Thursday
September 3, 2015

Posts by Anonymous


Total # Posts: 83,858

Biology
Breaks down proteins into polypeptides and amino acids What is the component?
July 15, 2015

biology
Activates conversion of pepsinogen to pepsin. What is the component? What is the secretion?
July 15, 2015

economics
3. Suppose that the total monthly demand for golf services is given by Q = 20 – P The marginal cost to the firm of each golfer is $1. If this demand function is based on the individual demands of 10 golfers, what is the optimal two part pricing strategy for this golf club...
July 15, 2015

Physics
The force F sub x acting on a particle is shown as a function of X. If an object starts at the origin (of a graph) moving to the right with a kinetic energy of 45.5 J, how much kinetic energy does it have at x = 3.0 m ? I have no clue how to do about solving this. Any help ...
July 15, 2015

Math
If 3 pounds of apples costs .99 how much does 2 pounds costs?
July 15, 2015

Math
What price do we charge a patient if the AWP for 300 tablets is $14.55 and we want to give the patient 30 tablets plus a 6% markup and a $3.00 dispensing fee?
July 15, 2015

Calculus Partial Derivatives
Verify that the sum of three quantities x, y, and z, whose product is a constant k, is maximum when these three quantities are equal.
July 15, 2015

Economics
quality, price, competition, substitutions
July 15, 2015

Math
You need to hire a part-time associate to work 30 hours a week in your store. You have $250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has requested to be paid $9.00 per hour. Your average part-time ...
July 15, 2015

Tobias
O darn i meant to change my name to Tobias. this is a physics question
July 14, 2015

Tobias
If a rotating disk starts from rest and ends up at 200 rpm in 4 seconds, what is the angular acceleration? How many revolutions occur during the process? If that same disk, after the power is turned off comes to rest in 20 seconds, what is the angular deceleration?
July 14, 2015

Physics
The only other bit of information is that the force Fx (represented by the y axis) is presented as a function of X
July 14, 2015

Physics
If an object starts at the origin (of a graph) moving to the right with a kinetic energy of 45.5 J, how much kinetic energy does it have at x = 3.0 m?
July 14, 2015

math
mrs.graybought some eggs.she used 1/2 of them to make tars and 1/4 of the remainder to make a cake she had 9 eggs left how many eggs did she buy?
July 14, 2015

PHYSICS
thanks for your help
July 14, 2015

PHYSICS
right on those two. doornobs: if the force is fartherest from the hinges, it takes less force to open the door. diection: always perpendiculr to radius of rotation. direction II: acceleation is along radius of rotation directed inward.
July 14, 2015

PHYSICS
Two equal forces applied to a rotating rod, one very close to the axis and one far from the axis. Which force produces the largest torque? a. the one closest to the axis b. the one furthest from the axis How would you kick a football so that id did not spin end over end? a. at...
July 14, 2015

healthcare
PowerPoint Presentation: Narrative Presentation to the Board of Trustees The Centers for Medicare & Medicaid Services (CMS) has taken on a more visible role in health care. A great deal of change has transpired to improve patient safety and implementation of additional quality...
July 14, 2015

PHYSICS
it depends on the potenial on the washer (or the total charges). Electron initial KE=1/2 m v^2 electron initial PE=qV final PE=0 final KE= total initial energy.
July 14, 2015

PHYSICS
) An electron of mass m and charge q = -e is released with an initial speed v ; from the center of the hole (at the origin) in the upward direction (along the perpendicular axis [0 the washer) experiencing no forces except repulsion by the charges on the washer. What speed ...
July 14, 2015

PHYSICS
Imagine a soap film (air-soapy water-air) of 1 l,m thickness, and refractive index of 1.5 with white light normal to the film. Which wavelengths in the optical range (400 nm to 700 nm) will appear brightest?
July 14, 2015

science
Your question is nonsense..you want probability, but you give it by saying one chance in four.... Bb x Bb= BB bb bB Bb so bb is one chance in four.
July 14, 2015

Physics
period=2PIsqrt(weight/springconstant) solve for spring constant. then weight= kx solve for x.
July 14, 2015

Physics, Eectric flux
add the charges. flux= net charge/permitivity
July 13, 2015

