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2011
April

Questions Asked on April 9, 2011

if asphalt costs $0.78 per square foot, determine, to the nearest cent, the cost of paving the shaded circular road with center
1. 2 answers
2. asked by Mingma
3. 5,705 views
From an 8 inch by 10 inch rectangular sheet of paper, squares of equal size will be cut from each corner. The flaps will then be
1. 3 answers
2. asked by tammy
3. 5,662 views
magnesium hydroxide + hydrobromic acid -->is the formula for that Mg(OH)2(s) + HBr(aq) ->H2O(l) +BrOH(s) and are the physical
1. 2 answers
2. asked by hannah
3. 5,289 views
A boy on a bucycle drags a wagon full of newspapers at 0.80m/s for 30 minutes using a force of 40N. How much work has the boy
1. 3 answers
2. asked by kelly
3. 4,657 views
An accelerating voltage of 2.46 * 10^3 V is applied to an electron gun, producing a beam of electrons originally traveling
1. 2 answers
2. asked by Rachel
3. 3,634 views
In the parallel circuit, if the current put outby the battery is 3 A and the current through R1 is 1 A, what is the current
1. 1 answer
2. asked by Leslie
3. 3,547 views
Two very long, straight, parallel wires carry currents that are directed perpendicular. Wire 1 carries a current I1 into the
1. 1 answer
2. asked by Rachel
3. 3,286 views
predict whether or not a precipitate will form if you mix 75ml of a NaOH solution with pOH = 2.58 with 125ml of a 0.018M MgCl2
1. 1 answer
2. asked by glenn
3. 3,268 views
At which pressure would carbon dioxide gas be most soluble? 600torr, 700torr 800torr or 900torr
1. 2 answers
2. asked by Cookie
3. 2,615 views
Mr. Roper owns 20 apartment buildings. Each building contains 15 units that he rents for $800 per month each. Design the
1. 1 answer
2. asked by sam
3. 2,353 views
A salesperson has found that the probability of making various numbers of sales per day is presented in the following table.
1. 2 answers
2. asked by Paula
3. 2,278 views
According to a survey 35% of adults are against using animals for research. Assume that this result holds true for the current
1. 1 answer
2. asked by Sarita
3. 2,016 views
A hollow, thin-walled cylinder and a solid sphere start from rest and roll without slipping down an inclined plane of length 5.0
1. 1 answer
2. asked by Kayla
3. 1,914 views
The spiral shaft in a grain auger raises grain from a farmers truck into a storage bin. Assume that the auger does 6.2 x 10*5 J
1. 1 answer
2. asked by kelly
3. 1,624 views
How much water must be added to 24.0 grams of salt ot make a solution that is 12.0% by mass?
1. 3 answers
2. asked by Beth
3. 1,598 views
A 0.097 kg cup falls from the kitchen shelf and shatters on the ceramic tile floor. Assume that the maximum kinetic energy
1. 2 answers
2. asked by Simran
3. 1,588 views
a. Find the exact value ofsin (theta - pi/6) b. Find the exact value of cos (theta - pi/4) c. For what numbers x, -2pi less than
1. 1 answer
2. asked by Cassie
3. 1,565 views
A three-year bond has 8.0% coupon rate and face value of $1000. If the yield to maturity on the bond is 10%, calculate the price
1. 0 answers
2. asked by Monique
3. 1,434 views
1. Hay que ____ agua, ¿verdad?a. conserva b. conservar c. conservè d. conservo A. 2. Quiero dormir. Por favor, _____ la luz.
