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Questions Asked on November 10, 2013

Which of the following explains why a bone in a bird’s wing is homologous to a bone in a lizard’s front leg?a.The bones in
1. 86 answers
2. asked by Anonymous
3. 16,953 views
which of earths spheres contains most of is mass ?a) atmosphere b) hydrosphere c) geosphere d) biosphere
1. 23 answers
2. asked by victoria
3. 6,734 views
Pete Air wants to buy a used Jeep in 5 years. He estimates the Jeep will cost $15,000. Assume Pete invests $10,000 now at 12%
1. 2 answers
2. asked by Jimmy
3. 4,164 views
If you could give an explenation with the answers, that'd be wonderful so I actually know how to solve similar problems in the
1. 1 answer
2. asked by Samantha
3. 3,187 views
A 30 foot ladder is leaning against a house(see figure). if the base of the ladder is pulled away from the house at a rate of 2
1. 2 answers
2. asked by Isabel
3. 3,102 views
earth and the moon are kept in their respective orbits due to the influence of ?a) inertia b) gravity c) both inertia and
1. 12 answers
2. asked by victoria
3. 2,965 views
Study the wings of the birds in the two images below. Which of the following words applies to only one of the wing structures
1. 13 answers
2. asked by Anonymous
3. 2,874 views
An incompressible fluid is flowing through a horizontal pipe with a constriction. The velocity of the fluid in the wide section
1. 1 answer
2. asked by Mikhail
3. 2,810 views
The magnitude of each force is 283 N, theforce on the right is applied at an angle 41� and the mass of the block is 27 kg. The
1. 1 answer
2. asked by james
3. 1,916 views
Masses 19 kg and 9 kg are connected by a light string that passes over a frictionless pulley as shown in the figure ( The figure
1. 1 answer
2. asked by james
3. 1,680 views
Assume that human body temperature arenormally distributed with a mean 98.21 F and a standard deviation of 0.61F a)A hospital
1. 2 answers
2. asked by angela
3. 1,677 views
On December 1, 2004 a $1,000.00 bond, paying 6% interest on January 1st and July 1st of each year is purchased for $950.00. The
1. 4 answers
2. asked by Anthony
3. 1,669 views
A sluice gate consists of a quadrant of a circle of radius 1.5m pivoted at its centre O. Its centre of gravity is at G, as Shown
1. 1 answer
2. asked by Mahmoud shamallah
3. 1,609 views
based on the results below, how would you decribe the relationship between heart attack patients being treated with aspirin and
1. 1 answer
2. asked by Anonymous
3. 1,603 views
3. All drugs are not medicines because not all drugs are used to cure, prevent, of treat illness or discomfort. In fact, some
1. 2 answers
2. asked by Anonymous
3. 1,555 views
Masses 19 kg and 9 kg are connected by a light string that passes over a frictionless pulley as shown in the figure ( The figure
1. 1 answer
2. asked by james
3. 1,488 views
On some strange planet you find that a 17.4 kg object falls downward 24.6 meters in 3.4 seconds. What is the magnitude of the
1. 1 answer
2. asked by Carlos gen
3. 1,435 views
Which of the following explains why a bone in a bird’s wing is homologous to a bone in a lizard’s front leg?a.The bones in
1. 5 answers
2. asked by Anonymous
3. 1,397 views
Find x-values if any at which the function f(x)=13x^2-15x-15 is not continuous. Which of the discontinuities are removable?THANK
1. 5 answers
2. asked by Danielle
3. 1,255 views
A cyclist is riding on a path whose elevation is modeled by the function F(X)=0.2x where x and f(x) arte measured in miles. Find
1. 5 answers
2. asked by Lindsey
3. 1,206 views
1. A customer comes into Pierre's and orders a random assortment of 6 danish. At the time she comes in, there are 26 danish
1. 1 answer
2. asked by Cece
3. 1,180 views
The depth of the water in Jeanne's hot tub varies directly with the number of minutes that the faucet is turned on. At 8.15 A.M
1. 2 answers
2. asked by Jynessa
3. 1,153 views
Rick is playing billiards and hits the cue ball. It makes contact with the 8 ball head on. If before the collision the cue ball
1. 3 answers
2. asked by CC
3. 1,140 views
A block is at rest on the incline shown in thefigure. The coefficients of static and kinetic friction are μs = 0.7 and μk =
1. 1 answer
2. asked by james
3. 1,138 views
Hoping to lure more shoppers downtown, a city builds a new parking garage in the central business district. The city hopes that
1. 1 answer
2. asked by Katie
3. 1,119 views
A compound containing only boron, nitrogen, and hydrogen was found to be 40.3% B, 5202% N, 7.5% H by mass. If 3.301g of this
1. 1 answer
2. asked by Temmick
3. 1,104 views
Using the data in the table, calculate the mean, range, variance, and standard deviation, and then answer questions e and f.
