Questions Asked on
June 19, 2012

Chemistry
While heating two different samples of water at sea level, one boils at 102°C and one boils at 99.2°C. Calculate the percent error for each sample from the theoretical 100.0°C.
asked by Carley 
Foreign languages
I urgently need you to check these sentences, too. Thank you. 1) Pay in cash (or pay cash?) 2) Have you ever tried shopping on line OR online shopping? 3) They are planning to open a shopping centre on the edge/on the outskirts of town. 3) Imagine to dance
asked by Mike 
Physics
An ant crawls on a tabletop. It moves 2cm East, turns 3cm 40(degrees) North of East and finally moves 2.5cm North. What is the ants total displacement?
asked by Helpme 
chem
which choice identifies the spectator ions in the following reaction cuso4 aq bacl2 aq > bacl2(aq) baso4(s)+cucl2(aq)
asked by juan rdz 
chemistry
What volume of a 2.5 M stock solution of acetic acid (HC2H3O2) is required to prepare 100.0 milliliters of a 0.50 M acetic acid solution?
asked by nhfgchnr 
Physics: Vectors
A hiker walks 10.0 km[NE], 5.0 km[W], and then 2.0 km[S] in 2.5 h. (a) What is the hiker's displacement? (b) In what direction must the hiker set out, in order to return by the most direct route to the starting point? (c) If the hiker walks at a constant
asked by Joey 
Physics
A train travels at a speed of 24 m/s. Then it slows down uniformly at 0.065 m/s2 until it stops. What distance does the train travel while slowing down?
asked by LaWanda 
Physics
A thin uniform rod (length = 1.3 m, mass = 3.2 kg) is pivoted about a horizontal frictionless pin through one of its ends. The moment of inertia of the rod through this axis is (1/3)mL2. The rod is released when it is 50° below the horizontal. What is the
asked by Tim 
math
two crooks rob a bank and flee to the east at 66mph. In 30mins, the police follow them in a hellicopter. flying at 132mph. How long willit take for the police to overtake the robbers? I came up with 60mins. i don't think it right! please help with distance
asked by ^^^^kesha 
to ms.sue
when i do this: Please select one of the two narrative prompts and write a rough draft. On the first day of school you will turn in the rough draft and any graphic organizers that you used to create your draft. The rough draft will be taken through the
asked by Celest 
Physics
A train travels at a speed of 24 m/s. Then it slows down uniformly at 0.065 m/s2 until it stops. What distance does the train travel while slowing down?
asked by LaWanda 
Precalculus
You have a total of 820 feet of fencing to enclose a large retangular larea and divide it into four smaller pens of the same dimensions. The fencing used to divide the large pen must be parallel to the same side of the large rectangle. Maximize the total
asked by Jackie 
maths
Twenty six years from now rajesh will be thrice his present age. what is present age
asked by JOSHI 
MATH
List the elements of the following sets where P = {1,2,3...} A={x:x € P, 3 < x < 12} B={x:x € P, x is even, x < 15} C={x:x € P, 4 + x € 3} D={x:x € P, x is multiple of 5}
asked by kensaki 
algebra
Christine found three pieces of cable in her tool drawer. Here are their lengths (in meters). What is the total length of the three pieces?
asked by iris 
trig
A roadway rises 55ft in horizontal distance of 1/2 mile (1mile=5280ft) Find the tangent of the angle that it makes with the horizontal.
asked by Anonymous 
chem
Which has the lowest freezing point?Select one of the options below as your answer: A. pure water B. 0.5 M ionic NaCl C. 0.5 M ionic CaCl2 D. 0.5 M ionic AlCl3 E. 0.5 M molecular C12H22O11
asked by ricky 
Calculus
The perfect pizza parlor estimates the average daily cost per pizza to be C(x) = (0.00025x^2 + 8x + 10)/x , where x is a number of pizzas made in a day. a) determine the total cost at the level of production of 50 pizzas a day. b) determine the production
asked by Yun Gao 
Human Resources
This causes compensation survey data to become obsolete fairly quickly
asked by Anonymous 
english lit
why is the poem "i know why the caged bird sings" is a good poem. I know why the caged bird sings by Maya Angelou The free bird leaps on the back of the wind and floats downstream till the current ends and dips his wings in the orange sun rays and dares to
asked by hickman 
programming in c++
a program in c++ that accepts exam marks for 10 students and stores them in an array.the program should then calculate and utput the average marks for the class.and give an account of marks below average and output all marks above average.
