Questions Asked on
November 7, 2011

Calc
Describe in words the set of all points in R³ that satisfy the following expressions: a) z=0 b) z≥0 c) y≤0
asked by Erica 
statistics
suppose x is a uniform random variable with c=40 ana d= 70 find the probability that a randomly selected observation is between 43 and 65
asked by Anonymous 
physics
find the total mechanical energy of a massspring system with m=1.24 kg and maximum speed 0.670 m/s
asked by Brittanie 
statistics
high temperatures in a certain city for the of the month of august follow a uniform distribution over the interval 73 degreef to 103 degree f find the high temperature which 90% of the august days exceeded
asked by Anonymous 
calculus
5. Let f be the function given by f(x) = x3 7x + 6. a. Find the zeros of f b. Write an equation of the line tangent to the graph of f at x = 1 c. Find the x coordinate of the point where the tangent line is parallel to the secant line on the interval [1,
asked by Yoona 
smith
given that sin(a+b)= 56/65, cos(a+b)33/65, cos(b)=12/13 and pi/2
asked by jared 
Trig
Prove the following functions: (sinx+sin2x)/(1+cosx+cos2x)=tan x (cos3x/sinx)+(sin3x/cosx)=2cot2x tan2x=(2/cotxtanx) theses are due in the am. Fastness would be great?
asked by jared 
trig
given that sin(a+b)= 56/65, cos(a+b)33/65, cos(b)=12/13 and pi/2
asked by jared 
Trig/advance math concepts
state the amplitude, period, and phase shift of the function 0.4 sin (10x+pie/2)
asked by Cilla 
Math
Three students came to the bake sale to shop. The sum of their ages is 33. The product of their ages is 1320. How old are they?
asked by Wendy 
algebra
Solve 7(114w)15w=27(5013w) show work
asked by sharday 
algebra
Find the slope and yintercept of the line in the given equation. y=8/11 x5
asked by sharday 
english
conversation between two friends on school of 2050 how it would be compared to present one
asked by sam 
Psychologist
Maurine is a social drinker, drinking only occasionally during weekend parties with her friends. When she found out that she was pregnant, she: a. stopped all drinking because she knew that even a small amount of alcohol could harm the developing baby. b.
asked by Kasey 
Psychology
Danette knows she is not at all like her parents. She could never be like them. She is her own unique person. Her style of dress, mannerisms, and language emphasize her uniqueness. According to Erikson, Danette is attempting to establish: a. permanence. b.
asked by Kasey 
Physics
An airplane is moving through the air at a velocity v = 227 m/s. Streamlines just over the top of the wing are compressed to 80% of their original area, and those under the wing are not compressed at all. (a) Determine the velocity of the air just over the
asked by mymi 
Physics
A 1.8g balloon is filled with helium gas. When a mass of 4.8 g is attached to the balloon, the combined mass hangs in static equilibrium in midair. Assuming that the balloon is spherical, what is its diameter? (The density of helium is 0.179 kg/m3, and
asked by mymi 
Physics
Two spheres of the same diameter (in air), one of a lead alloy the other one made of steel are submerged at a depth h = 2932 m below the surface of the ocean. The ratio of the volumes of the two spheres at this depth is VSteel(h)/VLead(h) =
asked by mymi 
Physics
Two balls of the same volume are released inside a tank filled with water as shown in the figure. The densities of balls A and B are 0.86 g/cm3 and 0.55 g/cm3. (The density of water is 1.00 g/cm3. Take the +y direction to be up. Indicate the direction with
asked by mymi 
Physics
The atmosphere of Mars exerts a pressure of only 600 Pa on the surface and has a density of only 0.02 kg/m3. (a) What is the thickness of the Martian atmosphere, assuming the boundary between atmosphere and outer space to be the point where atmospheric
asked by mymi 
english
how to compare and differentiate is my problems.example can someone please do this to me in this two topics .love and heroism just brief? thank you for doing that.@N1LOSI
asked by barka 
Physics
Water at room temperature flows with a constant speed of 8 m/s through a nozzle with a square cross section, as shown in the figure. Water enters the nozzle at point A and exits the nozzle at point B. The lengths of the sides of the square cross section at
asked by mymi 
math algebra in second year level
venus says that the quantity of 6m raise to 5 over 4 are equal to 6m 4th root of 6m?do you agree why or why not?
asked by sheila mae 
English
1. Don't ask for directions. 2. Don't ask for direction. (Are both grammatical? Which one is correct?) 3. That's the foundation of the success of our work. 4. That's the foundation of the success for our work. (Are both grammatical? Do we have to use 'of'
asked by rfvv 
math algebra in second year level
is the quantity of 3x raise to zero raise to 1 half is equal to square root of 3?
asked by sheila mae 
chemistry
An element with relative atomic mass 20.8 is found to contain 2 isotopes having a relative atomic mass of 20 and 21.Find the % composition of the element.
asked by Luc 
math algebra in second year level
show that each of the following mathematical statement is true; a;(6 raise to 1 over 5)raise to 2 is equal to fifth root of 6 raise to 2? b;fourth root of 3 raise to 3 is equal to 1 over 27 raise to 1 over 4?
asked by sheila mae 
Psychology
Optimum physical health usually occurs: a. between the ages of 15 and 21. b. between the ages of 18 and 25. c. between the ages of 25 and 40. d. between the ages of 40 and 55. I think it is either c or d.
asked by Kasey 
chemistry
In the reaction:Zn+ 2HCL>ZnCl2+h2.What mass ZnCl2 is produced when 10g of zn reacted
asked by Luc 
chemistry
In the reaction:Zn+ 2HCL>ZnCl2+h2.What mass ZnCl2 is produced when 10g of zn reacted
asked by Luc 
Science
"a glass of water is at 60 degrees C if the temperature of water drops to 40 degrees C its specific volume will?
asked by John Wilson 
chemistry
Calculate the % by mass of carbon in octane
asked by Luc 
chemistry
Calculate the mass of carbon dioxide produced by burning 0.60kg of methane
asked by Luc 
chemistry
A sample of a compound is found to contain 21.84kg of phosphorous &28.16g of O2.find its emphirical formula
asked by Luc 
chemistry
50ml of 0.3M SO4 is titrated against KOH & end point is reached when 35.3 ml of the acid is added.find the molarity of the alkali
asked by Luc 
chemistry
You are provided with supply of 2M SO4.Explain how you may prepare 500ml of 0.5M SO4.
asked by Luc 
Science
If you mix 40.0 grams of Cu with 50.0ml of 1.20 M HNO3 solution, how many grams of NO gas can be made?
asked by Ashley 
chemistry
44:65f
asked by d.r luke 
chemistry
44:65f
asked by d.r luke 
English
I ugently need to know the pronunciation of the following words "Gujerat", "Gir Forest", and "Madhya Pradesh".I included four other sentences.Thank you. 1) The threat of extinction concerns the Asiatic lions, too. 2) The Asiatic lions are on the verge
asked by Henry2 
physics
a kid fires a slingshot pellet directly at a target that is far enough away to take one half second to reach. how far below the target does the pellet hit? how high above the target should she aim?
asked by Anonymous 
math
Ali scored 16 runs in a second cricket match and twice as many in the third match.If his total score so far is 95 runs,how many runs did Ali score in the first match
asked by yousif 
MS44
Antique Arts Company would pay Rs. 2.50 as dividend per share for the next year and is expected to grow indefinitely at 12%. What would be the equity value if the investor require 20% return?
