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2012
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Questions Asked on April 30, 2012

a 1.5kg cannon is mounted on top of a 2.0kg cart and loaded with a 52.7 gram ball. The cannon, car, and ball are moving forward
1. 1 answer
2. asked by Sarah
3. 4,766 views
Terry, Barry, Larry, Jerry, and Perry are lined up in these positions midway through a track meet: Terry is 20 meters behind
1. 4 answers
2. asked by Anonymous
3. 4,607 views
two planets of masses "m" and "M" respectively. have a center to center separation of "R".At what distance from the center of
1. 2 answers
2. asked by m sani
3. 2,411 views
What is the Kp for the following reaction:2NH3(g) --> N2(g) + 3H2(g) This reaction is contained in 1.0 L container at 1,000 K
1. 1 answer
2. asked by Addyson
3. 596 views
The ACT scores of applicants to college are approximately normally distributed with a mean of 20.3 and a standard deviation of
1. 2 answers
2. asked by Kim
3. 636 views
Lorraine was in a hurry when she computed a confidence interval for . Because was not known, she used a Student's t
1. 0 answers
2. asked by trina
3. 534 views
The school superintendent would like to estimate the proportion of adults in the country that are in favor of an increased
1. 0 answers
2. asked by Kim
3. 968 views
there are 122 houses,how many times does the digit 2 appear on the letterboxes?
1. 1 answer
2. asked by don
3. 408 views
there are 3 arrays for 4, how many arrays can be drawn for each prime numbers
1. 2 answers
2. asked by don
3. 394 views
The PGA would like to test to see if there is any difference in the distance produced by Titleist and Maxfli brand golf balls. A
1. 0 answers
2. asked by Kim
3. 380 views
The Butterfly - Pavel FriedmannHe was the last. Truly the last. Such yellowness was bitter and blinding Like the sun’s tear
1. 6 answers
2. asked by bkue
3. 3,973 views
The major would like to estimate the mean number of automobile crashes per day at the intersection of 2 highways. A random
1. 0 answers
2. asked by Kim
3. 438 views
This is an extra credit assignment I was assigned that I really need the points for. I am having alot of trouble with it. I did
1. 0 answers
2. asked by Brian
3. 429 views
What is the Kp for the following reaction:2NH3(g) --> N2(g) + 3H2(g) This reaction is contained in 1.0 L container at 1,000 K
1. 1 answer
2. asked by Addyson
3. 527 views
Find the APR for the following loan (monthly payments). (Round your answer to the nearest full percent.)Purchase a refrigerator
1. 1 answer
2. asked by Mike
3. 536 views
You bought the bond for $1,040, after 6 months you received a coupon of $35 and after another 6 months you received another $35
1. 0 answers
2. asked by Sarah
3. 374 views
each bead has a value according to its color how do you finnd the value of the beads
1. 1 answer
2. asked by dorothy
3. 418 views
A car dealer will sell you a used car for $8,734 with $734 down and payments of $384.67 per month for 24 months. What is the
1. 1 answer
2. asked by Mike
3. 431 views
2. The water resources of Earth are located ina. salt water found in the ocean b. freshwater found in icecaps and glaciers c.
1. 3 answers
2. asked by mysterychicken
3. 656 views
laurie can bike to work in 3/4 hour.when she takes the bus, the trip takes 1/4 hour. if the bus travels 20 mph faster than
1. 1 answer
2. asked by Anonymous
3. 488 views
a cylinder has a radius of r and a height of h. A rectangular box has a length of r, a width of h and height of h. Their
1. 0 answers
2. asked by Nancy
3. 405 views
a 1.00g sample of water is allowed to vaporize completely in a 10.0L container. What is the pressure of the water vapor at 150
1. 2 answers
2. asked by carter
3. 1,140 views
Calculate the theoretical pH when 5.00 ml of 0.0100 M HCl is added to 30.00 mL of deionized water.
1. 1 answer
2. asked by vivian
3. 523 views
what is the realationship between promotion and sale promotion
1. 0 answers
2. asked by lana Harvey
3. 382 views
Convert the following credit card rate to the APR.Oregon, 1 3/4% per month
1. 1 answer
2. asked by Mike
3. 379 views
List all the possible rational zeros off(x)=3x^3-x^2+2x=2. Please help me. I don't understand how to do this. Can someone show
1. 0 answers
2. asked by Tabby
3. 385 views
Can someone rephrase this!?!?!?Discuss the biological consequences of stress as outlined by psychoneuroimmunologists.
