Questions Asked on
January 23, 2011

Physics ( Calculus & Mecahnics )
A proton with mass m moves in one dimension.The potentialenergy function is where and are positive constants. The proton is released from rest a x0 = a/b. (a) Show that can be written as U(x) = a  [ ( x0/x )^2  x0/x ] x0^2 Graph U(x). Calculate U(x0)
asked by Clark 
physics
1 kg of ice at 0° C is mixed with 9 kg of water at 50° C (The latent heat of ice is 3.34x105 J/kg and the specific heat capacity of water is 4160 J/kg). What is the resulting temperature?
asked by calous  HELP PLEASEE!!! 
financial analysis
an item which may be converted to cash within one year or one operating cycle of the firm is classified as a
asked by james 
MATH! PLEASE REPLY ASAP!
VWXYZ is a rectanglebased pyramid where WX=66 cm and XY=32cm. The vertex is vertically above the center of the base. Given that the slant heights VA and VB are 56 cm and 63 cm respectively, find the total surface area of the pyramid. Additionally, find
asked by Helen 
math
the probability of a computer memory chip being defective is 0.02. which of ghe following statements is true? a) in a shipment of 1000 chips, it is certain that at least one will be defective. b) in a shipment of 100 chips, two will be defective c)the
asked by Amy 
English
What is the theme of "Abalone, Abalone, Abalone" by Toshio Mori?
asked by ASH 
physics
A charge Q = 520 C experiences a downward force of 0.04 N. What is the electric field in N/C at the point where the charge is located? Take upward to be positive. I know that E=Kq/r^2 therefore E= (9.0*10^9Nm)(520*10^6c)/r^2 I'm not sure how to get the
asked by help 
MATH! PLEASE REPLY ASAP!
OPQRS is a regular squarepyramid whose base has sides of 7 cm. Given that the total surface area of the pyramid is 161 cm2, find its slant height.
asked by sheila 
calculus
A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 44¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a
asked by Anonymous 
Math grade 8
a jar contains 4 white chips, 5 purple chips and 1 black chip. chips are selected randomly one at at time and are not replaced. What is the probability of choosing a purple then black chip?
asked by Kaelin 
Physics
A person of mass 55 kg stands at the center of a rotating merrygoround platform of radius 3.4 m and moment of inertia 670 kg·m2. The platform rotates without friction with angular velocity 1.0 rad/s. The person walks radially to the edge of the
asked by Sierra 
chemistry
A 0.50 {\rm g} sample of vegetable oil is placed in a calorimeter. When the sample is burned, 18.9 {\rm kJ} are given off.
asked by Andrea 
Physics
Figure below shows a closed Gaussian surface in the shape of a cube of edge length l. It lies in a region where the electric field is given by = (ax + a) + b + c. What is the net charge contained by the cube in terms of the given variables? Use ε0 if
asked by Antoine 
calculus (rate of change)
consider the function f(x)=x^26x+12 a. find the average rate of change over the interval [1,3] b. use the definition of the derivative to find f prime(x) c. find the instantaneous rate of change at the point where x=3 d. find the value of x on the
asked by sam 
Physics please help!!
A peregrine falcon dives at a pigeon. The falcon starts downward from rest and falls with freefall acceleration. If the pigeon is 82.8 m below the initial position of the falcon, how long does it take the falcon to reach the pigeon? Assume that the pigeon
asked by Megan 
Physics
A 19 kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 23.2 degrees the crate begins to slide downward. what is the coefficient of static friction between the crate and the ramp? At what angle does
asked by Anonymous 
Organic Chemistry
What is the maximum mass of S8 that can be produced by combining 80g of each reactant? 8SO2 + 16H2S > 3S8 + 16H2O i calculated the mass of the reactants 3S8 = 24x 32.066= 769.584 g/mol 16H2 = 32X 1.008= 32.256 g/mol O= 16X 15.994= 255.904 g/mol but from
asked by Olivia Seth 
Physics
A uniform electric field of magnitude 336 N/C is directed along the +yaxis. A 5.30 µC charge moves from the origin to the point (x, y) = (10 cm, 37 cm). (a) What is the change in the potential energy associated with this charge?
asked by christian 
algebra 2
a store is offering a discount of 30% on a suit. There is a sales tax of 6%. A) using a composition of function, represent this situatio in which the discount is taken before the sales tax is applied. B) using a composition of functions represent the
asked by carly 
math
algebra: a car rents for $35 dollars per day plus 19 cents per mile. you are on a dailt budget of $73. what mileage will allow you to stay in your budget?
asked by Anonymous 
Math
Each letter in the subtraction problem below represents a different digit from 0 through 9.The digits 3 and 5 don't apear. replace each letter so the subtraction problem is true. GRAPE  PLUM =APPLE
asked by autumn 
Math
VWXYZ is a rectanglebased pyramid where WX = 66 cm and XY = 32 cm. The vertex is vertically above the center of the base. GIven that the slant heights of VA and VB are 56 cm and 63 cm respectively, find the total surfact area of the pyramid. Additionally,
asked by Atilla 
Algebra
The function h is defined by h(x) . 6+x/4+2x Find h(2x)
asked by Rachal 
Algebra
Solve for v. v+6/5=3/5v7/3 Simplify your answer as much as possible.
asked by Jessica 
Math (please help!)
The largest Ferris Wheel in the world is the London Eye in England. The height (in metres) of a rider on the London Eye after t minutes can be described by the function h(t) = 67 sin[0.2094(t30)] + 70 Using this equation i'm supposed to find the diameter,
asked by Haley 
math
write the following in a sigma notation 3/32+3/16+3/8+...+12288 so far ive gotten that a=3/32 and r=2/1 can you please help me further
asked by curious student 
biology
Most homeostatic mechanisms are controlled with a negative feedback loop. Explain why this mechanism may be more efficient at maintaining homeostasis as compared to positive feedback mechanisms. Provide examples of both
asked by Anonymous 
Calc
The slope of a curve at each point (x,y) is given by 4x  1. Which of the following is an equation for this curve if it passes through the point (2,3)? A) y=4x²x15 B) y=x²4x9 C) y=2x²x7 D) y=2x²x E) y=2x²x+7
asked by Erica 
Physics
An airplane must reach a speed of 185 mi/h to take off. If the runway is 467 m long, what is the minimum value of the acceleration that will allow the airplane to take off successfully? m/s2 I have been trying the formula vf^2=Vi^2+2AD and solving for A SO
asked by David 
cal
let s(t)= 16t^2 + 50 represent the distance in ft. from the ground of an object t seconds after initial velocity of the object? initial means t=0 1. what is the initial velocity of the object? 2. what is the velocity of the object 1 sec after it was
asked by maria 
math
One canned juice drink is 25% orange juice; another is 10% orange juice. How many liters of each should be mixed together in order to get 15L that is 125 orange juice?
asked by Anonymous 
physics
A yoyo has a rotational inertia of 810 g·cm2 and a mass of 95 g. Its axle radius is 2.6 mm and its string is 100 cm long. The yoyo is thrown so that its its initial speed down the string is 1.0 m/s. (a) How long does the yoyo take to reach the end of
asked by Help Please! 
physics
A car skids to a halt to avoid hitting ann object in the road draw a basic motion diagram . using the images from the movie from the time the skid begins until the car is stopped
asked by lola 
Science
compare the number of valence electrons an oxygen, O, atom has with the number of valence electrons a selenium, Se, atom has. are oxygen and selenium in the same period or group?
asked by Ally 
statistics
A manufacturer of computer disks has a historical defective rate of .001. What is the probability that in a batch oof 1000 disks, 2 would be defective?
asked by Tiffany 
Science
Define reacting variable.
asked by Landon 
phy. chem
start from the MaxwellBoltzmann distribution and derive an expression for the most probable speed of a gas of molecules at a temperature T. Go on t demonstrate the validity of the equipartition conclusion that the average translational kinetic energy of
asked by bun 
statistics
A researcher wants to determine if two brands of cigarettes contain the same amount of nicotine. The data is shown in the table. With a significance level of 0.05 to that conclusion can be reached. Set the interval for a confidence of 95% Sample A: 40.3
asked by Jose 
chemistry
A solution of acetic acid is prepared in water by adding 11.1 g of sodium acetate to a volumetric flask and bringing the volume to 1.0 L with water. The final pH is measured to be 5.25. What are the concentrations of acetate and acetic acid in solution?
