Thursday
November 27, 2014

Posts by ann


Total # Posts: 1,256

math
Megan and Sam together take 12 minutes to wash a car. Washing the car by herself took Megan 21 minutes. How long would it take Sam to wash the car?
July 4, 2012

algebra
Solve using the elimination method. Show your work. If the system has not solution or an infinite number of solutions, state this. -2x-8y=-42 -4x+6y=-18
July 3, 2012

algebra
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x-6y=2 -8x+6y=-26
July 3, 2012

algebra
solve 5x^2-11=0
June 22, 2012

geometry
is my answer correct, please? thanks very much M = measurement If M angle 1 = 60 degrees, then m angle 3 + m angle 5 = what is answer? i put 90 degree for angle 3 which is right angle + 60 degrees = 150 given: m angle 1 = m angle 5 in statements/reasons. diagram was + with ...
June 20, 2012

geometry
16.3 is the length of the base rounded to the nearest tenth. 3.14 x 7.5 x 7.5 x 12 = 2119.50 16.28 x 16.28 x 8 =2,120.3
May 29, 2012

Math
you've been to jog for 1 hr a day 3 times a wk, if you jog 5.5 miles per hr, how far will you jog each wk
May 27, 2012

Science
Suppose we allowed each person 1000m^3 of living space in a large building, with ceiling height 3 m. To the nearest order of magnitude, how many 1000m high buildings would have to be built to house the entire population of 8.5 x 10^14 people on the energy-limited Earth, if ...
May 25, 2012

maths
Water is leaking out of a barrel. In the first hour, it lost half the number of litres it held, plus one litre. In the second hour, it lost half the remainder plus another litre. In the third hour, it lost half the remainder again, plus a further litre; and during the fourth ...
May 22, 2012

English
We
May 21, 2012

English
Is the sentence We playes always score. correct or would you say Us players always score?
May 21, 2012

english
is my answer correct?
May 21, 2012

english
in a horse drawn wagon and modifies the word books
May 21, 2012

english
In the sentence Mary brought library books to them in a horse-drawn wagon. What is the prepositional phrase and the word it modifies?
May 21, 2012

english
I think it is in the early 1900's and the word it modifies is wagon
May 21, 2012

english
in the sentence She invented the book wagon in the early 1900's. what is the prepositional phrase and word it modifies?
May 21, 2012

English
in the sentence Mary Titcomb was a librarian from Maryland. What is the prepositional phrase and the word it modifies?
May 21, 2012

AlgebraB
Help! I have to graph my answer to this problem: ADFG has vertices D (–2, 4), F (–3,1), and G (–1, 2). Find the vertices of the image after the rotation of 180° about the origin.
May 17, 2012

physics
a small pith ball carries a charge of -1.3 uc. how many excess electrons does this represent?
May 17, 2012

Physics
Here's the question again that I am trying to get help with because I can't figure it out and I got one answer, but I really couldn't understand it. Help please! A ferris wheel makes one rotation in 15 minutes. Find your car's location and the angle of rotation...
May 16, 2012

physics
Thank you Elena. I really appreciate your halp.
May 15, 2012

physics
A ferris wheel makes one rotation in 15 minutes. Find your car's location and the angle of rotation after: 3 mins., 5 mins., 9 mins., 12 mins. The diameter of the wheel is 328 ft. and the height, with the base, is 369 ft.
May 15, 2012

Pre Algebra
Thanks PsyDAG. This was the very first ferris Wheel so that's why it was so big and held a lot of people. I wasn't given any other information.
May 15, 2012

Pre Algebra
Tickets on the ferris wheel cost .50 cents. At least how many tickets were sold? There are 36 cars on the ferris wheel that holds 60 people per car. Suppose every ticket holder rode for two turns of the wheel. At least how many turns did the wheel have to make? I think it'...
May 15, 2012

Math
A ferris wheel makes one rotation in 15 minutes. Find your car's location and the angle of rotation after: 3 mins., 5 mins., 9 mins., 12 mins. The diameter of the wheel is 328 ft. and the height, with the base, is 369 ft.
May 14, 2012

English
3 John and Eric 4 memebers 5 chambered nautilus 6 sweaters 7 cabinet 8 coral 9 we 10 trophy
May 13, 2012

English
ENGLISH HOMEWORK.. Need to write a antecedent for each Pronoun that is Capitilized in sentences.? Need to write a antecedent for each Pronoun that is Capitilized in sentences 1. Some of the Students brought THEIR lunches to the beach. 2. Ken took Meg home on HIS new motorcycle...
May 13, 2012

math
describe transformation state number of turns describe left and right behaviors sketch graph of function 1. f(x)=x^4-1 2. f(x)=-x^5+1 3. f(x)=-x^3=3x^2-2x
May 8, 2012

child care
i would say c.
May 7, 2012

Chemistry
Which of the following combinations would require an electrolytic cell? coat aluminum onto iron coat iron onto lead coat copper onto tin coat calcium onto iron Please help.
May 3, 2012

