Questions Asked on
June 29, 2015

Physics 2
calculate the final temperature of a 400g of water at 80 degree celsius if it is poured into a 100g pot at 30 degree celsius. note: c of pot is 840 J/kg degree celsius.
asked by Kaye 
calc
Find the area of the region bounded by the curves y equals the inverse sine of x divided by 4, y = 0, and x = 4 obtained by integrating with respect to y. Your work must include the definite integral and the antiderivative.
asked by Anonymous 
math/algebra
why did the kangaroo see a psychiatrist?
asked by nick 
English
I need help writing a résume and cover page. Here's the assignment:Write a letter to the address below. You are responding to an advertisement from the Willamette Company for a job opening as an office assistant. You did some research and learned that the
asked by crissy 
Chemistry
When heated to 350. ∘C at 0.950 atm, ammonium nitrate decomposes to produce nitrogen, water, and oxygen gases: 2NH4NO3(s)→Δ2N2(g)+4H2O(g)+O2(g) Using the ideal gas law equation, calculate the volume, in liters, of water vapor produced when 21.8 g of
asked by Telimm 
Calculus
A rectangular page is to contain 72 square inches of print. The page has to have a 4 inch margin on top and at the bottom and a 2 inch margin on each side. Find the dimensions of the page that minimize the amount of paper used.
asked by Uri 
Algebra
In 2009, a diabetic express company charged $39.95 for a vial of type A insulin and $30.34 for a vial of type B insulin. If a total of $1747.64 was collected for 50 vials of insulin, how many vials of each type were sold?
asked by Chad 
Chemistry
Consider the reaction: 2Mg + O2 > 2MgO The reaction is at equilibrium, the concentration of MgO is found to be 0.5. What is the concentration of Mg and O2?  Keq is not given... using the ICE
asked by Annie 
math
What is the volume of a regular pyramid having a base area of 24 square inches and height of 6 in
asked by tony 
Chemistry
Copper and lead had different densities. Sketch a diagram at the particular nature of matter level showing the atoms of a small cross section of copper and lead. Use this diagram to explain why lead is denser than copper. I couldn't find any pictures or
asked by Anonymous 
PSYCH
In algebra class Stan was a low performer, however, to build his selfesteem he approached the new student in class and informed the student he had the highest score in the class and to contact him if the student needed assistance. What type of systematic
asked by MAE 
History
"We are here... this evening because we are tired now. And we are determined here in Montgomery to work and fight until justice runs down like water, and righteousness like a mighty stream. There is never a time in our American democracy that we must ever
asked by Amy 
Organic Chemistry
Please help! Thank you! Alcohols can act either as weak acids or as weak bases, just as water can. Show the reaction of methyl alcohol, CH3OH, with a strong base such as Na+ NH2
asked by Anonymous 
Cycle geometry
An interior angle of a regular convex polygon is 162(degrees). Find the number of sides.
asked by Christopher 
impoving writting
Email.is quick, Texting is convenient. Facebook has photos, videos and games. But for all the fancy, multimedia modes of communication out there, nothing beats the thrill of opening the mailbox and finding a personnel letter, written and addressed to you.
asked by yogita 
Algebra
A store mixes red fescue worth $10 per pound and ryegrass worth $13 per pound. The mixture is to sell for $12 per pound. Find how much of each should be used to make a 120 pound mixture.
asked by Chad 
Algebra
One canned juice drink is 15% orange juice another is 5% orange juice. How many liters of each should be mixed together in order to get 10L that is 12% orange juice?
asked by Chad 
algebra
Susan is on her way home in her car. She has driven 24 miles so far, which is onehalf of the way home. What is the total length of her drive?
asked by jeff 
Chemistry
How come lead is denser than copper though more copper atoms can fit into a same size cube than lead atoms can?
asked by Joey 
PSYCH
Jane suffers from Panic Disorder. What Axis of the DSM would this disorder present on? A. Axis II B. Axis III C. Axis I D. Axis IV is A the right answer?
asked by MAE 
chemistry
10.5 g sample of copper metal at 25.0°C is heated by the addition of 150.0 J of energy. The final temperature of the copper is _____°C. The specific heat capacity of copper is 0.38 J/ goC.
asked by jennifer 
calc
An object has a constant acceleration of 30 ft/sec2, an initial velocity of −10 ft/sec, and an initial position of 4 ft. Find the position function, s(t), describing the motion of the object.
