Questions Asked on
June 15, 2011

physics
Two forces, of magnitudes F1= 80.0N and F2= 50.0N, act in opposite directions on a block, which sits atop a frictionless surface, as shown in the figure. Initially, the center of the block is at position x1= 3.00cm. At some later time, the block has moved
asked by physics please show steps 
uniten
3. At t = 0 , a particle leaves the origin with a velocity of 9.0 m/s in the positive y direction and moves in the xy plane with constant accelaration of ( 2.0i  4.0j ) m/s2 . At the instant the x coordinate of the particle is 15 m , what is the speed of
asked by ameer 
Algebra
A can of soda is placed inside a cooler. As the soda cools, its temperature T(x) in degrees Celsius is given by the following exponential function, where is the number of minutes since the can was placed in the cooler. T(x)=22+44e^0.03x Find the initial
asked by Jessica 
psychology
My instructor assign me of one the "senses." This the one my instructor had assign to me= “The Skin Senses”: Which includes Touch, Pressure, Temperature, and Pain. The instruction is to (Briefly describe how The Skin Senses work and its importance.
asked by Sharon 
Chemistry
In 6.20 h a 100 g sample of ag 112 decays to 25 grams. what is the half life of ag 112. I think the answer is 3.10 but I'm not sure. Thanks in advance =)
asked by Jackie 
Physics
The speed of a point on a rotating turntable, which is 0.172 m from the center, changes at a constant rate from rest to 0.531 m/s in 2.19 s. At t1 = 1.9 s, find the magnitude of the tangential acceleration. Answer in units of m/s2.
asked by JRD 
Physics
A 3.00liter aluminum cylinder at 5.00°C is filled to the brim with gasoline at the same temperature. If the aluminum and gasoline are warmed to 52.0°C, how much gasoline spills out? [Hint: Be sure to account for the expansion of the container. Also,
asked by Justin 
HRManagement
Debbie, an administrative assistant, likes to stay at her desk until seven or so each workday evening, writing letters on her PC to her best friend. This is especially true when her boss also works late. What is this an example of? A) Impression management
asked by POORMAN 
Human Resources Management
. An assessment technique that is graphic in nature and that uses examples of behavior representing particular levels of performance to anchor the scale is called a A) criticalincident technique. B) behavioral observation scale (BOS). C) weighted
asked by POORMAN 
Biology
Biology question about molecules? I need to arrange the following in terms of smallest to largest representative size... triglyceride, disaccharide, carbon atom, protein, carboxylic acid please help! thank you!!
asked by Curlyqty 
Math
A rectangular garden is to be fenced off and divided into 3 equal regions by fencing parallel to one side of the garden. 200 feet of fencing is used. find the dimensions of the garden that maximizes the total area enclosed. what is the maximum area?
asked by Usman 
Geometry
The area of a square is 121 sq feet. What is the length of its sides? Would I find this by dividing 121 by 4?
asked by Phillip 
math
If the store purchases an item at a wholesale cost of $3.50 per item, and it is sold at a retail value of $5.00 per item. What is the gross profit percentage of the item? (formula: gross profit percentage = [(retail  cost) divided by retail] X 100 )
asked by jimmy 
maths
in a class 1/3 of students play cricket 1/8 play volleyball, 1/6 play tennis and the rest don't play any games. what fraction of the students doesn't play any games?
asked by mukesh 
grammar
4.The patient is a 42yearold male with a history of left shoulder osteomyelitis with resistant pseudomonas from an injury he sustained approximately 20 years ago. pls help me with all the prepositions & conjuctions in the above sentence.
asked by nicole 
grammar
3.She is tender to percussion and palpation over the right lower quadrant. over is the preposition, is to also a preposition in this sentence
asked by melody 
grammar
2. The patient was brought to the operating room, general endotracheal anesthesia was induced by the anesthesia service. which of the following is true for the above sentence a. This is a comma splice that can be fixed by removing the comma. b. This is a
asked by Deeksha 
Human Resource Management
Attempting to provide raters with a set of consistent norms of good and poor performance for evaluating employees is an example of A) observation training. B) rater error training. C) frame of reference training. D) halo error.