Finance
Answers for a 10 year us treasury bond has a 3.50 % interest rate, while a same maturity corporate bond has a 5.25 % interest rate. Real interest rates and inflation rate expectations would be for the two bonds. if default risk premium of 1.50 percentage points is estimated ...
May 2, 2012

math
Double my tens digit to get my ones digit double me and I am less than 50
April 26, 2012

business law
Miguel buys a truck in Texas, then moves to Washington. A year later, he is driving his truck in Oklahoma, and causes an accident by trning into another car, whose driver is from Florida. In what states will the other driver be able to sue Miguel? State the reasons for your ...
April 26, 2012

algebra
thank you very much henry , I really appreciate the help. ann
April 15, 2012

algebra
could you please show me how to do this problem? Bob rows 6 miles downstream in 1 hr, joe rows 6 miles upstream in 2 hr. joe rows 1 mile per hour faster. a. what is each of their speed, bob 6/1=6mph joe 6 + 1 = 7mph is this right?? b. what is the current speed?? downstream R...
April 15, 2012

algebra
yes you were right about the zero. Thank you so much for showing me how to do it. ann
April 13, 2012

algebra
could you please show me how to do this problem? ballfield costs 14,850,00 to build. the cost per city resident to build it will be based on last census. New census shows population increased by 2200 people, which reduced the cost per resident $75. what is the current ...
April 13, 2012

Chemistry
When the following solutions are mixed together, FeSO4 (aq) + Csl (aq): What precipitate if any will form, Write the balanced equation, write the complete ionic equation and wriye the net ionic equation?
April 13, 2012

algebra
Reiny, thank you so much, I really needed that help.
April 4, 2012

algebra
what is x short leg for right triangle when given long leg b is 1/2x +11 when given hypotenuse c is 2x + 1 i put (-1/2x + 11) +(2x + 1) = x and came out with 20 but that did not work out when squared A + b = C. I estimated x/a = 8, then b = 15 and c = 17 and that works 8^2 + ...
April 4, 2012

dressmaker
when paper pattern pieces are dovetailed in cutting layout they're placed so they A-all face the same direction. B fit closely together to save fabric.c have their grain lines on the bias. d are lying face down on the fabric
March 21, 2012

Math
In 1995 the united states recovered 21% of its municiple solid waste through recycling up from 17% in 1990. Let y represent the percentage recycled and let x equal the number of years since 1990. Find the linear function that fits this data.
March 10, 2012

Math
Use the principle of square roots, (x-2)^2=25
March 9, 2012

Math
Reiny, Im sorry but where is the 1/16 coming from?
March 9, 2012

Algebra
y=x^2-3x-10, Find the y-intercept and any x-intercept
March 8, 2012

Math 11
oh okay, thanks.
March 8, 2012

Math 11
perform the indicated operation and give the answer in simplified form. ((x-1/x+1)-(x+1)/(x-1))/ ((x-1/x+1)-(x+1)/(x-1)) =0 ?
March 8, 2012

chemistry
what is the molecular geometry of niacin? C6H5NO2
March 2, 2012

algebra
Please check for me and tell me how to correct, thank you. Mary wants to put a walk( 10 ft wide)all the way around her house. house Length=60 ft width 45 ft A. write a polynomial that represents the total area of the house and walk total area of walk and house = (2x+60)(2x+45...
February 28, 2012

Pre-Cal Help Please!!
Use logarithms to solve the given equation. (Round the answer to four decimal places.) 6(1.02^3x + 1) = 11 How do i find the answer after 1.03^3x +1 = (11/6) Do i put a log on 1.03 or do I do something else Thank you.
February 28, 2012

Chemistry
At 25°C, K = 0.090 for the following reaction. H2O(g) + Cl2O(g) equilibrium reaction arrow 2 HOCl(g) Calculate the concentrations of all species at equilibrium for the following case. 1.3 mol pure HOCl is placed in a 1.6 L flask [HOCl]________ [Cl2O]________ [H2O]________ ...
February 27, 2012

Pre-Cal
I meant to say 3000e^ 0.33(15) and got $62593.57
February 25, 2012

Pre-Cal
A website is offering a savings account that pays 33% compounded continuously. How much interest would a deposit of $3,000 earn over 15 years? (Round your answer to the nearest cent.) I used f(t)=Pe^rt and got 1000e^-0.045t I don't know what I did wrong. Thank you.
February 25, 2012

