Questions Asked on
January 8, 2009

Math
My question: A spinner looks like this: A disc divided into sections that might or might not be the same size, with a pointer that when spun will land on some part of the disc at random. The sections might be colours, or, as in these problems, have numbers
asked by Daniel 
chemistry
A 0.03 mol sample of NH4NO3(s) is placed in a 1 L evacuated flask, which is then sealed and heated. The NH4NO3(s) decomposes completely according to the balanced equation above. The total pressure in the flask measured at 400 K is closest to which of the
asked by jerry 
Math
A password consists of 2 letters and 2 digits (09). The letters and digits cannot be repeated. How many passwords are possible?
asked by Anonymous 
Calc
Let f be the function given by f(x)=2ln(x^2+3)x with domain 3 is less than or equal to x which is less than or equal to 5 a) Find the xcoordinate of each relative maximum point and each relative minimum point of f. Justify your answer. b) Find the
asked by Bob 
calculus
A 384 square meter plot of land is to be enclosed by a fence and divided into equal parts by a fence parallel to one pair of sides. What dimensions of the outer rectangle will minimize the amount of force used?
asked by pam 
trigonometry
the radius of the tires of a car is 13 inches, and they are revolving at the rate of 506 revolutions per minute. how fast is the car traveling in miles per hour. A. 6.23pi mph B. 1.25pi mph C. 149.50pi mph D. 12.46pi mph
asked by y912f 
Physics
Is the surface of water truly a node? Why? An airplane mechanic (standing still) notices that the sound from a twinengine aircraft rapidly varies in loudness when both engines are running. What could be causing the variation back and forth between loud
asked by Lisa 
3rd gradeart
In the art piece "Diego on My Mind" by Frida Kahlo, what can be inferred or concluded about the artist based on this painting? Use`details in the painting to support the ideas.
asked by Elaine 
Science
1: TRUE or FALSE? Elements are pure types of matter. 2: TRUE or FALSE? Atoms are made from molecules. 3: TRUE or FALSE? Chlorophyll is needed for cellular respiration. 4: TRUE or FALSE? Matter and energy flow through food chains. 5: TRUE or FALSE? Chemical
asked by Happy Face 
algebra
The ratio of adults to children at a holiday concert is expected to be 5 to 2. If 490 peole attend, approximately how many will be children? How many will be adults? Thank you! Last problem and cant figure it out!
asked by Bella 
algebra
A train left Podunk and traveled north at 75km/h. Two hours later, another train left Podunk and traveled in the same direction at 100 km/h. How many hours had the first train travelee when the second overtook it?
asked by joshua 
calculus
A rectangle has its base on the xaxis and its 2 upper corners on the parabola y=12x^2. What is the largest possible area of the rectangle?
asked by pam 
Chemistry
One mole of nirtogen at 273K occupying 10 litres (state 1) is to be expanded to a volume of 20 litres at 373K (state 2). An infinite number of paths from state 1 to state 2 are possible. Consider the following important paths: (a) The gas is expanded
asked by Alice 
Math
could someone please check these problems for me? thank you! 1. Soybean meal is 16% protein; cornmeal is 8% protein. How many lbs of each should be mixed together in order to get 320 lb mixture that is 9% protein/ A: cornmeal 40lbs soybean280 lbs 2.
asked by deedra 
Physics
A cylindrical diving bell 5 m in diameter and 10 m tall with an open bottom is submerged to a depth of 150 m in the ocean. The temperature of the air at the surface is 20 degrees Celsius, and the air temp 150 m down is 2 degrees Celsius. The density of
asked by Phil 
calculus ab
What is the integral of sin4xcos4x dx?
asked by Bill 
math
Can someone check over these problems for me? 1. The width of a rectangle is fixed at 28 cm. What lengths will make the perimeter greater than 70 cm? A: the length must be greater than 7 cm. 2. 7x=63 A: x=9 3. Is (8.9)a solution of 2x+4y=12 A: No 4.
