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2009
February

Questions Asked on February 23, 2009

what is the image of (1,-6) for a 90 degree counterclockwise rotation about the origin?i guess it is (-1.6) is it?
1. 14 answers
2. asked by jessica
3. 6,663 views
You are designing a hydraulic lift for an automobile garage. It will consist of two oil-filled cylindrical pipes of different
1. 3 answers
2. asked by kate
3. 6,113 views
What would you pay for a $50,000 debenture bond that matures in 15 years and pays $5,000 a year in interest if you wanted to
1. 1 answer
2. asked by joe
3. 5,756 views
The acceleration of a particle at a time t moving along the x-axis is give by: a(t) = 4e^(2t). At the instant when t=0, the
1. 2 answers
2. asked by Dave
3. 5,377 views
please tell me if this is done correctlyFind the final equlibirum temperature when 10.0 g of milk at 10.0 degrees C is added to
1. 10 answers
2. asked by y912f
3. 3,975 views
What is the temperature of a two-level system of energy separation equivalent to 300 cm^−1 when the population of the upper
1. 4 answers
2. asked by chemstudent
3. 3,789 views
The percent of atmosphere above and below 16.8 km is?
1. 3 answers
2. asked by cathy
3. 2,376 views
For many years, humans have used a variety of techniques that have influenced the genetic makeup of organisms. These techniques
1. 6 answers
2. asked by Joe
3. 2,362 views
the cost per hour of running an assembly line in a manufacturing plant is a function of the number of items produced per hour.
1. 2 answers
2. asked by jenn
3. 2,314 views
how many different sums of money can you make with a penny, a dime, a one-dollar coin, and a two-dollar coin?
1. 3 answers
2. asked by nat
3. 2,268 views
What is the area and circumference of a circle with a radius of 3in.
1. 3 answers
2. asked by Austin
3. 2,164 views
The pre-image of a reflection lies in quadrant II and the image is in quadrant III. which line could be the line of reflection?a
1. 5 answers
2. asked by jess
3. 2,159 views
Simplify the expression:The first 7 is regular size and the log7x are small (the second 7 is subscripted only). 7log7x = would
1. 11 answers
2. asked by Chopsticks
3. 1,801 views
What is the theoretical yield of calcium carbonate if 2.97 grams of calcium chloride dihydrate reacts with excess sodium
1. 1 answer
2. asked by Bob
3. 1,736 views
what is the meaning of the poem "Planet on the Table" by Wallace Stevensi've asked this a lot of times but no one gives me the
1. 1 answer
2. asked by Bella
3. 1,690 views
A train leaves Danville Junction and travels north at a speed of 75 km/h. Two hours later, a second train leaves on a parallel
1. 6 answers
2. asked by Willow
3. 1,554 views
A baseball pitcher throws a ball horizontally under negligible air resistance. The ball falls 83cm in travelling 18.4 m to the
1. 1 answer
2. asked by Eddie
3. 1,526 views
A particular household ammonia solution (D= 0.97g/ml) is 6.8% by mass.How many milliliters of this solution should be diluted
1. 1 answer
2. asked by Pokadot Shorts
3. 1,218 views
Give an example of a hydrophobic group and a hydrophilic group.
1. 1 answer
2. asked by Eileen
3. 1,211 views
How many milliliters of a 15.0%, by mass solution of KOH(aq) ( d= 1.14g/mL ) are required to produce 27.0 L of a solution with
1. 2 answers
2. asked by Agatha
3. 1,190 views
darrin hiked the shortest route from the trailhead to hart moutin in 73.4 hours. what is the avarage number of miles he hiked in
1. 9 answers
2. asked by aqua
3. 1,147 views
I work in a pathology lab and need to know what happens when formaldehyde is mixed with chlorine bleach...the chemical formula
1. 3 answers
2. asked by fishies
3. 1,146 views
Describe the function and importance of the four external and six internal consideration for developing an intergrated
1. 1 answer
2. asked by Keisha
3. 1,131 views
How do I evaluate this integral: x^9cos(x^5)dxHint: First make a substitution and then use integration by parts.