asked by medina 
health
Under HIPAA, which one of the following statements is true regarding the release of PHI by covered entities to business associates? A. Covered entities are responsible for the use of PHI made by business associates. B. Covered entities aren’t allowed to
asked by Anonymous 
health
What is a doctor’s responsibility if a patient requests restrictions on the use of his or her PHI? A. The doctor must comply with the patient’s wishes. B. The doctor need not comply with the patient’s wishes if HIPAA would otherwise permit
asked by Anonymous 
Finite Math
At a price of $ 1.94 per bushel, the supply corn in 9,800 million bushel and the demand is 9, 300 million bushel. At a price of $1.82 per bushel, the supply is 9,400 million bushels and the demand is 9, 500 million bushels. A, find a pricesupply equation
asked by daylo3 
biology
I am posting this question in Biology instead of Algebra even though it is a question from my Algebra class. Thanks. A male bee has only one parent(a mother) and a female bee has two parents (a mother and a father).Assuming all ancestors are distinct, how
asked by carol 
College Physics II
Identical isolated conducting spheres 1 and 2 have equal charges and are separated by a distance that is large compared with their diameters. The electrostatic force acting on sphere 2 due to sphere 1 is F. Suppose now that a third identical sphere 3,
asked by Scott 
calculus
find an expression for the function whose graph consists of the line segment from the point (2,2) to the point (1,0) together with the top half of the circle with center the origin and radius 1
asked by bal 
How to calculate marks to pass with the exam
My friend has currently 62.4% and the final exam is worth 30%. She's wondering how much she should get on the exam to at least pass or boost it up. Please show the math :o
asked by Anonymous 
College Algebra
Al gives 1/2 of his marbles to bev. bev gives 1/3 of these to carl. carl gives 1/4 of these to dani. If dani was given four marbles, how many did al have originally?
asked by Molly 
chemistry
what is thbe total number of molecules of so2 in a 0.10 mole same of so2
asked by sha 
english
Is my sentence punctuated correctly? Even though it is almost summer, we still have overcast skies and light rain.
asked by z 
Algebra
Determine whether the ordered pair is a solution of the inequality. (6,20); 6y7x>7
asked by Lynn 
physics
At a given rotational speed, how does linear speed change as the distance from the axis changes?
asked by Anonymous 
accounting
The adjusted trial balance columns of the worksheet for Porter Company are as follows
asked by Anonymous 
Precalculus
1. Simplify the expression ((5x^2)/(4x^2))^2 2. (x)/(x^281)(9)/(81x^2) = 3. Let (3,3) and (6,_2) be points in the Cartesian plane. Find the distance between the points.
asked by Amy 
Chemistry
A sample of zinc with a mass of 14g was heated to 98 degree celsius in boiling water and then dropped into a beaker containing 4.5x10^4ng of water at 25 degree celsius. when the water and metal came to thermal equilibrium, the temperature is 29 degree
asked by Ciara 
chemistry
a 2 l gas bulb contains 4.07*10^23 N2 molecules. If the pressure is 3.05bar, what is the rms speed of the N2 molecules? What is the temperature?
asked by brandie 
Algebra
Solve for v. v+6/5=3/5v7/3 Simplify your answer as much as possible. This answer cannot be a radical. Thanks
asked by Rachal 
Medical Information Management
A company that provides comprehensive health care services on a prepayment basis to voluntarily enrolled participants is called a? A. Medicaid participant. B. health maintenance organization (HMO) C. preferred network association. D. Medicare provider. my
asked by Jessica 
Math (Algebra)
What is the minimum point of the graph of the equation y=2x^(2) + 8x +9?
asked by Stoudemire 
Chemistry
Is NaHCO3 a polar aprotic solvent?
asked by John 
physics
A ball is thrown upward from the ground with an initial speed of 26.7 m/s; at the same instant, a ball is dropped from a building 13.1 m high. After how long will the balls be at the same height?
asked by Ted 
Math
A cable TV company charges $24.95 per month for basic service and $6.95 per month for each premium channel. Ryans monthly bill is $45.80. How many premium channels does he receive What would be the algebra expression?
asked by Taylor 
Medical Information Management
Which of the following health care professionals has overall responsibility for the accuracy of the medical record? A. attending physician B. chief executive officer C. Registered health information technician D. Registered health information administrator
asked by Jessica 
English
Thank you very much. I have a few moe sentences I'm not sure of. 1) I have a sunburn. I think you should rub (in/on) some ointment for burns and scolds. 2) I think you should have your leg put in plaster. 3) What do you do if you catch flu? You lay in bed
asked by Franco 
Math please help
1. Simplify the expression ((5x^2)/(4x^2))^2 2. (x)/(x^281)(9)/(81x^2) = For the first one the answer was 16x^8/25 but I don't know how to get that. For the second one the answer is 1/x9 and I also don't know how to get that one.
asked by Amy 
Chemistry
IF the rate of consumption of N2)4 (below) is .0221, what is the rate of production of NO2? N2O4(g)2NO2(g) Please help and explain. BC i have to actually understand how to do the problem. Thanks
asked by Amber 
Physics
On a clear, sunny day, a vertical electrical field of about 118 N/C points down over flat ground. What is the surface charge density on the ground for these conditions?
asked by Alissa 
physics
you swing a 4.7 kg bucket of water in a vertical circle of radius 0.3 m. What speed must the bucket have if it is to complete the circle without spilling any water?
asked by Anonymous 
physics
A basketball player crouches while waiting to jump for the ball. He lowers his center of gravity is 0.30 m. When he jumps for the ball, his center of gravity reaches a height of 0.90 m above its normal position.(a) Calculate the velocity of the player when
asked by Tezara 
physics
A person is standing at the edge of the water and looking out at the ocean (see the drawing). The height of the person’s eyes above the water is h=1.6 m, and the radius of the earth is R=6.38x10^6 m (use as a precise value). (1) How far is it to the
asked by Brittany 
Eng. Dynamics
A fire fighter is standing 20 m from a burning building as shown. She is holding a fire hose 1 m from the ground directed upward at 60° from horizontal with water coming out of the nozzle at 20 m/s. Find the distance from the edge of the roof to where the
asked by Pat 
Help! Physics!
A person walks 23o north of east for 4.8 km. How far would a person walk due north and due east to arrive at the same location.
asked by Megan 
Math
What is the difference between the height of the tallest man at 92.95" and the mean height of men at 69.6" and a stanard deviation of 2.8? How many standard deviations is that? Convert tallest man to a z score Does tall mans height meet the criterion of
asked by Help please! 
algebra
A male bee has only 1 parent(a mother) and a female bee has two parents (a mother and a father). Assuming all ancestors are distinct, how many great, great, great, great grandparents does a male bee have?
asked by laura 
finanace
Using 7.86 rate of return , what should be the current share price of AirJet Best Parts, Inc. if the company maintains a constant 1% growth rate in dividends and the most recent dividend per share paid on the stock was $1.50?
asked by Mark 
Chemistry
Substance A has a density of 4.0 g/mL and substance B has a density of 2.0 g/mL. If we have equalmass samples of each, which has the greatest volume?
asked by Anna 
Genetics Biology
You have two parents (1)fastgrowing vines with weak stalks, and (2) slowgrowing vines with strong stalks. You cross the two purebreeding vines but obtain only slowgrowing plants with weak stalks. You then selfcross the F1 vines a number of times, but
asked by A 
Chemistry
Substance A has a density of 4.0 g/mL and substance B has a density of 2.0 g/mL. If we have equalmass samples of each, which has the greatest volume?
asked by Anna 
chemistry
a ferric phosphate solution is prepared by adding 2.4 g of ferric phosphate to a volumetric flask and bringing the final volume to 1.00L by adding water having a phosphate concentration of 1.0 mg/L. what is the concentration of soluble iron in this
asked by Anonymous 
Physics
A baseball is hit off a 1 meter high tee at an angle of 25 degrees and at a speed of 43 m/s. How far to the nearest tenth of a meter does it travel horizontally?
asked by Anonymous 
geometry
find all points of form (x,1) 4 units from point (3,2)
asked by liz 
physics
Two blocks of masses m and M [M = 4.23m] are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and the blocks are pushed together with the spring between them. A cord holding them together is burned, after which the
asked by vanessa 
Physics
A golf ball is chipped at an angle of 49 degrees and with a speed of 8.5 m/s. How far does it travel to the nearest tenth of a meter?
