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2011
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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
2 answers
asked by
Morgan
4,274 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 answer
asked by
Janet
3,001 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 answer
asked by
bill
2,980 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
2 answers
asked by
Shanniganz
2,663 views
According to a recent survey, 75% of all customers will return to the same grocery store. Suppose 8 customers are selected at
3 answers
asked by
Maria B
2,622 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
2 answers
asked by
Catherine
2,461 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 answer
asked by
Janice
2,104 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 answer
asked by
Dan
2,028 views
The Earth exerts an 680 N gravitational force
on a man. What force does the man exert on the Earth? Answer in units of N
1 answer
asked by
Anonymous
1,981 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 answer
asked by
roshan
1,947 views
If the fundamental frequency for a 60-cm long guitar string is 500 Hz, what is the speed of the traveling waves?
1 answer
asked by
Harry
1,896 views
Convert these unlike fractions to equivalent like fractions and add them. You must use the LCD to get the answer correct. If
3 answers
asked by
Angel
1,832 views
All of the following statements are true about the Works Progress Administration EXCEPT:
A.despite its good intentions, it
2 answers
asked by
sharice
1,827 views
1.)Suppose you interview 10 randomly selected workers and ask how many miles they commute to work. You'll compute the sample
1 answer
asked by
Elie
1,776 views
Would you use a physical model or a conceptual model to describe the following: a gold coin, dollar bill, car engine, air
2 answers
asked by
helen
1,749 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 answer
asked by
Anonymous
1,718 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 answer
asked by
michelle
1,706 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 answer
asked by
Alan
1,649 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 answer
asked by
Patrick
1,591 views
A bearthing mixture used by deep-sea divers contains helium, oxygen, and carbon dioxide. What is the partial pressure of oxygen
2 answers
asked by
Logan
1,460 views
Aluminum Chloride has a universal indicator color of red and the Ph of 4.0
b) Sodium Carbonate has a universal indicator color of
3 answers
asked by
roshan
1,253 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 answer
asked by
sheynah
1,224 views
Choose the sentence in which the "" word is grammatically correct.
A. Esta varilla negra "está" parada sobre otra cosa negra. B.
3 answers
asked by
anon
1,211 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 answer
asked by
michelle
1,188 views
papers that are inadequately developed often contain repetition and wordy generalities
1 answer
asked by
lisa
1,166 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 answer
asked by
Clara
1,165 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 answer
asked by
Sejul
1,140 views
Which one of the following statements about intelligence is the most accurate?
IQ is a valid measurement, and environmental
2 answers
asked by
Chloe
1,125 views
In Geometric progression the sum of first of three terms is 28 and the product is 512 find those numbers
1 answer
asked by
Dhanalakshmi
1,106 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
0 answers
asked by
Roxy
1,089 views
How do a country's size and shape affect its power and stability?
2 answers
asked by
Kerri
1,081 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
0 answers
asked by
estherw
1,071 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
3 answers
asked by
Kobe Bryant
1,069 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
0 answers
asked by
Robert
1,068 views
A track meet awards 6, 5, 4, 3, 2 and 1 points for 1st, 2nd, 3rd, 4th, 5th
and 6th places, respectively. Team A’s only two
1 answer
asked by
ABC123DoReMi
1,062 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 answer
asked by
Tc
1,060 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
0 answers
asked by
s
1,028 views
I'm writing a paper about re-enlisting during the American Revolution, even though I'm miserable with the sick and dying all
3 answers
asked by
KC
1,025 views
400cm3 of nitrogen at 30degree celsius is heated at constant pressure to a temperature 50degree celcius.find the new volume of
2 answers
asked by
peter onoriode
1,017 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 answer
asked by
rfvv
994 views
Is 3x-4y=7 a direct variation
Is 6x-3y=0 a direct variation?
2 answers
asked by
Dana
993 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 answer
asked by
redgy
978 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 answer
asked by
malik
967 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 answer
asked by
Megan
963 views
Two electrostatic point charges of +50.0 μC
and +50.0 μC exert a repulsive force on each other of 197 N. What is the distance
1 answer
asked by
maria
944 views
The question says to make a statement about Log A over B & Log B over A & prove it.
How do I answer?
0 answers
asked by
Ana
942 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 answer
asked by
Jerry
940 views
does sunlight warm your body with light waves yes or no and why
0 answers
asked by
omar
935 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
0 answers
asked by
Dan
927 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
2 answers
asked by
bob
912 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
0 answers
asked by
mehak
911 views
What are some suggestion regarding should the driving age be raised to 18?