asked by deedra 
4th grade
A MAN HAS 6 HOUSES. INEACH HOUSE HE KEEPS 6 CATS. EACH CAT HAS 6 WHISKERS. AND ON EACH WHISKER SIT 6 FLEAS. A. HOW MANY CATS ARE THERE? B. HOWMANY WHISKERS ARE THERE ON ALL THE CATS? C.HOW MANY FLEAS SIT ON ALL THE CATS' WHISKERS? D. ANSWER THE LAST LINE
asked by ANNETTE 
calendar
what is the origin of the months of the year?
asked by Anonymous 
Physics
You gave yourself 35 min to drive 23 miles to the party, but you are caught in traffic and average 20 miles/hour for the first 15 min. What is your average speed for the rest of your journey to the party. I am lost any help in approaching the problem
asked by George 
math
If A farmer uses a large tractor,she can plow a filed in eight hours. Her sister, using a smaller tractor can plow the same field in 12 hrs. How many hours would it take to plow the field if they worked together ? Express your answer as a mixed number and
asked by bailteeeydh 
math logarithms
how do i solve these logs? log1/2 (3x+1)^1/3= 2 3^(x^3)= 9^x
asked by kayla 
English
Write a short essay on the aspects of Michael Longley’s poems (their content and/or style) that you found most interesting. Support your discussion by reference to or quotation from the poems you have studied.
asked by Dylan 
statistics
what method gathering data may be best use for the following situations. 1.study about culture minorities. 2.study about premarital sex among college students and the respondents are friends or classmates. 3.the subject of study is patients in comatose
asked by 亚 
Science
During photosynthesis, plants produce something that humans need for survival. What is it?
asked by Samantha 
cultural diversity
list two to three characteristics of orientalism. For muslim and Arabs. How many orientalism and prejudice contribute to hate crimes against these groups?
asked by angie 
4th Grade Math Correction
PLEASE HELP.I am sorry. I posted the question wrong earlier this evening. Instead of 300 it should have read: 3000 exercise books are arranged into 3 piles. The first pile has 10 more number of books than the second pile. The number of books in the second
asked by Sean 
Chemistry grade 12
Molar Heat of Fusion of Ice Experiment. Does the Temperature of a component of a system [cup of warm water from experiemtn] depend on the quanity of matter in the sample? two different ways to increase the temperature of a pan of cold water??? Does the
asked by Vincent 
fine arts
1.Because of the style of some sculptures found in a Romanesque church, they are sometimes called: A. Bibles in Stone B. minaret C. illuminated manuscripts D. Psalters i think its either A or C 2.In which of the following painting is pigment applied to
asked by y912f 
Algebra Word Problem
I NEED HELP PLEASE!!!!!!!!!! Elena bicycles 7 km/h faster than Dennis. In the same time it takes Dennis to bicycle 60km, Elena can bicycle 81km. How fast does each bicyclist travel. Dennis travel_____ km/h Elena travel ______ km/h
asked by pj 
ratios....unit rates
what is the unit rate of 120 b lbs/ $15
asked by 6th 
Message to Students re Math
Just thought I would let you young'nes know that being a Mathematician has just been chosen as the most rewarding profession. http://online.wsj.com/article/SB123119236117055127.html?mod=yhoofron Now I know why I have been so happy all my life, lol So keep
asked by Reiny 
m
Ok here are a few more 1. collect like terms 12r+6s3r9s A:9r3s 2. translate to an algebraic expression The product of 46% and some number A: y=0.46x 3. In 1993, the life expectancy of males in a certain country was 61.3 yrs. In 1999, it was 64.7yrs. Let
asked by deedra 
math
PROBLEM TYPE YOUR SOLUTIONS HERE Section 3.1 pp. 219222 #18 Add. Write the answer in lowest terms. Section 3.1 pp. 219222 #38 Evaluate the following. Write the answer in lowest terms. 93=13 13+ 7 = 16 Section 3.1 pp. 219222 #44 44. Number problem. One
asked by fay1985 
algebra
find the dimensions of a rectangle if the perimeter is 10cm and the area is 3cm squared
asked by Chris 
grammar
What part of speech is the word loves in the sentence "Sarah loves dancing".
