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2011
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Questions Asked on March 16, 2011

Of 10 girls in a class, 3 have blue eyes. If two girls are chosen at random, what is the probability that (i) both have blue
1. 2 answers
2. asked by Morgan
3. 4,222 views
I solved this problem, can someone check it to make sure I did it right. There are two parts to this intrepation and estimate of
1. 1 answer
2. asked by Janet
3. 2,943 views
What is the freezing point of an aqueous solution of 10.0 g of glucose (C6H12O6) in 50.0g H2O? (kf=-1.86 C/m)
1. 1 answer
2. asked by bill
3. 2,892 views
One 2.5 kg paint bucket is hanging by a massless cord from another 2.5 kg paint bucket, also hanging by a massless cord, as
1. 2 answers
2. asked by Shanniganz
3. 2,614 views
According to a recent survey, 75% of all customers will return to the same grocery store. Suppose 8 customers are selected at
1. 3 answers
2. asked by Maria B
3. 2,563 views
A) If x^2+y^3−xy^2=5, find dy/dx in terms of x and y.dy/dx=________ B) Using your answer for dy/dx, fill in the following
1. 2 answers
2. asked by Catherine
3. 2,401 views
Suppose that 25% of all wise people are nice and half of all the nice people are wise. Suppose further that 25% of all the
1. 1 answer
2. asked by Janice
3. 2,074 views
A 30.0 ball rolls around a 50.0 -diameter L-shaped track, shown in the figure, at 60.0 . What is the magnitude of the net force
1. 1 answer
2. asked by Dan
3. 1,993 views
The Earth exerts an 680 N gravitational forceon a man. What force does the man exert on the Earth? Answer in units of N
1. 1 answer
2. asked by Anonymous
3. 1,952 views
What concentration of the barium ion,Ba^2+ ,must be exceeded to precipitate BaF2 from a solution that is 1.00*10^-2M in the
1. 1 answer
2. asked by roshan
3. 1,909 views
If the fundamental frequency for a 60-cm long guitar string is 500 Hz, what is the speed of the traveling waves?
1. 1 answer
2. asked by Harry
3. 1,873 views
All of the following statements are true about the Works Progress Administration EXCEPT:A.despite its good intentions, it
1. 2 answers
2. asked by sharice
3. 1,796 views
Convert these unlike fractions to equivalent like fractions and add them. You must use the LCD to get the answer correct. If
1. 3 answers
2. asked by Angel
3. 1,791 views
1.)Suppose you interview 10 randomly selected workers and ask how many miles they commute to work. You'll compute the sample
1. 1 answer
2. asked by Elie
3. 1,728 views
Would you use a physical model or a conceptual model to describe the following: a gold coin, dollar bill, car engine, air
1. 2 answers
2. asked by helen
3. 1,672 views
Bob throws a ball straight up with an initial speed of 50 feet per second from a height of 6 feet.(a) Find parametric equations
1. 1 answer
2. asked by Anonymous
3. 1,658 views
The combustion of propane (C3H8)produces CO2 and H20: C3H8(g)+5O2(g) 3CO2(g)+4H2O(g) Calculate the mass, in grams, of H2O that
1. 1 answer
2. asked by michelle
3. 1,653 views
You raise a bucket of water from the bottom of a deep well.If your power output is 128 W, and the mass of the bucket and the
1. 1 answer
2. asked by Alan
3. 1,617 views
Let y(x)=ln(cosh(x)+ sqrt(cosh^2(x)−1))Find the derivative Dxy= I don't know what to do with this...
1. 1 answer
2. asked by Patrick
3. 1,548 views
A bearthing mixture used by deep-sea divers contains helium, oxygen, and carbon dioxide. What is the partial pressure of oxygen
1. 2 answers
2. asked by Logan
3. 1,415 views
Aluminum Chloride has a universal indicator color of red and the Ph of 4.0b) Sodium Carbonate has a universal indicator color of
1. 3 answers
2. asked by roshan
3. 1,203 views
Choose the sentence in which the "" word is grammatically correct.A. Esta varilla negra "está" parada sobre otra cosa negra. B.