asked by vivian 
maths
factorise a) m^327n^3 b) 64a^3b^4+216a^6b c) (a+b)ab
asked by NATASHA MALIK 
Math
Input a list of positive numbers (terminated by 0) into an array find the mean (average) of the numbers in the array and output the results. Use a subprogram to input the numbers, a function to find the mean and a subprogram to output the results
asked by Tifiani 
Physics calculus based
Consider the Sun to be at the origin of an xycoordinate system. A telescope spots an asteroid in the xyplane at a position given by (x, y) with a velocity given by (vx, vy). [DATA: (x, y) = (3.3, 5.2) ×10^11 m; (vx, vy) = (6.1, 4.0) ×10^3 m/s.] (A)
asked by JASON 
college math
the speed limit on a local highway is 65 miles per hour. what is this speed in km/hr
asked by Lourane 
Physics
A 60 kg high jumper lands on a foam pit and comes to rest. If the pit is able to exert an average force of 600 N on the high jumper in breaking the fall, what is the jumper’s acceleration?
asked by Estefani 
chem
How many molecules of (CH3)2NH are needed to react completely with 2.00mg of H2C2O4? Help i don't understand this process!
asked by Piper 
college math
Rebekah's recipe for 4 1/2 dozen cookies calls for 6 cups of sugar. how many cups of sugar are needed to make 8 dozen cookies? would the correct answer be 11 2/3 cups
asked by Lourane 
Physics
A ball is thrown directly upward with an initial velocity of 12 m/s. If the ball is released from an initial height of 2.9 m above ground, how long is the ball in the air before landing on the ground? Ignore air drag.
asked by Bland 
Calculus
lim x^2+2x8/x^24 x>2
asked by Danielle 
Writing:Quotes, Journal
Please may you check my answers for a quote that says> Knowledge speaks, Wisdom listens. This quote indicates that people with knowledge will give aedvices to people, and people that listens to the individuals are wise to do so. For an example, let's
asked by Losa 
business law
Janet Wilson accepts an IOU from her employer in place of a paycheck. Wilson offers the IOU as payment for her groceries. Do you think the grocery store is likely to accept this type of payment?Why? My answer: No, because an IOU is not a reliable source of
asked by just a student 
college math
Last month Bill's electric bill was $80.77. This month it is $69.06. what is the percent decrease? $80.77  $69.06 = $11.71 , I don't understand multiply decimal by 100 to get the decrease
asked by Lourane 
Physics
A small circular object with mass m and radius r has a moment of inertia given by I = cmr^2. The object rolls without slipping along the track shown in the figure. The track ends with a ramp of height R = 3.0 m that launches the object vertically. The
asked by James 
algebra 1
Opening a book with 2 facing pages. The product of the page numbers is 600. What are the page numbers?
asked by kathy 
Mathematics
how many times greater is the place value of a digit of a number than the place value of the next digit to its right?
asked by lauren 
geometry
An open rectangular glass tank with a horizontal base PQRS measures 80 cm by 50 cm by 34 cm. 110 liters of water is poured into the tank. v The tank is tilted towards edge PQ until the water just reaches the edge TU. w Calculate the value of d. s
asked by pamela 
statistics
the lenght of a species of fish is normally distributed with a mean of 24.3 inches and a standard deviation of 1.8 inches. What is the lenght that is exceeded by 30%of these fish
asked by Anonymous 
Algebra
Find two consecutive odd numbers that add to 208, when the smaller number is added to five times the larger number.
asked by Vilma 
college math
Find the value of the expression 99 x 4/9 (5=4)
asked by Lourane 
geometry
What is the exact circumference of a circle with a diameter of 15 inches.
asked by angela 
To JMartina
Please do not post your email address here. Repost your question, please.
asked by Ms. Sue 
to ms.sue project part 3 and 4
•On the second page write the three character traits you chose in the squares. On the third page, show support for each trait listed on the second page. Draw a picture of the character displaying the trait and write a caption. On the last page draw a
asked by Celest 
Chemistry
600cm3 of a gas has a pressure of 1200mmHg find its volume if the pressure is reduced to 1001mmHg
asked by Bala 
chemistry
find the specific heat of lead using 200 g of pb at o degrees celcius and placing it in 200 g of water at 60 degrees celcius
asked by Kathleen 
physics
What will be the equilibrium temperature when a 273 g block of copper at 298°C is placed in a 132 g aluminum calorimeter cup containing 815 g of water at 11.4°C?
asked by cassie 
Economics
Stabilizing the national economy.. What effect is an increase in tax rates likely to have on the underground economy? Why?