asked by POORMAN 
Physics
A proton is at the origin and an electron is at the point x = 0.36nm , y= 0.30nm .
asked by DavidJ 
physical science
What are the distance and displacement of a race car that completes the Indy 500
asked by rosie 
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 MaS 
Calculus : Derivative
If xy log(x+y) = 1, prove that dy/dx = y(x^2y +x+ y)/x(xy^2 + x + y)
asked by Akash 
physics
How strong an electric field is needed to accelerate electrons in a TV tube from rest to onetenth the speed of light in a distance of 4.9 cm ?
asked by Debra 
PSY/300
What is casual observation and why is it different from scientific disipline?
asked by logan 
grammar
2.He suffered an injury to his knee, and this is causing him pain and discomfort. suffered an injury ,is causing are verbs ,am i correct or pls correct me
asked by nicole 
geometry
Find side c if side a = 10 inches and side b = 6 inches.
asked by robert 
Chemistry
A sample of glucose, C6H12O6, contains 1.300x10exponent21 atoms of carbon. How many atoms of Hydrogen does it contain? How many molecules of glucose does it contain?
asked by Ray 
Physics
A golf ball is given an initial speed of 20 m/s and returns to ground level. Which launch angle above level ground results in the ball traveling the greatest horizontal distance? Neglect friction. 1. 60 degrees 2. 45 3. 30 4. 15 The answer is 45 but I was
asked by Julie 
Economics
A large firm has two divisions: an upstream division that is a monopoly supplier of an input whose only market is the downstream division that produces the final output. To produce one unit the final output, the downstream division requires one unit of the
asked by Kathy 
meteorolgy
On a clear and calm day, the air temperature at sunrise is 0 °C (32 °F) with a relative humidity of 85%. The air temperature reaches a maximum of 10 °C (50 °F) at 3 p.m. Assuming that no water vapor is added to or removed from the air, predict the
asked by Anonymous 
Chemistry
The oxidation of sulfur dioxide to sulfur trioxide is an important reaction. At 1000K, the value of Kc is 3.6 x 10^3. What is [SO3] at equilibrium when the reaction vessel is maintained at 1000K.
asked by Jenny 
mba stats class, help!!
A salesperson goes doortodoor in a residential area to demonstrate the use of a new Household appliance to potential customers. She has found from her years of experience that after demonstration, the probability of purchase (long run average) is 0.30.
asked by jenny 
meteorolgy
Saturated (cloudy) air at a temperature of 20 °C (68 °F) has a vapor pressure of __________ mb and a relative humidity of _________%.
asked by Anonymous 
grammar
5.The external oblique fascia was then incised, and the incision was lengthened in the direction of the fibers. pls let me know all verbs in this sentence.
asked by mike 
chemistry
Every measurement has a measurement uncertainty. Discuss how precise and accurate measurement can be achieved in spite of the inherent measurement uncertainty. You could use either of the two options given below. • Take a ruler and measure the height of
asked by mema 
grammar
Although the abscess was incised and drained in the emergency room and cultures were obtained, which grew coagpositive staphylococcus.
asked by martha 
statistics
IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one individual is randomly chosen. Let X = IQ of an individual. The middle 30% of IQs fall between what two values?
asked by Kelly 
math
Two circles with radii 3cm and r cm touch each other externally. If their common tangent is 8cm long,what is the value of r?
asked by Daniel 
Physics
A typical lightning flash delivers about 27C of negative charge from cloud to ground. How many electrons are involved?
