Thursday
March 26, 2015

Posts by amber


Total # Posts: 1,212

trig
how do you graph y=-(1/4)sin(3/4x+pi/8? include the amplitude, period, vertical translation, horizontal shift, and table of values please.
May 11, 2011

finite math
i used x instead of t. thanks
May 7, 2011

finite math
As online attacks persist, spending on information security software continues to rise. The table gives the forecast for the worldwide sales (in billions of dollars) of information security software through 2007 (t = 0 corresponds to 2002): Year, t 0 1 2 3 4 5 Spending, y 6 8....
May 7, 2011

finite math
thanks sooooo much!
May 7, 2011

finite math
Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each model-A hibachi requires 3 lb of cast iron and 6 min of labor. To produce each model-B hibachi requires 4 lb of cast iron and 3 min of labor. The profit for each model-...
May 7, 2011

finite math
(281.82-250)*48?
May 7, 2011

finite math
i got $198.87 what about the interest charges?
May 7, 2011

finite math
The price of a new car is $16,000. Assume that an individual makes a down payment of 25% toward the purchase of the car and secures financing for the balance at the rate of 6%/year compounded monthly. (Round your answers to the nearest cent.) What monthly payment will she be ...
May 7, 2011

finite math
i put 5.78% and it says it's wrong.
May 7, 2011

finite math
Carlos invested $6,000 in a money market mutual fund that pays interest on a daily basis. The balance in his account at the end of 8 mo (245 days) was $6,230.23. Find the effective rate at which Carlos's account earned interest over this period (assume a 365-day year). (...
May 7, 2011

geometry
how to solve y= (x-2)^2+4 4x+2y=14 algebraically
May 4, 2011

English
thanks
May 4, 2011

English
My cpu is not letting me view this page
May 4, 2011

English
What would you say this line ment: I am the chosen no hand saves?
May 4, 2011

Program planning and evaluation
I dont know
May 1, 2011

chemistry
What is the mole fraction of sulfuric acid in a solution made by adding 3.4 grams of sulfuric acid to 3500 mL of water?
April 28, 2011

chemistry
how many grams of glucose C6H12O6 would you need to make 250 mL of 1.0 M solution?
April 28, 2011

chemistry
how many moles of sucrose C12H22O11 does 300mL of a 0.10 M sucrose solution contain?
April 28, 2011

ah trig help
use an apropriate sum or difference indentity to prove the double-angle identity cos2u=1-2sin2u
April 26, 2011

trig identies 5.3 &5.4
i got it nevermind
April 26, 2011

english
an ode
April 24, 2011

US History
1. Which three amendments that were passed almost 100 years earlier, guaranteed that African-Americans had the right to vote? 2. Why was the Voting Rights Act of 1965 necessary? 3. Name three ways that local jurisdictions tried to inhibit African-Americans from voting prior ...
April 24, 2011

Chemistry
At which temperature will the following reactions reverse? Use the thermodynamic date provided at the end of the book. a) 2Ca(s) + O2(g) -> 2CaO(s) b) 2CH4(g) + 4 O2(g) -> 2CO2(g) + 4H2O(g)
April 7, 2011

Chemistry
The trick is that the heat lost from the metal is equal to the heat gained by the water. So q lost = f gained. Since the metal went from 100.0C to 32.5C I'd say it lost. The water went from 20.0C to 32.5C, so it gained. "q" then represents the metal and "f&...
April 6, 2011

chemistry
Is it possible to produce a form of sodium ferrate using these components? FeCl3 NaOH NaOCl
April 5, 2011

English
A critic should read a story more than once in order to write about it. True or False.
April 5, 2011

Math
Postal regulations specify that a package sent by priority mail may have a combined length and girth of no more than 129 in. Find the dimensions of a cylindrical package with the greatest volume that may be sent by priority mail. Hint: The length plus the girth is 2πr + l...
April 4, 2011

5th Grade Math/Making a Duplicate
a canoe is 5.67 how much is it in cm
March 29, 2011

