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Questions Asked on December 9, 2010

The top and bottom margins of a poster are each 12 cm and the side margins are each 8 cm. If the area of printed material on the
1. 4 answers
2. asked by Lee
3. 7,307 views
The front 1.20 m of a 1550 kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision.(a) If a car
1. 1 answer
2. asked by Brittany
3. 7,267 views
Which of the following compounds has the highest vapor pressure at 25°C?A. CH3CH2OH B. CH3OCH3 C. CH3CH2CH2Cl D. CH3CH2CH3 E.
1. 2 answers
2. asked by Jake
3. 6,432 views
If f(x)= sqrt(4sin(x)+2), then f'(0)=
1. 4 answers
2. asked by Anna
3. 5,461 views
how to find the four geometric means between 5 and 1215
1. 2 answers
2. asked by g
3. 4,869 views
1. None of the guests (has, have) left.2. Each of these apples (is, are) ripe. 3.One of my favorite songwriters (is, are) Billy
1. 8 answers
2. asked by Chris
3. 4,640 views
Urea: (NH2)2CO1. Which bonds in the molecule are polar and which are nonpolar? 2. What is the most polar bond in the molecule?
1. 2 answers
2. asked by Jashmid
3. 3,725 views
Hi I really need this question answer as a check:a helicopter holding a 70 kilogram package suspended from a rope 5.0 meters
1. 3 answers
2. asked by Rahul
3. 3,500 views
find the area of a regular hexagon with the side length 4m. round to the nearest tenth
1. 1 answer
2. asked by john
3. 3,262 views
All of the following are postulates of the kinetic molecular theory of gases exceptA. The gas molecules are in constant motion.
1. 1 answer
2. asked by Jake
3. 3,167 views
a cell is constructed by immersing a strip of silver in .10 M AgNO3 solution and a strip of lead in 1.0 M Pb(NO3)2 solution. A
1. 2 answers
2. asked by audrey
3. 3,083 views
Determine the number of bromide ions in solution when 4.23 g of magnesium bromide and 1.21 g of potassium bromide are dissolved
1. 3 answers
2. asked by Stacy
3. 3,081 views
saving bond currently worth $7600 collects 5.5% annual simple interest each year. if the bond was purchased seven yeara ago, how
1. 3 answers
2. asked by evan chen
3. 3,075 views
Search: a 1.0 kg mass weighs 9.8 n on earths surface and the radius of the earth is roughly 6.4x10 to the 6 m. what is the mass
1. 1 answer
2. asked by Tracey
3. 2,929 views
AgNO3 + NaCl produces AgCl + NaNo3 how much AgCl is produced when 3.10g of AgNO3 and .600g of NaCl react?
1. 3 answers
2. asked by alex
3. 2,783 views
Given: QS bisects ∠RQT; ∠R ≅ ∠ TProve: SQ bisects ∠RST /Users/szeringue/Documents/triangle.doc
1. 2 answers
2. asked by Sam
3. 2,755 views
what kind of shoes does a frog wear
1. 12 answers
2. asked by star
3. 2,520 views
Consider a level flight turn of a propeller-driven airplane in which the airplane makes a complete circular turn in 1.6 min. If
1. 1 answer
2. asked by beth
3. 2,260 views
Find the dimensions of the rectangle of largest area that has its base on the x-axis and its other two vertices above the x-axis
1. 1 answer
2. asked by Jordan
3. 2,210 views
A square-bottomed box with no top has a fixed volume, V. What dimensions minimize the surface area?
1. 1 answer
2. asked by Nisa
3. 2,198 views
Calculate the Gibbs free energy change for the reaction below when initial concentrations of CR3+ and Cu2+ are 1 M (F= 96500 J/V
1. 2 answers
2. asked by audrey
3. 2,048 views
a particle moves along the x-axis in such a way that its acceleration at any time t is given by a(t)= 6t - 18. At time t = 0,
1. 1 answer
2. asked by allan
3. 1,986 views
A bullet fired vertically upwards from a gun held 2m above the ground reaches its maximum height in 4sec, calculate its initial
1. 2 answers
2. asked by Saul
3. 1,973 views
If a volume of nitric oxide gas at 25.0°C increases from 2.00 L to 3.00 L, what is the final Celsius temperature? Assume
1. 2 answers
2. asked by Anonymous
3. 1,898 views
Explain how you can tell(without graphing) that the function has no x intercept and no asymptotes. What is the end behaviour?r(x
1. 2 answers
2. asked by Amanda
3. 1,745 views
how can i write a acrostic poem on beowulf?
