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2012
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Questions Asked on November 18, 2012

A thin, uniform rod is hinged at its midpoint. To begin with, one half of the rod is bent upward and is perpendicular to the
1. 3 answers
2. asked by greg
3. 1,972 views
What are the zeros of the function? what are their multiplicitiesf(x)=4x^3-20x^2+24x numbers -3,-2,and 0 are multiplicity of 1
1. 5 answers
2. asked by lee
3. 5,673 views
How long would it take a 1.00 x 10^3 W heating element to melt 2.00kg of ice at -20 deg C, assuming all energy is absorbed by
1. 3 answers
2. asked by R
3. 2,051 views
the width in cm of a rectangle is the same as the slope of the line 5x-6y=-14, and its length in cm is the same as the slope of
1. 1 answer
2. asked by daniel
3. 343 views
Yuki's age is four years more than one-fourth of Xena's age. Xena's age is 21 years and 6 months more than seven-eighths of
1. 2 answers
2. asked by justin
3. 1,010 views
Solve for x.2^4x-1/2^3x+2=4
1. 3 answers
2. asked by Anonymous
3. 287 views
A force of 44.0 N accelerates a 5.0-kg block at 6.3 m/s2 along a horizontal surface.(a) How large is the frictional force? (b)
1. 1 answer
2. asked by Jeff
3. 345 views
You need to move a 129-kg sofa to a different location in the room. It takes a force of 90 N to start it moving. What is the
1. 2 answers
2. asked by Liam
3. 533 views
I had posted these questions before but no one helped me so ill repeat the questions: Please Help Me :)1. would karyotypes from
1. 3 answers
2. asked by Winnie
3. 477 views
Suppose a 47-N sled is resting on packed snow. The coefficient of kinetic friction is 0.14. If a person weighing 670 N sits on
1. 2 answers
2. asked by Andrew
3. 563 views
An object is attached to the lower end of a 100-coil spring that is hanging from the ceiling. The spring stretches by 0.210 m.
1. 5 answers
2. asked by jim
3. 3,618 views
An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. The maximum speed of the
1. 5 answers
2. asked by carol
3. 4,232 views
Joe wishes to hang a sign weighing 730 N so that cable A, attached to the store, makes a 30.0° angle, as shown below. Cable B
1. 4 answers
2. asked by Jacob
3. 5,642 views
A 170-N box is placed on an inclined plane that makes a 35.0° angle with the horizontal. Find the component of the weight force
1. 3 answers
2. asked by Billy
3. 854 views
You are driving a 2570.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an
1. 3 answers
2. asked by Caleb
3. 543 views
A 1.31-kg block slides across a rough surface such that it slows down with an acceleration of 1.39 m/s2. What is the coefficient
1. 2 answers
2. asked by Caleb
3. 751 views
Suppose the supply and demand for a certain videotape are given by:Supply: p=1/3q^2 Demand: p=-1/3q^2+48
1. 4 answers
2. asked by Latoya
3. 1,065 views
A 225-kg crate is pushed horizontally with a force of 690 N. If the coefficient of friction is 0.20, calculate the acceleration
1. 4 answers
2. asked by Danny
3. 3,283 views
Describe the changes you'll see (evolution wise) if you were granted 1 million years of life.
1. 2 answers
2. asked by Jessi
3. 501 views
P=$1000 r=7% t=8 compounded annually
1. 1 answer
2. asked by kim
3. 339 views
Construct a frequency polygon distribution using the class limits shown below.80, 99, 77, 67, 93, 70, 76, 86, 79, 71
1. 1 answer
2. asked by ed
3. 445 views
find the possible roots for:3x^3-6x^2+11x-6=0
1. 2 answers
2. asked by Jessica
3. 540 views
A sporting goods store paid $576for a shipment of 8 cartons of tennis balls. There are 12 cans of tennis balls in each carton ,
1. 3 answers
2. asked by Anonymous
3. 531 views
If two dice are rolled one time, find the probability of getting a sum less than 5.