asked by Kathy 
algebra
When Amy drives her car to work, the trip takes 1/2 hour. When she rides the bus, it takes 3/4 hour. The average speed of the bus is 12 mph less than her speed driving. Find the distance she travels to work.
asked by Molly 
Math
I am a six digit number. Two of my digits have the values 300 and 4000. All the digits in my thousands are the same. The remaining digits are also the same and their sum is the 10.
asked by Enzo 
geometry
how far from the wall should he place the ladder? If his ladder is 13 feet long and has to reach a 12 feet window.
asked by rose 
Calculus  please check my work
differentiate each function a) y = cos^3x b) y = sin(x^3) c) y = sin^2 xcos3x my answers: a) y' = 3cos^2 x(sinx) b) y' = cos(x^3)(3x^2) c) for this one, i don't know which one is correct. i got 2 different answers but i think they may be the same.. im not
asked by Henry 
chemistry
Who much molar energy is releced from reacting NaHSO3 and HOCl?
asked by keren 
Physics
A solid ball and a hollow ball, each with a mass of 2 kg and radius of 0.1 m, start from rest and roll down a ramp of length 3 m at an incline of 44°. An ice cube of the same mass slides without friction down the same ramp. What is the speed of the ice
asked by Maria 
MICROECONOMICS
In order to reduce cigarette consumption, govt initiates antismoking media campaigns. At the same time it provides price support program for tobacco farmers, pushing price of tobacco above equilibrium. with supply demand framework explain the effect on
asked by Titir 
MATH
Brandon received a book for his birthday and read seventysix pages in 4 hours. Later, he read eightyfive pages in 5 hours. Does his reading follow a direction variation? Explain
asked by leya 
chemistry
Nitrogen13 has a halflife of 10 minutes. Given a starting mass of 2.00 g of nitrogen13, how many grams will remain at the end of 30 minutes?
asked by drew 
algebra
When Amy drives her car to work, the trip takes 1/2 hour. When she rides the bus, it takes 3/4 hour. The average speed of the bus is 12 mph less than her speed driving. Find the distance she travels to work.
asked by Molly 
statistics
for the population consisting of four abservations 1,3,5,7, find the dampling distribution of the sample mean for sample size n=2
asked by Anonymous 
Chemistry
Methanol(MM=32.04g/mole) is sometimes used as fuel for race cars, since methanol fires are easily extinguished with water. the energy content o methanol is investigated in a highquality calorimeter for which the heat capacity is known to be 4.5Kj/C. When
asked by Anonymous 
Statistics
Fo each pair of variables, is the association likely to be positive or negative, or no association and why Car size in square feet and cost of car($) Temperature outside in the winter and propane consumed to heat house Amt of soda pop consumed and GPA
asked by Rochelle 
AlgebraHELP!!!!
When Amy drives her car to work, the trip takes 1/2 hour. When she rides the bus, it takes 3/4 hour. The average speed of the bus is 12 mph less than her speed driving. Find the distance she travels to work.
asked by Molly 
geometry
Can somebody help me with Proofs in Geometry Given:M
asked by Jay 
Economics
Stabilizing the national economy.. What effect is an increase in tax rates likely to have on the underground economy? Why?
asked by Kathy 
english
in one particular lesson something happens in the hotel but the name of the lesson is titled THE NIGHT AT THE HOTEL my point is when something happens inside the hotel during night time why the preposition IN is not used rather than AT will you please
asked by R S Telagathoty 
Physics
A 2.00kg mass is hanging on a vertical compressed spring 1.0 m above the floor.The spring constant is 75N/m and the spring is compressed 0.90m. The mass is released so that it falls vertically.Determine 1) The acceleration of the mass when it was dropped.
asked by roger 
college math
Last month Bill's electric bill was $80.77. this month Bill's bill was $69.06. What is the percent decrease?
asked by Lourane 
R.E
me teacher has asked us to make some questions on guru nanak and i am not sure what to put so i was wondering is someone can help me
asked by Alex 
Econ
What effect is an increase in tax rates likely to have on the underground economy? Why?
asked by Kathy 
math
A roadway rises 55ft in horizontal distance of 1/2 mile (1mile=5280ft) Find the tangent of the angle that it makes with the horizontal.
asked by Anonymous 
Math
if there are 145 test questions, and the mean of the test scores for a class is 100 with a standard devation of 15, what percentage of the people taking the test would have the following scores: scored b/w 100 &115, scored b/w 100 & 115,scored b/w 0 & 100,
asked by Anonymous 
to ms.sueproject part 2
•On the cover include the names of the author and the book in the lower right hand corner of the book. Your title across the top should read “Name of Character’s Trait Flip Book”. Example  “Big Bad Wolf’s Trait Flip Book” What does this
asked by Celest 
math
what is the stopping distance for a work truck weighing 4,685 lbs plus cargo of 1000 lbs traveling at 35mph?
