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January

Questions Asked on January 14, 2013

Which star is the densest: Antares, Spica, or Polaris?
1. 18 answers
2. asked by Anonymous
3. 8,998 views
Two forces are applied to a car in an effort to accelerate it, as shown below. The first force, F1 = 364 N, is applied at an
1. 1 answer
2. asked by Davis Parker
3. 8,798 views
Evaluate 1/2a^–4b^2 for a = –2 and b = 4.A.)2 B.)1/2 C.)3 D.)4 I think it is D. Thabk You.
1. 3 answers
2. asked by Deborah
3. 6,636 views
A punter kicks a football at an angle of 45 degrees to the ground. The football has an initial velocity of 25 m/s, make a
1. 2 answers
2. asked by Noemi
3. 6,343 views
Ship A is 70 km west of ship B and is sailing south at the rate of 25 km/hr.ship B is sailing north at the rate of 45 km/hr.how
1. 2 answers
2. asked by Dani mak
3. 5,714 views
1. George Bernard Shaw criticized The Importance of Being Earnest forA.)being too long. B.)not being funny. C.)not having real
1. 14 answers
2. asked by Deborah
3. 5,417 views
MnS(s) + 2 H+ --> Mn2+ + H2S(g)At 25 C the solubility product constant, Ksp, for MnS is 5 x 10-15 and the acid dissociation
1. 3 answers
2. asked by AL
3. 5,362 views
El Nino and the mosoon. The earth is interconnected. For example, it appears that El Nino, the periodic warming of the Pacific
1. 1 answer
2. asked by Anil
3. 4,943 views
A valid Lewis structure of __________ cannot be drawn without violating the octet rule.Answer: BeH2 Why would BeH2 break the
1. 4 answers
2. asked by Anon
3. 4,791 views
A radio transmission tower is 120 feet tall. How long should a guy wire be if it is to be attached 15 feet from the top and is
1. 1 answer
2. asked by Anonymous
3. 4,207 views
Use the reaction shown to calculate the mass of iron that must be used to obtain 0.500 L of hydrogen at STP: 3Fe(s) + 4H2O(l)
1. 3 answers
2. asked by jason
3. 3,856 views
According to the Guinness Book of WorldRecords (1990 edition, p. 169), the highest rotary speed ever attained was 2010 m/s (4500
1. 1 answer
2. asked by Emily
3. 3,673 views
Joe McCain purchased 5 $1,000 bonds at 89. The bonds pay 6%.What was the cost of the bonds? $4,450 ? What was the total annual
1. 2 answers
2. asked by jenny
3. 3,632 views
you are riding to school on the bus in a snowstorm. through the window, you see a lighted sign that gives the temperature as 26
1. 16 answers
2. asked by Taylor
3. 3,265 views
Simplify (2t^–3)^3(0.4r)^2A.)3.2r2 B.)1.28r^2/t^-6 C.)1.28R^2/t^9 D.)0.8r^2/t^-6 I think it is A. Thank You.
1. 2 answers
2. asked by Deborah
3. 3,082 views
The flask shown here contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.270 M NaOH.What
1. 3 answers
2. asked by Paul
3. 3,076 views
A bag is dropped from a hovering helicopter. The bag has fallen for 1.8 s. What is the bag's velocity?How far has the bag
1. 2 answers
2. asked by Billy
3. 2,750 views
The butcher shop sells a 3 lb package of chicken legs for $9.57.The supermarket sells chicken legs for $7.68/kg. Determine the
1. 2 answers
2. asked by alan
3. 2,703 views
As the number of solute particles in a given volume of solution increase will:freezing point increase, vapor press decrease? or
1. 1 answer
2. asked by Thomas
3. 2,562 views
One type of lubricating oil weighs approximately 52 pounds per cubic foot, or 7 pounds per gallon. A 42-gallon barrel will hold
1. 1 answer
2. asked by Anonymous
3. 2,532 views
Nathaniel is driving his sports car down a four lane highway at 40m/s. He comes up behind a slow moving dumptruck and decides to
1. 1 answer
2. asked by RANDY
3. 2,436 views
at which temperature will water boil when the external pressure is 30 kPa?
