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2012
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Questions Asked on April 5, 2012

Postal regulations specify that a parcel sent by priority mail may have a combined length and girth of no more than 96 in. Find
1. 2 answers
2. asked by Brian
3. 9,673 views
In Chemistry class, Andrew has earned scores of 64, 69, and 73 on three tests. He must maintain an average of 70 to pass the
1. 1 answer
2. asked by amber
3. 7,638 views
The sum of 11 consecutive positive integers is 2002. What is the greatest of these 11 integers?*********************************
1. 3 answers
2. asked by Please Help w/ Math
3. 4,496 views
Addition of which of the following substances will increase the solubility of CuCO3 (s) in water ?CuCO3 ---- Cu^2+ (aq) +2
1. 4 answers
2. asked by Jessica
3. 3,967 views
when 0.20 mole HF is dissolved in water to a volume of 1.00 L, 5.8% of the HF dissociates to form F- (aq). What is the
1. 2 answers
2. asked by Elmali
3. 3,870 views
What mass of ice at 0°C can be melted by the addition of 1670 joules of heat?When the temperature is decreased on the following
1. 2 answers
2. asked by skye
3. 3,063 views
Determine whether the equation represents direct, inverse,joint,or combined variation.y=31x/wz If it is combined, please explain
1. 2 answers
2. asked by Jay
3. 2,832 views
A-the dictionary definition of a wordB-making assertions about a group that are too broad C-parts of a presentation that augment
1. 4 answers
2. asked by kevin
3. 2,649 views
Let R be the region in the first quadrant that is enclosed by the graph of y = tanx, the x-axis, and the line x = π/3h. Find
1. 1 answer
2. asked by Naseba
3. 2,526 views
a machine gun fires 10 bullets persecond into a target. each bullet weights 20 gm and had a speed of 1500 m per second .find the
1. 4 answers
2. asked by sunny
3. 2,484 views
Calculate the concentrations of H2SO3, H3O+, HSO3-, and SO32- in a 0.025 M H2SO3(aq) solution
1. 1 answer
2. asked by chamy
3. 2,463 views
Suppose a new treatment for a certain disease is given to a sample of n=200 patients. The treatment was successful for 166 of
1. 2 answers
2. asked by Kya
3. 2,458 views
if Ca and F atoms are allowed to react what will be the electron configurations and lewis structures of the resultant ions?
1. 1 answer
2. asked by Maci
3. 2,154 views
Megan wants to determine if an electrical circuit has electricity flowing through it. Which of the following evidence is proof
1. 3 answers
2. asked by Isabella please help me
3. 2,001 views
A product is assembled from 3 components X,Y,Z and the probability of these components being defective is 0.01, 0.02,0.05. i
1. 2 answers
2. asked by Taskeen
3. 1,994 views
Let f(x)=x^3-3x^2 find the absolute maximum value of f(x) on the interval [1,4]?22 hours ago - 3 days left to answer
1. 1 answer
2. asked by angel
3. 1,886 views
What grammatical structure is the italicized portion of the sentence?Although her personality had not changed at all, Megan
1. 15 answers
2. asked by john
3. 1,775 views
Below is a sample space for a family with 3 children. BGG stands for the oldest child being a boy, the middle child a girl, and
1. 5 answers
2. asked by Cheril
3. 1,707 views
1) Assume that the gold-mining industry is competitive.a) Illustrate a long-run equilibrium using diagrams for the gold market
1. 1 answer
2. asked by Silvia
3. 1,665 views
Frank owns a soda fountain and sells milkshakes. he sells 50 milkshakes per day for $5 each. his daily cost is $290, of which
1. 1 answer
2. asked by Silvia
3. 1,664 views
The sum of the 3 angles of a triangle is 180 degrees. In triangle PQR, the largest angle is twice the size of the smallest
1. 1 answer
2. asked by jorge
3. 1,633 views
A basketball team needs 5 players. The team can choose from a group of 7 players. Explain how to find the number of combinations
1. 1 answer
