Sunday
March 29, 2015

Posts by Sandy


Total # Posts: 707

Physics
A golf ball, dropped from 2 meters above a floor, rebounds to a height of 1.6 meters. What percentage of its energy of motion is lost in the collision with the floor?
September 6, 2012

math
Tap A fills a tube with cold water in 6 minutes. Tap B fills a tube with hot water in 8 minutes. If water is flowing out from taps A and B at the same time, how long does it take to fill the tubes?
September 5, 2012

Math
2X+2=8-X The answer I got was X=3. Is this correct?
August 29, 2012

Math
Mr. Carpenter sent his wife to the store to buy 200 square feet (A) of carpet, but he forgot to tell her the length (L) and width (W) of the carpet (A=L*W). How many different sizes of carpet can she get and still have 200 square feet of carpet?
August 21, 2012

design
1 is wrong, I chose that answer myself and found out it was incorrect, but 11 is correct, a size 4 would be too big, the patterns include room for a diaper. Number 8 is incorrect, reread the paragraph that begins with Any decoration should be... it's on page 7. This site ...
July 31, 2012

please,help, thanks
#8 is incorrect
July 31, 2012

design
I answered the same answers to question 1 and 4, those answers were marked as incorrect.
July 25, 2012

MATH
LOLITA KEPT $200 IN HER SAVINGS ACCOUNT FOR A YEAR. THE BANK PAYS 6 1\2% INTEREST PER YEAR. HOW MUCH INTEREST DID SHE RECEIVE AT THE END OF 1 YEAR
July 5, 2012

math
lolita kept $200 in her savings account for a year, the bank pays 6 1/2% interest per year. how much interest did she receive at the end of the 1 year.
July 4, 2012

math
nancy borrowed $900 from her credit union for 2 years. the interest rate for the lona was 7%. how much did she pay
July 4, 2012

geometry
An equilateral triangle has the area of 25 squared root of 3 squared. What is the height? Round answer to the one decimal place.
June 2, 2012

dressmaking
I chose D as well, and they said it was the incorrect choice.
May 29, 2012

Accounting
What is the payment of interest on july 1 assuming no previous accrual of interest . on january 1 a company issued $326,000 9%, 5 year bond at face value.Intrest is payable semiannually on july 1 and january 1 what is the bond expense?
May 15, 2012

Chemistry
Consider the following reaction: H2(g) + I2(s) ---> 2HI(g) TriangleH = 51.9 kj (enthalpy) Calculate the standard enthalpies of reaction for the following reaction: 6HI(g) ---> 3H2(g) + 3I2(s) Thanks!
April 28, 2012

Math
How would you graph this piecewise function f(x) = x^2 if lxl < or equal to 1 1 if lxl > 1 Thanks Very Much!
April 4, 2012

dressmaking
I think that 1a,2b 3b 4c 5a 6a 7d 88 9a 10d 20b 11b 17b 18c 19b14b 15b
April 3, 2012

dressmaking
these are my answer ms sue
April 3, 2012

dressmaking
1(a 2(b 3(b 4(c 5(a 6(a 7(d 8(b 9(a 10(a 11(d 12(a 13(c 14(d 15(c 16(d 17(d 18(b 19(d 20(c
April 3, 2012

dressmaking
need to check my answer, exam 042020 which type of line is considered to be softening line in design
April 3, 2012

Biology
If you are looking at a flame burning in a pit, what are the physical and chemical process/changes? Thanks
April 3, 2012

Math
What is the domain of f(x) = √(x^2-2x-8) Thanks!
March 31, 2012

Chemistry
Nitrogen Dioxide , a pollutant in the atmosphere, can combine with water to form nitric acid. One of the possible reactions is shown here. Calculate delta ∆G° and Kp for this reaction at 25°C and comment on the spontaneity of the reaction. 3NO2(g)+H2O(l)--> 2 ...
March 29, 2012

Fundementals in desktop publishing
1: Which of the following are considered errors that should be counted? A. A word with incorrect spacing after it. B. A word with incorrect punctuation. C. An omitted word. D. All of the above. I choose : A.
March 22, 2012

math
To get a C in physics, a student must score an average of 70 on four tests. Scores on the first three tests were 63, 85, and 82. What is the lowest score the student can make on the last test and still get a C?
March 19, 2012