Chemistry
At a particular temperature, K = 3.75 for the following reaction. SO2(g) + NO2(g) <==> SO3(g) + NO(g)\ If all four gases had initial concentrations of 0.550 M, calculate the equilibrium concentrations of the gases.
March 27, 2011

math
(x/4−1/x)/(1/2x+1/4)
March 27, 2011

Physics
A sled of mass 5.98 kg is coasting along on a frictionless ice-covered lake at a constant speed of 1.42 m/s. A 1.98-kg book is dropped vertically onto the sled. At what speed does the sled move once the book is on it?
March 27, 2011

geometry
How do I solve this? 4/3PI*R^3 When R=6 I get 288 if I do it in PI form. Just seems really high.
March 21, 2011

Alegebra
i have 5 questions, i dont know how to solve these questions. 7= 2 +5(z-2) 15(s-3)=12s-43 2a-6=3(a-4) 2(b-3)+5=3(b-1) 6x +7 / 5 = x
March 11, 2011

Literature
1. supernatural 2.imagination 3.everyday occurrences 4.emotional freedom 5.individual freedom 6.love of nature if you're in Brit Lit for the American School like i am... i found the answer in the definition of Romanticism in the back of the Study Guide
March 10, 2011

Algebra
A brick staircase has a total of 16 steps The bottom step requires 112 bricks. Each successive step requires 4 fewer bricks than the prior one. How many bricks are required to build the staircase?
March 7, 2011

Geometry
Find the perimeter of a square to the nearest tenth if the length of its diagonal is 16 millimeters
March 6, 2011

Physics
If you do work on an object in 1/3 the usual time, your power output is ____ times the usual power output
March 2, 2011

Physics
The work done on an object with a mass of 50 kg raised 3 meters is ________ Nm.
March 2, 2011

Physics
Two identical gliders slide toward each other on an airtrack. One moves at 1 m/s and the other at 2 m/s. They collide and stick. The combined mass moves at ____ m/s. Answer
March 2, 2011

Physics
A 2 kg ball rolls at 2 m/s toward a 1 kg ball at rest. After the balls collide they stick together and move at _____ m/s.
March 2, 2011

Physics
The kinetic energy of a 4 kg object moving at 3 m/s is _______ J.
March 2, 2011

Physics
The momentum of a 5 kg thrown 3 m/s is _________ kg m/s.
March 2, 2011

Physics
A 18 N object moves 1 m/s.  Its KE is ______ J.
March 2, 2011

Physics
____ N of work are done on your physics text when you carry it horizontally across a 15 meter wide room.
March 2, 2011

Alegbra sequences
Year 2003 2004 2005 2006 Populatation 22.12 22.49 22.86 23.41 A. divide the population for each year by the population in the preceeding year. Round to the two decimal places and show the Texas population increase that is approximately geometric. 1.01 B. Write the general term...
March 2, 2011

medical
I. AMBULATORY CARE FACE SHEET Admit Date: 7/8/20XX @ 20:22 Discharge Date/Time: 7/9/20XX @ 10:10 Sex: M Age: 47 Disposition: Home Admitting Diagnosis: Possible esophageal foreign body. Discharge Diagnosis: Esophageal foreign body. Procedures: EGD with foreign body removal. ...
February 28, 2011

Math
10+10=20 5.29/20=0.2745 4+4=8 2.98/8=0.3725 The better deal is the one pack of 10 for $5.49 and get one free
February 27, 2011

college algebra
Find the maximum value of 5x + 7 – x2 on the horizontal span of 0 to 5. (Enter the maximum value of the expression, not the value of x at that point.)
February 27, 2011

college algebra
If an average-size man with a parachute jumps from an airplane, he will fall 12.5(0.2t - 1) + 19t feet in t seconds. How long will it take him to fall 134 feet?
February 27, 2011

ALGEBRA 1
Cindy will require $15,000 in 2 years to return to college to get an MBA degree. How much money should she ask her parents for now so that, if she invests it at 12% compounded continuously, she will have enough for school?
February 27, 2011

algebra 1 sequences
Year 2003 2004 2005 2006 Populatation 22.12 22.49 22.86 23.41 A. divide the population for each year by the population in the preceeding year. Round to the two decimal places and show the Texas population increase that is approximately geometric. 1.01 B. Write the general term...
February 26, 2011

