Questions Asked on
September 24, 2007

Physics
A cube is located with one corner at the origin of an x, y, z, coordinate system. One of the cube's faces lies in the x, y plane, another in the y, z plane, and another in the x, z plane. In other words, the cube is in the first octant of the coordinate
asked by Mary 
math
a company finds it can produce 5 heaters for $1750, while producing 10 heaters costs $2900. express the cost y, as a linear function of the number of heaters x. how do u begin 2 do this??
asked by helppp!!!! 
Engineering Economy
A young engineer wishes to become a millionaire by the time he is 60yrs old. He believes that by careful investment he can obtain a 15% rate of return. he plans to add a uniform sum of money to his investment program each year, beginning on his 20th
asked by John 
Honors PreCalculus
The latitude of Durham, North Carolina is 36 degrees North. About how far from Durham is the North Pole? Use 3963 miles for the radius of the Earth. I believe there is a formula of s=r times the feta angle, but you may have to convert the degrees to
asked by Anonymous 
Engineering Economy
The football coach at the Midwestern university was given a 5yr employment contract that paid $22500 the first year and increased at an 8% uniform rate in each subsequent year. At the end of the first year's football season, the alumni agreed to buy his
asked by John 
can anyone tell me if im right if not, help me??
3. Assume that there are 12 map units between two loci in the mouse and that you are able to microscopically observe meiotic chromosomes in this organism. If you examined 200 primary oocytes, in how many would you expect to see a chiasma between the two
asked by stew 
Physics
A spherical surface completely surrounds a collection of charges. Find the electric flux through the surface if the collection consists of each of the following. (a) a single +3.70 106 C charge N·m2/C (b) a single 2.90 106 C charge N·m2/C (c) both of
asked by Mary 
Physics
Speedy Sue during is driving at 30.0m/s and enters a 1 lane tunnel. She then observes a slow moving van 155m ahead traveling at 5.0m/s. She applies the brakes but can only accelerate at 2.0m/s^2 b/c road is wet. a) will there be a collision? How do you
asked by ~christina~ 
Math Finance
Rex Corp's EBITDA last year was $385,000 (= EBIT + depreciation + amortization), its interest charges were $10,000, it had to repay $25,000 of long term debt, and it had to make a payment of $20,000 under a long term lease. The firm had no amortization
asked by Steve 
Statistics
A soft drink vending machine is supposed to fill cups with pop. The cups hold exactly 8 oz of liquid. Suppose the actual amount dispensed by the machine follows a normal distribution with mean 7 oz. If it is found that exactly 4 percent of the cups
asked by Lily 
literature
what is the climax of the story "Poison" by Roald Dahl?
asked by lora 
need help with these two, please
Given that loci A and B in Drosophila are sexlinked and 20 map units apart, what phenotypic frequencies would you expect in male and female offspring resulting from the following crosses? (Assume A and B are dominant to a and b, respectively). A) AaBb
asked by stew 
math
The smallest nonpalindromic number whose square is a palindrome?
asked by Ben 
WORLD HiSTORY
EXPLAiN THE MUTUAL OBLiGATiONS OF THE FEUDAL SYSTEMS.
asked by ANDiE 
Chemistry
calculate the wavelength of the second line in the Brackett series (nf=4) of the hydrogen emission spectrum. Rh= 2.180e18 any help please? i know its energy levels 4 to 6... but that is all.
asked by Lily 
science
theodor Schwann work alone to develop the cell theory?
