Questions Asked on
July 18, 2013

physics
The greatest ocean depths on earth are found in the Marianas Trench near the Philippines, where the depth of the bottom of the trench is about 11.0 km. Calculate the pressure(atm)due to the ocean at a depth of 10.1 km, assuming sea water density is
asked by Alice 
physics
Assume that the left side of your heart creates a pressure of 114 mm Hg by exerting a force directly on the blood over an effective area of 16.0 cm2. What force does it exert to accomplish this?
asked by Amy 
Chem 2
At 25 °C only 0.0570 mol of the generic salt AB is soluble in 1.00 L of water. What is the Ksp of the salt at 25 °C?
asked by Brianna 
help chem
A 0.236g sample of carbon dioxide, CO2, has a volume of 595mL and a pressure of 455mmHg . What is the temperature, in kelvins and degrees Celsius, of the gas? what is the degrees in celsius
asked by Anonymous 
Physics
Two particles with charges +8e and 8e are initially very far apart (effectively an infinite distance apart). They are then fixed at positions that are 7.07 x 1012 m apart. What is EPEfinal  EPEinitial, which is the change in the electric potential
asked by Corinne 
chemistry
Calculate the molarity of a sodium hydroxide solution if 10.42 mL of this solution are needed to neutralize 25.00 mL of 0.2043 M oxalic acid. how do you do the working out
asked by Anonymous 
Sociology
In Chapter 2 of the textbook, the author describes meanings for the concept of socioeconomic class and analyzes how perceptions of justice may be influenced by class distinctions in American society (see Section 2.4). He also references the related views
asked by Anonymous 
math
Ted wants to make an input output table with numbers of meters as input values and numbers of centimeters as output values. What rule should Ted use for his table?
asked by sam 
trig
tan(7π/4) + tan(5π/4) Does this = 0
asked by tony 
Chemistry HW HELP
A 22.0g sample of krypton has a temperature of 21∘C at 585mmHg . What is the volume, in milliliters, of the krypton gas?
asked by Anonymous 
HELP
A volume of 18.0 L contains a mixture of 0.250 mole N2 , 0.250 mole O2 , and an unknown quantity of He. The temperature of the mixture is 0 ∘C , and the total pressure is 1.00 atm . How many grams of helium are present in the gas mixture?
asked by Anonymous 
math
evaluate without using a calculator [log(5)4 x log(2)10 ]/ [log(25)√10]
asked by Kris 
Psychology
Is this a source that you would consider a scholsrly source. Kliff, S. 2012. Seven facts about America’s mental healthcare system. The Washington Post.
asked by Diane 
Local Standards And Regulations
Sunny Smiles Day Care Center is organized as a partnership. Which one of the following business tax forms will the owners need to file 75 days after the close of the fiscal year? A. Form 990 B. Schedule C C. Form 1065 D. Form 1120 My answer is (A) can
asked by Brenna 
l.o
Which 5 ways the human or environmental problem impacts on the community?
asked by sthembiso 
alg2 check?
solve 3(8x2)=462(12x+1) 24x6=4624x+2 24x6=4824x 48x6=48 48x=42 x=42/48 or 7/8 what where the two mistakes made in the problem? I said the 46 going to 48 and subtracting the 6 from 48?
asked by tyneisha 
math
solve (2y)^2(3x^3) I totally don't get this problem. Does my answer come out with x and y ? how do I eliminate?
asked by johnathan 
physics
A 1.80 m radius playground merrygoround has a mass of 120 kg and is rotating with an angular velocity of 0.300 rev/s. What is its angular velocity after a 19.0 kg child gets onto it by grabbing its outer edge? The child is initially at rest.
asked by Eric 
chemistry please help
What is the volume in liters of 5.0moles methane gas, CH4, at 20∘C and 1.40atm ?
asked by Anonymous 
chem PLEASE HELP
A Nitrox II gas mixture for scuba diving contains oxygen gas at 50atm and nitrogen gas at 98atm . What is the total pressure, in atm, of the scuba gas mixture?
