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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
3 answers
asked by
greg
1,972 views
What are the zeros of the function? what are their multiplicities
f(x)=4x^3-20x^2+24x numbers -3,-2,and 0 are multiplicity of 1
5 answers
asked by
lee
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
3 answers
asked by
R
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 answer
asked by
daniel
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
2 answers
asked by
justin
1,010 views
Solve for x.
2^4x-1/2^3x+2=4
3 answers
asked by
Anonymous
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 answer
asked by
Jeff
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
2 answers
asked by
Liam
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
3 answers
asked by
Winnie
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
2 answers
asked by
Andrew
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.
5 answers
asked by
jim
3,618 views
An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. The maximum speed of the
5 answers
asked by
carol
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
4 answers
asked by
Jacob
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
3 answers
asked by
Billy
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
3 answers
asked by
Caleb
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
2 answers
asked by
Caleb
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
4 answers
asked by
Latoya
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
4 answers
asked by
Danny
3,283 views
Describe the changes you'll see (evolution wise) if you were granted 1 million years of life.
2 answers
asked by
Jessi
501 views
P=$1000 r=7% t=8 compounded annually
1 answer
asked by
kim
339 views
Construct a frequency polygon distribution using the class limits shown below.
80, 99, 77, 67, 93, 70, 76, 86, 79, 71
1 answer
asked by
ed
445 views
find the possible roots for:
3x^3-6x^2+11x-6=0
2 answers
asked by
Jessica
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 ,
3 answers
asked by
Anonymous
531 views
If two dice are rolled one time, find the probability of getting a sum less than 5.
6 answers
asked by
ed
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
12 answers
asked by
Nina
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
4 answers
asked by
Nina
2,484 views
Describe the changes you'll see (evolution wise) if you were granted 1 million years of life.
4 answers
asked by
Jessi
968 views
y=x/4+4
x=21.5+7y/8
1 answer
asked by
sam
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
2 answers
asked by
Ashley
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
2 answers
asked by
Anonymous
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
3 answers
asked by
Caleb
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 answer
asked by
Caleb
661 views
what are the three pure liquids produced by chemical reactions
1 answer
asked by
Anonymous
875 views
What volume will a mixture of 5.00mol of He and 0.800 mol of CO2 occupy at STP?
2 answers
asked by
toya
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 answer
asked by
ME
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
4 answers
asked by
Nina
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
11 answers
asked by
HELP ME
1,137 views
1. Starches and sugars that provide energy
(1 point)kidneys enzymes carbohydrates vitamins 2. The system that removes waste from
7 answers
asked by
poppy
5,538 views
the spillover effect is best explained in terms of the?
2 answers
asked by
Nancy
1,090 views
What are the prime numbers for 108?
3 answers
asked by
Mesi
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
2 answers
asked by
shane
571 views
width of a normal sheet of paper is 8.5inches. Convert this length to kilometers
2 answers
asked by
natasha
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 answer
asked by
Caleb
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
7 answers
asked by
ellis
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
3 answers
asked by
Celest
366 views
Please for 10 computer lab rules.
4 answers
asked by
Juanita
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
7 answers
asked by
ellis
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
25 answers
asked by
Limmmy
7,157 views
Explain why each survey question might lead to an erroneous conclusion
20. In a recent article, the author states that 71% of
1 answer
asked by
Wayne
426 views
St. Luke’s Convalescent Center has $200,000 in surplus funds that it wishes to invest in marketable securities. If transaction
1 answer
asked by
Rebekah
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
3 answers
asked by
Matt
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
3 answers
asked by
lily
1,413 views
Community Hospital has annual net patient revenues of $150 million. At the present time, payments received by the hospital are
3 answers
asked by
Rebekah
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
2 answers
asked by
Diana
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
2 answers
asked by
Rebekah
781 views
An important source of temporary cash is trade credit, which does not actually bring in cash, but instead slows its outflow.
1 answer
asked by
Rebekah
713 views
combination reaction. mg2+o2
2 answers
asked by
jerry
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 answer
asked by
Diana
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?
3 answers
asked by
ellis
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 answer
asked by
Bob
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 answer
asked by
Bob
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
4 answers
asked by
Taylor
1,153 views
-(4/3)^2+(4/3)^0+4/3-(-4/3)^2+|-(4/3)^2|
3 answers
asked by
sam
237 views
2. An investigator wants to estimate caffeine consumption in high school students. How many students would be required to
2 answers
asked by
bobbie ann johansen
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
5 answers
asked by
Anonymous
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
4 answers
asked by
shyne1
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
4 answers
asked by
Kailee
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.
4 answers
asked by
Simran kaur
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 answer
asked by
Simran kaur
359 views
Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st
6 answers
asked by
School girl
493 views
exam003062rr the staff
5 answers
asked by
tina
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
4 answers
asked by
Simran kaur
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 answer
asked by
Mani
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 answer
asked by
Kervin
424 views
When people have indigestion or "heartburn" they often take an antacid to reduce the amount of stomach acid (hydrochloric acid).
1 answer
asked by
Nicole
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
4 answers
asked by
Adam
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 answer
asked by
Marwein
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
2 answers
asked by
Adam
877 views
Behavioral geneticists and evolutionary psychologists emphasize
3 answers
asked by
alexis
464 views
Which of the following diatomic molecules are isoelectronic to BN? Check all that apply.
a)NO b)BeN c)C2 d)BeC
9 answers
asked by
selly
409 views
Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st
11 answers
asked by
selly
543 views
Given the points A(−2, 1) and B(3, 4), what are the coordinates of point C in the fourth
quadrant such that mCAB = 90
1 answer
asked by
Sam
479 views
Give the value of the 1st ionization energy of beryllium (Be). Express your answer in Joules (J/atom).
5 answers
asked by
Audrey
503 views
change 30 in 04 in equlivent fraction
2 answers
asked by
ritesh
851 views
Evaluate Integral x^2+4 / x^4+x^2+16 dx
1 answer
asked by
Ashwin
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
2 answers
asked by
Bryan
554 views
Please, help!
How did Islam unite and effectively rule diverse people and cultures?
3 answers
asked by
Julia
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 answer
asked by
chelsea
460 views
A salt was completely solbuble in water when this solution was treated with AgNO3 no precipitate was formed. What anions could
1 answer
asked by
Helen
420 views
A binary mixture of benzene and styrene is kept in a closed vessel at equilibrium such that both liquid and vapor phases
2 answers
asked by
Silas
536 views
C2
1 answer
asked by
Anonymous
618 views
For the emission spectrum of Be3+, calculate the lowest wavenumber νˉ (in inverse meters) of light produced by electron
5 answers
asked by
Anonymous
584 views
Titanium (Ti) can be produced by the reaction of metallic sodium (Na) with titanium tetrachloride vapor (TiCl4). The byproduct
7 answers
asked by
Anonymous
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
4 answers
asked by
Anonymous
2,111 views
rank the following atoms and ions in the order of expected increasing radius: Ca, Ca2+, Ar
Pls pls help me kindly... Anyone?
4 answers
asked by
Anonymous
1,101 views
For the emission spectrum of Be3+, calculate the lowest wavenumber νˉ (in inverse meters) of light produced by electron
7 answers
asked by
Anonymous
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
6 answers
asked by
Anonymous
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
4 answers
asked by
Anonymous
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 answer
asked by
Alex L.
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
5 answers
asked by
Larry
667 views
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