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2012
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Questions Asked on March 13, 2012

Suppose that water is pouring into a swimming pool in the shape of a right circular cylinder at a constant rate of 9 cubic feet
1. 2 answers
2. asked by Justine
3. 7,411 views
A garrison of 1200 men has sufficient ratios for 25 days at the rate of 2400g per man per day. If 300 man join them and the
1. 8 answers
2. asked by Elizabeth
3. 6,627 views
Two blocks are connected by a string, The smooth inclined surface makes an angle of 35 degrees with the horizontal, and the
1. 2 answers
2. asked by Priscilla
3. 6,060 views
A solid has, as its base, the circular region in the xy-plane bounded by the graph of x^2 + y^2 = 4. Find the volume of the
1. 3 answers
2. asked by Casablanca
3. 5,353 views
how do I balance the following skeleton redox equation for a reaction occurring in acidic solution. HNO2 + MnO4- yield to Mn2+ +
1. 2 answers
2. asked by Rachel
3. 3,916 views
1- IS THE AREA OF A PAPERBACK BOOK COVER CLOSER TO 28 SQUARE INCHES OR 28 SQUARE CENTIMETERS? TELL HOW YOU DECIDED.4*7=28 SQUARE
1. 15 answers
2. asked by dw
3. 3,770 views
What volume (in mL) of an 8% w/v acetic acid solution would be needed to form 2.2 L of carbon dioxide gas at 25.2 degrees
1. 3 answers
2. asked by sara
3. 3,450 views
how far will 350 jules raise a block weighing 7n
1. 3 answers
2. asked by christian
3. 3,199 views
Why did Daisy and Tom spend a year in France? in the great gatsbyThey wanted their little girl to learn French. There was no
1. 1 answer
2. asked by LAYLA
3. 3,096 views
The change in the momentum of an object (Ä p) is given by the force, F, acting on the object multiplied by the time interval
1. 1 answer
2. asked by Casablanca
3. 2,996 views
What mass of iron must react to produce3600 kJ of energy? 3Fe+2O2 →Fe3O4 ∆H=-1120kJ
1. 4 answers
2. asked by Aibonito
3. 2,780 views
Calculate the resistance of a 900 watt toaster operating at 120 volts.a) R= 10 ohms b) R=120 ohms c) R= 16 ohms d) R=1.6 ohms
1. 4 answers
2. asked by Thomas
3. 2,750 views
You (safely) bungee jump from a 200-feet tall bridge in your town. Your distance above the water's surface depends on the time
1. 1 answer
2. asked by Claries
3. 2,723 views
A rhombus has sides of 5 cm each and one diagonal is 6 cm long. Find the area of the rhombus.
1. 2 answers
2. asked by Missy
3. 2,715 views
SUPPOSE MAYA MADE ANOTHER SIGN WITH AN AREA OF 48 SQUARE INCHES. WOULD THIS SIGN BE LARGER OR SMALLER THAN THE SIGN WITH AN AREA
1. 11 answers
2. asked by dw
3. 2,654 views
NH4HS<-->NH3+H2SWhat is the minimum mass of NH4HS that must be added to the 5.00-L flask when charged with the 0.300g of pure
1. 6 answers
2. asked by student
3. 2,628 views
A car accelerates uniformly from rest to 21.0 m/s in 6.1 s along a level stretch of road. Ignoring friction, determine the
1. 1 answer
2. asked by Natasha
3. 2,586 views
A ramp leading up to a loading platform is 3 m long and 1 m high at its highest point. If the friction is ignored, what work is
1. 1 answer
2. asked by Dani
3. 2,467 views
Al(s) + H2SO4(aq)-> Al2(SO4)3(aq) + H2(g)Consider the unbalanced equation above. What volume of 0.490 M H2SO4 is needed to react
1. 1 answer
2. asked by jade
3. 2,380 views
H2SO4(aq) + NaOH(aq)-> Na2SO4(aq) + H2O(l)Consider the unbalanced equation above. What is the concentration of the original
1. 1 answer
2. asked by jade
3. 2,172 views
A baseball (m = 151 g) approaches a bat horizontally at a speed of 39.8 m/s (89 mi/h) and is hit straight back at a speed of
1. 3 answers
2. asked by Natasha
3. 2,140 views
Starting from rest, a 1.6x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts
1. 1 answer
2. asked by April
3. 2,102 views
CrCl3(s) + AgNO3 (aq)= AgCl(s) + Cr(NO3)3(aq)A 0.750 g sample of impure CrCl3 was removed from a bottle that contained 1.75 g of
1. 1 answer
2. asked by jade
3. 2,053 views
If you lift the front wheel of a poorly maintained bicycle off the ground and then start it spinning at 0.72 {\rm rev}/{\rm s},
1. 3 answers
2. asked by Anonymous
3. 1,788 views
Suppose that a 15-mL sample of a solution is to be tested for I- ion by addition of 1 drop (0.20 mL) of 0.30 M Pb(NO3)2. What is
1. 1 answer
2. asked by HELP PLEASE to DrBob222
3. 1,738 views
CF4how would you determine the molecular shape using vsepr? i got that it has 32 electrons and four bonds. im stuck on how to
1. 3 answers
2. asked by skye
3. 1,691 views
I snap my fingers now. in one second, i snap them again. I wait two seconds and snap them a third time. I wait four seconds
1. 4 answers
2. asked by Erica
3. 1,586 views
The ends of a water trough have the shape of the region bounded by the graphs of y = x2 and y = 4 with x and y both measured in
1. 1 answer
2. asked by Casablanca
3. 1,577 views
Mrs. Goldman was a little startled when she realized that while driving home, she didn't really remember driving the last mile.