asked by Anonymous 
math
If (x+2)f(2−x)+(2x+1)f(2+x)=1 for all real values of x, then f(18)=a/b, where a and b are coprime positive integers. What is the value of a+b?
asked by andy 
socials 11
why was the expo 67 a significant moment for FrenchCanadians?
asked by alyssa 
calculus
Let V be the volume of the threedimensional structure bounded by the region 0≤z≤1−x^2−y^2. If V=a/bπ, where a and b are positive coprime integers, what is a+b?
asked by andy 
alg2 check?
Graph the system of inequalities then substitute the (x,y)order pair into both inequalities. y>3x+1 y
asked by tyneisha 
calculus
How many positive integers a (
asked by andy 
math
(X+2Y)+6X(X2Y)+8X
asked by casey 
algebra
(2XY)+7X(2XY)+10X
asked by casey 
math
1.)simplified 2x^4y/6xy^2 I got 1x4y? 2.)(8x^2)(3x^y) 18x^4y right? I ddnt know what to do with the y
asked by johnathan 
physics
A rectangular gasoline tank can hold 44.0 kg of gasoline when full. What is the depth of the tank if it is 0.400 m wide by 0.900 m long?
asked by Amy 
calculus
he volume of the solid obtained by rotating the region bounded by x=(y−2)^2 and y=x about the xaxis has the form N/2π. What is the value of N?
asked by andy 
Physics
HW9_1: AXIAL AND TRANSVERSE STRAINS  THE POISSON'S RATIO When no loads are applied, the isotropic elastic block depicted below is a cube of side L0=200 mm. When the distributed load (surface traction) q=200 MPa is applied as shown below, the side length
asked by MAN 
physics
The greatest ocean depths on earth are found in the Marianas Trench near the Philippines, where the depth of the bottom of the trench is about 11.0 km. Calculate the pressure due to the ocean at a depth of 10.1 km, assuming sea water density is constant
asked by Amy 
physics
A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel as well as by gasoline?
asked by Alice 
Chemistry
CH3CH2CHCH3 H2CrO4> ? l OH
asked by confucius 
CalculusHELP PLZ !!!!
Find the complete general solution to the second order DE: 4y''  9y = 0
asked by Elyse 
physics
A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel as well as by gasoline?
asked by Alice 
calculus (point me in the right direction please?)
Let V be the volume of the threedimensional structure bounded by the region 0≤z≤1−x^2−y^2. If V=a/bπ, where a and b are positive coprime integers, what is a+b?
asked by andy 
math
ED is wrapping 8 identicap presents. He needs 3/5m of ribbon to wrap each present. He needs an additional 1/5m of ribbon to make a bow. How much ribbon does he need to wrap and make bows for all 8 presents?
asked by sam 
english
ideas on the subject of sharing a car with a sibling.
asked by ashley 
HELP!
Is there any scholarships for high school freshman??? (any that you heard of). I live in NY. All I know is the Best Buy Scholarship and Scholastic Arts and Writing Awards. Please help and thank you! (I couldn't find much).
asked by Laruen 
physics
A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density(kg/m^3)of the full gas can, taking into account the volume occupied by steel as well as by gasoline?
asked by Alice 
physics
A 1.80 m radius playground merrygoround has a mass of 120 kg and is rotating with an angular velocity of 0.300 rev/s. What is its angular velocity(rev/s)after a 22.0 kg child gets onto it by grabbing its outer edge? The child is initially at rest.
asked by Mary 
geometry
Find the area of the quadrilateral in Exam Figure 5. Round your answer to two decimal places.
asked by g 
trig
each wheel of a bicycle is of radius is 1.1 ft. if the wheels are making 4 revoultions per second how fast is the bicycle moving
asked by vanessa 
English
Is it grammatically correct to say, "Nice meeting you?"