asked by Jack 
physical
A harmonic wave on a string moves along the xaxis according to: î(x,t) = 5.0 (cm) sin[ (2.5m1) x  (63s1) t ] At x = 1.0 m when t = 2.2 s the speed of the oscillations on the string is closest to ... 25.2 m/s 4.55 m/s 3.15 m/s 2.27 m/s 1.67 m/s
asked by Anon 
spelling 2nd grade
how can i make writing spelling sentences more interesting and fun?
asked by tonya 
Physics
Driving in your car with a constant speed of 12 m s you encounter a bump in the road that has a circular crosssection. The radius of curvature of the bump is 35.2 m. At what speed must you go over the bump if people in your car are to feel "weightless"?
asked by Ann 
algebra
Chu and Juan are each saving to buy the same two cd's. Chu is lacking $22 and Juan is lacking $3. When they combine their money they still do not have enough to buy the two cd's. What is the greatest number of whole dollars the two cd's could cost?
asked by laura 
math
solve 14is less then and equal to 3x 7less than and equal to 2
asked by Tracy 
algebra
Find an integer M such that M x 2 to the third power x 3 to the 7th power = 6 to the 7th power.
asked by carol 
British Literature
I need to identify the figure of speech in this saying:"thy mind is an opal." I think it is a metaphor. Am I correct?
asked by Anna 
Math
The distance between the points (14,18) and (15,8) is? The point (a,b) is such that (14,18) is the midpoint of the segment from (15,8) to (a,b). Then a and =?
asked by Bob 
math
Draw a triangle ABC with BC=8cm,angleB=50degrees and angleA=50degrees.A lso bisect it.
asked by aditya 
chemistry
calculate the rms speeds of He at 10, 100, and 1000 K in meters per second and in miles per hour. What values would be otained if the pressure was 10^10 bar
asked by noel 
english
complete using a simile 1.a drunken person often walks like 2.as slow as 3.my friend can run like
asked by annie 
Geometry check my answer?
The diameter of a car tire is approximately 0.6meters. The warranty is good for 70,000 km. About how many revolutions will the tire make before the warranty is up? More than a million? a billion?  my work c=pi*d c=3.14*0.6 c=1.884
asked by Skye 
Physics please help!!
A quarterback takes the ball from the line of scrimmage, runs backward for 11.1 yds, then runs sideways parallel to the line of scrimmage for 17.8 yds. At this point, he throws a 52.7 yd forward pass straight downfield, perpendicular to the line of
asked by Megan 
Chemistry ...ASAP please
a ferric phosphate solution is prepared by adding 2.4 g of ferric phosphate to a volumetric flask and bringing the final volume to 1.00L by adding water having a phosphate concentration of 1.0 mg/L. what is the concentration of soluble iron in this
asked by medina 
physics
why would you need to divide mass by gravity?
asked by Esora 
statistic
A company is considering installing new machines to assemble its products. The company is considering two types of machines, but it will buy only one type. The company selected eight assembly workers and asked them to use these two types of machines to
asked by Jose 
physics
Multispectral refers to: A. UV, IR, and visible light B. the many colors in visible light C. UV, IR, and xrays Thanks!
asked by Lydia 
MathAdvanced Functions
I am having trouble figuring out how to solve this logarithms. Could someone please help! log2(log4x)=1 and solve for x and y: (1/2)^x+y= 16 logxy8=3
asked by Chloe 
Algebra
To rent a certain banquet hall, there is a reservation fee of $4200.00 and an additional fee of $180.00 per hour. The Russell family wants to spend at most $5100.00 on renting the hall. What are the possible amounts of time for which they could rent the
asked by Rachal 
math
I have trouble finding the solution for this: Find the equation of the line through (2,a) and (4,b).
asked by stacy 
ela
we are reading catching fire. we have a mini project to do. there are 17 questions and i couldn't find 4. so my questions are : 1. what is healing capacity of salt water? 2. why does salt water have those positive effects on us? 3. what is saline solution
asked by shweta 
Math
sin2xcosx (0
asked by Marie 
Algebra
(ax)/(bx)=c/(xb) How do i go about solving this?
asked by Anonymous 
math (perimeter)
i need to find the perimeter of a triangle with the demensions : 2(q^23q) , q+10 , and q^2 .
asked by confused 
science
Tyler put a cube of blue closedcell foam in a syringe and clamped the end shut.When he pushed the plunger down the cube get smaller. What happened to the particles outside the cube? What happened to the particles inside the cube?
asked by callie 
english
equilateral quatrain
asked by goku 
algebra
Find all sets of two consecutive positive odd integers whose sum is less than or equal to 18.
asked by Joshua 
Science (Please help!)
I have a few questions to ask: 1. Round worms make up the largest phylum of worms, the phylum _________ 2. many nematodes are parasitic, but most are _______ 3. Wastes leave the body of a roundworm through an opening at the end of the digestive tract
asked by Kentut 
com/155
five sentences about the role of education in successful financial planning
asked by tom 
Chemistry
How does the 3D structure of SP3 bonds of Carbon, Oxygen and Nitrogen cause them to form polar molecules? How does the three dimensional structure of SP3 bonds of Carbon, Oxygen and Nitrogen cause them to form polar or nonpolar molecules? The answer must
asked by Bam 
algebra
Find all sets of two consecutive positive odd integers whose sum is less than or equal to 18.
asked by Joshua 
Maths
What is the best website which has printable free worksheets for grade 7 with the maths topic : decimals? thank you for your help.
asked by Alberta 
Calculus
√(x+2) 7 =√(x+9) If you could show your work on how to get the answer that would be awesome. I really need to learn how to do this
asked by Dan 
chemistry
How does Carbon hybridize it's S and P orbitals and what effect does this have on the 3D structure and chemical behavior? Your answer must include 1) diagrams of SP, SP2, and SP3 bonds as well as any left over Py or Pz orbitals; 2) a discussion with
asked by Bam 
space
2 birds fly from their nest to get to a certain spot(food) in a straight line,from opposite directions (eastwest) Both fly 60 km/hr.but one has a 44 km/hr tailwind to his advantage(disadvantage for the other.The bird with the advantage gets to the feeding
asked by Anonymous 
Chemistry
The decomposition of IBr(g)into I2 (g) and Br2 (g) is first order in IBr with k = 0.00255/sec. (a)Starting with [IBr] = 1.50M, what will [IBr] become after 2.50 minutes? (b)How long, in minutes, will it take for [IBr] to go from 0.500M to 0.100M? (c)What
asked by David 
Physics
3.16. An 1100kg car accelerates from 0 to 30 m/sec in 12 sec. If a frictional force of 200 N opposes the motion, what forces must the wheels exert backward on the pavement to cause this acceleration?
asked by Tezara 
Calculus
What is the slopeintercept equation of the line tangent to the graph of y=8ln(x) when x=5.
asked by Michelle 
chemistry
what is the maximum mass of potassium chloride (KCl) that will dissolve in 100.0g water at 70C
asked by wendy 
Physics
1. What do we mean when we say that the motion is relative?
asked by Sean 
algebra
Solve 2x 5 > 7
asked by Joshua 
health
How do states handle access to nonidentifying information for a party to an adoption? A. All states allow access to such information to anyone interested in it. B. All states allow an adoptive parent or a guardian of an adoptee to access the information.
asked by Anonymous 
health
If disclosure of PHI is permitted under HIPAA, what is disclosed? A. All information the particular doctor has on that patient B. Information the doctor thinks should be disclosed C. The minimum necessary to accomplish the purpose of the disclosure D.
asked by Anonymous 
algebra
Which of the following is a solution of the compound inequality? 3x + 8 < 2 or x + 12 > 2  x
asked by Joshua 
Math
2 birds fly from their nest to get to a certain spot(food) in a straight line,from opposite directions (eastwest) Both fly 60 km/hr.but one has a 44 km/hr tailwind to his advantage(disadvantage for the other.The bird with the advantage gets to the feeding
asked by JP 
algebra
Solve the inequality, 3x  2 < 5. Write the solution as an inequality with no spaces. You may leave the fraction in improper form.
asked by Joshua 
Biology DUE TOMORROW
Hello, I need help doing a 16 box Punnett Square on this problem: Tongue rolling (rolling the tongue into a “taco”shape) is dominant over not having the ability to roll the tongue (R and r respectively). Having free earlobes is dominant to attached (F
asked by ▓▓▓▓Chris ▓▓▓▓ 
social studies
what is a bill? what is a green paper? what is a white paper?
asked by Anonymous 
Mat
1/4c + 2 = 3/4 c=?
asked by Please help!!! 
