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Questions Asked on April 9, 2013

A bag contains 9 tiles numbered 1 to 9. P(4) one-ninth =experimental; the result is found by repeating an experiment.
1. 68 answers
2. asked by Anonymous
3. 10,757 views
according to some students, what is the true purpose of homework?
1. 5 answers
2. asked by danielle
3. 4,509 views
The experimentally measured and generally accepted value for the molar volume of Na is about 23 cm3/mol. Which of the following
1. 2 answers
2. asked by Morgan
3. 4,257 views
Find the midpoint of the line segment joining the points P1 and P2P1=(3,2) P2=(-5,7) The midpoint is=
1. 3 answers
2. asked by Lauren
3. 4,044 views
the mean annual salary for employees at a company is 36,000. at the end of the year, each employee receives a 1,000 bonus and a
1. 2 answers
2. asked by angela
3. 3,472 views
An initial investment of $12,000 is invested for 2 years in an account that earns 4% interest compounded quarterly. Find the
1. 1 answer
2. asked by Amy
3. 3,126 views
A sample of sucrose, C12H22O11(s),contains 0.16 mol of oxygen, atoms(O).a.) What amount in moles of sucrose is in the sample?
1. 1 answer
2. asked by Lg
3. 3,108 views
A framed picture has length 50 cm and width 40 cm . The picture itself has area 1344 cm^2. How far is it from the edge of the
1. 4 answers
2. asked by Kim
3. 3,083 views
write a polynomial that represents the sum off an odd integers 2n+1 and the next two consecutive odd integers
1. 2 answers
2. asked by Anonymous
3. 3,027 views
In a zinc-copper cell, Zn | Zn+2(1M) || Cu+2(1M) | Cu, which electrode is negative?a. Cu(s) b. Zn(s) c. Zn+2(aq) d. Cu+2(aq) Its
1. 3 answers
2. asked by Cassie
3. 2,844 views
The question is: what is the ratio [NH3/[NH4+] in an ammonia/ammonium chloride buffer solution with pH= 10.00? (pKa for
1. 1 answer
2. asked by Marcus
3. 2,827 views
The Ksp for nickel(II) hydroxide is 5.47E-16. What is the base dissociation constant for nickel(II) hydroxide?So I started off
1. 2 answers
2. asked by a Canadian
3. 2,738 views
12.What balances charges that may build up as reduction and oxidation occur in a voltaic cell? *the salt bridge one of the
1. 3 answers
2. asked by Cassie
3. 2,680 views
Ten breeding pairs of rabbits are introducedonto an island having no natural predators and a good supply of water and food. What
1. 2 answers
2. asked by sally
3. 2,550 views
A cell has a standard emf of +0.177 V at 298 K. What is the value of the equilibrium constant for the cell reaction a) if n=1?
1. 2 answers
2. asked by Summer
3. 2,516 views
Answer the following quadratic functionf(x)= x^2 + 6x - 16 a)What is the vertex (h,k)of f? b)What is the axis of symmetry?
1. 2 answers
2. asked by Kayleigh
3. 2,398 views
The ages of five randomly chosen cars in the parking lot are determined to be 7,9,3,4 and 6 years old. If we consider this
1. 1 answer
2. asked by terri
3. 2,072 views
When NH3 is added to solid Hg2Cl2, some of the mercury ions are oxidized and some are reduced. A reaction where the same
1. 3 answers
2. asked by Colin
3. 2,050 views
"Slowly, silently, now the moonWalks the night in her silver shoon This way, and that, she peers, and sees Silver fruit upon
1. 5 answers
2. asked by Anonymous
3. 2,014 views
An unknown metal M forms a soluble compound, M(NO3)2. A solution of M(NO3)2 is electrolyzed. When a constant current of 2.5
1. 1 answer
2. asked by Summer
3. 1,899 views
Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real
1. 3 answers
2. asked by Jill
3. 1,871 views
A 5m long diving board of negligible mass is supported by two pillars. One pillar is at the end of left of the diving board, the
1. 2 answers
2. asked by ash
3. 1,863 views
a sample of helium gas has a volume of 1.25L at -125celcius and 50.0atm. the gas is compressed at 50.0 atm to volume of 325ml.
