Questions Asked on
January 25, 2012

physics
What is the volume of a piece of iron (ñ = 4.4 g/cm3) that has a mass of 0.65 kg?
asked by ivy 
physics
What is the volume of a piece of iron (ñ = 4.4 g/cm3) that has a mass of 0.65 kg?
asked by ivy 
physics
What is the volume of a piece of iron (ñ = 4.4 g/cm3) that has a mass of 0.65 kg?
asked by ivy 
algebra
A recent study shows that the number of Australian homes with a computer doubles every 8 months. Assuming that the number is increasing continuously, at approximately what monthly rate must the number of Australian computer owners be increasing for this to
asked by Shirley 
Problem Solving: Make a Table
Ed saved $50 one week. For the next six weeks, he saved $25 more than the week before. how much did he save in all? one student sloved this problem using the expression $50 + 6($25)=200 What error was made? What is the right anwser?
asked by Lorena P. 
Chemistry
By using the ClausiusClapeyron equation,lnP=Hvap/RT +C , derive the relationship between the vapor pressures,P1 and P2, and the absolute temperatures at which they were measured,T1 and T2 .
asked by Jeremy 
chemistry
How many grams of carbon dioxide can form when a mixture of 3.60 g ethylene (C2H4) and 2.70 g of oxygen is ignited, assuming complete combustion to form carbon dioxide and water?
asked by me 
math
Bobby has 3 times as many model spaceships as his friend Sylvester does. Bobby has 21 spaceships. How many model spaceships does Sylvester have ?
asked by osmin 
math
Dan saved $463 over the 12 weeks of summer break. He saved $297 of it during the last 4 weeks. How much did he save during the first 8 weeks?
asked by ritzy 
math
Dan saved $463 over the 12 weeks of summer break. He saved $297 of it during the last 4 weeks. How much did he save during the first 8 weeks?
asked by ritzy 
math
Dan saved $463 over the 12 weeks of summer break. He saved $297 of it during the last 4 weeks. How much did he save during the first 8 weeks?
asked by ritzy 
Chemistry
Gasoline is a mixture of hydrocarbons, a major component of which is octane,CH3CH2CH2CH2CH2CH2CH2CH3. Octane has a vapor pressure of 13.95 torr at 25 degrees celcius and a vapor pressure of 144.78 torr at 75 degrees celcius. Use these data and the equation
asked by Jeremy 
psycology
name some socioemotional changes in adolscents.
asked by tessla 
algebra
43=3(x+1)+2x
asked by eric 
chemistry
Calculate the value of ΔHo for the reaction 2 CH4 (g) > C2H6 (g) + H2 (g) given the following thermochemical equations: C2H2 (g) + H2 (g) > C2H4 (g) ΔHo = – 175.1 kJ C2H6 (g) > C2H4 (g) + H2 (g) ΔHo = + 136.4 kJ C2H2 (g) + 3 H2 (g) > 2 CH4 (g)
asked by rhea 
physical science
A stone is dropped from rest at the top of a tall building. Determine the distance the ball has traveled after ½ second, one second, 3/2 seconds, and 2 seconds. How fast is the ball moving at the end of the 2 seconds?
asked by Ed 
physics
A man of mass 75 kg and a women of mass 55 kg stand facing each other on an ice rink , both wearing ice skates . The women pushes the man with a horizontal force of 85 N in the positive x direction . a) What is the man s acceleration? b) What is the
asked by Anonymous 
trig
how to find out maxima of function 3acos3theta
asked by rajshri 
collge calculus
find the derivative of y=[(4^(7x))(7^(4x))]/[10^(e)] without using logarithmic differentiation!
asked by Anonymous 
algebra
Some bank robbers leave town, speeding at 71 mph. Twelve minutes later, the police give chase, traveling at 80 mph. How long will it take after the robbery for the police to overtake the robbers?
asked by Anonymous 
health accounting
explains the relationship between finance and accounting, and how they operate to determine financial viability within a health care organization.
asked by louis 
english
Who is kailas?how is he different from chandran?(the bechelor of arts)
asked by Narayan 
English
I urgently need to know if the following sentence is possible: 1) Robinson told the captain his story on how he had been made a slave. 2) The waves started crashing onto the ships.
asked by Henry2 
StatisticsProbability
Consider a binomial random variable X with parameters(4,1/2). Find the conditional probability mass function of X given that X is odd
asked by sand 
science
What is the total momentum of the system before the parcel is throrn?
asked by Ree 
chemistry
Air is 20.9% oxygen by volume.How many mL of air contains 175 mL of oxygen?
asked by mary 
electrochemistry
How do I determine the standard potential for an aluminum half cell? Can someone please explain to me how I do this? like what are the steps? thanks
asked by Kim 
math
Theta taa factroy produces equal number of 1/4kg packets and 1/2kg packets of tea. How many 1/4kg packets were produced from a totol of 45 tonnes of tea.
asked by Anonymous 
math
Theta taa factroy produces equal number of 1/4kg packets and 1/2kg packets of tea. How many 1/4kg packets were produced from a totol of 45 tonnes of tea. Pliz explain
asked by Anonymous 
geometry
m angle 2=6x2
asked by Donna 
anatomy
the nervous system is comprised of what two tissue types??
asked by julia 
Physics
I have to create a teaching aid for physics based on the principles i have learnt like gravitation , mechanical properties and many more. I am not able to find the right experiment to demonstrate infront of my teacher.Please help me deal with this by
asked by confused 
spelling
what does v/cv and vc/v mean
asked by tbone 
math
i need to find the answer for 964837 x 465
asked by dan 
math
John checks every 8th item for color, and Colin checks every 12th item for durability. If 1,920 items passed by both of them, how many items were checked by both John and colin? How do I figure this?
asked by Linda 
Algebra
Alcohol Consumption In 2004, about 233 million people in the United States were aged 14 or older. They consumed, on average, 2.23 gallons of alcohol per person. Use scientific notation to estimate the total number of gallons of alcohol consumed by this age
asked by Marc Waters 
mathematics
given tha geometric progression x,y,15.find the value of x,find the value of y ?