Algebra
Jennifer takes a job with a starting salary of $39,000 for the first year with an annual increase of 5% beginning in the second year. What is Jennifer's salary, to the nearest dollar
February 26, 2011

chemistry
Describe how to make 20 mL of a 6.0 % solution from a stock solution with a concentration of 10 %.
February 22, 2011

Algebra
Find the accumulated value of an investment of $5000 at 5% compounded monthly for 8 years.
February 22, 2011

algebra
If p(t) is the profit (in dollars) that I expect my business to earn t years after opening, use functional notation to express my expected profit after 4 years and 6 months.
February 19, 2011

Algerbra 2
I am doing a worksheet for my alg. 2 class and in the worksheet it says: 'Simplify the expression. Assusme all variable are positive.' the problem is perentheses, square root of six times the power of 3 square root of six perentheses power of six!
February 15, 2011

STATISTICS
Private college and universities rely on money contributed by individuals and corporations for their operating expenses. Much of this money is put into a fund called an endowment, and the college spends only the interest earned by the fund. A recent survey of eight private ...
February 15, 2011

american literature
list three rhetorical devices that patrick Henry uses in his "speech in the virginia convention." Give an example from the speech of each rhetorical device.
February 10, 2011

literature
thanks for the help
February 10, 2011

PHY
Ok...I know this is a stupid question, but I need help! Ok, here it is: An object that has more electrons than it does protons will be _____ a CL^-1 ion. repelled by attracted to unaffected by I know that opposites attract and that same repells, but I am doubting myself with ...
February 9, 2011

Physics
I have been working on my Phys homework and came accross this question that is giving me some trouble: The charge (coul) on an object increases according to (q) = (2 coul)e[(0.050/sec)(t)], where t is in seconds. At how many seconds is the object deficient 1.56 x 10^20 ...
February 5, 2011

Random Question
Ok thank you.
February 5, 2011

Random Question
In the movie "Hauting Sarah" what is the twin sister trying to accomplish??? bringing her son back through her sister?
February 5, 2011

Physics
A certain "brand-new" (never-used) 9.0 volt cell contains 40mC of charge. The Electric energy "stored" in the cell amounts to about (___) joules. 0.0 0.06 37.5 .36 60x10^-4 I'm not too sure how to figure this problem out. I initially thought 40/9, but ...
February 5, 2011

math
Angelo is paid double time for each hour he works over 40 hours in a week. Last week he worked 46 hours and earned $520. What is his normal hourly rate?
February 4, 2011

Calculus I
evaluate and justify each step lim((xe^x)/tan x) as x approaches 1. i just need the over all jest of the problem because i don't know what to do to get rid of the 0 in the denominator. Thanks.
January 31, 2011

physics
a student does 314 J of work in moving a desk 2.1 m. What was the magnitude of the applied horizontal force?
January 27, 2011

Science Half Lives
I don't know the answer to your question, but can some one help me with mine? Question: After six half-lives, what percentage of a radioactive sample will remain? Please help me!, Thank you.
January 25, 2011

CP Geometry
Working with square roots (s.r.) and need help. - s.r. 60/5 This is negative s.r. 60/5
January 25, 2011

CP Geometry
it was a riddle. the answer was a jab well done.
January 24, 2011

CP Geometry
What do you call it when the nurse gives you a shot you hardly feel? s.r. = square root s.r.5 * s.r. 15. my choices are 5s.r.3, 20s.r.5, 4s.r.10, 3s.r.2, 3s.r.10, 2s.r.6, 9, 5s.r.6, 10s.r.3.
January 24, 2011

Chemistry
If the equilibirium reaction is 2 03(g) <--> 3 O2 9(g) is first order with respect to ozone, what type of plot( meaning what is plotted on the y axis vs what is plotted on the x-axis) will yield a straight line? what will the slope of the line represent? PLEASE help im ...
January 23, 2011

Chemistry
Sorry I typed it wrong i meant IF the rate of consumption of N2O4 (below) is .0221 what is the rate of production of NO2?
January 23, 2011

Chemistry
IF the rate of consumption of N2)4 (below) is .0221, what is the rate of production of NO2? N2O4(g)<->2NO2(g) Please help and explain. BC i have to actually understand how to do the problem. Thanks
January 23, 2011