asked by D'Andre 
grammar
Although the abscess was incised and drained in the emergency room and cultures were obtained, which grew coagpositive staphylococcus. which of the below holds good for the above sentence. 1.This is a runon that needs a semicolon after time. 2. This is a
asked by Jennifer 
MATH
WRITE A SIMPLE BUT A COMPLETE FORTRAN PROGRAM TO CALCULATE THE AREA OF A TRIANGLE
asked by EDWIN 
Biology
Carbon is a an element with an atomic number of 6. Based on this information, which of the following statements is true? A. Carbon can be broken down into simpler component substances. B. Each carbon atom will always have 6 protons. C. Each carbon atom
asked by Sherri 
MATH
FIND THE MEASURES OF ANGLE 1 AND ANGLE 2 IF MEASURE ANGLE 1=3X12 MEASURE ANGLE 2=7X+2 AND ANGLE 1 AND ANGLE 2 FORM A LINEAR PAIR
asked by jojo garma 
Chemistry
How many grams are in 8.2x10 to the power of 22 molecules of Fe2O3?
asked by Melanie 
Chemistry
The equation of the line for a graph of voltage versus log[Cu2+] was y=  0.0179x  0.0015. The voltage of a solution with an unknown [Cu2+] was measured against the same reference cell, under the same conditions; the voltage was found to be 0.012 V.
asked by Max 
MATH
WRITE A SIMPLE BUT A COMPLETE FORTRAN PROGRAM TO COMPUTE THE AVERAGE OF SIX NUMBERS AND DISPLAY THE NUMBERS, SUM AND AVVERAGE. THE PROGRAM SHOULD TERMINATE WHEN ZERO IS ENTERED AS A NUMBER. THE PROGRAM SHOULD BE EDUCATIVE
asked by EDWIN 
grammar
Seeing pulsation of the artery at the completion of this dissection. which of the following is right for the above sentence. 1.This is a runon that can be fixed with a period. 2. This is a runon that can be fixed by adding a comma and a conjunction. 3.
asked by Troy LaBruce 
Marketing
List the types of potential segmenting dimensions, and explain which you would try to apply first, second, and third in a particular situation. If the nature of the situation would affect your answer, explain how.
asked by Destiny 
Chemistry
convert 39C fever to fahrenheit
asked by mema 
english
One of the four underlined sections may mark an error in punctuation. Choose the option that marks the error in punctuation. If there is no error, choose No error. For most of us who are not reading specialists, learning to read is a mysterious process;
asked by natasha 
Derivative
25) Suppose F(x) = g(2x^2 + 2). Find F(1) if g'(4) = 3. This is the question on my take home test. Seems to me that the question is wrong. Should it be f'(1) if g'(4) = 3? Your thoughts?
asked by Steff 
Calculus (demand)
18) The demand equation is x + 1/6p  10+0. Compute the elasticity of demand and determine whether the demand is elastic, unitary, or inelastic at p=50. a) 5; elastic b) 1/9; inelastic c) 7/6; elastic d) 6; elastic I choose answer A. Is that correct?
asked by Steff 
economics
Assume that it takes four hours of labor time to paint a room and three hours to sand a floor. If all 24 hours were spent painting, how many rooms could be painted by one person? If a decision were made to sand two floors, how many painted rooms would have
asked by MATTHEW 
Chemistry
I blanked how to solve this: How many grams of carbon dioxide are produced when 2.5 grams of sodium bicarbonate reacts with excess citric acid according to: 3NaHCO3+H3C6H5O7 > Na3C6H5O7+3CO2+3H2O Could you include the steps, please? Thanks.
asked by Jillian 
trignometry
Prove That 2sin^pi/6 + cosec^7pi/6cos^pi/3 = 3/2
asked by Anonymous 
math
Assuming that the air temperature drops 6.5 Celsius degrees per 1000 m, compute the temperature at the tropopause if the sealevel air temperature is 15 °C and the altitude of the tropopause is 11 km. Answer: _____ °C (Round to the nearest tenth, do not
asked by Anonymous 
meteorolgy
Outdoors, the air temperature is 5 °C (44 °F) and the relative humidity is 45%. What is the relative humidity of the air if it is drawn indoors and heated to 20 °C (68 °F)? Assume that no water vapor is added to or removed from the air. Answer:
asked by Anonymous 
Physics
The electric field at the surface of a uniformly charged sphere of radius 6.0cm is 90 kN/c .