Psychology
Sam’s I.Q. was 105 when he was tested at age nine. When he was thirteen, he was re-tested and his I.Q. was 120. Explain the increase in I.Q. using the concepts of trends/theories and socioeconomic factors.
July 13, 2015

criminology
Cultural explanations for differences in rates of violence and victimization across racial/ethnic categories point to
July 12, 2015

Psychology 20 (HELP)
haberdasher.hubpages./hub/The-Wild-Boy-of-Aveyron Read the Ages and Stages online journal article, The Wild Boy of Aveyron. 3. What does this case study say about the relative influence of Nature (genetic inheritance) or Nurture (social environment) in terms of human ...
July 12, 2015

math
Do the following lines intersect? If yes, show the the point of intersection, if any. 5x+8y=-5 -x-1.6y=14 Can someone help me get started? Im stuck. Thanks!
July 11, 2015

Language
b
July 11, 2015

vocabulary
The couple (who were at the wedding) ordered hors d'oeuvres (from a menu, presumably).
July 11, 2015

Science
thank you so much
July 11, 2015

Calculus Partial Derivatives
Problem: Find dimensions of a box that provide the greatest volume when the length plus the girth cannot exceed six feet. I tried 2w+2h+l=6, l=6-2w-2h, but couldn't get to w=1, h=1, l=2, which is the correct answer.
July 10, 2015

Math
3/5
July 10, 2015

changing
If for a sequence (tn),sn=2n²+5n,find tn and show that the sequence is an a.p
July 10, 2015

Physics
Add the two components... Et=E1+E1=k4/20^2+k10^2/8^2 negative sign points to minus x axis, so in this case, E is to the right
July 10, 2015

physics
pressure=force/area=1.5g/.2x.26 Newtons
July 10, 2015

Maths
there will be no constant term.
July 10, 2015

Physics
Net north: 3KM net ease 3KM direction=NE magnitude: sqrt(3^2+3^2)
July 10, 2015

Physics
net north 5Km net East 12 Km distance=sum=17km displacement: sqrt(5^2+12^2) in direction arc tan (5/12) E of N
July 10, 2015

chemistry
A 250 mL sample of gas at 1.00 atm and 20oC has the temperature changed to 40oC and the volume changed to 500 mL. What is the new pressure?
July 9, 2015

Chemistry
Yeah it was a typo, there's been a lot of them on my sheet for some reason.
July 9, 2015

Chemistry
Also, if H2PO2 is tripled, how does that correspond to H2PO, since they're both different compounds? I understand how doubling OH will quadruple it in the rate, I just don't understand how the other go hand in hand.
July 9, 2015

Chemistry
If it was a qualitative question, how would the question above be reformatted to fit it?
July 9, 2015

Chemistry
The hydroxide ion reacts with the H2PO2 ion according to the following equation: OH^- + H2PO2^- > HPO2^-2 + H2 The rate law for this reaction rate is R=k[OH^-]^2[H2PO^-2]. What will be the change in the reaction rate if the H2PO2 ion concentration is doubled. What will the ...
July 9, 2015

Science
So NO will be doubled in the rate and O3 will be tripled.
July 9, 2015

Science
The rate law for the reaction NO + O2 > NO2 is R=k[NO][O2]. what will be the effect on the reaction rate if the partial pressure of NO is doubled? What will the effect be if the partial pressure of O2 is tripled? My answer: More NO2 would be produced if NO was doubled. If ...
July 9, 2015

Calculus Partial Derivatives
y=F(x+at) + f(x-at) y=F(w) + f(v) (w=x+at, v=x-at) don't see how to get from here to partial derivative y with respect to t = F"(w)a^2 + f"(v)a^2
July 9, 2015

Physics
so would it be (2)(9.0e9)(4.64)(Q)/0.707^2
July 9, 2015

statistics
u=100 and standard deviation of P=20. error between sample mean and population mean of n=16 is 5 points and error between sample mean and population mean for a sample of n=100 is 2 points. explain
July 9, 2015

Science
Given the following equation: N2 + Cl2 > @ NCL3 H=+230 kJ a) What mass of N2 would absorb 96.5 kJ of heat as it reacts? b) What volume of Cl2 at STP would be required to react with the N2 in part (a)? I do not know how to solve this problem. My mindset is that it involves ...
July 9, 2015

