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2012
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Questions Asked on February 14, 2012

Suppose that 8 turns of a wire are wrapped around a pipe with a length of 60 inches and a circumference of 4 inches. What is the
1. 7 answers
2. asked by Marche
3. 20,723 views
ihave two solutions. in the first solution , 1.0 moles of sodium chloride is disslved to make 1.0 liters of solution . in the
1. 1 answer
2. asked by wendy
3. 8,319 views
1. Let f be the function that is defined for all real numbers x and that has the following properties.(i) f''(x)=24x-18 (ii)
1. 2 answers
2. asked by Yoona
3. 7,844 views
When 11.0 g of calcium metal is reacted with water, 5.00 g of calcium hydroxide is produced. Using the following balanced
1. 2 answers
2. asked by Martese
3. 6,545 views
Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2(g) delta H1?MgO(s) + 2HCl(aq) ->MgCl2(aq) + H2O(l) delta H2? To make these equations add up
1. 4 answers
2. asked by Hannah
3. 5,977 views
In a particular redox reaction, Cr is oxidized to CrO4^2– and Cu2^+ is reduced to Cu^+ . Complete and balance the equation for
1. 2 answers
2. asked by Mike
3. 5,335 views
A 50-kg block is pushed a distance of 5.0 m across a floor by a horizontal force Fp whose magnitude is 150 N. Fp is parallel to
1. 1 answer
2. asked by Amy
3. 4,821 views
3. Let f be the function defined by f(x)=ln(2+sinx) for pi<=x<=2pia. Find the absolute maximum value and the absolute minimum
1. 1 answer
2. asked by Yoona
3. 4,714 views
A person is riding on a Ferris wheel of radius R. He starts at the lowest point of the wheel. When the wheel makes one complete
1. 1 answer
2. asked by Amy
3. 4,396 views
Which of the following will be more soluble in an acidic solution than in pure water?AgBr Be(OH)2 RbClO4 CaCO3 PbSO4
1. 2 answers
2. asked by Katie
3. 4,013 views
After 56.0 min, 25.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
1. 2 answers
2. asked by Anonymous
3. 3,922 views
what mass of oxygen would be required to completely burn 6.75 g of propane in the following reaction?C3H8+5O2 => 3CO2+4H2O *
1. 1 answer
2. asked by romy
3. 3,485 views
Two sides of a rhombus form a 120º angle. The length of each side is 6 in. Explain how to find the area of the rhombus, and
1. 3 answers
2. asked by Rachel
3. 3,474 views
Alan's room has an area of 18 square feet. He is planning to buy another rug twice as long and twice as wide.What is the area of
1. 8 answers
2. asked by Kara Weber
3. 3,303 views
A 300 mL sample of hydrogen gas is at a pressure of 0.500 kPa. If the pressure increases to 0.750 kPa, what will be the final
1. 7 answers
2. asked by Kristyn
3. 3,151 views
Jose said all of the multiples of 8 are also multiples of 2. Jamila said that all of the multiples of 8 are also multiples of 4.
1. 11 answers
2. asked by Meil
3. 3,066 views
A certain strain of bacteria divides every four hours. If a colony is started with 10 bacteria, then the time t (in hours)
1. 2 answers
2. asked by Melek
3. 2,813 views
You react chemical A with chemical B to make one product. It takes 100 grams of chemical A to react completely with 20 grams of
1. 3 answers
2. asked by student
3. 2,542 views
Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide:A 2.00-g sample of is reacted with 1.93 g
1. 3 answers
2. asked by Martese
3. 2,479 views
If the base of a triangle is represented by x + 4 and the height is represented by 2x, which expression represents the area of
1. 2 answers
2. asked by Anonymous
3. 2,474 views
A tree casts a shadow that is 20 feet long. A 5-foot-tall boy stands in the shadow so that the end of his shadow lines up with
1. 3 answers
2. asked by Jasmine
3. 2,296 views
Consider the reaction 3CH4(g)= C3H8(g)+ 2H2(g).Using data from Appendix C in the textbook, calculate delta G at 298 K.