2. asked by Alex
3. 1,626 views
A high voltage power line carries a current of 110 A at a location where the Earth's magnetic fields has a magnitude of 5.9 x
1. 1 answer
2. asked by Matt
3. 1,591 views
A point charge q=+4.7nC is placed at each corner of an equilateral triangle with sides of 0.21m in length.a) What is the
1. 1 answer
2. asked by Derek
3. 1,576 views
_________is reduced in the following reaction:Cr2O72-+6S2O32-+14H+>2Cr3+ + 3S4O62- + 7H20 A. H+ B. Cr6+ C. S4O62- D. S2+ E. O2-
1. 1 answer
2. asked by Debbie
3. 1,567 views
A storm forms over the central part of the u.s. What direction will the storm move?A towards the north B towards the south C
1. 7 answers
2. asked by miki
3. 1,440 views
The average intensity of light emerging from a polarizing sheet is 0.807 W/m2, and the average intensity of the horizontally
1. 1 answer
2. asked by Anne
3. 1,416 views
A clock has an aluminum pendulum with a period of 1.000 s at 20.3 °C. Suppose the clock is moved to a location where the
1. 9 answers
2. asked by hania
3. 1,369 views
In a carnival game, the player selects two coins from a bag containing four silver dollars and twelve slugs.(a) Write down the
1. 0 answers
2. asked by Amanda
3. 1,369 views
why do breathing rates increase in crowded rooms. pls help
1. 1 answer
2. asked by ted
3. 1,242 views
find the volume of the solid bounded above by the surface z=f(x,y) and below by the plane region Rf(x,y)=2x^2 y;R is the region
1. 2 answers
2. asked by sol
3. 1,237 views
1. How many molecules does 36.0 grams of water represent?Change the following masses to number of particles by: A) dividing by
1. 1 answer
2. asked by Elizabeth
3. 1,237 views
An urn contains sixteen red balls and seventeen white balls. A sample of three balls is selected at random and the number of red
1. 1 answer
2. asked by Amanda
3. 1,223 views
Prove:1/cos2A+sin2A/cos2A=sinA+cosA/cosA-sinA
1. 1 answer
2. asked by Piwo
3. 1,213 views
This is really urgent so please please please help.The height(H) of an object that has been dropped or thrown in the air is
1. 2 answers
2. asked by Anonymous
3. 1,144 views
use a double integral to find the volume of the solidz= 4-x^2 - y^2 y= -2x + 2
1. 1 answer
2. asked by Anonymous
3. 1,128 views
Two spheres with charges of 4.00nC and 3.00nC are placed 0.500m apart. At what point between the two charges must the third
1. 4 answers
2. asked by Megan
3. 1,122 views
Hi, I really need help and I want to do very good on the test! I have to translate poems which are written by Native American
1. 1 answer
2. asked by Ely
3. 1,118 views
A stiff uniform wire of mass M_0 and length L_0 is cut, bent, and the parts soldered together so that it forms a circular wheel
1. 0 answers
2. asked by Joe
3. 1,115 views
Suppose that a hot air balloon moving due east at a speed of 15 mile per hour (mph) and at a constantaltitude of 100 feet passes
1. 1 answer
2. asked by Dexter Gibons
3. 1,115 views
one third of the people in a convention room are seated in three-fourths of the chairs. THe rest of the people in the room
1. 2 answers
2. asked by Audrey
3. 1,110 views
There are 15 students in Marcelo chess club. There are 2 times as many boys as girls . Howm many girls are in the club?
1. 2 answers
2. asked by nick
3. 1,095 views
find the average value of the functionf(x,y)=xe^y over the plane region R is the triangle with vertices (0,0), (1,0) and (1,1)
1. 1 answer
2. asked by Anonymous
3. 1,092 views
Write two arguments in English, one in the form of modus ponens and one in the form of modus tollens. Then, write the arguments
1. 0 answers
2. asked by Minne
3. 1,074 views
An object of mass 50kg rests on a rough plane inclined at an angle z to the horizontal. It is supported in this position by a
1. 2 answers
2. asked by Bob
3. 1,071 views
Use algebra tiles to find the difference. Let one white tile equal +1 and one black tile equal –1.
