Wednesday

November 25, 2015
Total # Posts: 610

**biology**

what is the process by which organisms maintain a relatively stable internal environment?
*April 20, 2010*

**biology**

thanks a bunch
*April 20, 2010*

**biology**

How can the level of pain you feel very if a stimulus causes an all-or-none response?
*April 20, 2010*

**Chemistry**

What's the difference between a galvanic and electrolytic cell when trying to find which half-rxn is the anode or the cathode? So like when you have two equations, depending on what kind of cell it's in, how can you tell which one is the anode and which one is the ...
*April 13, 2010*

**Math**

Solve for x: 3^(x+1)=2^x This is what I have so far... (x+1)log3 = xlog2 ...and now I'm stuck. Help plz? Thanks!
*April 11, 2010*

**math**

Where does the graph y=4x 11 cross the y-axis?
*April 6, 2010*

**algebra**

Provide an example of at least five ordered pairs that do not model a function. The domain will be any five integers between 0 and 20. The range will be any five integers between -10 and 10.
*March 30, 2010*

**Statistics for Decision**

A student conduct a study and reported that 95% confidence intervak for themean ranged from 46-54. He was surethat the mean of the sample was 50,that the standard deviation of the sample was 16and that the sample was atleast 30 but could not remember exact number. can you help me
*March 27, 2010*

**spanish**

what does "si no sabes la hora de un programa, ¿què haces?" mean and how would you answer that question?
*March 23, 2010*

**Math**

thanks Damon
*March 21, 2010*

**Math**

An auditorium has 30 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium My answer is 1170 but the way I figured out the problem was by listing numbers 1-30. the problem state that the 1st row had ...
*March 21, 2010*

**Polish School**

hey I need help. Can you finish this sentance, using one of these words? Words powstanie niepodleg³oœci rosyjskim emigracji 1863 Sentance: W XIX wieku Polacy podejmowali próby odzyskania... Thanks!
*March 15, 2010*

**9th grade**

True or False? in the west indies slaves were sold in exchange for land rights?
*March 7, 2010*

**chem**

my answer is 3.86. I believe my calculation is wrong
*March 4, 2010*

**chem**

calculate the pH for a solution that is made by combining 125ml of 6.0*10-2 M hydroflouric aid with 50 ml of .12 M sodium flouride?
*March 4, 2010*

**math**

rainbow Harbor Cruises charges $16/adult and $8/child for a round trip ticket. The records show that on a certain weekend, 1200 people took the cruise on saturady and 800 people took the cruise on sunday, The total receipte for saturday were $13,600 and the total receipts for ...
*March 3, 2010*

**Math**

I doulbe checked my math several of times just to make sure I gave the correct answer 25.35*25.2= $636.30 2.6*1.9=$4.94 2.8*3.9= $10.92 7.5* 4.9= $36.75 636.30 + 4.94 + 10.92 + 36.75= 688.91 So am I correct, or am I doing something wrong still?
*March 2, 2010*

**Math**

Okay, so after I added up the total sums together i got $688.91 that was spent on the purchase. Is this correct?
*March 2, 2010*

**Math**

A carpenter purchased 25.25 feet of hardwood at $25.20 per foot, and 3 types of trim molding: 2.6 feet $1.90 per foot, 2.8 feet at $3.90 per foot, 7.5 feet at $4.90 per foot. How much did he spend on this purchase?
*March 2, 2010*

**Chem**

Acetic acid has a Ka of 1.8*10-5 acetic acid ten times greater tha acetate acetate ten times greater tha acetic acid acetate=acetic acid what is the expected pH?
*March 2, 2010*

**physics**

i think its D
*February 26, 2010*

**music**

is the answer d. development of themes
*February 11, 2010*

**music**

the ____ is an essential characteristic of sonata form a. sudden crescendo b. absence of harmony c. fluctuation of rhythm d. development of themes
*February 11, 2010*

**music**

i think the answer is b. chamber
*February 11, 2010*

**music**

music to be performed by a small group is commonly known as _____ music a. orchestral b. chamber c. concerto d. sequential
*February 11, 2010*

**music **

i think the answer is c. orderly quality
*February 11, 2010*

**music **

which one of the following terms best describes the music of the classical period a. polyphony b. irregular metrical patterns c. orderly quality d. sudden loud and soft notes
*February 11, 2010*

