Questions Asked on
October 25, 2008

physics
The sun rotates around the center of the milky way galaxy at a distance of about 30,000 light years (1ly= 9.5*10^15m). if it takes about 200 million years to make one rotation, estimate the mass of our galaxy. Assume that the mass distribution of galaxy is
asked by jason 
Calculus
A rectangular swimming pool is to be built with an area of 1800 square feet. The owner wants 5foot wide decks along either side and 10foot wide decks at the two ends. Find the dimensions of the smallest piece of property on which the pool can be built
asked by George 
math
Suppose that ln2 = a and ln3 = b. Use properties of logarithms to write this logarithm in terms of a and b. ln8
asked by Kristina 
accounting
Kiddy Toy Corporation needs to acquire the use of a machine to be used in its manufacturing process. The machine needed is manufactured by Lollie Corp. The machine can be used for 10 years and then sold for $11,000 at the end of its useful life. Lollie has
asked by ryan 
Math pizzaz pre algraba
What magic tricj dies Mr.Utterbunk perform ever evening
asked by kate 
College Chemistry
Why must we add sodium bicarbonate (NaHCO3) to DCPIP/DPIP indicator (Dichlorophenol indophenol)when titrating juice for Vitamin C?
asked by Delphine 
Physics
Two strong magnets on opposite sides of a small table are shown. The longrange attractive force between the magnets keeps the lower magnet in place. Suppose the weight of the table is 26.1 N, the weight of each magnet is 8.99 N, and the magnetic force on
asked by Anonymous 
Physics...not sure what formula to use
A 2.0kg bag is held by a string to the ceiling. A 10g bullet travelling at 200m/s strikes the stationary bag. The height of the bag after the collision is 10cm, assuming there is no friction, determine the speed, in m/s, of the bag after the collision.
asked by Bobbie 
drwls please read
i know this might seem kind of long. but if you could please help me, i'd greatly appreciate it. a. suppose you have a tug of war with a friend who is the same size and weight as you are. You both pull as hard as you can, but neither of you seems to be
asked by Tony 
Maths  Polar Coordinate Systems
I've received an assignment to investigate the polar coordinate system compared to the cartesian one. Theres a question that asks you to investigate into how to convert polar coordinates into cartesian. From my text book, I know in Polar coordinates, that
asked by BM 
Gen Chemestry
A 27.6 ml volume of chlorine gas is collected over water at 23 C and 750 torr. The mass of the gas is 78.4 mg. The vapor pressure of water is 21 torr. a) What is the pressure of the chlorine gas? b) How volume does the chlorine gas occupy? c) How many
asked by Roth 
math
Suppose that ln7 = a and ln8 = b. Use properties of logarithms to write this logarithm in terms of a and b. ln root5(56)
asked by Kristina 
Science
Help answer this riddle please It survives to this very day,it helped TRex capture prey. Thanks
asked by Trisha 
Gen Chemestry
How many pounds of carbon dioxide are produced from burning one gallon of gasoline? assume gasoline is 100%, and the density of octane is .78g/ml.
asked by Roth 
Physics
A block slides down a frictionless plane having an inclination of 14.3°. If the block starts from rest at the top and the length of this incline is 1.77 m, find the acceleration of the block.
asked by Lucy 
math  so confused can you help me
The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for$21 You can buy a barracuda and a carp for $32 You can buy a carp and a dogfish for $32 You can buy a dogfish and an eel for $37 You
asked by Brandon 
Psychology
In the nature vs. nurture debate, what are some arguments that side with genetics (nature) being more influential on human development than human environment and experience (nurture)?
asked by Chrissy 
english
In the story "Lamb to the Slaughter", what was Mary Maloney's habits?
asked by roheena 
Physics
Jimmy has caught two fish in Yellow Creek. He has tied the line holding the 4.30 kg steelhead trout to the tail of the 1.39 kg carp. To show the fish to a friend, he lifts upward on the carp with a force of 87.7 N. What is the tension of the rope
asked by Lucy 
math same question as before with new questions to
The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for$21 You can buy a barracuda and a carp for $24 You can buy a carp and a dogfish for $32 You can buy a dogfish and an eel for $37 You
asked by Brandon 
Algebra
I am so confused with the rules of exponents. I know them, but I have a hard time applying them because of all the steps. I was wondering if someone would be willing to answer these questions, because I am unsure if my answers are right. x to the third
asked by Alexandria 
math
Express y as a function of x. The constant C is a positive number. ln y = ln x + ln C
asked by Kristina 
Math
The ratio of seven dimes to three quarters. It wants me to write this ratio in simpliest form. I really need to understand how to do this. I have a few more like this that I have to do. Thank You
asked by Amanda 
physics
A aeroplane with a mass of 9940 kg completes a vertical loop of radius 155m/s. What normal force does the airplane seat exert on the 92 kg pilot at the top of the loop and at the bottom of the loop?