Math
I asked this question before sorry I I shouldn't ask it again. Express the following number in scientific notation: 23^941 How do i get the answer for this? on my graphing calc, i get an error overflow messasge when i try to compute it. what is the decimal number that ...
March 11, 2012

Math
what is the decimal number that comes before 10^1281? For example x.xxxx * 10^1281 How do i find out the decimal x.xxxx? Thanks For helping me!
March 11, 2012

Math
Express the following number in scientific notation: 23^941 How do i get the answer for this? on my graphing calc, i get an error overflow messasge when i try to compute it. THANK YOU!!!!!
March 11, 2012

Math
Mr. Rogers wants to fence in a rectangular garden next to a straight section of the Scioto River. He has 330 feet of fencing to do the entire job. He doesn’t need fencing along the river, and there is a 4.5 foot wide clearance for a gate at one end. What are the ...
March 10, 2012

Math
How many positions would be needed to represent 57^10,001 in ordinary decimal notation. Thanks!
March 10, 2012

politics?
what is gm bailout?
February 22, 2012

politics
what is the dont ask dont tell? and are there other related terms they use with this? thank you
February 22, 2012

Decorative Features
It's D, who wants a zipper in their under ware? I am getting most of the answers right. The one I can seem to understand because of how it is worded is #9. I have a learning disability and sometimes I can't process how a question is worded. I read the unit about ...
February 14, 2012

algebra. help!!
United States citizens living in Switzerland must pay taxes on their income to both the United States and to Switzerland. The United States tax is 28% of their taxable income after deducting the tax paid to Switzerland. The tax paid to Switzerland is 42% of their taxable ...
February 14, 2012

Titration
Consider the titration of 100.0 mL of 0.100 M NaOH with 1.00 M HBr. Find the pH at the following volumes of acid added and make a graph of pH versus Va: Va = 0, 1, 5, 9, 9.9, 10, 10.1, and 12 mL.
January 23, 2012

science fair
how do you make the following sentence in a if...ans then statement? if you multitask the result won't be as good as you not multitasking depending on what you multitask. thank you
January 22, 2012

Writeacher
Thank YOU!!!
January 22, 2012

Writeacher
Thank you soooo much. you have helped me so much since yesterday, i really appreciate it especially since you helped me removew my doubtings. Again thank you.
January 22, 2012

science fair
maybe making them pat thier head and rub their stomach or hear a lecture and draw while youre hearing it and then answer questions on it
January 22, 2012

science fair
maybe making them pat thier head and rub their stomach or hear a lecture and draw while youre hearing it and then answer questions on it
January 22, 2012

science fair
Writeacher, its me again i just wanted to know if the experiment of the math test and music is enough for the multitasking project or should i include another experiment to prove the hypothesis. thank you soo much.
January 22, 2012

science fair
okay remove the gum...check now, do you think this is enough for the science fair or should i add another experiment? btw You are the best thank you sooooo much for your help Writeacher
January 21, 2012

science fair
should i take out the gum all together, or will the gum add more thought?
January 21, 2012

science fair
music during homework chewing gum during a test i had an idea to make a group to take a test with music and gum. another with gum only and music only and then another group with nothing. and make each group go through each situation and see which situation actually helps. but ...
January 21, 2012

science fair
thank you and i am starting to have second decisions. do you think i should change my idea? im in 9th grade what do you think?
January 21, 2012

science fair
Does multitasking help a person or mess up all tasks?(referring to human reaction) is there any way to make this topic more complex and difficult?
January 21, 2012

auditing
<11{1[3(02)02]}> Catherine goes to her local movie theater only to see romantic comedies. Since Catherine did not go to the movies yesterday, there is not a romantic comedy playing at her local theater. The reasoning above is flawed because the evidence (Points : 1)
January 8, 2012

math
Pranav reduced the size of a rectangle to a width of 7 inches. What is the new height if it was originally 49 inches wide and 28 inches tall?
December 19, 2011

math
There are 57 students in class of 6th and 7th graders. There are twice as many 6th graders. How many 6th graders?
December 7, 2011