1. 1 answer
2. asked by Anonymous
3. 1,710 views
Write as a single log : 3log2+2log8- 1/2 log4 ( simplify your answer)Ans
1. 3 answers
2. asked by Anonymous
3. 1,632 views
Joshua throws a stone horizontally from a cliff at a speed of 20m/s, which strikes the ground 2.0 seconds latera. use your
1. 1 answer
2. asked by sabina
3. 1,630 views
If y=xln(x)^2 , then dy/dx=
1. 1 answer
2. asked by Anna
3. 1,627 views
in triangle GHJ, K(2,3) is the midpoint of GH, L(4,1) is the midpoint of HJ, M(6,2) is the midpoint of GJ. Find the coordinates
1. 1 answer
2. asked by brandi
3. 1,566 views
Maggie claims that to make the measure of an angle greater, you just extend the rays. How do you respond?
1. 1 answer
2. asked by Gena
3. 1,552 views
what multiplication fact could you use to find a number that can be divided evenly by 8 and by 9
1. 5 answers
2. asked by abby
3. 1,537 views
2Fe2O3 + 3C > 4Fe + 3CO2If 6.2 mol of Fe2O3 is used, what amount of C is needed, and what amounts of Fe and Co2 are produced?
1. 2 answers
2. asked by Jashmid
3. 1,500 views
calculate the theoretical number of moles of HCl equivalent to 1 mole ofa) NaHCO3 b)CaCO3 c)Al2O3
1. 5 answers
2. asked by prince
3. 1,478 views
in a class of 50 students, 29 are democrats, 11 are business majors, and 5 of the business majors are democrats. If one student
1. 1 answer
2. asked by Anonymous
3. 1,471 views
kyle just started a new job that pays $7 per hour. He had been making $5 per hour at his old job. Kyle worked a total of 54
1. 1 answer
2. asked by Lucas
3. 1,459 views
What is the difference in blood pressure (mm-Hg) between the top of the head and bottom of the feet of a 1.008 m-tall person
1. 1 answer
2. asked by c
3. 1,437 views
Based on this financial info where a company's Beta Year = 2008, the Company's commons stock = 0.85, the Risk-Free Rate of
1. 1 answer
2. asked by Ann
3. 1,432 views
Dale Emerson served as the chief financial officer for Reliant Electric Company, a distributor of electricityserving portions of
1. 1 answer
2. asked by james
3. 1,367 views
The driver of the car traveling at a constant 25m/s sees a child suddenly run into the road. It takes the driver 0.45s to hit
1. 1 answer
2. asked by apol
3. 1,345 views
CaO + 2NH4Cl > 2NH3 + H2O + CaCl2If 112 g of CaO and 224 g of NH4CL are mixed the theoretical yield of NH2 is 68.0 g. If only
1. 1 answer
2. asked by Jashmid
3. 1,338 views
This isn't a homework/quiz question, Well I guess it is homework, But I need to find out three types of friction in a machine I
1. 0 answers
2. asked by Luna
3. 1,335 views
The normal boiling point of a liquid isA. the temperature at which all three phases are in equilibrium. B. the only temperature
1. 1 answer
2. asked by Jake
3. 1,314 views
The length of a simple pendulum is 0.58 m, the pendulum bob has a mass of 285 g, and it is released at an angle of 16 degrees to
1. 1 answer
2. asked by Jessica
3. 1,313 views
Annie rides her snowboard down a hill sloped at 25 degrees. The coefficient of kinetic friction between her and her skies is
1. 2 answers
2. asked by Jess
3. 1,276 views
2sin^2x+3cosx=3 find all solutions in the interval [0,2pi]
1. 1 answer
2. asked by Megan
3. 1,268 views
Can someone please help me.At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A,
1. 0 answers
2. asked by Rena
3. 1,256 views
1. As industry spread, the British and German governments initiated reforms to improve workers’ lives. What motivated Bismarck
1. 6 answers
2. asked by Kathy
3. 1,255 views
Having trouble with this:Verify: csc^4x-cot^4x=2csc^2x-1 *the numbers after the carets are to the power of
1. 0 answers
2. asked by Joseph
3. 1,225 views
What is the momentum of a two-particle sys-tem composed of a 1300 kg car moving east at 60 m/s and a second 1500 kg car moving
1. 0 answers
2. asked by Ashley
3. 1,222 views
A company requires the amount of $1,000,000 in 25 years to retire a bond issue. Assume they can earn 5 3/4% interest compounded
1. 0 answers
2. asked by ashley
3. 1,182 views
Diagram the simple subject and the simple predicate of each sentence.1.Where do people use machines? people/use 2. Machines
1. 6 answers
2. asked by TiffanyJ
3. 1,178 views
1. A fisherman's scale stretches 3.6 cm when a 2.5-kg fish hangs from it.What will be the frequency of oscillation if the fish
1. 3 answers
2. asked by Katelyn
3. 1,170 views
Monique is using similar triangles in her graphic-design project. The triangles are isosceles. One has a base of 5 inches and
1. 1 answer
2. asked by nicole
3. 1,156 views
In 24 g of a 7.8% by mass solution of CaSO4? How many grams of solute are present gCaSO4? how many grams of solvent are present
1. 1 answer
2. asked by Anonymous
3. 1,132 views
An unknown compound has a formula of CxHyOz. You burn 0.1523 g of the compound and isolate 0.3718 g of CO2, and 0.1522 g of H2O.