asked by mike 
Math: unting and permutations
hi all, thanks in advance for the help How many even integers between 4000 and 7000 have 4 different digits? So, started by knowing "even integers" so know the last of the four has to be one of 2,4,6,8 or 0. (this might be the last part of this whole
asked by courtney's dad 
physics
A 3.2 kg block sits on a frictionless table that has a hole cut in the middle of it. The 3.2 kg mass is connected to a string that goes through the hole in the table and attaches to a 4.8 kg mass. The 3.2 kg mass moves in a circle of radius 0.2 m How fast
asked by mike 
math
Express y as a function of x. The constant C is a positive number. ln y = 9x + ln C
asked by Kristina 
english poetry
The poem Tyger Tyger What is it about? thanks tabby xx
asked by tabby 
Physics forces
i know this might seem kind of long. but if you could please help me, i'd greatly appreciate it. a. suppose you have a tug of war with a friend who is the same size and weight as you are. You both pull as hard as you can, but neither of you seems to be
asked by Tony 
Dog Breeds
Please check my answer thanks What are the two types of hair that make up a dog's coat? A. Outer guard and undercoat B. Under guard and topcoat C. Dense layer and outer layer D. Thick coat and thin layer I think it is B because based on the Anatomy of
asked by Copailia 
physics
the period of a comet is 100 years. At ists closest approach(perihelion), it is 0.37 AU from the sun. What is the semimajor axis of the comet's orbit? How for does it get from the sun(what is its aphelion distance)?
asked by jason 
Criminal Justice
As a detective with a local law enforcement department, you are one of the first to arrive at the scene of a driveby shooting, which resulted in the death of a teenage male. The shooting occurred at a corner gas station of a lowincome neighborhood. A
asked by Kaley 
Calculus
Explain the global optimization process for a continuous function over a closed interval. Be sure to identify all steps involved and clearly explain how the derivative is utilized in this process. Does this have to do with the first derivative rule or
asked by George 
World History
Why were the early cars expensive?
asked by Tizita 
math
The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for$21 You can buy a barracuda and a carp for $32 You can buy a carp and a dogfish for $32 You can buy a dogfish and an eel for $37 You
asked by Lily 
Algebra
Well someone please help me with this problem!!!!!!!!!!!! From a base elevation of 8200ft. a mountain peak in colorado rises to a summit elevation of 14701ft.over a horizontal distance of 15838 ft. Find the grade of the peak. The grade of the peak is what
asked by PJ 
Physics
d. Now you pull your sister across the floor so that she moves with increasing speed (accelerates). Compare the magnitude of the force exerted by you on your sister, with the magnitude of the force she exerts on you. Are they the same or different? If they
asked by Tony 
Physics
a)An object on a frictionless surface forms an angle of 27° with the horizontal. The object is pushed by a horizontal external force such that it moves with a constant speed. If the mass of the object is 72.3 kg, calculate the magnitude of the external
asked by Anonymous 
College Physics
Let's say you measure an average acceleration to be 0.3883 ms2. What is the height (in centimeters) of the riser block? Assume the legs of the track span 1.0000 m and that there is neither friction nor drag. Also assume the block is under one of the legs.
asked by Robert 
Biology
For a project, I have to make a food example of Smooth ER. My idea is a cake, frosted with fruit rollup as the smooth er, but that doesn't really show the funciton. (For example, jello shows the function of cytoplasm)
asked by Anonymous 
Physics
Forces of 10.4 N north, 19.7 N east, and 15.3 N south are simultaneously applied to a 3.73 kg mass as it rests on an air table. a)What is the magnitude of its acceleration? b)What is the direction of the acceleration in degrees? (Take east to be 0 degrees
asked by Anonymous 
physics
A aeroplane with a mass of 9940 kg completes a vertical loop of radius 596m with a speed of 155m/s. What normal force does the airplane seat exert on the 92 kg pilot at the top of the loop and at the bottom of the loop?
asked by mike 
algebra  Help!