1. 1 answer
2. asked by Anonymous
3. 1,048 views
A rod is 2.40 m long and has a diameter of 2.50 mm. A force of 2000 N is applied to the end to stretch the rod by 1.00 mm. What
1. 1 answer
2. asked by Jon
3. 1,012 views
A conductor consists of a circular loop of radius R and two straight, long sections The wire lies in the plane of the paper and
1. 1 answer
2. asked by ANITA
3. 1,004 views
A block accelerates at 3.3 m/s2 down a planeinclined at an angle 27.0�. m μk 3.3 m/s2 27� Find μk between the block and the
1. 1 answer
2. asked by james
3. 1,004 views
A Cyclist is riding on a path whose elevation is modeled by the function f(x) = 0.08(16x-x^2) where x and f(x) are measured in
1. 1 answer
2. asked by Lindsey
3. 1,003 views
When I swing at a nail, I drive it all the way in with probability 1/2. With probability 1/4, I hit it half-way in, and with 1/4
1. 3 answers
2. asked by Halp
3. 990 views
Which photon carries the highest energy?a) Infrared. b) Red light. c) Blue light. d) X-ray.
1. 1 answer
2. asked by Anonymous
3. 983 views
Marsha hits a tennis ball upward from the top of a 90 foot high cliff with an initial velocity of 16 ft/s. Marsha hit the ball
1. 2 answers
2. asked by anonymous
3. 983 views
Hydrogen exhibits several series of line spectra in different spectral regions. For example the Lyman series (nf = 1 in
1. 1 answer
2. asked by Andy
3. 944 views
Hydrogen exhibits several series of line spectra in different spectral regions. For example the Lyman series (nf = 1 in
1. 1 answer
2. asked by a.m
3. 899 views
In the following sentence, should "is" be replaced with "are"?Beowulf’s courage and willingness to fight to his death is what
1. 1 answer
2. asked by Briana
3. 876 views
I need help on collecting information for my research paper. Thanks in advance.Prepare a 1,400- to 1,750-word paper in which you
1. 1 answer
2. asked by Nikita
3. 873 views
Blocks A A (mass 6.50kg kg ) and B B (mass 10.50kg kg ) move on a frictionless, horizontal surface. Initially, block B B is at
1. 1 answer
2. asked by josh
3. 870 views
8x/6y divide by 2x/3y
1. 1 answer
2. asked by lisa
3. 865 views
A portion of the amino acid sequence of an enzyme from a worm is shown below.-Q-Q-Q-N-N-N-C-C Analyze the same portion of the
1. 4 answers
2. asked by Anonymous
3. 857 views
Use standards entropies and heats of formation to calculate delta Gf at 25C fora. cadmium (II) chloride (s) b. methyl alcohol,
1. 1 answer
2. asked by Olivia
3. 850 views
1. Vamos a jugar hockey.No puedo. ¡La última vez que jugué, rompí el ________! A. palo B. bate C. campeón D. partido I said
1. 3 answers
2. asked by Eri Uchi
3. 820 views
a mirror which is somewhere between the object and image, forms a virtual upright image of the object 45 cm way from the object,
1. 0 answers
2. asked by stela
3. 819 views
imageshack(.)(us)/photo/my-images/42/2vja.jpg/Open that link please , just delete the parentheses please please help me with my
1. 1 answer
2. asked by BARBIE LEE
3. 816 views
A ball is thrown horizontally from the top ofa building 45.2 m high. The ball strikes the ground at a point 78.9 m from the base
1. 1 answer
2. asked by Bob
3. 815 views
given the following information, determine the 68.3 percent, 95.5 percent, and 99.7 percent confidence intervals. Mean = 4.33,
1. 1 answer
2. asked by Anonymous
3. 805 views
using the following information, determine if the differences between the means are significant medical terminolgy class. Group
1. 0 answers
2. asked by Anonymous
3. 800 views
Heisenberg's uncertainty principle can be expressed mathematically as Δx*Δp = h/4π, where Δx and Δp denote the uncertainty
1. 4 answers
2. asked by Andy
3. 797 views
A sample of unknown metal has a mass of 36.7 g. This metal was placed in boiling water at 96.0oC until the metal had reached the
1. 1 answer
2. asked by katie
3. 787 views
A spacecraft is in circular Earth orbit at 5400km altitude.By how much will its altitude decrease if it moves to a new circular
1. 0 answers
2. asked by Judith
3. 779 views