1. 3 answers
2. asked by anon
3. 1,185 views
heating an ore of antimony sulfide in the presence of iron gives th element antimony and iron(2) sulfide. when 15.0 antimony
1. 1 answer
2. asked by sheynah
3. 1,180 views
papers that are inadequately developed often contain repetition and wordy generalities
1. 1 answer
2. asked by lisa
3. 1,142 views
The combustion of propane (C3H8)produces CO2 and H20: C3H8(g)+5O2(g) 3CO2(g)+4H2O(g) Calculate the mass, in grams, of H2O that
1. 1 answer
2. asked by michelle
3. 1,137 views
Find the length of the median of a trapezoid with vertices at C(3,1) D(10,1) E(7,9) and F(5,9)
1. 1 answer
2. asked by Clara
3. 1,131 views
If a pointer on a spring scale moves 0.0254 m when a 2.224 N weight is fastened to the hook, the pointer will move how many m
1. 1 answer
2. asked by Sejul
3. 1,109 views
Which one of the following statements about intelligence is the most accurate?IQ is a valid measurement, and environmental
1. 2 answers
2. asked by Chloe
3. 1,091 views
In Geometric progression the sum of first of three terms is 28 and the product is 512 find those numbers
1. 1 answer
2. asked by Dhanalakshmi
3. 1,072 views
How do a country's size and shape affect its power and stability?
1. 2 answers
2. asked by Kerri
3. 1,060 views
Let Pn=0,1,2....be the probability that an automobile policyholder will file for n claims in a five-year period. The Actuary
1. 0 answers
2. asked by Roxy
3. 1,049 views
The stopping distance d of a car after the brakes are applied varies directly as the square of the speed r. If a car travelling
1. 0 answers
2. asked by estherw
3. 1,035 views
A child is sliding on a sled at 1.8 to the right. You stop the sled by pushing on it for 0.70 in a direction opposite to its
1. 3 answers
2. asked by Kobe Bryant
3. 1,030 views
An NFL punter at the 15-yard line kicks a football with an initial velocity of 95 feet per second at an angle of elevation of 28
1. 0 answers
2. asked by Robert
3. 1,018 views
a 2.500g sample of an unknown compound containing only C, H and O was burned in O2. The products were 4.776g of CO2 and 2.934g
1. 1 answer
2. asked by Tc
3. 1,014 views
A track meet awards 6, 5, 4, 3, 2 and 1 points for 1st, 2nd, 3rd, 4th, 5thand 6th places, respectively. Team A’s only two
1. 1 answer
2. asked by ABC123DoReMi
3. 1,012 views
I'm writing a paper about re-enlisting during the American Revolution, even though I'm miserable with the sick and dying all
1. 3 answers
2. asked by KC
3. 996 views
400cm3 of nitrogen at 30degree celsius is heated at constant pressure to a temperature 50degree celcius.find the new volume of
1. 2 answers
2. asked by peter onoriode
3. 995 views
These are short and simple. :) I've included my answers, tell me if I am wrong please.CH3 is attached to a carbon on a pentane
1. 0 answers
2. asked by s
3. 992 views
Blast 3 points from a team.(At a game, what does that sentence mean? Would you paraphrase the sentence? What does 'blast' mean
1. 1 answer
2. asked by rfvv
3. 957 views
find f'(x) for the following:f(x)= cos^5(4x-19) I keep getting 20cos^4(4x-19)sin, but the answer is supposed to be
1. 1 answer
2. asked by redgy
3. 944 views
You have an empty shelf in your store which measures 2 feet by 3 feet, and need to stock it with one layer of merchandise. How
1. 1 answer
2. asked by malik
3. 933 views
Is 3x-4y=7 a direct variationIs 6x-3y=0 a direct variation?
1. 2 answers
2. asked by Dana
3. 928 views
Suppose you pour water into a container until it reaches a depth of 30.2 cm. Next, you carefully pour in a 14.8 cm thickness of
1. 1 answer
2. asked by Megan
3. 922 views
does sunlight warm your body with light waves yes or no and why
1. 0 answers
2. asked by omar
3. 916 views
The question says to make a statement about Log A over B & Log B over A & prove it.How do I answer?
1. 0 answers
2. asked by Ana
3. 914 views
Two electrostatic point charges of +50.0 μCand +50.0 μC exert a repulsive force on each other of 197 N. What is the distance
1. 1 answer
2. asked by maria
3. 909 views
a driver of a car going 95.0km/h suddenly sees the lights of a barrier 35.0 m aheadd. It takes the driver 95 s before he applies
1. 1 answer
2. asked by Jerry
3. 892 views
What are some suggestion regarding should the driving age be raised to 18?