asked by Anonymous 
chemistry
2. If the accepted enthalpy change value for the dissolving of sodium hydroxide in water is −44.2 kilojoules per mole, determine the percent error of the experimental value that you calculated in Part I. Show your work. (experimental  actual value) /
asked by yuppp 
Calculus
Find the complete solution to the 2nd ODE: 2y''+3y'+y=t^(2)+3sin(t)
asked by Sara 
physics
A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel as well as by gasoline?
asked by Amada 
chemistry
If a student added 42.6 grams of sodium sulfite to 780.4 grams of water and determined that 3.40 grams of the new solution occupied 3.20ml, what is the weight percent, molality, and molarity of the solution produced?
asked by Sumaiyah 
Math
The third term of a geometric series is 24 and the fourth term is 36. Determine the first term and common ratio.
asked by Tom 
math
ken and mark have some ducks and pigs. when asked how many ducks and pigs they had altogether mark said there is a total of 17 heads and 42 feet. I have 3 times as many ducks as pigs. yes replied ken and we both have the same number of pigs. how many ducks
asked by lynnie 
alg2 check
a.)write the equation of the line that has a slope of 2 and a yint of 6. I don't understand if I use y=mx+b or not.how would I plug this in If im trying to get an answer?
asked by tyneisha 
Math
The number N of state and federal inmates in millions during year x, where x>2002 can be approximated by the following formula N=0.04x79.02
asked by Martin 
alg2 check
b.)write the equation of the line that passes through the point (6,2) and has a slope of 2/3. if im using y=mx+b then how would I plug in 2/3 since it is a fraction instead of a regular number?
asked by tyneisha 
physics
A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel as well as by gasoline?
asked by Charlie 
math
what type of polynomial is 5x^y? its binomial right?
asked by ashely 
chem 2
A buffer solution is made using a weak acid, HA. If the pH of the buffer is 1.0 × 101 and the ratio of A– to HA is 10, what is the pKa of HA?
asked by Brianna 
Solution Set
The Ycoordinate of the solution of the system {x+y=3 {3x+2y=19 the answer is 2 how? I've done everything to try to solve!
asked by Sara 
STATISTICS
WHAT DOES THE CENTRAL LIMIT THEOREM SAY ABOUT THE TRADITIONAL SAMPLE SIZE THAT SEPARATES A LARGE SAMPLE SIZE FROM A SMALL SAMPLE SIZE?
asked by LINDA 
chemistry
If you dilute 27.0\({\rm mL}\) of the stock solution to a final volume of 0.460\({\rm L}\) , what will be the concentration of the diluted solution?
asked by hilllary 
UIC
Calculate pCd2 at each of the following points in the titration of 55.00 mL of 0.0020 M Cd2 with 0.0020 M EDTA in the presence of the auxiliary complexing agent NH3. The solution is buffered at a pH of 11.00. Take the NH3 concentration to be a constant
asked by achut 
econmics
Topic is medical care for the aging population. My question is cutting cost through educational programs with solutions for the aging population? Help
asked by sue 
Trigonometry
The diameter of the wheel is 165 feet, it rotates at 1.5 revolutions per minute, and the bottom of the wheel is 9 feet above the ground. Find an equation that gives a passenger's height above the ground at any time t during the ride. Assume the passenger
asked by Anonymous 
hcs 440
I have to do two slide for a ppt with the topic of Medical Care for an Aging Population. My question is how are we to cut medical care cost for the elderly using educational programs.
asked by sue 
geography
Does industrialization cause global warming in Durban?Motivate your answer
asked by sthembiso 
physics
A 1.80 m radius playground merrygoround has a mass of 120 kg and is rotating with an angular velocity of 0.600 rev/s. What is its angular velocity after a 27.0 kg child gets onto it by grabbing its outer edge? The child is initially at rest.