asked by Brian 
geometry
The number of dry cleaning orders picked up at Sunny Fresh Dry Cleaners was sampled over 12 hours periods. Below is the sample 71 86 63 46 70 63 49 63 81 71 63 59 45 63 70 64 Construct a stem and leaf plot of the data.
asked by angela 
college math
Carl weighs 4 times more than his daughter. If Carl weighs 204 pounds how much does his daughter weigh? would the correct answer be 51 pounds
asked by Lourane 
maths
The number of boys is 3/2 the number of girls in the class. the total strength of class is 40.what is the number of girls?
asked by JOSHI 
math
Graph each linear equation. plot four points for each line. y=2x3
asked by Anastasia 
physcial edu
discuss the results of "Life even stress test" in terms of its implication for your having a stress illness this year. List atleast 4 or 5 factors that influence this implication. can somebody please help me with this question
asked by Andy 
mathematics
what is sevendigit number if the ones digit is the sum of the millions digit and thousands digit is and the digits is the number from the largest value to the smallest place value are consecutive numbers.
asked by lauren 
Desktoping
1. which of these is NOT one of the rules for the care of CDs? A. Hold the CD by putting your finger through the hole in its center B. Avoid getting fingerprints on the CD C. Store CDs away from heat D. Return the CD to its case when you are not using it I
asked by Ciara 
reading
in "After Twenty Years" how are jimmy and bob similar and different
asked by Taylor 
Calculus
Determine the work done by the force F = [1, 4], in newtons, for an object moving along the vector d = [6, 3], in meters.
asked by Yun Gao 
Algebra II
Find the value of the annuity? a^1=2,000,I=0.06, n=5 What is the future value of the annuity?
asked by Kashata Warren 
stadistics
If 200 of the adults surveyed were in the age category of 24 and under and they provided a standard deviation of $14.50, construct a 95% confidence interval for the weekly average expenditure on fast food for adults 24 years of age and under. Assume fast
asked by victoria 
Intermediate Algebra
Rewrite with positive exponents assume that even roots are nonegative and that all demonintors are nonzero. (6xy) 3  4 The parenthesis is supoose to be around the line as well as the four. I just don't know how to make my computer do that. This is what
asked by ladybug Please Help!! 
mathematics
the base of isoceles triangle is 4/3 cm. the perimeter of the triangle is 4 2/15. what is the length either of the remaining equal size
asked by adithya 
Foreign languages
Can you check these last sentences? Thank you, Writeacher! 1) He is learning to drive a moped. 2) I'm teaching him to speak French. 3) I wonder whether to reply to his email or not. 4) We were obliged to postpone the meeting. He was the first to hand in
asked by Mike 
Foreign languages
I left out the following sentences. Thank you. I also need to find an example with "demand" followed by the infinitive. 1) They demand the bridge to be closed (?). Keep the book open and check the sentences yourself. Active/passive 2) He let me go to the
asked by Mike 
book
what are some possible reasons for a letter of reccomendation for the book Their Eye's Were Watching God?
asked by deaija 
penn foster
A causeandeffect relationship must be stated or evident in order to code which of the following? A. Sequence B. Hypertensive condition C. Atherosclerosis D. Manifestation unsure of answer? 16. Which of the following is true about the ICD10CM? A. An
asked by james 
Maths
how to do algebra homework in a easy way?
asked by Classof 
maths
factorise: a) 4(xy)^212(xy)(x+y)+9(x+y)^2 b) (ab)^3+(bc)^3+(ca)^3
asked by NATASHA MALIK 
Math
give the number whose hundred place is onethird of the greatest onedigit number, the tens place is twice the hundred place, the ones place is four times the digit in the hundreds place divided by 2, and the three digits in the thousands period is the
asked by henri 
Algebra(please help)
Will someone please help me withthis question I couldn't solve it. What is the length of the segment whose endpoints are A(2, 3) and B(10, 7)? a)2 Sqrroot29 b)2 Sqrroot41 c)4 Sqrroot2 d)2 Sqrroot5
asked by Liz 
College
Another term that means the same thing as "insurance company" is:
asked by Jana 
Physical edu
Does Diet play a role in stress? its False right?
asked by Andy 
help please :)
Actual payments by an insurance company for losses that happen are called: A. benefits. B. coverage. C. premiums. D. insurable interest i got B.
