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2012
April

Questions Asked on April 25, 2012

Three individuals form a partnership and agree to divide the profits equally. X invests $4,500, Y invests $3,500 and Z invests
1. 3 answers
2. asked by Jennifer
3. 15,768 views
The three station work cell illustrated in Figure S7.7, has a product that must go through one of the two machines at station 1
1. 1 answer
2. asked by Shelley
3. 11,798 views
A projectile is shot from the edge of a cliff 125 m above ground level with an initial speed of 105 m/s at an angle of 37.0o
1. 3 answers
2. asked by matin
3. 10,979 views
What elements of romantic comedies are present in the popular TV show Friends?
1. 0 answers
2. asked by jessica
3. 7,893 views
Our baseball team lost 9 games this season. This is 3/8 of all they played. How many games did they play this season?
1. 7 answers
2. asked by Jennifer
3. 7,115 views
Answers for A clock was exactly on time at noon on Monday. At 2 P.M. on Wednesday, it was 25 seconds slow. At that same rate,
1. 3 answers
2. asked by Jennifer
3. 6,978 views
Two ice skaters hold hands and rotate, making one revolution in 7.6 s. Their masses are 15 kg and 50 kg, and they are separated
1. 2 answers
2. asked by Amber
3. 5,305 views
Calculate the pH and percentage protonation of the solute in an aqueoussolution of 0.39 M quinine if the pKa of its conjugate
1. 7 answers
2. asked by bob
3. 5,088 views
For $1.80 a grocer buys a case of fruit which contains 12 dozen. She knows that tow dozen will spoil before she sells them. At
1. 2 answers
2. asked by Jennifer
3. 3,711 views
Root of iota plus root of minus iota
1. 2 answers
2. asked by Raghuveer
3. 3,413 views
Liquid nitrogen, which has a boiling point of 77 K, is commonly used to cool substances to low temperatures.How much energy must
1. 4 answers
2. asked by please help
3. 3,169 views
Phosphene decomposes to phosphorus and hydrogen in a first order mechanism. 4PH3(g) --> P4(g) + 6H2(g)This reaction's half-life
1. 3 answers
2. asked by Aria
3. 3,141 views
Which statement is wrong?1. Adding the same amount of heat to two different objects will produce the same increase in
1. 1 answer
2. asked by luke
3. 3,040 views
given the following data:S(s)+3/2 O2(g)->SO3(g) H=-395.2 kj 2SO2(g)+ O2(g)->2SO3(g) H=-198.2kj calculate H for the reaction
1. 1 answer
2. asked by rame
3. 2,967 views
A 60 kg student does 60 push ups in 40s . With each push up , the student must lift 70% of the body mass a height of 40cm off
1. 3 answers
2. asked by Melissa
3. 2,789 views
The force which is required to move an object of mass 500g to a distance of 4m
1. 3 answers
2. asked by Teri
3. 2,622 views
A 20-cm-diameter cylinder that is 40 cm long contains 50 g of oxygen gas at 20C.What is the number density of the oxygen? in
1. 1 answer
2. asked by Mark
3. 2,219 views
The ages of commercial aircraft are normally distributed with a mean of 13.0 years and a standard deviation of 7.5 years what
1. 2 answers
2. asked by Tanya
3. 2,059 views
in a school,7/10 of the pupils like mathematics. half of those who like mathematics are girls.if there are 240 pupils in the
1. 4 answers
2. asked by Daisy
3. 1,953 views
The weights of steers in a herd are distributed normally. The standard deviation is 200 lbs and the mean steer weight is 1200
1. 1 answer
2. asked by Anonymous
3. 1,917 views
A cylinder in a car engine takes Vi = 4.50 10-2 m3 of air into the chamber at 30° C and at atmospheric pressure. The piston
1. 1 answer
2. asked by opp
3. 1,893 views
Using the half reaction potentials calculate the E^o cell for the Ni-Al cell.Ni (aq) + 2e- <-> Ni (s) -0.25v Al3+ (aq) + 3e- <->
1. 1 answer
2. asked by Maura
3. 1,838 views
there are 1,320 ways for three students to win first,second,third place during a debate match. how many students are there on
1. 2 answers
2. asked by niki
3. 1,698 views
The grocery store sells kumquats for $4.25 a pound and Asian pears for $2 a pound. Write an equation in standard form for the
1. 1 answer
2. asked by Jessica