asked by Anonymous 
Algebra
Solve using the substitution method. 5x + y = 16 9x + 13y = 60
asked by Chad 
Physics
A motorcyclist who is moving along an xaxis has an acceleration given by a=(6.602.29t) for 0 >= t = t
asked by Jessica 
Chemistry
472 mL of H2 was collected over water when 1.256g Zn reacted with excess HCl. The atmospheric pressure during the experiment was 754 mmHg and the temp was 26C. What is the pressure in atm of the dry hydrogen gas in the mixture. I don't know how to answer
asked by Stan 
History
Which statement BEST distinguishes the Viet Cong from the North Vietnamese Army? A) The North Vietnamese Army fought beside the allied forces, while the Viet Cong fought against the allied forces. B) The North Vietnamese Army represented the political
asked by Amy 
Science
What are the reasons why human being is considered the most intelligent animal in the whole universe?
asked by Emma 
Science
What are the reasons why human being is considered the most intelligent animal in the earth?
asked by Emma 
physics
A child pushes a merrygoround with a force of 80.0 N at an angle tangent to the circle (that is, perpendicular to a radius). If the child pushes it through exactly one full circle, and the merrygoround has a radius of 1.15 m, how much work does she do?
asked by chad 
physics
A solid uniform cylinder of mass 4.6 kg and radius 0.051 m rolls without slipping at a speed of 0.78 m/s. What is the cylinder’s total kinetic energy? please show some work so that I can learn from it.
asked by chad 
math
f(t) = \int_0^t \frac{x^2+11 x+24}{ 1+\cos^2(x)} dx At what value of t does the local max of f(t) occur? t = ?
asked by Anonymous 
PSYCH
In which theory is it of utmost importance that an infant develops a relationship with at least one primary caregiver for both social and emotional development to happen properly? A. Attachment theory B. Culture C. Persistence model D. Erikson’s Stages
asked by MAE 
science 207
4. What can be done to prevent mine drainage from damaging the ecosystem? Utilize at least one scholarly resource to support your suggestions.
asked by Lisa 
PSYCH
Birth is a major adjustment for the infant as he/she leaves the familiar environment of the womb and takes his/her place in the world. Naming a baby is a part of this birth process. Being born and naming a child is considered: A. means of access. B. check
asked by MAE 
Business
As a Christian, do you see tithing as a requirement? Should it be 10%?
asked by Janice 
Ethics & Social Responsibilities
What is the difference between physicianassisted suicide (PAS) and euthanasia? (Points : 1) During PAS, patients end their own lives; during euthanasia, the doctor ends patients’ lives. During PAS, the doctor ends the patients’ lives; during
asked by Anonymous 
Ethics & Social Responsibilities
What is the difference between RU486 and “Plan B”? (Points : 1) RU486 cannot prevent pregnancies that have already occurred while “Plan B” can. RU486 prevents eggs from fertilizing while “Plan B” works to destroy the embryo. RU486 and “Plan
asked by Anonymous 
calc
The slope of the tangent line to a curve at any point (x, y) on the curve is x divided by y. What is the equation of the curve if (3, 1) is a point on the curve?
asked by Anonymous 
Mah
Adam has 4 dimes, 4 quarters and 4 nickels in his pocket. He pulls out 2 coins making sure to put the first one back in his pocket before picking the second. What are the odds that he pulls out 2 nickels? A. 1/3 B. 1/9 C. 1/16 D. 1/81
asked by Anonymous 
health screening ,testing,and evaluation/preparing
what is the numberone disablitiy for people under the age of forty five a.back injury my answer is a
asked by susue 
Chemistry Subatomic particles
Fill in the chart (Numbers correspond to each other[I.E 1 in 1st group connects with 1in 2nd]) Subatomic particle found 1.Proton 2.Neutron 3.Electron Scientist 1.Rutherford 2.Chadwick 3.Thomson Experiment 1.Gold Foil Experiment? 2.? 3.Cathode Ray Tube Data
asked by Joey 
Math
Andrea has 6 blue shirts, 2 red shirts, and 5 green shirts in her closet. What is the probability that she will randomly pick out a red shirt on Monday and a green shirt on Tuesday after putting the red shirt in the laundry? A. 7/25 B. 5/78 C. 7/156 D. 2/5
asked by Anonymous 
Chemistry Subatomic particles
What data led to the need for change in Daltons ideas?
asked by Anonymous 
Chemistry Subatomic particles
What data led to the need for change in Daltons ideas?
asked by Anonymous 
intro to business
according to the doctrine of supply, the amount ____ will increase as the ____ increases
asked by Kie 
Chemistry
A is a solution of hcl containing 7.30gdm^3 and B is a solution of X2CO3 containing 10.6gdm^3.calculate the concentration of A in Moldm^3
asked by Caleb 
math
if x represents width of rectangle & length is 4 less than 3 times the width? How would I translate this in numbers?