1. 3 answers
2. asked by kal
3. 1,244 views
In the sport of pole vaulting, the jumper's point of mass concentration, called the centre of mass, must clear the pole. Assume
1. 4 answers
2. asked by Anonymous
3. 1,219 views
1. a) If a photon and an electron each have the same energy of 20.0 eV, find the wavelength of each. b) If a photon and an
1. 2 answers
2. asked by Anonymous
3. 1,200 views
Can someone please help me by explaining and correcting me?1) A 0.057M solution of a weak acid has a pH of 4.93. Determine the
1. 3 answers
2. asked by polkadot
3. 1,167 views
In a reaction, 34.6 g of chromium(III) oxide reacts with 12.3 g of aluminum to produce chromium and aluminum oxide. If 23.7 g of
1. 0 answers
2. asked by Justine
3. 1,165 views
Unauthorized Downloading: A Harris Interactive survey involved 1644 people between the ages of 8 years and 18 years. The
1. 2 answers
2. asked by Andrea
3. 1,153 views
Verify that the vertices A(-6.1),B(2,-5),C(6,1) and D(2,4) are the vertices of a trapezoid. Does anyone know the steps to solve
1. 3 answers
2. asked by Rebecca
3. 1,122 views
The pH of a weak monoprotic acid, HA, is 4.55. It took 39.22 ml of 0.2334 M NaOH to titrate 25.00 ml of the acid.a. Write an
1. 1 answer
2. asked by Cassie
3. 1,104 views
Select the letter of the choice that correctly identifies the underlined word.The author frequently used co-ordinate clauses to
1. 2 answers
2. asked by anthony
3. 1,032 views
44.70 ml of 0.100 M NaOH are required to completely neutralize 50.00 ml of a weak monoprotic acid, HA. When 34.43 ml of NaOH are
1. 2 answers
2. asked by Cassie
3. 1,012 views
perform the indicated operations and simplify x-1/x-9-x+1/x+9+x-153/x^2-81
1. 1 answer
2. asked by brandee
3. 944 views
A rectangular box is to be constructed from two different materials. The box will have a square base and open top. The material
1. 1 answer
2. asked by j
3. 929 views
What addition property can you use to find the missing number?8+(6+5)=8+(5+_)
1. 2 answers
2. asked by KC
3. 903 views
A given reaction has an activation energy of 24.52 kJ/mol. At 25�C the half-life is 4 minutes. At what temperature will the
1. 1 answer
2. asked by Eddy
3. 892 views
Calculate the total change in aggregate demand because of an initial $300 decrease in investment spending, given that C = 150 +
1. 0 answers
2. asked by Eli
3. 848 views
Jill knows her average score on five tests is 88. She can find all but one test. She has tests with scores of 96,83,100, and 79.
1. 1 answer
2. asked by Nelson
3. 817 views
What are the threats to Romeo and Juliet's happiness?and How many times does the word "night" appear in Romeo and Juliet?
1. 1 answer
2. asked by Amber Henricksen
3. 791 views
The State of Idaho issued $2,000,000 of seven percent coupon, 20-year semiannual payment, tax-exempt bonds five years ago. The
1. 1 answer
2. asked by abdelrazeg
3. 783 views
Select the letter of the choice that identifies the underlined compliment1. The onset of winter gives skiers a wonderful feeling
1. 11 answers
2. asked by anthony
3. 779 views
A long, straight wire carries a current of 740 mA. A thin metal rod 45 cm long is oriented perpendicular to the wire and moves
1. 0 answers
2. asked by Martina
3. 772 views
A particle of mass m1, traveling at speed v0, collides head-on with a particle of mass m2 at rest. The collision is perfectly
1. 2 answers
2. asked by Emilio
3. 770 views
In an editorial, the Poughkeepsie Journal printed this statement: "The median price--the price exactly in between the highest
1. 3 answers
2. asked by Andrea
3. 743 views
An open box is to be constructed so that the length of the base is 4 times larger than the width of the base. If the cost to
1. 1 answer
2. asked by Jillian
3. 730 views
Determine the perimeter and area of a rectangle that has a width of 6 inches and a length of 8 inches.Using a ratio of 1:2, draw
1. 3 answers
2. asked by Amy
3. 724 views
In the parallel circuit, if the current put outby the battery is 3 A and the current through R1 is 1 A, what is the current
1. 1 answer
2. asked by maria
3. 715 views
Underline the Adjectives and Bold the Adverbs in these sentences:1. The beautiful princess cautiously walked in the forest. 2.
1. 2 answers
2. asked by tawna
3. 710 views
Is the hormone protein,steroid or glycoprotein?1. Follicle-stimulating hormone 2. Cortisol 3. Antidiuretic hormone 4.
1. 0 answers
2. asked by ivy
3. 698 views
Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the humanresources
1. 3 answers
2. asked by jacqui
3. 696 views
A reaction rate increases by a factor of 815 in the presence of a catalyst at 37 degrees C. The activation energy of the
1. 0 answers
2. asked by Eddy
3. 675 views
Guess the 4-digit combination. An X stands for a correct digit in its correct place in the combination and an O stands for a
1. 1 answer
2. asked by Matt
3. 675 views
1. Owls sleep during the day and are awake at night because of their kind ofestivation habituation* circadian rhythm
1. 0 answers
2. asked by Jesicca
3. 674 views
Assignment: Tuition Reimbursement Implementation Report· Review the following scenario: Your company has had a very profitable
1. 1 answer
2. asked by ELI2111
3. 671 views
if you have 0.454 grams of sulfur trioxide, how many moles does this represent? how many molecules? how many oxygens atoms?