asked by michael 
maths
Given the G.P 05,0.005,0.0005.find the 7th term, find the sum of the 1st 7th term
asked by michael 
Business Research
1. You are the head researcher on a study that is tracking vocational preferences from high school through middle adulthood. List the steps you would take in selecting the sample to be used in the study. 2. A researcher decides to give a questionnaire on
asked by Lindsey 
Maths
A staight pipe of 20m is their.A man climb it 5m in a day and slips 2.5m in night. so how much days it will take to climb
asked by Mehul 
Business Research
4. What's wrong with this scenario? An experimenter is interested in better under standing why some people love fast food and some do not. He stands in the fastfood isle of the market and asks buyers their opinion.
asked by Lindsey 
Business Research
5. What is the difference between a probability and a nonprobability sampling strat egy? Provide an example of each. Also, what are the advantages and disadvantages of each type of sample?
asked by Lindsey 
Business Research
What is the easiest way to reduce sampling error? What is the relationship between sampling error and the generalizability of the results of a study? Finally, what hap pens to sampling error as the size of the sample increases? Why?
asked by Lindsey 
Business Research
With a population of 10,000 children (50% boys and 50% girls, 70% white and 30% nonwhite, and 57% singleparent family and 43% dualparent family), what steps would you use to select a representative sample size of 150?
asked by Lindsey 
Business Research
9. How should a greater amount of variability within groups and a smaller difference between groups affect sample size?
asked by Lindsey 
Business Research
10. Using a table of random numbers, select six names from the following list of 10: Michael Susan Sara Kent Selma Harriet Annette David Sharon Ed How many of the six would you expect to be males, and how many would you expect to be females? Why?
asked by Lindsey 
Business Research
11. What are the implications of using a sample that is too big or a sample that is too small? How big is big enough?
asked by Lindsey 
Maths
a pipe of 20m.a man climb it 5m in a day and slips 2.5m in night. so how much days it will take to climb
asked by Mehul 
Binomial Theoram
If A be the sum of the odd terms and B the sum of the even terms in the expansion of (x+a)ⁿ. Prove that A²  B² = (x²a²)ⁿ.
asked by Kewal 
Binomial Theoram
Show that the coefficient of the middle term of(1+x)power2n is equal to the sum of the coefficients of the two middle terms of (1+x)power2n1.
asked by Kewal 
pysical science
an inline roler skate company is testing to see how quickly their new brakes will allow the skater to come to a stop. a skater starting at 8m/s puts on his brakes to come to a stop. it takes the skater 4 seconds to stop. what is the deceleration of the
asked by randi 
maths
Given the G.P x,y,15. Find the value of x and y find the 9th term find the sum of the 1st term
asked by Allwell 
math
After eight matches a basketball player had scored a mean of 27 points,after another 3 matches his mean was 29,after more 5 matches his mean rose to 32.calculate the total number of points he scored in the last five games.
asked by Monday .U. 
math
Orlando has a bank statement balance of $414.25 and $5.90 service charge. His check register shows $374.16 and he has two outstanding checks of $26.54 and $21.78. What is his true balance?
asked by help 
physical
A crate of mass 20kg is pulled by a force of 100N at an angle 30 above the horizon an friction force of 20N develops between the crate and surface draw a force diagram and free body diagram
asked by Clothilda 
English
I urgently need you to check these sentences. Thank you very much. 1) I received the address of your school from a university student I met during my summer vacation in Madrid. 2) We are currently looking for a school interested in joining us in a
asked by Henry2 
pre calc
g(1/2)=(1/2)^2+7(1/2)7
asked by Dorene 
chemistry
Cooking bacon till it is "crisp," would be a chemical change correct? Since you are pretty much burning it?
asked by desiree 
geology
if a T. rex has a mass of 6.8 metric tons and a density of 0.8 g/cm^3 then calculate the volume of its body in cubic meters.
asked by blanche 
chemistry
An electric range burner weighing 614 grams is turned off after reaching a temperature of 499.0oC, and is allowed to cool down to 22.2oC. Calculate the specific heat of the burner if all the heat evolved from the burner is used to heat 565 grams of water
asked by jayla 
Calculus
limit of (x+sin(x))/x, as x approaches 0
asked by Anonymous 
Economics
What is labour?
asked by Miracle 
Chemistry
Benzene burns with intense smoky flame,this is b/c ?
asked by Chemo 
physics
A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.890 m/s at an angle of 33.6° above the table, and it lands on the magazine 0.0750 s after leaving the table. Ignore air resistance. How thick
asked by Anonymous 
physics
A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.890 m/s at an angle of 33.6° above the table, and it lands on the magazine 0.0750 s after leaving the table. Ignore air resistance. How thick
asked by Anonymous 
chemistry
molality deft with illastration please give information this topic.
asked by maulik 
physics
A placekicker kicks a football at an angle of è = 41.5° above the horizontal axis, as the figure below shows. The initial speed of the ball is v0 = 26 m/s. Also assume that the ball is kicked on the moon instead of on the earth. The acceleration due to
asked by Anonymous 
shabou
Can someone please make a Binarytree of these methodes in Java?: public void add(int element) //Adds the specified element into this datastructure. public void clear() //Removes all of the elements from this datastructure. public boolean contains(int
asked by Nadja 
physics
An airplane has a mass of 34,500 kg and takes off under the influence of a constant net force of 45,000 N. What is the net force that acts on the plane's 80 kg pilot?
asked by Anonymous 
Chemistry
A certain substance has a heat of vaporization of 34.65 kj/mol. At what kelvin temperature will the vapor pressure be 3.50 times higher than it was at 331 k?
asked by Josh 
science
What is the amount of water needed to obtain a saturated solution using 27g of barium nitrate? What mass of water is present
asked by Jana 
math
What is the value of point X on the number line?
asked by john 
math
How many branches will the number 17 have in its completed factor tree?
asked by john 
math
Clara's pay from her paper route is based on the expression $15 + $0.10p, where p is the number of papers she delivers during the wiik. What would her weekly pay be if she deliver 315 papers each week?