Algebra
Multiply. x(6+2i)][x(62i)] Note that these expressions contain complex numbers. Simplify your answer as much as possible.
asked by Rachal 
Criminal Justice
Research Process and Terminology Paper To be proficient in research, one must know language and process. During this assignment, you will familiarize yourself with research terminology as you use the terms to write your paper. Prepare a 1,050 to
asked by Steph 
business
In what type(s) of culture would an egalitarian leader thrive best?
asked by nana 
Physics
Is the average speed equal to the magnitude of the average velocity?
asked by Sean 
algebra
The sum of two consecutive integers is between 5 and 9. What are the two integers? Tell the two numbers only
asked by Joshua 
english
What effect does lacking personal responsibility have on materialism?
asked by kate 
need help
i'm in the 4th grade i need a socialstudy project to do rightnow i cant seam to think of anything can you help me please and thankyou
asked by brittany 
biology
For lunch, Jane Doe consumed the following: a turkey sandwich on whole wheat bread with mayonnaise, lettuce, and tomato; potato chips; and apple juice. (1) Trace the path of digestion through Jane from beginning to end.
asked by Anonymous 
Math
3B+6=60, what is the value of B
asked by Billy 
physics
Two blocks of masses M and 3M are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and the blocks are pushed together with the spring between them as shown in the figure below. A cord initially holding the blocks
asked by Jackie 
ECONOMICS
suppose that DVD player producers find that they are selling more DVD players at the same price than they did 2 years ago. is it a shift of demand curve or a movement along the demand curve? suggest at least four reasons why this rise in sales at an
asked by cheza 
geometry
A triangle has two angles that have measures of 22.5 degrees and 101 degrees. a. Find the measure of the third angle. b. Classify the triangle by its angle measures.
asked by shane 
chemistry
which solution formed only by gases
asked by Anonymous 
physics
how many electrons must be removed from each of the two 5kg copper spheres to make the electric force of repulsion between them equal in magnitude to the gravitational attraction between them?
asked by gyro 
Math
x/4  3x/2 = 1/2
asked by Please help!!! 
algebra
x/4
asked by Joshua 
physics
In a diagram of electric field lines, q1 has 9 lines going into it and q2 has 27 lines going out of it. If one of the charges is 40 mC, which of the following could be the other one?
asked by Anonymous 
AP Chem
For the system CO(g) + H2O(g)CO2(g) + H2(g) Kp is 1.6 at 900 K. If 0.400 atm CO(g) and 0.400 atm H2O(g) are combined in a sealed flask, what is the equilibrium partial pressure of CO2(g)?
asked by Andrew 
Finance
A bond has a 10% coupon rate, a par value of $1,000 and a market price of $800. What is the current yield of this bond?
asked by tammy 
Physical science
Calculating the total energy required to break NH3 bond?
asked by Bucie 
Physics
A ball is thrown vertically upwards with an initial velocity of 27.0 m/s. Neglecting air resistance, how long is the ball in the air?
asked by Megan 
maths
the area of the union of squares with side 1cm whose centre lies on a fixed square with side 1cm is equal to what ?.
asked by setu 
biology
a biologist prepared a strip of agar (a gelatin like substance) as shown in the figure below. at position 7, he placed a concentrated sample of amino acid A and at position 1, a concentrated sample of enzyme E. E is known to catalyze the conversion of A
asked by jessica cook 
Physics
One of the fastest recorded pitches majorleague baseball, thrown by Nolan Ryan in 1974, was clocked at 100.8 mi/hr. If a pitch were thrown horizontally with this velocity, how far would the ball fall vertically by the time it reached home plate 60.0 ft
asked by Megan 
English
Can you please check if everything is OK? I included your suggestions.Thank you so much. 1)I think you should use a Paracetamol suppository every 8 hours and stay in bed until the doctor comes. 2)I think you should take a dose of antiinflammatory after
asked by Franco 
AP Calculus
The wind chill is the temperature, in degrees Fahrenheit, a human feels based on the air temperature, in degrees Fahrenheit, and the wind velocity (v), in miles per hour (mph). If the air temperature is 32degrees Fahrenheit, then the wind chill is given by
asked by Leannna 
HEALTHCAREFINANCE
A HOSPITALREPORTED NETINCOMEFOR 2007 OF 2.4 MILLION ON TOTALREVENUES OF 30.MILLION.HAD A DEPRECIATION EXPESENETOTAL OF 1 MILLION SO WHAT IS THE TOTAL EXPENSE FOR2007?
asked by PATTY 
Geometry check my answer?
Small Pizza radius 6 in. cost $9.75 Medium radius 8in cost $12 Largediameter 20 in cost $16.50 The edge is stuffed with cheese, and its the best part of the pizza/ What size has the most pizza edge pr dollar? what is the circumference of this pizza?
asked by Skye 
Trigonometry
Express the following in radians: f.1025degrees. > (pi/180)*1025 = 185pi/36 Is that correct or theirs another way to do it ??
asked by Anon 
geometry
The area of a rectangle is given by A = x2 + 4x – 5. Find the value of x if the total area of the rectangle is equal to 7 square units.
asked by Anonymous 
algebra
Given the function G(v)=5v+7, find each of the following, G(2)=, G(7)=, G(6.5)=
asked by TRISHA 
physics
Can you help me with this one also? I know how to do it with 3 vectors but I can't seem to draw it with 4 vectors. The magnitudes of the four displacement vectors shown in the drawing are A=16.0 m, B=11.0 m, C=12.0 m, and D=26.0 m. Determine the (1)
asked by Brittany 
social studies
identify five ways to develop human resources
asked by jamal 
Math
Mrs.Miller travels 60 mi roundtrip to work.She workds 5 days a week. Her car gets about 25 mi/gal of gasoline.. About how many gallons of gasoline does MrsMillers car use during her weekly commute?
asked by Taylor 
Algebra
If it takes Mary 45 minutes to basic cleaning of her house, and it takes her daughter 65 minutes to do the same basic cleaning, then how many minutes will it take for them to clean together? Can I please get help with ho to set the equation up?
asked by Anonymous 
HISTORY
I believe that the boundaries I created for nations of the Middle East would be a force for cooperation rather than conflict because...
asked by Anya 
Maths
If a marble of radius 2.1 cm is put into a cylindrical cup of radius 6cm and height 8cm, then how much water flows out of it.?
asked by Riya 
Physics
A ball is thrown vertically upwards with an initial velocity of 27.0 m/s. Neglecting air resistance, how long is the ball in the air?
asked by Megan 
Chemistry
In a 100g sample of water, determine the amount of weight that is attributed to Hydrogen and to Oxygen. i found the mass ratio which is 2:16 & then reduced its 1:8. then i set up my equation. 1x+8x=100g 9x=100g x=11.11111111 or 100/9 then i have to
asked by lisa 
Algebra
The function h is defined by h(x) . 6+x/4+2x Find h(2x)
asked by Rachal 
MATH
Dan, Fran, and Stan have 194 cards. Dan has 24 less than Fran, and Stan has 35 more than Fran. How many do each of them have?
asked by Tyler 
Chem Dr. Bob!