1. 3 answers
2. asked by REB
3. 1,543 views
At the half time show during a football game, a marching band is to form a rectangle 50yards by 16yards. The conductor wants to
1. 1 answer
2. asked by A
3. 1,442 views
A regular octagon is inscribed in a circle with a radius of 5 cm. Find the area of the octagon.
1. 2 answers
2. asked by Missy
3. 1,411 views
Sleep deprivation has been shown to:increase the inability to sustain attention. impair the storage and maintenance of memories.
1. 1 answer
2. asked by BEKKA
3. 1,389 views
The area of a circle is given by the formula A+pier^2, where r is the radius. If increasing the radius of a circle by 1 inch
1. 2 answers
2. asked by Savannah
3. 1,385 views
The value of a certain fraction becomes 1/5 if one is added to its numerator. If one is taken from its denominator, its value
1. 1 answer
2. asked by Jiskhaa
3. 1,348 views
a river is 2 km wide and flows at 4km/h. a motorboat has a speed of 10 km/h in still water and heads out from one bank. a marina
1. 1 answer
2. asked by Tarkan
3. 1,343 views
The region R is bounded by the x-axis, x = 2, and y = x^2. What is the the volume of the solid formed by revolving R about the
1. 2 answers
2. asked by Casablanca
3. 1,336 views
D-ribose is treated with a mild oxidizing agent. What is the product of this reaction?
1. 0 answers
2. asked by casey
3. 1,333 views
Two ice skaters have masses m1 and m2 and are initially stationary. Their skates are identical. They push against one another,
1. 1 answer
2. asked by Natasha
3. 1,321 views
(a) What is the inverse of the function y = 3x2 ?(b) On the same set of axes, without the use of a graphical calculator, graph
1. 1 answer
2. asked by Rianna
3. 1,303 views
Kp=1.6Kp=1.0*10^-4 A<->2B Find the equilibrium partial pressures of A and B B=1.0 atm A=0.0 atm This is what I have so far A 2B
1. 6 answers
2. asked by maura
3. 1,297 views
1) Two cars travel in the same direction along a straight road. The figure below shows the velocity, V, of each car at time t.
1. 0 answers
2. asked by JJ
3. 1,265 views
Consider a cooling cup of coffee whose initial temperature is 205°. The room temperature is held at 70°. Suppose k = 1/16. Let
1. 2 answers
2. asked by pasta!
3. 1,261 views
The length of time that it takes for a pendulum to make one complete swing depends on the length of the pendulum. The time in
1. 1 answer
2. asked by james
3. 1,248 views
A baseball is thrown from the roof of a 22.3 m tall building with an initial velocity of 13.1 m/s and is directed 50.9 degrees
1. 1 answer
2. asked by Kelsey
3. 1,216 views
A 1100-kg car is being driven up a 4.0° hill. The frictional force is directed opposite to the motion of the car and has a
1. 0 answers
2. asked by Natasha
3. 1,209 views
A cylindrical oil storage tank 12 feet in diameter and 17feet long is lying on its side. Suppose the tank is half full of oil
1. 1 answer
2. asked by Mishaka
3. 1,185 views
which of the following terms describe America's fundamental political values?a) internationalist & isolationiat b) inedpendent &
1. 0 answers
2. asked by tina
3. 1,182 views
you are driving up a long, inclined road. After 1.2 miles you notice that signs along the roadside indicate that your elevation
1. 1 answer
2. asked by ASB
3. 1,177 views
Use the expressions for left and right sums and the table below.right-hand sum = summation (n above and i =1 on the bottom)
1. 0 answers
2. asked by Zoe
3. 1,176 views
A stock solution of 0.0100 M KMnO4is diluted by taking 15.5 mL of it and diluting it to 100.0 mL. From this diluted solution,
1. 1 answer
2. asked by carla
3. 1,174 views
Use a linear approximation (or differentials) to estimate the given number.radical (99.4)
1. 1 answer
2. asked by fatih
3. 1,166 views
By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 3.15
1. 0 answers
2. asked by Natasha
3. 1,159 views
A regular pentagon is inscribed in a circle whose radius measures 7 cm. Find the area of the pentagon.