1. 6 answers
2. asked by Mckee
3. 1,845 views
Name the property the equation illustrates.–5 + (8 + 10) = (–5 + 8) + 10
1. 2 answers
2. asked by shahara
3. 1,837 views
A math contest consists of ten problems.Three points are given for each correct answer. One point is deducted for each incorrect
1. 13 answers
2. asked by matt
3. 1,800 views
Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation.
1. 2 answers
2. asked by Jill
3. 1,761 views
If 6 more than 8 times a number equals 30, what's the number?
1. 3 answers
2. asked by Anonymous
3. 1,662 views
A box of books weighing 314 N is shoved across the floor by a force of 475 N exerted downward at an angle of 35° below the
1. 1 answer
2. asked by John Miller
3. 1,654 views
find two irrational numbers between 2.5 and 4.5
1. 2 answers
2. asked by anoynomous
3. 1,654 views
At which electrode does oxidation occur in a voltaic cell?anode only cathode only *both anode and cathode either anode or
1. 2 answers
2. asked by Cassie
3. 1,565 views
The figure below shows three circuits, each consisting of a switch and two capacitors, initially charged as indicated. Let qL
1. 1 answer
2. asked by bryan
3. 1,562 views
Emma weighed 6 pounds, 9 ounces when she was born. If her weight doubled by the time she was six months old, how much did she
1. 3 answers
2. asked by Anonymous
3. 1,561 views
A long horizontal wire carries a current of 48A . A second wire, made of 2.6mm diameter copper wire and parallel to the first,
1. 0 answers
2. asked by bud
3. 1,513 views
A sample of solid sulfur is heated with an electrical coil. If 105 joules of energy is added to a 12.4 gram sample initially at
1. 1 answer
2. asked by sheila
3. 1,491 views
A recipe for fruit punch calls for 2 1/2 c of orange juice, 1 1/3 c of pineapple juice, and 1 3/4 c of soda water. If June makes
1. 1 answer
2. asked by Nick
3. 1,488 views
Write a 75-150 word essay detailing your previous writing experience. Use the following questions to help you to think about
1. 2 answers
2. asked by Kisha
3. 1,486 views
A circuit consists of a self inductor of L=0.003 H in series with a resistor R1=5 Ohm. Parallel to these is a resistor R2=10
1. 39 answers
2. asked by abdul rahman
3. 1,455 views
If the water molecules in 5.70 g of water (H2O) were distributed uniformly over the surface of the Earth, how many such
1. 1 answer
2. asked by boom
3. 1,452 views
Which of the following result in buffered solutions when equal volumes of the two solutions are mixed?a.) .1 M HCl and .1 M
1. 1 answer
2. asked by Marcus
3. 1,431 views
A small painting has an area of 400 cm^2. The length is 4 more than 2 times the width. Find the dimensions of the painting.
1. 4 answers
2. asked by Anonymous
3. 1,430 views
1)An elastic material has a length of 36cm when a load of 40N is hung on it and a length of 45cm when a load of 60N is hung on
1. 1 answer
2. asked by Anne
3. 1,414 views
The money supply in Freedonia is $200 billion. Nominal GDP is $800 billion and real GDP is $400 billion. Assuming that velocity
1. 1 answer
2. asked by Jess
3. 1,393 views
The figure shows a 1.50kg block at rest on a ramp of height, h. When the block is released, it reaches the bottom of the ramp
1. 0 answers
2. asked by ash
3. 1,338 views
The car is travelling along the road with a speed of v  (300 / s) m/s, where s is inmeters. Determine the magnitude of its
1. 2 answers
2. asked by Anonymous
3. 1,311 views
Using the prime factor method find the square root of 31.36
1. 2 answers
2. asked by rahub
3. 1,309 views
What will the graph look like for a system of equations that has no solution?A. The lines will be perpendicular. B. The lines
1. 1 answer
2. asked by Cassie
3. 1,298 views
How do I calculate the theoretical yield of a catalytic hydrogenation? I have the #s, I just have no idea how to apply it.It's
1. 1 answer
2. asked by Geoff
3. 1,291 views
In a fit of anger after an argument, I __________ out all of my friend's letters and pictures.
