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Questions Asked on October 11, 2009

A flock of ducks is trying to migrate south for the winter, but they keep being blown off course by a wind blowing from the west
1. 4 answers
2. asked by Angela
3. 5,722 views
A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 8 different flagsavailable, how many
1. 1 answer
2. asked by chandice
3. 5,019 views
If it has been determined that the probability of an earthquake occurring on a certain day in acertain area is 0.05, what are
1. 4 answers
2. asked by ann
3. 4,667 views
A turtle is moving with a constant acceleration along a straight ditch. He starts his stopwatch as he passes a fence post and
1. 2 answers
2. asked by BT
3. 4,561 views
In a certain lottery, five different numbers between 1 and 30 inclusive are drawn. These are thewinning numbers. To win the
1. 3 answers
2. asked by Matt
3. 4,251 views
A metal block of mass m is attached to the ceiling by a spring. Connected to the bottom of this block is a string that supports
1. 1 answer
2. asked by kam
3. 3,681 views
Liz rushes down onto a subway platform to find her train already departing. She stops and watches the cars go by. Each car is
1. 2 answers
2. asked by Erin
3. 3,180 views
A basketball player with a free throw shooting percentage of 60% gets fouled and goes to the lineto shoot two free throws. What
1. 3 answers
2. asked by Jenny
3. 2,626 views
How many moles of atoms are in 50 atomsBa? Answer in units of mol.
1. 5 answers
2. asked by josh
3. 2,399 views
The figure shows four electrical charges located at the corners of a rectangle. Like charges, you will recall, repel each other
1. 1 answer
2. asked by Angela
3. 1,977 views
In the design of a control mechanism, the vertical slotted guide is moving with a constant velocity x'= 15in/s during the
1. 1 answer
2. asked by Jessi
3. 1,859 views
In an analysis of variance, if the null hypothesis is true then:- The research hypothesis is also true -You will need fewer
1. 2 answers
2. asked by Trey
3. 1,778 views
S2Within" equals:- the sum of squares within each group - the square root of the standard within-group deviations from the mean
1. 2 answers
2. asked by Trey
3. 1,767 views
Two dice are rolled. Find the odds that the score on the dice is either 10 or at most 5
1. 1 answer
2. asked by Jenny
3. 1,698 views
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.2 m/s at ground level. Its
1. 2 answers
2. asked by Jamie
3. 1,542 views
The treasure map gives the following directions to the buried treasure: "Start at the old oak tree, walk due north for 490
1. 0 answers
2. asked by Angela
3. 1,365 views
1. How does Zune HD relate to information technology?2. How does it improve upon an existing technology? 3.Why is it important
1. 1 answer
2. asked by Sunnikid
3. 1,346 views
why do plants produce far more sugar than they need? why do they not stop photosynthesis once immedaite needs are met?
1. 1 answer
2. asked by connie
3. 1,335 views
An inquisitive physics student and mountain climber climbs a 50.0 m cliff that overhangs a calm pool of water. He throws two
1. 1 answer
2. asked by Jamie
3. 1,313 views
A mathematically defined curve that is the comparison distribution used in ANOVA is called the:- Normal distribution - Chi
1. 1 answer
2. asked by Trey
3. 1,295 views
Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary
1. 1 answer
2. asked by Trey
3. 1,283 views
The pH of arterial blood is 7.42. When 10 mL of the blood is acidified, 5.91 mL of CO2 is produced.1) what is the total
1. 2 answers
2. asked by Andrew
3. 1,277 views
using a systems approach to financial planning it is necessary to develop aa.pro forma income statement b.cash budget c.pro
1. 0 answers
2. asked by Dee Dee
3. 1,274 views
Two 72.0 kg hockey players skating at 7.00 m/s collide and stick together. If the angle between their initial directions was 120
1. 2 answers
2. asked by davie
3. 1,240 views
A ball starts from rest and accelerates at 0.520 m/s2 while moving down an inclined plane 9.65 m long. When it reaches the
1. 1 answer
2. asked by Jamie
3. 1,222 views
How are the radii of 2 two concentric circles related to the distance between them?I tried making an equation using their