Inter. acct.
You have been retained as a consultant by the company’s Audit Committee of the Board of Director’s, and asked to research three separate issues. First the typical acquisition costs associated with land purchases. Use the facts presented in Exercise 10-1 to illustrate...
December 5, 2011

chemistry
Ti(s)+2Cl2(s)-TiCl4(s) compute theoretical yield in moles 8 mol Ti, 8 mol Cl2
November 25, 2011

chemistry
For A pressure of 25.7 inHg would be how many kilopascals? I did the following, is this correct? 25.7 inHg X 25.4 mm/1in X 101.325 KaPa/760 mmHg = 87.0301 Kapa So: KaPa = 87.0
November 24, 2011

chemistry
A pressure of 25.7 inHg would be how many kilopascals? I received an answer but the person who helped me used mmHg. How do I convert inHg into mmHg to solve my questions. Help please
November 24, 2011

chemistry
For A pressure of 25.7 inHg would be how many kilopascals? This is the answer I received: 25.7 mmHg x (101.325 kPa/760.0 mmHg) The mmHg cancel each other out So 98.659 kPa My Question is I started out with inHg, and not mmHg. Would it be the same since I'm starting with ...
November 24, 2011

chemistry
Could someone please tell me how to solve this problem: A pressure of 25.7 inHg would be how many kilopascals? Could you please list the steps on solving it. Thanks
November 24, 2011

chemistry
how to solve for a 28.4 L sample of methane gas is heated from 35.0° C to 76.0° C. The initial pressure of the gas is 1.00 atm at 35.0° C. Assuming constant volume, what is the final pressure of the gas? OK, I did the following: P₁ = 28.4 L P₂ = ? T&#...
November 22, 2011

chemistry
Question: how to solve for a 28.4 L sample of methane gas is heated from 35.0° C to 76.0° C. The initial pressure of the gas is 1.00 atm at 35.0° C. Assuming constant volume, what is the final pressure of the gas? Could someone give me the setup for this? I know I ...
November 22, 2011

chemistry
A 28.4 L sample of methane gas is heated from 35.0 C to 76.0 C. The initial pressure of the gas is 1.00 atm at 35.0 C. Assuming constant volume, what is the final pressure of the gas
November 20, 2011

physics
Consider a roller coaster as it travels near the bottom of its track as sketched in the figure below. At this point, the normal force on the roller coaster is three times its weight. If the speed of the roller coaster is 27 m/s, what is the radius of curvature of the track? I ...
November 1, 2011

physics
In the figure below, m1 = 9.5 kg and m2 = 4.0 kg. The coefficient of static friction between m1 and the horizontal surface is 0.60 while the coefficient of kinetic friction is 0.30.
October 30, 2011

4th grade math
What is an expanded algorithm? Son doesn't know and didn't bring home his textbook, any ideas?
October 26, 2011

4th grade math
What is an expanded algorithm? Son doesn't know and didn't bring home his textbook, any ideas?
October 26, 2011

social studies
Tell your parents why you want to be drug free?
October 25, 2011

english (parts of a sentence)
Is (the worried lady) in the following sentence the subject or is it a adjective phrase? Gazing over her shoulder, the worried lady called for help. Can (my computer problem)in the following sentence be considered a dependent clause? If not could you explain what it is? Thanks...
October 21, 2011

science
what you could see at fire station?
October 13, 2011

social studies
why would 'STOP,DROP and ROLL' be effective to put out a fire?
October 11, 2011

science project
abbreviation for HOT
October 5, 2011

Science
6 m/s
October 2, 2011

science
what we can made out of trees?
September 27, 2011

Physics
Why would this happen? Aren't the vertical and horizontal components independent of each other thus making the swimmer swimming perpendicular to the shore arrive first at the opposite shore since the vertical component is the largest of the three other swimmers. That's...
September 21, 2011

social studies
how johnny chapman becomes johnny appleseed
September 21, 2011

6th grade math
16
September 18, 2011

Chemistry
If I have a bottle containing 12 ozs (355mls)and the alcohol is 48% by volume, how many mls of alcohol arer in the solution?
September 17, 2011