1. 2 answers
2. asked by Anonymous
3. 1,281 views
A block with mass of 5.0kg is suspended from an ideal spring having negligible mass and stretches the spring 0.20m to its
1. 0 answers
2. asked by ash
3. 1,258 views
When 86.7 g of water at a temperature of 73 °C is mixed with an unknown mass of water at a temperature of 22.3 °C the final
1. 1 answer
2. asked by Anonymous
3. 1,255 views
A 570-turn solenoid is 19cm long. The current in it is 32A . A 2.0cm -long straight wire cuts through the center of the
1. 0 answers
2. asked by bud
3. 1,242 views
For each 10-degree adjustment on yourwater heater thermostat, you can reduce carbon dioxide emissions by 500 pounds a year. By
1. 1 answer
2. asked by Kristi
3. 1,234 views
-Steam at 100 ¡ãC is mixed with 166.4 g of ice at ¨C32.8 ¡ãC, in a thermally insulated container, to produce water at 44.6
1. 4 answers
2. asked by blur oh no
3. 1,219 views
Blood takes about 1.50 s to pass through a 2.0-mm-long capillary. If the radius of the capillary is5.00 u�m and the pressure
1. 0 answers
2. asked by A
3. 1,173 views
Soymeal is 12% protein; cornmael is 6% protein. How many pounds of each should be mixed together in order to get 240lb mixture
1. 1 answer
2. asked by Anonymous
3. 1,173 views
A bag contains 4 blue, 4 red, and 4 green marbles. Four marbles are drawn at random from the bag. How many different samples are
1. 0 answers
2. asked by Kierra
3. 1,155 views
How long does it take (in minutes) for light to reach Jupiter from the Sun, a distance of 8.258 × 108 km?
1. 1 answer
2. asked by Lyndzey
3. 1,153 views
Calculate the mass of co2 produced when 2ch3oh mixed with o2. Given that 2ch3oh is 4o grams and o2 is 46 grams.
1. 1 answer
2. asked by Ruusa
3. 1,148 views
Two Balls of massesmA = 45 grams and mB = 65 grams are suspended as follows: both Balls are hanging by a 30 cm string and are
1. 0 answers
2. asked by Enzo
3. 1,117 views
In referrencing Lenin's "What is To Be Done"Lenin is here calling for unity among socialist thinkers, emphasizing that
1. 2 answers
2. asked by lizzy
3. 1,102 views
a fish that you are looking at from a boat seems to be 20cm below the water surface. the actual depth of the fish is
1. 1 answer
2. asked by Susan
3. 1,098 views
An object is placed (a)6cm (b)20 from a thin convex lens of focal length 10cm.determine the nature,position and magnification of
1. 2 answers
2. asked by Agu
3. 1,080 views
A 20.0-m tall hollow aluminum flagpole is equivalent in strength to a solid cylinder 4.00 cm in diameter. A strong wind bends
1. 0 answers
2. asked by meme
3. 1,077 views
Can free labor compete with slave labor?
1. 1 answer
2. asked by jennaa
3. 1,067 views
In a modern art exhibit, a multicolors empty industrial wire spool is suspended from two light wires as shown. (Pic) The spool
1. 0 answers
2. asked by Dem
3. 1,056 views
a professor was curious to whether the students in a very large class she was teaching who turned in their first scored
1. 2 answers
2. asked by mike
3. 1,039 views
1. In a certain country, the percentage of the population relocating to a new town is given by the following function:p(t) =
1. 1 answer
2. asked by Deeno
3. 1,036 views
I'm reviewing for a test and I'm on Le Chatelier's principle. Decreasing the temperature of an exothermic reaction shifts the
1. 1 answer
2. asked by a Canadian
3. 1,034 views
Do temperatures get warmer or colder as you move from the lower stratosphere to the top of that layer?.And how big is the
1. 3 answers
2. asked by dinh
3. 1,028 views
Factor this polynomial a^5b-a
1. 2 answers
2. asked by T-perry
3. 1,008 views
15-(12(divided by)2)+(-3x4)
1. 1 answer
2. asked by Matt
3. 994 views
Find the equation of the line tangent tof(x) = xe^-x at the point where x = 0. What does this tell you about the behavior of the
1. 1 answer
2. asked by Tima
3. 992 views
Referencing Vladimir Lenin, "What is To Be Done?" (1902)Why do you think it was left to the “bourgeois intelligentsia” to
1. 1 answer
2. asked by lizzy
3. 983 views
In the article "Conditioned emotional reactions" by John B. Watson and Rosalie Raynor., Explain the initial pairing of the bar