asked by mmv 
English
1. The south exit is close to the bus stop. 2. The south exit is close by the bus stop. 3. The south exit is near by the bus stop. 4. The south exit is nearby the bus stop. 5. The south exit is next to the bus stop. ========================= Which ones are
asked by rfvv 
Accounting
During 2015, the assets of Hilyer's Crematorium rose by $47,000 and its liabilities rose by $40,000. No additional investments were made. Assuming net income for the period is $12,000, what was the amount of withdrawals in 2015? I feel like I'm missing
asked by Wes 
math
find volume when the region bounded by the curves y = Ln(x), y = 2, and x = 1 is revolved around the line y = −2.
asked by Anonymous 
Algebra
Form a third degree polynomial function with real coefficients such that 2+i and 5 are zeros. f(x)= ?
asked by Janice 
Chemistry
Consider the reaction: 2Mg + O2 > 2MgO The reaction is at equilibrium, the concentration of MgO is found to be 0.5. What is the concentration of Mg and O2?  Keq is not given... using the ICE
asked by Annie 
Chemistry
What volume of 0.5M NaOH must be added to 50mL of .0.1M benzoic acid to make 100.0 mL of 0.05 M benzoate buffer that is pH 4.5?
asked by Kathy 
Physics
A parachutist bails out and freely falls 64.7 m. Then the parachute opens and thereafter she decelerates at 1.88 m/s2. She reaches the ground with a speed of 3.07 m/s. What is her average speed (in m/s) for the fall? I was planning on finding the time
asked by Ralph 
Chemistry
If the mole fraction of ethanol in aquas solution is 0.05 . Calculate morality of solution ? Explain it's.
asked by Awadhesh kumar 
Physics
A motorcyclist who is moving along an xaxis has an acceleration given by a=(6.472.15t) for 0 >= t = t
asked by Jake 
Physics
A model rocket is fired vertically from the ground with a constant acceleration of 44.3 m/s2 for 1.95 s at which time its fuel is exhausted. What is the maximum height (in m) reached by the rocket? Shouldn't this just be d=rt? 44.3(1.95), but I'm not
asked by Rachel 
Chemistry
What volume of 0.5M NaOH must be added to 50mL of .0.1M benzoic acid to make 100.0 mL of 0.05 M benzoate buffer that is pH 4.5?
asked by Kathys 
Nothern Cape collage
A stone with a mass of 2kg is thrown vertically upwards.it takes 5 seconds for the stone to reach the same height from which it was thrown. Determine th following:3.2.1 the volocity with which the stone was thrown
asked by Llewelyn 
mugwazeni
IAm doing grade 10 and my subject are;history ,geography and economics so I want to know what kind of work am I going to work
asked by precious 
business
hi. I need to find any Event Marketing in Asia. I can't find examples of Event Marketing Asia. What I found is Event Marketing in Europe. Your help will gladly be appreciated. thank you in advance.
asked by kiero 
business statistics
using empirical formula a company is studying the number of daily debit card purchases. THere were 20 purchases and the probability of a debit card purchase is 0.5. what is the stadnard deviation of the number of debit card purchases
asked by Anonymous 
Physics
A parachutist bails out and freely falls 59.7 m. Then the parachute opens and thereafter she decelerates at 1.60 m/s2. She reaches the ground with a speed of 3.41 m/s. What is her average speed (in m/s) for the fall?
asked by Natasha M. 
math
The income of a and b are retio 3:2and their expenditure are in the ratio 5:3 if each saves rs 2000 what is their income
asked by Anonymous 
Math
What is the order for 2/5, 9/10, 1/3, .50, .05 from least to greatest?
asked by Anonymous 
physics
a battery of three cell is series each of emf two volt and internal resistant 0.5 ohms is connected to a two ohm resistor in series with a parallel combination of 2.3 ohms resistor draw the circuit diagram and calculate effective external resistance
asked by violet 
physics
Last two problems on the homework! please help with these 2. it helps when detailed explanations are given! thanks A 2 kg ball is thrown horizontally, at 5m/s, from a height of 5 m. How fast will it be moving when it contacts the ground? A 70 kg
asked by 1 
math
If x represents width of rectangle & length is 4 less than 3 times the width? What is the width and how would you translate this into numbers? *area =? *where length is 4 less than 3 times the width *Length = x 3 *Width = x *Area = (4x3) (x) = 4x ^23x
asked by mmv 
matlab
how do you write a code that prompts the user for data points that are then put into an array
asked by Anonymous 
Math
Given ^213 x=58, find the positive value of x
asked by Christopher