Algebra: Help Please
For the given function, compute the missing values in the following table. f(x) = 8x i got the negatives wrong, but I know how to solve for it. Is there a reason it is wrong? -3: -1/512 -2: -1/64 -1: -1/8 (^These were wrong, but I don't know how to solve it) 0: 1 1: 8 2: ...
February 23, 2012

math
Joes electric made 19 customer calls last week and 24 calls this week, How many calls must be made next week in order to maintain an average of at least 21 calls per week for the three week period?
February 22, 2012

Math
The equation V=1/3 Bh gives the volume V of a pyramid, where B is the area of the base and h is the height. Solve this equation for B. Please help me and show your work thanks
February 16, 2012

algebra please ck.
joe wants to spend 70. dollars at most and has 60 cu inches of space left in his soldier's care package. candy costs $7 and takes up 3 cu inch of space phone cards cost $5. and take up 15 cu in. of space. Is this correct? if not please change it or tell me how ??? thanks ...
February 16, 2012

algebra
would you please check my work and make changes for errors? thanks ann problem: joe bought 3- topping sundae for 15.25 and a 5 topping sundae for 17.75. write and solve a system of linear equations to find price of each topping and a plain sundae(no toppings). I wrote: x + 5y...
February 13, 2012

algebra
Bob, thank you very much for your help. ann
February 12, 2012

algebra
please check and correct if needed. thanks problem: you have coupon of $50 off your telephone purchase of $100 or more at bell store. a. write a function relating phone purchase price after coupon, y, to the retail price, x . give the domain of this function i wrote y => (...
February 12, 2012

algebra
would you please help me answer this question??? thanks mary wants to spend $70. at most for gifts but only has 60 cubic inches of space in her suitcase. rings cost $7 and take up 3 cubic inches of space and scarfs are $5 and take up 15 cubic inches. Write a system of four ...
February 11, 2012

math
You want to make a rectangular model one cube high exactly 2 and only 2 ways. How many cubes would you use?
February 9, 2012

geometry
You have 17 connecting blocks and you make a rectangular shape one block high. How many ways can you do it?
February 9, 2012

algebra
please check my problem and make changes as needed. thanks solve ineqality: 3/7(2p-14) > 6/7p-6 Clear fractions mult. by 7/1 3(2p-14) >6p-6 6p - 42 > 6p - 6 6p - 6p -42> 6p - 6p - 6 0 -42 +42 > -6 +42 0 > 36
February 8, 2012

macroeconomics
Suppose that there are three beachfront parcels of land available for sale in Asilomar and six people who would each like to purchase one parcel. Assume that the parcels are essentially identical and that the minimum selling price of each is $600,000. The table below reflects ...
February 8, 2012

algebra
thank you so much for your help reiny. ann
February 7, 2012

algebra
please check and correct thanks Problem: solve and check the inequality if possible |4F+8|< 12 positive: negative: |4F+8| < 12 |4F + 8| < -12 4F + 8 -8 < 12 - 8 4F +8-8 < -12-8 4F < 4 4F< -20 F < 1 F< -5 solutions 1 and -5 or -5 < F < 1 check ...
February 7, 2012

algebra
thank you very much for your help, anonymous. thanks ann
February 7, 2012

algebra
please check answers and change if wrong thank you. The absolute value of 3 times a number x is greater than 33. |3x| > 33 3x > 33 x > 11 what about -11
February 7, 2012

intro to busines
what are ome of the operations management practices that can help bring manufacturing back to U.S.?
February 6, 2012

algebra
reiny thank you very much for your help, i mistyped the = so you have it right. i really appreciate your help. ann
February 6, 2012

algebra
please check these answers and change if needed. thank you Label each statement true or false, if false change underlined portion. C. if -4 < -2t + 6 < 10 then this is underlined 2 > t + 6 > -5 I marked false, i think it should be -2 < t < 5. D. If |y + 8| + ...
February 6, 2012

Math
Find approximations of the given value f(x)={4; 4>x {x^2 2<x a)f(-6) b)f(0) c)f(2) d)f(4) e)(f(6) − f(4))/(6 − 4) I don't understand how to solve this problem. Thank You.
February 5, 2012

algebra
thank you very much for your help. ann
February 5, 2012

algebra
please could you check my answers and fix them if needed? label each statement true or false . if false correct the underlined portion A. if 3 < x then this underlined 3 + y<x+y i put true B. if this underlined |w-7|< -3 then w - 7 > -3 or w - 7 < 3 I put true ...
February 5, 2012

macroeconomics
Suppose that France and Denmark both produce oil and olives. Frances’s opportunity cost of producing a crate of olives is 4 barrels of oil, while Denmark’s opportunity cost of producing a crate of olives is 7 barrels of oil. By comparing the opportunity cost of ...
February 5, 2012

algebra
thank you very much for your help anonymous ann
February 5, 2012

algebra
i did not get a response so i am rewording question . please help if you can. thanks ann store A charges 9.75% tax store B charges 7.25% tax If a shopper's pre tax receipt is between $11.57 and $81.43, write a compound inequality that describes the difference in taxes paid...
February 5, 2012

