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2009
November

Questions Asked on November 30, 2009

In a hydroelectric dam, water falls 26.0 m and then spins a turbine to generate electricity. What is ∆U of 1.0 kg of water?
1. 3 answers
2. asked by Zach
3. 12,265 views
The rate (in mg carbon/m3/h) at which photosynthesis takes place for a species of phytoplankton is modeled by the function
1. 2 answers
2. asked by Aaron
3. 6,985 views
Jones Company had 100 units in beginning inventory at a total cost of $10,000.The companypurchased 200 units at a total cost of
1. 3 answers
2. asked by ABBY
3. 6,813 views
A box contains 6 red balls, 4 blue balls, and 2 green balls. Three balls are randomly drawn (without replacement) from the box.
1. 3 answers
2. asked by Ryan
3. 4,141 views
If 1800 square centimeters of material is available to make a box with a square base and an open top, find the largest possible
1. 4 answers
2. asked by Anonymous
3. 3,483 views
Why does the inequality sign change when both sides are multiplied or divided by a negative number? Does this happen with
1. 2 answers
2. asked by Anonymous
3. 3,409 views
A 0.15 kg baseball is thrown towards a batter with a velocity of 40 m/s. The batter hits the ball and returns it directly back
1. 2 answers
2. asked by Tom
3. 2,862 views
A lobsterman's buoy is a solid wooden cylinder of radius r and mass M. It is weighted on one end so that it floats upright in
1. 1 answer
2. asked by Keith
3. 2,015 views
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. The density of
1. 7 answers
2. asked by need help!
3. 1,904 views
Write an equation in standard form for the line whose slope is undefined that passes through (5,-3)Please help me solve, my
1. 3 answers
2. asked by Gaby
3. 1,828 views
Measured along the surface of the water, a rectangular swimming pool has a length of 15.9 m. Along this length, the flat bottom
1. 3 answers
2. asked by Daniel
3. 1,823 views
A cruise ship is traveling in the Atlantic Ocean at a constant rate of 40 mi/h and is traveling 2 mi east for every 5 mi north.
1. 2 answers
2. asked by Anonymous
3. 1,821 views
ok i got the multiples of 7 so what do i do next ...Our class planned a holiday party for disadvantaged kids.Some of us baked
1. 2 answers
2. asked by Katherine
3. 1,763 views
A bicycle is turned upside down while its owner repairs a flat tire. A friend spins the other wheel and observes that drops of
1. 2 answers
2. asked by Ed
3. 1,513 views
We did an experiment with the synthesis of n-butyl bromide, using n-butyl alcohol, NaBr, and H2SO4. The question is: Aqueous
1. 3 answers
2. asked by CMM
3. 1,436 views
Compare the different diplomacy styles of Presidents Roosevelt, Taft, and Wilson.
1. 3 answers
2. asked by Abby
3. 1,432 views
The transverse standing wave on a string fixed at both ends is vibrating at its fundamental frequency of 250 Hz. What would be
1. 1 answer
2. asked by Lydia
3. 1,396 views
Our class planned a holiday party for disadvantaged kids.Some of us baked cookies for the party.On the day of the party,we found
1. 2 answers
2. asked by Katherine
3. 1,361 views
Can anyone help me with these two optimization problems?A boat leaves a dock at 9:00 P.M. and travels due south at a speed of 20
1. 1 answer
2. asked by Steve
3. 1,311 views
A 120 g ball moving to the right at 4.2 m/s catches up and collides with a 450 g ball that is moving to the right at 1.2 m/s. If
1. 1 answer
2. asked by Zach
3. 1,292 views
A string has a linear density of 6.7 x 10-3 kg/m and is under a tension of 210 N. The string is 1.6 m long, is fixed at both
1. 1 answer
2. asked by Lydia
3. 1,212 views
your child is trying to prove that she did not steal chocolate chip cookies from the cookie jar, so she makes this argument:
1. 2 answers
2. asked by diane
3. 1,210 views
A 60-cm-long, 500 g bar rotates in a horizontal plane on an axle that passes through the center of the bar. Compressed air is
1. 1 answer
2. asked by Zach
3. 1,205 views
Standing waves are set up on two strings fixed at each end, as shown in the drawing. The two strings have the same tension and
1. 0 answers
2. asked by Daniel
3. 1,193 views
How bright a star appears can depend on how much light the star actually emits and how far away it is. The stellar magnitude
1. 0 answers
2. asked by -
3. 1,164 views
Which american indians refused to move away from their homeland after the government orderd them to leave.
