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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. 20,706 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. 8,295 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. 7,827 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. 6,524 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. 5,957 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. 5,317 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. 4,807 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. 4,692 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. 4,383 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. 3,993 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. 3,902 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. 3,467 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. 3,458 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. 3,296 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. 3,134 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. 3,038 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. 2,803 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. 2,531 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. 2,463 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. 2,460 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. 2,280 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. 2,245 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. 2,170 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. 2,166 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. 2,118 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. 1,922 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. 1,862 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. 1,840 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. 1,778 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. 1,760 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. 1,741 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. 1,707 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. 1,702 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. 1,683 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. 1,651 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. 1,613 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. 1,613 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. 1,593 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. 1,592 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. 1,589 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. 1,561 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. 1,530 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. 1,523 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. 1,464 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. 1,399 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. 1,360 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. 1,358 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. 1,356 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. 1,338 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. 1,312 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. 1,276 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. 1,257 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. 1,218 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. 1,217 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. 1,180 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. 1,149 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. 1,138 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. 1,121 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. 1,111 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. 1,105 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. 1,097 views
Is a trapezoid also a parallelogram? Explain why or why not.
1. 2 answers
2. asked by Dk
3. 1,095 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. 1,081 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. 1,069 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. 1,060 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. 1,049 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. 1,042 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. 1,037 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. 1,032 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. 1,031 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. 1,026 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. 1,026 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. 1,024 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. 1,001 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. 983 views
on a intake what are physical factors?
1. 1 answer
2. asked by Corliss
3. 983 views
38 degrees celcius is what degree F?
1. 1 answer
2. asked by Janice
3. 977 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. 973 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. 973 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. 965 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. 956 views
is an ENG and EFP with most strongly associated with multicamera systems?
1. 0 answers
2. asked by Willy Wonka
3. 949 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. 948 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. 945 views
Federal regulatory agencies have responsibility primarily in the area of
1. 0 answers
2. asked by j
3. 935 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. 934 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. 917 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. 913 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. 907 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. 889 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. 885 views
what is a personal growth paper?
1. 1 answer
2. asked by lou
3. 883 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. 881 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. 878 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. 877 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. 876 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. 873 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. 866 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. 855 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. 853 views

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