asked by Debra 
medicine
can some one tell me from where can i download free medical ebooks for biochemistry,physiollogy and embryology???
asked by aden 
Geometry
Given ABCD AC=28 and AE=3x7 find the value of x
asked by Alex 
geometry
a cube shaped box is 6 inches wide and the rectangular box is 10 inches long, 4 inches wide, and 4 inches high. how much greater is the volume of the cube shaped box than the rectanglar box?
asked by danna 
math
The average air pressure at sealevel will support the column of mercury in a mercury barometer to a height of 760 mm (29.92 in.). If water were used in place of mercury in the barometer, what would be the height of the water column at average sealevel
asked by Anonymous 
chemistry
If 1/2 moles of 02 react with 24 moles of hydrogen, can 2 moles of water be produced?
asked by Zach 
Geometry
I have a picture of a window showing a square in the center with sides measuring 4 feet, over each side of the square is a semicircle(a total of 4 semicircles), how can I find the area of the window? Should I find the area of the square and the
asked by Phillip 
statistics
2. A teacher wants to investigate whether there is a difference between male and female students in the amount of time they spend studying for statistics. The table below shows the amount of time students spend studying statistics each week. The amounts of
asked by Carl 
Financial Accounting
Incentive Corporation was organized in 2009 to operate a financial consulting business. The charter authorized the following capital stock: common stock, par value $4 per share. 12,000 shares. During the first year, the following selected transactions were
asked by gdlola 
geometry
Given U = {15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25}, A = {16, 18, 20, 22}, and B = {17, 19, 20, 23, 24}. Show your work, finding A’, then B’ then find their intersection.
asked by nitta 
physics
A car moves with an initial velocity of 25ms1 and reaches a velocity of 451 in 10s. What is the acceleration of the car?
asked by Joseph 
chemistry
Explain why the yield of ester is relatively low? How to improve the yield and the purity of ester?
asked by Make 
math
the difference of two numbers is 5. their product is 176. what are the numbers ? i've been trying to figure this out for a while and can't come out with the right answer.
asked by jaclyn 
grammar
Hey!Pls help me i am stuck with the sentence below. Seeing pulsation of the artery at the completion of this dissection. 1.This is a runon that can be fixed with a period. 2.This is a runon that can be fixed by adding a comma and a conjunction. 3.This is
asked by Troy LaBruce 
statistics
2. A teacher wants to investigate whether there is a difference between male and female students in the amount of time they spend studying for statistics. The table below shows the amount of time students spend studying statistics each week. The amounts of
asked by Carl 
statistics
3. A researcher is interested in whether listening to music helps or hinders testperformance. To control for differences in cognitive level, this researcher decides to use a withinparticipants design. He selects a random sample of participants and has
asked by Carl 
HR Management
Feedback is most effective in improving performance when it A) is specific. B) is accepted by the employee. C) defines clear goals for future performance. D) All of these.
asked by POORMAN 
math
marla earned $400.00 interest over 2 years on a $4000.00 investment. jovita earned $960.00 interest over 4 yars on her $ 6000.00 investment. Who had the higher rate of interest?
asked by don 
Precalculus
The letters r and è represent polar coordinates. Write the equation using rectangular coordinates (x,y). r=1+2sinè I know that I have to use something along the lines of x=rcosè and y=rsinè, but I'm stuck when I try to figure it out. Can someone help?