1. 3 answers
2. asked by Billy
3. 1,160 views
I need help writing a free verse poem on a newspaper article I read about a cat being stuck in a vending machine for three days.
1. 1 answer
2. asked by mysterychicken
3. 1,152 views
A 5.50 kg cat leaps from the floor to the top of a 94.0-cm-high table. If the cat pushes against the floor for 0.220 s to
1. 1 answer
2. asked by Zach
3. 1,150 views
what is the force required to start moving a 25kg box across a concrete floor with a coefficient of static friction of .65?
1. 1 answer
2. asked by april
3. 1,149 views
The box-like Gaussian surface of Fig. 1 encloses a net charge of +24.0ε0 C and lies in an electric field given by N/C, with x
1. 4 answers
2. asked by jojo
3. 1,149 views
Two air-track carts are sliding to the right at 1.0 m/s and held together by a string. The spring between them has a spring
1. 0 answers
2. asked by Zach
3. 1,140 views
A satellite in a circular orbit around earth with a radius 1.019 times the mean radius of the earth is hit by an incoming
1. 0 answers
2. asked by Andy
3. 1,136 views
Solve the differential equation:d2y/dx2 - 2 dy/dx + y = 3sinhx The answer should be: y(x) = e^x (Ax+ B) + ( 3^8 )(2[x^2][e^x] -
1. 2 answers
2. asked by Claire
3. 1,133 views
ROUND 427,685 TO THE NEAREST THOUSAND
1. 1 answer
2. asked by RHONDA
3. 1,120 views
Hamlet:I need to look at the passages from Acts IV and V and assess their impact within the context of the whole play. I have
1. 4 answers
2. asked by Greg
3. 1,117 views
The Probability that Jodi makes a basket when playing basketball is .50, Jamal’s probability is .80 and Pat’s is .75. What
1. 1 answer
2. asked by GG
3. 1,104 views
what was america's first constitution called?a american constitution b articles of coonfederation c republic plan
1. 3 answers
2. asked by test tomorrowHELP
3. 1,098 views
what is the mass of a 1000N man on earth?
1. 2 answers
2. asked by april
3. 1,083 views
Ms. Sue you know the letter I posted, I am not sure if I have included this part in it: Explain why it is undesirable to improve
1. 3 answers
2. asked by Sara
3. 1,083 views
A 46.5-cm diameter disk rotates with a constant angular acceleration of 2.4 rad/s2. It starts from rest at t = 0, and a line
1. 2 answers
2. asked by Ed
3. 1,070 views
Write an equation in a standard form of the line that passes through (3,1) and has a y-intercept of-2 .My book does not have
1. 8 answers
2. asked by Lilly
3. 1,067 views
Exothermic reactions are favored because they release heat to the environment. Would an exothermic reaction be more favored or
1. 1 answer
2. asked by Mary
3. 1,065 views
how do you solve quadratic equations by factoring?
1. 1 answer
2. asked by converse
3. 1,027 views
I have to write a long paper comparing two works of art from different periods that are currently on display in any nyc museum.