The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for$21 You can buy a barracuda and a carp for $32 You can buy a carp and a dogfish for $32 You can buy a dogfish and an eel for $37 You
asked by Kate 
com220
Imagine you are talking with a student who does not know how to identify the thesis in this article AIDS in Africa: Dying by the numbers. What suggestions might you propose to help the student understand the task at hand?
asked by lynn 
com220
For your final research paper, it will be helpful to include counterarguments. Did Christensen use any counterarguments in his article? Were they needed to advance his thesis? AIDS in Africa: Dying by the numbers.
asked by lynn 
com 140
Write a letter to one party, a memo to one party, and an email to one party. Each communication must be a maximum of 250 words
asked by MIKE SMART 
Calculus (Global Max)
Explain the global optimization process for a continuous function over a closed interval. Be sure to identify all steps involved and clearly explain how the derivative is utilized in this process. Does this have to do with the first derivative rule or
asked by George 
Dog Breeds
Please check my answer thanks 2. A purebred Maltese has mated with a homeless mutt. The puppies produced will be A. mostly purebreds. B. mixed breeds. C. purebreds. D. pedigreed. I say B
asked by Copailia 
math
How do i find the input and out put of these numbers input output 25 15 30
asked by marcia 
accounting
I NEED HELP; I'M LOST Trader sells 15 units for $25 each on December 15. Eight of the sold units are from the December 7 purchase and seven are from the December 14 purchase. Trader uses a perpetual inventory system. Determine the costs assigned to the
asked by Girlie 
Finance
i Craig: I am already having trouble understanding Chapter 6, problem 2 on page 207 of textbook. I am currently on week 3 of the FIN 200 class. The problem reads as follows: If you require a 9 percent return on your investments, which would you prefer? a.
asked by Reba 
ENGLISH
I've been given this question for the novel THE GREAT GATSBY and have been stuck on how to answer it for hours. "Boy meets girl...boy loses girl" this novel is merely another love story. to what extentdo you share this opinion of the novel? Im not sure how
asked by ANNABELLE 
math
An appliance dealer marks up refrigerators 15% (based on cost). If the cost of one model is $600, what should its selling price be? I'm not very good at percent please help
asked by Shavona 
Math
write 109 3/4 as a decimal write 0.3246 as a percent
asked by James 
PreCalculus
How do I solve: sin theta = 1 for all real values of theta?
asked by Mary 
Geometry
The surface of a cube is painted red and blue, 3 sides of each color. the cube is then cut into 27 equal sized smaller cubes. A: How many cubes have at least 2 sides painted blue? B: How many cubes have at least 1 side painted red?
asked by ? 
math
how many 5digit palindromes exist? i get 9*10*10*10*9=81000 is this correct? my thinking being that the first and last digit must be 19 and the other 3 09. thanks again for the time and effort. oh, and if any of you fine folks have the time could you
asked by courtney's dad 
science
I am in seventh grade. I need to draw the structure of a lipid, protein, carbohydrate. Is there a simple way to draw these? Thank you.
asked by rochelle 
geometry
What solid figure do u get when u rotate a right triangle about 1 of it's leg?
asked by ? 
Spanish
When do you use Ser vs Estar? is there some kind of memory tool I can use?
asked by Ramiella 
Dog Breeds
Please check my answer thanks 1. Which of the following dogs would be best suited for an elderly man who lives in a highrise building, has two cats, and adores tiny breeds? A. Chihuahua B. Pomeranian C. English Toy Spaniel D. Silky Terrier I say A
asked by Copailia 
AlgebraReally need help!
Here is the problem that I need to solve: y = ab  ac ² (that is a second power symbol if you can't tell). I need to solve the problem for a. Thank you!
asked by Celina 
english
do you think that ease does not callenge us and that we need adversity to help us discover who we are?
asked by Anonymous 
math
how do i do distributive property math problem ?
asked by michela 
language and Diversity
How do schools meet the needs of the ELL students without breaking state laws?
asked by sally 
Geometry
The surface of a cube is painted red and blue, 3 sides of each color. the cube is then cut into 27 equal sized smaller cubes. A: How many cubes have at least 2 sides painted blue? B: How many cubes have at least 1 side painted red?
asked by ? 
