3 (2t-3) 1.find the velocity of the particle at ...
*October 27, 2008*

**math**

a man is building a studio that has a circular base. the interior of studio has a diameter of 40 feet. what is the area of the floor space?
*October 26, 2008*

**5th grade social studies**

Forest,rivers,mountains,and oceans because they grow vegetables and drink water
*October 23, 2008*

**5th grade social studeis**

What types of geographical features helped settlements grow and succed.why?
*October 23, 2008*

**math**

skip counting on the hundred chart the question is What patterns do you see with skip counts by 10's and 3's?
*October 22, 2008*

**8th grade**

Speculate about how the invention of the microscope might have helped doctors to understand what caused diseases?
*October 21, 2008*

**physics**

A boxcar of mass 200 tons at rest becomes uncoupled on a 2.5 degree grade. If the track is considered to be frictionless, what speed does the boxcar have after 10 seconds?
*October 20, 2008*

**english**

One of the two passages below follows the old-new contract. Identify it. I think it is passage one can anyone help verify if I am correct 1. The old/new contract is another principle for writing clear closed-form prose. Beginning your sentences with something old – ...
*October 19, 2008*