1. 1 answer
2. asked by Anonymous
3. 2,261 views
A particle moves in a straight line with velocity given by v(t) =sin t metres per second. Find the total distance travelled by
1. 1 answer
2. asked by jenna
3. 2,193 views
Which of the following is NOT a true statement about historiography?A.It is never subject to change. B.It can affect the meaning
1. 2 answers
2. asked by Sariah
3. 2,177 views
Write two original sentences for each of the following seven sentence patterns:1.S-V-DO (includes S-V-DO-OC) 2.S-V 3.S-V-IO-DO
1. 7 answers
2. asked by susan
3. 2,137 views
"every nerve I had feared him; and every morsel of flesh on my bones shrank when he came near," uses all of the literary devices
1. 1 answer
2. asked by james
3. 1,934 views
Hyphens are so confusing, so I'm asking for a little help.2. Select the sentence which is correctly punctuated. A) He came in
1. 2 answers
2. asked by Jenny
3. 1,877 views
What is unusual about thymol blue? Why does thymbol blue change color at the pH that is does?
1. 1 answer
2. asked by ERIKA
3. 1,857 views
two packages at ups start sliding down the 20 degrees ramp. package a has a mass of 4.5kg and a coefficient of friction of 0.2.
1. 1 answer
2. asked by daphne
3. 1,799 views
Calculate mass of iron in tablet by spectroscopy?I have to calculate the mass of iron in a tablet..The manufacturers claim it
1. 1 answer
2. asked by Drake
3. 1,781 views
4. At time t, t>0, the volume of a sphere is increasing at a rate proportional to the reciprocal of its radius. At t = 0, the
1. 2 answers
2. asked by Anonymous
3. 1,758 views
A 615 kg racing car completes one lap in 14.3 s around a circular track with a radius of 40.0 m. The car moves at constant
1. 1 answer
2. asked by matt
3. 1,727 views
Which of the following is the study of governmental institutions and processes?A. geography B. political science C. sociology D.
1. 6 answers
2. asked by Sariah
3. 1,715 views
An equilateral triangle has an altitude of 15m. What is the perimeter of the triangle. Could someone please explain how to find
1. 2 answers
2. asked by Brandon
3. 1,707 views
Shaun collects coins. He has 24 quarters and 32 pennies in a jar. What is the ratio of quarters to pennies in the jar?
1. 6 answers
2. asked by dawit
3. 1,665 views
Which of the following is NOT something a geographer can explain to a historian?A.why people populated certain areas B.how
1. 8 answers
2. asked by Sariah
3. 1,626 views
A 80.0 N box of is pulled 20.0 m up a 30.0 Degree ramp by a force of 115 N, if the coefficient of kinetic friction between the
1. 1 answer
2. asked by Emily
3. 1,622 views
While a person is walking, his arms swing through approximately a 45° angle in 1/2 s. As a reasonable approximation, we can
1. 0 answers
2. asked by D.J
3. 1,612 views
Determine the volume of a 0.550 M KMnO4 solution required to completely react with 2.80 g of Zn.
1. 2 answers
2. asked by sie
3. 1,609 views
A math professor notices that scores from a recent exam are normally distributed with a mean of 64 and a standard deviation of
1. 1 answer
2. asked by Dora
3. 1,607 views
An airplane leaves the airport and flies due west 170 miles and then 240 miles in the direction 200°30'. Assuming the earth is
1. 0 answers
2. asked by Joe
3. 1,576 views
A 300 mL sample of hydrogen gas is at a pressure of 0.500 kPa. If the pressure increases to 0.750 kPa, what will be the final
1. 2 answers
2. asked by Kristyn
3. 1,543 views
Two angles of triangle FGH measure 33 degrees and 57 degrees.What is the measure of the third angle in FGH?
1. 3 answers
2. asked by Joshua
3. 1,532 views
A 55-kg block, starting from rest, is pushed a distance of 5.0 m across a floor by a horizontal force Fp whose magnitude is 140
1. 2 answers
2. asked by Amy
3. 1,481 views
The bongo family has three children, including a pair of twins. The third child is 3 years younger then the twins. The sum of
1. 3 answers
2. asked by Anonymous
3. 1,414 views
can youcheck these i need to write each percent to a decimal and a fraction in simplest form:39) 175% d- .00175 f: 7/4000 40)
1. 1 answer
2. asked by marko
3. 1,382 views
when 0.100mole H2S was put into a 10.0-L vessel and heated to 1132C, it gave an equilibrium maixture containing 0.0285 mol H2.
