Tuesday

March 31, 2015

March 31, 2015

Number of results: 107,289

**math**

in scatterplot comparing x and y, the y-values are along the vertical axis. the line of the best fit is horizontal. which statement best describes relationship between x and y? a)as x increases y increases b)as x increases y decreases c)as x increases y stays the same d)as y ...
*March 27, 2009 by vernee*

**Another graph**

How do I make a graph of f'(-1) = f'(1) = 0, f'(x) > 0 on (-1,1), f'(x) < 0 for x < -1, f'(x) > 0 for x >1 Thanks. if the derivative is postive on -1 to 1, you have a curve that shope upward as x increases. If the derivative is zero at -1, and 1, thekn at -1 the...
*November 3, 2006 by Jen*

**Statistics**

As x increases, does the value of r imply that y should tend to increase, decrease, or remain the same? Explain. ( Since r is zero, as x increases, y decreases. Since r is negative, as x increases, y remains the same. Since r is negative, as x increases, y decreases. Since r ...
*June 24, 2010 by alex*

**Chemistry**

What happens to these physical properties as the strength of intermolecular forces increases? My answers are there as well but its not correct Increase or decrease? a) melting point - increases b) vapor pressure-increases c) boiling point- increases d) viscosity - decreases e...
*May 11, 2009 by Saira*

**chem: equilibrium**

In which direction does the equilibrium shift for the following reaction? SO2(g) + NO2 (g) <-> SO3(g0 + NO(g) + 42 KJ a. temperature increases b. pressure increases c. [SO2] increases d. [NO2] increases e. temperature decreases f. [No] increases Im confused on knowing ...
*May 14, 2012 by bkue*

**economics**

After an unexpected increase in the price of oil, the long run adjustment_____ the price level and_____the unemployment rate as they return to original levels. a- decreases, increases b- increases, increases c- increases, decreases d- decreases, decreases a?
*October 7, 2009 by dave*

**Math. Increases again**

The worlds pop in 1970 is estimated to be 3.7*10^9. The yearly growth rate is approximately 2%. How large would the world's pop be in 1980? Would i use log functions? please help.
*October 13, 2012 by Casey*

**Math**

Hello again! You might see me a lot today. Just a heads up. 1. Which function represents an initial population that increases 22% per year where A represents the initial value and X represents time in years? A. Y=A(0.22)^x B. Y=A(0.68)^x C. Y=A(1.22)^x D. Y=A(1.68)^x This is ...
*February 3, 2015 by Tia*

**econ**

If a person's nominal income increases by 8% while the price level increases by 10%, the person's real income:- a) increases by 2%, b) increases by 18%, c) decreases by 18%, d) decreases by 2%.
*July 27, 2009 by Anonymous*

**statistics**

Is the magnitude of an earthquake related to the depth below the surface at which the quake occurs? Let x be the magnitude of an earthquake (on the Richter scale), and let y be the depth (in kilometers) of the quake below the surface at the epicenter. Suppose a random sample ...
*August 20, 2010 by karen*

**Chem**

Consider the exothermic reaction CoCl42-(aq) + 6 H2O(l) --> Co(H2O)62+(aq) + 4 Cl -(aq). Will the equilibrium concentration of CoCl42- increase or decrease when the following changes occur? (a) HCl is added. increases decreases .(b) Co(NO3)2 is added. increases decreases .(...
*April 19, 2011 by Rebekah*

**physics**

A variable capacitor is connected to an ac source. what effect does decreasing the capacitance have on the reactance and current in this circuit? Reactance Current A) increases decreases b) decreases no change c) decreases increases d) increases increases e) no change no ...
*May 1, 2010 by seema*

**math**

1.As the 1st quantity increases, the 2nd quantity also increases. 2.As the 1st quantity increases, the second quantity decreases.
*February 6, 2013 by charles*

**Math**

How do I solve this equivalent equation? 5x +2 < 17 (again the <is underlined) Do I subtract 2 from each side so it would read 5x < 15 (again the < is underlined) than divide each side by 5 so the x < 3 (again the <is underlined) is the answer? Also, how do I...
*April 9, 2008 by Tyler*