**music**

i think the answer is a. character
*February 11, 2010*

**music**

________ music is generally associated with nonmusical ideas and objects a. Character b. Program c. Recital d. Literary
*February 11, 2010*

**music**

i think the answer is c
*February 11, 2010*

**music**

the chant was incorporated into several musical works of the romantic period a. kyrie b. agnus dei c. dies irae d. credo
*February 11, 2010*

**music**

i think the answer is a. one
*February 11, 2010*

**music**

how many movements are there in a tone poem a. one b. two c. three d. four
*February 11, 2010*

**music**

i think the answer is d. pedals
*February 11, 2010*

**music**

piano music of the romantic period frequently relies on the use of the a. staccato b. reed c. manuals d. pedals
*February 11, 2010*

**music **

i think the answer is b. emotional
*February 11, 2010*

**music **

the music of the romantic era is typically very a. intellectual b. emotional c. scientific d. unimaginative
*February 11, 2010*

**music**

i think the answer is d. literary
*February 11, 2010*

**music**

music is generally associated with nonmusical ideas and objects a. character b. program c. recital d. literary
*February 11, 2010*

**music**

i think the answer is d. optimstic
*February 11, 2010*

**music**

the music of brahms is often describe as a. negative b. dissonant c. disorganized d. optimistic
*February 11, 2010*

**music **

i think the answer is a. prelude
*February 11, 2010*

**music **

a short musical form written especially for the piano is called a a. prelude b. berceuse c. character d. waltz
*February 11, 2010*

**music**

the is an essential characteristic of sonata form a. sudden cresendo b. absence of harmony c. fluctuation of rhythm d. development of themes
*February 10, 2010*

**music**

in a group that plays chamber music, how many instruments will play each part a. one b. two c. three d. four
*February 10, 2010*

**music**

is it c. orderly quality
*February 10, 2010*

**music**

is it a. polyphony
*February 10, 2010*

**music**

which of the following terms best describes the music of the classical period. a. polyphony b. irregular metrical patterns c. orderly quality d. sudden loud and soft notes
*February 10, 2010*

**music**

the is an essential characteristic of sonata form
*February 10, 2010*

**music**

which one of the following terms best describes the music the classical period
*February 10, 2010*

**business**

its 44.1 million
*February 5, 2010*

**physics**

I'm having a really hard time with this physics problem...not really sure where to begin or which equation to use....please help: You are assigned the design of a cylindrical, pressurized water tank for a future colony on Mars, where the acceleration due to gravity is 3.71...
*January 29, 2010*

**mathematics**

Question # 1: A series is: 1. any list of numbers 2. a summation of quantities whose positions are based upon the natural numbers 3. an arrangement of quantities whose positions are based upon the natural numbers. Which number is it? Question # 2: For the rule of 78, for a 12 ...
*January 27, 2010*

**English**

Why is it that in today's working world being able to write well and to use grammar correctly are so important?
*January 26, 2010*

**Math**

question 1: A series is: 1. any list of numbers 2. a summation of quantities whose positions are based upon the natural numbers 3. an arrangement of quantities whose positions are based upon the natural numbers. Which number is it? question 2: For the rule of 78, for a 12 ...
*January 26, 2010*

**finance**

Century Corporation uses a continuous billing system that results in average dialy receipts of $600,000. The company treasurer estimates that a proposed lock-box system could reduce its collection time by 2 days. a. How much cash would the lock-box system free up for the ...
*January 19, 2010*

**Math **

THank you so much
*January 18, 2010*

**Math **

According to the U.S Bureau of Census in the year 1850 the population of the US was 23,191,876 in 1900 the population was 62,947,714 A. Assuming that the population grew exponentially during the period compute the growth constant k. B. Assuming continued growth at the same ...
*January 18, 2010*

**biology**

In this organelle, carbon dioxide and water are converted to _________ and oxygen
*December 15, 2009*

**maths**

using the mean valiue thereom on f(x)=arcsin(x), show that x< arcsin(x)< x/(sqrt1-(x^2)) for 0<x<1
*December 9, 2009*