1. 1 answer
2. asked by J
3. 1,104 views
Why would the seasonal range (summer-Winter) in solar receipt be greater at 61 degrees North than at 40 degrees North?
1. 0 answers
2. asked by Mia
3. 1,103 views
I am working with a graph and if at every 5.6 km you cut in half the atmospheric mass. So at 16.8 km wouldn't you have 12.5% of
1. 1 answer
2. asked by Cathy
3. 1,097 views
Evaluate the integral: sin^2(5x)cos^2(5x)dx
1. 1 answer
2. asked by J
3. 1,075 views
Calculate the ph of a 0.20 M solution of NH2BR
1. 0 answers
2. asked by MMmm
3. 1,068 views
we are doing a really dumb websearch in my Physics class on roller coasters and I really need help with like 5 problems! For the
1. 4 answers
2. asked by honorsclass
3. 1,067 views
My question is on Distributive Property, I need help on the following questions.1. 3(u+v) 2. 4(2+5s)+3 3. 1(a+2j+12k) 4.
1. 7 answers
2. asked by danny
3. 1,048 views
how did the south with fewer supplies and resources manage to stall a northern victory for four years?
1. 0 answers
2. asked by stephanie
3. 1,044 views
Find the geometric mean between 7 and 21I do not have a clue where to start the equation given was extreme/extreme=mean/extreme
1. 1 answer
2. asked by Terri
3. 1,035 views
what are 3 arguments you can use for and against the criminalization of music that glamorizes drugs, crime andthe degradation of
1. 1 answer
2. asked by sandra
3. 1,030 views
I need a climate graph for italy NOW!!!
1. 1 answer
2. asked by s**
3. 1,029 views
so here it is [ again ]:Daughter of Invention [underlined] by Julia Alvarez is a great example of how families struggle when
1. 12 answers
2. asked by Bella
3. 1,017 views
Please check any mistakes or maybe restructure some of the sentences.Need help ASAP Away, written by Michael Gow is an
1. 2 answers
2. asked by Andy
3. 1,003 views
In the river tees is the upper course at the begining where the source is and the lower course where the mouth is? thanks
1. 2 answers
2. asked by Micha
3. 1,002 views
The law firm is considering expanding its services into different states. You have been selected to perform research as part of
1. 2 answers
2. asked by Avon
3. 971 views
Give an example of a disaccharide
1. 1 answer
2. asked by Laura
3. 970 views
Are a of a sail. The area in square meters for a triangular sail is given by A(x) = x2 + 5x + 6.a) Find A (5). b) If the height
1. 2 answers
2. asked by Nina
3. 935 views
For MgSe, which crstallize structure un the rock salt structure, the unit cell edge is 5.45A. Determine the internuclear
1. 0 answers
2. asked by SARITA
3. 934 views
The area of a rectangle is 90m 2. The base is three less than three times the height. What is the perimeter?
1. 4 answers
2. asked by Josh
3. 933 views
find the integral of square root of 1+x^3 dx or sqrt(1+ x^3)dx
1. 1 answer
2. asked by joel
3. 930 views
would the method of spectrophotometry or redox titration be a more accurate?
1. 1 answer
2. asked by tiffany
3. 927 views
How do you find the anti derivative of: [(e^x^2-2x)/(e^x^2)] ?∫ [(e^x^2-2x)/(e^x^2)] ((The e^x^2 is: e raised to x squared))
1. 4 answers
2. asked by John
3. 900 views
I am writing a report for Geography about the River Tees . Where the river starts the source is this called the upper course?
1. 3 answers
2. asked by Micha
3. 896 views
A child throws a snowball with a horizontal velocity of 18m/s directly toward a tree, from a distance of 9m and a height above
1. 3 answers
2. asked by Li
3. 881 views
Demand for pools. Tropical Pools sells an above ground model for p dollars each. The monthly revenue for this model is given by
1. 0 answers
2. asked by jackie
3. 874 views
4. Round the following number to the indicated place.875,000, the nearest ten thousand
1. 2 answers
2. asked by sara
3. 869 views
Friction converts kinetic energy topotential energy?