asked by Manas 
Calculus
Money is deposited in an account for which the interest is compounded continuously. The initial investment in the account is $2000 and the annual interest rate is 14%. What is the time required for the balance to double? Round your answer to three decimal
asked by Help Me 
English
I have a doubt concerning the following structure: The Asiatic lions are in danger of extinction, as are the Asiatic cheetahs. (like the Asiatic cheetahs is also possible?) Where is this rule explained: as + verb + word like + word
asked by Henry2 
child daycare
wat is a developmental achievement of a twomonthsold infant? a. rolling from side to back b.Eruption of teeth c.Good control of head d. Turning toward the source of a sound 2. a condition often brought on by an allergic reaction is a. anemia b.diabetes
asked by fay 
Physics
Marie Curie first identified the element radium in 1898. She found that the radium226 (mass 3.77x10^25 kg) decays by emitting alpha particle (mass 6.64x10^27 kg). If the alpha particle's speed is 2.4x10^6 m/s, what is the speed of the recoiling nucleus?
asked by Amber 
Chemistry
Zn + I2 > Zn ^+2 + 2I will this reaction occur spontaneously?
asked by Shelly 
physics help please
What are the smallamplitude period and frequency of a 10.0 m long pendulum?
asked by John 
calculus
How do I rond three decimal places?
asked by Christina 
Chemistry
Which of the following substances is capable of reducing bromine, Br2? Cl H2 Ni or Au I think its H2
asked by Ryan 
calculous
A particle moves on the x –axis so that its position at any time is given by x(t) = 2t3 + 1. a. Find the acceleration of the particle at t = 0. b. Find the velocity of the particle when its acceleration is 0. c. Find the total distance traveled by the
asked by Yoona 
Chemistry
if you add 0.056 moles of HC2H3O2 to 0.064 moles of NH3, how many moles of each are actually neutralized?
asked by Cheryl 
statistics
Anne, Joe and Lynn, in this order, will take turns to draw two cards from a standard deck of 52 cards. Note that each draw of 2 cards is w/o replacement but draws of different turns are with replacement (the preceding two cards will be put back and the
asked by Edward 
biostatistics
A studyis run to estimate the mean total cholesterol level in children 2 to 6 years of age. A sample of 9 participants is selected and their total cholesterol levels are measured as follows: 185 225 240 196 175 180 194 147 223 Generate a 95% confidence
asked by natasha 
english
where in the book The Importance of Being Earnest does the author make fun of the victorian value of Social Responsibility?
asked by hannah 
Chemistry
IS THIS RIGHT? Experiments were performed with four metals and solutions of their ions: AA^+, BB^2+, CC^2+, DD^2+. The results of the experiments were: D^+2 + C > No reaction B^+2 + C> B + C^+2 A^+ + B > A + B^+2 a.) Write the equation for
asked by Julia 
Mathematics
Meiling and Meimei divide $69 into 2 shares. 3/4 of Meiling's share is equal to 2/5 of Meimei's share. How much does each get?
asked by Michael 
U.S. History
Traces the creation of the American government from Ancient Greece to Shay's rebellion. What am I supposed to do???
asked by Alice 
Physics
A 200 toy car is placed on a narrow 64diameter track with wheel grooves that keep the car going in a circle. The 1.5 track is free to turn on a frictionless, vertical axis. The spokes have negligible mass. After the car's switch is turned on, it soon
asked by Hsieh 
Spanish
Please checkI have to rewrite with an indirect object pronoun 1. Escribo una carta a mi abuela. Le escribo una carta a mi abuela. 2.Mando una tarjeta postal a mis amigos. Les mando una tarjeta postal a mi amigos.
asked by Ben 
probability
Find the probability that an insurance company will receive more than one warranty claim per day for at least eight of the next 10 days.
asked by Edward 
working with schoolage children
Which of the following is one of the steps for successful inclusion? 1) Use every inch of space in designated areas. 2)Organize all children in an assigned, designated area. 3) Modify appropriate environments and curriculum. 4)Provide every program
asked by susan 
Spanish
I had to write sentencesabout an ache in a certain body part with indirect pronoun . There were pictures provided and the first part of the sentence like "A mi amigo" and we had to fill in the restCould you check, please 1. pain in head A nosotros nos
asked by Ben 
Geometry
What is the area of a regular pentagon with a side length of 9.4 feet and an apothem length of 6.5 feet?
asked by Louisa 
eth
what are the similarites and differnces between virtue theory, ultiltarianism, and deontological ethics?
asked by at 
chemistry
Assume that you have 2.75 g of the deadly gas hydrogen cyanide,HCN. What is the volume of the gas at STP?
asked by Christy 
Physics
Two identical boats travel through still water at 3 m/s. They start from the same point, one travels parallel (and antiparallel) to the current and the other travels perpinducular. It takes one boat twice as long as the other. How fast is the current in
asked by Joe 
Physics
Michelson used a rotating eight sided mirrored "wheel" to determine speed of light. In this case the mirror is rotated at a certain frequency which allows light to travel from the source, reflect off the mirrored wheel and into the observers eyes. What is
asked by Chris 
Math, Please Help!!!
solve the trigonometric equation sinx + 1 = 2.6635. Please help me!!!
asked by Misty 
English
The thing I can't understand is the inversion subject verb in the sentence with "as" 1) The Asiatic lions are in danger of extinction, as are the Asiatic cheetahs. (like the Asiatic cheetahs/ as the Asiatic cheetahs are) 2) They have accepted my proposal
asked by Henry2 
physics
does F=ma predict the acceleration of the system accurately?
asked by kim 
Physical Science
What is the bond type of silicon difluoride?
asked by Jill 
Psychology
Avis put off writing her term paper until three days before it was due. "It's not that big of a deal. I can whip it out in a couple of hours," she thought. As it turned out, this was not the case. She averaged twohoursanight sleep as she struggled to
asked by Kasey 
Philosophy
In the conditional "P ¨ Q," "Q is a
asked by Anonymous 
math
1. To form a __________ we form a ratio between each frequency and the total number of scores in the set. (Points: 5) stemandleaf display frequency distribution relative frequency distribution frequency polygon
asked by Anonymous 
Physics
Find the initial accerleration of a rocket if the sstronauts on board experience eight times their normal weight during an initial vertical ascent. (Hint: In this exercise, the scale force is replaced by the normal force.)
asked by GY 
Physics
a 1.6kg box that is sliding on a friction less surface with the speed of 11m/s approaches a horizontal spring. The spring has a spring constant of 2000N/m. how far will the spring be compressed in stopping the box? How far will the spring be compressed
asked by bec 
math
4. For Questions 47, use the following data: The number of file conversions performed by a processor per day for 10 days was: 15, 27, 25, 28, 30, 31, 22, 25, 27, 29 What is the arithmetic mean of the data? (Points: 5) 20.7 25.9 27 29 5. What is the
asked by Anonymous 
college math
8. Sample data on employee age for a large auto parts manufacturer are as follows: Employee Age Frequency 2529 25 3034 33 3539 62 4044 26 4549 31 5054 8 What is the mean age of the employees? (Points: 5) 37 37.32 37.78 38.83
asked by Anonymous 
English
Could you please check which tense is best in the following sentences? Thank you. (The poet remembers a walk he went on with his sister, during which he was struck by the song of a Highland Lass.) 1) The poet doesn’t know the song she is singing. 2) As a
asked by Henry2 
writing sentences and paragraph
Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe
asked by STUDY 
Statistics
with a mean/median/mode value of 22 and a standard deviation of 17. Based on these numbers, we can say that approximately 50 percent of SOC 390 students work more than ____ hours per week? ..I don't understand how to figure this question out?