asked by melissa 
Math
round 69.2456 to 2 decimal places i don't know how to do it
asked by Emily 
physics
a tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.0m/s. the car is a distance d away the bear is 26m behind the tourist and running at 6.0m/s. the tourist reaches the car safely what is the maximum
asked by ajo 
Physics
A boat moving at 15 km/h relative to water is crossing a river 1.5 km wide. The river flows at 5.0 km/h a) if the boat heads directly for the opposite shore, how long will the trip take? b)Where will the boat arrive on the opposite shore? c)If the boat is
asked by JohnX 
Algebra
You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home? I don't understand why it has to be converted to
asked by JIM 
stats
A soft drink vending machine is supposed to fill cups with pop. The cups hold exactly 8 oz of liquid. Suppose the actual amount dispensed by the machine follows a normal distribution with mean 7 oz. If it is found that exactly 4 percent of the cups
asked by Lily 
math
I was given a table that showed a simple random sample of adults' age and annual income living in suburb of a large city. a) What is the probability that a person chosen at random from those in this sample will be the 3145 age category? The answer I got
asked by Anonymous 
Calculus
Solve. (A) 2sin^2 x = 1 (B) tan^2 x = 3
asked by AC 
Help
The number of days in a lunar cycle
asked by Ben 
science
the spine of cactus and thorn of Bougainvillea is an example of homologous or analogous organs?(in evolution)
asked by beena 
physics
A boat moving at 15 km/h relative to water is crossing a river 1.5 km wide. The river flows at 5.0 km/h a) if the boat heads directly for the opposite shore, how long will the trip take? b)Where will the boat arrive on the opposite shore? c)If the boat is
asked by cindy 
chem
A blood sample contains several different types of cells, each of which contains different combinations of specific ions and molecules. The cells are suspended in water, and the water also contains many molecules and ions. Which term or terms could be used
asked by K 
MATH
I AM CONFUSED ABOUT READING STEM/LEAF PLOTS. CAN SOMEONE HELP?
asked by HEATHER 
Algebra
You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home? I got to this point xy=56 (x8)(y+10)=56 I
asked by JIM 
science
what did robert Hooke first look at with his microscope? What name did he give what he saw?
asked by melissa 
Early Child Ed.
Can you help me with this question? Please tell me if I have chosen the most appropriate answer. 1. It has been recommended that teachers encourage limitedEnglish parents to: A. speak their native language at home. B. only speak English in the home. C.
asked by Anonymous 
media
I have to make a powerpoint presentation between 69 slides including notes. In regards to making people recycle but I just do not know how to make so many slides for just recycling because there is not much information. Can someone help me with ideas or
asked by student A 
MATH repost for Denzel
MATH  denzel, Monday, September 24, 2007 at 6:18pm how do you multiply fractions
asked by Ms. Sue 
science
what is an example of an unseen receiver of a force?
asked by jakob 
math
The smaller of two triangular numbers whose sum and difference are also triangular numbers?
asked by Ben 
chemitstry
I would like if you guys could answer me this question or give me a website where I cold find the answer. Lead, mercury and plutonium are very harmful elements, but when you cobined them with what do they become harmless? The element with which they must
asked by claudia 
French
I am not sure about the ordering of the words. Are the following correct? Do you speak French? Vous parlez francaise? I speak a little French. Je parle francais comme ci comme ca. My mom speaks french too. Ma mere parle francais aussi.
asked by Mischa 
Math
Could you please show me how to do this? It says to use the elimination method. 2xy+2z=7 x+2y4z=5 x+4y6z=1
asked by Geno 
genetics
need help with these genetics problems. please help with what you can. thanks: Given that loci A and B in Drosophila are sexlinked and 20 map units apart, what phenotypic frequencies would you expect in male and female offspring resulting from the
asked by stew 
finance
Imagine a country that is operating a fixed exchange rate relative to the dollar. The currency is trading at a forward discount of 50 percent, and rumors have been circulating that the government may pursue a large devaluation. Do you expect the
asked by Joe 
physics
Olympic champion Justin gaitlin set a new world record for 100.0 m sprint at the last lympics by clocking 9.86 s for the race.Calculate a)His average speed for the race b)Assuming that he accelerated uniformly for the first 4.86 s after taking off the
asked by Sam 
math
The number of feared by Pythagoreans, since it lies halfway between the only two integers that can be both the perimeter and the area of the same rectange
asked by Ben 
Early Child Ed.