asked by peter 
trig
Find the length of side b to the nearest whole number if side a=105,angle A=65 degrees and angle B=37 degrees?
asked by hd 
math
In a basketball freethrow contest held at the high school, Rudy made 4 out 5 free throws. At this rate, how many free throws could he expect to make in 25 tries?
asked by raymond 
math
Michelle put $2000 in a savings account at 1.75 percent interest. She kept it there for eight years. How much interest did she earn?
asked by help 
math
Fran bought 6 yards of blue tapestry material. She used it to upholster 3 chairs. How much of the material would che need to upholster 7 chairs?
asked by gary 
math
Use (Triangle) PQR with coordinates P(2, –1), Q(0, 5), and R(–2, 0). Which matrix expression can be used to translate (triangle)PQR 1 unit left and 3 units up?
asked by danny 
chemistry
Elemental antiomony made by these reactions down below: Sb2S3 + 5 O2  > Sb2O4 + 3 SO2 Sb2O4 + 4 C  > 2 Sb + 4 CO how many grams O2 needed to prepare 1.00g of Sb? how many grams Sb formed when 84.9g of Sb2S3 and 39.0g of O2 r used in first reaction and
asked by Shreya 
Reading
What's a description of Nicholas II and his Family that would go with the story Animal Farm?
asked by Nate 
trig
What is the fundamental period of the function f(x)=4/9sinx
asked by Bash 
Algebra
You provide the manager with a quadratic equation that models the expected number of ticket sales for each day x. (x = 1 is the day tickets go on sale). Tickets = 0.6x2 + 12x + 11 . Describe what happens to the ticket sales as time passes. My question is
asked by Samatha 
math
draw a line 5cm long. Divide it in the ratio 7:3. Measure the longer part
asked by Rukayyah 
math
How much money would you have in a savings account at the end of one year, if you saved $1000 at two percent interest compounded quarterly? Round to the nearest dollar
asked by help 
general spelling
What is the first letter of zinciferes ?
asked by Asad 
CHEMISTRY
DRAW LEWIS, KEKULE AND SKELETAL STRUCTURE OF: (CH3)2NCH2CH3
asked by JEFF 
math
solve the equation (1/4)^x = (1/8)^2x1 solve the equation 3^x+2=27^x4
asked by Annie 
math
Factor completely x(x+1)^24(x+1) (2x+3)^29
asked by Annie 
history
what was the primary goal of president ford's WIN program?
asked by kayla 
math
Determine the values of k for which the function f(x)= 4x^23x+2kx+1 has two zeros , check these values in the original equation
asked by Annie 
math
Which of the following is the solution to the matrix equation below? [0 9 2] [18] [3 2 1] x=[5] [1 1 0] [1] a) [3 2 18] b) [3 2 18] c) [3] [2] [18] d)[3] [2] [18]
asked by danny 
inventions
Need to come up with an invention
asked by jake 
Biology
Is is all plant that make use of the process ''photosynthesis''? If no, why? if yes, why?
asked by Allwell 
Chemistry
A sample of steam with a mass of 0.550 g and at a temperature of 100 degrees C condenses into an insulated container holding 4.40 g of water at 5.0 degrees C. Assuming that no heat is lost to the surroundings, what will be the final temperature of the
asked by Becca 
physics
A force of 34.5 newtons is applied to an object at an angle of 45 º with the horizontal. What is the force acting on the object in the horizontal direction?
asked by Anonymous 
stat
A survey was conducted to study the relationship between the annual income of a family and the amount of money the family spends on entertainment. Data were collected from a random sample of 280 families from a certain metropolitan area. A meaningful
asked by Divine 
English
I urgently need you to check these sentences, please. Thank you. 1) We are going to fix the exact number of both teachers and students to be involved in the project as well as the number of mobilities during our preliminary meeting on Friday 27. That's why
asked by Henry2 
Calculus
True or false: If f(x) is continuous on the interval [a,b] & if the definite integral of f(x) over this interval has value zero, then the equation f(x)=0 has at least one solution in the interval [a,b]. True or false: If f(x) is continuous everywhere and
asked by Kate 
Calculus
Let F(x)=int from 0 to x of (t3)/(t^2+7) dt for infinity
asked by Kate 
Calculus
Over what open interval does the formula F(x)= int from 0 to x of dt/t represent an anti derivative of f(x) =1/x? Find a point where the graph of F crosses the x axis.
asked by Kate 
math
the sides of a polygon have lengths of 2cm,5cm,6cm,4cm,9cm and the perimeter of a smaller polygon is 78cm Find the length of the sides of the larger polygon
asked by the game 
math
If everyone had the same body proportions, your weight in pounds would vary directly with the cube of your height in feet. Assume the average height and weight of a female in your math class is 5'5" and 150 pounds. Use this information to write a variation
asked by montrey sanon 
health
a. anxiety disorders only affect adults over the age of 50. b. workplace losses due to anxiety disorders have increased. c. medical costs associated with anxiety disorders have decreased. d. they are the second most common mental health problem in the U.S.
asked by leslie 
English
I left out the following sentences. Can you please have a look at them? 1) The man on the left is wearing a greenandwhite kilt, a shortsleeved shirt and a pair of kneehigh socks. He is carrying a very high and heavy log (not trunk) with both hands. His
asked by Henry2 
health
Which of the following is true of psychosocially healthy people? a. They are uncomfortable when put in new social situations. b. They frequently experience guilt. c. They value human diversity. d. They avoid new experiences.
asked by leslie 
health
Which of the following statements about schizophrenia is true? a. Schizophrenia can be cured. b. Schizophrenia is a biological disease of the brain. c. Schizophrenia is caused by an environmental factor. d. Symptoms most commonly appear in early childhood.
asked by leslie 
health
A spiritually healthy person would a. feel as if they were part of a larger purpose. b. be selfcentered. c. believe that they have no control over their lives. d. be materialistic.
asked by leslie 
English
Could you please revise this sentence? Thank you. 1) By moblity we mean the transer of every single teacher or student to the partners' country within the two years of the project.