asked by mary 
Chemistry
Will the aqueous solution of titanium(II) chloride and beryllium chloride be colored or colorless?
asked by Colby 
chemistry
What is the mass of nitrogen dioxide contained in a 4.32 L vessel at 48 °C and 1.40 atm ?
asked by Anonymous 
chemistry
Predict whether nitrate salt solutions containing metal ions with the following outer shell electron configurations will be colored or colorless: [Ar] 3d^2 and [Kr] 4d^10
asked by Dani 
history
What was unusual about FDR’s first 100 days in office? a.During that period he never left the Oval Office b.He visited every sovereign nation c.It occurred in only three months d.The great volume of legislation passed into law I think its D but I just
asked by anonymous 
college math
10. For questions 1013, use the following data: 13 29 41 60 89 14 26 53 7 14 What is the arithmetic mean of the data? (Points: 5) 20 14 34.6 82 11. What is the range of the data? (Points: 5) 14 34.6 82 50 12. What is the variance of the data? (Points: 5)
asked by Anonymous 
Psychology
As a scientist, Carl is concerned with the intensity of lights in the modern human environment. In his research project, Group A consists of volunteers who have agreed to sleep each night for a week with a 150 watt light bulb hanging over their bed. Group
asked by Kasey 
history
What was the American position in World War II through November 1941? A.Neutral between the Allies and the Axis B.IsolationistDon’t get involved C.TotalitarianTake all we can get D.None of the above A?
asked by anonymous 
math
10. For questions 1013, use the following data: 13 29 41 60 89 14 26 53 7 14 What is the arithmetic mean of the data? (Points: 5) 20 14 34.6 82 11. What is the range of the data? (Points: 5) 14 34.6 82 50 12. What is the variance of the data? (Points: 5)
asked by Anonymous 
Psychology
In a classroom experiment, students were asked to place one paper clip in each hand. They were then instructed to add paper clips to the left hand until they were certain that the clips in the left hand weighed more than the paper clips in the right hand.
asked by Kasey 
college math
14. A probability is always expressed as a value from: (Points: 5) 0 and 1. 1 and 1. 0 and 100. 0 and 10.
asked by Anonymous 
college math
15. Records at a high school indicate that each year for the past five years, 120 of the 1,500 students were absent on the first day of hunting season. What is the likelihood that a particular student will be absent on the first day of hunting season this
asked by Anonymous 
college math
16. A study of a manufacturing process indicates that 120 of 6,000 units produced are defective. If a sampler selected 100 units, how many defective units would he expect to be present? (Points: 5) 2 5 6 10 17. Six red balls and four blue balls are placed
asked by Anonymous 
college math
18. Please answer questions 1819 using the following information: Class Scores Frequency  f Lower limit < score < upper limit 2030 6 3040 10 4050 12 5060 8 6070 4 What is the probability that a selected observation is between 40 and 50? (Points: 5)
asked by Anonymous 
college math
20. Calculate the range, variance, and standard deviation of the following data set: 5, 5, 6, 6, 6, 8, 8, 8, 8, 10, 10, 11, 12, 12, 20 (Points: 5) Range = 15; Variance = 225; Standard Deviation = 7.5 Range = 3.85; Variance = 14; Standard Deviation = 3.74
asked by Anonymous 
Phsics
A man weighs 772 N on Earth. What would he weigh on Jupiter, where the freefall acceleration is 25.9 m/s2? The acceleration of gravity is 9.8 m/s2 . Answer in units of N
asked by Drake 
chemistry
The solubility of nitrogen gas in water at 25 °C and 1 atm is 6.8!10"4 mol/L. If the partial pressure of nitrogen gas in air above water is 0.76 atm, what is the concentration of dissolved nitrogen?
asked by Anonymous 
chemistry
A sample of air from the basement of a home is found to contain 8.3 ppm of radon. What is the partial pressure of radon in the basement if the total pressure is 755 torr?
asked by Anonymous 
statistics
A survey was conducted to measure the number of hours per week adults spend on home computers. In the survey, the number of hours was normally distributed, with a mean of 8 hours and a standard deviation of 1 hour. A survey participant is randomly
asked by lindsay 
chemistry
How can you separate Ag+, Bi3+, Ni2+ in a solution? I am suppose to make a flow chart... would i use HCL to separate Bi3+ and Ag+ from Ni2+?
asked by Marie 
English
I left out the following sentences. Thank you for your suggestions. 1) The song of the birds and the reaper arouse pleasure and relief. 2) The language of the poem contains references to the language of sight (line 1) and hearing (line 7). The language is
asked by Henry2 
physics
A carton on a ramp that has an angle of 25 degrees. If coefficient of kinetic friction is .12, what is the speed at the bottom of the ramp, knowing that the carton was 9.3m from the base?
asked by Anonymous 
French
Bonjour! I have to find synonyms for the word Fantastique the synonyms should begin with g .... t... b... s... Thanks
asked by Ruth 
Psychology
Sound that impinges on the inner ear and the auditory nerve arrives as a fairly meaningless stimulus. At this point, it should be viewed as: a. perception. b. sensation. c. an auditory stimulus item. d. free of environmental noise. I think it is either a
asked by Kasey 
business strategic management
Discuss in specific terms your understanding of ethical business strategies, corporate social responsibility, and environmental responsibility at Best Buy?
asked by lost 
Maths
In the spring, 80% of the sheep in a flock of sheep had lambs. of those sheep with lambs, 30% had one lamb, 40% had two lambs and the rest had 3 lambs. a total of 240 lambs were born. how many sheep are in the flock? you must show your working.
asked by chloe 
business
what kind of trde barriers does egypt have and what website should i used
asked by kate 
Math College
A 6sided die is rolled 14 times. What is the probability of seeing a "6" at least 2 times? I am sooo clueless please help!
asked by Adrianna 
Psychology
Kara heard the noise, but could not understand what was being said. Perhaps it was simply the humming of the machines that she heard? She was uncertain whether she should move toward or away from the sound. Kara is having difficulty with: a. sensation. b.
asked by Kasey 
Math
Suppose $1.00 amounts to 1.082431 at 8% compounded quarterly. How much does $200 amount to? (a) $ 126.82 (b) $ 101.46 (c) $ 216.49 (d) $ 380.47 (e) $ 250.00
asked by Anonymous 
Math
If the value of $1 is 1.082431 in one year at 8% compounded quarterly, what is the effective interest rate? (a) 82.4% (b) 8% (c) 0.824% (d)8.24% (e) 824.31%
asked by Anonymous 
social studies.