Can you help me with this question? A parentteacher study meeting should NOT include: 1. classes on setting up a home library. 2. information about the importance of play. 3. a "make it/take it" class on homemade reading materials. 4. a teacherparent
asked by Anonymous 
reading
i need to know the character of Rollie Tremaine in the story "President Cleaveland, Where are You?". i need to know his date of birth, hometown, hobbies, character traits and interesting facts about him.
asked by rose marbella 
Algebra
Calculate, in yards and feet, the perimeter of the playing field. Width=160 Length=360
asked by Bobby 
SCIENCE
HOW IS WATER IMPORTANT FOR THE FUNCTION OF CELLS?
asked by TOMMY 
Math
Skylar bought seven books at $12.95 each. How much did Skylar spend?
asked by Tanesha 
Algebra
You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home? And please go through the steps and give me an
asked by JIM 
Algebra 2
6. Which of these points would be in the solution set of y < 2x – 5? The points would be in the shaded region of the graph: (2, 1) (7, 100) (100, 7) (0 , 0)
asked by Danielle 
science
what did Anton ban Leeuwenhoek first look at with his microscope and what did he name it?
asked by melissa 
American republic
What was the main difference between hessian soldiers and patriots?
asked by Kaitlin 
Parts of Speech
I had a list of 50 words to change the parts of speech of. I got most of them but I can't seem to find these anywhere. Conjure  change to a noun and adj. pernicious  change to a noun and verb diffident  change to a noun and verb lament  change to an
asked by Samantha 
Math
I am a prime number between 40 and 50. If you add one to me the sum of the prime factors of that composite number is 11. What number a I.
asked by Danielle 
Chemistry
An element consists of two isotopes of mass 36.4681 and 43.59612 amu. If the average atomic mass of the element is 40.741 amu, calculate the percent abundance of the first isotope.
asked by Lily 
math
lauren wants to put a border around the perimeter of her room.the room is 13feet long and has a perimeter of 48 feet.how long is the room?
asked by kay 
algebra
Solve: 8t + 11 = 7t  6 I get 17 for the answer, is that correct?
asked by Dk 
math
what is the equation passing through a)y=5.04x=50 y=6.13 x=100 y=8.24 x=150 y=10.3 x=200 y=10.45 x=250 b)y=7.63 x=50 y=11.3x=100 y=12.52x=150 y=14.45x=200 y=14.48 x=250
asked by lalith 
Review of Logs
I can't seem to get the answer to this; the answer key says log(base 8)6 Write as a single logarithm log(base 8)42log(base 8)3  log(base 8) 6 I'm hoping the key is wrong :) Thank you for your help!
asked by Nelson 
philosophy
if i define philosophy as an "Investigation of the nature, causes, or principles of reality, knowledge, or values, based on logical reasoning rather than empirical methods" what should i answer for the next question, such as "evaluate a definition of
asked by jc 
geography
The waterway that extends north of the dead sea?
asked by Ann 
Statistics
I have a problem understanding how to set this problem up and get a solution: Consider a binomial experiment with n = 10 and p = 0.10. a. Compute P(x less than or equal to 2). b. Compute P(x greater than or equal to 1).
asked by Joseph 
Communication
What guidelines appear less important to the message of a business document but more important to the message of an academic paper?
asked by jwill 
computer network
Any experts in communications/information theory can help me on this? Consider a fiber optic communication channel with cross over probability of 10^2 and a wireless mobile channel with erasure probability of 10^2. Calculate the mutual information
asked by victor 
Literacy
Which would have the greatest negative influence on child literacy? single parenting, minority ethnicity, minimal parental education, or low socioeconomic status I am thinking low socioeconomic status, but I am not real positive. Please give help.
asked by Anonymous 
physics
Olympic champion Justin gaitlin set a new world record for 100.0 m sprint at the last lympics by clocking 9.86 s for the race.Calculate a)His average speed for the race b)Assuming that he accelerated uniformly for the first 4.86 s after taking off the
asked by JohnX 
math
You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home?