1. 3 answers
2. asked by nay nay
3. 1,067 views
If the heat of combustion for a specific compound is -1460.0 kJ/mol and its molar mass is 55.75 g/mol, how many grams of this
1. 1 answer
2. asked by catey
3. 1,062 views
A____________B 9 miles is between A and B?at 3pm Andy began travelling South at a rate of 4mi/hr from point A at the same time
1. 1 answer
2. asked by angel
3. 1,055 views
A substance (CD) decomposes into C and DAt the temperature of the experiment, 15.0% of CD is decomposed when equilibrium is
1. 2 answers
2. asked by Danielle
3. 1,054 views
Copper(I) ions in aqueous solution react with NH3(aq) according to:Cu+(aq) + 2NH3(aq) > Cu(NH3)2+ (aq) Kf=6.3x10^10 M^-2
1. 1 answer
2. asked by Jematormal91
3. 1,043 views
Write the equation for the equilibrium that exists when nitrous acid and sodium acetate are placed in solution together (do not
1. 1 answer
2. asked by chamy
3. 1,040 views
1. You should wear a swimming cap in the swimming pool.2. You should wear a swimming cap at the swimming pool. (Which
1. 1 answer
2. asked by rfvv
3. 1,028 views
What is a joule second?(not per second)ie:planks constant.Why do s orbitals (l=0)have zero angular momentum?
1. 0 answers
2. asked by nikibobs
3. 1,020 views
An investment earning simple interest rate of 1.10% per annum for a term of 5 years earned 82.50 in interest. What was the
1. 3 answers
2. asked by karen
3. 998 views
i need help with questions of this story pleaseHow to Live to Be 200 by Stephen Leacock Twenty years ago I knew a man called
1. 15 answers
2. asked by Mohammad
3. 994 views
If the critical frequency of a low-pass filter is 5 kHz, what is the filter bandwidth?
1. 1 answer
2. asked by Bert
3. 990 views
The Downtown Theater has 1 ticket window. In how many ways can 2 people line up to buy tickets?
1. 9 answers
2. asked by Cheril
3. 971 views
3. How did the Soviet Union respond to the normalization of relations between China and the United States? (1 point)Brezhnev
1. 1 answer
2. asked by Ms. Simpsonizer
3. 949 views
1. I especially liked the acting of the main actor and special effects.2. I especially liked the music and the beautiful scenery
1. 1 answer
2. asked by rfvv
3. 944 views
Evaluate effectiveness of goal setting and drive theories in explaining behaviors
1. 0 answers
2. asked by Kylie
3. 936 views
if you limit yourself to only common stock,you would seek out defensive stocks, where returns tend to go up and down by less
1. 1 answer
2. asked by julio
3. 919 views
if Ca and F atoms are allowed to react what will be the electron configurations and lewis structures of the resultant ions?
1. 2 answers
2. asked by Maci
3. 899 views
What is the pH of a saturated solution of lead(II) hydroxide?The Ksp= 4.0 X 10-15. a) 4.7 b) 7.2 c) 9.0 d) 9.1 e) 9.3 What
1. 2 answers
2. asked by Sheri
3. 896 views
find the fractions with common denominators for each pair 3 5and 1 4
1. 1 answer
2. asked by anahi
3. 895 views
What is the gerund phrase and noun function of the gerund in these sentences:1.Brett earns his income by repairing cars. 2.I
1. 11 answers
2. asked by cj
3. 879 views
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its
1. 2 answers
2. asked by dmkp
3. 866 views
In this assignment, students will analyze two possible career choices, and then write a formal analytical report effectively
1. 1 answer
2. asked by geniaj
3. 855 views
What is the relative formula mass of 2Cu(NO3)2?I could do it if it was just Cu(NO3)2 but I don't know how you deal with the
1. 2 answers
2. asked by Lucy!
3. 842 views
A 5.80 kg ball is dropped from a height of 14.5 m above one end of a uniform bar that pivots at its center. The bar has mass
1. 1 answer
2. asked by Joe
3. 812 views
A horizontal beam of alpha particles are injected with a speed of 1.3x10^5 m/s into a region with a vertical magnetic field of
1. 4 answers
2. asked by John
3. 807 views
Above what Fe2 concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 8.03?The Ksp of Fe(OH)2 is
1. 1 answer
2. asked by Jematormal91
3. 793 views
Below is a sample space for a family with 3 children. BGG stands for the oldest child being a boy, the middle child a girl, and
1. 4 answers
2. asked by Cheril
3. 792 views
from which equations is the following equation derived from:length=(time^2 * g)/4
1. 0 answers
2. asked by physics
3. 761 views
How many moles of C2H2 are produced by 3.5 mol CaC2?