1. 1 answer
2. asked by Anonymous
3. 2,266 views
Can somebody write an acrostic poem for the ELEMENT mercury?? Thank you very much
1. 6 answers
2. asked by leslie
3. 2,172 views
Mary is blowing up a birthday balloon.After the first breath, the balloon has a 5 cm diameter . the diameter increases at a
1. 5 answers
2. asked by ies
3. 2,117 views
If m< JKN = 8x + 2 and m< MKL = 3x + 5, what is m< MKN? I know the answer but can you give an explanation
1. 3 answers
2. asked by Zaria
3. 2,115 views
Factor the GCF out of 5x2 - 10x?I know I need to find the GCF of the coefficients but I need to write it using the distributive
1. 2 answers
2. asked by Bob
3. 2,074 views
the 2000 population of Jacksonville,Florida was 736,000 and was increasing at the rate of 1.94% each year. At that rate, when
1. 1 answer
2. asked by hana
3. 2,061 views
Lily Adams purchased a $1,000 bond at 70. The bond pays 4%.What was the cost of the bond? What was the annual interest? What is
1. 3 answers
2. asked by jenny
3. 2,024 views
Which of the following works helped to redefine the symphony as a genre?A. Beethoven's Sixth Symphony B. Beethoven's Fifth
1. 5 answers
2. asked by Bobby
3. 1,955 views
A brick is dropped from a high scaffold.(a) What is its velocity after 4.5 s? m/s (b) How far does the brick fall during this
1. 2 answers
2. asked by Billy
3. 1,818 views
A radio transmission tower is 120 feet tall. How long should a guy wire be if it is to be attached 15 feet from the top and is
1. 2 answers
2. asked by Anonymous
3. 1,789 views
the population of Smallville in the year 1890 was 6250.assume the population increased at a rate of 2.75% per year.predict when
1. 2 answers
2. asked by hana
3. 1,714 views
1.At current rates of use, known supplies of oil and natural gas may run out in less than _____ years. (1 point) 10 100 500
1. 29 answers
2. asked by This Girl
3. 1,697 views
WHICH HAS THE HIGHER BOILING POINT PENTANE OR HEPTANE
1. 1 answer
2. asked by Anonymous
3. 1,638 views
In planning to administer a gaseous anesthetic to a patient,a. Why must the anesthesiologist take into account the fact that
1. 1 answer
2. asked by Sara
3. 1,511 views
An athlete whirls a 6.6 kg hammer tied tothe end of a 1.2 m chain in a horizontal circle. The hammer moves at the rate of 0.432
1. 1 answer
2. asked by Emily
3. 1,495 views
A board is 244 inches long, is cut into pieces that are 7 5/8 inches long. How many pieces can be cut?
1. 2 answers
2. asked by Debra
3. 1,469 views
Jane Investor purchased a $10,000 bond at 90. The annual interest is 5%.
1. 2 answers
2. asked by jenny
3. 1,412 views
A diver (mass = 75.0 kg) walks to the end of a flexible diving board. The end of the board bends down a distance of 0.55 m. The
1. 2 answers
2. asked by Shanelle
3. 1,394 views
A hockey puck has a mass of 0.120 kg and is at rest. A hockey player makes a shot, exerting a constant force of 29.5 N on the
1. 1 answer
2. asked by Billy
3. 1,384 views
Simplify (4xy2)3(xy)5A. 64x^8y^11 B. 64x^15y^30 C. 12x^2y^11 D. 12x^8y^11
1. 2 answers
2. asked by Brandi
3. 1,314 views
The sides of a square with an area of 49 cm2 will be reduced by a scale factor of 5/8.Determine the area of the reduced square
1. 1 answer
2. asked by jenny
3. 1,284 views
An aqueous solution of ethanol is 14.1M C2H5OH. The density of the solution is 0.853g/mL. What is molality of ethanol in the
1. 1 answer
2. asked by Robert
3. 1,266 views
Lily Adams purchased a $1,000 bond at 70. The bond pays 4%.What was the cost of the bond? What was the annual interest? What is
1. 0 answers
2. asked by jenny
3. 1,258 views
Find the LCM:z^4-14z^3+49z^2,3z^2-147 and 5z+35
1. 1 answer
2. asked by Zachary Gellman
3. 1,214 views
Jon is flying an airplane.He is currently 3,5000 feet in the air and he is ascending at a rate of 500 feet per minute.How many
1. 1 answer
2. asked by jack
3. 1,189 views
Will you please check my answers?1. Your employer has 600 business cards printed for you, and you give away 280 of them. To the
1. 13 answers
2. asked by Macy
3. 1,182 views
Which is greater? $5.00 or the total value of all combinations of three coins you can make using only pennies, nickels, dimes,
1. 2 answers
2. asked by Michael
3. 1,167 views
A group of 132 students chose baseball and soccer as their favorite sports in the ratio of 3:8. How many students chose soccer
