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Questions Asked on December 20, 2010

A 2.00-kg block of ice is at STP (0¢XC, 1 atm) while it melts completely to water. What is its change in entropy? (For ice, Lf
1. 6 answers
2. asked by Shawn
3. 2,966 views
how to make 29 9ths a mixed number
1. 1 answer
2. asked by Rachel
3. 356 views
nlim(n→+∞)⁡ ∑ (3/4)^k = k=1
1. 3 answers
2. asked by Raj
3. 339 views
a 4.0 m hockey puck is moving horizontally at 5.0 m/s. the amount of work that must be done on the puck to stop it is?
1. 1 answer
2. asked by Josh
3. 351 views
evaluateintegral of |x+1| going from -3 to 2. i.e 2 ∫ |x+1| = ? -3
1. 1 answer
2. asked by anton
3. 296 views
A 15 kg concrete block fell from a height of 20 meters and hits the ground below. If all of its original potential energy (PE)
1. 1 answer
2. asked by Gloria
3. 433 views
How and why did Eisenhower use the politics of consensus with Congress to achieve compromise
1. 1 answer
2. asked by Ann
3. 419 views
Both H2O and CO2 have 3 atoms, yet one is polar and one is nonpolar. Explain why, using Lewis dot structures in your answer
1. 1 answer
2. asked by ashley
3. 621 views
correct this sentence; Their are three kids in the room.
1. 1 answer
2. asked by john adams
3. 368 views
As you enter your Grandma Thorndike's house you ears being to hurt as you notice she is once again playing her favorite "Contry
1. 1 answer
2. asked by Anna
3. 535 views
Three point charges lie in a straight line along the y-axis. A charge of q1 = -9.50 µC is at y = 6.30 m, and a charge of q2 =
1. 1 answer
2. asked by Ed
3. 2,508 views
nlim(n→+∞)⁡ ∑ (3/4)^k = k=1 the n is supposed to be above the sigma sign and the k=1 is supposed to be below the sigma
1. 2 answers
2. asked by Raj
3. 512 views
A basketbal team makes 65% of its baskets from the field. How many attempts would it take the team to make 26baskets?
1. 1 answer
2. asked by Zabrieya Easley
3. 791 views
Points A and B are 150 m apart on one bank of a river. Point C is on the other bank of the river. The line of sight distance
1. 1 answer
2. asked by Ansley
3. 823 views
the period of revolution of a satellite is 90 min. Find the radius of the orbit assuming an acceleration of 9.8 m/s/s.
1. 1 answer
2. asked by Elise
3. 437 views
If radius = 1.25 when i am swinging a bucket around and around what is the slowest possible speed i can go without it spilling?
1. 1 answer
2. asked by Elise
3. 652 views
I need help on my assignment that is due by 12midnight. It is now 8:12pm here. It is on Risk Assignment: Risk AssessmentYou are
1. 13 answers
2. asked by Sharon
3. 643 views
amy gets 1 hour for lunch at her job. Today she used 1/4 hour to eat and 2/5 hour to run an errand. She spent the rest of her
1. 1 answer
2. asked by Karli
3. 990 views
how can i fine the volume of 17cm 13cm 10cm
1. 2 answers
2. asked by alex
3. 495 views
a satellite orbits the earth at an altitude of 5000 m above the surface of the earth. Assuming that acceleration due to gravity
1. 1 answer
2. asked by Elise
3. 731 views
Market research has shown that at a price of $230, 100 number of plasma TV’s are sold and if the price is reduced to $190,
1. 1 answer
2. asked by Crystal
3. 549 views
I need help with this
1. 1 answer
2. asked by carol
3. 501 views
can you explain inverse operations to solve an inequality program?