1. 3 answers
2. asked by y912f
3. 865 views
what do you get when you multiply (8w+2)(w+5)
1. 3 answers
2. asked by Angie
3. 857 views
I want to major in something English or History related, probably Secondary Education, International Studies, or Journalism. I
1. 2 answers
2. asked by Corinne
3. 801 views
What are some of the health problems associated with anorexia nervosa, bulimia nervosa, and binge-eating disorder? Explain, from
1. 0 answers
2. asked by A. W.
3. 800 views
Let P(t) represent the population of a non-native species introduced to a new area for the purposes of harvesting. Suppose we
1. 0 answers
2. asked by Mischa
3. 794 views
The warmest temperature occurs at _______ and why does the warmest daily temperature occur in mid-to-late afternoon rather than
1. 1 answer
2. asked by Cathy
3. 783 views
The question is with a lab that I have already done. Here are my numbersmoles of malachite in 1g 221.12 moles of CuO produced
1. 0 answers
2. asked by Laura
3. 781 views
The perimiter of a lot is 190 meters. The width is one-fourth of the length. Find the dimensions.Here's my system of equations:
1. 3 answers
2. asked by Willow
3. 770 views
Can you reply to my last math+log post =) thanks. I'm going to be having alot of math questions today.
1. 0 answers
2. asked by Chopsticks
3. 769 views
Hi, I have a few questions that I am struggling with. Any help would be greatly appreciated.Question 1 Calculate the molar mass
1. 3 answers
2. asked by Bob
3. 758 views
Use 10 medical words discussed in this weekâ€™sreading to create a script of dialogue between two medical professionals.
1. 8 answers
2. asked by Edna
3. 755 views
my first paragraph of the evaluative essay:"Daughter of Invention" by Julia Alvarez is a great example of how families struggle
1. 4 answers
2. asked by Bella
3. 751 views
I need to write a balanced equation for this problem and am having difficulty doing so.The question is this: use the mole ratio
1. 2 answers
2. asked by Laura
3. 746 views
Okay, heres one of those questions that isn't easily found in lab manuals and text books (atleast mine).ALSO, if you have a
1. 0 answers
2. asked by Akashic
3. 738 views
please tell me if this is correctSlave rebellions in the colonies were a result of a. harsh laws controlling African Americans'
1. 2 answers
2. asked by Bella
3. 730 views
In Mary Wollstonecraft's "A Vindication of the Rights of Woman" where does Wollstonecraft use the rhetoric appeal of Logos?
1. 0 answers
2. asked by Jennifer
3. 724 views
i'm done with my hw so i was wondering, is there a specific time where the experts for different subjects come on...like Ms.Sue
1. 11 answers
2. asked by Bella
3. 720 views
Map of Wazir Akbar Khan istrict of Kabul a map with three-dimensional aspects that includes (but not limited to) Amir’s home,
1. 4 answers
2. asked by Runner
3. 697 views
Your friend is taking an algebra class that began one week after ours. Write out a paragraph or two, with examples if possible,
1. 2 answers
2. asked by candy
3. 697 views
What is factoring by grouping? When factoring a trinomial by grouping, why is it necessary to write the trinomial in four terms?
1. 2 answers
2. asked by Bo
3. 692 views
I need help with a few problems. Please help.Perform the indicated operation. -13 - (-22) _______________ -11 - (-11) A)9/22 B)
1. 2 answers
2. asked by Sadie
3. 678 views
What is the circumference and the area of a circle with a radius of 9.3mm.