Posted by Rachel on Thursday, January 20, 2011 at 3:57pm. Does anyone know where I can get an image of the valence bond model for maleic acid? ie. showing the pi and sigma bonds and indicating the hybridization (sp2, sp3.. ) OR could someone describe these
asked by Rachel 
Chemistry
If 12.90 mL of a 18.2 Weight% solution of sodium chloride is diluted to a final volume of 3.00 liters, what is the Molar concentration of the diluted solution? The density of the original solution is 1.12 g/mL.
asked by Danielle 
math 12
In a population of 328 snakes at a zoo, it is known that 162 are female. A scientist selected 50 snakes at random to run some tests. What is the probability that the scientist will select at least 30 female snakes?
asked by kitkat 
College Chemistry
1. From data below, calculate the total heat (in J) associated with the conversion of 0.514 mol ethanol gas (C2H6O) at 451°C and 1 atm to liquid ethanol at 25.0°C and 1 atm. (Pay attention to the sign of the heat.) Boiling point at 1 atm 78.5°C cgas
asked by Arian 
math
1/2 to the power of x = 1152 what is "x" in this situation? please help!
asked by curious student 
math 12
In his best year, Mickey Mantles batting average was o.365. In that year, what was the probability that he would get exactly 5 hits in 15 times at bat? Compare the results from the normal approximation with the results from a calculation using a binomial
asked by kitkat 
College Macroeconomics
Can someone who knows Macroeconomics check this? Write Positive or Normative for each statement below. Taxes are too high. (Normative) If taxes were lower, government revenues would actually increase. (Normative) It is immoral for a government to
asked by Betty 
Calculus
The region between the graphs of x=y^2 and x=4y is rotated around the line y=4. The volume of the resulting solid is how so i solve?
asked by anonymous 
PreCalculus
A window has the shape of a square surmounted by an isosceles triangle. The sides of the square are length x. The The perimeter of the window is 90 inches. Thus, the perimeter of the triangle is x+2y. So, 90 inches = 3x+2y. (a) Write an equation for the
asked by SpencerCH 
Calculus
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. x=4y^2, y=1, x=0 about the yaxis
asked by anonymous 
math
3 10 ____ = ____ x5 x+2
asked by Roy 
chemistry
What volume of a 3.00 M KI stock solution would you use to make 0.270 L of a 1.25 M KI solution?
asked by Nikki 
elementary chemistry
Calculate the concentration in micrograms per liter: 0.001000 N Ca^2+
asked by Laury 
Calculus
Find the volume of the solid formed by rotating the region enclosed by x=0, x=1, y=0, y=5+x^6 about the xaxis.
asked by anonymous 
com/155
I think I found all the errors. What do you think?
asked by student 
algebra
A piece of cable 8.5 cm long weighs 52 grams. What will a 10cm length of the same cable weigh?
asked by Anonymous 
RE
how do i draw a film poster of joseph to moses....
asked by claire 
algebra
Mason starts walking from home at 3.7 mph. Ema leaves to follow Mason 48 minutes later walking at 4.1 mph. How long will it take Ema to catch up to Mason?
asked by Emilee :( 
Math Grade 12 college
250(1.03)^n=400 solve for n
asked by Alex 
Physics
A ball is thrown directly downward, with an initial speed of 6.10 m/s, from a height of 31.0 m. After what interval does the ball strike the ground?
asked by Megan 
Language Arts
I have to find a metaphor in the book A Christmas Carol by Charles Dickens. The only metaphors I have found are 'darkness is cheap' and 'woe is me.' Which one makes the most sense (to be a metaphor)?
asked by Anonymous 
trigonometry
using the law of sines, solve the rest of the triangle: side C=14 side B=4 angle c=145 degrees i got angle b= 9.4 angle a=25.6 side A=10.4 but i didn't know if it was correct
asked by hw 
math fractions
how do you get from 3/32 to 3/16 ?
asked by curious student 
Physics
Two bullets have masses of 4.6 g and 11 g, respectively. Each is fired with a speed of 41.0 m/s. a) What is the kinetic energy of the first bullet? Answer in units of J.
asked by Sangita 
algebra
3/x5=10/x+2
asked by Roy 
math
There are 1o patients in the hospital. Nine of them need the same medication. If the medicine bottle is 3/4 full, how much will each patient get from the bottle if divided equally?
asked by Jamie 
science
I need a website on elements and dont
asked by john 
college algebra
how do i solve 85/x=2+3/x
asked by Tonya 
calculus
A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 44¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a
asked by Anonymous 
math
During one school year, Billy Bob earned $25 for each Math test he passed and was ined $50 for each Math test he failed. By the end of the school year, Billy Bob passes 7 times as many Math tests as he failed and he had a total of $375. How many tests did
asked by Anonymous 
Astronomy
According to Newton's second law, when the same force acts on two bodies, the body with the larger mass will have the ________ acceleration.
asked by Marie 
Physics
A ball is thrown directly downward, with an initial speed of 6.10 m/s, from a height of 31.0 m. After what interval does the ball strike the ground?
asked by Megan 
geography
Does the prime Meridian pass through the North or South Pole? I put it does not pass through either the North or South Pole. My teacher marked it wrong and said it passes through both. Can you please let me know if I am right and give me a web sight I can
asked by Reed 
chemistry
A man consumes 50,000J of heat in doing his work out activities. A serving of his food provides him with 25,000J of energy. Interpret the energy values in terms of first law of thermodynamics.
asked by jaycab 
Physics
A peregrine falcon dives at a pigeon. The falcon starts downward from rest and falls with freefall acceleration. If the pigeon is 82.8 m below the initial position of the falcon, how long does it take the falcon to reach the pigeon? Assume that the pigeon
asked by Megan 
Chemistry
When an unknown substance weighing 2.386g is heated for 5 minutes and cooled to room temperature, it's new weight is 3.183g. No smoke rose for the sample while it was heated and it turned from white to a slight yellow. Were the students performing this
asked by Mogran 
Math
1. (square rt. 5) +(square rt. 25) = 2. If y=x^2 +2x +k passes through the point (1,2), then k = 3. If F(x) = 1 +3x^2, where X cannot be 0, then F(x+2)F(2)/(x) =
asked by Anonymous 
chemistry
Calculate the change in internal energy of the system in a process for which 100J of heat is absorbed by the system from surroundings and does 85J of work. (I want to learn the solution on how to calculate it... pls. help thank you... )
asked by jaycab 
physics
Calculate the maximum height using the initial speed, halftime, and angle. The initial speeed is 18m/s, half time is 1.8, and the angle is 75. And how is this written out to solve.
asked by Anonymous 
calculus
A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 44¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a
asked by Anonymous 
chemistry
A system performs 120J work with no heat supplied to it. Calculate the change in internal energy of the system.
asked by jaycab 
calculus
A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 44¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a
asked by Anonymous 
chemistry
50J of energy is transferred as work is done on the system. 30J of heat is also absorbed by the system. Calculate the change in internal energy.
asked by jaycab 
math
solve the system 3x6y=5 and 2y=4x6 using substitution method.
asked by agnes 
com155
• Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. • Bold each adverb (even the ones you are not counting as your original five, so that all adverbs are bolded in
asked by Anonymous 
Calcslopes & concavity
1. Let f(x)=x^33x+2 a.) Find the equation of the line tangent to the graph of y=f(x) at x=2 b.) For what values of x is the function increasing? c.) For what values of x is the graph concave down?
asked by Andy 
Math
Find an equation of the line that passes through the point (3,10) and is parallel to the line x3y=1
asked by Jamie 
Science
For science class, we had to do a lab that involved parachuting eggs off a third floor window of our school. This lab would help us learn the forces of gravity, friction, and air resistence. We were supposed to construct a parachute that would make our egg
asked by Danielle 
calculus
find the volume generated by the boundaries y=x^3+1 , xaxis , x=1 , x=2 revolved about yaxis
asked by nicko 
COM/155
I believe I have found all the mistakes. What do you think? Identify Twenty Errors in the Passage Below Review the passage below, which contains 20 errors. Identify these errors by marking each of the errors in bold, and make your correction in parentheses
asked by student 
Social St.!!!ASAP!!!!