asked by Henry2 
trig
a. A sector that has been cut out of circular plastic sheet which has a circumference of 12.31 m. If the central angle of the sector is 1/4 of a revolution, find the area of the sector.
asked by rahul patel 
maths
b. The cross sectional area of a cylindrical pin is 38.1 cm2. The pin has a removed segment. If the height of the segment is 7% of the circumference, find the area of the removed segment.
asked by rahul patel 
business
i am researching the prepackaged software industry and i need to find what the future holds for that industry.
asked by chris 
history
I need to write a paper on the history of civil rights in America starting in 1950. Any ideas on where to start in terms of research?
asked by laura 
Chemistry
Consider an atom of Xenon. How many electrons in this atom... a) have the quantum number of l=2 b) have the quantum number of ml=0 c)have the quantum numbers n=5,ml=2 (at the same time) I think I know the answers. a) 10 b)2 c)2 But I am unsure and would
asked by Lindsey 
counseling
Hello, I do have to find a research article on some aspect of human development. what would be some ideas? like brain development. thanks
asked by alexia 
human resources
Imagine your business has grown to $3M+ in sales and 50+ employees. Determine if another form of ownership would be more appropriate. Explain the reasoning behind your decision
asked by meka 
Human Resource
Create a list of best practices customized to your own style of communication in a business setting. Give specific examples of how you could apply the tips and principles in Chapter 5 to become a better communicator.
asked by meka 
English
I'm posting you five sentences but I really don't know if all the words (in parentheses) are possible. 1) .... a greenandwhite kilt (?), a white, shortsleeved shirt and a pair of kneehigh socks. He is carrying a very high and heavy log (not trunk) with
asked by Henry2 
math
Kelly opened a savings account with $500 she received at 8th grade graduation four years ago. The account pays 2.5 percent compounded daily. How much should be in the account now?
asked by help 
math
f(x) = 4x^2 − x + 3, find f(a+h) I have 4a^2+8ah+4h^2ah+3 Is that right so far? and what do I do after that?
asked by Jas 
Punctuation & Grammar
She is a pleasant 18yearold female who states that she was at a pub where she was eating and actually fell while holding a tray and rolled her ankle. A) complete sentence B) fragment C) runon My first thought is C) runon, but I always second guess
asked by Jenny 
math
Shane invests $7,000 in bonds that earn simple interest of 3%. The interest is payable at the maturity of the bonds after 5 years. Find the total amount that Shane will receive at the end of 5 years.
asked by kim 
physics
the brake linings of the wheels of a car have total mass 4.8kg and specific heat capacity 1200 J kg 1 K1. calculate the maximum possible temperature rise of the brake linings when the car (of mass 800kg) travelling at 15 ms1 is brought to rest by
asked by jeremy 
math
What are the factors associated with math that you need to know about in order to obtain a mortgage loan. List at least five (5) factors and provide a rationale for those you selected.
asked by meka 
math
Frank opened a savings account with $700 at 4.5 percent interest, compounded quarterly, and kept it in the account for two years. How much was the final amount?
asked by km 
english
Why do poets use sarcasm in their work? I think that it's so they can get their point across more effectively, but I'm not so sure...
asked by Anonymous 
physics
A 62kg person lies flat on uniform plank of mass 15kg.The plank, with the person lying on it,is placed on a brick at the head and a bathroom scale at the foot,both under the plank.The persons toe to head dist is 1.56m.The length of the plank is also 1.56m.
asked by bosco 
math
ms fuller has 2 2/6 pies left over from her party .write the number of pies left over as a fractions greater than 1
asked by junior 
geometry
51. The ﬁgure below illustrates an isosceles right triangle with legs of length 1, along with onefourth of a circle centered at the rightangle vertex of the triangle. Using the result that the shortest path between two points is a line segment, explain
asked by deana 
math
alex family ate 1 7/8 pizzas for dinner .which shows this mixed number written as fractions greater than 1
asked by junior 
math
alex family ate 1 7/8 pizzas for dinner .which shows this mixed number written as fractions greater than 1
asked by junior 
please check
1. Which of the following statements regarding stress and hair loss is NOT true? a. The best treatments for stress induced hair loss are to improve sleep quality, manage stress, and have a healthy dietary intake. b. Stress may cause hair to fall out as a
asked by leslie 
English
I urgently need you to check these sentences, too. Thank you. 1) Hi Andrew, how are you? I ‘m very well because I spent a very beautiful weekend with both my family and my friends. 2) On Saturday morning I played tennis with my father whereas in the
asked by Henry2 
math
51. The ﬁgure below illustrates an isosceles right triangle with legs of length 1, along with onefourth of a circle centered at the rightangle vertex of the triangle. Using the result that the shortest path between two points is a line segment, explain
asked by deana 
math
x2+20x+100=64
asked by tiana 
physical science
If a jogger 10 m away from point p and runninp at a constant speed of 2 m's sees the camera at the same instant it starts falling from the ballon,will he be able to catch the camera before it strikes the ground? Use a culculation to show how you arrived at
asked by Litha 
Law
The __________ section of the trial memorandum is comparable to the discussion section of an internal memorandum. (Points: 5) argument issues presented statement of facts conclusion is it C
asked by Andy 
Misc.
