Saturday
October 1, 2016

Posts by Audrey

Total # Posts: 361

Finance
Find the future value one year from now of a $7,000 investment at a 3 percent annual compound interest rate. Also calculate the future value if the investment is made for two years.
January 13, 2012

statistics
Test the hypothesis that for the population of students in this professor's classes each additional homework problem complete leads to an increase of at least 2 points on the quiz versus the alternative that the increase is less than 2 points. Allow for 5% type 1 error. ...
December 11, 2011

Psycholofgy
B is the correct answer. I took a quiz with the exact question and I got the correct answer.
December 6, 2011

Psychology
but the answer is B. you are correct.
December 5, 2011

Psychology
Typically, patterns begin during adolescence or even childhood. They are deeply rooted and usually span many years.
December 5, 2011

Psychology
I would say B delusions: A person holds false beliefs they insist are true, regardless of how much the facts contradict them. Delusion of influence is when people feel they are being controlled or influenced by others or by unseen forces.
December 5, 2011

math- quick help!
The area of the smallest (shaded) square measures 1 square unit. What is the area of the largest square? (there are 7 squares) Please, please, please help me!!!
November 14, 2011

Alegbra
The area of the smallest (shaded) square measures 1 square unit. What is the area of the largest square? (there are 7 squares) Please help me!!!
November 14, 2011

statistics
Using measures of center and measures of variability compare the number of hours on school work (Q11) and the number of hours watching television (Q14). a) Which variable has greater variability? How do you know? b) What number of hours on school work would be at the 10th ...
October 18, 2011

statistics
From the MM207 Student Data Set identify the following: a) A variable measured at the nominal level of measurement. b) A variable measured at the ratio level of measurement. c) A variable measured at the ordinal level of measurement
October 17, 2011

physics
If the force of friction acting on a sliding crate is 79 N, how much force must be applied to maintain a constant velocity? 79N so... What will be the net force acting on the crate? What will be the acceleration?
October 2, 2011

Science
If the force of friction acting on a sliding crate is 79 N, how much force must be applied to maintain a constant velocity?
October 2, 2011

MATH! URGENT!!!
There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in the National Football Conference (NFC). At the beginning of the season, Julia tried to predict the teams that would be in each conference's ...
September 18, 2011

8th grade math
can somebody please help me!?! this is urgent!
September 18, 2011

8th grade math
There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in the National Football Conference (NFC). At the beginning of the season, Julia tried to predict the teams that would be in each conference's ...
September 18, 2011

algebra 1
since you're sampling a fifth of the light-bulbs, then you would times 21 and 5 to get 105 defective light-bulbs
September 18, 2011

MATH
i still don't understand how you got that
September 18, 2011

MATH
There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in the National Football Conference (NFC). At the beginning of the season, Julia tried to predict the teams that would be in each conference's ...
September 18, 2011

MATH
A farmer walks into a store and heads for the counter. On the counter is a basket of hard-boiled eggs. The farmer says to the cashier,"I'll take half of your eggs plus half an egg." The next day he walks in the store and says to the cashier,"I'll take ...
September 5, 2011

math
umm... can you please explain
September 5, 2011

math
A farmer walks into a store and heads for the counter. On the counter is a basket of hard-boiled eggs. The farmer says to the cashier,"I'll take half of your eggs plus half an egg." The next day he walks in the store and says to the cashier,"I'll take ...
September 5, 2011

math
thank you!!!
August 21, 2011

math
3 boxes are in a room. You know that one contains apples, one contains oranges, and one contains both apples and oranges, nut you don't know the contents of the specific boxes. The boxes are labeled, "apples," "oranges," and "apples and oranges,&...
August 21, 2011

math
three boxes are in a room. You know that one contains apples, one centains oranges, and one contains a mixture of apples and oranges, but you don't know the contents of the specific boxes. The boxes are labeled "apples","oranges", and "apples and ...
August 20, 2011

alegbra
2x=x+7
August 10, 2011

Any
Thank you all
August 6, 2011

Any
Anyone know anyone that I could find in the internet who never gives up?
August 6, 2011