asked by Alex 
Statistics
A group of scientists created 150 trials to measure whether electric shock treatment could cure paranoid delusions. Of these trials, 52 were successful. Find the margin of error E that corresponds to a 95% confidence level. The critical value for 95%
asked by Thomas 
geometry
how much water can be held by a cylindrical tank with a radius of 12 feet and a height of 30 feet? is it 33912 cubic feet? or perhaps 2260.8 cubic feet?
asked by danna 
Chemistry
Give the following reaction,find the mass of oxygen required to produce 13grams of CO2; C3H8+5O2>3CO2 + 4H2O
asked by Charlie 
meteorolgy
Compute the relative humidity (RH) to nearest percent for each of the following atmospheric conditions: (Round to one decimal place, do not include units.) a. mixing ratio = 2.3 g/kg, temperature = 10 °C (50 °F), RH = _________ %
asked by Anonymous 
meteorolgy
Compute the relative humidity (RH) to nearest percent for each of the following atmospheric conditions: (Round to one decimal place, do not include units.) b. vapor pressure = 4 mb, saturation vapor pressure = 16 mb, RH = _________%
asked by Anonymous 
nba stats help!!
The weight of a product is normally distributed with a standard deviation of .8 ounces. What should the average weight be if the production manager wants no more than 1% of the products to weigh more than 7.3 ounces?
asked by jenny 
english
hay i really really need help!!! im doing a poem project and it invloves explainig what does "no time to turn at beautys glance and watch her feet and how they can dance"means pleasee help me i really need help:)
asked by priya 
MATH
FORTRAN ROGRAM THAT CAN ACCEPT TWO INTEGER NUMBERS AND COMPUTE AND DISPLAY ALL THEIR COMMON PRIME FACTORS
asked by EDWIN 
physics
A block of wood is placed in a cup of water. The block has the following dimensions: L=10cm W=5cm H=4cm. If the block is 75% submerged, how much water has been displaced?
asked by Noelle 
accounting
Enter transactions: 1. owner contributes $6,00 cash 2. $2,000 in revenue on account 3. $1,500 cash from debtors 4. Rent expense cash $400 5. $300 in cash for salaries invested $2,500 in a certificate of deposit(terms  12 months, rate of interest  8%)
asked by kay 
Business
Describe the main roles and behaviors of the entrepreneurs, managers, and employees your company might have.
asked by Kim 
meteorolgy
If the relative humidity is 66% and the vapor pressure is 16 mb, what is the vapor pressure at saturation? Answer: _________ mb (Round to one decimal place, do not include units.)
asked by Anonymous 
calculus
18) The demand equation is x + 1/6p  10+0. Compute the elasticity of demand and determine whether the demand is elastic, unitary, or inelastic at p=50. a) 5; elastic b) 1/9; inelastic c) 7/6; elastic d) 6; elastic I choose answer A. Is that correct?
asked by Ben 
chemistry
An unidentified compound (A) was reacted with bleach using the same experimental protocol as that performed in the lab. Molecule B was formed. Answering the questions below should allow you to interpret the following information in order to determine the
asked by Anonymous 
sociology
How might the label of deviance act as a selffulfilling prophecy? I don't understand this question...what do they mean by selffulfilling prophecy?
asked by Diana 
derivative calculus
Please help. f(t)=(4+√t)(4t^25) This is what I have so far... (4+√t)(8t)+(4t^25) (1/2t^1/2) Am struggling to get this in factored form. Am working on a multiple choice take home test and nothing I am getting matches.
asked by Steff 
Statistics
: For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The
asked by Stephanie 
statistics
1. An LU professor is interested in whether there is a difference between undergraduate students and graduate students in the amount of time spent praying each day. The professor gathers information from random samples of undergraduate and graduate
asked by Carl 
british lit
what does the Redcrosse Knight represent in The Faerie Queene?
asked by greg 
derivative
Find the derivative. 11) f(t)=(1)/(sqrt(8t3)) 12) g(t)= ((4t3)^2)/ ((5t+1)^4) Thanks.