asked by Chris 
math
how do i solve these logs? log1/2 (3x+1)^1/3= 2 3^(x^3)= 9^x
asked by kayla 
science  pls help me ! i know i've sent it before
when we stand on a titled floor in our bare feet we feel cold but do not feel so cold if we are standing on a carpet. i wanted to ask has it got to do with heat energy as it is gaining the energy when your standing on the carpet and when your on the titled
asked by fern 
Chemistry12th
1]What do u mean by: Philosopher's wool 2]what will happen if door of refrigerator is open 3]How can we increase life of Daniel cell?
asked by Shefali 
Algebra
mkayy. suhh i have this math question that i don't understand. Do these two exuations have the same slope? i know like ones a negative, other positive but Im confused. y=3x7 y=3x+33 So, same slope? yea? no? and what type of equations are they? like,
asked by Dune 
Science
I am a large mass of frozen water. I can move rocks and boulders. I move very slowly, but i cause great changes on Earth. What am I?
asked by Samantha 
fine arts
How was the Romanesque church built (or modified) to accommodate the worshippers who took part in pilgrimages?
asked by y912f 
Literature
Can someone help me on this? its really urgent. what is Foil Character and Background Character? please don't give me the stage meaning just fiction. thanks. its really urgent.
asked by Akitsuke 
4th grade
The total bus fare was $2.10. what was the distance travelled when the fare is 0.90 for first 1/3 km and 0.10 for each 1/8 additional kilometer
asked by shakira 
Math
Here is the question that I need to answer: Mr.T wanted to remodel his box, He wanted to make it the shape of a perfect regular dimension. A.) How many total degrees would the interior of Mr.T's decagon have? SHOW WORK. B.)How many degrees would each angle
asked by Jade 
math
13. If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mph? A. 50 miles B. 100 miles C. 500 miles D. 700 miles E. 1,000 miles
asked by tammy 
music
4.What was origin of the blues and how did the blues influence jazz? 5.Who were the first important jazz musicians? 6.What changes came about in the 1930s?
asked by Peter 
author
after reading the authors biographies, choose two authors and describe how you think their lives shaped stories they wrote.
asked by johnnetta 
English
I have to plan for an essay. The essay is to do with Arcadia. I'm having a bit of difficulty. Why is Arcadia an artificial play? Please help
asked by Anonymous 
Math
If Bill drives 45 MPH and Jim leaves 2 hours later and drives 75 MPH and they both maintain constant speed, how long will Jim travel before passing Bill?
asked by Sally 
science
when we stand on a titled floor in our bare feet we feel cold but do not feel so cold if we are standing on a carpet. i wanted to ask has it got to do with heat energy as it is gaining the energy when your standing on the carpet and when your on the titled
asked by fern 
fine arts
i need help comparing and contrasting the architectural details of the Early Christian basilica with those of the Gothic Cathedral. thnks
asked by y912f 
biology
what letter represents the nucleus of a cell?
asked by Daniel 
Algebra
Give the domain for each of the following: 5+2y/6 5r/r 2y+1/y+5 I don't get these so yea thank you!
asked by Ben 
technology
What is the proper way to put the transparency in the overhead projector? Help me please, I don't know how.
asked by june_06 
Calc
Can someone help me with this calc problem? lim as x>0 (tan^3 (2x))/(x^3)
asked by Nick 
8th grade algebra
same slope?? y=3x+7 y=3x+33 and what type equation? dependent consistant? independent? inconsistant?
asked by Dune 
Math
63x^2  42x + 700 completely
asked by Joshua B 
social studies
witch religon spred all over the world
asked by Alec 
physics
what area of physics studies motion and its causes?
asked by chevis 
math
Write as an algerbraic expression 10 times higher than the chair's height h, plus 3 inches. Also$3 more tha half of whaat Jason makes d.
asked by Carlo 
Math  Quadratics
Hey, I have some questions. How would I find the domain and range for these equations: y = 5x^2 + 1 y = 3x^2 + 3 x = x^2 + 5 Also, how would I solve these equations: (2x + 2)^2 = 1 7x = 3x^2  1 Thanks for the help!