1 answer
asked by
kate
898 views
please can you help to give idea or answer for this homework in marketing subject,
how does marketing influence us daily as
1 answer
asked by
jessie
882 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 answer
asked by
andy
881 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 answer
asked by
darren
880 views
Because underline doesn't show I will replace the underline with parentheses.
I hope it's less confusing. 6. Choose the sentence
2 answers
asked by
anon
870 views
A satellite circling the earth has an average power consumption of 370.0 W. Assuming 5.4% efficiency for conversion of solar
1 answer
asked by
lyla
869 views
I don't understand how to divide monomials with negative (or positive, for that matter) powers. Please help!!!!
1 answer
asked by
sarah
855 views
A = _,b = 12yd,h = 16 yd
1 answer
asked by
leah
841 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...
0 answers
asked by
Patrick
841 views
Equivalent fractions 1/2,6/10,9/27,4/16
1 answer
asked by
gina
833 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 answer
asked by
Sonia
826 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 answer
asked by
Bill
819 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 answer
asked by
Alicia
818 views
How many milliliters of 3.0 M hydrochloric acid are i required to prepare 500 milliliter of 1.0 M Hydrochloric solution
1 answer
asked by
Dylan
807 views
I am having trouble figuring out this question:
Part 1: A long staight wire carries a current due East. This wire creates, at
2 answers
asked by
Sonia
807 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
2 answers
asked by
cindy
799 views
I have to write an argumentative paper on the topic: Recent changes to Georgia's HOPE scholarship program. To start off I wanted
2 answers
asked by
y912f
795 views
what kind of heat transfer causes earth's major wind patterns
0 answers
asked by
molly
791 views
Differential equations, initial value problem.
The general equation of motion is: mx"+Bx'+kx=f(t), where the independent variable
1 answer
asked by
Anonymous
789 views
if two cups of tea one at 80 degrees
and one at 50 d are placed in a cold room what one would get to room temp first and why
1 answer
asked by
lauren
785 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 answer
asked by
Marli
783 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 answer
asked by
caitlin
781 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 answer
asked by
cody
774 views
how do you solve:
-3y=3x-9 and 2x-4y=12 and -3x=2y
1 answer
asked by
maya
767 views
Two forces acting on a body in opposite directions,have the resultant velocities of 10newton. if they act at right angles to
5 answers
asked by
Abhishek
761 views
Write a balanced chemical equation (molecular equation). Write a total ionic equation. write a net ionic equation.
(NH4)2
2 answers
asked by
Jake
753 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
2 answers
asked by
Alan
751 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
2 answers
asked by
pete onoriode
744 views
Aluminum Chloride has a universal indicator color of red and the Ph of 4.0
b) Sodium Carbonate has a universal indicator color of
1 answer
asked by
roshan
743 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
0 answers
asked by
Celest
741 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
2 answers
asked by
m
736 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 answer
asked by
MARLEN
731 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 answer
asked by
Sushmitha
725 views
the specific heat of a substance is the energy (Joules) required to raise one gram of substance by one degree celsius (units
1 answer
asked by
Ally
719 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 answer
asked by
Emily Grossman
708 views
among monopoly, oligopoly, monopolistic competition, and perfect competion, how would you classify the markets for each of the
1 answer
asked by
eva
689 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 answer
asked by
Ty
686 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 answer
asked by
Maria B
685 views
What is the social exchange theory?
1 answer
asked by
Megan H.
679 views
The three main types of business organizations are partnerships, LLCs and corporations. Using the text and the comments to this
1 answer
asked by
Crystal
673 views
**Describe the outcome space**
(a)If a Families that have three children each and select one such family at random. Describe the
0 answers
asked by
Melissa
672 views
I am having trouble figuring out this question:
Part 1: A long staight wire carries a current due East. This wire creates, at
0 answers
asked by
Sonia
669 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
2 answers
asked by
Ty
667 views
How long is an open organ pipe with a fundamental frequency of 493.88 Hz?
0 answers
asked by
Harie
664 views
eq1 y = 2x + 3
eq2 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 answer
asked by
bianca, pleeease help i'm lost
661 views
PLEASE CORRECT MY ANSWER IF IT IS CORRECT AND RELEVANT TO THE QUESYION.
Q.HOW DOES MARKETING INFLUENCE US DAILY AS CONSUMER?
2 answers
asked by
jessie
657 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
2 answers
asked by
Mehak
656 views
A deli bar offers a special sandwich for which there is a choice of five different cheeses, four different meat selections, and
2 answers
asked by
Maria B
655 views
Marcus and Santa are sliding down a snowy hill that is 13.3 m high. On the hill itself friction and air resistance can be
1 answer
asked by
Mr superman
655 views
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