1. 1 answer
2. asked by Tyler
3. 1,155 views
During the week, the basketball team practices 80 minutes for 3 days and 2 1/2 hours on Saturday. How long does the team
1. 2 answers
2. asked by Jerald
3. 1,147 views
Rita Smith owns 220 shares of Jefferson Carpet Mills. For the last calendar quarter, Jefferson Carpet Mills paid a dividend of
1. 0 answers
2. asked by Anonymous
3. 1,146 views
Will you please check my answers?1. Mary Stevens earns $6 an hour at her job and is entitled to time-and-a-half for overtime,
1. 5 answers
2. asked by Macy
3. 1,132 views
Andrea caught seven more fish than Micah. Micah caught twice as many as Peter. If they caught a total of 37 fish, how may did
1. 1 answer
2. asked by Wilton
3. 1,127 views
The mass of a string is 9.1 × 10-3 kg, and it is stretched so that the tension in it is 240 N. A transverse wave traveling on
1. 1 answer
2. asked by Grainne
3. 1,122 views
What kind of law is it when judges make the law by their decisions on the bench?___ Law
1. 0 answers
2. asked by Allyson
3. 1,118 views
A carnival ferris wheel completes five turns about its horizontal axis every minute. What is the acceleration of a passenger at
1. 1 answer
2. asked by Kinematics
3. 1,097 views
1 Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Sove for a2 4 7 3 2 Solve the set
1. 2 answers
2. asked by Mandung
3. 1,080 views
Let say you were given this equation:NiBr2 + Co = Ni + CoBr2 How can you tell which is liquid,gas,solid,aqueous? Do you just use
1. 1 answer
2. asked by Shadow
3. 1,070 views
Please complete the formula and process in arriving the answer. Please. Thank you.Nathaniel is driving his sports car down a
1. 2 answers
2. asked by RANDY
3. 1,067 views
ms.fuller has 2/6 pies left over from her party. write the number of pies left over as a fraction greater than 1.
1. 2 answers
2. asked by kineda
3. 1,064 views
500 words / 8 minuteswhats the unit rate
1. 5 answers
2. asked by 1200k
3. 1,056 views
A triangular entraceway has walls with corner angles of 50, 70, 60. The designer wants to place a tall bronze sculpture on a
1. 1 answer
2. asked by Anna
3. 1,047 views
Explain what the terms chiral atom and chiral molecule mean.write in three sentences.thanks
1. 1 answer
2. asked by Erika
3. 1,043 views
Mirette wants to plant bulbs in patterned rows in her garden. Each row will have 12 plants alternating in this pattern: red
1. 5 answers
2. asked by Anonymous
3. 1,030 views
I need to write the total ionic equation for this equation.Copper(ii)sulfate + iron = iron(iii)+ copper. Won't it be Cu2+ +
1. 3 answers
2. asked by Shadow
3. 1,012 views
You take a ride in a fast elevator to the top of a tall building and ride back down while standing on a bathroom scale. During
1. 0 answers
2. asked by Billy
3. 1,007 views
The 50 kg cylinder shown, which was initially at rest, rolls without slipping. when the speed of A is 20 cm\s, the speed of
1. 0 answers
2. asked by Jason
3. 1,001 views
As industry spread, the German government initiated reforms to improve workers’ lives. What motivated Bismarck to enact
1. 1 answer
2. asked by Sierra Smith
3. 996 views
Engineers are developing new types of guns that might someday be used to launch satellites as if they were bullets. One such gun
1. 0 answers
2. asked by Billy
3. 991 views
Bottom part of the greenhouse has a length of 350 cm, width of 220 cm, angle at the peak of the roof measures 90 degrees. Sketch
1. 0 answers
2. asked by Anonymous
3. 991 views
In a shift from earlier thinking, the social status of nineteenth-century composers became equivalent to that ofA. lords and
1. 3 answers
2. asked by Bobby
3. 971 views
Will you please check my answers?1. Mary Stevens earns $6 an hour at her job and is entitled to time-and-a-half for overtime,
1. 4 answers
2. asked by Macy
3. 968 views
A carnival ferris wheel completes five turns about its horizontal axis every minute. What is the acceleration of a passenger at
1. 2 answers
2. asked by Kinematics
3. 968 views
This is a continuation of a math problem I posted earlier. I'm a little confused by this question.From your equation, when
1. 3 answers
2. asked by Anonymous
3. 965 views
x=6y/5-8y-3y+9y,what is the value of y in terms of x ?