asked by G 
fine arts
More frequent use of stained glass windows was made possible by A. pointed arches B. flying buttresses C. illuminated paintings D. thicker walls i think its B or C
asked by y912f 
Math
I skakeboard 5 blocks west abd 8 miles north to get to my friend's house. Each block is 1/8 in length. How far does it take me to travel in a round trip to my friend's house? A mile is 5,280 feet and 1/8 mile is 660 feet. I am thinking 8 x 660 =5,280 or 1
asked by Joy 
music
Log on to MTVTr3s and answer the following question : What videos were voted Best of 2008 ? Name the artist and the Title of the Song ? mtvtr3s. com/music/ For some reason I could not find them?
asked by Kate 
math
Round 907.457 to the nearest tens place. A. 908.0 B. 910 C. 907.5 D. 900 E. 907.46 why wouldn't the answer be 908
asked by tammy 
4th Grade Math
300 exercise books are arranged into 3 piles. The first pile has 10 more books than the second pile. The number of books in the second pile is twice the number of books in the third pile. How many books are there in the third pile?
asked by Sean 
easy trig
If sin(theta)=[sqrt(70)]/7 and theta is in Quadrant two, find the exact numerical value of tan theta without using a calculator. I got tan(theta)=[sqrt(294)]/42 Is that right? if sin(theta)=a where 0
asked by jen 
Calculus
I rewrote the quesion y = sqrt (4 + sin 10x)
asked by Jane 
fine arts
In a few sentences can you give some information about Stonehenge and the cave paintings that were found in Spain by the two boys. Which is a greater achievement of these time periods?
asked by y912f 
fine arts
please check these: true or false A minaret was a spiral tower _F A muezzin is a niche in the wall_F i need help in these three 1.Gothic style churches were not limited to France. 2.Two famous architects designed the dome of the Hagia Sophia 3.The Gothic
asked by y912f 
Sociology
Explain how having a negative selfschema affects oneâ€™s social interactions. How does social intelligence affect oneâ€™s responses in any given situation? How might a personâ€™s selfguides impact his or her perspective on the world? My
asked by SiNnErSaVeD 
math
what would be a counterexample of this converse statement: If a and b are even number, then a+b is a consecutive odd number.
asked by xboxwee 
MetricsScience
1000 grams=_______ (eight letter word) measure of the force of gravity acting on an object_____ (six letter word) How many seconds are in six hours?
asked by Ang 
math
What is finance charge and how do you figure it out?
asked by xboxwee 
Math
1. Soybean meal is 16% protein; cornmeal is 8% protein. How many lbs of each should be mixed together in order to get 320 lb mixture that is 9% protein/ A: cornmeal 40lbs soybean280 lbs 2. 0.7x50 3. 2+4x
asked by deedra 
calculus
the integral sign where 4 is on top and 2 is at the bottom (x/2 + 3)dx and im trying to find the areas to evaluate the intrgral
asked by Barbara 
8th grade
hi everyday my teacher gives us a paragraph to fix: grammar ,spelling,commas,ex.and i always fail.I don't understand how fix a paragraph or my rough drafts can you help me !!!!
asked by jodi 
Calculus
Need help to find dy/dx: 1) y = (sin x) ^1/3 answer dy/dx =  1/ 3(sinx) ^4/3 2) y = sqrt 8 + sin(6x) answer  lost
asked by Jane 
math
How do you decide where to put the decimal's on the "decimal chart"? (tens, ones, tenths, hundrendths) These are the numbers I need to place.... .073, 1.9, .8, .225, .604
asked by liley 
science
I’m 16 years old from Cambodia. Please give me some science competition website available for me that use internet to have contest (mean that no traveling). Thanks!
asked by kimlang 
BIOLOGY
what are other sciences that might provide information that is useful to biologists? i have not been able to find any internet websites that are helpful
asked by Casey 
english
join the sentence using not onlybut also 1.Shopping malls are found in Delhi.Shopping malls are found all over the country.
asked by ritu 
social studies
The explorer LsSalle built forts for the French on his trips around the great lakes and beyond?