1. 1 answer
2. asked by tammie
3. 1,374 views
The blue color of the sky results from the scattering of sunlight by air molecules. The blue light has a frequency of about 7.5
1. 2 answers
2. asked by Eddie
3. 1,370 views
A Maths Literacy tutor charges R200 for an hour lesson.A)how much would it cost for a private lesson? B)What Would it cost for
1. 1 answer
2. asked by mtano
3. 1,354 views
a factory produces 150,000 lightbulbs per day. the manager of the factory estimates that fewer than 1,000 defictive bulbs are
1. 2 answers
2. asked by darlene
3. 1,329 views
Please help me. I have cut up the paper and followed the directions, I do not know what mathematical truth this is. help help
1. 1 answer
2. asked by Lucy needs help now
3. 1,293 views
A car travels West for 79 miles before turning at an angle of 22° North of East. The car continues on this path for 63 miles
1. 0 answers
2. asked by Katy
3. 1,271 views
Find the values of the six trigonometric functions for ∠A in standard position determined by the point (63, 280). Enter your
1. 1 answer
2. asked by Katy
3. 1,231 views
Mr. Clarkson and Mrs. Rose had an average of $180. After Mr. Clarkson spent $73 and Mrs. Rose received $38 from her father, Mr.
1. 1 answer
2. asked by Matthew
3. 1,230 views
Two types of prokaryotic cells have been distinguished: bacteriaand archaea. How do these cells differ from each other? How are
1. 0 answers
2. asked by myoius
3. 1,189 views
A chair lift is to be built from the bottom of the mountain (point B) to the top (point T). A surveyor found the following
1. 0 answers
2. asked by Katy
3. 1,163 views
a stone with a mass of .700kg is attached to the end of a rting 0.900m long. the string will break if its tension exceed 60.0 N.
1. 1 answer
2. asked by Jennifer h.
3. 1,155 views
A car travels at a constant speed around a circular track whose radius is 2.60 km. The car goes once around the track in 344 s.
1. 1 answer
2. asked by Joe
3. 1,137 views
Assume that there are 11 girls and 9 boys in the neighborhood club, and a team of 6 is to be selected. How many different teams
1. 2 answers
2. asked by Haley
3. 1,121 views
julie sorted 52 sports cards.she divided them into 5 equal groups.julie had 12 cards leftover.how many cards were in each group
1. 2 answers
2. asked by Anonymous
3. 1,119 views
Is a trapezoid also a parallelogram? Explain why or why not.
1. 2 answers
2. asked by Dk
3. 1,112 views
How would you prepare 10.0 Liters of a solution that was 20 parts per million sodium perchlorate in water? What would be the
1. 1 answer
2. asked by John
3. 1,108 views
What does your scatter diagram look like? Briefly describe it.Based on your prediction about the relationship between the amount
1. 2 answers
2. asked by Beverly
3. 1,094 views
Fewer than 107 girls attend a basketball camp. A total of 180 children attend at the camp. Which inequality can be used to find
1. 1 answer
2. asked by breanna
3. 1,091 views
two ends of a string in her hands and then moves her hands up and down so that a wave travels from one end of the string to the
1. 0 answers
2. asked by derick
3. 1,075 views
GOT A 102 ON FACS SPELLING TESTGOT 100 ON FACS TEST GOT A 94 ON MATH TEST GOT 80 ON MATH NTBK QUIZ GOT 100 ON ENG POSTER GOT 87
1. 3 answers
2. asked by Laruen
3. 1,064 views
ms. sue this be english continued from yesterday on story questions :)and i try to remember to put capital English now :)what be
1. 3 answers
2. asked by Mohammad
3. 1,059 views
a boat travels in still water at 2m/s. It is rowed across a river that flows at 1m/s. Determine the resultant velocity of the
1. 1 answer
2. asked by levi
3. 1,052 views
1. Which way of asking for action carries the highest level of politeness? (Points: 5)A polite order An indirect request A
1. 0 answers
2. asked by sososola2012
3. 1,052 views
Consider the following reaction.2KClO3(s) �¨ 2KCl(s) + 3O2(g) A)How many grams of KCl are produced from the complete reaction
1. 2 answers
2. asked by Kyle
3. 1,044 views
A tennis ball on Mars, where the acceleration due to gravity is 0.379 of a and air resistance is negligible, is hit directly
1. 0 answers
2. asked by Anonymous
3. 1,042 views
I included a few questions and a short paragraph about a teenager talking aboutthe internet (Do you think I should add other
1. 1 answer
2. asked by Henry2
3. 1,039 views
Live cultures of Bacillus thuringiensis (Dipel) and B. subtilis(Kodiak) are sold as pesticides.What bacterial structures make it
1. 1 answer
2. asked by AHh
3. 1,035 views
mr. and mrs.green received a discount of $87 on a new electric stove. the discount was the result of a 1/4 of sale. what was the
1. 1 answer
2. asked by Ashlee
3. 1,013 views
A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. How many are
1. 1 answer
2. asked by dee
3. 1,007 views
An aboveground pool is 5ft tall with a diameter of 40 ft is filled with water in 50 minutes. How long will it take to fill an
1. 1 answer
2. asked by Rennee
3. 1,001 views
A math professor notices that scores from a recent exam are normally distributed with a mean of 64 and a standard deviation of
1. 4 answers
2. asked by Dora
3. 994 views
38 degrees celcius is what degree F?