1. 2 answers
2. asked by Missy
3. 1,154 views
1. When Thomas Paine writes about reconciliation, he is referring to (1 point){A.}the southern Colonies staying peacefully
1. 5 answers
2. asked by Anonymous
3. 1,143 views
In the case McCulloch v. Maryland, the Supreme Court held that _____.My answer1.)the Necessary and Proper Clause gave the
1. 2 answers
2. asked by Paige
3. 1,132 views
Since October 2004, Jack Daniels Tennessee whisky, produced in Lynchburg, TN, has been bottled at 80 proof (40% alcohol by
1. 1 answer
2. asked by brandi
3. 1,098 views
Verify the given linear approximation at a = 0.Then determine the values of x for which the linear approximation is accurate to
1. 0 answers
2. asked by Jessica
3. 1,076 views
A 2.95 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0330 m. The spring has
1. 1 answer
2. asked by Kelsey
3. 1,070 views
A two digit number is such that two times the tens digit is three less than thrice the units digit and four times the number is
1. 1 answer
2. asked by lekan
3. 1,068 views
A rhombus has sides of 5 cm and one diagonal is 6 cm long. Find the area of the rhombus.
1. 0 answers
2. asked by Missy
3. 1,047 views
Given that the roots of 2x^2-4x+5 are alpha and beta,find the value of ...(i)alpha^3beta^3 (ii)(alpha-beta)^2
1. 2 answers
2. asked by njovu
3. 1,034 views
what are the related phases of revolutionary development until 1781 For the American Revolution and 1795 for the French
1. 0 answers
2. asked by aman
3. 1,025 views
Writeacher, here is my today's post.I varied my name from Henry to Matthew because there are too many Henry on Jiskha!!! In this
1. 1 answer
2. asked by Matthew
3. 1,014 views
vector a points in the negative x direction and has a magnitude of 22 units . The vector B points in the positive y direction a.
1. 1 answer
2. asked by Ahmed
3. 1,013 views
Susan needs to measure and heat the chemical she wants to use in an experiment with a graduated cylinder.Which graduated
1. 2 answers
2. asked by Ghalaysha
3. 1,013 views
Why would you get an e3lectric shock if you flew a kite close to the electricity wires?
1. 1 answer
2. asked by Ruth
3. 1,007 views
A particle travels 15 times around a 10-cm radius circle in 42 seconds. What is the average speed (in m/s) of the particle?= I
1. 1 answer
2. asked by Mark
3. 995 views
1.) Your velocity is given by v(t) = t^2 + 6 in m/sec, with t in seconds.Estimate the distance, S, traveled between t= 0 and t =
1. 1 answer
2. asked by Anonymous
3. 986 views
Did thomas paine beleive america should be a british colony or a continent of many nations?
1. 6 answers
2. asked by Anonymous
3. 954 views
¿Qué hace los actores en la ópera de teatro?Los actores juegan unos papeles en la obra de teatro. ¿Qué pasa hacer la semana
1. 3 answers
2. asked by Tiffany
3. 951 views
A 12.0g sample of carbohydrate contain 4.50g of carbon, 3.25g of oxygen, and some hydrogen. Determine the percent by mass of
1. 1 answer
2. asked by jhong
3. 947 views
Verify the given linear approximation at a = 0.Then determine the values of x for which the linear approximation is accurate to
1. 1 answer
2. asked by fatih
3. 935 views
can someone please help me balance this equation?:potassium permanganate reacts with iron(II)sulfate and sulfuric acid to
1. 1 answer
2. asked by joseph
3. 923 views
How do I round off to the nearest 10, 100, 1000 and nearest one hundredth and nearest whole number
1. 1 answer
2. asked by Khabo
3. 914 views
i need proof reading with my work if i did any mistake. thanks1. I learned that soil take crucial role in growing plants. If the
1. 1 answer
2. asked by ESLstudent
3. 914 views
How would you reword this: To assess the importance of sequence in differentiating between theories of both emotional response
1. 0 answers
2. asked by Victoria
3. 902 views
How far (in meters) above the earth's surface will the acceleration of gravity be 27.0 % of what it is on the surface? can
1. 2 answers
2. asked by jessica
3. 896 views
A 100.0 ml sample of .50 M HCl (aq) is titrated with a .10 M NaOH. What volume of the NaOH solution is required to reach the
1. 1 answer
2. asked by Arianna
3. 892 views
How does the aggregate goods and services market differ from the regular (microeconomic) supply and demand market? In other
1. 0 answers
2. asked by Lisa
3. 886 views
Suppose that water is pouring into a swimming pool in the shape of a right circular cylinder at a constant rate of 9 cubic feet
1. 1 answer
2. asked by Abby
3. 880 views
A student has 100.0 mL of an unknown solution of Vitamin C. She removes 1.00 mL of this solution, dilutes it to 50.0 mL, and
1. 11 answers
2. asked by Cassandra
3. 867 views
pete colored 1/2 of a poster. rebecca colored 1/3 of a poster. what fraction still needs to be colored?