1. 1 answer
2. asked by fool
3. 983 views
One end of a light spring with force constant 300 N/m is attached to a vertical wall. A light string is tied to the other end of
1. 3 answers
2. asked by caroline
3. 961 views
What is the probability that a number chosen at random from the range 1,000,000,000 to 9,999,999,999 inclusive will contain ten
1. 4 answers
2. asked by Shawn
3. 946 views
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. The density of
1. 1 answer
2. asked by Daniel
3. 939 views
Site #3: What in the World - Mystery Photos (from National Geographic)Try at least four different challenges in the “What in
1. 10 answers
2. asked by amit
3. 939 views
identify a viewpoint given in the video that highlights the importance of biodiversity. Do you believe that every species is
1. 1 answer
2. asked by Anonymous
3. 919 views
It is assumed that the toothpaste market is perfectly competitive and the current price of a case of toothpaste is $42.00. CPI
1. 3 answers
2. asked by sHARRON
3. 918 views
What is the pressure change in water going from a 3.0- cm-diameter pipe to a 1.8- cm-diameter pipe if the velocity in the
1. 1 answer
2. asked by Andy
3. 910 views
Could you check these thanks:Directions: Vrai ou Faux? 1. Un film doublé a des sous-titres. Answer: vrai 2. Un film en version
1. 1 answer
2. asked by Maria
3. 904 views
Imagine that you have a 5.00 L gas tank and a 3.00 L gas tank. You need to fill one tank with oxygen and the other with
1. 2 answers
2. asked by Anonymous
3. 897 views
how do you solve quadratic equations by finding square roots
1. 2 answers
2. asked by converse
3. 851 views
Could you check these also thanks:Directions: Donnez des réponses personnelles. 1. Tu vas souvent au cinéma? Answer: Oui, je
1. 1 answer
2. asked by Maria
3. 825 views
The book of essays explaining and supporting the constitution was called??a -The federalist Papers b-The Antifederalist c-The
1. 3 answers
2. asked by test tomorrowHELP
3. 801 views
what do these letters spell skinpan
1. 1 answer
2. asked by Anonymous
3. 795 views
Roszena rolls two standard six-sided dice. If the sum of the numbers on the top faces is not 6, what is the probability that the
1. 1 answer
2. asked by Ryan
3. 793 views
how do you solve quadratic equations by finding square rootsi have no clue how to do this. I have fallen behind in my math class
1. 2 answers
2. asked by HELP ME
3. 789 views
James Watt invented the steam engine in what year, and where?Are these right In the 1760s he invented the steam engine in
1. 2 answers
2. asked by Maria
3. 772 views
Why is a weaker base a better leaving group? Can someone please explain that? I understand that the more stable the leaving
1. 5 answers
2. asked by Kay
3. 761 views
Calculate deltaG from deltaH and deltaS. Use the table of standard thermodynamic data. calculate deltaG at 0 degrees C for
1. 1 answer
2. asked by Bob
3. 758 views
A red ball and a green ball are simultaneously tossed into the air. The red ball is given an initial velocity of 96 feet per
1. 1 answer
2. asked by lindy
3. 754 views
So, for my assignment on extending the definition of family, I will develop the definition by telling what family means to me.I
1. 9 answers
2. asked by y912f
3. 746 views
still don't get it.....Our class planned a holiday party for disadvantaged kids.Some of us baked cookies for the party.On the
1. 1 answer
2. asked by Katherine
3. 746 views
Can you explain how to find the solution of 3x^2-2x+5, using the quadratic formula? I got it down to (2 +/- sq. root of -56)/6.
1. 3 answers
2. asked by Leyla
3. 733 views
I don't know how to solve 12x(2)-15x=0 using the quadratic equation ax+bx+c=0 with this question I am unsure of what a, b and c
1. 1 answer
2. asked by Liz
3. 721 views
Our class planned a holiday party for disadvantaged kids.Some of us baked cookies for the party.On the day of the party,we found
1. 0 answers
2. asked by Katherine
3. 709 views
A rectangular solid has a top face with surface area of 28 ft, a front face with surface area of 20 ft, and a side face with
1. 3 answers
2. asked by Ryan
3. 707 views
explain how computers are classified
1. 1 answer
2. asked by Anonymous
3. 704 views
The transverse standing wave on a string fixed at both ends is vibrating at its fundamental frequency of 250 Hz. What would be
1. 1 answer
2. asked by Daniel
3. 701 views
Match the psychological theories with the appropriate statement(s):(F,J)__Psychodynamic Theory (K,B,D)__Trait Theory
1. 0 answers
2. asked by scooby
3. 698 views
What rational number between ½ and 2/3 is three times as far from ½ than from 2/3?