15. What was a result of WWII on women’s rights in the US? A.Women were greatly oppressed and suffered setbacks B.Women lost the vote during wartime C.Opportunities for women increased D. None of the Above I believe its C ? 16. What happened with most of
asked by Maddie 
Math
Alice requires $10,000 in two years. If the interest rate is 6% and compounded quarterly, how much must Alice place in the account to have the required amount? (a) $ 6,274.10 (b) $ 8,877.10 (c)$ 8,573.40 (d) $ 5,000.00 (e) $ 10,000.00
asked by Anonymous 
Physics
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except that one is made of wood (mass=0.34 kg) and the other of metal
asked by Anonymous 
History of America
Why was the Sojourner Truth Housing Project remarkable? a.Only single women were allowed to live there b.It was located in a white neighborhood c.It was the first converted battleship used this way d.Citizenship was granted if residents lasted one year I
asked by Anonymous 
computers
Which of the following operating system types is used in medical equipment or a cash register? (Points: 5) a. multiuser/multitasking b. real time c. singleuser/multi tasking d. single user/single tasking is it A
asked by john 
computer
Which of the following operating system types is used in PDAs? (Points: 5) a.Multiuser/multitasking b.Realtime c.Singleuser/multitasking d.Singleuser/singletasking is it B
asked by john 
History
Representatives met in San Francisco April 25, 1945 to consider: a.Boycotting the Soviet Union b.Demanding reparations from Germany c.Dividing up the Japanese Islands d.Establishing the United Nations Is it D?
asked by Anonymous 
Calculus
The price per unit is given by the equation p=182ln(x). What is the marginal revenue at x=400? And what should the number of units sold be in order to maximize revenue?
asked by Lindsay 
chemistry
A solution is prepared by adding 30.00 g of lactose (milk sugar) to 110.0 g of water at 55 °C. The vapor pressure of pure water at 55 °C is 118.0 torr. The MW of lactose is 342.3 g/mol. What is the partial pressure of water above the solution?
asked by Anonymous 
Calculus
Find the Derivative of the function: f(x)= ln(x^2/2x3)
asked by Lindsay 
chemistry
Refer to the following unbalanced equation: C6H14 + O2 CO2 + H2O What mass of oxygen (O2) is required to react completely with 10.8 g of C6H14
asked by Anonymous 
geometry
One right triangle has legs 18cm and 14cm. Another right trangle has legs 14cm and 24 cm. What is the ratio of the areas of these two triangles?
asked by Sam 
Chemistry
Which one of the following liquids will have the highest freezing point? A. pure H2O B. aqueous glucose (0.050 m) C. aqueous CoI2 (0.030 m) D. aqueous FeCl3 (0.030 m) E. aqueous NaI (0.030 m) Could you please give a step by step process?
asked by Sarah 
chemistry
A 10.0 g cube of each of the following metals is heated to 100 °C and dropped (without loss of heat during transfer) into separate but identical beakers containing 100 mL of water at 25 °C. The temperature of the water in the beaker is measured at
asked by Sarah 
English
How many homophones can you make with Halloween?
asked by Noah 
government
In what ways does the U.S. Constitution provide for protection of the people? What examples are there of when the government either protected or has failed to protect the people?
asked by Harriet 
statistics
a public health investigator wishes to determine whether a new antismoking film actually reduces the daily consumption of cigarette by heavy smokers. The mean daily cigarette consumption is calculated consumption for each of eight heavy smokers during the
asked by Anonymous 
Chemistry
What is the molecular weight of 30% aqueous nitric acid?
asked by Sandra 
Chemistry
A sealed flask containing water and N2 gas in equilibrium is at a temperature of 25°C. If the concentration of N2 gas in the solution is 1.4 x 103 M, what is the partial pressure of N2 gas in the container? (kH for N2 gas in water is 6.1 x 104 M/atm at
asked by Sarah 
Grammar
Select the sentence with the correct capitalization. A) The patient, who claimed to be an "exChristian" cried out, "praise God," once the pain medication kicked in. B) The patient, who claimed to be an "ExChristian" cried out, "Praise God," once the pain
asked by Cindy 
Physics
When a quarter, a nickel, a penny, and a dime are flipped; what are each of their revolutions per minute?
asked by Jeremy 
algebra
TRASLATE THE FOLLOWING SENTENCE INTO AN EQUATION. dO NOT SOLVE TEN MORE THAN THREE TIMES A NUMBER IS 130.
asked by Angela 
History of America
How did America’s Involvement change after the fall of France and the air war against Britain? Congress declared war on Germany There was no formal change of policy American advisors trained the resistance The President admitted “disappointment” 19.
asked by Anonymous 
Math
Given: f(x) = 4sin((x/2)(pi/2))3, Find the range and domain
asked by Ryan 
Physics
A quarterback throws a football toward a receiver with an initial speed of 18 m/s, at an angle of 29 degrees above the horizontal. At that instant, the receiver is 19 m from the quarterback. With what constant speed should the receiver run in order to
asked by Gaby 
geography
I am stuck on symbols,what does CH,dotted red lines,a grey patch,a green patch,two lines crossed over each other,NT with a shape around it written in red, LB Sta, something that looks like veins,a stylish m written in red and a nearly diagonal line stand
asked by Anonymous 
physicspls help
The ball is thrown froma height of 10 meters with an initial upward velocity of 3.0m/s. How long does it take to land on the ground? What is its maximum height? i know the formula is d=v1t+1/2at^2 but i do not know what else to do. pls help
asked by ted 2 
English
Could you please check this sentence? Is "of hearing" wrong? Thank you. 1) The language contains references to the senses of sight and sound (or of hearing?)
asked by Henry2 
English
I forgot to include the following sentence. I corrected it but I still have a doubt. 1) The poet says that the girl's song is more welcome than any chant of the nightingale to weary travelers in the desert, and that the cuckoobird has never sung with such
asked by Henry2 
Math
In Mrs Halls class of 30 students, 17 have computers at home and 20 have cassettes. If 4 students in the class have neither a computer or a cassette, how many of the 30 students have both?
asked by Tom 
statistics
A group of six students all have different grades in statistics. The median mark in the group is 68. If two of the six students are selected at random, what is the probability that both have marks greater than 68?
asked by Kendra 
Physics
Hello, I posted this a bit ago, but am not sure the suggested solution was correct. Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all
asked by Anonymous 
Bio
As the number of chromosome pairs increase what happens to the number of possible gametes?
asked by Anonymous 
chemistry
radium266 may emit a photon of light with a frequency of 4.5x 10^19 s^1 when it undergoes nuclear fission. what is the wavelength in pm of this photon?
asked by jj 
physics
a 40kg girl climbs a vertical ladder at .5 m/s. what is her power output?
asked by jill 
math
if the arithmetic mean of 2 positive numbers (a and b) is 16 and their geometric mean is 12, find the exact value of a^3+b^3.
asked by Cody 
chemistry
A reaction produced 55.7 mL of nitrogen gas, which was collected over water at 23oC. The measured barometric pressure was 742 torr. If the vapor pressure of water at 23oC is 21 torr, what was the mole fraction of N2 in the collected gas?
asked by Sarah 
chemistry
what is the binding energy of an electron in a photosensitive metal (in kj/mol) if the minimum frequency of light that can eject electrons from the metal is 6.3 x 20^14 Hz?
asked by jj 
eth
A description of the differences how each theory addresses ethics and morality. they are virture theory, ultilitariianism, deontological ethics.
asked by at 
Calculus
Find an equation of the tangent line to the curve at the given point. y = sin(sin x), (pi, 0)
asked by Nyke 
math
A student takes in 2300 calories and Burns 2500 calories.find the net calories
asked by Anonymous 
algebra
write a true sentence using either < or> 7.82 7.802
asked by Angela 
curriculum development project
I need someone to help me with a thematic web on Me and my Family
asked by Maryann 
VETERANS DAY
I have to write a papre about Veteran's Day and what it means to me. I have some stuff about it but I need more. Can anyone please help me???
asked by ANA 
Calculus
Suppose f(pi/3) = 3 and f '(pi/3) = −7, and let g(x) = f(x) sin x and h(x) = (cos x)/f(x). Find the following. a. g'(pi/3) b. h'(pi/3)
asked by Christina 
algebra
perform the indicated operation and if possible,simplify please show all of your work. write your answer in lowest terms. 18/35 divided by 22/25
asked by Angela 
math
Mia is approaching her goal of 119 points for the video game. She wants to put her initials on the computerized list of Top Ten Point Scorers forr the game, She moves Freddie the frog all over the terminal screen and at last she does it. Freddie the Frog
asked by risa 
Geometry
How do you find the perimeter of the rectangle? L = 10.6 in and h = 6.1 in Can someone please explain this to me? Thank you kindly.