How do you know what township you are in?
asked by martha 
math
Bert is planning to open a savings account that earns 1.6% simple interest yearly. He wants to earn exactly $160 in interest after 2 years. How much money should he deposit?
asked by shannon 
Mousetrap Cars (again)
What is the history of the mousetrap cars?
asked by Anonymous 
math
how we write 5 1over2 i standard form
asked by Anonymous 
English
I left out two sentences. In my next post I will include some of the objectives I'm thinking of including in my project. 1) The woman is wearing a lownecked (twotone) polkadot dress, a large blue (sugar cane blue?) boater (straw hat) on her head and a
asked by Henry2 
Spanish9th gradePlease check
I have a questionI have to write the verb correctly for these two sentences Did I do them correctly? 1. nosotros/lavarnos Nosotros nos lavamos. 2. yo/ponerme Yo me pongo.
asked by Sammy 
math
what is the largest prime less than 1000? explain how you got ypur answer
asked by DJ 
algebra
4x+y=5
asked by Anonymous 
Mixed numbers and improper fractions
Improper fraction as a mixed number in simplest form? 29/18
asked by Shamekka teart 
Marketing Management
What do marketers mean when they refer to socicultural environments and why do they need to understand these environments in a global marketplace?
asked by Regina 
U.S History
explain the debate involved in gibbons v. ogden and the final decision.
asked by Jackson 
Physics
What is th mass in kg for a 10cm3 cube of ice?
asked by Breia 
Physics
What is th mass in kg for a 10cm3 cube of ice?
asked by Breia 
Chemistry
What is the complete balanced equation for this partial equation? Mg(s) + HCl(aq) → ?
asked by Shea 
Math
The final math grades for all 6th graders were A: 125, B: 200, C: 350, D: 95, and F: 25. Make a bar graph to display this data. In the box below, write a description of your bar graph.
asked by april 
World History
What are three technological improvements that made widespread exploration possible? Thanks MC
asked by mysterychicken 
Algebra
Write the equation in standard form. (2,8) m=9 What are the steps to do this?
asked by Niki 
calculus(Lab)
Well, first graph the graph of f(x)=1/10x^2 + 3 2. We are going to approximate the area between f and the xaxis from x = 0 to x = 4 using rectangles (the method of Riemann sums). This is not the entire area in the first quadrant, just most of it. Draw
asked by Yoona 
Social Studies
True or False: The U.S. wanted to avoid war with Britain. I can't find it on Google
asked by Adam 
philosphy
How does culture influence the symbolism used in mythology and religious thought?
asked by Anonymous 
College Algebra
How long would it take for a ball dropped from the top of a 400 foot building to hit the ground? Round your answer to two decimal places Use gravity formula
asked by Heather 
Chemistry
50.00 mL of OOH was diluted to 250.0 mL with deionized water. In the determination of the total cation concentration, 25.00 mL aliquots of the dilute OOH were passed through a cation exchange column and the eluent titrated with an average 27.42 mL of
asked by Camice 
math
p(less than 3 and consonant)
asked by johanna 
math
A couple has 4 children ages 9,6,4,and 1.What is the probability that they are all girls.
asked by Amina 
Social Studies
In what year did the War of 1812 start? 1812, right? Cause when I search it a lot of different dates show up
asked by Adam 
physics
A 62kg person lies flat on uniform plank of mass 15kg.The plank, with the person lying on it,is placed on a brick at the head and a bathroom scale at the foot,both under the plank.The persons toe to head dist is 1.56m.The length of the plank is also 1.56m.
asked by egghead 
Pre Algebra
The temperature was 72 degrees F. At midnight a cold front moved in dropping the temperature 12 degrees F. Write a number sentence to show result. I need help! Thanks to anyone helping.
asked by Cheyenne 
math
Mr. Garcia is going to pain a mural on one wall. There is a rectangular shaped window that is 24 in. wide and 36 in. high on the wall. How many square feet of the wall will be painted?
asked by Jeanne 
biology
Do living tissues react more like water or more like a buffer?
asked by Anonymous 
math
If I am converting 0.00603 into scientific notation, which would be correct? 6.03 x 10^3 OR 60.3 x 10^4 I am a little confused about what to do when there is a zero between two numbers.
asked by lindsey 
Math
90 oz=____pounds How do you get the answer?
asked by Jaycee 
Math
Please explain to me how to solve: A circular mirror is surrounded by a square metal frame. The radius of the mirror is 5x. The side length of the metal frame is 15x. What is the area of the metal frame? Write your answer in factored form.
asked by Jane 
algebra 1
simplify each expression. (6c^2)(2c^23c)
asked by kit kat 
math
Please help me with the following problem, I have veiwed the answers to the other problems like this one and were told they were incorrect: If you do not consider air resistance, gravity causes a falling object to descend a distance of (9.8)t2 where t is
asked by IN NEED OF HELP 
math
Please explain how to solve: A circular table is painted yellow with a red square in the middle. The radius of the tabletop is 6x. The side length of the red square is 3x. What is the area of the yellow part of the tabletop? Write your answer in factored
asked by Jane 
English 3
1. Which sentence states an opinion held by American Romantic writers? a. Cities are centers of corruption and ugliness b. European literature has no traditions worth considering c. Westward expansion is exploitative and dangerous d. Ordinary readers do
asked by mysterychicken 
Social Studies
What was the main cause of the War of 1812?
asked by Adam 
Social Studies
Who was Tecumseh? He was a Native American leader of the Shawnee and he sided with British. What was written during one of the battles during the War of 1812? We have met the enemy and they are ours. Correct?
asked by Adam 
math
not understanding this assignment, it ask, terrence skated 8 feet in 4 seconds at a constant rate, how fast did he skate in feet per second
asked by cain 
geometry
in a parallelogram, consecutive angles aresupplementary. in the parallelogram below angle F measures (6x + 1) degrees and angle G measures (8x +11) degrees. find the numerical measure of both angles.
asked by Myquan 
Science 7R
What is order of the 7 levels of the classfication system??? I looked in my textbook but it's not there.
asked by Laruen 
English 7  Perserverance: Rosa Parks
What are 3 ways did rosa parks showed perserverance????
asked by Laruen 
Calc
Use the Intermediate Value Theorem to check whether the equation x^3–3x+2.1=0 has a root in the interval (0,1) answer: yes or no ? i have no idea how to answer to go about solving this question, thanks for the help!
asked by UCI STUDENT 
Math
Clark's dog weighs 30 pounds. Matt's dog weighs 450 ounces. Whos dog weighs more? How much more? Clark's weighs more. Clark's weighs more by 2. Correct?
asked by Jaycee 
geometry
If D is the circumcenter. Given DH equals 19, what is DG?
asked by Anonymous 
math
A Grade 2 class was playing Guess My Rule. 12 students were wearing sneakers. 10 students were not wearing sneakers. how many more students were wearing sneakers?