**healthcare**

suffereing from tetanus
*December 5, 2009*

**Chemistry**

btw my guess for the second one was d.
*November 30, 2009*

**Chemistry**

Sodium Chloride is the LEAST soluble in which of the following liquids? a. H2O b. CCl4 c. HF d. CH3OH e. CH3OOH I know NaCl is a polar molecule...and a dipole-dipole IMF bond? My guess is b because it's nonpolar and I think it's a London Dispersion IMF. Is this right? ...
*November 30, 2009*

**Chemistry**

Complete the reaction: Methanol and propanoic acid are mixed. Okay, I got the two formulas: CH3OH + CH3CH2COOH ---> ??? ...now I don't know what to do. Lots of CH3's and CH2's. Help? Thanks!
*November 28, 2009*

**AP Chemistry**

A 25.0g sample of glucose, C6H12O6, dissolves in 525mL of distilled water. a. what is the boiling point elevation of the solution over the pure solvent? b. At what temperature will the solution boil at sea level? --- I'm not a fan of these types of questions. This is the ...
*November 23, 2009*

**Math**

Determine an equation of the circle that is tangent to both axes, has its center in the fourth quadrant and passes through the point (8, -9). Help please? Thanks much!
*November 14, 2009*

**Malgebra**

dont know
*November 11, 2009*

**english/ global**

What's the word when someone believes in more than one religion? -Like someone who believes in Buddhism and Confucianism at the same time.
*November 11, 2009*

**Chemistry**

I need some help with net ionic equations. I can do single replacement, double replacement, etc., but I don't get stuff like gas forming-reactions or the trends when stuff like a strong acid and water are the reactants. Examples: 1. Moist sodium hydroxide reacts with ...
*November 7, 2009*

**Physics**

A sled is dragged along a horizontal path at a constant speed of 1.5m/s by a rope that is inclined at an angle of 30 degrees with respect to horizontal. The total weight of the sled is 470N. The tension in the rope is 240N. How much work is done by the rope on the sled in a ...
*November 7, 2009*

**Physics**

A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. An 850-kg helicopter rises from rest to a speed of 6.9 m/s in a time of 3.8 s. During this time it climbs to a height of 9.4 m. What is...
*November 2, 2009*

**Physics**

An 825-kg race car can drive around an unbanked turn at a maximum speed of 59 m/s without slipping. The turn has a radius of curvature of 135 m. Air flowing over the car's wing exerts a downward-pointing force (called the downforce) of 2700 N on the car. a) What is the ...
*October 29, 2009*

**English**

"My hand was positioned as if I was holding an orange to the piano, just as she said." Is it "I was" or "I were"? People normally say "I were", but I don't know if that's actually grammatically correct. Thanks!
*October 21, 2009*

**Chemistry**

I need some help with writing reactions. I have the following to write out: a. the hydration of copper sulfate b. the reaction of liquid sulfuric acid to form aqueous sulfuric acid c. the reaction of calcium oxide w/ water to form calcium hydroxide For a, I know copper sulfate...
*October 4, 2009*

**Physics (repost)**

(I'll try to describe this the best I can, it's a little hard without showing a picture) This question deals with projectile motion: An archer is standing 150 meters above another archer 450 meters away [so visually the 150m and 450m make the right angle]. The archer ...
*September 27, 2009*

**Physics**

(I'll try to describe this the best I can, it's a little hard without showing a picture) This question deals with projectile motion: An archer is standing 150 meters above another archer 450 meters away [so visually the 150m and 450m make the right angle]. The archer ...
*September 27, 2009*

**math**

g(x) = abs(f(x)) [abs = absolute value] How exactly do I explain this transformation? I don't think "y-values turn positive, matching x-values of f" works very well. An example of another transformation: g(x) = 3f(x) ~Vertical dilation by a factor of 3. So how do...
*September 20, 2009*

**finance**

14. Lear, Inc., has $800,000 in current assets, $350,000 of which are considered permanent current assets.
*September 20, 2009*

**U.S. History**

What exactly were the colonists' reactions after the King issued the Proclamation of 1763? I know "shocked" and "feeling like they can't doing anything without England stepping in" are the obvious ones, but was there anything really specific? On the...
*September 19, 2009*

**finance/math**

N-84 (7*12) I\Y-12% P\Y-1 C\Y-1 PV-(8000) PMT-0 FV-108,994,326 I think you do it this way but the number is too big...
*September 6, 2009*