1. 2 answers
2. asked by Jashmid
3. 1,129 views
How would I go about doing this problem?146 mL of wet H2 gas is collected over water at 29.0 degrees C and room pressure of 750
1. 1 answer
2. asked by Marie
3. 1,121 views
a 15.00mL sample of NaOH was titrated to the stoichiometric point with 17.40mL of 0.2340M HCl.a) what is the molar concentration
1. 2 answers
2. asked by prince
3. 1,113 views
The specific heat capacity of Lead is 0.127J/degrees C*g. What is the molar heat capacity of Lead? What is the heat capacity of
1. 2 answers
2. asked by Brittany
3. 1,112 views
A plane traveling at 600 mph leaves 3/4 hr earlier than a plane traveling at 800 mph. when will the second plane surpass the
1. 1 answer
2. asked by regina
3. 1,081 views
Objects on the moon's surface have an acceleration due to gravity one-sixth that on the earth's. What would the 40 kg boy weigh
1. 1 answer
2. asked by Jenna
3. 1,081 views
find the exact value of cos 3.14/8
1. 2 answers
2. asked by ashely
3. 1,079 views
in 1993, 2.00 Million females particpaited in U.S Highschool sports, by 2003, the number increased to 2.86 Mill.A) Write an
1. 0 answers
2. asked by Allyson
3. 1,074 views
how do you make a budget for culinary if you don't have a figure amount to start out with?
1. 2 answers
2. asked by Rhonda
3. 1,070 views
Given: QS bisects ∠RQT; ∠R ≅ ∠ TProve: SQ bisects ∠RST
1. 0 answers
2. asked by Sam
3. 1,062 views
What is theoretical yield when 15.6g of bromobenzene & 8.3g of methyl benzoate is used in a Grignard reaction.
1. 1 answer
2. asked by margrav2
3. 1,057 views
bought a jumbo box of candy. by the time i got home kids ate 1/4 of candy. Put groceries away and another 1/2 of what was left
1. 1 answer
2. asked by kim
3. 1,047 views
A right triangle has an area of 84 ftand a hypotenuse 25 ft long. What are the lengths of its two sides?Ive gotten this far:
1. 1 answer
2. asked by Lindsay
3. 1,045 views
Find X if B is the midpoint of AC, AB=18 and AC=10x-4
1. 2 answers
2. asked by Cher
3. 1,040 views
Determine the mass of NaCl in 1.0 L of 3.0 % by mass aqueous solution of sodium chloride. The density of the solutions is 1.10
1. 4 answers
2. asked by Stacy
3. 1,036 views
E And C are mid points od line AD and line DB; line AD is congruent to line DB and angle A is congruent to angle 1. What do you
1. 1 answer
2. asked by Anonymous
3. 1,036 views
A hydraulic lift consists of a platform that is supported by a cylindrical piston, which resides in a tube connected to a
1. 2 answers
2. asked by Sam
3. 1,035 views
Maggie claims that to make the measure of an angle greater, you just extend the rays. How do you respond?