**physics**

A variable capacitor is connected to an ac source. what effect does decreasing the capacitance have on the reactance and current in this circuit? Reactance Current A) increases decreases b) decreases no change c) decreases increases d) increases increases e) no change no change
*May 1, 2010 by seema*

**Math**

Give example of each function: (a) degree 2; two zeros, the function decreases then increases (b) degree 3; three zeros, the function increases, decreases, then increases (c) degree 3; two zeros, the function decreases, increases, then decreases (d) degree 1; one zero, the ...
*April 30, 2012 by tina*

**Math**

Give example of each function: (a) degree 2; two zeros, the function decreases then increases (b) degree 3; three zeros, the function increases, decreases, then increases (c) degree 3; two zeros, the function decreases, increases, then decreases (d) degree 1; one zero, the ...
*April 30, 2012 by tina*

**Pre Calculus**

As x increases from p/4 to 3p/2, the value of sin(x) : A.increases throughout the interval B.decreases at first, then increases C.increases at first, then decreases D.decreases throughout the interval E.none of the above please explain why the answer is as it is, I dont ...
*September 11, 2010 by Jack*

**math**

A company with 364 employees increases its workforce to 455. What is the percent increases in the workforce?
*April 7, 2011 by Ryan*

**Chemistry**

Which of the following statements correctly describes the change which occurs when a liquid vaporizes at its boiling point at a given external pressure. a) The entropy decreases b) The temp increases c) The kinetic energy increases d) The potential energy increases I can't ...
*February 7, 2010 by sh*

**chem please help drbob222**

If the internal energy of an object remains constant, which of the following statements is true regarding the object's potential energy? A. It remains the same when the object's velocity increases. B. It decreases when the object's velocity increases. C. It increases when the ...
*November 17, 2014 by Morgan *

**geometry again again again again**

If angle AFB= 8x-6 and angle BFC= 14x +8, find the value of x so that angle AFC is a right angle.
*September 27, 2009 by Monique N.*

**English**

Hello. Please help me with a few questions. 1) Which is the correct position of "again" in the sentence: "They have (again)gathered (again)at the square (again)"? 2)Does the phrase "the allegations doubt his integrity" have the same meaning as "the allegations question his ...
*May 15, 2011 by Ilma*

**PHYSICS HELP**

If the external world does work on the system, the energy of the system increases , decreases or remains the same? I think it increases. Am I correct? The system increases. Yes, you are correct.
*January 10, 2007 by Pat*

**Science**

Circle one of the following is what the directions state. I think that the answer is increases for all of them but I just want to make sure can someone help me? Cardiovascular activity (increases/decreases) resting heart rate. Cardiovascular activity (increases/decreases) ...
*April 21, 2011 by Anonymous*

**Economics**

In the short run, if the Reserve bank decreases interest rates, then consumption and investment_____, planned aggregate expenditure _____ are short-run equilibrium output_____. A: increase, increases, increases B: increase, increases, decreases C: increase, decreases, ...
*August 15, 2009 by Court*

**chemistry **

1. Ideal gas particles: A. have no mutual attraction and no individual volume. B. have no mass or volume. C. have no odor and no color. D. have no density and do not form bonds. Is it A? 2. Why does the density of gas in a hot air balloon decrease as the gas is heated? A. The ...
*March 18, 2015 by Cortney*

**chemistry**

H2C=CH2(g) + H2(g) C2H6(g) Adding a small amount of platinum powder greatly increases the rate of the reaction above. How might the platinum be affecting the rate of the reaction? (Select all that apply.) 1) It increases the concentration of the reactants. 2) It increases the ...
*November 18, 2010 by nick*

**chemistry**

2 NO2(g) N2(g) + 2 O2(g) The ΔH° for the reaction above is -66.4 kJ. The system is initially at equilibrium. What happens if N2 is added to the reaction mixture at constant temperature and volume? The reaction absorbs energy. The reaction releases energy. [NO2] increases...
*September 19, 2010 by Megan*

**chemistry**

Which of the following is true regarding the solubility of gases in liquids? Question 4 options: Solubility decreases as temperature increases. Solubility increases as temperature increases. Solubility is unaffected by changes in temperature. None of the above
*October 30, 2014 by Travis*