asked by Ben 
grammar
A Superblade was used at the 2 o'clock position, and the anterior chamber was entered was used is a verb ,was entered is also a verb ,am i right
asked by kristin 
chemistry
How would you prepare 1 L of a 1.15 M aqueous solution of MgCl2? What grams of MgCl2 would be used?
asked by Anonymous 
Algebra
find the vertex, line of symmetry, and minimum or maxium values of the quadratic equation f(x)=9x^2
asked by Jess 
calculus
Just want to check and see if I am setting this up right. Let y=f(x)=x^26x Find the average rate of change of y with respect to x in the interval from x=4 to x=5 (5^26*5) (4^26*4)/ 54
asked by Steff 
chemistry
How can I solve the following ecercise: Use perturbation theory to calculate the energy levels of a particle in a box with a cosine function botto. Let the box extend from x=a to x=a and let the perturbing potential be H' = V0[1+cos(2*Pi*m*x/a)]. This
asked by Juan Manuek 
Algebra
If the cost of a cell phone has decreased 400% during the past 10 years, does that correspond to a cost decrease of four times? Explain your answer as though you were talking to someone who has never taken algebra.
asked by Brenda 
math
2/5t+=8/3
asked by elquan 
chemistry
Determine the Molarity of a 125 mL NaOH solution if upon titration with 5.5 mL of an 2.5 M HCl solution, the end point of the titration was reached
asked by liz 
math
The length of a rectangle is 2 meters more than its width. If the area is 35 square meters, what are the length and width? (Points : 4)
asked by saadebay 
accounting
I need help with the layout on how to prepare a bank reconciliation and record adjustments. As of July 31 Company is Clark Company.
asked by shawna 
math
geometry answers "You have a rectangular sheet of paper with dimensions 8.5 inches by 14 inches. if you use 3 inches as the value of x, What are the dimensions? and its volume?
asked by michelle 
business commnication
Which of the following sentences advocates an idea in a positive way? (Points: 5) "I can't see anyone buying the product at that price." "The unit is way overpriced." "Customers can get a better deal anywhere else." "We can corner the market if we discount
asked by Anonymous 
mba stats class, help!!
a door to door sales person for a household appliance has learned from her past experience that out of 10 demonstrations of her appliaance only 4 result in actual sales. This week she needs to make at least 5 sales. At least how many demonstrations does
asked by jenny 
social studies
how to create a map and diorama 3d model in a large pizza box ? steps to follow show and label the landforms on both the map and diorama can be made using clay , paper , salt or any other material .
asked by bhanu 
algebra
write the absolute value for each of the following. A.7 B.+3 C.0 D.6
asked by lawrence 
Science
Are sparklers legal in New York?
asked by Alea 
English
(please help) I need help with my English assignment ASAP. I need to know the meaning of Impetus? These are the exact words. Brief summary of the impetus behind your scenario. Be clear to show a clear link to the chosen topic. I do not understand the
asked by Victorine 
math
40 children in the class 3 out of every 4 wears jeans how many students in the class are wearing jeans?
asked by Marina 
Calculus derivative
Find the slope and an equation of the tangent line to the graph of the function f at the specified point. f(x)=1/3x^2+5x+5: (1, 1/3) Answer: f’(x)=2/3x + 5 y=2/3x 1 I reworked the problem and got f'(x)=5, y=5x+ 14/3 This is from a multiple choice
asked by Steff 
math
A 9ft. Ladder is leaning against a wall and make a 50 degree angle with the ground. How far is the ladder from the base of the wall.
asked by david 
American Govt
Why do you think free enterprise and capitalism usually develop as economic systems under democracy?
