Tuesday

October 21, 2014

October 21, 2014

Number of results: 96,098

**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*

**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*

**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**

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*

**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*

**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*

**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**

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*

**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*

**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*

**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*

**statistics**

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

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**URGENT MATH**

The population of town A increases from 1,346 to 1,500. In the same period, the population of town B increases from 1,546 to 1,800. a. Find the percent of increase in population for town A and for town B. b. Which town had the greater percent of increase? (3 points) I don't ...
*December 16, 2012 by Gabby*

**Physics Last Question HEEEELLLPPP !**

#1 The internal energy of the gas in a gasoline engine’s cylinder decreases by 295 J. If 47.0 J of work is done by the gas, how much energy is transferred as heat? #2 If an ideal gas does work on its surroundings: a. The internal energy of the gas increases b. The volume of ...
*December 12, 2010 by Jarrid*

**Marcoeconomics**

According to the formula, Bond price= y/r so bond price has a inverse relationship with interest rate.i.e. interest rate increases, bond price decreases. But why does it contradict with this demand-supply anysis: r(interest rate increases)--> returns from buying bonds ...
*February 15, 2009 by David*

**insulin - food intake**

Through which mechanism does insulin affect food intake? a. it enables the intestines to digest certain types of protein that they would not otherwise be able to digest b. it increases the percentage of each meal that is stored as fats c. it increases the sensitivity of the ...
*October 22, 2007 by Melissa*

**insulin-food intake**

Through which mechanism does insulin affect food intake? a. it enables the intestines to digest certain types of protein that they would not otherwise be able to digest b. it increases the percentage of each meal that is stored as fats c. it increases the sensitivity of the ...
*October 22, 2007 by Melissa*

**insulin-food intake**

Through which mechanism does insulin affect food intake? a. it enables the intestines to digest certain types of protein that they would not otherwise be able to digest b. it increases the percentage of each meal that is stored as fats c. it increases the sensitivity of the ...
*October 23, 2007 by Melissa*

**chemistry**

The temperature of a substance ____ as its heat of fusion is added to melt the substance A. increases B. decreases C. remains constant D. fluctuates from rapid increases and decreases
*September 14, 2014 by Emiko*

**chemistry**

the temperature of a substance ____ as its heat of fusion is added to melt the substance A. increases B. decreases C. remains constant D. fluctuates from rapid increases and decreases I think it's C
*September 16, 2014 by Hideko*

**Science**

Does intensity increase as amplitude increases? (in reference to SOUND WAVES) Or does it decrease? I'm so confused now. I wrote that loudness, energy and intensity inreases as amplitude increases. Am I right? thank you.
*November 9, 2011 by Lola*

**science**

An element emits one alpha particle, one positron, and three beta particles. Its atomic number.... decreases by 2 decreases by 1 stays the same increases by 1 increases by 2
*August 6, 2012 by Jan*

**physiology**

When the amount of sodium ion in extracellular fluid INCREASES: a) ADH secretion decreases b) there is a decreased thirst c) there is an increase in teh volume of urine produced d) osmoreceptors are stimulated e) aldosterone secretion increases study guide question thank you a
*December 11, 2006 by pbear*

**Math**

The population of town A increases from 1,346 to 1,500. In the same period, the population of town B increases from 1,546 to 1,800. a. Find the percent of increase in population for town A and for town B. b. Which town had the greater percent of increase?
*December 13, 2012 by Eric*

**human risk assessment**

The dose for an incremental lifetime cancer risk of 10-6 (a) Increases as the estimated cancer slope factor increases (b) Decreases as the estimated cancer slope factor increases (c) Is independent of the value of the cancer slope factor
*November 3, 2007 by Thano*

**physical Edu**

Identify the effects of MDMA: a. can result in a heat stroke b. can cause dehydration c. increases heart rate and blood pressure d. increases feelings of closeness e. all of the above can be effects of MDMA use. is it C
*June 17, 2012 by Andy*

**ECON**

PLEASE CHECK AND CORRECT MY ANSWERS!!!! MRTS = marginal rate of technical substitution RTS = returns to scale MP = marginal product Suppose the production function is Cobb-Douglas and f(x1, x2) = [x1^(1/2)][x2^(3/2)]. (Note: x1 and x2 are variables). a) Select an expression ...
*October 14, 2009 by Anonymous*

**Chemistry**

H2(g) + I2(g) 2 HI(g) The forward reaction above is exothermic. At equilibrium, what happens if I2 is removed from the reaction mixture at constant temperature and volume? The reaction absorbs energy. The reaction releases energy. [H2] increases. [H2] decreases. [H2] remains ...
*September 19, 2010 by Megan*

**Algebra**

Which of the following statements is the best description of exponential decay? A. Exponential behavior occurs when a function increases at a rate of increasing value. B. Exponential behavior occurs when a function increases at a rate of decreasing value. C. Exponential ...
*June 27, 2014 by Emma*

**College Physics**

If the voltage across an ohmic resistor is quadrupled, the power expended in the resistor increases by a factor of 4. decreases by a factor of 4. increases by a factor of 16. none of the preceding
*February 6, 2010 by Lanise*

**Math**

1. A 16-team bowling league has 800,000 to be awarded as prize money. If the last-placed team is awarded 12,500 in prize money and the award increases by a constant amount for each successive finishing place, how much will the first-placed team receive? 2. In Museum A, a stamp...
*October 1, 2014 by Erin*

**algebra**

suppose the length of a rectangle increases,but the perimeter remains at 70 feet. How does the width change? Either the width increases, decreases or remains the same. Which of these three choices makes the most intuitive sense? We know perimeter = 2(length +width) If ...
*September 12, 2006 by christine*

**increasing and decreasing intervals**

Have to find the intervals on which f(x) = 4 - sqrt(x+2) is increasing. Also the intervals on which the function is decreasing. TIA Find the derivative of f(x). When the derivative is positive, the function increases as x increases. When the derivative is negative, the ...
*November 5, 2006 by Jen*

**Science 8**

Kinetic energy increases as a. mass increases and velocity decreases b. mass decreases and velocity increases c. both mass and velocity increase d. both mass and velocity decrease
*April 12, 2013 by Anonymous*

**Chemistry**

N2+3H2<--->2NH3 Decreasing nitrogen: Increases or decreases hydrogen? Increases or decreases ammonia? Decreasing hydrogen : Increases or decreases nitrogen? Increase or decreases ammonia?
*December 5, 2013 by Anonymous*

**Chemistry**

Which trends are observed when the elements in Period 3 on the Periodic Table are considered in order of increasing atomic number? (1) The atomic radius decreases, and the first ionization energy generally increases. (2) The atomic radius decreases, and the first ionization ...
*November 6, 2007 by John*

**Statistics**

Trying to finish an assignment: What happens to the power of the z test when the standard deviation increases? and Is the shape of a sampling distribution always the same as that of the null hypothesis population? Thanks! As the SD increases, the exactness of the estimate of a...
*December 27, 2006 by Cheri*

**biology**

A sceitists gradually increases the amount of carbon dioxide available to a plant. The plant's rate of photosynthesis increases at first, but then levels off. What else might tyhe plant need to further increase its rate of photosnthesis?
*June 14, 2010 by hudi udman*

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