Human Relations Part 1
Strong feelings
May 21, 2011

science
how do hurricanes form?
May 18, 2011

Math
1/2= 4/8 if each runner runs 1/8 then there are 4 runners
May 18, 2011

MATH!!!
umm i still don't understand
May 18, 2011

MATH!!!
A cooking pot used in the cafeteria weighs 64 pounds when it is filled with soup. How much would a smilar pot witha scale factor of 1/2 weigh when filled with the same soup? would you just do 64 divided by 2? If not then what do i do?
May 18, 2011

math
A cooking pot used in the cafeteria weighs 64 pounds when it is filled with soup. How much would a smilar pot witha scale factor of 1/2 weigh when filled with the same soup? would you just do 64 divided by 2? If not then what do i do?
May 18, 2011

MATH
make an input-output table for the equation y= -x-2 using the domain 0,1,2 and 3. Tell whether the table represnts a function. How do you do this?
May 18, 2011

MATH
ooohhhhh! I get it now! thanks so much!
May 18, 2011

MATH
wai the height of the pyramid is 3 times the height? Can you just show how you got it with numbers like how you would on a piece of paper. Thanks!
May 18, 2011

MATH
the base of a rectangular prism is congruent to the base of a pyramid. The height of the pyramid is 3 times the height of the prism. Which figure has a greater volume? Explain. I'm terrible with these kind of word problems. If you could explain that would be great.
May 18, 2011

math
can someone please help me!?!
May 18, 2011

math
the base of a rectangular prism is congruent to the base of a pyramid. The height of the pyramid is 3 times the height of the prism. Which figure has a greater volume? Explain. I'm terrible with these kind of word problems. If you could explain that would be great.
May 18, 2011

mAtH
a cylindrical barrel is 2.8 feet in diameter and 8 feet high. If a cubic foot holds about 7.5 gallons of liquid, how manygallons of water will this barrel hold? Aghhhh! I completely don't get it!!
May 17, 2011

MATH
so the answer is 0.817 gallons when you round to the nearest tenth?
May 17, 2011

MATH
There are 231 cubic inches in a gallon. A large juice can has a diameter of 6 inches and a height of 10 inches. How many gallons of juice does the can hold? Round your answer to the nearest tenth. I am clueless please please help me!!!!
May 17, 2011

math
wait then what is the 4 for? please explaina little more
May 17, 2011

math
At the county fair, the apple pies are lined up side-by-side for juding on a 6-foot table. Each pie has an area of 50.24 inches squated. How many pies are on the table? I don't understand how to solve this problem. Please explain and show me how step-by-step. tHANK YOU!
May 17, 2011

math
wait so after you find the areas you subtract the reservoir from the garden to get the answer?
May 17, 2011

math
i am still confused so you find the areas of both circles, but whats the formula? pi times r times 2? please help me!!!!!
May 17, 2011

math
There is a water reservoir beneath a circular garden to supply a fountain in the garden. The reservoir has a 26-inch diameter. The garden has a 12-foot diameter. How much of the garden doesn't contain the water reservoir? I have no idea how to do this please explain!!!
May 17, 2011

math!!
thank you Reiny and Ms. Sue!! I wouldn't be able to make it through my math class without you!
May 17, 2011

math!!
a triangular road sign has a height of 8 feet and a base of 16.5 feet. How much larger in area is this sign than one with a height of 4 feet and a base of 8.25 feet? Please fully explain how you got this cause i'm really confused!!!
May 17, 2011

math
can you answer my question above about the triangular road sign? If you could that would be AWESOME!!!
May 17, 2011

math
thank you soo soo much!!! =)
May 17, 2011

math
wouldn't your width be 6.1 inches?
May 17, 2011

math
a dollar bill has an area of 15.86 square inches. If a dollar bill is 2.6 inches long, how wide is it? Please explain how you got please!!!
May 17, 2011

math
thank you!!!
May 17, 2011

math
i'm rather in a rush so could you please answer my question and explain? thank you
May 17, 2011

math
a triangular road sign has a height of 8 feet and a base of 16.5 feet. How much larger in ares is this sign than one with a height of 4 feet and a base of 8.25 feet? Please explain fully and show how you got the answer.
May 17, 2011

math
thank you very much
May 17, 2011

math
if you could i would ask you if you can please answer asap because i have tons of homework tonight
May 17, 2011

math
a back yard is shaped like a parallelogram with a height of 32 feet and a base of 100 feet. One bag of grass seed covers 125 square feet. What is the least number of bags of seed needed to seed the lawn? Also, please explain how you got it.
May 17, 2011