**Physics**

I just wanted to clarify anwsers. Question 23. Nucleotides contain phosphate groups bonded to the.. A) C3' or c5' atoms B). C3 or C3' atoms C). N1 or N9 Atoms D). C3 or N9 atoms E). C3 or C5 atoms The anwser that I chosen in A. QUESTION 19. When the hydrogen ion concentration ...
*October 1, 2009 by james*

**math**

Hi, I had a question about exponential growth. The problem says: The population in Woonsocket is 43,500. Every year the population increases by 2%. Write the exponential equation that represents this situation. I put that the equation was 43,500 (1+.2)^y (y standing for how ...
*March 4, 2008 by Juliana*

**science**

Wax is coated on the inner wall of a capillary tube and the tube is then dipped water. Then, compared to the unwaxed capillary, the angle of contact theta and the height h Upto which water rises change. These changes are: 1)Theta increases and h also increases 2)Theta ...
*August 24, 2013 by nalin*

**biochemistry **

I just wanted to clarify anwsers. Question 23. Nucleotides contain phosphate groups bonded to the.. A) C3' or c5' atoms B). C3 or C3' atoms C). N1 or N9 Atoms D). C3 or N9 atoms E). C3 or C5 atoms The anwser that I chosen in A. QUESTION 19. When the hydrogen ion concentration ...
*October 2, 2009 by james*

**Summer School Calculus**

Another one for you :P, add these two vectors using trigonometry (again)... 9N[S2W] and 11N[N31W]...Again, I am confused about the angles, I am not sure what value I should use for the cosine and sine law. THANKS AGAIN!!
*June 29, 2008 by Derek*

**statistics**

For a given level of significance, the critical value of Student's t increases as n increases.
*January 14, 2009 by PAM*

**Math**

I am very sorry but I was wrong with the problem. The math problem is: 9 / (3.6-2.1) Thank you Anonymus for your answer but I want the problem that I wrote above. If you help me again pleaseeeeeeeee. I don't know how to resolve this. Thanks again.
*August 25, 2011 by Veronica*

**physics**

As the period of a wave increases, the frequency increases true or false?
*December 9, 2007 by taylor*

**differential calculus**

Find how fast (a) the circumference (b)the area, if a cicle increases when the radius increases.
*July 27, 2011 by wen*

**Physical Science**

Using the kinetic theory, explain why the pressure of a gas increases when its temperature increases.
*February 13, 2008 by Wally*

**Macroeconomics**

if investment increases by $100 and, as a result, GDP ultimately increases by $200, the multiplier equals?
*May 24, 2011 by Leonard*

**Statistics**

True or False As sample size increases, the value of the standard error also increases.
*December 12, 2013 by Lyndyc*

**Chemistry**

using kinetics explain: a.the increasing of concentration of reactants increases the rate of reaction. b.the addition of a catalyst increases the rate at which a reaction will take place. c.and increase in temperature increases reaction rate. d.a catalyst grounded into powder ...
*March 3, 2008 by Chuck*

**Statistics**

. As the sample size increases The confidence interval also increases (gets larger) The confidence interval decreases (gets smaller) The confidence interval stays the same The population mean increases.
*June 22, 2010 by Jacob*

**Econ**

As the interest rate increases, the opportunity cost of money: A. Increases for both lender and borrower. B. Increases for the borrower but not the lender. C. Decreases for both lender and borrower. D. Decreases for the borrower but not the lender. My answer - D (Because, As ...
*December 12, 2007 by Psharp*

**math**

When a person is swinging the amplitude (the swings"s distance above it's rest position) increases with each pump. According to Scientific magazine the amplitude increases by adding a constant when the person pumps sitting down, and by multiplying by a constant when the person...
*April 27, 2012 by John*

**chemistry**

what would happen to the volume of the 100-L weather balloon if its temperature increases from 25 degrees Celsius to 125 degrees Celsius while the external pressure remains constant? Again, there are no leaks in the balloon.
*March 28, 2011 by jacques shaw*

**7th Grade Help**

If the temperature increases in a sample of gas at constant volume, then its a. volume increases b. pressure decreases c. pressure increases d. volume decreases Plz help me, I don't know it.
*September 8, 2012 by completeidiot*

**Math**

Solve the system by graphing by any method of your choice. 3x-y=1 or y=3x-1 3x-y=2 y=3x-2 (0,-1),(2, 5)and(0,-2),(-2,4) Solution is Consistent, lines intersect at (-1/4, -5/4). Above is my answer but I keep coming back to this again and again. Am I missing something? I solved ...
*May 20, 2007 by Amanda*