Was the power of the states reduced or strengthened by articale 3 ??????
asked by Sumaiya 
INEQUATIONS
X120
asked by KILECEYA 
Physics
A 300 g oscillator has a speed of 95.4 cm/s when its displacement is 3.00 cm and 71.4 cm/s when its displacement is 6.00 cm. What is the oscillator's maximum speed? Thank you!
asked by Sarah 
Algebra
If it takes Mary 45 minutes to basic cleaning of her house, and it takes her daughter 65 minutes to do the same basic cleaning, then how many minutes will it take for them to clean together? Can I please get help with ho to set the equation up?
asked by Anonymous 
Math
The solution set of the equation (absolute value 24x )=12 is
asked by Anonymous 
History
what type of poverty occured in the early middle ages?
asked by Anonymous 
Precalculus
Describe in detail the four ways in which you can translate/move a function. Be specific and give examples.
asked by JJ (someone please help) 
chemistry
What does sulfur water, sodium bicarbonate and citric acid yield? Is the sulfur smell H2S and/or in any SO2 given off?
asked by ann 
mathematics
find value of tan44degrees using integrals
asked by rajni 
nutrition
arguments being raised by the Grocery Manufacturers of America
asked by john 
us history
I need help with finding the defintions to a word.
asked by Beyonca 
physics
what are vectors? and how do you us them. for example, i don't understand vector addition.
asked by vectors? 
coordinate geometry
the three points g(4,0) ,h(h,6) and i(7,1) are such that gh is twice as long as gi .calculate the two possible values of h.
asked by muna 
Government
Why would the new states wanted a weak government?
asked by Alex 
physics
calculate the range of the projectile using the initial speed and angle. use 9.8m/s. Initial speed 18m/s and the is 75 degrees. I came up with 8.29 is that right
asked by Anonymous 
Science
Help find the mystery phrase. We are studying the Earth and were not given anything except letters. They are: RORPSPNGLOADEEASI. Please help!!!
asked by Anonymous 
Chemistry Help Please!
A kilogram of aluminum metal and a kilogram of water are each warmed to 75 oC and placed in two identical insulated containers. One hour later, the two containers are opened and the temperature of each substance is measured. The aluminum has cooled to 35
asked by John 
english
predicate?
asked by Anonymous 
MATH
eighty six tenth
asked by SHAE 
6th grade math
Is the answer to G  2 2/5 = 5 4/5 G = 7 6/5 ?
asked by Suzanne 
Composition
Looking for guidance. Below are two paragraphs I wrote concerning how interest rates affect our purchasing. The first sentence in each I have identified as my topic sentence. I question if the major points are stated clearly; are supported by specific
asked by Jim 
social studies
Why do you think the number of people who would represent each state in congress was so important to the delegates?
asked by Alex 
college algebra
xy=3 i need to graph the linear equation and i need 3 plots. please help
asked by someone 
chemistry
How many grams are in one milliliter?
asked by zach 
physics
Points A and B move along two adjacent parallel paths. Initially A is 100 ft to the left of B, and each point has a velocity of 5 fps to the right. the velocity of A remains constant and the acceleration of B is 2 fps2 to the left. Determine the total
asked by john 
HIT
Choose an ethical approach and explain the steps one should take when a supervisor asks one to perform a lawful, but immoral act
asked by Jale 
math
If cos θ = 2/3 and 270° < θ < 360° then determine the exact value of 1/cot
asked by holly 
HIT
Contrast utilitarian and deontological approaches to a dilemma involving a potential employee liberally enhancing (lying on) her resume.
asked by Jale 
math
Solve For x: x^28x=20
asked by Anthony 
Algebra
I need help finding the the indicated outputs for f(x)=4x^5x f(0) f(1) f(2)
asked by Kimi 
business
With respect to Arthur Andersen, a large and wellknown public accounting and consulting firm, the Legal Briefcase box, "Paying the Price" explains
asked by Anonymous 
ordering numbers fractions
find equivalent fractions with a common denominator and order from least to greatest 3/42,5/6,7/21?
asked by yezennia 
chemistry
calculate and compare the average gas phase translational energies and rms speeds of HE gas and H2 gas at 20 degrees celsius
asked by brandie 
Grade 12 math
Formula T= L+F/S T= time it takes to download file L= latency F= file size s= average speed of the connection Use formula to determine the Latency for a 113kb file that downloads in 4.4s at an average speed of 43 kb/s?
asked by Alex 
Physics
Two movers push horizontally on a refrigerator. One pushes due north with a force of 150 N and the other pushes due east with a force of 200 N. (a) Find the direction and magnitude of the resultant force on the refrigerator. (b)Show that the result of the
asked by Tezara 
math
In 2001, Windsor, Ontario received its maximum amount of sunlight, 15.28 hrs, on June 21, and its least amount of sunlight, 9.08 hrs on December 21. a. Due to the earth’s revolution about the sun, the hours of daylight function is periodic. Determine an
asked by me 
math
Tides are cyclical phenomena caused by the gravitational pull of the sun and the moon. On a particular retaining wall, the ocean generally reaches the 3m mark at high tide. At low tide, the water reaches the 1m mark. Assume that high tide occurs at 12:00
asked by anonymous 
geometry
how do you exolain logic with converse, inverse, and contrapositive.
asked by kaitlin 
math
solve by substitution (3/7)x + (5/9)y = 27 (1/9)x + (2/7)y = 7
asked by sus 
math
Bowser's dog food is 40% meat. How much dog food does Bowser need to eat in order to get 1 1/2 kilograms of meat? A) 3.7 kilograms B) 3.75 kilograms Thanks
asked by Payton 
Social studies
Why is the olmec culture called the mother civiliization?
asked by francy 
algebra
A dehydrated patient needs a 7.9% saline IV. Unfortunately, the hospital only has bags of 3% and 10% saline solutions. How many liters of each of these solutions should be mixed together to yield 3 liters of the desired concentration?
asked by lisa 
English
Can you help me fix this sentence, i can't word it correctly This era was struck with poverty, ...etc How can i write that there was poverty in this era..
asked by Anonymous 
Physics
A motorist drives north for 30.0 minutes at 62.0 km/h and then stops for 15.0 minutes. He then continues north, traveling 130 km in 1.90 h. (a) What is his total displacement? (b) What is his average velocity?
asked by Lyna 
English 12
In your understanding is this thesis statement clear enough? What other improvements would you make? The topic is "Theme of Overcoming struggle in the course text" Many themes are presented in: Hamlet, Death of a Salesmen, Life of Pi, the Road, and the
asked by Andy 
math
my credit card charges me 1.575% interest per month on my average daily balance this month. Average daily balance for Jan.$810. What interest will i pay for Jan.
asked by shannon 
physics
At a distance of 30 m the noise from the engine of an jet has an intensity level of 130 dB. At this level, you will be in pain and your ears will hurt. That's why this intensity is know as the "pain threshold". How far do you have to be from a jet (total
asked by Anon 
english
Write two paragraphs about how interest rates affect our purchasing decisions.
asked by cady 
PHYSICS
A harmonic wave on a string moves along the xaxis according to: î(x,t) = 5.0 (cm) sin[ (2.5m1) x  (63s1) t ] At x = 1.0 m when t = 2.2 s the speed of the oscillations on the string is closest to ... 25.2 m/s 4.55 m/s 3.15 m/s 2.27 m/s 1.67 m/s
asked by Anon 
math
radius of 4 centimeters and length of 12 centimeters, how many cubic centimeters?
asked by chris 
Pre Calc
√(x+2) 7 =√(x+9)
asked by Dan 
statistics
To display the major of a sample of college students, which graph would be the best choice?
asked by Anonymous 
chemistry
what is the density of a piece of metal that has a mass of 18g and volume of 2mL
asked by Anonymous 
Medical Information Management
Medicaid eligibility is determined by? A. National Committee for Quality Assurance B. state of residence C. health care facility D. Centers for Medicare and Medicaid my answer is B, state of residence. i cant find this anywhere in my book. however when i
asked by Jessica 
American government
Whenever Congress has a perceived need for ongoing control of an econmic activity, it has tended to create a ?
asked by Anonymous 
physics
When you push a 1.55 kg block resting on a tabletop it takes 1.85 N to start the book sliding. Once it is sliding, however, it takes only 1.5 N to keep the book moving with constant speed. what are the coefficients of static and kinetic friction between
asked by Anonymous 
chemistry
what is the volume of a piece of wood that haas a mass of 6 g and a density of 0.5 g/mL?
asked by Anonymous 
physics
;if a hoop A is made of iron & hoop B of wood are pushed at same time down to an inclined plane. find velocity of both if height of plane is 1m?
asked by aliya 
Math
5x + 4(x + 3) = 66
asked by Taylor 
math please help
. (square rt. 5) +(square rt. 25) = 2. If y=x^2 +2x +k passes through the point (1,2), then k = 3. If F(x) = 1 +3x^2, where X cannot be 0, then F(x+2)F(2)/(x) =
asked by Amy 
Chemistry
What is the pH of a one liter auqueous solution to which has been added 0.2 moles of acetic acid (CH3COOH)?