1. 6 answers
2. asked by ed
3. 8,228 views
The population of a town P(t)is modelled by the function P(t)=6t+110t+3000, where t is time in years. Note t=0 represents the
1. 12 answers
2. asked by Nina
3. 3,899 views
The population of a town P(t)is modelled by the function P(t)=6t^2+110t+3000, where t is time in years. Note t=0 represents the
1. 4 answers
2. asked by Nina
3. 2,484 views
Describe the changes you'll see (evolution wise) if you were granted 1 million years of life.
1. 4 answers
2. asked by Jessi
3. 968 views
y=x/4+4x=21.5+7y/8
1. 1 answer
2. asked by sam
3. 260 views
A 80kg football player leaps straight up into the air (with no horizontal velocity) to catch a pass. He catches the .43kg ball
1. 2 answers
2. asked by Ashley
3. 1,113 views
At room temperature, the surface tension of water is 72.0 mJ·m^–2. What is the energy required to change a spherical drop of
1. 2 answers
2. asked by Anonymous
3. 541 views
You are driving a 2570.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an
1. 3 answers
2. asked by Caleb
3. 640 views
A 225-kg crate is pushed horizontally with a force of 690 N. If the coefficient of friction is 0.20, calculate the acceleration
1. 1 answer
2. asked by Caleb
3. 661 views
what are the three pure liquids produced by chemical reactions
1. 1 answer
2. asked by Anonymous
3. 875 views
What volume will a mixture of 5.00mol of He and 0.800 mol of CO2 occupy at STP?
1. 2 answers
2. asked by toya
3. 519 views
The average amount of time people spend on facebook each day is 71 minutes, with a standard deviation of 4.7 minutes. Are you
1. 1 answer
2. asked by ME
3. 502 views
Damon had answer, but i just want to see if you'll explain it differently...The population of a town P(t)is modelled by the
1. 4 answers
2. asked by Nina
3. 501 views
1. What does the Wool Pooh represent to Kenny?(1 point)a nightmare death bullies fear 3. Which two characters engage in a power
1. 11 answers
2. asked by HELP ME
3. 1,137 views
1. Starches and sugars that provide energy(1 point)kidneys enzymes carbohydrates vitamins 2. The system that removes waste from
1. 7 answers
2. asked by poppy
3. 5,538 views
the spillover effect is best explained in terms of the?
1. 2 answers
2. asked by Nancy
3. 1,090 views
What are the prime numbers for 108?
1. 3 answers
2. asked by Mesi
3. 400 views
in the auditorium there are 24 rows of seats. the first second rows have 8 chairs and the third and fourth rows have 10
1. 2 answers
2. asked by shane
3. 571 views
width of a normal sheet of paper is 8.5inches. Convert this length to kilometers
1. 2 answers
2. asked by natasha
3. 678 views
You are driving a 2570.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an
1. 1 answer
2. asked by Caleb
3. 1,115 views
steven bought four rare books that cost $130, $120, $80 and $75 respectivily. if he paid 1/3 of the total cost immediatly and
1. 7 answers
2. asked by ellis
3. 968 views
For my pilgrims essay it said that we needed an example with our reasoning. my reasoning #1:One reason why you should not eat us
1. 3 answers
2. asked by Celest
3. 366 views
Please for 10 computer lab rules.
1. 4 answers
2. asked by Juanita
3. 383 views
a dress orginally sold for $120 is now being sold for $96. by what percent was the prginal price of the dress discounted? please
1. 7 answers
2. asked by ellis
3. 1,987 views
There are 1,296 in.^2 in one square yard. Use a proportion to find out how many square yards of carpet it would take to cover
1. 25 answers
2. asked by Limmmy
3. 7,157 views
Explain why each survey question might lead to an erroneous conclusion20. In a recent article, the author states that 71% of
1. 1 answer
2. asked by Wayne
3. 426 views
St. Luke’s Convalescent Center has $200,000 in surplus funds that it wishes to invest in marketable securities. If transaction
1. 1 answer
2. asked by Rebekah
3. 461 views
A 35.0-g iron rod, initially at 25.6°C, is submerged into an unknown mass of water at 67.7°C, in an insulated container. The
1. 3 answers
2. asked by Matt
3. 525 views
A lawn mower handle makes an angle of 60° with the ground. A woman pushes on the handle with a force of 30 pounds. How much
1. 3 answers
2. asked by lily
3. 1,413 views
Community Hospital has annual net patient revenues of $150 million. At the present time, payments received by the hospital are
1. 3 answers
2. asked by Rebekah
3. 1,073 views
If 0.25 mol of methane gas (CH4) is introduced into evacuated 2.00 L container at 35 Degrees Celcius , what is the pressure in
1. 2 answers
2. asked by Diana
3. 557 views
Your firm is considering the following three alternative bank loans for $1,000,000:a) 10 percent loan paid at year end with no
1. 2 answers
2. asked by Rebekah
3. 781 views
An important source of temporary cash is trade credit, which does not actually bring in cash, but instead slows its outflow.