1. 1 answer
2. asked by Karli
3. 208 views
Due Day 7 – Pay Raise Exercise – Post to Assignments link as Word.doc attachmentComplete the exercise 10.2 “The Pay
1. 6 answers
2. asked by Ralo
3. 502 views
1. For what value(s) of x is f(x) = (x-1) / (x^2 - 1) discontinuous?2.) f(x) = (1)/(x^2) is continuous for all real numbers
1. 1 answer
2. asked by Maya
3. 584 views
Please help me. acc225 Internal controlrecommendations •Complete Exercise 8-1 What internal control procedures would you
1. 1 answer
2. asked by carmen
3. 846 views
Evaluate2 ∫ |x+1| -3
1. 1 answer
2. asked by Carla
3. 476 views
A solid sphere at rest at the top 12.0 m inclined plane rolls down the incline. How high vertically does it rise of the other
1. 2 answers
2. asked by George
3. 435 views
A solid disk pulley of mass 2.00 kg and a radius of 30.0 cm is rotated by a block mass of 0.500 kg falling from rest, a distance
1. 2 answers
2. asked by George
3. 667 views
what is the KE of a 6 kg mass at 4 m/s
1. 1 answer
2. asked by Anonymous
3. 803 views
if several values equal to the mean of the distribution, are added to the distribution what will happen to the range?
1. 1 answer
2. asked by Anonymous
3. 375 views
I am having a difficult time finding enough information on what specific offenses would preclude teacher candidates from
1. 2 answers
2. asked by Sam
3. 966 views
A ball of mass 0.640 kg moving east (+x direction) with a speed of 3.00 m/s collides head-on with a 0.740 kg ball at rest. If
1. 2 answers
2. asked by Brittany
3. 1,381 views
The kilogram snowboarder stands at the top of a slope that rises 27.14 meters above the valley floor. After sliding down the
1. 0 answers
2. asked by Vanessa
3. 434 views
A jet (m = 4.00 105 kg), flying at 139 m/s, banks to make a horizontal circular turn. The radius of the turn is 3810 m.
1. 1 answer
2. asked by jessica
3. 696 views
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.80 104 m/s, and the radius of the
1. 1 answer
2. asked by jessica
3. 600 views
A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 1.30 104 s. What is the
1. 1 answer
2. asked by jessica
3. 838 views
In designing rotating space stations to provide for artificial-gravity environments, one of the constraints that must be
1. 2 answers
2. asked by jessica
3. 2,368 views
Let x be a random variable representing dividend yield of Australian bank stocks. We may assume that x has a normal distribution
1. 0 answers
2. asked by kenya
3. 977 views
Please help me.Internal controlrecommendations What internal control procedures would you recommend in each of the following
1. 1 answer
2. asked by carmen
3. 786 views
What is the radius of a circle whose area is 616 square units?
1. 3 answers
2. asked by Anonymous
3. 1,327 views
I am trying to find out how to find the slope for x+12=y and y-x=-8, and also to find out if they are parellel.
1. 1 answer
2. asked by Tammy
3. 315 views
The price of a jacket is $48. If the sales tax rate is 5.5%, what is the amount of tax? What is the total cost of the jacket?
1. 3 answers
2. asked by Michael
3. 1,569 views
Verify that f(x) = x^3 − 2x + 6 satisfies the hypothesis of the Mean-Value Theorem over the interval [-2, 3]and find all
1. 1 answer
2. asked by Carla
3. 516 views
Given f (x) = √(7 + x) + 4 . Use the rectangle method to approximate the area on the interval [0, 8] using 4rectangles.
1. 1 answer
2. asked by Carla
3. 661 views
Canine Company produces and sells dog treats for discriminating pet owners. The unit selling price is $10, unit variable costs
1. 2 answers
2. asked by sophia
3. 612 views
Find x* on [0, 2] such that f(x*) equals the average value of f(x) = 5x + 9 over [0, 2].
1. 1 answer
2. asked by Carla
3. 779 views
Find the average value of f(x) = x^3 + 3 for 0 ≤ x ≤ 2 and find all values of x* described in the Mean ValueTheorem for
1. 0 answers
2. asked by Carla
3. 386 views
Draw a vertical line through a normal distribution for each of the following z- score locations. Determine whether the body is
1. 1 answer
2. asked by Anonymous
3. 794 views
Add or subtract2/x^2+1/x 2/x+3/2x-3/5x 7/x^2+5/x help me step by step
1. 1 answer
2. asked by Anonymous
3. 993 views
Summerize the 4 stages of tranformational learning cycle
1. 0 answers
2. asked by menasha
3. 391 views
What is the power output of an engine the does 60,000J of work in 10s?