1. 1 answer
2. asked by melinda
3. 640 views
A ball is hit at an angle of 36 degrees to the horizontal from 14 feet above the ground. If it hits the ground 26 feet away (in
1. 1 answer
2. asked by arun
3. 638 views
When the Indianapolis Colts recently won the Super Bowl, the numbers on the jerseys of the active players were 29, 41, 50, 58,
1. 1 answer
2. asked by Andrea
3. 636 views
1. Adjectives describe _______________ and ________________ .2. Adverbs describe _____________ , _____________ , or
1. 1 answer
2. asked by tawna
3. 636 views
The gauge pressure in each of 4 car tires is 240kpa. If each tire has a footprint of 220cm^2 , what is the mass of the car?
1. 2 answers
2. asked by Mark
3. 622 views
Which of the following pairs of substances, when mixed in any proportion you wish, can be used to prepare a buffer solution?1)Na
1. 4 answers
2. asked by Rachel
3. 612 views
AIDS Cases From 1993 to 2003 the cumulative numberN of AIDS cases in thousands can be approximated by N = -2x^2 + 76x + 430,
1. 2 answers
2. asked by patiance
3. 607 views
If the mean rate of arrival in a restaurant is 10 customers per hour, what is the probability of having 4 customers arriving in
1. 2 answers
2. asked by Pavlos Cs
3. 605 views
A ball is rolling in a straight line at a constant speed. Another ball is motionless. what do they have in common?
1. 2 answers
2. asked by Robert
3. 605 views
Heart Rate An athlete starts running and continuesfor 10 seconds. The polynomial calculates the heart rate of the athlete in
1. 1 answer
2. asked by logan
3. 605 views
I really stuck on binomial theorem and I have a whole worksheet due MondayHow do I solve (x+5y)^4 I need to really understand
1. 1 answer
2. asked by JoyceLynn
3. 581 views
Posted by polkadot on Friday, April 8, 2011 at 8:46pm.Can someone please help me by explaining and correcting me? 1) A 0.057M
1. 2 answers
2. asked by polkadot
3. 579 views
z Score: When Reese Witherspoon won an Oscar as Best Actress for the movie Walk the Line, her age was converted to a z score of
1. 1 answer
2. asked by Andrea
3. 576 views
Input a list of positive numbers (terminated by 0) into array, find the largest number in the array, and output the result. Use
1. 0 answers
2. asked by koko
3. 575 views
The production of ages at inauguration of all U.S. Presidents who had professions in the military is 62, 46, 68, 64, 57. Why
1. 1 answer
2. asked by Andrea
3. 558 views
The antacid Amphogel contains aluminum hydroxide Al(OH}3How many milliliters of 2.00(M}HCl are required to react with 80.0 mL of
1. 1 answer
2. asked by Help!!
3. 548 views
Suppose 0.0290 kg of steam (at 100.00°C) is added to 0.290 kg of water (initially at 19.7°C.). The water is inside an aluminum
1. 3 answers
2. asked by jason
3. 547 views
America Online occasionally conducts online polls in which Internet users can respond to a question. If a graph is constructed
1. 1 answer
2. asked by Andrea
3. 545 views
The Hypothetical Finance Ltd has structured a hire-purchase deal. The required to make a down payment of 20 per cent of the
1. 2 answers
2. asked by sushma
3. 541 views
What score in a distribution that has a mean of 500 and a standard deviation of 100, would identify the top 60% of scores?
1. 1 answer
2. asked by Melissa
3. 540 views
4cos(2x)+2cos(x)+3=0
1. 1 answer
2. asked by ashley --- HELP PLEASEE!!!
3. 533 views
A Hall-effect probe operates with a 120 -mA current. When the probe is placed in a uniform magnetic field of magnitude 0.0840 T,
1. 1 answer
2. asked by Rachel
3. 532 views
If the mean family size is 4.75 what is the total population of a city of 25000 families?Is it correct if I calculate it as
1. 1 answer
2. asked by Pavlos Cs
3. 531 views
How has the changing roles of human resource department changed in Response to the changes in the health care industry.