1. 1 answer
2. asked by Rebekah
3. 713 views
combination reaction. mg2+o2
1. 2 answers
2. asked by jerry
3. 758 views
If 0.25 mol of methane gas (CH4) is introduced into evacuated 2.00 L container at 35 Degrees Celcius , what is the pressure in
1. 1 answer
2. asked by Diana
3. 384 views
the sale of tvs rose from 17,800 to 24,000. by approximtaly what percent did the total number of flat-screens tv sets increase?
1. 3 answers
2. asked by ellis
3. 430 views
A pizza shop tried 45 new type pizza during the past year and 20% percent of them became popular. Which best represents the
1. 1 answer
2. asked by Bob
3. 380 views
A pizza shop tried 45 new type pizza during the past year and 20% percent of them became popular. Which best represents the
1. 1 answer
2. asked by Bob
3. 337 views
a track and field athlete is running forward with a javelin at a velocity of 4.2 m/s. If he throws the javelin at a velocity
1. 4 answers
2. asked by Taylor
3. 1,153 views
-(4/3)^2+(4/3)^0+4/3-(-4/3)^2+|-(4/3)^2|
1. 3 answers
2. asked by sam
3. 237 views
2. An investigator wants to estimate caffeine consumption in high school students. How many students would be required to
1. 2 answers
2. asked by bobbie ann johansen
3. 611 views
I want to be a pharmacist, so after high school do I go to a 4 year college and then another 4 year of pharmacy school? And
1. 5 answers
2. asked by Anonymous
3. 1,325 views
A block of mass 0.78kg starts from rest at point A and slides down a frictionless hill of height h. At the bottom of the hill it
1. 4 answers
2. asked by shyne1
3. 3,413 views
Nitrogen dioxide (NO2) cannot be obtained in a pure form in the gas phase because it exists as a mixture of NO2 and N2O4. At
1. 4 answers
2. asked by Kailee
3. 2,868 views
neha scored 75% in science,95% in maths and 70% in english. If the max. marks in these subjects were 80,100and 70,respectively.
1. 4 answers
2. asked by Simran kaur
3. 2,569 views
55% of the studnts in a school are girls.find the total no. of studnt in the school if the no. of boys is 18 .
1. 1 answer
2. asked by Simran kaur
3. 359 views
Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st
1. 6 answers
2. asked by School girl
3. 493 views
exam003062rr the staff
1. 5 answers
2. asked by tina
3. 315 views
A man traveled a distance of 22km in one hour,partly in a car at a speed of 30km/hr and partly on a motorcycle at 18km/hr.find
1. 4 answers
2. asked by Simran kaur
3. 962 views
In 500cmcube of alcohol solution the percentage of alcohol by volume is 80%. Find the volume of water that must be added to the
1. 1 answer
2. asked by Mani
3. 483 views
Ca(OH)2 has a Ksp of 6.5 x 10^-6. If 0.37 g of Ca(OH)2 is added to 500 mL of water and the mixture is allowed to come to
1. 1 answer
2. asked by Kervin
3. 424 views
When people have indigestion or "heartburn" they often take an antacid to reduce the amount of stomach acid (hydrochloric acid).