History
Do you agree with Darwin's idea of natural selection. Why or why not. Give minimum of 3 examples. thanx
asked by Maryanne 
Math
The electricity costs of a business increased from $18,000 one year to $19,000 the next. To the nearest whole percent, what was the rate of increase?
asked by James 
Book Report Poster
Where can I find "How to do a Book Report Poster".
asked by Patty 
Algebra
Here is the problem that I need to solve: y = ab  ac (to the second power). I need to solve the problem for a. Thank you!
asked by Celina 
physics
a 9.9*10^23 kg planet orbits a star in a circular orbit. The planet is 5.6 AU away from the star and has an orbital velocity of 32 km/s. What is the mass of the star. (1AU = 1.496*10^11m)
asked by jason 
Math
Use properties of logarithms to find the exact value of this expression. Do not use a calculator. 6log6 8  log6 7
asked by Kristina 
math
Solve this equation. Verify your solution using a graphing utility. log_a(x  1)  log_a(x + 6) = log_a(x  2)  log_a(x + 3)
asked by Kristina 
science
How bad are lice really for your health and can they cause any major diseases?
asked by mysterychicken 
math
THIS IS SYSTEM OF EQUATIONS:SUBSTITUTON Y=2X8 XY=2 I KNO THAT U COMBINE SO IT WILL BE X2X8=2 WHICH WLL BE 3X8=2 BUT I DON'T KNO HOW TO FINISH TH REST......CAN SOMEONE HELP ME....... IF DID SOMETHING WRONG PLEASE TELL ME
asked by kris 
english
How does Marry Maloney looks like in the story "Lamb to the Slaughter", and what are her habits in the story?
asked by roheena 
seventh grade science
what is a monomer what is a polymer what is the structure of a protein
asked by david 
French
if I want to say "with some other people" in French, is it supposed to be "avec des autres gens" or "avec d'autres gens?" Merci
asked by RC 
US History
Does the scientific evidence strongly suggesting that Jefferson did father Hemings's children alter your perception of Jefferson?
asked by Mike 
math
How do i find the input and out put of these numbers input output 25 15 30 18 35 21 40 24
asked by marcia 
com220
Emotional Appeal has no place in expository writing. Do you agree? Why, Why not?
asked by lisa 
business law
I need help with 10 short answer questions
asked by jarvis 
english
Identify and name any rhetorical
asked by sharon 
Finance
The Mutual Assurance and Life Company is offering an insurance policy under either of the following two terms: a. Make a series of 12 payments of 1,200 at the beginning of each of the next 12 years (the first payment being made today) b. Make a single
asked by Angel 
com220
In what ways are fullsentence outlines more beneficial than topic outlines? 2. What steps will you take to turn your outline into the body of your rough draft?
asked by lynn 
Math
what percent of 920 is 598
asked by Shavona 
algerba
A triangle has base 14 feet (ft) & an altitude of 6 ft. Find its area
asked by Stephaine 
English
I have a paper due tomorrow and I need to include my personal interview, how would I do this in APA format? Any help would be greatly appreciated.
asked by Noah 
Dividing fractions
how do i do 3 and 3/4 divided by 12 and 1/2 plz help
asked by kate 
math
Solve this equation. Verify your solution using a graphing utility. log_1/3(x2 + x)  log_1/3(x2  x) = 1
asked by Kristina 
college
If preferred stock was issued at 50 dollars a share at 8% annual interest rate what would be the annual yeild?
asked by DENNIS 
intrest groupsgov and pol
Define the term "dirty dozen" i found two definitions online is it : The US state department hit list of the 12 most wanted in Saddam's regime, including his sons Uday and Qusay, or The list of the twelve most persistent organic pollutants (POPs) banned at
asked by Beth 
business
the shortcoming of historical cost accounting when price are changing
asked by osai 
4th grade
I WAS GIVEN HOMEWORK AS A GROUP DISCUSSION ON PARKS AS A PUBLIC PROPERTY. I WANT INFORMATION ON THIS TOPIC TO SAY IN THE CLASS TOMORROW.
asked by abdul rahman 
math
the minimum size dance floor that the prom committee is considering 30 by 30 . they assume that this size will allow 100 couples to be on the dance floor at once. how many square feet of dance space per couple does this size allow?
asked by thao 
math help needed
the question is: 3x2z7 if x=3 and z= 1 i did the the question and got the answer  14 ....but the answer key that i got say 20....can anyone help me... with this plz....
asked by alisha 
Dog Breeds
Please check my answer thanks 2. A purebred Maltese has mated with a homeless mutt. The puppies produced will be A. mostly purebreds. B. mixed breeds. C. purebreds. D. pedigreed. I say B
asked by Copailia 
Cultural diversity
Explain the difference between Muslims and Arabs
asked by L 
math urgent help needed
the question is: 3x2z7 if x=3 and z= 1 i did the the question and got the answer  14 ....but the answer key that i got say 20....can anyone help me... with this plz....
asked by Anonymous 
rudcing fractions
how would i reduce 45/108 or make it a mix numberb
asked by kate 
Math
Identify the rate in the following statement: 75 is 15% of 500 A) 75 B) 500 C) 15%
asked by James