asked by kimiy 
help please :)
Expensive jewelry is usually insured by a(n): A. umbrella policy. B. replacement cost rider. C. policy floater. D. namedperils policy. i got B.
asked by kimiy 
to ms.sueproject part 2
isnt it supposed to be : Kate Barlow's Trait Flip Book across the top?
asked by Celest 
Foreign languages
Can't you have the structure "have someone do something" in American English? Thank you very much, Writeacher. I had her get a piece of chalk.Active She was asked (requested??) to get a piece of chalk. Passive (??)
asked by Mike 
math
what is the stopping distance of a 3500 lb work truck traveling at 35mph?
asked by Brian 
Math
Can someone explain how to work and graph this problem. f(x)=x^2+6x+5
asked by john 
WRITING
How Do I think of One Specific and Significant question as I was reading The Book , My Brother Sam Is Dead by Christopher Collier & James Lincoln Collier
asked by Munira 
Reading: Pierce arrow
What does it mean by REDESIGNING COMPLICATED MACHINERY? Its a type of work i think.
asked by Losa 
Business Communication
1. When people read at work, they. A. want to question your statements. B. WANT TO UNDERSTAND your point with as little effort as possible. C. WANT to read your carefully. D. Compare your writing with Lincoln's.
asked by Carline 
Calculus
determine where f(x)={x^25x+6/x3, if x3 is discontinuous.
asked by Melissa 
Foreign languages
Can you please check these sentences, Writeacher? It's urgent. 1) I'd like to get/have my money sorted out ( I need a synonym) before I leave for university. 2) I want the bank to give (issue is possible?) me a credit card. 3) I've tried many times to stop
asked by Mike 
brain teaser
a small child is lost in a snow storm. How will you find the child who is wearing white cap, white eyed gear, white coat, white pants and white boots
asked by Sushant pradhan 
Physics question
Students decide to measure a projectile's range for an initial projectile angle of 45°. This angle has many advantages, not the least being that since the expression for the range is proportional to the sine of twice this angle, errors in determining the
asked by Anonymous 
college math
Ms. Sue will the correct answer be 0.16 for the percent decrease. this question electric bill $80.77 $69.06 = $11.71
asked by Lourane 
Managerial Accounts
How do you find the acccounts receivable, in a cah budget.
asked by Anonymous 
math
I know that the obvious pattern between circle and square alternates. If you have a circle with 6 dots inside, then a square with 6 dots inside, then a circle with 6 dots inside, then a square with 6 dots inside. i know the next one is going to be a circle
asked by bethel 
reading
in "after twenty years" how much has jimmy changed over the years
asked by Taylor 
Math
Hi, I can't seem to figure out the answer to this problem. Thanks to anyone who can help! *Solve the system of equations. Write your solution(s) in the form (x,y). y = x^2 x^2 + y^2 = 20
asked by Hollie 
Art
The statue, Bodhisattva Padmapani, (search on yah oo, and go to the first website listed to see a picture of it) I need to write what expression he gives off, and 4 characteristics. Characteristics  Broad face, Elongated eyes, Long curved eyebrows, and a
asked by Anonymous 
college math
Solve 3x=12(x1) would the correct answer be x=15/13
asked by Lourane 
algebra
the set of months after june
asked by rainie 
math
write y in terms of x 4y+5x=8
asked by Stefanie 
college math
Solve 7=m/5 the correct answer be m=35
asked by Lourane 
language
What's the noun and verb in seek his will in all you do and he will direct your path.
asked by cynthia 
to ms.sue
can you help me with the project now?
asked by Celest 
Macroeconomics
Describe how each of the following will affect the equilibrium price level(P) and real output(Y) in the short run(Assume the economy is initially in the longrun equilibrium.) (a) A reduction in the real interest rate (b) A widespread fear of deep
asked by Cody 
math
prove that, apart from y=a^x and y=0, there exist no other continuous functions such that for any real x and y the equation f(x+y) = f(x)f(y) holds.
asked by jeena 
to ms.sueproject #1 check
Kate Barlow 1. skillful 2. fair 3. fearless HOW? skillful she knows how to make spiced peaches and teach children and adults fair she traded sam 6 jars os spiced peaches for him to fix her roof i need one more,what word do u use to describe: kept calm
asked by Celest 
differential equation
xy
asked by sd 
Math
5xy=1 10x2y=2
asked by Tina 
math
28x^2 – 196xy + 343y^2
asked by libra 
Math
ab^2+4b+5 (2,) , ( ,2)
asked by Anastasia 
math
y=2x3
asked by Anastasia 
to ms.sue project
i don't know 3 character traits for kate barlow and why
asked by Celest