1. 5 answers
2. asked by awl
3. 671 views
In a 9V circuit, all the resistors are 20 or 40 kilo Ohms.Convention says that calcs should therefore be quoted to 1 sig fig,
1. 1 answer
2. asked by charlie
3. 670 views
I'm having extreme trouble with an homework assignment. Any help or spark of the mind will help. It is referring to "Thomas
1. 1 answer
2. asked by Joey
3. 669 views
this is my intro after i made changes:Daughter of Invention[underlined] by Julia Alvarez is a great example of how families
1. 8 answers
2. asked by Bella
3. 663 views
The City of Mirada wants to offer cable television to its residents in 2009. The city has approached a company called
1. 0 answers
2. asked by Samone
3. 647 views
A truck is stopped at a stoplight. When the light turns green, the truck accelerates at 2.5 meters per second squared. At the
1. 1 answer
2. asked by Ti
3. 641 views
Is a recommendation memo and a recommendation letter the same thing? I have to write a recommendation letter for my english
1. 3 answers
2. asked by Jenny
3. 641 views
I need to write a balanced equation for this problem and am having difficulty doing so.The question is this: use the mole ratio
1. 1 answer
2. asked by Laura
3. 638 views
The area in square meters for a triangular sail is given by A(x) = x2 + 5x + 6. x = (5)the height of the sail is x+3 is the
1. 3 answers
2. asked by mason
3. 636 views
what are earths 4 subsystems?Is it..... Lithosphere,Hydrosphere,Biosphere, and Atmosphere?
1. 1 answer
2. asked by scooby91320002
3. 635 views
what are some important facts on LC Bailey?
1. 2 answers
2. asked by kiki
3. 619 views
For my english class we have to write a recommendation memo and a justfication. I need two different topics. Do you have any
1. 1 answer
2. asked by Jenny
3. 618 views
Why is building student-teacher rapport critical to establishing and maintaining a productive classroom environment? How does
1. 2 answers
2. asked by Melvenia
3. 594 views
AHH! I just remember about my french test tomorrow on qui and que.How do you know when to use which? HELP!
1. 4 answers
2. asked by Chopsticks
3. 590 views
Last one! Please help!South America's total population was 515,000,000 and the world's total population was 6,279,000,000. What
1. 12 answers
2. asked by Sadie
3. 589 views
I am trying to complete one of those charts, where you find an element, its proton number, its electron number, it's charge, and
1. 1 answer
2. asked by Corinne
3. 583 views
what mass of copper may be produced when excess CuSO4 is reacted with 100g of aluminum metal?
1. 2 answers
2. asked by carson
3. 579 views
for photography class i have to copy a portrait photo that has different kinds of light. i am having the hardest time finding a
1. 2 answers
2. asked by anonymous
3. 566 views
is 95 pounds normal, or above for a 16 year old..? just wondering [height: 5 ft]i don't need any links., just opinions :D
1. 12 answers
2. asked by Bella
3. 565 views
A particular household ammonia solution ( = 0.97 ) is 6.8% by mass.How many milliliters of this solution should be diluted with
1. 0 answers
2. asked by MMmm
3. 565 views
Find the reciprocal of (-1/3)(9/2)(6)Thanks!
1. 7 answers
2. asked by Sadie
3. 564 views
I need someone to proof read my narrative paragraph for punctuation and spelling. Thank you!My First Deer Hunt. On November 17,
1. 1 answer
2. asked by Angie
3. 547 views
Was the peasants support important in the success of the Reformation even though their revolt was crushed?THANKS! :)
1. 1 answer
2. asked by anonymous
3. 546 views
how to find the amplitude and phase shift of :y= 3 + cos(5x+ pi/2)
1. 2 answers
2. asked by Jasmine
3. 545 views
sin^4cos^2x=(1/16)(1-cos 2x)(1-cos4x)work one 1 side only!
1. 1 answer
2. asked by hayden
3. 542 views
Can you reply to my french post. I think your able to help me with it.
1. 3 answers
2. asked by Chopsticks
3. 539 views
How do you decide what material to use from your source to summarize, quote or paraphrase. I need help immediatley if someone
1. 1 answer
2. asked by Sue
3. 537 views
I am trying to write "there are many islands" in Latin. How do you say there? Or can you just start with "are"? Would many
1. 2 answers
2. asked by Leah
3. 537 views
When you use the word physical therapy in a sentence does it have to be capaitalized and When you say Mr. Edwards does the s
1. 4 answers
2. asked by Monica
3. 535 views
I need help with this problem.Perform the indicated operation. 15-14 _________ (4)(4) 16
1. 6 answers
2. asked by Sadie
3. 531 views

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