asked by Mindy 
Spanish
Please checkI have to rewrite with an indirect object pronoun 1. Escribo una carta a mi abuela. Le escribo una carta a mi abuela. 2.Mando una tarjeta postal a mis amigos. Les mando una tarjeta postal a mi amigos.
asked by Ben. 
physics
does F=ma predict the acceleration of the system accurately?
asked by kim 
any
How might factors such as diversity, attitude, learning, and work styles affect collaboration?
asked by Anonymous 
English
I'm including part of the poem for you to check. "No Nightingale did ever chaunt more welcome notes to weary bands Of travellers in some shady haunt, Among Arabian sands: a voice so thrilling ne'er was heard In springtime from the Cuckoobird ....." 1)
asked by Henry2 
Spanish
I had to write sentencesabout an ache in a certain body part with indirect pronoun . There were pictures provided and the first part of the sentence like "A mi amigo" and we had to fill in the restCould you check, please 1. pain in head A nosotros les
asked by Ben. 
chem
calculate the wavelength of the green line in the visible spectrum of excited H atoms using Bohr Theory
asked by kris 
Math Garde 3
Writing to explain if you know that 4x5=20, how can you use the commutative property to find 5x4
asked by Hong 
geography
Will you please check my answers? 1.What states border Lake Michigan? Wisconsin, Illinois, Indiana, and Michigan 2. How many states are on the 60 degrees N line of latitude? Just one state ( Alaska ) 3. What do the following countries have in common: Chad,
asked by Reed 
human services
I can not find the answer to this question;Does the Association of Social Work Board offer qualified referrals or suggest community based programs which may benefit your client base. could you please help me find a site that may have the information that I
asked by Patiance 
6th grade math
Put these numbers in order from least to greatest. 2 7/10, 2.07, 127%
asked by Kate 
Geometry
9dd/5=88 c/2+11c=92 How do i solve for the variables d and c?
asked by Lilly 
chemistry
Write the formula unit, total ionic, and net ionic equation for the precipitation reaction in a beaker after Al(ClO4)3, Rb2S, and CsI salts are added. Please help!
asked by Emily 
algebra
COMBINE LIKE TERMS 14(5x)+ 2z(32)+4z2x
asked by Angela 
algebra
1/2*3/5*(2/7)
asked by Angela 
human resources
Having ambigous training and development goals?
asked by marvin 
chemistry
Calculate the enthalpy of reaction for the following: N2 + 3H2 > 2NH3 they are all gases. Is this reaction endothermic or exothermic?
asked by Chioma 
Math
For the given problem simplify the expression. 1. 4d  5  9d + 17 2.8p  12 + 7p  11 3. 27  13t + 32  2t + 10t
asked by Alejandro 
CHEM AP please help!!
Why does the octet rule not hold for many compounds containing elements in the third row of the periodic table and beyond? (Select all that apply.) 1. Atoms of elements in the third period are less subject to destabilization from additional
asked by kali maa 
Geometry
find the perimeter of the square. L = 6.66 yd Is the answer 26 yd?
asked by Mindy 
statistics
47 65 42 47 16 36 54 17 21 58 16 31 32 13 22 The following list contains P/E ratios (price of stock divided by projected earnings per share) for health care companies. Find th and th percentiles for these ratios.
asked by Anonymous 
Please Help!!!!!!
Solve the Trigonometric equation for all solutions between [0,360)degrees. Sinx + 1 = 2.6635 Please, Please, Please Help Me!!!!!!!!!!
asked by Misty 
Spanish/History
My teacher told us to bring in a current event of a spanish speaking country so does haiti count cuz its a latin american country.?
asked by Page 
Superglue fumingfingerprints
What is an amino acid? Why do they cause superglue to stick to my fingerprints on a cd when I place the cd in a plastic box covered with plastic wrap? I'm 9, so I really need just a simple answer. Thanks.
asked by Matthew 
General chemistry
How much energy is released by the combustion of 1.00 mol of octane, C8H18?
asked by Caitlin 
physics
A soft synthetic rubber ball of radius 9 cm is submerged to 7.5 m beneath the surface of a lake. a) If the bulk modulus of the rubber compound is Brubber = 9 x106Pa , what is the diameter of the ball at that depth? (b) A similar ball of equal radius, but
asked by mc 
English
Thank you. When presenting the flowers in Wordsworth's poem "Daffodils" I should therefore use the simple present: The flowers lie/are set beside the lake, beneath the trees. (and not "lay")
asked by Henry2 
Math
Light travels about 1 mile in 0.000005. If a spacecraft could travel at this speed,it would travel almost 0.000001 miles in 5 seconds. About how far would this spacecraft travel in 50 seconds?
asked by Vanessa 
6th grade spelling
Here are the words you have to choose from: energy; construct; prediction; include; allegiance; acquaintance; disagreement; stereos; legend; voluntary; revision; igloos; conclude; kangaroo; zeros; argument; summary; decision; alligator; allowance. Here are
asked by Mickey 
Math, Please Help!!!
Solve the Trigonometric equation for all solutions between [0,360)degrees. 2Sinx + 1 = 2.6635. Solve for x. does x equal 56.28degrees and 123.72degrees?
asked by Misty 
Geometry for Ms Sue?
Referring to my last question.. Does 26.64 yd mean 26 2/3?
asked by Mindy 
Science
The list of words is: Nucleus, Mitochondria, Vacoule, Cell Wall. Which does not belong and why?
asked by Anonymous 
science
A disk and a ring, both of mass and radius, are placed at the bottom of an incline and allowed to roll down. Give an expression for the kinetic energy of the disk at the bottom of the incline in terms of mass, radius and translational velocity. how does
asked by Dave 
economics
Suppose that bicycles are produced by a perfectly competitive, constant cost industry. Which of the following will have a larger effect on the longrun price of bicycles: (1) a government program to advertise the health benefits of bicycling, or (2) a
asked by Erika 
math
The Lappans buy three large sandwich wraps to serve at a picnic. Nine people in all will be at the picnic. Show three different ways to cut the sandwiches so that each person gets an equal share.
asked by zineddine kassou 
Physics
1000 N man walks across an 8 meter plank that is suspended from two ropes(one on each side of the plank) that can only support 400N where will the man be when the plank breaks?
asked by Catherine 
Geometry
To find the perimeter of the triangle do I add all the sides together? L1 = 12.5in, L2 = 10.6 in, and L3 = 9.5 in Is the answer 32.6?
asked by Mindy 
Economics
The longrun supply curve for a good is a horizontal line at a price $3 per unit of the good. The demand curve for the good is QD = 502P. (a) What is the equilibrium output of the good? (b) A $1 excise tax is imposed on the good. What will be the longrun
asked by Byron 
calculus  please help!