1. 3 answers
2. asked by Gena
3. 1,030 views
Elena bicycles 5km/h faster than Dennis. In the same time it takes Dennis to bicycle 57 km, Elena can bicycle 72 km. How fast
1. 1 answer
2. asked by AlgebraDummy
3. 1,010 views
A circular piece of sheet metal has a diameter of 20 in. The edges are to be cut off to form a rectangle of area 160in^2. What
1. 0 answers
2. asked by Sabel
3. 1,010 views
kyle just started a new job that pays $7 per hour. He had been making $5 per hour at his old job. Kyle worked a total of 54
1. 3 answers
2. asked by Lucas
3. 1,010 views
Why are the flat surfaces on a rectangular prism called faces?
1. 5 answers
2. asked by kelly
3. 1,009 views
charts for micro economics and macro economics
1. 0 answers
2. asked by swathi
3. 1,002 views
I still have a few doubts. I hope you can have a look at them, too. Thank you.1) The population of New York is 8,391,881
1. 1 answer
2. asked by Franco
3. 1,002 views
The centripetal acceleration of a particle moving in a circle isa=V^2/r where V is the velocity and r is the radius of the
1. 0 answers
2. asked by Nancy
3. 1,001 views
A bullet of mass 8 g strikes a ballistic pendulum of mass 2.0 kg. The center of mass of the pendulum rises a vertical distance
1. 2 answers
2. asked by joey
3. 983 views
A photon of an X-ray radiation has a wavelength of 5.50 Å. For the radiation, calculate the (a)frequency in Hertz, (b)the
1. 2 answers
2. asked by Kelley
3. 980 views
Give an example of how confidence intervals could be used in your workplace.
1. 0 answers
2. asked by Anonymous
3. 963 views
Calculate the number of grams of magnesium nitride necessary to produce 2.02 L of ammonia gas at STP.I got 4.55g for the upper
1. 1 answer
2. asked by rebekah
3. 963 views
A giant crane in Washington DC was tested by lifting a 2.232x10^6 kg load. Find the magnitude of the force needed to lift the
1. 0 answers
2. asked by Melina
3. 962 views
What is the hydroxide ion concentration in a solution with [H3O+] = 7.67*10^-9 M?
1. 0 answers
2. asked by gab
3. 959 views
The system shown below is in equilibrium. Using the fact that block A is placed on a table, has a normal force of 40.2 N and it
1. 0 answers
2. asked by Jess
3. 958 views
Andy had 20% fewer marbles than Henry. When Andy gave 80 marbles to Henry, the numbers of marbles he had left was half of what
1. 0 answers
2. asked by lesly
3. 956 views
In the following equation, which species is the oxidizing agent?KCLO3 --> KCL + KCLO4 In the same are, How do you know that Cu
1. 1 answer
2. asked by audrey
3. 952 views
Find the minimum cost of producing 20,000 units of a product, where x is the number of units of labor (at$48 per unit) and y is
1. 1 answer
2. asked by Nancy
3. 946 views
A string is wound around a uniform disk of radius R and mass M. The disk is released fromrest when the string is vertical and
1. 0 answers
2. asked by sana
3. 945 views
How many milligrams of NaHCO3 are in a 500mg tablet if 40.0 mL of 0.120M HCL is required to neutralize the sample?
1. 6 answers
2. asked by prince
3. 927 views
A hydraulic lift consists of a platform that is supported by a cylindrical piston, which resides in a tube connected to a
1. 0 answers
2. asked by Anonymous
3. 891 views
Diagram the simple subject, the simple predicate, and the direct object of each sentence. Diagram any indirect object as well.1.
1. 4 answers
2. asked by TiffanyJ
3. 887 views
A line through the origin, rotates around the origin in such a way that the angle, ¦È, between the line and the positive
1. 1 answer
2. asked by Anna
3. 868 views
1. If I didn't wear a school uniform, then I would be happy every day.2. If I didn't wear a school uniform, I would be happy
1. 1 answer
2. asked by rfvv
3. 855 views
Tom pushes a 50 kg up a ramp. The ramp is 6 m long and is set at a 15 degree angle. Starting with an initial speed of 1 m/s, Tom
1. 1 answer
2. asked by Janet
3. 842 views
Doing some test corrections and not seeing this....Please help:Verify. csc^4x - cot^4x = 2csc^2x-1
1. 2 answers
2. asked by Joseph
3. 841 views
monthly payments on a $100000 loan at 5.5% annual interest amortized over 100 years will be close to?
1. 2 answers
2. asked by evan chen
3. 838 views
Two planets, X and Y , travel counterclockwise in circular orbits about a star, as shown infigure below. The radii of their
1. 0 answers
2. asked by sana
3. 834 views

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