**high school**

in an inverse relationship, when one variable _______, the other increases. A. is not affected B. stays the same C. increases D. decreases
*January 25, 2010 by Anonymous*

**math...**

how can I tell if a sequences is airthmetic, geometric or neither? determine the first three terms of each and determine if each are airthmetic, geometric or neither. 1) tn=5t n-1+ 3 wheret 1=2 first three terms: 3,13,23 airthmetic 2)t(n)= -3(4)^n first three terms:-12,-48,-...
*October 18, 2006 by GEORGE!*

**English**

1. Can we meet again one day? 2. Can we meet again oneday? 3. Can we meet again some day? 4. Can we meet again someday? (Which ones are grammatical? Which one is commonly used? Thank you. Have a good day!)
*December 14, 2011 by rfvv*

**Chemistry**

Hi! I have another question. So 1 kcal of heat is added to 1.5 L of oxygen in a container at constant pressure. (1atm). Then volume increases to 3.1L. they want to know total energy change. Now i think the formula is DH=DU + PDV so what i did was DH = 1 kcal + 1atm(3.1-1.5) = ...
*June 10, 2009 by Dave*

**Chemistry**

Hi! I have another question. So 1 kcal of heat is added to 1.5 L of oxygen in a container at constant pressure. (1atm). Then volume increases to 3.1L. they want to know total energy change. Now i think the formula is DH=DU + PDV so what i did was DH = 1 kcal + 1atm(3.1-1.5) = ...
*June 10, 2009 by Dave*

**Chemistry**

Hi! I have another question. So 1 kcal of heat is added to 1.5 L of oxygen in a container at constant pressure. (1atm). Then volume increases to 3.1L. they want to know total energy change. Now i think the formula is DH=DU + PDV so what i did was DH = 1 kcal + 1atm(3.1-1.5) = ...
*June 11, 2009 by Dave*

**Economics & Statistics **

In the least squares equation, Ŷ = 10 + 20X the value of 20 indicates ____________. The Y-intercept increases by 20 units for each unit increase in X That Y increases by 20 units for each unit increase in X That X increases by 20 units for each unit increase in Y The ...
*May 8, 2014 by Student5*

**Statistics**

In the least squares equation, Ŷ = 10 + 20X the value of 20 indicates ____________. The Y-intercept increases by 20 units for each unit increase in X That Y increases by 20 units for each unit increase in X That X increases by 20 units for each unit increase in Y The ...
*May 8, 2014 by Student5*

**Macro Economics**

If supply increases and demand increases, the the price must drop while the number of units purchased may remain unchanged. T or F?
*September 10, 2008 by Jim*

**Statistics**

As standard deviation increases, samples size _____________ to achieve a specified level of confidence. A. Increases B. Decreases C. Remains the same
*October 21, 2010 by Daniel*

**Physics**

The intensity level of a sound is reported in unit decibel(dB). how does IL change if we increase a sound intensity by a factor of 10? a)remains the same b) increases by 1dB to 2dB c)it increases by 2dB to 20dB d)it increases by 20dB to 200dB e) it decreases equations... IL=10...
*January 30, 2010 by Brittany*

**Microeconomics**

You are the manager of a California winery. How would you expect the following events to affect the price you receive for a bottle of wine? You may include graphs if they help illustrate your response. a)The price of comparable import wines decreases b)One hundred new wineries...
*May 9, 2012 by Priya*

**8th grade**

Data plotted on a graph results in a line that slopes upward from left to right. This graph tells you that a)when one variable increases, the other variable decreases. or b) when one variable increases, the other variable increases?
*October 11, 2010 by Angelo*

**Chemistry**

Explain the following observation in terms of the collision theory, restricting each to about 25 words. NO(g) + O3(g)--> NO2(g) + O2(g) (a) An increase in temperature increases the reaction rate. (b) Compressing the gases into a smaller volume increases the reaction rate. (...
*January 20, 2011 by Patrick*

**geometry again again again**

Two angles are supplementary. one angle measures 12 degrees more than the other. Find the measures of the angles.
*September 27, 2009 by Monique N.*