1. 1 answer
2. asked by Jinu
3. 468 views
Two friends are at the local high school track, a circle measuring 440 yards for one complete lap. Abe can jog at 8.2 miles per
1. 2 answers
2. asked by Bob
3. 852 views
A juggler has a set of balls that she can toss into the air. If it takes her 0.2 s to transfer a ball from the receiving hand to
1. 0 answers
2. asked by Bob
3. 922 views
Tom Brady (the Patriots’ quarterback) throws a football – at a speed of 30 mph at an angle of 50 degrees to the horizontal
1. 0 answers
2. asked by Bob
3. 581 views
1)Use the definitions sin0(theta) = y/r, cos0(theta) = x/r and/or tan0(theta) = y/x to prove thatcot0(theta) = 1/tan0(theta)
1. 0 answers
2. asked by abeer
3. 599 views
Homework Help: critical thinkingPosted by long on Thursday, March 8, 2012 at 1:53pm. Read the scenario. Using the information
1. 1 answer
2. asked by derrick
3. 453 views
Suppose an insurance agent offers you a policy that will provide you with a yearly income of $290,000 in 25 years. What is the
1. 0 answers
2. asked by Mike
3. 445 views
if 180 grams of ice at -123 degrees celsius is heated to steam at 125 degrees celsius, how much energy would it take?
1. 1 answer
2. asked by Anonymous
3. 1,120 views
Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be
1. 0 answers
2. asked by Mike
3. 391 views
An astronaut on the Moon attaches a small brass ball to a 1.00- m length of string and makes a simple pendulum. She times 15
1. 2 answers
2. asked by Kristie
3. 4,563 views
If $835 is invested in an account that earns annual interest of 4.5%, compounded semiannually, what will the account balance be
1. 1 answer
2. asked by Mike
3. 425 views
A 0.5224g sample of an unknown monoprotic acid was titrated with 0.0998M of NaOH. The equivalence point of the titration occurs
1. 2 answers
2. asked by Confused
3. 3,239 views
If $695 is invested in an account that earns 21.75%, compounded annually, what will the account balance be after 15 years?
1. 1 answer
2. asked by Mike
3. 417 views
Rank the speed of sound through the following from greatest to least:A. HeliumB. Benzene C. Mercury
1. 0 answers
2. asked by Kristie
3. 469 views
a salt solution is evaporated to dryness. If 25.7 g of the solution leaves 1,949 mg of dry salt, what is the percent
1. 1 answer
2. asked by Randy
3. 554 views
If $835 is invested in an account that earns annual interest of 4.5%, compounded semiannually, what will the account balance be
1. 0 answers
2. asked by Mike
3. 351 views
Rank the beat frequency from highest to lowest for the following pairs of sounds:a. 876 Hz, 871 Hz b. 786 Hz, 784 Hz c. 721 Hz,
1. 1 answer
2. asked by Jim
3. 2,050 views
calculate the molarity of an acetic acid solution if 39.96 mL of the solution is needed to neutralize 136mL of 1.41 M sodium
1. 0 answers
2. asked by Randy
3. 444 views
calculate the molarity of an acetic acid solution if 39.96 mL of the solution is needed to neutralize 136mL of 1.41 M sodium
1. 1 answer
2. asked by Randy
3. 1,143 views
how many moles of sodium chloride are in 937 mL of a 1.88 M solution of sodium chloride?
1. 1 answer
2. asked by Randy
3. 405 views
A proton with kinetic energy 100 keV is moving in a plane perpindicular to a uniform magnetic field of magnitude 2.3 T. Find the
1. 0 answers
2. asked by Tim
3. 406 views
a 1250 kg car, rolling at 40km/h along a flat frictionless surface strikes a horizontal coiled spring and is brought to rest in
1. 1 answer
2. asked by amanda
3. 437 views
List all the possible rational zeros off(x)=3x^3-x^2+2x=2. Please help me. I don't understand how to do this. Can someone show
1. 1 answer
2. asked by Tabby
3. 1,034 views
-4x+1-2(x-1)= -4(x-4)
1. 2 answers
2. asked by David
3. 267 views
A package with square ends has combined length and girth(girth is perimeter of a cross section) of 120 in. The surface area of
1. 0 answers
2. asked by Nancy
3. 465 views
Imagine a Rip van Winkle type who lives in the mountains. Just before going to sleep, he yells, "WAKE UP", and the sound echoes
1. 3 answers
2. asked by Jim
3. 2,385 views
50.0mL of 0.01M Ba(OH)2 is added to 150.0mL of 0.01M HNO3. What is the new pH of the solution?