If two resistors R1 and R2 are connected in parallel, then the total resistance R measured in ohms is given by 1/R=1/R1+1/R2 If the resistance of R1 and R2 are increasing at 330 and 660 ohms per second respectively, then the rate of increase of R when
asked by archi 
Physics
A 255 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.870, and the log has an
asked by Milica Bobic 
Economics
The longrun supply curve for a good is a horizontal line at a price $3 per unit of the good. The demand curve for the good is QD = 502P. (a) What is the equilibrium output of the good? (b) A $1 excise tax is imposed on the good. What will be the longrun
asked by Byron 
Chemistry
Can you help me arrange P,Mg,N,Br,K in order of incrasing metallic character. Thank you.
asked by Anonymous 
ELA
Sort each spelling word by determining if it follows the V/CV pattern or the VC/V pattern. Write each spelling word in the correct column. Does the word tyrant go in the V/CV patternlong or the VC/V patternshort? V/CV PATTERN MEANS LONG AND VC?V PATTERN
asked by JASON 
Art
after u guys check the site and you reply the post about what I ask for also what title should I think of for my piece since Im drawing a japanese person for the pta reflection contest this I cant think of any
asked by Laruen 
Physics
Problem 17.8 Light from a sodium lamp (wavelenght = 589) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits is 4.0 mm . Part A  What is the spacing (in mm ) between the two slits? Express your answer using two significant
asked by Paige 
Physics
Problem 17.8 Light from a sodium lamp (wavelenght = 589) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits is 4.0 mm . Part A  What is the spacing (in mm ) between the two slits? Express your answer using two significant
asked by Paige 
Calculus (Derivatives)
Using the product rule, find the derivative of the following function: (x^1/2 cscx sinx).
asked by Mishaka 
Physics
Problem 17.8 Light from a sodium lamp (wavelenght = 589) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits is 4.0 mm . Part A  What is the spacing (in mm ) between the two slits? Express your answer using two significant
asked by Paige 
Geometry
Find the circumference of the circle (use 3.14) D=5.95yd Is the answer 18.683 yd?
asked by Mindy 
physics
A 0.4 kg mass attached to a spring is pulled back horizontally across a table so that the potential energy of the system is increased from zero to 200 J. Ignoring friction, what is the kinetic energy of the system after the mass is released and has moved
asked by Anonymous 
Pre Algebra
Solve 3(2w1) = 5w  19. Please show all of your work.
asked by Kameesha 
literacy
What do you call a person that tills the soil? I need a 6 letter word with the 3rd letter being a r.
asked by alexia 
Geometry
What is the area of a parallelogram containing two 60 degree angles and parallel sides that measure 20 ft and 14 ft?
asked by Anonymous 
Mathematics
Mary's age is 2/3 that of Peter's. Two years ago Mary's age was 1/2 of what Peter's age will be in 5 years time. How old is Peter now? Explain your workings
asked by Michael 
enlish/grammar
I was wondering if these sentences are labeled right with either predicate noun or predicate adjective? Their presence was necessary in the far north country in the early days. preicate noun Now they are famous throughout the world. predicate noun They are
asked by tyler 
physics
A 220kg crate rests on a surface that is inclined above the horizontal at an angle of 19.4°. A horizontal force (magnitude = 525 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the
asked by Nick 
enlish/grammar
Here are a few more of the predicate adjective or predicate noun sentences I need help with to see if I used the right one. Wildflowers look lovely on the hillsides. PA Mounties on horesback are a common sight. PN The Royal Canadian Mounted Police's
asked by tyler 
geometry
b is between a and c, d is between b and c, and c is between b and e. AE= 28,BC=10, and AB=BD=DC. what is the length of segment ce?
asked by grumpy 
english
at school i am reaing the kite runner as the class novel. i have one comprehension question im notsure how to answer. can somebody help me. the question is: the novel begins with a flashback. what do you think is its purpose? what do you learn about the
asked by lalala 
calculus  please help!
Water is leaking out of an inverted conical tank at a rate of 13200 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 9 meters and the diameter at the top is 7 meters. If the water
asked by archi 
Algebra
Use Cramer's Rule to solve each system of equations. a+b+5c=2 3a+b+2c=3 4a+2bc=3
asked by Michael 
kite runner
can someone help me answer in point form for these questions 1) describe Hassan physically? what is a cleft lip? 2) describe him by his relationship with amir? 3) what was his first word? why is that important? 4) how did he come into amir's life?
asked by lalala 
human resources
9) Having ambiguous training and development goals: A) is best when designing a training or development program, since many people can be stifled by following a stiff organizational procedure. B) is best when designing a training or development program,
asked by marvin 
Physics
Radio waves travel at the speed of light, which is 3.00 108 m/s. What is the wavelength for a FM station broadcasting at 105.9 MHz (the prefix M is "mega" and means 106)?
asked by Richard 
Physics
How long is a wavelength of infrasound with a frequency of 4 Hz?
asked by Richard 
chemistry
A student placed 10 g of Mg(OH)2 into a flask and added 500ml of water. The student took 100 ml of the Mg(OH)2 solution and reacted with HCl(aq). If 13.75 ml of 0.010M HCL reacted with the OH(aq), was was the concentration of hydroxide ion in the 100 ml
asked by Anne 
Math
Stacy requires $3,000 in three years to make a down payment on a new car. She will receive 8% compounded annually for the three years. How much must she invest today to have the $ 3,000 in three years? (a) $ 2,381.49 (b) $ 2,419.35 (c) $ 2,000.00 (d) $
asked by Anonymous 
Trig
Im having serious issues with verifying Trig. identities. Please help! Here is an example: (tanXsecX)^2= 1sinX/1+sinX
asked by Rachel 
Physics
What is the fundamental frequency for a 62 cm banjo string if the speed of waves on the string is 470 m/s?
asked by Richard 
geometry
x is less than y and 20 less than z. write a system of equations and find the measures of the three angles
asked by davonte 
physics
does F=ma predict the acceleration of the system accurately?
asked by kim 
math
what are twin primes?
asked by smileyface 
arithmetic
Find 4 arithmetic means between root(5) and 12 root (5)
asked by Anonymous 
Math
Jill said that an angle is made of two rays. Is she correct? Explain.
asked by Dyna 
math
how about (7,9)
asked by smileyface 
6th grade math
which is bigger? 17/19 0r 0.85
asked by Kate 
physics
A 4.85kg block is placed on top of a 12.0kg block that rests on a frictionless table. The coefficient of static friction between the two blocks is 0.645. What is the maximum horizontal force that can be applied before the 4.85kg block begins to slip
asked by zach 
physics
i need help i don't understand how to do this problem so please help me. A student lifts a 5kg chair 0.8m off the floor, walks at a constant speed for a distance 10m, and then puts the chair back down on the floor. calculate the total amount of work done
asked by pinky 
chemistry
A mole of 1 gallon cans of paint could cover every square inch of the surface of how many planets the size of the earth?
asked by Rose 
human service
Locate three professional business groups that are reputable in your chosen field (example: social work field has the National Association of Social Workers, Clinical Social Work Association, Association of Social Work Board). State whether or not they
asked by Patiance 
calculus
fourth degree polynomial p(x) whose graph is symmetric about the yaxis, and which has a yintercept of 10, and global maxima at (1,13) and (1, 13).
asked by jay 
Chemistry
5.00g of an unknown solid was heated to 99.7 degrees C and placed in a calorimeter with 1.25L H20. The initial temp of the water was 25.0 degrees C. During the experiment, the temperature of the water rose to 63.5 degrees C. what is the specific heat of
asked by Samantha 
Math
Eugene has three times as many angelfish as clownfish in his aquarium. If he has a total of 48 fish, how many are angelfish? a) 36 b) 32 c) 16 d) 12
asked by Mia 
fraction 101 math
camp big trees has 3 red canoes and 4 blue canoes. what fraction of the conoes are red ?
asked by megan 
fraction 101 math
camp big trees has 3 red canoes and 4 blue canoes. what fraction of the conoes are red ?