1. 1 answer
2. asked by Nicole
3. 457 views
Suppose you would like to cross a 209-foot wide river in a boat. Assume that the boat can travel 32 mph relative to the water
1. 4 answers
2. asked by Adam
3. 959 views
show that the semi vertical angle of a right circular cone of a given surface area and maximum value is sin-1 (1/3)
1. 1 answer
2. asked by Marwein
3. 894 views
Suppose you would like to cross a 200-foot wide river in a boat. Assume that the boat can travel 35 mph relative to the water
1. 2 answers
2. asked by Adam
3. 877 views
Behavioral geneticists and evolutionary psychologists emphasize
1. 3 answers
2. asked by alexis
3. 464 views
Which of the following diatomic molecules are isoelectronic to BN? Check all that apply.a)NO b)BeN c)C2 d)BeC
1. 9 answers
2. asked by selly
3. 409 views
Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st
1. 11 answers
2. asked by selly
3. 543 views
Given the points A(−2, 1) and B(3, 4), what are the coordinates of point C in the fourthquadrant such that mCAB = 90
1. 1 answer
2. asked by Sam
3. 479 views
Give the value of the 1st ionization energy of beryllium (Be). Express your answer in Joules (J/atom).
1. 5 answers
2. asked by Audrey
3. 503 views
change 30 in 04 in equlivent fraction
1. 2 answers
2. asked by ritesh
3. 851 views
Evaluate Integral x^2+4 / x^4+x^2+16 dx
1. 1 answer
2. asked by Ashwin
3. 311 views
A circular disk of radius 30 cm is rotating with an angular velocity of 2 radians / s. What is the tangential velocity of a
1. 2 answers
2. asked by Bryan
3. 554 views
Please, help!How did Islam unite and effectively rule diverse people and cultures?
1. 3 answers
2. asked by Julia
3. 923 views
I am struggling with how to outline this paper....a little guidance please. It is only 2-3 pages, so not too long.Create an
1. 1 answer
2. asked by chelsea
3. 460 views
A salt was completely solbuble in water when this solution was treated with AgNO3 no precipitate was formed. What anions could
1. 1 answer
2. asked by Helen
3. 420 views
A binary mixture of benzene and styrene is kept in a closed vessel at equilibrium such that both liquid and vapor phases
1. 2 answers
2. asked by Silas
3. 536 views
C2
1. 1 answer
2. asked by Anonymous
3. 618 views
For the emission spectrum of Be3+, calculate the lowest wavenumber νˉ (in inverse meters) of light produced by electron
1. 5 answers
2. asked by Anonymous
3. 584 views
Titanium (Ti) can be produced by the reaction of metallic sodium (Na) with titanium tetrachloride vapor (TiCl4). The byproduct
1. 7 answers
2. asked by Anonymous
3. 489 views
(d) Which of the following sets of quantum numbers is not permitted? Select all that apply.2,1,1,-1/2 1,1,0,-1/2 2,-1,1,-1/2
1. 4 answers
2. asked by Anonymous
3. 2,111 views
rank the following atoms and ions in the order of expected increasing radius: Ca, Ca2+, ArPls pls help me kindly... Anyone?
1. 4 answers
2. asked by Anonymous
3. 1,101 views
For the emission spectrum of Be3+, calculate the lowest wavenumber νˉ (in inverse meters) of light produced by electron
1. 7 answers
2. asked by Anonymous
3. 579 views
For each of the four pairs of compounds, which would you expect to have the higher melting point based on the operative bonding
1. 6 answers
2. asked by Anonymous
3. 531 views
Rank the following 3 atoms in terms of increasing average valence electron energy (AVEE): Rb, Cl, Se...Pls try and help me :( x
1. 4 answers
2. asked by Anonymous
3. 715 views
I need to find some detailed information on the Twelve Labours of Hercules on an academic website. I need to know who were the
1. 1 answer
2. asked by Alex L.
3. 383 views
A film of magnesium fluoride (n=1.38), 1.25x10^-5 cm thick, is used to coat a camera lens (n=1.55). Are any wavelengths in the
1. 5 answers
2. asked by Larry
3. 667 views

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