asked by Wendy 
math
7x/7x21
asked by Anonymous 
english
to kill a mockingbird movie analysis question. 1) how does the lack of eye contact show Mayella is lying? Why is she lying? How does this show racism?How is this significant to the film? analysis further toward the so what factor. Thanks
asked by sarah 
Trigonometry
My answer: Y= 82.5 cos (4pi/3)x+91.5 (Period: 1.5=2pi/b > b= 4pi/3 ) The diameter of the wheel is 165 feet, it rotates at 1.5 revolutions per minute, and the bottom of the wheel is 9 feet above the ground. Find an equation that gives a passenger's
asked by Anonymous 
math
2( a + b ) x 4 1/2 (a + b ) =
asked by vincent 
Math
What is the cubic feet of a concrete slab 20ft x 30ft x 6" thick.
asked by Scott 
physics
A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel as well as by gasoline?
asked by Alice 
math
Let [ x ] denote the greatest integer less than or equal to x. For example, [ 3.4 ] = 3 and [ 1 ] = 1. What is the value of [ 2.3 ] + [ 2.3 ]?
asked by vincent 
math
If k = p/4, for which of the following values of p does k equal 3 ?
asked by vincent 
physics
Consider a beam as shown in the figure that is 2 m long and supported by a rope. It is pressed against the wall. There is no friction between the wall and the beam. If the beam has a mass of 2 kg and a sign with a mass of 10 kg is hung off of the end of
asked by Anonymous 
math
If y = ( x1)^2, then y 3/4 =
asked by vincent 
math
If k = 3x, and y 1/3x, then k time y would equal
asked by vincent 
maths
A composition of the number n is an ordered set of integers a1,a2,…,ak such that a1+a2+⋯+ak=n. The numbers a1,a2,…,ak are called the parts of the composition. Determine the number of compositions of 23 where each part is at least 4.
asked by kk 
math
A composition of the number n is an ordered set of integers a1,a2,…,ak such that a1+a2+⋯+ak=n. The numbers a1,a2,…,ak are called the parts of the composition. Determine the number of compositions of 23 where each part is at least 4.
asked by kk 
mathsssssssssaaaaaaaaaaaaaaaa
An ant starts a random walk on the real number line at 0. At each step, the ant moves by +1 or −1 with equal probability. After 6 moves, the probability that the ant is on a positive number can be expressed as a/b, where a and b are positive coprime
asked by shayan 
mathsddddddddddddddddddddddddddd
A composition of the number n is an ordered set of integers a1,a2,…,ak such that a1+a2+⋯+ak=n. The numbers a1,a2,…,ak are called the parts of the composition. Determine the number of compositions of 23 where each part is at least 4.
asked by shayan 
science
atomic structure
asked by Anonymous 
math
express y=0.1(1000)^x in the form lg y =mx+c ,where m and c are constants ,and x is a function of x . Determine the constants m and c and the function x .
asked by Kris 
math
Q1: If K=In a In b +In c t/bc,show that K=(ac/b)e^(t/bc). Q2:Express log(8)5 in terms of m ,where m=lg 2 Q3:Given that log (4)3 =a and log(4)5 =b ,express log(75)16 in terms of a and/or b . really don't know how to do these qns..please help ! thanks a
asked by Kris 
Hvac
3 resistors of 5 ohms,15 ohms, and 30 ohms are connected in series and placed across a 50 volt batt. Find the voltage drops acroos each resistor . And find the current through each resistor
asked by Dave 
EnglishHelp!
What is a thesis, antithesis and synthesis?
asked by Nicole 
SCIENCE,PHYSICS
A thin ring with resistance R=10 Ω and self inductance L=0.2 H rotates with constant angular speed ω=100 rad/s in an external uniform magnetic field perpendicular to the rotation axis. As a result, the magnetic flux created by the external field varies
asked by kk 
math
Use exponents to express the volume of a cube with edges of length 3y.