Chemistry
How is the enthalpy change for a reaction related to the enthalpy of the reactants and products? Is it that the enthalpy for the reactants and products equals the enthalpy change for the reaction?
July 9, 2015

physics
Charges of 4.0 µC and -6.0 µC are placed at two corners of an equilateral triangle with sides of 0.10 m. At the third corner, what is the electric field magnitude created by these two charges? (ke = 8.99 ´ 109 N·m2/C2)
July 9, 2015

English
ok, thank you so much :]
July 9, 2015

English
my assignment is to look for aticle that is related to Papa, the philosopher
July 9, 2015

English
Papa, the philosopher is a short story of Leo Buscaglia its about a boy who was descriminated for what he is ...
July 9, 2015

English
can you give me an articles about racism, bullying or etc .. that is related to Papa, The philosopher ???
July 9, 2015

Anthropolgy
Which of the following is NOT a common result of culture contact?
July 9, 2015

Physics
A particle travels along the x axis with a constant acceleration of +2.7 m/s2. At a time 4.2s following its start, it is at x = -108 m. At a time 5.7 s later it has a velocity of +13.0 m/s. Find its position at this later time. Please use kinematic equations to solve.
July 9, 2015

Physics
Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 30 m apart. The train on the left accelerates rightward at 1.17 m/s^2. The train on the right accelerates leftward at 1.1 m/s^2. (a) How far does the train on the left travel ...
July 9, 2015

Physics
Two cars are traveling along a straight road. Car A maintains a constant speed of 79 km/h and car B maintains a constant speed of 114 km/h. At t = 0, car B is 36 km behind car A. (a) How much farther will car A travel before car B overtakes it? ? km (b) How much ahead of A ...
July 8, 2015

ENG 125
What does literature offer an individual? What causes people’s perceptions regarding the value of literature to change?
July 8, 2015

Physics
I really need help with this problem and I honestly have no clue how only knowing the force and weight will help find the tension if there is no friction.
July 8, 2015

Physics
The figure is just an inclined plane with two weights, both with a mass of 10kg but labeled M1 and M2 that are attached by a string. The pully is on the top point of the inclined plane and one weight is resting on the inclined plane with the other is hanging off the top point ...
July 8, 2015

Physics
Two objects are connected by a massless string, as shown in the figure below. The incline and pulley are frictionless. (a) Find the acceleration of the objects. (Assume that positive acceleration is to the right for m1 and downward for m2. Answer using m1 for m1, m2 for m2, g ...
July 8, 2015

math
Its matrix (3 0) p-p =(-2 0) (3 0) (2 4) value of p Please show your working in matrix
July 8, 2015

math
Its matrix (3 0) p-p =(-2 0) (3 0) (2 4) value of p
July 8, 2015

ITT
A 1kg object has a potential energy of 20 J while stationary at the top of an incline. Neglecting friction, what is its speed halfway down the incline?
July 8, 2015

LIFE SCIENCES
So that people can see them
July 8, 2015

BUSINESS STUDIES
Q2.Discuss the problems that occur when universities and industry form joint ventures for research purposes.How have these problems been solved?
July 8, 2015

BUSINESS STUDIES
show diagram of marketing system
July 8, 2015

Physics
A particle moves in the xy plane with constant acceleration. At time zero, the particle is at x = 6.0 m, y = 3.0 m, and has velocity v = 4.0 m/s + -1.0 m/s . The acceleration is given by the vector a = 4.0 m/s2 + 0 m/s2 . (a) Find the velocity vector at t = 3.0 s. ?( m/s...
July 7, 2015

Calculus AB
multiply numerator and denominator by (1/x)^(3x+1) Lim ((3+2/x)/(3+4/x))^(3x+1) so as x>>inf this reduceds to ((3/3)^3x+1) and as x>>inf = 1
July 7, 2015

Chemistry-History-ish
If I were to rewrite this paragraph, should I scratch the first sentence and add it to the bottom with a bit of change in it?
July 7, 2015