Comm215
In this problem: Sally told Janice that she made the honor role. __ Pronoun shift in number __ Pronoun shift in person __ Ambiguous reference __ No error What does ambiguous reference mean?
January 17, 2011

math
If you borrow $5,000 at an APR of 5%. Find the interest, I after 36 months
January 13, 2011

Math
5% interest rate for 5,000,00 how much after 4 years
January 13, 2011

physics
A 10kg block is sliding at 10m/s along a frictionless track which suddenly curves straight up. how high will the block rise
January 12, 2011

7th Grade Math-Exponents
I dont understand this at all! Please help! Find the units digit for 7^197 without using a calculator. Explain how you found your answer.
December 16, 2010

Math-7th grade
that makes sense...thanks!
December 16, 2010

Math-7th grade
1.75 Thank you, But what about for day one? If it's 1.75 per day, how is the first day charge 3.75?
December 16, 2010

Math-7th grade
Im having trouble solving the amount per day... The table below shows the relationship between d, the number of days a DVD is returned late to a video rental store, and f, the amount of the late fee. Write an algebraic expression that describes this relationship? Prove your ...
December 16, 2010

7th Grade Math
I believe 21 2 doubled is 4 4 + 5 is 9 a quarter of 9 is 3 3+9 is 12 12 plus two is fourteen and half of fourteen is 7 7 plus 14 is 21.
December 14, 2010

7th grade Math
Thank you so much! I didnt understand it at all!
December 14, 2010

7th grade Math
A space probe is 7.62 x 10 to the 7th power kilometers from the surface of the planet Mars. If the space probe is traveling towards mars at a arate of 127 meters per second, how many hours will it take the probe to reach the surface of the plant? Round to the nearest hour. ...
December 14, 2010

7th grade math
Its a math homework assignment
December 13, 2010

7th grade
A space probe is 7.62 x 10 to the 7th power kilometers from the surface of the planet Mars. If the space probe is traveling towards mars at a arate of 127 meters per second, how many hours will it take the probe to reach the surface of the plant? Round to the nearest hour. Help!?
December 13, 2010

Math
jk sorry that was my sister she wont do it agin
December 12, 2010

math
the rectangle shown above has a total of 2808 square feet. the length is 78 feet. what is the width
December 9, 2010

7th grade
2(2.5b-9) + 6b= -7 5B -18 +6B= -7 Add the B's 11B -18=-7 +18 +18 11B= -11 Divide by 11 each side to get B=-1
December 8, 2010

MATH
Carmen deposits into an account that pays simple interest at a rate of per year. How much interest will she be paid in the first years?
December 7, 2010

Math
19+n u#1=19+1 u#1=20 u#50=19+50 u#1=69 50(20+69)/2
December 5, 2010

physics
when a force of 80n acts on a 500g hockie puck, at what rate will the hockie puck accelerate?
December 3, 2010

physics help me please!
A certain wave is incident on an interface at an angle of 40 deg. The wave emerges into the other material at an angle of 30 deg. Crossing the interface, the wave: a. increased speed b. reduced speed c. maintained constant d. more info is needed I think reduces its speed, but ...
November 30, 2010

algebra
I have this problem too! I can't figure it out either. lol
November 28, 2010

Algebra
find the unit rate for number of parts manufactured per hour if 1630 parts are made in 6 hours. round to the nearest integer. SHOW ALL WORK.
November 28, 2010

Physics
A plank 2.00 cm thick and 15.0 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. A man of mass 80.0 kg is forced to stand on the very end. IF the end of the board drops by 5.00cm because ...
November 17, 2010

Physics
A plank 2.00 cm thick and 15.0 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. A man of mass 80.0 kg is forced to stand on the very end. IF the end of the board drops by 5.00cm because ...
November 17, 2010

Physics-Please Help Me!!
5.Assuming the surface tension of water is .073 N/m, what is the force required to overcome the surface tension?
November 15, 2010

physics
5.Assuming the surface tension of water is .073 N/m, what is the force required to overcome the surface tension?
November 15, 2010

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | Next>>

Members