1. 1 answer
2. asked by gary
3. 936 views
Using math to fine 9:20 am to 5:05 pm
1. 1 answer
2. asked by Margie
3. 934 views
HelloI was wondering if someone could help me with this. P=Price Q=Quantity TR = Total Revenue Price ($) Quantity 7 0 6 100 5
1. 1 answer
2. asked by Anonymous
3. 932 views
The composer utilized the minor mode in Symphonie fantastique to representA. joy and love. B. gloom and ferocity. C. solemnity
1. 1 answer
2. asked by Bobby
3. 932 views
A male moose is 2.6 m tall and 3.2 m long, with antlers that are 1.2 m across.An artist wants to carve scale models of the
1. 1 answer
2. asked by alan
3. 920 views
Mary earns $100/day at a flower shop. She will take 2 days off without pay to attend an out of town wedding. Transportation will
1. 1 answer
2. asked by d
3. 905 views
How can you group paracrine, endocrine, and neurotransmitter into two groups? (3 different ways to condense them)
1. 0 answers
2. asked by jon
3. 890 views
What is the value of resource conservation and what are some strategies for conservation?What are some alternative energy
1. 0 answers
2. asked by Anonymous
3. 889 views
H2O2 + Heat = H2O + O2Would this be combustion or decomposition? Since the products are H2O and O2, I thought it would be
1. 5 answers
2. asked by Shadow
3. 885 views
The mughal empire gave trading rights to several EUropean countries, what assumptions about the power of those countries does
1. 0 answers
2. asked by Jessica
3. 885 views
the sum of the reciprocals of 3 consecutive positive integers is 47 divided by the product of the integers. what is the smallest
1. 2 answers
2. asked by alex
3. 879 views
The radius of a circle is 8cm, and the length of one of its chords is 12cm. Find the distance of the chord from the centre.
1. 2 answers
2. asked by Priyanka
3. 850 views
how much heat must be removed froms 20 g of water at 130 c to make 20 g water at -22 c
1. 0 answers
2. asked by ali
3. 833 views
0.550 L of 0.420 M H2SO4 is mixed with 0.500 L of 0.270 M KOH. What concentration of sulfuric acid remains after neutralization?
1. 1 answer
2. asked by Paul
3. 827 views
electrostatic interaction is important with what type of bond
1. 1 answer
2. asked by kevin
3. 820 views
A sealed flask contains 0.60 g of water at 28 degrees celcius. The vapor pressure of water at this temperature is 28.36 mmHg.Wha
1. 0 answers
2. asked by Amy
3. 814 views
Political integration iscommon in chiefdoms. common in band societies. common in tribal societies. rare in commercial societies.
1. 0 answers
2. asked by Anonymous
3. 810 views
A solution contains 2 mEq/mL of KCL (Molecular weight 74.5). If a 20 mL ampule of this solution is diluted to 1 liter what is
1. 0 answers
2. asked by Felix
3. 799 views
is 2/11 a rational number? if yes pls explain and if not alsopls explain
1. 3 answers
2. asked by solange
3. 795 views
What motivated western Europeans to explore and colonize in the wider world?
1. 1 answer
2. asked by chris
3. 778 views
When a driver brakes an automobile, friction between the brake disks and the brake pads converts part of the car's translational
1. 0 answers
2. asked by Kristal
3. 758 views
A 1060 N crate is being pulled across a level floor by a force F of 300 N at an angle of 35° above the horizontal. The
1. 0 answers
2. asked by Alyssa Thompson
3. 758 views
A clerk moves a box of cans down an aisle by pulling on a strap attached to the box. The clerk pulls with a force of 188.0 N at
1. 1 answer
2. asked by Angel R.
3. 748 views
Given a set of data pairs, how would you decide whether to use interpolation or extrapolation to find a certain value?
1. 2 answers
2. asked by carly
3. 741 views
1.At current rates of use, known supplies of oil and natural gas may run out in less than _____ years. (1 point) 10 100 500
1. 5 answers
2. asked by This Girl
3. 741 views
Hi. I am Walter White. I am good at chemistry but suck at physics. Can you help me?---------------------------------------- Bob
1. 0 answers
2. asked by Walter White
3. 726 views

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