1. 1 answer
2. asked by Jessi
3. 1,215 views
An 8.0 kg bag of coin is being pulled upward by a rope rises 20.0 cm in 0.50 sec, starting from rest. Assuming the acceleration
1. 2 answers
2. asked by lalaglaze
3. 1,209 views
A passenger on a bus moving with uniform velocity lurches forward when the bus stops suddenly. Explain?I do not understand this
1. 1 answer
2. asked by Jim
3. 1,205 views
Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary
1. 1 answer
2. asked by Trey
3. 1,165 views
The ____________ is a hypothesis-testing procedure in which there are two separate groups at people tested and the population
1. 1 answer
2. asked by Trey
3. 1,142 views
A bullet with mass 0.40 kg is fired with an initial velocity of 400 m/s from a gun with mass 5.0 kg. The speed of the reoil of
1. 1 answer
2. asked by Abbey
3. 1,115 views
Evaluate the limits lim x^3 + 3/ x->¤ 2x^3 + 4x + 1 lim 1 - cosx / x->o x^2
1. 1 answer
2. asked by Beta plus
3. 1,100 views
The systolic blood pressures of the patients at a hospital are normally distributed with a mean of136 mm Hg and a standard
1. 1 answer
2. asked by Juan
3. 1,090 views
calculate the range, variance, standard deviation,and interquartile range for the data set given {72, 80, 80, 82, 88, 90, 96}
1. 1 answer
2. asked by please help
3. 1,086 views
A sociologist interested in cultural differences compared women of two ethinic groups on a Role Approval Index (high scores mean
1. 1 answer
2. asked by Trey
3. 1,063 views
I've been trying to post this question for an hour but it won't let me because it says I'm posting a website adress. So I'm
1. 13 answers
2. asked by mysterychicken
3. 1,058 views
A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to
1. 2 answers
2. asked by Anonymous
3. 1,015 views
make a list of conditions that might have enabled farmers to support themselves comfortably.This is referring to the revolution
1. 4 answers
2. asked by Sara
3. 1,004 views
Write the first four terms in the binomial expansion of ( 1 + x/2)to the power of 9
1. 1 answer
2. asked by Dakota
3. 958 views
If the standard deviation of the distribution of the difference between means is .76, what is the t score?- (15 - 23) / 0.76 =
1. 1 answer
2. asked by Trey
3. 955 views
2y/5+5=9Please solve this problem and show your steps, (like a t-chart.) Thank You!!! :)
1. 1 answer
2. asked by Sunny
3. 900 views
On a cold winter morning, a child sits on a sled resting on smooth ice. When the 9.10 kg sled is pulled with a horizontal force
1. 2 answers
2. asked by davie
3. 899 views
Consider a pair of planets for which the distance between them is decreased by a factor of 5. Show that the force between them
1. 2 answers
2. asked by Anonymous
3. 886 views
How am I doing this problem wrongOn a strange, airless planet, a ball is thrown downward from a height of 17 m. The ball
1. 1 answer
2. asked by Physics
3. 879 views
An object traveling at 5.0 m/s East has a mass of 6.0 kg. What is the magnitude of the object's momentum?I am not sure what the
1. 1 answer
2. asked by Jack
3. 874 views
Numbers is a game where you bet $1 on any three-digit number from 000 to 999. If your numbercomes up, you get $600.00, otherwise
1. 1 answer
2. asked by ann
3. 854 views
What is homeostasis? Which animals have homeostasis? What does it have to do with science?
1. 3 answers
2. asked by dAnIeLlE
3. 853 views
The goliath beetle, can reach a mass of 0.080 kg. Suppose a goliath beetle is placed on a slope that makes an angle of 37.0
1. 2 answers
2. asked by lalaglaze
3. 851 views
A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed
1. 5 answers
2. asked by Becky
3. 815 views
On a cold winter morning, a child sits on a sled resting on smooth ice. When the 9.10 kg sled is pulled with a horizontal force
1. 1 answer
2. asked by peter
3. 769 views
If I have separate solutions of the compounds benzoic acid and benzaldehyde, and they are spotted on an alumina gel TLC plate
1. 1 answer
2. asked by Sarah
3. 769 views
Brian O'Reilly earns twice as much each week as a tutor than he does pumping gas. His total weekly wages are $150 more than that
1. 3 answers
2. asked by kevin
3. 766 views
What is the mass of 7.817 × 1023 atoms Ag?