1. 1 answer
2. asked by Alina
3. 1,115 views
If a stone is tossed from the top of a 250 meter building, the height of the stone as a function of time is given by h(t) =
1. 2 answers
2. asked by max
3. 442 views
A 8kg ball is thrown up with an initial speed of 20m/s. Suppose there is a constant air resistence of 30N opposing the motion
1. 6 answers
2. asked by dipset
3. 458 views
A particle with a charge 7C and a mass of 20kg is traveling in a circular path around a fixed particle of charde -5C. The
1. 0 answers
2. asked by dipset
3. 514 views
A particle with a charge 7C and a mass of 20kg is traveling in a circular path around a fixed particle of charde -5C. The
1. 0 answers
2. asked by dipset
3. 530 views
a 8 kg ball is thrown upward with an initial speed of 20 m/s. suppose there is a constant air resistance of 30N opposing the
1. 1 answer
2. asked by sacrifice
3. 815 views
how can we set up column for monomer purification give the minimum lenth and diametter for the column.
1. 0 answers
2. asked by pradee
3. 323 views
give the solgel preparation of zirconium oxide powder
1. 1 answer
2. asked by pradee
3. 343 views
Please, what is the balanced equation for Potassium Bitartrate and Sodium Bicarbonate? Is there any easy way to remove the
1. 1 answer
2. asked by Doc
3. 787 views
A 200kg motorcycle is driving in a circular path at 1 rev per 5 seconds and the circle has r=12m
1. 1 answer
2. asked by Ashley
3. 327 views
Invest $23,000 in a savings account at 4.25% interest compounded quarterly.Invest into an ordinary annuity where $5,000 is
1. 3 answers
2. asked by Diane
3. 747 views
A solution is made up by dissolving 14.8 g Na2CO3 · 10 H2O in 110.5 g of water. What is the molality of Na2CO3 in this
1. 2 answers
2. asked by Jintau
3. 668 views
Calcium chloride, CaCl2, has been used to melt ice from roadways. Given that a solution is 25% CaCl2 by mass, estimate the
1. 2 answers
2. asked by Akkam
3. 1,569 views
The diving atmosphere used by the U.S. Navy in its undersea Sea-Lab experiments consisted of 0.036 mole fraction O2 and 0.058
1. 1 answer
2. asked by Nagaa
3. 555 views
8. If x grams of S are needed to obtain 0.4 grams of SO3, how many grams of SO2 can be obtained from the same amount of S?(A)
1. 2 answers
2. asked by Anna
3. 523 views
the history of tfe atom
1. 1 answer
2. asked by the history of the atom
3. 311 views
is 30 years the average age of a population? describe its population and distribution
1. 1 answer
2. asked by tasha
3. 371 views
"Doctor Pérez, me duele mucho la pierna. ¡Ay!""Miguel, ¿te duele _____ ?" a. la derecha o la izquierda b. el derecho o el
1. 5 answers
2. asked by Lily
3. 504 views
"Mi abuela está en el hospital.""Qué lástima! ____" a. No vale la pena. b. ¿Qué te duele? c. No lo sabía. d. ¿Qué
1. 3 answers
2. asked by Lily
3. 518 views
Two parallel lines are cut by a transversal. Angles M and P are alternate interior angles. Angle M measures (10x + 50)° and
1. 3 answers
2. asked by Marquise
3. 1,376 views
The temporary owners equity are closed because they apply to only one accounting period?
1. 2 answers
2. asked by Anonymous
3. 641 views
Two sinusoidal waves of the same frequency travel in the same direction along a string. If ym1 = 4.2 cm, ym2 = 5.9 cm, ö1 = 0,
1. 0 answers
2. asked by mounir
3. 1,167 views
Given that electricity is priced at constant 13.5 pence per kWh and central heating oil (kerosine) varies in price between 39
1. 0 answers
2. asked by Mike
3. 454 views
The frequency of an electon orbiting a nyclear is 1000000000 cps and the radius is 5 * 10 to the -12m. Find the velocity of the
1. 1 answer
2. asked by Elise
3. 366 views
What does * mean in math? thanks for ur helpAbby
1. 5 answers
2. asked by Abby
3. 364 views
question: what are your thoughts onthe idea that television has turned out to isolate people instead of bringing them together.m
1. 6 answers
2. asked by mahwish
3. 746 views
where does scene one take place in act four ?