3. 1,629 views
On an exam whose scores followed a normal distribution, a student's z-score was+2. What percentage of students scored better
1. 2 answers
2. asked by grace
3. 1,590 views
Solve x divided by nine is less than or equal to negative three for x. Show your work
1. 1 answer
2. asked by cha
3. 1,481 views
The owner of the super supermarket would like to have a program that computers the monthly gross pay of their employees as well
1. 3 answers
2. asked by Anonymous
3. 1,420 views
calculate the concentration of borate ion for a titration when 6.0998g borax is dissolved in 100mL of water and titrated with
1. 2 answers
2. asked by Jess
3. 1,405 views
Three negatively charged spheres, each with a charge of 4*10^-6C are fixed at the vertices of an equilateral triangle wise sides
1. 1 answer
2. asked by Tsoanelo
3. 1,395 views
a uniform meter stick of mass 100g is pivoted about the 30 cm mark. a mass of 200 g is placed at the 10 cm mark. where should a
1. 1 answer
2. asked by visoth
3. 1,389 views
It takes one man one day to dig a 2m x 2m x 2m hole. How long does it take 3 men working at the same rate to dig a 4m x 4m x 4m
1. 0 answers
2. asked by Rezu
3. 1,362 views
Main Idea: The big rivers in the center of the United States have a constant power that is greater than the human uses for the
1. 1 answer
2. asked by zac
3. 1,316 views
Prefiero usar una guia para que no me pierdo.I prefer to use a guide so that I won't get lost. Is the spanish translation for
1. 1 answer
2. asked by Larry
3. 1,293 views
A cylinder contains a gas with the pressure of 125kpa at a temp. of 200k. What is the temp. of the gas at a pressure of 100kpa?
1. 2 answers
2. asked by Mina
3. 1,272 views
predict a likely mode of decay for each of the following unstable nuclides. Explain why.1.) Mo-109 2.) Fr-202 3.) Rn-196 4.)
1. 0 answers
2. asked by danielle
3. 1,268 views
Silver ion concentrations are needed for a solution. You have 0.050 M AgNO3, if you added 5.0mL of 12. M NH3 to 500.mL of this
1. 2 answers
2. asked by Shawn
3. 1,247 views
28. Good experiments have 2 key characteristics; they area. an experimental group and a confirmed hypothesis b. analysis of the
1. 0 answers
2. asked by mysterychicken
3. 1,234 views
I'm so confused please help when the kidneys secrete hydrogen ions, does the pH of the urine drop? andwhen the kidneys secrete
1. 1 answer
2. asked by Shiela
3. 1,217 views
A flag pole is supported by two wires, each attached to an anchor in the ground 10m from the base pole. The wires have angles of
1. 1 answer
2. asked by Anonymous
3. 1,152 views
How many moles of ions (cations and anions) are contained in 1.2 L of a 1.9 M solution of KCl?KCl K+ + Cl-)
1. 1 answer
2. asked by megan
3. 1,152 views
In printing an article of 30,000 words, aprinter decided to use two sized of type. Using the larger type, a printed page
1. 1 answer
2. asked by Jennifer
3. 1,148 views
the heat of fusion of water is 335 J/g. How much heat would be required to melt 97.8 g of ice
1. 1 answer
2. asked by Randy
3. 1,139 views
The mean of a set of 51 data points is 3.04. If a data value of 16 were added to the data set, what would be the approximate
1. 1 answer
2. asked by coal
3. 1,127 views
A force F=Fx ˆi + Fy ˆj + Fz ˆk acts on a particle located at X= (x, y, z). Given Fx=−88.3N, Fy=7.56N, Fz=60N, x= −3.65m,
1. 2 answers
2. asked by Amber
3. 1,093 views
For a person of height h (in inches), a healthy weight W (in pounds) is one that satisfies this system of inequalities:W is
1. 1 answer
2. asked by cheyanne marie
3. 1,087 views
A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume
1. 3 answers
2. asked by Romy
3. 1,068 views
What is the [H+] in a 0.10 M solution of ascorbic acid,C6H8O6?
1. 1 answer
2. asked by James
3. 1,065 views
Discuss 5 ways in which the substance abuse human or environmental problem impacts on the community.
1. 2 answers
2. asked by Dolly
3. 1,057 views
Should country be capitalized in the sentence: On Monday,September e, our country will celebrate Labor Day?