asked by Ida 
chemistry
A chemistry student weighs out 0.172 grams of acrylic acid (HCH2CHCO2) into a volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1800 moles/liter NaOH solution. Calculate the volume of NaOH solution the
asked by Lucas 
cemistry
how to identify bond angles
asked by chemistry 
Social Studies
What was the MAIN cause of the War of 1812? On wikipedia its saying different things and not saying which is the main
asked by Adam 
7th grade Lang. Art
which word in caps makes more sense? Though the colonies long (SEETHE, SINGE) with resentment at the British, the cauldron of their discontent did not boil over into rebellion until 1776. Please help thank you
asked by saranghae12 
Math
What is the first step. Explain please. Which expression is equivalent to cos^2x + cot^2x + sin2^x? a) 2csc^2x b) tan^2x c) cot^2x d) csc^2x cos^2x + cot^2x + sin2^x
asked by Jake 
math
if sec theta = 2,what are the other five functions in values of theta?
asked by trigonometry 
math
alex's family ate 1 7/8 pizzas for dinner .which shows this mixed number written as fractions greater than 1 possible answers: 9/8 15/8 16/8 17/8
asked by mckayla 
Business Finance
Morgan company received from Lee Company an invoice dated September 27. Terms were 2/10 EOM. List price on the invoice was $5000(freight not included). Morgan recievves a 9/7 chain discount. Frieght charges are Morgan's responsibility but Lee agreed to
asked by Terrry 
History
What was America’s involvement in the Korean war?
asked by Aliana 
Physics
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed to collide into a tumor, killing the malignant cells. Suppose a proton accelerator is 4.21 m long and must accelerate protons
asked by Ashley 
algebra/functions
If G is an increasing function. what can you say about G(3)  G(1)?
asked by luckybee 
algebra/functions
If F is a decreasing function what can you say about F(2) compared to F(2)?
asked by luckybee 
English
In act one scene three of Julius Caesar, what are some details in the scene that help build suspense?
asked by Morgan 
spelling
analogy consonant blend for caught length with word that begins with scr,spr,str or thr
asked by nicole 
algebra
INTRODUCTION TO RATIONAL EXPRESSIONS Distance and Time A car is traveling at 60 miles per hour. (a) How long does it take the car to travel 360 miles? (b) Write a rational expression that gives the time that it takes the car to travel M miles
asked by felica 
Physics
In lab tests it was found that rats can detect electric fields of about 5.07 kN/C or more. If a point charge of 1.24 μC is sitting in a maze, how close must the rat come to the charge in order to detect it?
asked by Ashley 
Bio
Do you guys know of any videos that describe how to tell what bacterias on a slide are bacillus cereus, seratia marsescens, e coli, sarcina lutea and bacillus subtilis? thanks
asked by rebekah 
PreAlgebra
Tropical storm Alpha has winds of 50 miles per hour. Write and solve an inequality to find how much the winds need to decrease so that the storm is downgraded to a depression.
asked by Me PLZ HELP!!!! TNX 
algebra 1
simplify each expression. (6c^2)(2c^23c)
asked by kit 
math
Determine the values of k for which the function f(x)= 4x^23x+2kx+1 has two zeros , check these values in the original equation
asked by Annie 
math
i need help on my homework
asked by amy 
chemistry
hi Does anyone know about Richard Carl Emil Erlenmeyer's friends, his problems, addictions and character? please help
asked by ted 
Physics: Collison/Momentum Problem
A 15 kg mass, moving east at 5 m/s, collides elastically with another 10 kg mass, moving west at 1 m/s. After the collision, the larger mass moves off with a velocity of 3 m/s. What is the final velocity of the smaller mass? Is it 4m/s? Or would it be
asked by Cicilia 
Geometry
The ratio of the side lengths of a triangle. Is 2:4:5 and the perimeter is 55 cm. What is the length of the shortest side?
asked by Erica 
physics
a bee flies 12m north, 8m west, and then 4m south, what is the displacement
asked by Kaylynn 
physics
A typical woman gives off heat at the rate of about 8000 calories per hour. How long would a woman have to stay in a bath of 60L (60,000g)of 26*C water in order to raise the water temperature to 30*C. Presume that all the heat given off by the woman is
asked by ang 
CalculusRelated Rates
Three elementry kids are at a field day hula hoop contest. They were the last one standing of the heated competition. They have been hula hooping for 10minutes. Student1 (S1) is at point (6,5); Student2 (S2) is at point (6,1) while student 3(S3) is at
asked by Anna 
physics
A typical woman gives off heat at the rate of about 8000 calories per hour. How long would a woman have to stay in a bath of 60L (60,000g)of 26*C water in order to raise the water temperature to 30*C. Presume that all the heat given off by the woman is
asked by ang 
chemistry
A closed container with a mixture of hydrogen, helium, and argon has a total pressure of 2.90 atm. The partial pressure of hydrogen is 0.500 atm and the partial pressure of argon is 760. mm Hg. What is the partial pressure of helium?
asked by leah 
chemistry
Determine the theoretical and percent yield of hydrogen gas if 78.5 g water undergoes electrolysis to produce hydrogen and oxygen and 3.63 g hydrogen is collected?
asked by franklin 
science
answer to 5th grade science question: a man is in a boat and he loses his paddles, he has 10 fish, a beach ball, and 2 sandwiches with him, how does he get back to shore without getting wet?
asked by Emelia 
calculus
Use the disk or the shell method to find the volume of the solid generated by revolving the region bounded by the graphs of the equations about each given line. y = x3 y = 0 x = 3 the xaxis,the yaxis,and the line x = 4
asked by Meltnd 
social studies
What role did the Bill of Rights play in convincing the states to ratify the Constitution?
asked by stephanie 
physics
The specific heat of mercury is .03cal/g*C, and it's boiling point is 357*C. The specific heat of water is 1 cal/g*C. It takes 65 calories of energy to vaporize one gram of mercury and 540 calories to vaporize one gram of water. If both substances begin at
asked by Angel 
social studies
What was the original purpose of the Constitutional Convention?