1. 1 answer
2. asked by Elsa
3. 759 views
Binge Eating Disorder is diagnosed by "experiencing" binge-eating episodes (without purging) more than ---- time)s) per week for
1. 0 answers
2. asked by kevin
3. 750 views
A block with mass m1 on a plane inclined at angle ƒÑ to the horizontal is connected to a second hanging block with mass m2 by
1. 1 answer
2. asked by Lebza
3. 744 views
Find an equation of the ellipse satisfying the given conditions.Center at (-2,3) with major axis of length 8 and parallel to the
1. 1 answer
2. asked by Anonymous
3. 742 views
What is concepts of reliability and validity as they pertain to psychological testing?I have a test comming up and I am confused
1. 2 answers
2. asked by Sarah
3. 734 views
please help Calculate the volume in mm3 of a slice of potato if it is cut into the shape of a rectangular prism (volume = length
1. 2 answers
2. asked by linda
3. 733 views
A certain OTA with a transconductance of 5000 µS has a load resistance of 10 kÙ. If the input voltage is 100 mV, what is the
1. 1 answer
2. asked by Bruce
3. 724 views
He checked out the books yesterday from the library.(Is this correct? What is the opposite of 'checked out'? Can we use 'checked
1. 1 answer
2. asked by rfvv
3. 721 views
The owner of a clothing factory wants to make more winter coats. According to the law of increasing costs, what will happen
1. 1 answer
2. asked by Anonymous
3. 715 views
Researchers have also found differences in public opinion by ethinicity and race. In general,_________, are significantly more
1. 5 answers
2. asked by Shani
3. 713 views
find the volume of the solid bounded above by the surface z=f(x,y) and below by the plane region Rf(x,y)= 4-2x-y;
1. 1 answer
2. asked by sol
3. 712 views
Suppose that you are an accident investigator and you are asked to figure whether or not the car was speeding before it crashed
1. 0 answers
2. asked by Anonymous
3. 705 views
Weekly demand for eggs stocked by Waumini grocers is normally distributed. The mean is 500 trays and standard deviation is 100
1. 0 answers
2. asked by Anonymous
3. 693 views
Divide: the reduce to lowest terms 1 4/7 divided by 4/10
1. 2 answers
2. asked by Anonymous
3. 691 views
jack invested $4000 in two accounts. one pays simple interest at the rate of 5% and the other pays simple interest at the rate
1. 1 answer
2. asked by pb
3. 690 views
two resistors are connected in parallel. Their resistances are 6 ohms and 10 ohms. What is the resistance, (R), of the
1. 1 answer
2. asked by Nancy
3. 687 views
A radio station with a power of 20 kW sends out an omnidirectional wave at 1.25 MHz.a. If the electromagnetic wave has an
1. 2 answers
2. asked by charlie
3. 674 views
For the balanced reaction 2 Na + 2 H2O -->2 NaOH + H2how many grams of Hydrogen are produced if 120 g of Sodium are available?
1. 1 answer
2. asked by Henry
3. 671 views
EAT AT MY RESTAURANT-CASH FLOWWith this case, we review the cash flow of several restaurant companies. The restaurant companies
1. 0 answers
2. asked by Lissa
3. 648 views
if 20g of sugar are added to a beaker filled with 200g of water what is the percent composition of the solution ?
1. 2 answers
2. asked by Ryan
3. 646 views
The primary voltage is still 120 V and the number of primary turns = 60, but now the power in the primary side is 3000 Watts and
1. 1 answer
2. asked by brit
3. 640 views
Consider a body falling through the air. The force due to air resistance is given by, F(air)=CAv^2, where C is the coefficient
1. 0 answers
2. asked by jim
3. 634 views
Identify 5 different materials that you encounter or use on a daily basis, and identify a mineral that is mined to supply each
1. 2 answers
2. asked by Kelly
3. 630 views
How do I write the skeleton equation then balance the following (step by step):hydrogen+bromine---> hydrogen bromide
1. 1 answer
2. asked by Nancy
3. 630 views
Prove:1/cos2A+sin2A/cos2A=sinA+cosA/cosA-sinA
1. 1 answer
2. asked by Piwo
3. 622 views
Suppose that you are an accident investigator and you are asked to figure whether or not the car was speeding before it crashed
1. 0 answers
2. asked by Anonymous
3. 617 views
Determine all discontinuities that exist on the graph of y = f(x) shown below. Please show your reasoning by justifying your
1. 1 answer
2. asked by Nanda
3. 617 views

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