asked by megan 
geometry
A wire 10 meters ong is to be cut into two pieces. One piece wil be shaped as a square, and the other piece will be shaped as a circle. (piece one is 4x, piece two is 104x) a)Express the total area A enclosed by the pieces of wire as a function of the
asked by chris 
chemistry
Fe3+ (aq), Ca2+ (aq) and Ba2+ are all present in the same solution. Fully describe a procedure whereby you could separate these ions from one another
asked by Kali 
Math
A bakery sold twice as many cookies in March as in April.Their total sales for the two months were 564 cookies.How many cookies were sold in April? a) 376 b) 282 c) 234 d) 188
asked by Mary 
Chemistry
A chemical reaction takes place in a container of crosssectional area 100 cm2. As a result of the reaction, a piston is pushed out through 19 cm against an external pressure of 630 torr. What is the value for w for this reaction? (Sign does matter.)
asked by Broy 
History of America
This is due tonight! Please help! 18.How did America’s Involvement change after the fall of France and the air war against Britain? Congress declared war on Germany There was no formal change of policy American advisors trained the resistance The
asked by Anonymous 
kite runner
What does it mean to be Hazara, Shi'a muslim, afghanistan's majority group? Who, in the story thus far, is hazara? the sparknotes not really working out for me
asked by lalala 
math
Mike has made a rectangle using 48 square tiles. If he adds the length and width of his rectangle together he gets a prime number. What is the length and width of the rectangle?
asked by Ryan 
Pre Algebra
Solve x  5/9
asked by Kameesha 
physics
Water is lifted out of a well 38.0m deep by a motor rated at 1.00hp. assuming70% efficiency, how many kilograms of water can be lifted in 1 min?
asked by bec 
bio
How do we determine that prophase is the longest stage of mitosis?
asked by Nicole 
physics
a boy stands on a cliff overlooking a lake below. He throws a rock at an initial velocity of 8.0m/s,at an angle 25 degrees above the horizontal. The lake's surface is 4.5 m lower than the point the rock was released. Find the speed of the rock just before
asked by bec 
Web Development @ CSS
Write some text in a paragraph and then using css capitalize the first letter in every word in the paragraph.
asked by Mike Moskvich 
physics
a child on a beach kicks a beach ball, giving it an initial velocity of 4.0m/s.It was sitting on the ground when given the kick. The ball lands on the beach 5.0 m away with a speed of 2.2 m/s just before it hits. the final landing place is at the same
asked by bec 
physics
A child on a beach kicks a beach ball, giving it an initial velocity of 4.0 m/s. It was sitting on the ground when given the kick. The ball lands on the beach 5m away and closer to the ocean, with a speed of 1.6m/s just before it hits. the final landing
asked by bec 
physics
A 0.060kg handball is thrown straight toward a wall with a speed of 9 m/s. It rebounds straight backward at a speed of 6.7 m/s (a) What impulse is exerted on the wall? magnitude 0.942 kg·m/s (b) If the ball is in contact with the wall for 3.0 ms, what
asked by Amanda 
chemistry
Calculate the morality of the solution 0.450 mol of Na2S in 1.75 L of solution
asked by Betty 
social studies
List three states that don't have ports on the atlantic ocean
asked by charles 
7th grade science
what are two ways a population may increase in number? what is the main way? Please help!!! Thank you!!!
asked by saranghae12 
Spanish
Please checkI have to rewrite with an indirect object pronoun 1. Escribo una carta a mi abuela. Rewritten as :Le escribo una carta a mi abuela. 2.Mando una tarjeta postal a mis amigos. Rewritten as:Les mando una tarjeta postal a mi amigos.
asked by Ben. 
physics
A weight (with a mass of 71 kg) is suspended from a point near the righthand end of a uniform boom with a mass of 51 kg . To support the uniform boom a cable runs from this same point to a wall (the lefthand vertical coordinate y=7 x=6) and by a pivot on
asked by PHYSICS HELP!!!! 
trig
What is inverse cot of negative radical 3/3
asked by damian 
Science
what are the common SI unit for volume?
asked by Laruen 
Chemistry
How many milliliters of a 1.95 M LiCl solution contain 18.2g of LiCl?
asked by Rebecca 
Spanish
A mi profesor le duele la garganta. If someone has a pain in the throat would this be how I would write it with indirect pronoun?? Also If there was a pain in the mouth and you went to dentist could I say: A ti te duele los dientes or would I say A ti te
asked by Ben. 
math
How can estimating help you add twodigit numbers?
asked by nick 
Hitler Comes to Power
What did Prime Minister Mackenzie King think of Hitler? I believe King thought that Hitler was a good guy, and that he didn't have bad intentions. Anything else?
asked by Anonymous 
math  earn interest
invest money that pays 6.3% interest/year compounded quarterly. How long should invest if want to double initial investment?
asked by BJ 
physics
Determine the normal force for a laundry basket with a mass of 4.3 kg in each of the following situations
asked by kkll 
St. Louis
Can someone please simplify this for me, just need a simple definition for St. Louis, ocean liner. Over 900 Jewish refugees on board, was refused permission to dock when it appeared off the east coast of Canada. The ship was forced to return to Europe,
asked by Anonymous 
algebra
50,000 is the amount of a loan needed to purchase a restaurant location. After researching to find the best interest rate, you find that banks for small business offer the best interest rate at 9% compounded monthly for 7 years. After making a monthly
asked by Missy 
7th grade science
what are two ways a population may decrease in number? Explain the difference between direct and indirect observation in regard to determining population size. Please help!!! Thank you!!
asked by saranghae12 
calculus
Why do we end up with f(x) instead of f(t) on the second fundamental theorem of calculus?
asked by Jose 
physics
In a car crash, a 44 kilogram passenger moving at 15 meters per second is brought to rest by an air bag during a 0.10 second time interval. What is the magnitude of the average force exerted on the passenger during this time?
asked by Nashaly 
physics
Two blocks with masses m1 = 10.9 kg and m2 = 79.3 kg, shown in the figure, are free to move. The coefficent of static friction between the blocks is 0.66 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against
asked by lisa 
english
how do you explain kayy perry's metaphor: " do you ever feel alreay buried deep?" in her song fireworks.
asked by lalala 
Algebra
Flying with wind, a plane flew 800 miles in 5 hrs. Flying against the wind, the plane flew the same distance in 8 hrs. Find the still air speed and wind speed.
asked by Christian 
Calculus
Find an equation of the tangent line to the curve at the given point. y = 6e^x cos x, (0, 6)
asked by Kris 
math
What is the number? It has seven digits. The value of one of its digits is 600. Two of the digits in the thousands period are 7's and the third one of them has a value of 3 x 10,000. The digit withe greatest place value in the number is between four and
asked by shawnna 
chemistry
How many grams of NaOH (MW = 40.0) are there in 100.0 mL of a 0.275 M NaOH solution?
asked by mary 
Math
At what time do the hands of a clock form an acute angle?
asked by Khrys 
english
1. verb tense 2. main verb past tense form 3 regular or irregular I will wash those dirty dishes.
asked by stephanie 
physics
A uniform 7.1 m tall aluminum ladder is leaning against a frictionless vertical wall. The ladder has a weight of 272 N. The ladder slips when it makes a 57.0degrees angle with the horizontal floor. Determine the coefficient of static friction between the
asked by PHYSICS HELP!!!! 
math
the same cereal costs $3.99 per box at one store, $3.25 at another store and $3.59 per box at the third store what is the average price per box of cereal? solve using an algebra form. I know how to get the answer but what algebreic form would i use?
asked by jill 
MATH HELP!