1. 1 answer
2. asked by Jenny
3. 748 views
A table exerts a 1o newton force on a book which lies at rest on its top. The force exerted by the book on the table is?I think
1. 1 answer
2. asked by Hannah
3. 730 views
A table exerts a 1o newton force on a book which lies at rest on its top. The force exerted by the book on the table is?I think
1. 0 answers
2. asked by Hannah
3. 716 views
Why did Ezra pound choose Canto 1 to be the first poem of his Cantos? And also, why did he end his poem with "so that?"I don't
1. 1 answer
2. asked by Karen
3. 714 views
Doug had scores of 80, 85, 75, and 80 on his first fourexams in a course. a. Find the mean, median, and mode for these exam
1. 2 answers
2. asked by please help
3. 689 views
I have to use the given hints to find out what country they're talking about in each hint.3. "Travled south and arrived today in
1. 3 answers
2. asked by mysterychicken
3. 680 views
As soon as a traffic light turns green, a car speeds up from rest to 50.0 mi/h with a constant acceleration of 9.90 mi/h·s. In
1. 0 answers
2. asked by Becky
3. 677 views
Consider a study in which the population variance estimate based on treatment group of 14 participants is 8, and the population
1. 2 answers
2. asked by Trey
3. 674 views
Literature: Explain how the historical context of a work can impact that work?
1. 0 answers
2. asked by Stacey
3. 674 views
Cohen's conventions for the t test for independent means are approximately _____ for a small effect size, ____ for a medium
1. 1 answer
2. asked by Trey
3. 668 views
Use implicit differentiation to find the second derivative:2xy^2=4 (nothing is in parenthesis)
1. 1 answer
2. asked by Tiffany
3. 652 views
A mass is thrown upwards with an initial velocity of 30m/s. A second mass is dropped from directly above, a height of 60m from
1. 1 answer
2. asked by B
3. 651 views
Which is the oldest art?A. Drama/theater B. Photography C. Dance D. Music
1. 1 answer
2. asked by mary
3. 649 views
A mass is thrown upwards with an initial velocity of 30m/s. A second mass is dropped from directly above, a height of 60m from
1. 2 answers
2. asked by B
3. 644 views
for intro in a lab report do u have to write the relevance to the world? ( if yes where would it go , after purpose?)and what
1. 1 answer
2. asked by just wondering
3. 641 views
Twenty students assigned to an experimental group receive 30 in a control group has a mean of 38 on the test (with an estimated
1. 0 answers
2. asked by Anonymous
3. 629 views
The following table describes five situations in which a person reacts to stress in an unhealthy manner. For each:a. identify
1. 2 answers
2. asked by michelle
3. 628 views
A motorist travels at a constant speed of 34.0 m/s through a school zone; exceeding the posted speed limit. A policeman, waits
1. 1 answer
2. asked by Erin
3. 627 views
Twenty students assigned to an experimental group receive 30 in a control group has a mean of 38 on the test (with an estimated
1. 1 answer
2. asked by Anonymous
3. 625 views
A 27.4 g sample of metal X requires131 calories of energy to heat it from 10.0◦C to 90.0◦C. Calculate the specific heat of
1. 4 answers
2. asked by Randy
3. 608 views
A soccer player kicks a rock horizontally off a cliff 42.9 m high into a pool of water. If the player hears the sound of the
1. 3 answers
2. asked by Anonymous
3. 607 views
Please do not post several related questions under different names.You're also more likely to receive help if you give us an
1. 0 answers
2. asked by Ms. Sue
3. 607 views
What is the value of knowledge to the following social systems/institutions?-Society as a whole -Private firms -Providers of
1. 1 answer
2. asked by Kim K
3. 601 views
I don't understand this question-22. A peninsula of peninsulas" describes a. the United Kingdom b. Northern Eurasia c. Western
1. 1 answer
2. asked by mysterychicken
3. 597 views
What tools can be used to collect data? What are some of the issues that occur with data collection? Are some tools more
1. 1 answer
2. asked by MArie
3. 587 views
For a set of scores, will the interquartile range always beless than the range? Explain your answer with an example.