**Chemistry**

why are diamond tips used on industrial drills?
*September 6, 2009*

**algebra**

my teacher wants us to do problems 1-99 in our books, he wrote it on the board like this; "EEO #1-99" what dose EEO mean?
*August 26, 2009*

**Math**

Graph and identify the kind of conic the graph represents: a. x(t)=3 cos t y(t)=3 sin t on [0,2pi] b. x(t) =2 cos t y(t) =5 sin t on [1,5] I tried graphing A on my TI-89 calculator as y(1)=3 cos x and y(2)=3 sin x. All I see are two wave-like graphs crossing each other; I don...
*August 11, 2009*

**Math (repost)**

Graph x = y^2-6y+11 a. In function mode using two functions b. In parametric mode I already figured out how to graph it in functions, which is +/-sqrt(x-2)+3. The graph is a sideways parabola in the first quadrant opening to the right. I have no idea on how to come up with ...
*August 9, 2009*

**math**

Graph x = y^2-6y+11 a. In function mode using two functions b. In parametric mode I already figured out how to graph it in functions, which is +/-sqrt(x-2)+3. The graph is a sideways parabola in the first quadrant. I have no idea on how to come up with parametric equations for...
*August 9, 2009*

**Math**

Thanks! That really helps. However, what about the Cartesian equation? Am I on the right track with that?
*August 9, 2009*

**Math**

(With a TI-89 calculator) Graph x(t) = 3t^2 and y(t)=2-2t on [0,1]. Write a Cartesian equation that models this graph. Identify the initial and terminal points. I graphed both equations, but I didn't really get what [0,1] meant. I think it's an interval. Also, with the...
*August 9, 2009*

**Technology in Health Services**

Imagine you work for a health care or human service organization that does not use an intranet. Write a proposal to management that lists the elements of an effective intranet, why each element is important, and the benefits of building an intranet as opposed to only using the...
*June 7, 2009*

**pronoun case**

Which is proper english and why? 20a. My best friend and I are going to Hawaii this summer. 20b. My best friend and me are going to Hawaii this summer.
*May 22, 2009*

**literature**

The Call of the Wild, the supplies brought on the sled of Hal, Charles, and Mercedes, taken symbolically, represent A. their defining success in terms of possessions. B. life triumphing over death. C. an idealistic lust for life. D. an effort to bring civilization with them.
*May 19, 2009*

**science**

according to scientific hypothesis, how were earth's oceans formed? when do scientists hypothesiz they formed?
*April 6, 2009*

**medical terminology/biochemistry**

To fully eliminate all infectious microorganisms, which of the following measures must be used? A. Cleaning B. Washing C. Disinfection D. Sterilization
*March 25, 2009*

**Math**

Which of the following are examples of multiplicative inverses? 1) csc x and sin x 2) tan x and cot x 3) cos^-1 and cos x 4) ln x and e^x A. All of these B. 1 and 2 C. 1,2, and 3 D. 3 and 4 I know it's not all of them...but I'm leaning toward B. Help please? Thank you!
*March 8, 2009*

**Linear Algebra**

In 3-space, a plane abc is spanned by three points a, b, c. The point x does not lie on this plane. I'm trying to find the formulas used to find the point p on abc with minimal distance to x. I know the point p must be perpendicular to the point p and the plane. So, I ...
*March 1, 2009*

**physics**

A sled with a mass of 9.50 kg moves in a straight line on a frictionless horizontal surface. At one point in its path, its speed is 2.80 m/s; after it has traveled 2.50 m beyond this point, its speed is 6.50 m/s. Use the work-energy theorem to find the force acting on the sled...
*February 25, 2009*

**physics**

i still dont understand
*February 25, 2009*

**physics**

A soccer ball with mass 0.410 kg is initially moving with speed 4.30 m/s. A soccer player kicks the ball, exerting a constant force of magnitude 44.0 N in the same direction as the ball's motion. Over what distance must the player's foot be in contact with the ball to ...
*February 25, 2009*

**Math**

How do you figure out the csc(-390deg)? Thank you very much!
*February 25, 2009*

**math**

In a bottling company, a machine can fill a 2-liter (L) bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many 2-L bottles can be filled by the machine in 2 h?
*February 17, 2009*

**English**

What is a unnecessary shift, necessary shift, and a no shift?
*December 4, 2008*