1. 1 answer
2. asked by mugga
3. 330 views
Suppose the legislature of Pennsylvania adopts a new law. This type of law is called a/an A. bill. B. code. C. statute. D.
1. 1 answer
2. asked by Benn
3. 486 views
a race car travels along a raceway at a constant velocity of 200 km per hour.what horizontal force acts and what is the net
1. 1 answer
2. asked by Anonymous
3. 714 views
Two polygons are congruent and the perimeter of the first polygon is 38 cm. If the sides of the second polygon are consecutive
1. 1 answer
2. asked by Anonymous
3. 738 views
A 2kg ball attached to the ceilling with a string is released and swings back and forth. Assume there is no air resistance. At
1. 1 answer
2. asked by karen
3. 461 views
"The Fed should simply increase the money supply at the same rate that the full employment economy grows, and the government
1. 1 answer
2. asked by tom
3. 822 views
Assume that you start with $900 per month healthcare increase and add five percent(5%) per year for the two (2) remaining years
1. 0 answers
2. asked by Rochelle
3. 333 views
The average age of a vehicle registered in the U.S. is 8 years, or 96 months. If a random sample of 36 vehicles is selected,
1. 1 answer
2. asked by Jana
3. 2,180 views
an arctic flying to antarctica encounters a storm. The term changes direction to fly around the storn. if the tern flies 46 km
1. 2 answers
2. asked by mike
3. 702 views
Hello, I need did a subtraction problem with mixed numbers by converting the LCD of the denominator.However, when I went to
1. 4 answers
2. asked by Suzanne
3. 981 views
If the standard deviation of a population is 56 and we want the standard error (the standard deviation of the sample mean) to be
1. 2 answers
2. asked by Jana
3. 1,064 views
An empty rubber balloon has a mass of 0.0100 kg. The balloon is filled with helium at a density of 0.181 kg/m3. At this density
1. 3 answers
2. asked by april
3. 2,307 views
A juggler throws a ball from height of 0.950 m with a vertical velocity of +4.25 m/s and misses it on the way down. What is its
1. 1 answer
2. asked by sabeen
3. 385 views
Your friend has climbed a tree to a height of 6.00 m. You throw a ball vertically up to her and it is traveling at 5.00 m/s when
1. 2 answers
2. asked by sabeen
3. 466 views
Sam tosses a ball horizontally off a footbridge at 3.2 m/s. How much time passes after he releases it until its speed doubles?
1. 2 answers
2. asked by dan
3. 501 views
ABC Health Care’s insufficient record-tracking system has created a backlog of incomplete medical records.
1. 2 answers
2. asked by Shala
3. 408 views
You made a bank deposit in UK sterling that matures next December. The interest rate was 10% while home rates are only 4%. You
1. 0 answers
2. asked by Michelle
3. 386 views
m+8+2+n
1. 5 answers
2. asked by Andrew
3. 308 views
Combine like terms a + a/4 + 3a/4 + 2a
1. 2 answers
2. asked by Andrew-2
3. 366 views
How many terms are in this sum?5x - 6a + 8
1. 1 answer
2. asked by Andrew-3
3. 371 views
The surface of the sun has a temperature of about 6.0 103 K. This hot gas contains hydrogen atoms (m = 1.67 10-27 kg). Find the
1. 1 answer
2. asked by Kieran
3. 784 views
determine whether each conjecture is true or false. Give a counterexample for any false conjectureGiven: Points A and B are
1. 1 answer
2. asked by Cee
3. 1,657 views
A young male adult takes in about 4.0 10-4 m3 of fresh air during a normal breath. Fresh air contains approximately 21% oxygen.
1. 1 answer
2. asked by Cheyenne
3. 1,638 views

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