asked by Chris 
math please help
. (square rt. 5) +(square rt. 25) = 2. If y=x^2 +2x +k passes through the point (1,2), then k = 3. If F(x) = 1 +3x^2, where X cannot be 0, then F(x+2)F(2)/(x) =
asked by Anonymous 
statistics
A company is considering installing new machines to assemble its products. The company is considering two types of machines, but it will buy only one type. The company selected eight assembly workers and asked them to use these two types of machines to
asked by Jose 
statistics
A researcher wants to determine if two brands of cigarettes contain the same amount of nicotine. The data is shown in the table. With a significance level of 0.05 to that conclusion can be reached. Set the interval for a confidence of 95% Sample A: 40.3
asked by Jose 
Trigonometry
Express the following in radians: a.135degrees. > (pi/180)*135 = how can i end up with a fraction answer?? b.15degrees. > (pi/180)* 15 = same here what are the steps to do next to get a fraction answer.
asked by Anon 
Geology
How does the geothermal gradient vary with depth within the Earth?
asked by Zukii 
Math
I am having trouble figuring out how to solve these logarithms. Could someone please help! log2(log4x)=1 and solve for x and y: (1/2)^x+y= 16 logxy8=3
asked by Chloe 
Calc
The wind chill is the temperature, in degrees Fahrenheit, a human feels based on the air temperature, in degrees Fahrenheit, and the wind velocity (v), in miles per hour (mph). If the air temperature is 32degrees Fahrenheit, then the wind chill is given by
asked by Leannna 
math
The area of a rectangle is 25 sq in and the perimeter is 25 in. Find the length of the smaller side; enter answer as decimal rounded to 1 decimal place, no units (e.g., 6.0)
asked by hillary 
college math 209
simplify the following expression (x) + 4 (4 v + 2x)
asked by Anonymous 
English
Can you check these sentences for me, please? Thank you. 1) The king ruled over England from 1189 to 1199. During his absence/in his absence his younger brother became king. He was unpopular because he demanded high taxes. 2) The king was orced to sign a
asked by Franco 
social studies
Why would the new states want a weak government?
asked by Alex 
statistics
What is the difference between the height of the tallest man at 92.95" and the mean height of me at 69.6" and a stanard deviation of 2.8? How many standard deviations is that? Convert tallest man to a z score Does tall mans height meet the criterion of
asked by Help please! 
Maths
Dora and Paul have a collecttion of x marbles.Dora has x/3.What is the fraction of the marbles does Paul have?
asked by Anonymous 1 
your preciouss helpp please
how can you condense these cos^3x* cos2x^2 cos^3x+ cos2x^2 cos^3x cos2x^2 Thank you soo much
asked by Sabrina 
Math!
x/4  3x/2 = 1/2 I do not understand at all
asked by Please Help! 
Math
from a group of 14 junior and 9 senior students, determine how many committees of 8 students can be chosen if all chosen students are junior students?
asked by Amy 
Physics
A square plate of copper with 53.0 cm sides has no net charge and is placed in a region of uniform electric field of 77.0 kN/C directed perpendicularly to the plate. Find the charge density of each face of the plate.
asked by Alissa 
Math
I am having trouble figuring out how to solve these logarithms. Could someone please help! log2(log4x)=1 and solve for x and y: (1/2)^x+y= 16 logxy8=3
asked by Chloe 
math
Stuck here Question wants the correct number of significant figures. tan^1 (9/7)=?
asked by jim 
chem
A small sterling silver braclet has a mass of 76.0g and a volume of 7.33ml(by water displacement) Calculate the mass and % Ag and the mass and % Cu in the braclet. Assume the volumes to be linerly additive. density of Ag= 10.5 g/ml;density of Cu=8.96 g/ml.
asked by billy 
Math trignometry
how can you condense these cos^3x* cos2x^2 cos^3x+ cos2x^2 cos^3x cos2x^2 Thanks a lot :)
asked by Sabrina 
Finite
For this problem, assume the balls in the box are numbered 1 through 8, and that an experiment consists of randomly selecting 3 balls one after another without replacement. What probability should be assigned to the event that at least one ball has an odd
asked by Hil 
algebra
(xv)+4 (4v + 2x)
asked by Anonymous 
algebra
A dehydrated patient needs a 7.9% saline IV. Unfortunately, the hospital only has bags of 3% and 10% saline solutions. How many liters of each of these solutions should be mixed together to yield 3 liters of the desired concentration?
asked by lisa 
algebra
11b,6=b5
asked by Roy 
Geometry
A satellite in a nearly circular orbit is 2000 km above Earth's surface. The radius of Earth is approximately 6400 km. If the satellite completes its orbit in 112 hours, calculate the speed of the satellite in kilometers per hour. Please help me. I have a
asked by Skye 
Math
2/7 k  1/14 k = 3 does k= 42?
asked by Please Help! 
algebra
A dehydrated patient needs a 7.9% saline IV. Unfortunately, the hospital only has bags of 3% and 10% saline solutions. How many liters of each of these solutions should be mixed together to yield 3 liters of the desired concentration?
asked by lisa 
intermediate algebra
trying to find the equation of each line in slopeintercept form. slope 5; yintercept 1/2
asked by Bobbi 
Math
A triangle whose sides are 5, 12, and 13 inches is similar to a triangle whose longest side is 39 inches. What is the perimeter of the larger triangle?
asked by RJ 
volume
Jasmine is a manufacturing engineer who is trying to find out if she can use a 20inchby12 inch sheet of cardboard and a 15inchby16inch sheet of cardboard to make boxes with the same height and volume. Is such a pair of boxes possible? Please give
asked by carly 
Chem Dr Bob
NO(g) + CO2(g)NO2(g) + CO(g) delta H^degree sign = 100kJ Which of the following will favor the forward reaction? Why? A) add NO B) remove NO2 C) decrease the volume of the container D) raise the temperature E) add CO Not sure why the last posting didn't
asked by Joshua 
ENG 121 English Composition I
can some one tell me where my mistakes are in this essay please need my tomorrow night. (here is my paper) THE BEGANING TO MY BEGANING I decided to return to school about two years ago my reasoning for returning back to school was I seen how many of my
asked by holly 
trig
To calculate the height of a cliff, a surveyor takes the following measurements. The cliff's shadow is 12m, while at the same time a meter stick has a shadow of 2m. Draw a diagram and find the height of the cliff.
asked by Chastity 
ALGEBRA
solve for u 3u  16=5 (u  6)
asked by Anonymous 
trig
A kite is flying overhead at an angle of elevation is 28. If the kite string is 10m long, what is the horizontal that the kite is flying away from you?
asked by Chastity 
geometry
could a kite be equilateral? could a square or rhombus be a kite ? is it possible to be a kite?
asked by 000 
AP Chemistry
What is the molality of the solution when you have 48.2 % by mass KBr aqueous solution ? Show each conversion step.
asked by Alex 
Math
Harry went to collect eggs from four chicken coops. At the first coop he collected the eggs and put them in the basket.at the next coop,he doubled what he had.At the third coop, he collected 6 more but dropped and broke two on his way to the fourth coop.
asked by Lizzy 
com155
I need helping pointing out all the verbs and tenses. My education plays (present tense) a very important role in my life. It will be (future tense) a major role in my successful financial planning. I have completed (present perfect tense) a personal
asked by kelbie 
history
I have to make do a 3d affect in a shoe box of a famous black peson. I came up with marion anderson singing at the white house. How or what can I do to make the 3d affect
asked by nyia 
Physics
A car accelerates from rest to 30m/s in 10s. What is the car's acceleration?
asked by Rene 
Chemistry
Which of the following is the BEST explanation for why a catalyst speeds up a reaction? A) The catalyst increases the concentration of the products B) The catalyst decreases the total pressure in the container. C) The catalyst raises the temperature of the
asked by Howard 
Math
c  1/4c = 49.95
asked by Please Help! 
organic chemistry
What volume of physiological saline solution (90% by weight NaCl, in water) would give you a gram of salt when evaporated?
asked by tina 
media world
How have modern social media sites affected commerce? Include positive and negative examples in your answer.
asked by tone 
Finite Math
65, A drugstore sells a drug costing $85 for $112 and drug costing $175 for $238. A, If the markup policy of the drugstore is assumed to be linear, write an equation that expresses retail price R in terms of cost C (wholesale price). B, what does a store
asked by daylo 
college math 209
find the values for x and y 4x  9= 15 3x  4y = 22
asked by Anonymous 
interior decoration
what is known by elements of design
asked by Anonymous 
math
a bag contains 12 black checkers and 12 red checkers. What is the probability of choosing two red checkers?