1. 1 answer
2. asked by stephanie
3. 1,051 views
The reaction between bromine gas and fluorine gas to create bromine monofluoride gas has reached equilibrium. What is the effect
1. 1 answer
2. asked by Rose
3. 1,048 views
A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to
1. 2 answers
2. asked by Akbar
3. 1,044 views
A solution contains 1.50 g of dissolved Pb2+ ions. How many grams of NaI must be added to the solution to completely precipitate
1. 1 answer
2. asked by annabel
3. 1,043 views
Marvin's Taxi Service charges $0.30 for the first kilometre and $0.05 for each additional km. If the cab fare was $3.20, how far
1. 4 answers
2. asked by Rezu
3. 1,041 views
Find angle 4 if angle 2 = 65 degrees and angle 4 and angle 2 are vertical angles. Explain what you did please!!!Thanks:)
1. 1 answer
2. asked by Cassie
3. 1,026 views
The proprietor of Carson Hardware Store has decided to set up a sinking fund for the purpose of purchasing a computer 2 yr from
1. 1 answer
2. asked by help please.
3. 1,024 views
Ms. Lembright ordered the types of muffins below for a class party.• 12 blueberry muffins for $7.20 • 8 chocolate muffins
1. 3 answers
2. asked by Anonymous
3. 1,014 views
How far can you see to the horizon from a mountain top that has a height of 9000 m?Use the formula V= 3.5 ��sqrt h
1. 1 answer
2. asked by Coach
3. 1,013 views
The drag force F (in pounds) of water on a swimmer can be modeled by F = 1.35s^2 where s is the swimmer’s speed ( in miles per
1. 1 answer
2. asked by cheyanne marie
3. 1,011 views
I have to create a contribution margin income statement (per unit) and need to determine how many burgers per hour I think the
1. 1 answer
2. asked by Kaity
3. 1,004 views
Your composition should be three to fiveparagraphs long. It should contain an introduction, a body, and a conclusion Analyze the
1. 1 answer
2. asked by chen yeng
3. 1,001 views
I need help with this question!!a sample of pure KHP weighing .8097g dissolved in water and titrated with 40.25 mL of NaOH
1. 3 answers
2. asked by Emily
3. 987 views
Assume personal income was $28 million last year. Personal outlays were $20 million and personal current taxes were $5 million.a
1. 1 answer
2. asked by Anonymous
3. 977 views
A sample of ammonium salt (NH4X) having a mass of 1.618g was heated with NaOH and the liberated ammonia was reacted with 50.00
1. 1 answer
2. asked by Emily
3. 969 views
the heat of fusion water is335 J/g. The heat of evaporization of water is 2.26 kJ/g, the specific heat of ice is 2.05 J/Deg/g,
1. 1 answer
2. asked by Randy
3. 965 views
Goals that are short-term, specific and challenging lead to?greater achievement. better attribution. increased internal
1. 1 answer
2. asked by Jinu
3. 962 views
Tarzan (mass 100 kg) holds one end of an ideal vine (infinitely strong, completely flexible, but having zero mass). The vine
1. 0 answers
2. asked by matin
3. 948 views
A study wants to examine the relationship between student anxiety for an exam and the number of hours studied. The data is as
1. 2 answers
2. asked by meto
3. 941 views
Three negatively charged sphere, each with a charge of a 4*10^-6C, are fixed at the vertices of an equilateral triangle whose
1. 1 answer
2. asked by Tsoanelo
3. 935 views
A car is driving up a curvy mountain road. If the car navigates at the same speed two corners that have the same radius of
1. 0 answers
2. asked by myra
3. 922 views
Carbonates react with acids to form a salt, water and carbon dioxide gas. When 25.4 g of calcium carbonate are reacted with
1. 2 answers
2. asked by Lau ra
3. 901 views
Discuss 5 ways in which the substance abuse human or environmental problem impacts on the community.
1. 0 answers
2. asked by Dolly
3. 897 views
what is the mass of a playset that is moved with 580n of force for 11 seconds at 1.5 m/s?