1. 1 answer
2. asked by marie
3. 580 views
solve by the gauss-jordan methodx+y+z=6 3x+2y-z=4 3x+2y+2z=11
1. 1 answer
2. asked by Diahann
3. 576 views
Suppose you buy 1 ticket for $1 out of a lottery of 3000 tickets. If the prize for the one winningticket is to be $500, what are
1. 1 answer
2. asked by Anonymous
3. 571 views
If r=t/2 and t=w/2, what is (r+w) in terms of t?(A)t (B)t^2 (C)3t/2 (D)5t/2 (e)5t/4 Please show work. Thanks.
1. 2 answers
2. asked by Sarah
3. 570 views
A ball, dropped from rest, cover 2/7 of the distant to the ground in the last 2 seconds of its fall. From what height was the
1. 1 answer
2. asked by Robert C
3. 559 views
A car starts from rest on a curve with a radius of 160 m and accelerates at 1.80 m/s^2. How many revolutions will the car have
1. 1 answer
2. asked by Amanda
3. 558 views
A person during a 24 hour period produced 1.40 litres of urine containing phosphate at a total concentration of 0.0440 M, at a
1. 1 answer
2. asked by Andrew
3. 552 views
Suppose that a given parallelogram is not a rhombus or a rectangle. Which of the following canyou conclude about this
1. 0 answers
2. asked by chandice
3. 547 views
The Bulb Bargain Problem. Suppose that you are thechief of maintenance for a large metropolitan hospital. You are trying to
1. 1 answer
2. asked by katelynn
3. 546 views
Can someone please check my work?I was in Grade One. We went to the pumpkin patch. I got a really big pumpkin. I tripped while
1. 2 answers
2. asked by Larry
3. 531 views
I am making a mini book and in it i am writing these words: Peninsula,island,continent,island,ocean,seas,rivers,lakes,and
1. 1 answer
2. asked by Sumaiya
3. 528 views
What type of simple machine would you use if the trees have lost their leaves and you have a lot of them to collect?
1. 2 answers
2. asked by Suzy
3. 523 views
the role of censorship in schools..??and need help with thesis statement..plzz help me!!!
1. 1 answer
2. asked by Shelby
3. 522 views
Suppose that a newspaper published the following in aboxed corner of the want ads section: Should handgun control be abolished?
1. 1 answer
2. asked by katelynn
3. 516 views
could u give me some facts about london pls cause im doing a presentation on london and u have to find its location and things
1. 1 answer
2. asked by holly
3. 511 views
Where do i get the info to make flow charts my teacher will not respond to me and I don't know what to do i also need to make a
1. 5 answers
2. asked by steve
3. 506 views
what are the various methods of maintaining peace and unity in binational, multinational, and multiethnic states? what are the
1. 1 answer
2. asked by jacob
3. 493 views
How many games are played in a soccer competition if there are 7 teams and all teams play eachother twice?
1. 1 answer
2. asked by jessica
3. 492 views
what are short and long term explanations for the Great Depression?
1. 1 answer
2. asked by j cook
3. 490 views
how are political decisions made in the United States?
1. 0 answers
2. asked by j cook
3. 489 views
Can you tell if the problem i made up is a good two step equation problem. Steven wants to pay of a car loan the total amount is
1. 1 answer
2. asked by alyssa
3. 487 views
what does nominal gdp mean? im not sure if it is adjusted or not for inflation
1. 1 answer
2. asked by j cook
3. 483 views
what are all the posible answers for the Trait theory and the learning thoery. Located in appedix c
1. 1 answer
2. asked by Martha
3. 479 views

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