1. 2 answers
2. asked by Ryan
3. 683 views
how do you solve quadratic equations by finding square rootsi have no clue how to do this. I have fallen behind in my math class
1. 3 answers
2. asked by HELP ME
3. 676 views
was General Douglas Haig a good or bad general?i think he was a bad general because he was only interested in winning the battle
1. 1 answer
2. asked by freddie
3. 675 views
Jason and Mary have a new baby. They want to invest $20,000 at the baby’s birth in order to have $100,000 for the baby’s
1. 2 answers
2. asked by A.J.
3. 670 views
What are some of the illegal ways to add amendments to the Constitution? Why are these ways prefered rather than the legal
1. 5 answers
2. asked by Anonymous
3. 666 views
Did the industrial revolution improve conditions for women?No, the industrial revolution did not improve living conditions for
1. 2 answers
2. asked by Sara
3. 666 views
A string has a linear density of 6.7 x 10-3 kg/m and is under a tension of 210 N. The string is 1.6 m long, is fixed at both
1. 2 answers
2. asked by Daniel
3. 665 views
In windows vista, the run command can be found in which application
1. 1 answer
2. asked by TINA
3. 661 views
the following in your paper:o Include how you applied concepts to formulate your decision o Include appropriate quantitative
1. 1 answer
2. asked by Bernice
3. 661 views
the president can check congress through??a lobbying b overriding c vetoing
1. 8 answers
2. asked by test tomorrowHELP
3. 659 views
Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in
1. 1 answer
2. asked by Britany
3. 649 views
HI!can anyone help me please, just on part b.Thank you so much.A spherical steel ball bearing has a diameter of 2.540 cm at
1. 1 answer
2. asked by Chan
3. 648 views
what is a rhetorical device for child abuse and how it has increased?
1. 0 answers
2. asked by Anonymous
3. 647 views
What was Jefferson's laissez-faire policy? Can you Give an example of it.
1. 1 answer
2. asked by Francis
3. 645 views
A retailer of DVD players knows that at a price of q dollars per player, he can sell (900 – 3q) players per month. Write a
1. 1 answer
2. asked by zach
3. 642 views
Whatis the historical explanation of the 7th amendment?
1. 2 answers
2. asked by kelly
3. 642 views
help i need help on this im so confused and don't know what to do please help!!!!propose an improved community-based
1. 2 answers
2. asked by bobbi PLEASE HELP
3. 638 views
using the quadratic equation on a 2 dimensional projectile motion problem...i am solving for tf and i have it worked all the way
1. 3 answers
2. asked by dave
3. 637 views
This question is on the same primary source.Do you think that this inquest led to improvements in the working conditions for
1. 2 answers
2. asked by Sara
3. 636 views
The mass of a carbon atom is 2 x 10 ^ -26. What is the kinetic energy of a carbon atom moving with a speed of 500 m/s?What is
1. 3 answers
2. asked by Julia
3. 636 views
how does nutrition suitability affect a plant's being eaten by animals ......is it more likely to be eaten or less likely and
1. 2 answers
2. asked by gab
3. 626 views
Any and all help would be greatly appreciated. I'm trying to help my niece and I'm afraid that it is not possible.The volume of
1. 0 answers
2. asked by Ronald
3. 624 views
this is what i have to do would the guide/menu work on it im so utterly confused !!!!!!:(PLEASE HELPPropose an improved
1. 4 answers
2. asked by bobbi PLEASE HELP
3. 621 views
Find the area of a circle whose radius is 12.7 cm
1. 1 answer
2. asked by Elizabeth
3. 615 views
I need to know how to solve quadratic equations by factoring. Can you so a step by step explanation to this sample problem?2 x
1. 1 answer
2. asked by Joanna
3. 612 views
Can you help me with these sentences. I have to translate them into French. Can you tell me if there correct or not and if there
1. 1 answer
2. asked by Keyanna
3. 600 views
rewrite in distributive property2(a+4)
1. 1 answer
2. asked by KARINA
3. 589 views
what is the weight of a 100kg man on the moon with a gravitaional acceleration of 1.6m/s(squared)?
1. 4 answers
2. asked by april
3. 586 views

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