Chemistry-History-ish
Describe 3 experiments, run prior to 1930, and the types of energies/particles used to probe the structure of the atom. What did each experiment investigate? Include the names of the scientists associated with each experiment in your answer Would this be right? Prior to 1930, ...
July 7, 2015

physics
A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is 6.3 m/s2; after 4.1 s he enters the main speedway. At the same instant, another car on the speedway and traveling at a constant ...
July 7, 2015

pysics
A metal box attached to a small parachute is dropped from helicopter A.explain in terms of the forces acting on why its velocity increased immediately after being dropped B.why did it reach a uniform velocity after a short distance C.the total force opposing motion of the box ...
July 7, 2015

Chemistry
Diatomic O2 can react with the element magnesium to form magnesium oxide (MgO). The balanced chemical equation is: If 4 moles of magnesium totally reacted with more than enough O2, how many moles of MgO would be expected to form?
July 7, 2015

statistics
Average is 8500 with a standard deviation. Of 1500 with a z score of -2.98 a z score of +1.00 what are the actual bonuses
July 7, 2015

chemistry
Diatomic O2 can react with the element magnesium to form magnesium oxide (MgO). The balanced chemical equation is: If 4 moles of magnesium totally reacted with more than enough O2, how many moles of MgO would be expected to form?
July 7, 2015

Calculus
Find max or min: y = x * cosx
July 7, 2015

Chemistry
630 mm Hg
July 6, 2015

Chemistry
What are the pros and cons of using the lewis structure? What I have so far is that it shows the shape of the compound.
July 6, 2015

Chemistry-Molecular models
Select a compound and explain the advantages and disadvantages of using ball-an-stick, space-filling, and lewis structure to represent compound. What I have so far: The advantages for all the models are that you can see the shape of the atoms, but unlike the ball-and-stick and...
July 5, 2015

Physics
Can you do this using a kinematic equation approach?
July 5, 2015

Chemistry
Explain how the formulas for H2O and NaCl provide different information about the composition of these two compounds. What I think: For every 1 atom of oxygen, there are 2 atoms of hydrogen. For every one atom of sodium there is one atom of chlorine.
July 5, 2015

Psy326
Random assignment
July 5, 2015

Psy326
What is a technique for reducing carryover, practice and fatigue effects that involves varying the order of presentation between participants
July 5, 2015

Math
Veronica rolls a pair of dice twice. On both rolls, the sum is 9. Are these independent events, dependent events, or neither? Explain your answer.
July 5, 2015

Macroeconomics
Suppose in an economy the nominal money supply is $ 1000, the general price level is 4 and the real output is at its full employment level of $4000. a. what is the price level and velocity of money? b. By assuming constant velocity of money, what would you expect to see the ...
July 5, 2015

Suhaib
Solve x^n by abinitio method check ur ability nw?
July 4, 2015

trigonometry
If a ladder 40 feet long is placed so as to reach a window 30 feet high,what angel does it make with the level ground,and how far is its foot from tha base of the building?
July 4, 2015

science
I dont know.
July 4, 2015

high school
what is literature?
July 3, 2015

Math equation
A rectangle has a width w that is a 5 units longer than its lengthL. Which equation expresses the rectangle's area, A?
July 3, 2015

calc
The differential equation dy dx equals the quotient of x and y squared. will have a slope field with negative slopes in quadrant I will have a slope field with positive slopes in all quadrants will produce a slope field with columns of parallel tangents
July 3, 2015

Chemistry
A helium balloon contains 0.50 g of helium. Given the molecular weight of helium is 4.0 g/mol, how many moles of helium does it contain?
July 3, 2015

Chemistry
1) Which group of elements is the least reactive? Explain why. 2) What properties distinguish metalloids from other elements? 3)Explain how to predict the charge usually observed for a monatomic ion.
July 2, 2015

Chemistry
How many GRAMS of boron are present in 3.54 moles of boron trifluoride
July 2, 2015

Math
The distance between two cities on a map is 4 inches. The actual distance between the two cities is 24 miles. What is the scale used on the map? If the scale on a different map of the same area is inch = 1 mile, how many inches separate the same two cities?
July 2, 2015

Calculus Minimum
Problem: Find minimum?maximum for: y=xa^(1/x) Ans given: X=ln(a) (min) Can't get to it.
July 2, 2015

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