asked by Anonymous 
Physics
The gauge pressure at the bottom of a vertical tube (open to the atmosphere) filled with mecury is 100kPa. How high is the column of mecury in the tube? I used the formula pressure=density * gravity * height which i reaaranged to find h=
asked by Katie 
Waves
a long fishing rod is kept upright .A boat engine causes the rod to vibrate.Mary speculates that the end of the rod moves to and fro 20 times in 1 minute.The amplitude of the vibrtion is 0.15m.Calculate the speed of the vibration at the end of the fishing
asked by Sivashen 
chemistry
A robust first grader goes for swimming lessons three times a week, and he enjoys it thoroughly. During the first week of December, he develops an upper respiratory infection, starts coughing continuously, and has a high fever of 39°C. His condition
asked by mema 
American Government
What is the difference between "welfare" programs and "social welfare" programs?
asked by Britney 
math
Caleb took a two and onehalf hour nap after soccer practice on Saturday afternoon. His younger brother slept one and threefifths times as long as Caleb. How many hours did his brother sleep?
asked by David 
social studies
Given a HeliumNeon laserbased fiber optic Doppler probe at an angle of 60¡C with a blood vessel that registers a frequency shift of 63KHz, what is the velocity of the blood? Is this a reasonable number from a physiologic point of view when compared to
asked by CS 
science
Is an icing propane regulator concidered an endothermic reaction?
asked by john 
meteorolgy
Compute the relative humidity (RH) to nearest percent for each of the following atmospheric conditions: (Round to one decimal place, do not include units.) c. mixing ratio = 1.5 g/kg, saturation mixing ratio = 9 g/kg, RH = __________%
asked by Anonymous 
meteorolgy
If the relative humidity is 66% and the vapor pressure is 16 mb, what is the approximate air temperature? Answer: _________ °C. (Round to one decimal place, do not include units.)
asked by Anonymous 
physics
Draw a velocity time graph for a ball which is throw vertically upwards from the ground and then it comes back to the ground
asked by Anonymous 
Calculus : Derivative
If tan^1(x^2y^2/x^2+y^2) = a, prove that dy/dx = x(1  tan a)/y(1 + tan a) Please solve!!!
asked by Akash 
geometry
A triangle has a ratio of 3:8:9 what is the measure of the smallest angle
asked by Rebekah 
chemistry
what is the volume of 4.4 moles of Cl2 at 285 kelvin and 0.87 atm. (R=0.0821 k*atm/mol*k)
asked by Tom 
Chemistry
I don't know why on earth I don't remember how to do this, but I can't, and it's so simple. Calculate [H+] and [OH] of a solution with a pH of 9.7 Thank you.
asked by Anonymous 
Science 7
What is Ohm's Law? The exact definition please! This is for 7th grade science.
asked by Susy B. 
Programming
How do you obtain a tcsh shell login on mac?
asked by Shadowkiss 
Algebra
In a paragraph, describe how to simplify this expression ã100
asked by Julie 
scientist
What is the effect of the temperature. Outside on attendance at westside
asked by Anonymous 
Science
Of the three local winds, which do you think could be easily harnessed for the generation of electricity by a huge wind farm and why? Land and Sea Breezes,Mountain and Valley Breezes or Chinook and Santa Ana Winds.
asked by Niki 
College Physics
What is the momentum of an automobile (weight = 9700 N) when it is moving at 36 m/s to the south?