find all possible values of the common ratio of the geometric sequence a, b, 6, ... if a+b=1
asked by Katie 
calculus
this is the last problem on my homework and I JUST CANT GET THE RIGHT ANSWER!! Help. :/ limit as x > infinity of: (1(3/x))^2x
asked by Max 
chemistry
Here we go: when the following nuclear reaction is completed, the missing element will be: ___+ 4^He > 2 v0 1^n+ 244^Cf Okay, so im given the choices of 242^Cm, 242^Am, 240^Es or 242^Bk.... I already determined that it's not 240 Es (or at least i think
asked by Anonymous 
Math
Suppose 8 out of every 20 students are absent from school less than five days a year. Predict how many students would be absent from school less than five days a year out of 40,000 students.
asked by John 
statistics
select a scale for the data on average highs if the lowest tempreture is 72 and the highest is 88: (A)70 to 90 (B) 69 to 90) (C) 60 to 100 (D) 60 to 80 ?
asked by Anonymous 
Hitler Comes to Power
King thought that Hitler was sincere, and genuine. King was impressed by Hitler, he enjoyed talking with him, and he seemed like a gentleman, king thought that Hitler was a good role model for his country, and men. He found Hitler to be just like him. Ms.
asked by Anonymous 
Finance
Bond value and timeConstant required returns Pecos Manufacturing has just issued a 15year, 12% coupon interest rate, $1,000par bond that pays interest annually. The required return is currently 14%, and the company is certain it will remain at 14%
asked by Mary 
Calculus
Find the rectangle of largest area that can be inscribed in a semicircle of radius R, assuming that one side of the rectangle lies on the diameter of the semicircle. NOTE: Let L denote the length of the side that lies on the diameter and H denote the
asked by John 
math
tom family had three daughters and their ages added up to 11..the product is 24 how old are the children
asked by beth 
trig
find all the values of x that satisfy the equation: 2sin^2(x) + 1 = 3sin(x).
asked by lisa 
L.A.
in an essay compare and contrast the childhood episodes of the authors of "no gumption" and "barrio boy."
asked by Alecia 
MATH
Find the value of A + B if the A is the first term and B is the common difference of the sequence whose 4th term is 3 and 20th term is 35
asked by Katie 
chem 1
a NaOh solution has a concentration of about 0.11M.How many grams of KHP would have to be used to require NaOH solution to reach the endpoint
asked by karen 
chemistry
Balance the following redox reaction using the half reaction method: NaIO3+KI==> I2+H20+Na(+1)+K(+1)
asked by steve 
Science
Calulate the force needed to accelerate a 2,300 kg mass at 5.5m/s/s acceleration.
asked by Brenda 
math
illustraded 1.2 multiplied by 1.4
asked by adolfo 
geometry
line CD is a median of angle ABC and M is the centroid, If CM = 14 what is CD
asked by jordan 
Math C30
In steps how do you go from: y = 25cos pi/200x + 30 to get the answer 44.695
asked by Don 
calculus
antiderivative f''=3x+5sin(x) f(0)=4 f'(0)=4 Find f(x) I got (1/2)x^35sin(x)+(15/2)x+(7/2), but it was wrong
asked by Anonymous 
algebra  half lives
Halflife of tritium is 12.32 years. Write decay equation as N(t) = N(subzero)e^(rt) where t is the time in days, N(subzero) is the starting amt of tritium and N(t) is amt of tritium at time t. don't know how to find r.
asked by Tritium 
business communication
Which of the following is not a good guideline to follow when writing to international audiences? a. write in the reader's language if you have any knowledge of the language at all; doing so greatly increases goodwill, even if you make mistakes. b. Be
asked by pat 
Chemistry
(Qualitative Analysis) I know this is vague, but if i had a solution of unknown cations that appear light purple, what could be the possible list of cations in the solution? I thought Mn, Ag, Cu after doing my own tests, but i am uncertain. Just on a
asked by Kevin 
GEOMETRY
LINE CD IS MEDIAN OF TRIANGLE ABC AND M IS THE CENTROID.MMIF CM = 14 WHAT IS CD
asked by jordan 
Math
in a 30degree60degree right triangle, the length of the side opposite the 60 degree angle is 8.3m. How long is the hypotenuse?.
asked by Mindy 
Introduction to Psychology
Sound that impinges on the inner ear and the auditory nerve arrives as a fairly meaningless stimulus. At this point, it should be viewed as: a. perception. b. sensation. c. an auditory stimulus item. d. free of environmental noise. I think it is either a,
asked by Anonymous 
chemistry
the energy required to break one mole of chlorine chlorine bonds in Cl2 is 242 kj/mol. what is the longest wavelength of light capable of breaking a single ClCl bond?
asked by adly 
Introduction to Psychology
Kara heard the noise, but could not understand what was being said. Perhaps it was simply the humming of the machines that she heard? She was uncertain whether she should move toward or away from the sound. Kara is having difficulty with: a. sensation. b.
asked by Anonymous 
Pre Algebra
I have work problem that I am unable to solve. Each hour Maggie baby sits she charges $2 plus .75 for each child. Write an equation for Maggie's hourly rate h in terms of the number of children c. Solve the equation to find the hourly rate when Maggie baby
asked by Jared 
physics101
A uniform 7.1 m tall aluminum ladder is leaning against a frictionless vertical wall. The ladder has a weight of 272 N. The ladder slips when it makes a 57.0degrees angle with the horizontal floor. Determine the coefficient of static friction between the
asked by physics 
Math C30
What's next? Solve: cosx(tanx + sqroot3)  sqroot3/2(tanxsqroot3) Provide exact answers .. help
asked by Don 
Science
Who else might buy oileating bacteria besides oil spill cleanup companies?
asked by Jan 
chemistry
determine the end (final) value of n in a hydrogen atom transition, if the electron starts in n=2 and absorbs a photon of light with a frequency of 4.57 x 10^14 Hz.
asked by adly 
Calculus
Please help me with the following 2 questions. 1. Find the area of the curved surface of a rightcircular cone of radius 6 and height 4 by rotating the straight line segment from (0,0) to (6,4) about the yaxis. 2. Use the Maclaurin polynomial of degree 4
asked by Sara 
Chemistry
Calculate the solubility of AgCl in the following solution: 100mL of .004 M CaCl2
asked by Kevin 
trig
whats 21° 44' 3" as a decimal to the nearest thousandth of a degree
asked by trey 
spanish
I have to translate this to indirect style is this correct? Original:Pero cien años después, las personas negras todavía no son libres. Cien años después, la vida de las personas negras sigue todavía tristemente atenazada por los grilletes de la
asked by Dan 
calculus
. A project management consultant estimated that if a particular project was completed, that t years after its date of completion, P thousand persons would be direct beneficiaries of the project, where P (t) = t3/3  5t2 +20t, 0
asked by Jade 
maths for social science
. A project management consultant estimated that if a particular project was completed, that t years after its date of completion, P thousand persons would be direct beneficiaries of the project, where P (t) = t3/3  5t2 +20t, 0
asked by Jade 
algebra
A perfect minor wholetone is a frequency rtio of 10:9. A perfect major wholetone is a frequency ratio of 9:8. Are these noticeably different from an equal temper wholetone? (200 cents)
asked by Math musician 
math
construct a rectangle wxyz with wx =6 cm and wy =10 cm with steps
asked by mansi 
math
construct a rectangle wxyz with wx =6 cm and wy =10 cm with steps
asked by mansi 
math
local store going out of business. Owner decreases all prices by 5% every day until all items are sold. Customer wants dress priced at $2500. How long does she have to wait for repeated discounts to reduce price of dress to less than $700?
asked by fashionista 
MATH
X4=300 HOW DO I FIND THE REAL NUMBER FOR X
asked by angela