asked by chris 
Finite Math
66, A clothing store sells a shirt clothing $20 for $33 and a jacket costing $60 for $93. A, If the makeup policy of the store is assumed to be linear, write an equation that expresses retail price R in terms of cost C (wholesale price). B, What does a
asked by daylo2 
Chemistry
An unknown salt AS x XH2O was analyzed and found to contain 16.4 percent water. If the anhydrous salt has a formula mass of 183 amu, find the water of crystallization (X) for the hydrate. I have no idea how to figure this out! HELPP PLEASE!!
asked by Mariana 
math
3p^2+4P^2=63
asked by bob 
algebra
after diving 93m below sea level, a diver rises at a rate of 6 meters per minute for 8 minutes. where is the diver in relation to the surface? i can't figure this one out 6x8=72 72 + 93= 165 but this still doesn't look right at all!!!!!!!!
asked by So lost 
Math
which of the following sums is larger and by how much? 1. 7 over Sigma 15/4(pi/10)^n 2. 11 over Sigma 17/4(4/13)^n please help me with the steps on how to figure this out! thanks
asked by Jackie 
english
1. would it be difficult to procure in the desert? 2. how might someone react if you prvoke that person? 3. what might be the subject of a profound discussion? 4. if a critic is profuse in her praise of a movie, how well did she like the movie?
asked by halley 
Math
3p^2+4P^2=63
asked by bob 
Math
3p^2+4P^2=63
asked by bob 
PreCal: Trig
The point (7,2) determines a poistion angle "t". Find the exact value of sin(t).
asked by Alex 
college math 209
simplify as much as possible y^2ã48yv^2  vã12 y^5
asked by Anonymous 
PreCal: Trig
The point (7,2) determines a position angle "t". Find the exact value of sin(t).
asked by Alex 
Chemistry...Help please!!!
A solution of acetic acid is prepared in water by adding 11.1 g of sodium acetate to a volumetric flask and bringing the volume to 1.0 L with water. The final pH is measured to be 5.25. What are the concentrations of acetate and acetic acid in solution?
asked by medina 
ENG 121 English Composition I
I need some one to look over this and tell me where my mistakes are please THE BEGANING TO MY BEGANING I decided to return to school about two years ago my reasoning for returning back to school was I seen how many of my friends and family members were
asked by Anonymous 
english
what is the strongest argument for the use of discretion in doing out punishment. Malcolm Gladwell, No Mercy
asked by kyshia 
Geometry check my answer?
Wilbur Wrong is flying his remote control plane in a circle with a radius of 28 meters. His brother clocks the plane at 16 seconds per revolution. What is the speed of the plane? Express your answer in meters per second. The brothers may be wrong, but you
asked by Skye 
english
7. Which of these sentences is correct or illustrates the best style? (Points : 1) The report was thorough. Furthermore, it saved the department several hundred dollars. The report was thorough. It saved the department several hundred dollars. The report
asked by Anonymous 
finance
Pick a company that pays dividends, then calculate the expected growth rate of your company using the CAPM. Once this task is complete, calculate the expected growth rate using the Constant Growth (or Gordon Growth) Model.
asked by stephanie 
Bob Pursley/ Dr.Bob!!!! please help!!!!! CHem!!!!
What is the molality of the solution when you have 48.2 % by mass KBr aqueous solution ? Show each conversion step
asked by Alex 
Algebra
(ax)/(bx)=c/(xb) How do i go about solving this?
asked by Anonymous 
Calc
A rectangular box, with a square base and open at the top is to be constructed. If the volume of the box needs to be 108 cubic feet, what is the minimum surface area?
asked by Erica 
Pre algebra
3(4x+3)+4(6X+1)=43 Need to solve
asked by Paige 
MATH
Factorize the following : x4x26 HELP!!!!!!
asked by CJ 
Calc
Given function f defined by f(x) = ( 1 x)³. What are all values of c, in the closed interval [0,3], that satisfy the conditions of the Mean Value Theorem?
asked by Erica 
english (cont.)
1. if you receive lamentable news, how do you feel? 2. what might cause a person with a normally rosy complexion to suddenly look sallow? 3. if you need film for you camera, where might you try to procure it?
asked by halley 
MATH
Find the value of n n4=16 n=? 6n=216 n=? 5n=625 n=? 11n=1331 n= can someone help me do this?
asked by JEN_ 
PreCalc
√(X+10) + √(X6) = 8 Help would be greatly appreciated! Thanks!
asked by Laura 
SCIENCE
What are floridas Resources? they don't only have 2 be natural? GRACIAS
asked by RESOURCES101 
Math
A rectangular room has a perimeter of 94 and area of 546. What are the dimensions of the room?
asked by Ginny 
college math 209
simplify as much as possible y^2sqrt 48yv^2  vsqrt 12 y^5
asked by Anonymous 
english
• Use at least five adverbs and five adjectives to write a 150 to 300word review of a movie, sporting event, musical performance, or television show
asked by heather 
Chemistry
If the equilibirium reaction is 2 03(g) 3 O2 9(g) is first order with respect to ozone, what type of plot( meaning what is plotted on the y axis vs what is plotted on the xaxis) will yield a straight line? what will the slope of the line represent? PLEASE
asked by Amber 
Math
how can you condense these cos^3x* cos2x^2 cos^3x cos2x^2 Thanks a lot :)
asked by Ruby 
social studies
i need a list og lanformations in weirton wv or near weirton wv
asked by caitlyn 
math (surface area)
i know the formula of a rectangles surface area is SA= 2(lw)+(wh)+(lh), but when the dimensions are : 2a for the height, a for the width, and 3a for the length, how do i solve?
asked by aleasha 
physics
Two blocks of masses M and 3M are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and the blocks are pushed together with the spring between them as shown in the figure below. A cord initially holding the blocks
asked by Jackie 
Math
Show the two lines (x/21/2)=(y/32/3)=(z/43/4) and (x/54/5)=z intersect.find the point of intersection of these lines
asked by Gunjan kumar 
Physics
A very large, thin, flat plate of aluminum of area A has a total charge Q uniformly distributed over its surfaces. Assuming the same charge is spread uniformly over the upper surface of an otherwise identical glass plate, compare the electric fields just
asked by Alissa 
science
how many different elements are bonded to carbon in the molecule of luminol?
asked by megan 
geometry
si quiero poner 5 litros de agua en una piramide cuadrangular cuanto debe de medir ?
asked by ale 
math (area&perimeter)
the demensions of a rectangle are 5y for the height, and 7y4 for the length. the question i need help with is asking me to simplify the equation for the perimeter and the area of this figure.
asked by aleasha 
MATH
Factorize the following : x4x26 HELP!!!!!!
asked by CJ 
AP Chemistry
calculate the molar volume (volume of 1.0 mole) of an ideal gas at 1.0 atm and 25 degrees celsius
asked by brenda 
algebra
solve for, where u is a real number sqrt 9u  10 = sqrt 5u + 16
asked by lisa 
British Literature
I need help in identifying the figure of speech in the following statement: "Your reason, dear venom, give thy reason." Any ideas?
asked by Anna 
Chemistry
In a 100g sample of water, determine the amount of weight that is attributed to Hydrogen and to Oxygen. i found the mass ratio which is 2:16 & then reduced its 1:8. then i set up my equation. 1x+8x=100g 9x=100g x=11.11111111 or 100/9 then i have to
asked by lisa 
Managerial Acct
The owners have invested $2,000,000 in the company and feel that they should be earning at least 2% per month on these funds. If the absorption costing approach to pricing were used, what would be the target selling price based on the current sales of
asked by Cedreana 
personal
How much would an investor with a 12% required return be willing to invest in a project that will provide a cash flow of $2M every year for five years, five years from now, i.e. in years 6,7,8,9 and 10.
asked by Anonymous 
college algebra
use only positive exponents in answer 2u^9 x^7 y^4 * 7u^9 * 3y^1 x
asked by Anonymous 
physical
At a distance of 30 m the noise from the engine of an jet has an intensity level of 130 dB. At this level, you will be in pain and your ears will hurt. That's why this intensity is know as the "pain threshold". How far do you have to be from a jet (total
asked by Anon