asked by vincent 
MATH
A Ferris wheel completes one revolution every 90 s. The cars reach a maximum of 55 m above the ground and a minimum of 5 m above the ground. The height, h, in metres, above the ground can be modeled using a sine function, where t represents time, in
asked by ROBIN 
math
Shelly delivers the weekly local paper to neighborhoods in her town. House numbers are even on one side of the street and odd on the other. Shelly delivers an equal number of papers to both sides of the street. Although she always aims for the front
asked by zach 
math
Kalil flipped a coin sixty times. He got thirtyfour heads. How does this result compare to the number of heads you would have expected based on theoretical probability?
asked by zach 
Physics
A bass guitar string produces a frequency of 460 Hz when plucked with no fingers on any of the frets. The same string is plucked again, with a finger placed halfway between the two ends. What frequency does it produce?
asked by Van 
MATH
2tan^2xtanx1=0 0
asked by ROBIN 
physics
A 33.5 kg block m1 is on a horizontal surface, connected to a 6.50 kg block m2 by a massless string. The pulley is massless and frictionless. A force of 213.7 N acts on m1 at an angle of 33.7o. The coefficient of kinetic friction between m1 and the surface
asked by Mary 
Customer service
Customers become less demanding as time passes; therefore, going the extra mile for them will not make your customer service any more valuable
asked by Anonymous 
Physics
What are some careers that relate to waves and sound? Can you give some examples of how it's used please?
asked by Van 
college statistics
I am having a bit of trouble with some of the questions. Some of the ones I put below have an answer, is there anyway you can check the answer and help me with the rest I am having trouble with. Your sociology teacher claims that 60 percent of American
asked by penelope 
CHEM
how many moles of oxygen are present in 11.0 molecules of NaClO4? AND HOW DO I WORK IT OUT
asked by JAMIE 
college statistics
I am having a bit of trouble with the top half of the questions. I have an answer below for questions 510, is there anyway you can check those answers and help me with the rest I am having trouble with. Thank you. 1. The area to the right of 1.93 under
asked by penelope 
calculus
The area bounded by the curve 2y^2=x and the line 4y=x is rotated around the yaxis. The volume of the resulting structure can be expressed as V=a/bπ, where a and b are coprime positive integers. What is the value of a+b?
asked by andy 
calculus
A 3dimensional structure is obtained from rotating the parabola y=x^2 about the yaxis. Each second, 2π units^3 of water is being poured into the structure from the top. When 8π units^3 of water has been poured in the structure, the instantaneous change
asked by andy 
calculus
How many integer values of a are there such that f(x)=x^+ax^2+8ax+25 has no local extrema?
asked by andy 
socials 11
why did tvs become so popular after the ww2?
asked by alyssa 
American Govt
What are the four trends in the modern American political economy? Identify each and use evidence from the course to provide proof of each trend in practice. Then discuss the pros and cons of each trend. Are they healthy or unhealthy developments for the
asked by Anonymous 
American Government
Explain who the Federalists and AntiFederalists were, then compare and contrast their views on the following issues: human nature, the proper scale of government, the nature of representation, separation of powers/checks and balances, the purpose of
asked by Anonymous 
alg2 check?
solve: 2x+2(x+3)=2(x+7) what I got was x=4 but I really think I calculated wrong. Can you show me the step by step process please?
asked by tyneisha 
American Government
Define and explain both political culture and public opinion. Give examples of each to clearly differentiate the two concepts. Then, explain what effect each has on or role each plays in American politics? How are they different and how are they similar?
asked by Anonymous 
American Government
What is ideology and what are the 2 basic ideologies that shape American political behavior? In other words, define ideology and explain the basic political assumptions of the 2 dominant ideologies in America. With what political group(s) or demographics
asked by Anonymous 
American Government
First, explain what civil liberties are. Then, look at the first amendment. The first amendment states “Congress shall make no law . . . abridging the freedom of speech, or the press.” In practice, however, the Supreme Court has never regarded these
asked by Anonymous 
American Government
Give an overview of the African American struggle for civil rights since the Civil War. In particular, give 2 mechanisms that were used in the South to withhold civil rights from African Americans. What did African Americans do to overcome these
asked by Anonymous