1. 1 answer
2. asked by Ray
3. 894 views
First estimate answer then divide to find exact answer. Simplify all answers.2 2/3 divided by 10 2/3 I don't understand how to
1. 2 answers
2. asked by Kristina
3. 892 views
i have to do matching and i can not figure theses out please help me!!!__1. annual evaluations __2. positive attitude __3. self-
1. 1 answer
2. asked by cass
3. 886 views
Necesito al doctor Ramírez, un médico que mucha experiencia en cirugías
1. 1 answer
2. asked by Anonymous
3. 881 views
for glass castle memoir i finally get assignment ms. sue i write persuasive essay, b/w deduction and induction i think deduction
1. 10 answers
2. asked by Mohammad
3. 879 views
You have an unknown concentration of ammonia. When you add 15.0mL of a 0.400 M HCl solution to 50.0mL of the ammonia solution,
1. 2 answers
2. asked by Martha
3. 873 views
Dal and Kim can assemble a swing set in 1/1/2 hrs,working alone it takes Kim 4 hrs longer than Dal to assemble the swing set.How
1. 1 answer
2. asked by Lueshelle
3. 872 views
the mean age at which men in the united states marry for the first time follows the normal distribution with a mean of 24.5
1. 2 answers
2. asked by Vondon
3. 861 views
Anna decided to start an exercise program. She kept track of how much she exercised each week. On Tuesday she took an aerobics
1. 1 answer
2. asked by kayla
3. 820 views
conversion of cyclopropane to propene
1. 2 answers
2. asked by pavani
3. 819 views
A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume
1. 0 answers
2. asked by Romy
3. 801 views
An antelope moving with constant acceleration covers the distance between two points 70.0m apart in 7.00 s. Its speed as it
1. 3 answers
2. asked by anjo
3. 799 views
Fine the complete exact value of sin x = -sqrt3/2.I'm very lost as to how to even begin this problem.
1. 3 answers
2. asked by Mary
3. 796 views
suppose two beams of white light are shone on a white screen, one beam through a pane of red glass and the other through a pane
1. 1 answer
2. asked by ashley
3. 791 views
A 1000 kg car is travelling on the highway at a constant speed of 110 km/h. The highway makes a turn that is banked at an angle
1. 0 answers
2. asked by myra
3. 764 views
Calculate the number of H2O molecules in a human body of mass 66.5 kg. Assume that, on average, water makes up 62% of the mass
1. 2 answers
2. asked by opp
3. 763 views
when is the best time to read reveiw or discussion a Question?a. immediately after you have finished all of the reading b. after
1. 1 answer
2. asked by zully
3. 733 views
a car of mass 'm'starts from rest and is driven with constant power.after some time it covers a distance 'x'.what should be the
1. 3 answers
2. asked by muhammad
3. 732 views
bank a is lending money at 5.7% interest compounded annually. The rate at bank b is 5.6% compounded monthly, and the rate at
1. 1 answer
2. asked by Justin
3. 728 views
Barry knew Alice was tired, but he was surprised that the argument between their three-year-old twin boys did not awaken her.She
1. 1 answer
2. asked by Anonymous
3. 714 views
A drone aeroplane is flying horizontally to a constant height of 4000 ft above a fixed radar tracking station. At a certain
1. 1 answer
2. asked by Paige
3. 704 views
An antenna is on a hill that makes a 5 degree angle with the horizon. The antenna is placed so that it is perpendicular to the
1. 1 answer
2. asked by Anonymous
3. 694 views
Billiard ball A of mass m_A = 0.130 kg moving with speed v_A = 2.50 m/s strikes ball B, initially at rest, of mass m_B = 0.145
1. 1 answer
2. asked by Caylee
3. 693 views
A line with the slope of -2 contains the point (-3,0). Which point also lies on this line?Answers: a.) (-1,-4) b.) (-1,4) c.)
1. 1 answer
2. asked by Taylor Leigh
3. 693 views
(6x-2y)/(x^2+xy-2y^2)-(3x+2y)/(x^2+3xy-4y^2)
1. 1 answer
2. asked by Jenna
3. 691 views
A coating of MgF2 (n = 1.38) is deposited on a glass plate (n = 1.50). Light is incident (from air)onto the plate at angle
1. 0 answers
2. asked by Evangline
3. 680 views
Your bike tire has a radius of 14 inches. If you travel a distance of 56 feet on your bike, how many complete revolutions did
1. 0 answers
2. asked by sara
3. 678 views
A fisherman's scale stretches 2.5cm when a 2.1kg fish hangs from it. What is the spring constant andwhat will be the frequency
1. 1 answer
2. asked by Pius
3. 678 views
A rectangular chalk board is 3 times as long as it is wide. If it were 3 metres shorter and 3 metres wider, it would be square.
1. 3 answers
2. asked by Rezu
3. 672 views

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