asked by kaleigh 
english
If you could create a time capsule. what valuable things or memories would you put in it? Note you won't open it for 10 years
asked by Kayla 
alg II
How do you solve this equation? 2cos(pi*x) = 4x = 5
asked by jane 
Quantum physics
How can I solve the following ecercise: Use perturbation theory to calculate the energy levels of a particle in a box with a cosine function botto. Let the box extend from x=a to x=a and let the perturbing potential be H' = V0[1+cos(2*Pi*m*x/a)]. This
asked by Juan Manuek 
world history
please help me, everyone!(: 1.what 3 types of land are best suited for agriculture a. tundra, alluvial plains, and lowlands b. swamplands, alluvial plains, and uplands c. swamplands, forests, and steppes d. alluvial plains,prairies,and uplands next 2.e
asked by danna 
Math
Prove that if p is prime and 1
asked by Sean 
fp/101
Which of the following would not be used to create a personal balance sheet? A. Slide presentation software B. Personal financial management software C. Pencil, paper, and calculator D. Spreadsheet software
asked by Anonymous 
social studies
For liver tissue irradiated by the pulsed Ho:YAG laser, determine the exposure duration which the equation for heat conduction may be ignored. Assume the absorption coefficient at the Ho:YAG laser wavelength is 30cm1 and assume the thermal diffusivity of
asked by CS 
chemistry
1.calculate d nos of molecules and atoms in following cases: (a).0.25 moles of water' b.32 gramms of SO2?c) 0.45 litres of hydrogen measured to 25·c and 0.9 atm.
asked by tilo 
English
1. The solar cell could change sunlight directly into electricity. 2. The solar cell could directly change sunlight into electricity. (Are both acceptable? What is the suitable position of 'directly'? Which one is right?)
asked by rfvv 
english
The colorful paper decorations were ruined by the sudden storm? what are all the adjectives
asked by Paula 
Algebra
What are some rational equation applications used in forensics or crime scene investigation?
asked by Stephanie 
Math statistics
If 47% of the population wears sunglasses and use sunscreen in the sun, and 18% wear sunscreen, and 47% wear neither, what percent wear sunscreen?
asked by zeek 
English
How is the more direct performative aspect of drama and/or poetry reflected in these forms? structure, language, technique, and style
asked by John 
English
Can you help me summarize the major similarities and differences between the forms of the drama " Riders to The Sea",The poem " We Real Cool",and the short story "The Secret Life of Walter Mitty" and help me with at least one textual example of each
asked by John 
MATH
What is the 9th term 1/18 1/6 1/2
asked by M 
History URGENT reflecting
Hi What is a general way to reflect on an cartoon? I have some rough ideas like talking about perspective of the artist and the portrayal but I'm not sure if i'm missing something. Thanks!
asked by Em 
science
if a drug has a half life, after half of the drug leaves does it continue acting on the body
asked by Anonymous 
Calculus
Find the derivative. 11) f(t)=(1)/(sqrt(8t3)) 12) g(t)= ((4t3)^2)/ ((5t+1)^4) Thanks.
asked by Robson 
science
if the concentration of lead in water is 15ppm how much water contains 15 grams of lead?
asked by Anonymous 
Calculus : Derivative
If y = x sin(a+y), prove that dy/dx = sin^2(a+y)/sin(a+y)ycos(a+y) Please solve it
asked by Akash 
psychology
why do people help?
asked by Anonymous 
sociology
How does racism and class system work together
asked by Anonymous 
english
Explain the quote, "In order to survive fact must become fiction."
asked by jill 
MATH
what is the range of f(x)= 3sin(bx+d)
asked by zack 
grammar
5.After lengthy discussion, it was decided the patient would continue to be treated in the hospital. Is there any conjuction in this sentence.
asked by martha 
social studies
Almost done ..What are two of the qualities that made Stonewall Jackson an outstanding battlefield Commander ? The only thing I found on this was, he inspired incredible loyality in his men and was a brillant stratigist ?? Is this correct ?
asked by Joanne 
MATH
Convert 322 degrees to radians
asked by M 
MATH
(1/6)to the power of 3x = 36 to the power of 2x
asked by M 
Commerce
Why is employment based on contract law?
asked by Jason 
health
who are resonsible if the doctors office suffers a power outage. the doctor, or the agency managing the computerized data for the doctor????
asked by sophie 
world history
please, please, please help me with my question! 1. el nino affects the andean region by A.causing seasonal rains to come at the wrongtime b.decreasing the temperture c.causing drought d.causing torrential rains
asked by danna 
PSY/300
what is causal observation ?
asked by logan