1. 0 answers
2. asked by bobbi
3. 530 views
A projectile of mass m is launched from the ground at time t = 0, with speed v0, at angle theta0above the horizontal.
1. 1 answer
2. asked by Cecille
3. 522 views
A 70 ohm resistor is connected to a 6.7 Vbattery in the circuit below.When the switch is closed, calculate the current I. Answer
1. 2 answers
2. asked by maria
3. 500 views
discuss whether or not the changes to the selection of judges is leading to a wider cross section of people becoming judges.
1. 1 answer
2. asked by elizabeth
3. 492 views
iF THE THEORETICAL YIELD IF A REACTION IS 0.121G AND THE ACTUAL YIELD IS 0.112G WHAT IS THE PERCENT YIELD
1. 2 answers
2. asked by tammy
3. 491 views
A middle-aged man has been diagnosed as being at high-risk of developing Coronary Artery Disease.* State the chemical
1. 1 answer
2. asked by lue
3. 489 views
Could someone tell me the rate for a $6000gift that grew to 7,000,000 over 200 years?
1. 2 answers
2. asked by Lib
3. 489 views
I just hav a sentence. Thank youHe had been married for two years when his wife decided to apply for a divorce (filed for
1. 1 answer
2. asked by Mike
3. 488 views
If 95% of the population has a measured IQ score between 70 and 130, what is the probability of meeting a person with a measured
1. 1 answer
2. asked by Shannon
3. 485 views
DESHAWN TOOK A LOAN OUT FOR $1,500 AT 6.4% ANNUAL INTEREST.HIS FRIEND RAY GOT A $2,000 LOAN FROM A DIFFERENT BANK AT A RATE THAT
1. 1 answer
2. asked by JOY
3. 482 views
1. I like kimchi mild.(What is the part of speech of 'mild'? Is 'mild' an objective complement?) 2. It touches rough. 3. It
1. 1 answer
2. asked by rfvv
3. 478 views
Factor the following..x^2 +16x -144=0
1. 1 answer
2. asked by Lauren
3. 466 views
i would like to able to find the percentile rank of a z score 0.313152can someone tell me how to do this.
1. 2 answers
2. asked by Ann
3. 464 views
Issa determined there is a linear relationship between how far up the hill she starts skiing and the length of her jump starting
1. 1 answer
2. asked by Kylie<3
3. 463 views
7. What are the main advantages and disadvantages of modern media delivery?
1. 2 answers
2. asked by Anonymous
3. 459 views
Rodney and Rebecca play chess together. In the last 50 games, Rodney has won 18 games.If they played a further 75 games, how
1. 1 answer
2. asked by Janie
3. 448 views
given lengths of the a rectangle are x and y show that the greatest rectangle having a perimeter of 200 cm square and thus find
1. 1 answer
2. asked by niati
3. 447 views
can someone help me with my question below? im confused i think it isTechnology Recruiting Hiring Training Organization
1. 1 answer
2. asked by Bobbi
3. 441 views
Why is it important to simplify radical expressions before adding or subtracting?
1. 1 answer
2. asked by Anonymous
3. 438 views
Given that f(x) = 3x - 2 and g(x) = 4x - 1, find f (g(x».
1. 1 answer
2. asked by chele
3. 430 views
In a reaction, 34.6 g of Cr2O3 reacts with 12.3 g of Al to produce cr and Al2O3 If 23.7 g of Cr is produced, what mass of Al2O3
1. 0 answers
2. asked by Anonymous
3. 429 views
How many moles of gas in a helium filled tank with a volume of 4.00 L when thepressure inside is 365 atm andthetemperture is 33
1. 0 answers
2. asked by Jim
3. 428 views
if a block of wood is pulled at constant speed on ice what would the friction be like
1. 1 answer
2. asked by sally
3. 416 views
Simplify, 12 divided by 1/4+2/5-2^3
1. 2 answers
2. asked by Dena
3. 413 views
7x^2-18x-7/(x-4)(2x^2-6x+3)
1. 1 answer
2. asked by Emma
3. 412 views
what is the fraction form of -0.048
1. 1 answer
2. asked by Liz
3. 407 views
How many students must we sample if we want to be within 4% of the true proportion of female students at DeVry University when
1. 0 answers
2. asked by Anonymous
3. 406 views

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