1. 1 answer
2. asked by Zac
3. 795 views
A balloon has a circumference of 22in. Use the circumference to approximate the surface area of the balloon to the nearset
1. 3 answers
2. asked by lilman
3. 3,685 views
What beat frequencies are possible with tuning forks of frequencies 258, 263, and 267 Hz?
1. 3 answers
2. asked by Jim
3. 4,169 views
Consider the area between the graphs x+1y=12 and x+8=y2 . This area can be computed in two different ways using integralsFirst
1. 1 answer
2. asked by jasmineT
3. 1,767 views
How many grams of oxygen are collected in a reaction where 245 mL of oxygen gas is collected over water at a temperature of 25
1. 1 answer
2. asked by raul
3. 826 views
a 1.5kg cannon is mounted on top of a 2.0kg cart and loaded with a 52.7 gram ball. The cannon, car, and ball are moving forward
1. 0 answers
2. asked by Sarah
3. 617 views
a young Colorado spruce tree is growing at a rate of 20 cm per year. Currently, it is 244 cm tall. A 300 cm tall white spruce
1. 4 answers
2. asked by Hanu
3. 849 views
after an ice show, Michelle helps clear the props from the ice. Standing in her skates next to a potted artifical tree, she
1. 1 answer
2. asked by Sarah
3. 837 views
in segment pt, l is the midpoint of pa and a is the midpoint of pn. if pn = 17 and la = 3.5, what is the length of nt?
1. 1 answer
2. asked by Corey
3. 803 views
Philadelphia Flyers player Mike Richards stands on the frictionless ice next to the goal. Neither Mike nor the goal are anchored
1. 1 answer
2. asked by Sarah
3. 603 views
In an unusual return to space, Astronaut Sally Ride is conducting repair work on the Hubble Space telescope. She throws a hammer
1. 1 answer
2. asked by Sarah
3. 818 views
Frequency and period are related, in that they are which of the following?A) inverses of each other.B) None of these.C) both on
1. 1 answer
2. asked by Kristie
3. 455 views
The mass of a rocket car plus fuel is 2,000kg. The rocket car starts from rest. The engine expels fuel(in the form of exhaust)
1. 0 answers
2. asked by Sarah
3. 477 views
Luis has $150,000 in his retirement account at his present company. Because he is assuming a position with another company, Luis
1. 3 answers
2. asked by Terri
3. 2,709 views
I have this number that I just wanted to be sure how to do. They give me a Parallelepiped with corners lettered from A to H.
1. 0 answers
2. asked by Jer
3. 430 views
A proton with kinetic energy 100 keV is moving in a plane perpindicular to a uniform magnetic field of magnitude 2.3 T. Find the
1. 2 answers
2. asked by Tim
3. 408 views
Beats in sound are the result of which of the follwing wave? A) resonance.B) refraction.C) reflections.D) amplitude changes.E)
1. 1 answer
2. asked by Kristie
3. 434 views
Vanessa pushes a box with 50 N of force. The box accelerates 2 m/s2 for 10 seconds. What is the mass of the box?
1. 3 answers
2. asked by Jessica
3. 1,940 views
The numbers below represents heights (in feet) of 3-year old elm trees, where leaves represent fractional parts of each value.St
1. 0 answers
2. asked by Kim
3. 450 views
translate the phrase into a mathematical expression and then simplify.nine times a number subtract twice the same number
1. 14 answers
2. asked by deb
3. 2,046 views
Solve and please explain how you arrived at your ans: square of 3x-1=2
1. 3 answers
2. asked by Kadesha
3. 331 views
The University of Southern Mississippi currently uses GE brad fluorescent light bulbs that have a mean life of 900 hours.
1. 2 answers
2. asked by Kim
3. 412 views
Minute Maid orange juice company claims that 25% or more of all orange juice drinkers prefer its product. To try to disprove the
1. 0 answers
2. asked by Kim
3. 397 views
Is it true that all radio waves are faster than all sound waves—no exceptions? A) False always.B) True, in most common
1. 1 answer
2. asked by Kristie
3. 920 views
Dependency theory refers to what?