1. 2 answers
2. asked by fred
3. 867 views
Using this data,2 NO(g) + Cl2(g) == 2 NOCl(g) Kc = 3.20 X 10-3 NO2(g) == NO(g) + ½ O2(g) Kc = 3.93 calculate a value for Kc for
1. 2 answers
2. asked by bob
3. 861 views
construct a rough plot of ph versus volume of base for the titration of 25.0ml of 0,05M HCN with 0.075M NaOH
1. 1 answer
2. asked by Anonymous
3. 857 views
It takes 164 kJ of work to accelerate a car from 23.7 m/s to 27.8 m/s. What is the car's mass?I tried using this equation but it
1. 2 answers
2. asked by Anonymous
3. 857 views
If 75.0 grams of water is decomposed into hydrogen and oxygen, how many grams of hydrogen should be formed?
1. 2 answers
2. asked by stoi.
3. 854 views
fact and opiniona statement of fact can be proved true or false. a statement of opinion gives someone's thoughts or feelings
1. 3 answers
2. asked by dw
3. 850 views
on a plan of a rectangular garden the length is 12cm and the width is 9cm. the actual length of the garden is 8 yards. what is
1. 3 answers
2. asked by kourtney
3. 849 views
Confederation:1.)A government in which all power stems from a single central authority 2.)A government that secedes from another
1. 4 answers
2. asked by Paige
3. 836 views
A rectangular building is to be built on a lot measuring 46m by 30m. The building will be surrounded by a strip of lawn of
1. 1 answer
2. asked by I
3. 834 views
If $570 is invested in an account that earns 12.75%, copounded annually, what will the account balance be after 11 years?( round
1. 0 answers
2. asked by Anonymous
3. 824 views
Cuáles son de espectáculo que te gusta?El circo es el espectáculo que me gusta.
1. 5 answers
2. asked by Tiffany
3. 821 views
In a pet store the number of dogs is 11 more than 3 times the number of cats. If the pet store has 21 dogs. How many cars does
1. 2 answers
2. asked by Marko
3. 820 views
Say that a bag contains 100 marbles: 30 red, 30 blue, 30 green, plus a mix of 10 yellow and orange marbles. To be certain that
1. 1 answer
2. asked by Cyndie
3. 819 views
SOMEONE PLEASE EXPLAIN AND ANSWER THIS QUESTION :Will Co(OH)2 precipitate from solution if the pH of a 0.034 M solution of
1. 2 answers
2. asked by HELP PLEASE
3. 813 views
Give the equation of the hyperbola is 9x^2-4y^2=36.find(i)center and vertices (ii)foci and eccentricity (iii)equation of
1. 1 answer
2. asked by chrystabelle
3. 794 views
1.Transform the graph of f(x) = 3^x to sketch g(x) = 3^-(x+1) -2. Show table of values and each transformation clearly to get
1. 2 answers
2. asked by kdwk
3. 790 views
The region R is bounded by the x-axis, x = 1, x = 3, and y = 1/x^3. C. Find the volume of the solid generated when R is revolved
1. 3 answers
2. asked by Casablanca
3. 776 views
A pet store has various sizes of guinea pig cages. The diagram of the top of the cage has a width of 4.8cm and length of 6cm.
1. 1 answer
2. asked by Iza
3. 776 views
(a) If a person wearing such a mask exhales 0.702 g CO2 per minute, How many grams of KO2 are consumed in ten minutes?
1. 1 answer
2. asked by brandi
3. 775 views

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