**Physics**

(a) If the length of the Achilles tendon increases 0.55 cm when the force exerted on it by the muscle increases from 2200 N to 6000 N, what is the "spring constant" of the tendon? N/m (b) How much work is done by the muscle in stretching the tendon 0.55 cm as the force ...
*June 8, 2012 by Adam*

**Economics**

Could you please check these thanks. Directions: Supply can decrease and increase depending upon several factors. Also you must put if that factor increase/decreases amount of supply, if the supply curves to the left/right, and if the cost to produce is increasing/decreasing ...
*May 11, 2009 by Cathy*

**Math help please**

1. The ordered pairs (0, 1), (1, 4), (2, 16), (3, 64), and (4, 256) represent a function. What is a rule that represents this function? y = 4^x y = 4x y = x^4 y = x + 4 2. Consider the relationship between the height of a tree and time. Time would be considered which of the ...
*November 22, 2013 by Charlotte*

**physics again (check answers please)**

What net force increases a velocity of a car from 20 m/s to 35 m/s in 8.0 s if the mass of the car is 1600 kg? (3000 N). What force would cause the car to stop? (3000N) What coefficient of friction is needed to supply the force of friction? (.0191) are they correct?
*November 8, 2008 by lauren*

**fin 200**

As the time period until receipt increases, the present value of an amount at a fixed interest rate A. decreases. B. increases. C. remains the same. D. Not enough information to tell.
*February 6, 2011 by marie*

**math again**

please help me and thank you. the product of two whole numbers is 48 and their sum is less than or equal to 20.what are all the possiblities for the two whole number? again thank you for helping me :]
*November 13, 2008 by i dont understand!*

**science**

If u use 4 g of calcium carbonate in excess acid,instead of 2 g.They find that the rate of the reaction increases.why the rate increases?
*July 13, 2011 by Nonhlanganiso*

**Finance**

In an amortized loan, the principal portion: increases with every payment and is zero with the last payment. increases with every payment and completely repays the loan with the last payment. increases with every payment but at a decreasing rate. does not change with every ...
*July 7, 2013 by Neisha*

**PHYSICAL SCIENCE**

A SIMPLE MACHINE CAN BE DIVIDED INTO 2 CATEGORIES. WHAT ARE THEY ?? One which increases force, or one which increases distance(or speed).
*April 26, 2007 by BRITTANY*

**Physics**

As the distance between two masses increases, the gravitational force of attraction between them Decreases Increases remains the same
*March 13, 2009 by Jill*

**Business Statistics**

The standard deviation of all possible sample proportions increases as the sample size increases - TRUE OR FALSE
*July 11, 2011 by CS*

**Economics**

GDP=400 Investment decreases by 5 Government spending increases by 25 Consumption increases by 5 MPS=.2 What is the new equilibrium GDP?
*July 8, 2013 by Anonymous*

**economics**

Suppose that when a firm increases output by 20%, long-run total cost increases by 50%. The firm will experience
*August 19, 2012 by Annie*

**Physics**

As the time required to run up the stairs increases, the power developed by that person Increases, decreases, or remains the same. Is the answer decreases?
*October 22, 2009 by Jim*

**Economics**

GDP=330 Government spending increases by 30 Investment increases by 10 Net Exports decreases by 15 MPC=.2 What is the new equilibrium GDP?
*July 8, 2013 by Anonymous*

**Physics Help, Please! **

When a car goes around a curve (without skidding), on a level road, Select one: a. no friction force is needed because the car simply follows the road. b. the friction force of the road on the car increases when the car’s speed decreases. c. the friction force of the road on ...
*November 4, 2012 by Michael *

**dara**

the volume of a cube increases at average of 24cm^3 /min while it's length increases 2 cm/min
*January 18, 2013 by hana*

**Science**

Electrical current generally increases as voltage increases. true false I think this is true?
*April 15, 2013 by Cassie*

**science**

Electrical current generally increases as voltage increases. true false I think it is False..?
*April 15, 2013 by Cassie*

**physics**

15 joules of work are done by forces other than gravity in taking an object from a position 3 m above the ground to a position 8 m above the ground. What is the change in the gravitational potential energy of the object? o A. It decreases by 5 joules. o B. It increases by 5 ...
*October 22, 2009 by roxy*