asked by stephanie 
geometry
Lines M and T are parallel with a Transversal line P. [Labeling for the angles on line P intersecting M are, top right corner is angle 1, the top left is angle 2, the bottom left is angle 3, and the bottom left is angle 4. This pattern {top left, top
asked by John 
Spanish
Coud someone please check my answers to the questions? 1.¿Qué apagas cuando tienes frío? Apago la ventiladora cuando tengo frío. 2.¿Dónde están las cosas muy frías en tu cocina? Están en el refrigerador. 3.¿Qué usa tu madre para cocinar? Ella
asked by Jonah 
Physics
In a cathode ray tube, electrons initially at rest are accelerated by a uniform electric field of magnitude 4.71 x 105 N/C during the first 5.49 cm of the tube's length; then they move at essentially constant velocity another 47.9 cm before hitting the
asked by Megan 
Science
An aqueous solution of calcium chloride boils at 101.3. How many kilograms of calcium chloride were dissolved in 1000 g of the solvent?
asked by Nita 
Math
Find 9.62 x 1.005. Can you please show me step by step because I keep getting the wrong answer. Thanks.
asked by Adryan 
Math
Rebecca gives gifts to 12 employees. Each gift is in a box that is 12 inches by 10 inches by 3 inches. How much wrapping paper does Rebecca need to completely the cover the boxes? F. 360 in(insert exponent 2) G. 1,720 in(insert exponent 2) H. 4,320
asked by Bob 
Physics
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed to collide into a tumor, killing the malignant cells. Suppose a proton accelerator is 4.21 m long and must accelerate protons
asked by Sarah 
physics
Olympic swimmers can swim at a speed of 1.7 m/s. If an Olympic swimmer were swimming in the ocean on a day when the wavelength of the waves was 20m and the frequency was 1 Hz, would the swimmer be able to swim fast enough to avoid being lifted by a wave?
asked by Jon 
Math
Solve (sinx1)(cosx 1/2) = 0 where 0≤x
asked by Jake 
social studies
i need help for writing essay on my state nj
asked by esha 
physics
A dime is 1.8 cm in diameter. Earth's moon is 3.844´1010 cm from Earth and has a diameter of 3.76´108 cm. At what distance from your eye would you have to hold a dime so that it has the same angular diameter as the full moon?
asked by Anonymous 
algebra
Jenny is 5ft 2in. tall. To find the height of a light pole, she measured her shadow and the pole shadow What is the height of the pole?
asked by kelly 
Maths
In how many places does y=4x^22x5 cross the x axis?
asked by Peter 
math
you deposit $2200 in an account that pays 3% annual interest. after 15 years, you withdraw the money. what is the balance if the interest is compounded continuously?
asked by sam 
social studies
to ms sue, i want some points on what to write what my state means to me
asked by esha 
physics
Sound travels around 340 m/s in air. If a bat squeaks and hears the echo of its squeak return to it 6 seconds later, how far away is the insect which the bats squeak encountered? This question doesnt even make sense to me!! Does anyone have a formula that
asked by Hannah 
Pre cal
3Square root of 2 cosine theta equals 1
asked by Dude 
physics
Two sounds, one of 200 Hz and one of 194 Hz occur at the same time. What beat frequency do you hear? Show your calculations I'm not looking for someone to do my homework for me. I just don't know what formula to use to figure it out.
asked by Bethany 
8 Grade Math
At the same time that a flagpole casts a 4.5 m shadow , a meter stick casts a 1.5 m shadow. How tall is the flagpole ?
asked by Natalie 
Health
Do you think that all six dimensions of health are equally important? Why or why not?
asked by Sud 
college calculus
use the definition of derivative to prove that lim x>0 [ln(1+x)]/[x] = 1
asked by Anonymous 
Geography
I need a website with good information about the Tipitapa River in Nicaragua. All I've been getting is that it connects Lake Managua and Lake Nicaragua.
asked by Alyonka 
Calculus
Derive the integral of cos^n (x) dx= (1/n)cos^(n1) (x) sin(x)+((n1)/n)(integral of cos^(n2) (x) dx
asked by HELP!!! 
Algebra 2
Solve each equation by graphing. Where necessary, round to the nearest hundredth x^3+3x+4=0
asked by Christina 
Algebra 2
Solve each equation by graphing. Where necessary, round to the nearest hundredth x^4+2x3= 0
asked by Christina 
Algebra 2
Solve each equation by graphing. Where necessary, round to the nearest hundredth x^3+2x^2+1=0
asked by Christina 
Chemistry
Heating an ore of antimony (Sb2S3) in the presence of iron gives the element antimony and iron(II) sulfide. Sb2S3(s) + 3Fe(s) > 2Sb(s) + 3FeS(s) When 15.0 g Sb2Sb3 reacts with an excess of Fe, 9.84 g Sb is produced. What is the percent yield of this
asked by sammy 
Math 4th Grade
Adult Tickets are $5 Child Tickets are $2 There are twice as many children as adults at the concert. The total amount collected was $1,080. How many adults are at the concert?
asked by Tara 
Math
Is the sum of the measure of all the angles that come together in the center of a circle the same for every circle
asked by Sam 
Math
Ms. Ervine has a basket of grapes. If she gives 6 grapes to each of her students, she will have 2 grapes left. If she gives 7 grapes to each of her students, she will have to buy 11 more grapes. A) How many students does Ms. Ervine have? B) How many grapes
asked by Theresa 
Algebra
How do you solve(factor):: 1/3(3x6)^3+4
asked by Anonymous 
Algebra
A line intersects the graph of y= x^2 twice. One point has an x coordinate of 4, and the other point has an xcoordinate of 2. A) Draw a sketch of both graphs, and find the equation of the line. B) Find the measure of the angle that the line makes with
asked by Anonymous 
Algebra
A line intersects the graph of y= x^2 twice. One point has an x coordinate of 4, and the other point has an xcoordinate of 2. A) Draw a sketch of both graphs, and find the equation of the line. B) Find the measure of the angle that the line makes with
asked by Anonymous 
physics
Two friends, Al and Jo, have a combined mass of 171 kg. At an ice skating rink they stand close together on skates, at rest and facing each other, with a compressed spring between them. The spring is kept from pushing them apart, because they are holding
asked by Jen 
Algebra II
1. A sound has an intensity of 5.92 „e 1025W/m2.What is the loudness of the sound in decibels? Use . 2. Suppose you decrease the intensity of a sound by 45%. By how many decibels would the loudness be decreased?