asked by JIM 
algebra
solve: 0.1p + 2.1 = 4.6p  1.9 + 0.5p
asked by Dk 
math
Mr. Balk and Mr. Sullivan have created their own cookie factory. In their factory, they bake two and only two types of cookies: the Balkster and the Sullivander. The Balkster cookie requires 1 pound of cookie dough per dozen while the Sullivander requires
asked by Berry 
algebra
Solve: 0.1p + 2.1 = 4.6p  1.9 + 0.5p I am getting all confused on how to solve this problem. can someone explain it to me?
asked by Dk 
english
How do i write out a reference for the following: It is a poem (it has an author and date) in one of my books (the book cover has a different authors then the one in the poem) this is what i think but i am not sure: authors name (date). title. In title of
asked by student A 
Genetics
if a start codon changes into a stop codon, how would this effect transcription? please help.
asked by Sara 
Geography
describe and explain the atmospheric processes that influence global climate please could somebody point me in the right direction
asked by sam 
Business
In what industries would it make sense for government regulation that ensures all customers receieve some basic level of service?
asked by Mike 
math
Find the products. Use cancellation when possible. 7 x 4   8 5
asked by tony 
Math repost for Kenya
math  kenya, Monday, September 24, 2007 at 6:42pm the cds cost 9.95 each cd if the discount were only 1% what totaldiscount amount would Mr.knapp receive on the 15 cds
asked by Ms. Sue 
Algebra
A train takes 40 min to travel 18 mi. What is the average speed? ___mph
asked by Bobby 
math
explain divisabilaty
asked by Destiny 
Math
731/2  86 =?
asked by Pat 
Algebra 1
Use the quadratic formula to find the x value that will solve the equation 2x^23x+10=0
asked by Pat 
Math
How do you know if it makes sense to connect the dots on a plot graph
asked by Margaret 
English
What does this paragraph meanwhat did Martin Luther abominate? "For when we have laid bare our conscience to our brother and privately made known to him the evil that lurked within, we receive from our brother's lips the word of comfort spoken by God
asked by Maggie R. 
Robinson
need to know which sign is greater than:< or >
asked by Todd 
social studies
Why did the author write "I am the mummy" from the role of the mummy"
asked by hilda 
math
What is equivalent to 7/10? A.21/30 B.12/15 C.13/10 D.18/20
asked by priya 
history
what is the orgin for maryland?
asked by allie 
rational expressions
I was asked how rational expressions might be used in my daily life, and I am at a loss.
asked by Mary 
Thermodynamics
I am doing a lab and there is one question I can't get. We have the enthalpy of fusion of crystalline polyeythlene, mass, onset temperature and energy required for a phase change of both low density polyethylene and high density polyethylene. They as to
asked by Tracy 
Engineering Economy
A realtor sold a house on August 31, 1997 for $150k to a buyer in which a 20% down payment was made. The buyer took a 15yr mortgage on the property with an effective interest rate of 8% per annum. The buyer intends to pay off the mortgage owed in yearly
asked by John 
Social Studies
The world is divided into 24 of these? It strts with the letter "T"
asked by Brianna 
Algebra 1
Determine the maximum and minimum values for the following set.10, –45, 46, 15, –42, –13
asked by JANE 
Algebra 1
Solve. 6(x + 9) + 4x = 5x – 6
asked by Anonymous 
Grammar
Dangling Modifiers If your baby does not like cold apple juice, it should be heated. Your answer: 1. If your baby does not like cold apple juice you should heat it. Dangling Modifiers When they are fresh, eating oranges can often keep away the cold virus.
asked by Anonymous 
Math
5 3/4  (8 1/2) = ?
asked by Pat 
philosophy
"So, if we have awakened, we are all philosophers by default, not by choice." In other words, we were born as philosophers, but waht do you think we are not? please help me to answer this question too. thx
asked by jc 
math
what is 25 percent of 100?
asked by jan kristianne 
chem
write the abbreviated notation 9based on noble gas) for S:
asked by taysha 
math
i need to write a multipication sentence for 2+2+2 1+1+1+1 i do not understand the commutative,associative,identity, zero and distributive property
asked by dominick 
algebra 1
c=x+a ____ b
asked by meka 
ad
how do advertisements alter history?
asked by Anonymous