1. 1 answer
2. asked by Kim
3. 355 views
which will become a buffer in 1L of H2O?a) 0.3 mole KOH & 0.3 mole HBr b) 0.5 mole NH3 & 0.5 mole HCl c) 0.2 mole NaCl & 0.3
1. 1 answer
2. asked by Zac
3. 686 views
the diameter of the metal rack represented is 34 cm. To add two support wires (AB and CD) each 8 cm from the center of the rack
1. 1 answer
2. asked by lanae
3. 510 views
Solve for x: x^2 -2x-4=0
1. 4 answers
2. asked by Devon
3. 309 views
a 6 foot tall man is standing near a tree on level ground .if the man shadow 4 feet long .how many feet tall is the tree?
1. 2 answers
2. asked by diamond
3. 1,832 views
If a rock is thrown upward from a height of 100 ft, with an initial velocity of 32ft/sec, solve for the time that it takes for
1. 1 answer
2. asked by Billy
3. 399 views
A manufacturer wants to increase the absorption capacity of a sponge. Based on past data, the average sponge could absorb 3.5
1. 1 answer
2. asked by Tom
3. 1,420 views
A sociologist is studying marriage customs in a rural community in Denmark to determine the age of the woman at the time of her
1. 1 answer
2. asked by Anonymous
3. 673 views
0.200 moles of NaF are added to 1L 2.0 molar HF. What is the pH?a) 2.14 b) 6.70 c) 10.80 d) 3.00 e) 7.00
1. 1 answer
2. asked by Zac
3. 418 views
A geometric series with the first term 7 converges to 70. What does the common ratio equal? What does the second partial sum
1. 1 answer
2. asked by Jim
3. 469 views
Consider the following Hypotheses test:Ho:m>=80 Ha:m<80 A sample of 121 provided a sample mean of 77.3. The population Standard
1. 0 answers
2. asked by bobbie
3. 652 views
The following data represent the number of flash drives sold per day at a local computer shop and their prices.Price (x) Units
1. 0 answers
2. asked by Paul
3. 823 views
50.0mL of 0.1 molar NaOH is added with 50.0mL of 0.1 molar CH3COOH. The Ka = 1.8*10^-5. what is the pH of the solution?a) 7.00
1. 1 answer
2. asked by Zac
3. 480 views
The following data represent the number of flash drives sold per day at a local computer shop and their prices.Price (x) Units
1. 1 answer
2. asked by Ruth
3. 751 views
The following data represent the number of flash drives sold per day at a local computer shop and their prices.Price (x) Units
1. 3 answers
2. asked by Ruth
3. 1,893 views
0.200 moles of NaF are added to 1L 2.0 molar HF. The Ka = 7.2*10^-4. What is the pH?a) 2.14 b) 6.70 c) 10.80 d) 3.00 e) 7.00 I
1. 1 answer
2. asked by Zac
3. 467 views
A uranium nucleus 238U may stay in one piecefor billions of years, but sooner or later it de- cays into an particle of mass
1. 1 answer
2. asked by kate
3. 694 views
Coffee Express sells three drinks -lattes mochas and cappuccinos. Each latte has 3 ounces of espresso and 13 ounces of milk.
1. 1 answer
2. asked by Anonymous
3. 614 views
an auditor wishes to test the assumption that the mean value of all accounts receivable in a given firm is $260.00. She will
1. 2 answers
2. asked by Anonymous
3. 521 views
Covered BridgesHow did covered bridges help travelers?
1. 1 answer
2. asked by Laruen
3. 863 views
Find the net torque on the wheel in the figure below about the axle through O perpendicular to the page, taking a = 11.0 cm and
1. 8 answers
2. asked by Anonymous
3. 26,777 views
Index 3 Sqr Rt y^13 times index 3 sqr rt 81y^14
1. 1 answer
2. asked by Anonymous
3. 413 views
Describe a process you could use to get a simple random sample of size 20 from a class of size 40
1. 2 answers
2. asked by kmccraney
3. 617 views
Given cos x=2/3 and 3pi/2<x<2pi, find the exact value of cos2x?
1. 2 answers
2. asked by Yadira
3. 1,700 views

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