asked by Nick 
physics
By what factor is the kinetic energy increased when the speed of a car is increased from 21 km/h to 98 km/h?
asked by Sam 
Math
1. 6x + 5 + 12x 6 2. 2(x  9) + 6(x + 2) + 4x 3. 3x2 + 12 + 9x  20 + 6x2  x Answers: 1.6x  1 2.6 3.9x2 + 8x  8
asked by Andrew 
geometry
you want to estimate the radius of the towns circular water tank. you stand at point c, about 6 feet from the circular tank. the distance from you to a point of tangency on the tank is about 10 feet. estimate the radius of the tank
asked by Pharoe 
Math
How many solutions does the equation cosx + 1/2 = 1 have for 0
asked by Jake 
physics
A 0.579 kg basketball is dropped out of a window that is 6.22 m above the ground. The ball is caught by a person whose hands are 1.31 m above the ground. How much work is done on the ball by its weight?
asked by Sam 
Business English
Which of the following statements most effectively applies youattitude? "We began processing your application today." "Your application is now being processed." "We will have your application processed by next Thursday." "Your application will be
asked by Jdub 
Business
How many years would it take for money to triple in value at 20% per year simple interest?
asked by Pat 
college algebra
9x^435x^2=0
asked by Rosa 
Intermediate College Algebra
4(3y4)+12y
asked by Ashley 
English
"You can't qualify for a Home Beautiful credit card until you are 18 years old." Indicate the alternative that both correctly evaluates the sentence and correctly explains the reason for the evaluation. a. Good youattitude because it begins with the word
asked by Jdub 
Algebra 2
Evan spent the summer earning money so he could buy the classics car of his dreams. He purchased the car for $2,295 from Fast Deal Freddie, the local used car salesman. Freddie told Evan that the car would increase by half its value after five years. Evan
asked by Anonymous 
College Algebra
9x^435x^24=0
asked by Rosa 
Quantitative analysis
If we produce 350 units of output, the total cost is $11,500. It costs us $12,900 to produce 420 units. If we assume the relationship is linear, determine the cost function.
asked by Rebekah 
trig
Find y if the point (7, y) is on the terminal side of θ and cos(θ) = 7/25
asked by josh 
calculus
Use the disk or the shell method to find the volume of the solid generated by revolving the region bounded by the graphs of the equations about each given line. y = x3 y = 0 x = 3 a)the line x = 4
asked by ReinaS 
Language arts
In Richard Brautigan's poem "All Watched Over by Machines of Loving Grace", what kind of figures of speech does he use? I know one of them is sarcasm, but I can't figure out if there are any more...
asked by Anonymous 
physics
Sound travels around 340 m/s in air. If a bat squeaks and hears the echo of its squeak return to it 6 seconds later, how far away is the insect which the bats squeak encountered? This question doesnt even make sense to me!! Does anyone have a formula that
asked by Hannah 
calculus
Find the arc length of the graph of the function over the indicated interval. (Round your answer to three decimal places.) y = (2/3)x^(3/2) +7 ;[0,6]
asked by Deenak 
physics
Olympic swimmers can swim at a speed of 1.7 m/s. If an Olympic swimmer were swimming in the ocean on a day when the wavelength of the waves was 20m and the frequency was 1 Hz, would the swimmer be able to swim fast enough to avoid being lifted by a wave?
asked by Jon 
philosophy
what makes an idea dangerous?
asked by brittney 
7th grade Lang. Art
Which word in caps makes more sense? Every year the professional football season (CULMINATES, BROODS) in the super bowl. Please help thank you
asked by saranghae12 
math
find all solution sets to the equation 2x^3+12x^2+50x=o
asked by shieda 
Math
Please help me with the following problem, I have submitted the answer: 88.2 and was told that it was incorrect. The word problem reads: If you do not consider air resistance, gravity causes a falling object to descend a distance of (9.8)t2 where t is the
asked by Please Please Help 
physics
what is the final temperature when a 3.0 kg gold bar at 99 degrees Celsius is dropped into 0.22 kg of water at 25 degrees Celsius?
asked by lenair 
Physics
Starting from rest, a 4.0kg body reaches a speed of 8.0 m/s in 2.0 s. What is the net force acting on the body?
asked by Emily 
calculus
Eight and onehalf footpounds of work is required to compress a spring 3 inches from its natural length. Find the work required to compress the spring an additional onehalf inch. (Round your answer to two decimal places.)
asked by fgm 
chem
a considerable amount of heat is required for the decomposition of aluminum oxide. 2Al2O3> 4Al(s)+ 3O2(g) change in heat= 3352KJ a. what is the heat change for the formation of 1 mol of aluminum oxide from its elements? i got this one. my answer is
asked by Skye 
Chemistry
Fill in the missing information in the following table of four neutral atoms Symbol 37Cl number of protons 36 46 number of neutrons 42 number of electrons 33 mass number 77 106
asked by Tiffany 
Physics
Starting from rest, a 4.0kg body reaches a speed of 8.0 m/s in 2.0 s. What is the net force acting on the body?
asked by Emily 
Algebra II
Working on my online math homework, I encountered this problem: Solve: (3x^1 y^2)^2 (x^2 y^5)^1 [[Spaces denote the end of the exponent.]] Because of the law of exponents that deals with negative exponents, I did the reciprocal and distributed the
asked by Kenneth 
math
what does unit rate mean?
asked by 12yearoldpoet 
trig
find two values of theta, zero degrees is than or equal to theta which is less than 360 degrees, that satisfy the given trigonometric equation. tan theta equals radical 3.
asked by damion 
geometry
need help with pythagorean theoren
asked by kim 
TO; Damon
Thank you for the gravity answer 78.4m
asked by TO : Damon