1. 1 answer
2. asked by kate
3. 883 views
A 1900 car starts from rest and drives around a flat 50--diameter circular track. The forward force provided by the car's drive
1. 0 answers
2. asked by Dan
3. 883 views
A rocker arises from its launching pad with a velocity given. By 0.1 h m/s ,where h m is the height reached by the rocket at
1. 0 answers
2. asked by mehak
3. 875 views
for sin2x+cosx=0, use double-angle or half-angle formula to simplify the equation and then find all solutions of the equation in
1. 2 answers
2. asked by bob
3. 863 views
please can you help to give idea or answer for this homework in marketing subject,how does marketing influence us daily as
1. 1 answer
2. asked by jessie
3. 858 views
A 0.040M solution of a weak acid has a pH of 3.02 at 25°C . What is the value of Ka for the acid?
1. 1 answer
2. asked by darren
3. 856 views
the formula r= -0.075t + 3.85 can be used to predict the world record for the 1500 meter run, t years after 1930.find an
1. 1 answer
2. asked by andy
3. 846 views
A satellite circling the earth has an average power consumption of 370.0 W. Assuming 5.4% efficiency for conversion of solar
1. 1 answer
2. asked by lyla
3. 829 views
I don't understand how to divide monomials with negative (or positive, for that matter) powers. Please help!!!!
1. 1 answer
2. asked by sarah
3. 826 views
Because underline doesn't show I will replace the underline with parentheses.I hope it's less confusing. 6. Choose the sentence
1. 2 answers
2. asked by anon
3. 821 views
Equivalent fractions 1/2,6/10,9/27,4/16
1. 1 answer
2. asked by gina
3. 803 views
A = _,b = 12yd,h = 16 yd
1. 1 answer
2. asked by leah
3. 802 views
Let y(x)=ln(cosh(x)+ sqrt(cosh^2(x)−1))Find the derivative Dxy= I don't know what to do with this...
1. 0 answers
2. asked by Patrick
3. 800 views
Which is a joint committee?A. a select committee B. a conference committee C. a standing committee D. a committee of the whole B
1. 1 answer
2. asked by Alicia
3. 797 views
I am having trouble figuring out this question:Part 1: A long staight wire carries a current due East. This wire creates, at
1. 1 answer
2. asked by Sonia
3. 780 views
A dock worker loading crates on a ship finds that a 24 kg crate, initially at rest on a horizontal surface, requires a 64 N
1. 1 answer
2. asked by Bill
3. 777 views
I am having trouble figuring out this question:Part 1: A long staight wire carries a current due East. This wire creates, at
1. 2 answers
2. asked by Sonia
3. 771 views
How many milliliters of 3.0 M hydrochloric acid are i required to prepare 500 milliliter of 1.0 M Hydrochloric solution
1. 1 answer
2. asked by Dylan
3. 771 views
what kind of heat transfer causes earth's major wind patterns
1. 0 answers
2. asked by molly
3. 763 views
how many differnt squares are in each figure ? count the small squares first ,then move up to the next size ,and so on .Record
1. 2 answers
2. asked by cindy
3. 761 views
if two cups of tea one at 80 degreesand one at 50 d are placed in a cold room what one would get to room temp first and why
1. 1 answer
2. asked by lauren
3. 757 views
how do you solve:-3y=3x-9 and 2x-4y=12 and -3x=2y
1. 1 answer
2. asked by maya
3. 751 views
Differential equations, initial value problem.The general equation of motion is: mx"+Bx'+kx=f(t), where the independent variable
1. 1 answer
2. asked by Anonymous
3. 744 views
300.0 g of ammonia react with 36.0 moles of sulfuric acid to produce ammonium sulfate. How many moles of excess sulfuric acid
1. 1 answer
2. asked by caitlin
3. 743 views
how do i use a taylor series centered at some x value to approximate the value of the function centered at a different x value?f
1. 1 answer
2. asked by Marli
3. 737 views
A new record for running the stairs of the Empire State Building was set on February 3, 2003. The 86 flights, with a total of
1. 2 answers
2. asked by Alan
3. 719 views
I know the first two answers but I am stumped on the treatments and how they work chemically.A freshman studying medicine at an
1. 0 answers
2. asked by Celest
3. 706 views
Write a balanced chemical equation (molecular equation). Write a total ionic equation. write a net ionic equation.(NH4)2