1)a bag contains five red marbles and seven blue marbles. you pull one marble out of the bag and replace it before putting out a
1. 9 answers
2. asked by Math help
3. 768 views
When excess NaOH is added to Zn(OH)2, the complex ion Zn(OH)4 2- is formed. Determine the molar solubility of Zn(OH)2 in .10 M
1. 1 answer
2. asked by Olivia
3. 762 views
Which best describes the right answer to:The Black Death first came to Europe- a) through sailors in Italian ports. or b)
1. 2 answers
2. asked by jason
3. 760 views
Calculate the partial pressure of propane in a mixture that contains equal numbers of moles of propane (C3H8) and butane (C4H10)
1. 1 answer
2. asked by Becca
3. 737 views
1. The centers of two 11.80 kg spheres are separated by 0.09 m. What is their gravitational attraction?2. What is the ratio of
1. 1 answer
2. asked by Amanda
3. 735 views
Hoping to lure more shoppers downtown, a city builds a new parking garage in the central business district. The city hopes that
1. 1 answer
2. asked by Katie
3. 731 views
In the card game bridge, each of 4 players is dealt a hand of 13 of the 52 cards. What is the probability that each player
1. 1 answer
2. asked by la la ala ala
3. 730 views
Calculate the partial pressure of propane in a mixture that contains equal numbers of moles of propane (C3H8) and butane (C4H10)
1. 1 answer
2. asked by Becca
3. 727 views
An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on
1. 2 answers
2. asked by lisa
3. 714 views
Mortgage lenders base the mortgage interest rate they offer you on your credit rating. This makes it financially critical to
1. 3 answers
2. asked by tina
3. 693 views
The graph of the function f(x)=2^x/a passes through the points (0,b) and (2,0.8). Calculate the values of a and b.Thank you so
1. 1 answer
2. asked by Lucas
3. 682 views
A 10-year bond has a coupon rate of 7% annually and a principal payment of $1,000.0. Other similar bonds are paying 9% annually.
1. 0 answers
2. asked by Michelle
3. 680 views
According to a study by the Centers for Disease Control, the national mean hospital stay after childbirth is 2.1 days. Reviewing
1. 1 answer
2. asked by Katie
3. 679 views
A football arena measures 100ft. wide by 200ft long.The games are played on a similar rectangular field that's 150ft. long.What
1. 1 answer
2. asked by Frank
3. 679 views
Corporate bonds issued by Johnson Corporation currently yield 11.5%. Municipal bonds of equal risk currently yield 6.5%. At what
1. 0 answers
2. asked by netgear
3. 664 views
Tom the cat is chasing Jerry the mouse acrossa table surface 2.4 m oﬀ the ﬂoor. Jerry steps out of the way at the last
1. 1 answer
2. asked by Bob
3. 661 views
What volume of carbon monoxide gas (at STP) is needed when 1.31 moles of oxygen gas react completely in the following equation?2
1. 1 answer
2. asked by B
3. 661 views
How might you apply ethical philosophies and principles that summarize what you perceive to be the top five ethical issues
1. 1 answer
2. asked by kelly
3. 659 views
Study the wings of the birds in the two images below. Which of the following words applies to only one of the wing structures
1. 1 answer
2. asked by Anonymous
3. 652 views
A conductor consists of a circular loop of radius R and two straight, long sections The wire lies in the plane of the paper and
1. 0 answers
2. asked by ANITA
3. 649 views
Consider an insulating sphere with 10 microCoulombs of charge uniformly distributed through its volume. The sphere is surrounded
1. 0 answers
2. asked by manu
3. 630 views
Hydrogen exhibits several series of line spectra in different spectral regions. For example the Lyman series (nf = 1 in
1. 1 answer
2. asked by Andy
3. 630 views
Calculate the partial pressure of propane in a mixture that contains equal numbers of moles of propane (C3H8) and butane (C4H10)
1. 1 answer
2. asked by Becca
3. 624 views
A 0.411 mol sample of PCl5(g) is injected into an empty 4.65 L reaction vessel held at 250 °C. Calculate the concentrations of
1. 1 answer
2. asked by muna
3. 624 views
Determine the energy of a photon with a wavelength of 6.74 ✕ 102 nm.