1. 1 answer
2. asked by Janice
3. 989 views
on a intake what are physical factors?
1. 1 answer
2. asked by Corliss
3. 989 views
I have write a evaluation essay on the movie Troop 1500. So my thesis is -Taking daughters to see their mothers in jail should
1. 2 answers
2. asked by Taylor
3. 982 views
A density bottle has a mass of 35g when empty, 85g when filled with water and 75g when filled with kerosene. Calculate the
1. 3 answers
2. asked by Abbie
3. 970 views
How did the ideas of the Enlightenment thinkers later influence the governments of the United States and France?Thanks -MC
1. 1 answer
2. asked by mysterychicken
3. 964 views
is an ENG and EFP with most strongly associated with multicamera systems?
1. 0 answers
2. asked by Willy Wonka
3. 960 views
refer to right triangle ABC with C = 90degrees. Given a= 2 and b=√5 Find the six trigonometric functions of A. and find the
1. 1 answer
2. asked by Mari
3. 956 views
Federal regulatory agencies have responsibility primarily in the area of
1. 0 answers
2. asked by j
3. 945 views
Yellow colors in fireworks are die to the 589 nm radiation of sodium ions.a.) How much energy is given off by one photon of
1. 1 answer
2. asked by Eddie
3. 942 views
How many grams of potassium phosphate must be dissolved in 3.75 Liters of water to produce a soltuion that contains 8*10^23
1. 1 answer
2. asked by Whitney
3. 926 views
What will be the concentration if 52 milliters of a solution that is 12 parts per million in sodium chloride is diluted with
1. 0 answers
2. asked by Whitney
3. 924 views
It takes Mrs. Brown exactly 3 hours and 30 minutes to drive from her home to fayetteville. Her abverage speed is 60 miles per
1. 1 answer
2. asked by dale
3. 923 views
Stevie bought a stereo for $220 and put it on sale at his store at a 70% markup rate. What was the retail price of the stereo?
1. 2 answers
2. asked by Kayla
3. 903 views
A cement block accidentally falls from rest from the ledge of a 52.1-m-high building. When the block is 19.8 m above the ground,
1. 1 answer
2. asked by Anonymous
3. 903 views
what is a personal growth paper?
1. 1 answer
2. asked by lou
3. 900 views
Assume that a committee consists of 12 people including the chairperson and that the chairperson must select a committee of 3
1. 2 answers
2. asked by Victoria
3. 898 views
Assume that a committee consists of 12 people including the chairperson and that the chairperson must select a committee of 3
1. 3 answers
2. asked by Kayla
3. 895 views
a mixture of 0.500 mol H2 and 0.500 mol I2 was placed in a 2.00-L stainless-steel flask at 430C. Calculate the concentrations of
1. 1 answer
2. asked by tammie
3. 894 views
A base has a Kb of 2.5 x 10–11. Which of the following statements is true?This is a concentrated base. This base ionizes
1. 2 answers
2. asked by Sara
3. 891 views
A force of 45 pounds is exerted along a rope attached to a crate at an angle of 30 degrees above the horizontal. The crate is
1. 0 answers
2. asked by Holly
3. 889 views
of 8Multiple Choice: Please select the best answer and click "submit." The rule below shows how to find the distance traveled of
1. 4 answers
2. asked by guerline
3. 885 views
A man with a mass of 52 kg stands up in a 66-kg canoe of length 4.0 m floating on water. He walks from a point 0.75 m from the
1. 2 answers
2. asked by sara
3. 880 views
I this paragraph correct?Many names for groups are quite interesting. Group names were commonly used at one time. Now only a few
1. 5 answers
2. asked by Mackenzie
3. 874 views

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