1. 2 answers
2. asked by Jake
3. 702 views
Two forces acting on a body in opposite directions,have the resultant velocities of 10newton. if they act at right angles to
1. 5 answers
2. asked by Abhishek
3. 702 views
I am totally stumped. The picture we are to look at is called Five generations of slaves in South Carolina. The picture shows a
1. 2 answers
2. asked by m
3. 699 views
A car tyre pump in the morning at 10degree celcius to a pressure of 0.20NM/S increases in pressure at it's temperature rises.if
1. 2 answers
2. asked by pete onoriode
3. 697 views
Aluminum Chloride has a universal indicator color of red and the Ph of 4.0b) Sodium Carbonate has a universal indicator color of
1. 1 answer
2. asked by roshan
3. 690 views
A STORE SELLS A GRAB BAG OF THREE TRAVEL SIZE GAMES. A BAG CONTAINS ONE OF THE FOLLOWING BOOKS:A BOOK OF CROSSWORD PUZZLES, A
1. 1 answer
2. asked by MARLEN
3. 688 views
A car accelerates at a constant rate from 13m/s to 25m/s in 6.0seconds. What was its acceleration? How far did it travel in this
1. 1 answer
2. asked by Emily Grossman
3. 687 views
I have to write an argumentative paper on the topic: Recent changes to Georgia's HOPE scholarship program. To start off I wanted
1. 2 answers
2. asked by y912f
3. 684 views
the specific heat of a substance is the energy (Joules) required to raise one gram of substance by one degree celsius (units
1. 1 answer
2. asked by Ally
3. 679 views
1)If I am to plot a graph of Force in Newtons vs. Stretch in meters, would the x axis be force or the stretch?2) The data table
1. 1 answer
2. asked by Sushmitha
3. 677 views
Three scholarships are available for needy students. Their values are $2,00, $2,400 and $3,000 12 students have applied and no
1. 1 answer
2. asked by Maria B
3. 653 views
What is the social exchange theory?
1. 1 answer
2. asked by Megan H.
3. 653 views
Rachael bought 12 pencils and 7 markers for $5.36, and later bought 8 pencils and 5 markers for $3.68. Find the cost of each
1. 1 answer
2. asked by cody
3. 653 views
among monopoly, oligopoly, monopolistic competition, and perfect competion, how would you classify the markets for each of the
1. 1 answer
2. asked by eva
3. 650 views
Jack, jill and spot go out for a picnic at the side of the river. jack takes spot for a jog. jack and spot are on the wast bank
1. 1 answer
2. asked by Ty
3. 642 views
The three main types of business organizations are partnerships, LLCs and corporations. Using the text and the comments to this
1. 1 answer
2. asked by Crystal
3. 636 views
I am having trouble figuring out this question:Part 1: A long staight wire carries a current due East. This wire creates, at
1. 0 answers
2. asked by Sonia
3. 634 views
PLEASE CORRECT MY ANSWER IF IT IS CORRECT AND RELEVANT TO THE QUESYION.Q.HOW DOES MARKETING INFLUENCE US DAILY AS CONSUMER?
1. 2 answers
2. asked by jessie
3. 630 views
**Describe the outcome space**(a)If a Families that have three children each and select one such family at random. Describe the
1. 0 answers
2. asked by Melissa
3. 629 views
Jack, jill and spot go out for a picnic at the side of the river. jack takes spot for a jog. jack and spot are on the wast bank
1. 2 answers
2. asked by Ty
3. 628 views
eq1 y = 2x + 3eq2 y = 1x + 2 What is the solution for eq1 and eq 2? Remember we are looking for the "common" x and y pairs that
1. 1 answer
2. asked by bianca, pleeease help i'm lost
3. 621 views
How long is an open organ pipe with a fundamental frequency of 493.88 Hz?
1. 0 answers
2. asked by Harie
3. 619 views
The dimensions of a rectangle are such that its length is 3 in. more than its width. If the length were doubled and if the width
1. 0 answers
2. asked by Brandon
3. 619 views
I need to see if someone can help me with a c# programming problemCreate a class called employees that includes three pieces of
1. 1 answer
2. asked by Latifu
3. 618 views
A rocket arises from its launching pad with a velocity given. By 0.1 h m/s ,where h m is the height reached by the rocket at
1. 2 answers
2. asked by Mehak
3. 617 views

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