math
how do you find the volume of a parallelogram?
May 17, 2011

algebra 2!
Evaluate the piecewise function f(x)= 7 if x is < or equal to -4; -14 if -4<x<orequalto 3 for x =-5 and x=8; -8 if 3<x
May 5, 2011

algebra 2!
A swimmer is racing to the other side of the pool. The pool is 75 feet long. The swimmer travels 2.5 feet per second. Create a table, equation, and graph to represent the swimmer's distance to the other side of the pool with relation to time. When will the swimmer reach ...
May 5, 2011

algebra 2!
Given f(X)=the square root of x-2 and g(x_=6/x-3 (+1), write the composite function g(f(x)) and state its domain. Where is the resulting function defined?
May 5, 2011

Chemistry
6) is 34 g CH3OH
May 4, 2011

Alegbra
Perform the indicated operations of 5/8-(2-7)
April 19, 2011

math
what is the average total 0f 60 90 and 120
March 29, 2011

Technology
If you were a housing contractore how would you go about avoiding structure failure in the house that you build in terms of:1 poor design 2 incorrects choice of materials 3 poor workmanship
March 21, 2011

College Chemistry
Molarity of .100 mole of urea (CH4N2O) in 250.0 mL of solution
February 8, 2011

Chemistry
Find the pH of a solution prepared by taking a 50.0 mL aliquot of a solution prepared by dissolving 12.25g of NaOH and 250.0 mL of water and diluting that aliquot to 1.00L?
January 20, 2011

Trig
How do you convert rectangular equations into polar equations? If x4−y4=xy , then r2=atan(b); What is a? What is b?
December 13, 2010

Trig
How do you convert 36x + 7y = 8 into y=mx+b format?
December 13, 2010

Trig
A curve with polar equation r=(8)/7sinx + 36cosx represents a line. This line has a Cartesian equation of the form y=mx+b ,where m and b are constants. Give the formula for y in terms of x . For example, if the line had equation y=2x+3 then the answer would be 2x+3 .
December 13, 2010

chemistry
the rate of formation of NH3 is .15 mol/Lmin. What is the rate of this reaction? N_2_ + 3H_2_ ---> NH3 the answer should be .075 mol/Lmin.
December 12, 2010

chemistry
x + 2y ---> products is first order in c and 2nd order in y. what are the units of K, the specific rate constant, if the reaction rate is expressed in units of moles per liter per sec. I know the answer is M.s^-1^ but I don't understand this concept. could you explain ...
December 12, 2010

chemistry
From this information- a + c_2_ ---> ac + c Slow ac + a ---> a_2_c Fast 2a + c_2_ ---> a_2_c + c Overall -you know that it is 1st order in a, 1st in c2, and 2nd overall. how? what about a reaction being fast or slow tells you if it's in first or second order?
December 12, 2010

chemistry
SF4 ---> SF2 + F2 rate constant (k) = .011 l/molxS [SF4]2 How many minutes will it take for the concentration of SF4 to be reduced from 2.5 M to .25 M? I said this was a 2nd order reaction and used : (1/final)= kt + (1/initial) and solved for t. the answer should be 5.5. I ...
December 12, 2010

chemistry
How do you know that from this list, F2 is the strongest oxidizing agent? Mg2+ Mg F2 F- H+ Why is F- the weakest reducing agent from this list? Al3+ Al F2 F- K+
December 9, 2010

chemistry
In the following equation, which species is the oxidizing agent? KCLO3 --> KCL + KCLO4 In the same are, How do you know that Cu is the reducing agent in this equation: AgNO3 + Cu ---> Cu(NO3)2 + Ag
December 9, 2010

chemistry
Calculate the Gibbs free energy change for the reaction below when initial concentrations of CR3+ and Cu2+ are 1 M (F= 96500 J/V mole e-) 2Cr3+ (aq) + 3Cu (s) --> 2Cr (s) + 3Cu2+ (aq) I assume we use the deltaG= -nFE equation, but how do you know n when Cr is using 3 e- and...
December 9, 2010

chemistry
a cell is constructed by immersing a strip of silver in .10 M AgNO3 solution and a strip of lead in 1.0 M Pb(NO3)2 solution. A wire and salt bridge complete the cell. What is the potential of the silver electrode in the cell?
December 9, 2010