**science help?**

select the word from the following list to complete this paragraph ,you may use award once,more than once or not at all. (water,clay,sand,increases,decreases,air,permeable,textures) Soil of different..........appear to have differing capacity to retain ........As the ...
*December 3, 2013 by sam ????????????????????*

**Economics**

There is a trade-off between the objective of reducing a trade deficit and the objective of reaching full employment because:(A)Net exports rise as income increases(B)As income increases, the trade deficit rises(C)Imports fall as income increases(D)Fiscal policy and monetary ...
*November 4, 2007 by Sharp*

**Math**

I snap my fingers once. I wait one second and snap them again. I wait two seconds and snap them a third time. I wait four seconds and snap them again. I wait 8 seconds and snap them again. If this pattern continues, how many times will I snap my fingers in a year? Thanks!
*February 4, 2009 by Meg*

**Precalculus **

Which of the following terms increases and then decreases periodically as t increases? A.)6cos(πt/26) B.) πt/26
*August 27, 2010 by Anonymous*

**statistics**

11. Suppose we are estimating m. What happens to the required sample size as the population standard deviation increases while the confidence level and desired margin of error remain constant? A) It increases. B) It decreases. C) It does not change.
*May 8, 2013 by ali awan*

**PHYSICS**

The intensity level of a sound is reported in unit decibel(dB). how does IL change if we increase a sound intensity by a factor of 10? a)remains the same b) increases by 1dB to 2dB c)it increases by 2dB to 20dB d)it increases by 20dB to 200dB e) it decreases equations... IL=10...
*January 31, 2010 by Brittany*

**statistics**

Needing help to get this answer right. _c___ 3. What is the relationship between the alpha level, the size of the critical region, and the risk of a Type I error? a. As the alpha level increases, the size of the critical region increases and the risk of a Type I error ...
*December 29, 2013 by Lyn*

**math**

Consider the initial value problem, f(x,y) = y(18.06 - y), y(0) = 12. The exact solution of the problem increases from y(0) =12 to y = 18.06 as x increases without limit. Determine the minimum upper bound of h for the classical 4th-order Runge Kutta method to be absolutely ...
*September 26, 2012 by enigma*

**math**

how many 5-digit palindromes exist? i get 9*10*10*10*9=81000 is this correct? my thinking being that the first and last digit must be 1-9 and the other 3 0-9. thanks again for the time and effort. oh, and if any of you fine folks have the time could you browse down to my other...
*October 25, 2008 by courtney's dad*

**Reading Comp. **

The modern hearing aid is, essentially, a miniature public-address system, which converts sound into electrical energy and then converts it back to sound again. A hearing aid can increase the sound level by sixty decibels or more, but it also distorts the sound to some extent...
*March 28, 2011 by Arlynn*

**microeconomics: work-leisure model**

Consider the work-leisure model. Assume leisure is a normal good and suppose the wage rate(W) increases, then in this case we will have the following. Substitution effect: W increases => hours of leisure decrease Income effect has TWO components: 1. Ordinary income effect: ...
*October 18, 2009 by Victor*

**Chemistry **

I just want to make sure that D is the correct answer. Each halogen is a diatomic element. However, under normal conditions chlorine is a gas, bromine is a liquid, and iodine is a solid. What is the best explanation for this difference? A. The strength of the covalent bond ...
*March 17, 2015 by Cortney*

**Physics**

A horizontal pipe narrows from a diameter of 10 to 5 cm. For an incompressible fluid flowing from the larger diameter to the smaller: Question 5 options: 1.the velocity and pressure both increase. 2.the velocity increases and the pressure decreases. 3.the velocity decreases ...
*August 10, 2011 by Sonya*

**college algebra**

Identify where f increases and where f decreases. f(x)=5x+3 I think it's (3,5) increases and (3,-2) decreases?
*January 29, 2013 by debbie*

**English**

They are arguing about rules and regulations again. I have to identify the adverb. again
*November 3, 2010 by Jake*

**Chemistry**

1. As the strength of a weak acid increases, the proportion of ions to molescules increases or decreases? ... I think that it will increase. Is this right? 2. As the as the concentration of a weak acid increases, the pH... decreases? Is decreases correct? 3. at the same ...
*May 4, 2012 by April*

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