social studies
what are needs in our community?what are wants in our community?
September 14, 2011

science
what we made out of trees?
September 12, 2011

social studies
what are needs in your home?what are wants in your home?
September 12, 2011

chem
why is cellulose a tough material? why does cellulose need to be so tough? please help
September 8, 2011

math
Please help me! f(x)=(x+1)^3-2 1. How do I find the x and y intercepts, if any? 2. Describe the long term behavior of this function. Give the power function that F resembles.
August 30, 2011

englissh
I Think 16.c (DLL will not directly Communicates with PC's hardware) 17.d 18.c 19.c 20.d plz check it
August 28, 2011

chemistry
It would be difficult to separate Francium from ores. Francium is on the bottom left of the periodic table, therefore it loses electrons easily making it very difficult to give it the electrons necessary to separate it from ores
August 25, 2011

chemistry
#1)hydrochloric acid is a relatively strong acid . imagine that HCl is added to a buffer solution containing the weak acid phosphoric acid and a salt a)will HCl react with weak acid (H3PO4), or will it react with the salt (Na2HPO4)? b)one product of this reaction will be a new...
August 23, 2011

history
what were some social, political, and economic changes resulting from the hundred years war? And how did the war begin?
August 17, 2011

theology
if there is 4 of something and it is called: "Quadruple" What is the name given to 13 of something; like 4 babies are called: Quadruplets, what are 13 babies called?
August 15, 2011

Math
How would you do the inverse of this function: -1/7sqrt(16-x^2)? -I know you switch the x and y and solve for y. I keep on getting a weird answer. Help!
August 10, 2011

MATH
SIMPLIFY: 2+3x10/5x3-9=???
July 15, 2011

MATH
18 INCHES
July 15, 2011

MATH
FIND A PERIMETER OF A TRIANGLE WHERE ONE SIDE IS 2 INCHES, ONE SIDE IS 6 INCHES, ANOTHER SIDE IS 10 INCHES???
July 15, 2011

MATH
54
July 15, 2011

MATH
FIND THE AREA OF A TRIANGLE IF THE BASE (b) IS 9 INCHES AND THE HEIGHT (h) IS = 12 INCHES???
July 15, 2011

MATH
IT ONLY SAYS TO SIMPLIFY
July 15, 2011

MATH
BUT THERE IS NO PARENTHESES MS.?? I'M STUCK
July 15, 2011

MATH
2+3x10 DIVIDED BY 5x3-9= ????
July 15, 2011

Med terms
Dailys= Days
July 12, 2011

chemistry
which of the following is reduced in the reaction: Cu(NO3)2 + Zn --- Zn(NO3)2 + Cu
July 11, 2011

chemistry
Consider the reaction, C2H4 (g) + H2 (g)- C2H6 (g) where -137kJ of heat is released. How many kilojoules are released when 55.3g of C2H4 reacts?
July 10, 2011

science
what scientic evidence would you need to seettle the claim that famines are caused more by human than enviromental
July 4, 2011

Chemistry
A buffer solution is prepared by dissolving 0.400 mol of CH3COOH and 0.200 mol of CH3COONa in 1.00 L of water. 1.00 mL of 10.0 M HCl is added to a 100 mL portion of this solution. What is the final pH of the resulting solution? Ka of CH3COOH = 1.8 x 10¯5
June 26, 2011

Business Math
Cassandra is repaying an installment loan of $3,500 with 20 equal monthly payments of $196 each. what is the annual percentage rate of the loan?
June 19, 2011

Mathematics for business and Finance
The Patel family recently purchased a home, taking out a mortgage of $235,000 at 8 1/2% for 25 years. Excluding taxes and insurance, what is the monthly PITI payment of their loan?
May 27, 2011

Chemistry
HC2H3O2 + CH3(CH2)4OH (H2SO4)=?
May 8, 2011

Physical science
how can i calculate the number of: 1.molecules in 30g water.2.atoms in 50 dm^3 nitrogen gas.3.nucleons in 10 cm^3 flourine gas?
May 7, 2011

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