asked by Brooke 
social studies
In the 1600s the French founded a colony in the Mississippi River Valley? True or False
asked by Brooke 
math
write as an algebraic expression five trips of x mileseach, plus another 5.8 miles. i am thinking 5 x + 5.8
asked by Carlo 
math
write as an algebraic expression five trips of x mileseach, plus another 5.8 miles. i am thinking 5 x + 5.8
asked by Carlo 
Literature
This question is for anyone who has read Island of the Blue Doplphins by Scott O' Dell. I don't quite understand the ending, like what happens? They mention that the ship was sunk as it was going so does that mean that all of Karana's people died? Also,
asked by mysterychicken 
chemistry
What mass of iron contains the same number of atoms as 70.05 g of nitrogen?
asked by bob 
Calculus
More questions on  finding dy/dx 1) y = sqrt 4 + sin 10 x  I am lost again 2) y = 10/sin x answer:  10 csc x cot x 3) y = sin x/ 8x
asked by Jane 
Accounts
A company produces just one standard product. The company's budgeted overheads for the next financial year are £80000. Other relevant information includes: Budgeted Production: 16000 units Cost of Raw Material per unit: £4 Cost of Direct Labour per unit:
asked by Claire 
comparative essay help
I'm an 8th student who has never doen a comparative essay before. I have to compare the lebanese civil war of 1975 from the fictional book I read about it and the research i did about it. The problem is they're the same.
asked by omer 
French  Imparfait
I am doing a skit on being an annoying wife, questioning her husband on what he was doing and where he was. "where did you go after dinner" qu'astu fait après dîner ? or can I write Que faisaistu après dîner? thanks in advance
asked by Sh 
psy
Need the definition of buttons that is within the central nervous system. Happy new year. rose. I cannot find it anywhere. please help.
asked by rose  Ms. Sue 
Spelling
I need help with finding contractions. I need to find 3 will/shall contractions (I need 9 but I already have I'll, She'll, He'll, They'll You'll, We'll). Then I need 6 is/has contactions (I also need 9 and I have She's, He's, It's). Then I need 11 not
asked by Nellie 
simple trig
If sin(theta)=[sqrt(70)]/7 and theta is in Quadrant two, find the exact numerical value of tan theta without using a calculator. I got tan(theta)=[sqrt(294)]/42 Is that right? if sin(theta)=a where 0
asked by jen 
problem of the week
there are three children in the mocks family. the sum of the ages is 60. how old are the three children in the mocks family?
asked by cruz 
social studies
how old was john adams when he first went to school a)4 b)5 c)6 d)7
asked by allie 
physics
finding the acceleration of a simple pendulum g= 4pi^2 x length/T^2 T^2= 2.28 length= 70cm
asked by Kayleigh 
science
What part of the vertebrae provides an articulation point for the ribs?
asked by Giselle 
9th grade science
What foods have all 3 organic compounds and are good for health? And why?
asked by Spongebob 
swo wg
what is the city, located on the Conagree River, that is the capital of south carolina?
asked by manuelR 
biology
How does the process of photosynthesis impact the flow of energy and the cycling of nutrients
asked by tyler 
science
if you had 1.5 liters of water, how many millilimeters would you have?
asked by mk 
Biochemistry
When do plants carry out aerobic respiration
asked by Jordan 
Biology
What is the name of the type of bacteris that live in harsh environments? is the answer, archaebacteria?
asked by Lena 
calculus ab
What is the integral of sin4xcos4x dx?
asked by NJ 
ETH 125
Why do you think there is a lack of Asian American professors? What are some of the types of problems that Asian Americans are experiencing?
asked by Meshell 
science
my project is to use 4 index cards, scotch tape, and elmers white glue. I have to make something that will hold the weight of a text book without breaking. also it has to be one inch off the ground but no more than one inch. need help please
asked by coby 
social studies
how many represnatives that are in the house of represenatives are from texas
asked by kenia wilkins 
physics
a force of 50 N directed at an angle of 45 from the horizontal pulls a 70 kg sled across a frictionless pond. the acceleration of the sled is most nearly
asked by maddie 
government
how many total representives make up congress
asked by kenia wilkins 
social studies
how many represenatives are from houston
asked by kenia wilkins 
social studies
how long is a term for a represenative
asked by kenia wilkins 
social studies
how long is a term for a senate
asked by kenia wilkins 
Advanced writing
what is the technical element to write to be advanced?
asked by Noble 
Math
How do you bisect angles?