1. 2 answers
2. asked by aaliyah
3. 623 views
A bicycle chain is wrapped around a rear sprocket (r = 0.041 m) and a front sprocket (r = 0.15 m). The chain moves with a speed
1. 0 answers
2. asked by Anonymous
3. 622 views
According to a study by the Centers for Disease Control, the national mean hospital stay after childbirth is 2.1 days. Reviewing
1. 1 answer
2. asked by Katie
3. 617 views
Could someone please solve these four problems with explanations? I'd like to understand how to get to the answers. Thank you!Wi
1. 1 answer
2. asked by Samantha
3. 616 views
Jim and joe are training for a big race by running a total of 60 laps around the school track. On the first day, and on each day
1. 1 answer
2. asked by Sora
3. 610 views
Heisenberg's uncertainty principle can be expressed mathematically as Δx*Δp = h/4π, where Δx and Δp denote the uncertainty
1. 1 answer
2. asked by a.m
3. 603 views
Originalists often hold that it is incorrect to use the Equal Protection Clause of the Fourteenth Amendment to strike down laws
1. 3 answers
2. asked by Anonymous
3. 600 views
What are the inputs and outputs of the proton pump?
1. 1 answer
2. asked by Anonymous
3. 599 views
Heisenberg's uncertainty principle can be expressed mathematically as Δx*Δp = h/4π, where Δx and Δp denote the uncertainty
1. 1 answer
2. asked by a.m
3. 596 views
What volume of carbon dioxide gas (at STP) is produced when 1.01 moles of oxygen gas react completely?2CO + O2 -> 2CO2
1. 1 answer
2. asked by Dakota
3. 591 views
All of the following should be considered competitors, with the exception of which one? Existing competitors, Indirect
1. 1 answer
2. asked by Sheryl
3. 589 views
A bullet is fired horizontally with a velocity of 250 m/s from the top of a building 100m high. Find the Horizontal and vertical
1. 1 answer
2. asked by purplekish
3. 584 views
an insect undergoes major changes in its life cycle - from egg, to larva, to pupa, to adult. This insect goes through what?
1. 3 answers
2. asked by Steve
3. 580 views
A restaurant with over 300 employees in 3 different locations with the owner solely running the business.Explain how automation
1. 1 answer
2. asked by Patrice
3. 568 views
A politician claims that she will receive 59% of the vote in an upcoming election. The results of a properly designed random
1. 0 answers
2. asked by Lauren
3. 565 views
According to a study by the Centers for Disease Control, the national mean hospital stay after childbirth is 2.1 days. Reviewing
1. 1 answer
2. asked by Katie
3. 564 views
Determine the one sided limit of f(x) s x approaches -2 from the right side.F(X) = (x^2-2x+4)/(x^3+8). I do not know where to
1. 2 answers
2. asked by Samantha
3. 562 views
three electric charges, 3e, 3e and 12e, where "e" is proton charge, are placed at three of four vertices of a square of side
1. 0 answers
2. asked by manu
3. 556 views
I need help finding information on this question please.Discuss the importance of lifelong learning and brain stimulation to
1. 1 answer
2. asked by Sade
3. 550 views
Company A rents copiers for a monthly charge of $200 and $0.08 per copy. Company B rent copiers for a monthly charge of $400 and
1. 3 answers
2. asked by P
3. 548 views
A mass is oscillating with amplitude A at the end of a spring.How far (in terms of A) is this mass from the equilibrium position
1. 0 answers
2. asked by Aziz
3. 545 views
A series of standard solutions of benzene in toluene solvent is to be prepared for an internal standard procedure with
1. 0 answers
2. asked by lori
3. 542 views
Acoustics. How do engineers design buildings to reduce noise pollution?
1. 1 answer
2. asked by Janee
3. 541 views
What mass of ammonia is produced when 1.48 L of nitrogen (at STP) react completely in the following equation?N2 + 3H2 --> 2NH3
1. 1 answer
2. asked by B
3. 537 views
A light inflexible cable is wrapped around a cylinder of mass , radius , and moment of inertia about the center of mass . The
1. 0 answers
2. asked by Anonymous
3. 532 views

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