10th grade
jordan has 2 quarters, 1 nickel, and 3 dimes. if he took 1 out and then a second one without replacing the first coin, what is the probability that both coins were dimes?
December 5, 2010

chemistry
thanks!
November 23, 2010

chemistry
A(g)+ B(g) <---> C(g) + D(g) Kc= 144. If .4 mol of A and B are placed in a 2 Liter container, what will be the concentration of C at equilibrium? I said the concentration of A= .2 because (.4/2=.2) and because 1 mol of A = 1 mol of C, the concentration of C also = .2 But...
November 23, 2010

chemistry
A(g)+ B(g) <---> C(g) + D(g) Kc= 144. If .4 mol of A and B are placed in a 2 Liter container, what will be the concentration of C at equilibrium? I said the concentration of A= .2 because (.4/2=.2) and because 1 mol of A = 1 mol of C, the concentration of C also = .2 But...
November 23, 2010

chemistry
what is the pH of a solution that is .15 M in HOCl and .25 M NaOCl after .05 mol HCl/L has been bubbled into the solution? this is what I did: HOCl + H2O ----> H3O+ + OCl- .15 .25 -.05 +.05 --------------------------- .1 .30 3.5E-8=[H3O][.3]/[.1] H3O= 1.167E-8 pH= -log(1....
November 23, 2010

chemistry
thanks!!!
November 23, 2010

chemistry
Calculate the value of [H3O+] in a 0.01 M HOBr solution. Ka = 2.5E-9 I'm having a problem with just writing the equilibrium expression. do you add H2O to the HOBr? HOBr + H2O <---> H3O+ + OBr- but then you could say that because HOBr = .01 M, then 0Br- = .01 M, and ...
November 23, 2010

chemistry
The solubility of Fe(OH)2 is 3.00  10-3 g in 2.00 liters at 18°C. What is its Ksp at 18°C?
November 15, 2010

chemistry
How many grams of MgF2 will dissolve in 150. mL of 0.100 M NaF solution? Ksp for MgF2 = 6.4 x 10-9
November 15, 2010

chemistry
Calculate the ionization constant, Ka, of phenol (HC6H5O), a weak acid, if a 0.25 M solution of it has a pH of 5.24.
November 15, 2010

chemistry
The following system is at equilibrium with [N2O4] = 0.55 M and [NO2] = 0.25 M. If an additional 0.10 M NO2 is added to the reaction mixture with no change in volume, what will be the new equilibrium concentration of N2O4?      N2O4(g) 2 NO2(g)
November 15, 2010

chemistry
What is the value of [OH-] in a 0.015 M CH3COOH solution? Ka = 1.8 x 10-5 I started by writing the equation: CH3COOH + H2O <---> H3O+ + CH3COO- Ka= [H3O+][CH3COO-]/[CH3COOH]= 1.8 E-5 ... Now what? I don't understand where OH relates to this ...
November 15, 2010

chemistry
If solid AgNO3 is slowly added to a solution that is .05 M in NaI and .12 M in NaCl, what is the concentration of I- when AgCl just begins the precipitate? Ksp for AgCl= 1.8 x 10^-10 Ksp for AgI= 1.5 x 10^-16
November 13, 2010

chemistry
If 100 mL of .03 M HCL solution is added to 100 mL of buffer solution which is .1 M in NH3, and .1 M in NH4Cl, what will be the pH of the new solution?
November 13, 2010

chemistry
what is the [H3O+] of a solution that is .01 M in HOCl and .03 M in NaOCl?
November 13, 2010

chemistry
A sample of only solid ammonium chloride was heated in a 1 L container at 500 C. At equilibrium, the pressure of NH3 (g) was found to be 1.75 atm. what is the equilibrium constant, Kc, for the decomposition at this temperature? R= .08206 L atm/K Mol NH4CL (s) <---> NH3(g...
November 13, 2010

chemistry
1.00 mol of A and 2.00 mol of B are placed in a 5 Liter container. after equilibrium has been established, .50 mol of D is present in the container. What is the equilibrium constant, Kc? A + 2B <---> 2C + D
November 13, 2010

chemistry
How many grams of potassium formate, KHCOO, must be added to 500 mL of a .07 M solution of HCOOH to produce a buffer solution with a pH of 3.50? given: Ka of HCOOH=1.8 x 10^-4
November 13, 2010

Physics
1750 minutes
November 2, 2010

Math
Oh, ok thanks. I understand it now.
October 21, 2010

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