asked by Solomon 
Geography
what is the biggest holiday for followers of Shinto?
asked by Matthew 
social studies
how was alexander influenced by greek culture
asked by ariana 
Math
Plz help kay!! How do i ge 40 into 100?
asked by John 
Math
Box A has 3 black marbles and 2 white ones, Box B has 2 black marbles and 1 white one. If i close my eyes and pick a blaack marble to win a prize, which box gives me the best chance of winning?
asked by Joy 
Business Statistics
The manager of a vacation resort has claimed that, on average, a guest spends at least $3000 at the resort during a one week stay, including meals and entertainment. A member of the accounting staff does not believe the amount is that high. They authorize
asked by Bev 
7th grade
I am haveing trouble with Complete Subjects and Predicates. We have to write a short paragraph about an organization whose purpose we admire.
asked by alex 
science
what are the prefixes in the metrics system
asked by Jen 
calendar
what are the meanings of the months of the year?
asked by Anonymous 
5th grade
I need help with this input output table.
asked by Anonymous 
math
Jordan's pet, king, grew between 2 and 6 inches a month for 4 month. how many inches could he have grown?
asked by JOhn 
math
1/26y9 +5 is < or = 2 i solved it and got two fractions but the answer is 0 can anyone explain? btw this is absolute value inequality.
asked by lyne 
Science
wat dus magnesium + oxygen equels
asked by Lizzie 
Physics
In my last post, I'm confused how drwls got P2/P1 = 14.8
asked by Phil 
reading
bud not buddy vocabulary words list
asked by Kate 
Algebra
2n(xn)=x5n+2 Solve for x
asked by Austin 
spelling
mark:marker::spread: ????? spreader????
asked by auddy_9 
algebra
I'm in algebra class, and my graphing calculator isn't allowed. So I'm trying to get used to using a ti36xsolar. I can't figure out how to put in simple algebraic expressions though, like 2x+1. In my graphic calculator, i could put that in and it solves
asked by Help please 
music
Log on to MTVTr3s and answer the following question : What videos were voted Best of 2008 ? Which is your favorite and why? mtvtr3s. com/music/
asked by Peter 
psychology
can someone answer my last two questions?
asked by tzeni 
grammar
what is the difference between a predicate and a verb? is a predicate a type of verb and if it is then how can i tell when it is just a verb and when it is a predicate
asked by Lindsay 
Math
find the domain of the following: 2x ___________ x^3+x^26x
asked by Amy 
history
what are the major exports iof new hampshire?
asked by super 
4th grade english
Yesterday some people (was, were) practicing musical numbers.
asked by Joshua 
arithmetic
n=(3/5)2N=
asked by jason 
science
what is chemical energy and physical energy?
asked by riley 
english
were
asked by Joshua 
4th Grade Math Correction
drwl,thanks so much for your help. You are right I do not understand the method that you used. I was trying to do it the way you described before giving me the answer and it was not working.
asked by Sean 
Oral mark
ello we are doing speeches in Language i am new to canada so i have never done a speech before so how do you you start and end it? i don't have enough information.
asked by Rosila 
Ordinary people
Chapter 7, Why does Karen say they should be careful about who they see? It is because Karen likes Conrad? OR that she's telling Conrad to control his life and live his life??
asked by Tom 
Basic Biology
What is the process by which oxgen get into the blood in the capillaries?
asked by Anna 
time
How many degrees are there in a clock? Example: how many degress from 1011? or How many degrees from 33:01
asked by isabella 
math
write the equation of a line with a yintercept of 3 and passes through the point (2,4)
asked by Amy 
Oral report
I have to do an oral report and i have never realy written one before so how should i start off, like should I say my name or talk about the topic ...? Thanks: Leslie
asked by Leslie 
SS/WGeogrophy
which lake does the equator pass through: Lake Victoria,Lake Malawi,or lake Chad?
asked by rosmeris 
science
can you give me examples of lipids (examples of food)
asked by Spongebob 
9th grade science
For examples of carbohydrates if eggs one of them
asked by Spongebob 
math
how do you compare 71/3 to 9
asked by tabitha 
French 1
Can you tell me how to say grandparents,granddaughter,and grandson in french thanks
asked by Mark