1. 1 answer
2. asked by slomomo
3. 971 views
the meaning of this wordsâ€¢ FOR- â€¢ DO - â€¢ SELECT- â€¢ MID$- â€¢ ASC- â€¢ SQR- â€¢ LEN- â€¢
1. 1 answer
2. asked by jolomi
3. 959 views
three environmental health hazards that cause ill health,crises ,and disasters within your community or any other community
1. 2 answers
2. asked by zuko
3. 954 views
Use the given zero to find the remaining zeros of the function.f(x)=x^3-2x^2+9x-18;zero;3i Enter the remaining zeros of f =
1. 1 answer
2. asked by Jill
3. 946 views
Every time Mr. Cold born throws a ball of paper in the garbage can, the probability the ball goes in the cans is 3/4. What is
1. 2 answers
2. asked by Cherie
3. 946 views
1) A circular disk 0.20m in diameter starts from rest and accelerates with constant angular acceleration to an angular
1. 1 answer
2. asked by Anonymous
3. 936 views
a player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 28 m/s. what is the
1. 3 answers
2. asked by faith
3. 929 views
A square loop (side L) spins with angular frequency ω in field of strength B. It is hooked to a load R.Write an expression for
1. 4 answers
2. asked by Ulises
3. 908 views
Three charges are at the corners of a rectangle with side L1 = 0.04 m and L2 = 0.015 m as shown. If q1 = 1.3 microCoulombs, q2 =
1. 0 answers
2. asked by Anonymous
3. 904 views
Find the intercepts and graph the equation.3x+4y=12
1. 1 answer
2. asked by Lauren
3. 890 views
You have 2 pairs of shorts, 2 pairs of shoes, 2 shirts how many combinations could you wear
1. 1 answer
2. asked by Dakota
3. 889 views
Determine whether the planes are parallel or orthogonal.Equations given: 5x - 3y + z = 4 x + 4y + 7z = 1 How exactly do I solve
1. 1 answer
2. asked by Krista
3. 883 views
1.What is a savanna?A savanna is a tropical or subtropical woodland ecosystem 2.What would you expect to find if you visited a
1. 6 answers
2. asked by Jerald
3. 881 views
what is the fractional scale of oregon? and how do you figure it out.Thanks
1. 5 answers
2. asked by reggie
3. 874 views
Please please help this is the second time I have posted this question.Calculate the amount of work it will take to lift a lawn
1. 1 answer
2. asked by Cherie
3. 872 views
The problem I am trying to solve is from AQA Mechanics M1 and is as follows:An object is moving in a plane. At time t=0, it is
1. 1 answer
2. asked by Maggie
3. 871 views
Two Bals. of massesmA = 45 grams and mB = 65 grams are suspended as shown. The lighter ball is pulled away to a 66 degree angle
1. 3 answers
2. asked by SC
3. 867 views
how do i 2- fracture each third
1. 2 answers
2. asked by ganaysia
3. 865 views
According to the law of the conservatives of mass, if the products o a reaction have a mass of 64.0 g, then the total mass of
1. 0 answers
2. asked by Yannie
3. 860 views
Jan Nab is the sole owner of Deer Park, a public camping ground near the Lake Mead National Recreation Area. Jan has compiled
1. 1 answer
2. asked by cathy
3. 859 views
Find the magnitude of the resultant vector of two 5-pound forces that act on an object with an angle of 70° between them.
1. 1 answer
2. asked by Kyra
3. 845 views
Factorise fully: 5pq + 10p
1. 1 answer
2. asked by Ella
3. 840 views
prove that:1/1+x^b-a + x^c-a + 1/1+x^a-b +x^a-c = 1
1. 0 answers
2. asked by tuhituhi
3. 836 views
In one mole or 18 grams of water, the total negative charge of all the electrons is:a. zero because its electrically neutral. b.
1. 1 answer
2. asked by Anonymous
3. 832 views
five joules of work are needed to shift .5 c of charge from one place to another. the potential differences between the places
1. 2 answers
2. asked by Susan
3. 815 views
In a cookie jar, there are 6 chocolate cookies and 8 oatmeal cookies. I take out the cookies one at a time and proceed to eat
1. 1 answer
2. asked by Anna
3. 815 views
Calculate the water pressure at the base of the Hoover Dam. The depth of water behind the dam is 220
1. 0 answers
2. asked by Ericca
3. 809 views

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