Physics help
A skier approaches the base of an icy hill with a speed of 11.6 m/s. The hill slopes upward at 24° above the horizontal. Ignoring all friction forces, find the acceleration of this skier (a) when she is going up the hill, (b) when she has reached her highest point, and (c...
February 4, 2012

law
it is ADVANCED FUNERAL ARRANGEMENTS,the advance directives is really the individual having made medical decisions prior to an event happening which rendered the person from being able to make a decision at the immediate moment.funeral arrangements are not the doctors concern.
February 3, 2012

algebra
please help me with this question. gives line graph with 0 to 2 1/2 marked. problem: store A charges 9.75% tax and store B charges 7.25%. if shoppers's pre-tax receipt is between $11.57 and $81.43, write and graph a compound inequality that describes the difference in ...
February 2, 2012

algebra
thank you so much for your help reiny. i really appreciate it.ann
January 30, 2012

algebra
could you please help me? john needs to earn $693 to pay for trip. he finds job that pays $7 per hour and he mows lawns for $9. an hour a. write an inequality describing his goal in terms of hours at his job, x, and hours mowing lawns, y . i wrote 7x + 9y = 693., is this ...
January 30, 2012

algebra
thank you very much Jai for taking the time to help me ann
January 28, 2012

algebra
could you please check my answer and show me correct way . thanks for your help solve the equation if pssible -3|6n-2| +5 = 8 note:: 6n-2 is abolute value 6n-2 is positive -3|6n-2| + 5 = 8 |6n-2| = 6 6n - 2 = 6 6n - 2 +2 = 6 + 2 divide by 6 n = 8/6 6n-2 negative -3|6n-2|+ 5...
January 28, 2012

Chemistyr
Why must the limiting reactant be used to determine the theoretical yield?
January 22, 2012

English
Yeah put kitchen staff
January 22, 2012

algebra
Reiny, thank you very much for your help. ann
January 20, 2012

algebra
could you please check this answer for me and correct. thanks given equation point slope form linear equation to use to do question. y-3 = 3(x+1) question rewrite this equation in standard form y- 3 + 3 = 3x - 3x +3 + 3 -3x+ y = 6 collect all variables on one side and ...
January 20, 2012

algebra
factor 80x5th power -360x3rd power + 405x
January 20, 2012

physics
PLEASE HELP ME SOLVE !!!! InMay 1998, forest fires in southernMexico and Guatemala spread smoke all the way to Austin. Those fires consumed forest land at a rate of 26900 acres/week. On the average, how many square meters of forest are burned down every minute? An acre is an ...
January 20, 2012

algebra
Steve thank you so much. ann
January 16, 2012

algebra
please help me here with a and b and do i have c and d correct?, i do not know how to start. john put his spare change in jar every night. If he has $11.09, at end of Jan. . 22.27 at the end of feb, 44.35 in April, 75.82 in july, 89.00 in aug. and 114.76. a. at the end of oct...
January 16, 2012

College Chem
Thanks DrBob222 :)
January 16, 2012

College Chem
A 2.446-g sample thought to contain only one volatile substance, MgCO3, was heated in a nitrogen atmosphere for 30 min. After cooling, the residue weighed 2.216 g. Calculate the percentage of magnesium carbonate in the sample.
January 16, 2012

algebra
thanks for your help very much steve.
January 16, 2012

algebra
given point slope form linear equation to use in answers y-3=3(x+ 1) a.What is equation in standard form of a parallel line that passes through (0, -2)? y = 3x -2 -3x + y = -2 b. on parallel line find the ordered pair where x = -2? would it be -2.0 if not what about? -2, -8 -3...
January 16, 2012

algebra
could you see if my answers are correct?? if not could you please help me get them right? thanks very much A train leaves a station at noon. train is 180 miles from its destination at 12:45 pm and 90 miles from its destination at 2:15. how far is station from destination?225 ...
January 13, 2012

English
so it would be this way: Everyone has a need to feel accepted and cared about, and it is family and friends that play a vital role in an individual’s lifestyle choices
January 13, 2012

English
would that be better: Everyone has a need to feel being accepted and cared about, and it is family and friends that play a vital role in individual’s lifestyle choices
January 13, 2012

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