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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
4 answers
asked by
Angela
5,729 views
A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 8 different flags
available, how many
1 answer
asked by
chandice
5,023 views
If it has been determined that the probability of an earthquake occurring on a certain day in a
certain area is 0.05, what are
4 answers
asked by
ann
4,675 views
A turtle is moving with a constant acceleration along a straight ditch. He starts his stopwatch as he passes a fence post and
2 answers
asked by
BT
4,571 views
In a certain lottery, five different numbers between 1 and 30 inclusive are drawn. These are the
winning numbers. To win the
3 answers
asked by
Matt
4,258 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 answer
asked by
kam
3,686 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
2 answers
asked by
Erin
3,181 views
A basketball player with a free throw shooting percentage of 60% gets fouled and goes to the line
to shoot two free throws. What
3 answers
asked by
Jenny
2,632 views
How many moles of atoms are in 50 atoms
Ba? Answer in units of mol.
5 answers
asked by
josh
2,401 views
The figure shows four electrical charges located at the corners of a rectangle. Like charges, you will recall, repel each other
1 answer
asked by
Angela
1,985 views
In the design of a control mechanism, the vertical slotted guide is moving with a constant velocity x'= 15in/s during the
1 answer
asked by
Jessi
1,862 views
In an analysis of variance, if the null hypothesis is true then:
- The research hypothesis is also true -You will need fewer
2 answers
asked by
Trey
1,782 views
S2Within" equals:
- the sum of squares within each group - the square root of the standard within-group deviations from the mean
2 answers
asked by
Trey
1,773 views
Two dice are rolled. Find the odds that the score on the dice is either 10 or at most 5
1 answer
asked by
Jenny
1,703 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
2 answers
asked by
Jamie
1,547 views
The treasure map gives the following directions to the buried treasure: "Start at the old oak tree, walk due north for 490
0 answers
asked by
Angela
1,370 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 answer
asked by
Sunnikid
1,355 views
why do plants produce far more sugar than they need? why do they not stop photosynthesis once immedaite needs are met?
1 answer
asked by
connie
1,338 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 answer
asked by
Jamie
1,322 views
A mathematically defined curve that is the comparison distribution used in ANOVA is called the:
- Normal distribution - Chi
1 answer
asked by
Trey
1,303 views
Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary
1 answer
asked by
Trey
1,288 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
2 answers
asked by
Andrew
1,288 views
using a systems approach to financial planning it is necessary to develop a
a.pro forma income statement b.cash budget c.pro
0 answers
asked by
Dee Dee
1,279 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
2 answers
asked by
davie
1,251 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 answer
asked by
Jamie
1,226 views
How are the radii of 2 two concentric circles related to the distance between them?
I tried making an equation using their
1 answer
asked by
Jessi
1,218 views
A passenger on a bus moving with uniform velocity lurches forward when the bus stops suddenly. Explain?
I do not understand this
1 answer
asked by
Jim
1,214 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
2 answers
asked by
lalaglaze
1,213 views
Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary
1 answer
asked by
Trey
1,171 views
The ____________ is a hypothesis-testing procedure in which there are two separate groups at people tested and the population
1 answer
asked by
Trey
1,150 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 answer
asked by
Abbey
1,117 views
Evaluate the limits lim x^3 + 3/ x->¤ 2x^3 + 4x + 1 lim 1 - cosx / x->o x^2
1 answer
asked by
Beta plus
1,101 views
calculate the range, variance, standard deviation,
and interquartile range for the data set given {72, 80, 80, 82, 88, 90, 96}
1 answer
asked by
please help
1,096 views
The systolic blood pressures of the patients at a hospital are normally distributed with a mean of
136 mm Hg and a standard
1 answer
asked by
Juan
1,096 views
A sociologist interested in cultural differences compared women of two ethinic groups on a Role Approval Index (high scores mean
1 answer
asked by
Trey
1,068 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
13 answers
asked by
mysterychicken
1,061 views
A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to
2 answers
asked by
Anonymous
1,026 views
make a list of conditions that might have enabled farmers to support themselves comfortably.
This is referring to the revolution
4 answers
asked by
Sara
1,008 views
Write the first four terms in the binomial expansion of ( 1 + x/2)to the power of 9
1 answer
asked by
Dakota
959 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 answer
asked by
Trey
957 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
2 answers
asked by
davie
906 views
2y/5+5=9
Please solve this problem and show your steps, (like a t-chart.) Thank You!!! :)
1 answer
asked by
Sunny
900 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
2 answers
asked by
Anonymous
895 views
How am I doing this problem wrong
On a strange, airless planet, a ball is thrown downward from a height of 17 m. The ball
1 answer
asked by
Physics
882 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 answer
asked by
Jack
880 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
2 answers
asked by
lalaglaze
859 views
Numbers is a game where you bet $1 on any three-digit number from 000 to 999. If your number
comes up, you get $600.00, otherwise
1 answer
asked by
ann
857 views
What is homeostasis? Which animals have homeostasis? What does it have to do with science?
3 answers
asked by
dAnIeLlE
855 views
A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed
5 answers
asked by
Becky
820 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
3 answers
asked by
kevin
776 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 answer
asked by
peter
774 views
If I have separate solutions of the compounds benzoic acid and benzaldehyde, and they are spotted on an alumina gel TLC plate
1 answer
asked by
Sarah
771 views
What is the mass of 7.817 × 1023 atoms Ag?
1 answer
asked by
Jenny
751 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 answer
asked by
Hannah
736 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 answer
asked by
Karen
722 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
0 answers
asked by
Hannah
718 views
Doug had scores of 80, 85, 75, and 80 on his first four
exams in a course. a. Find the mean, median, and mode for these exam
2 answers
asked by
please help
697 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
3 answers
asked by
mysterychicken
686 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
0 answers
asked by
Becky
678 views
Consider a study in which the population variance estimate based on treatment group of 14 participants is 8, and the population
2 answers
asked by
Trey
677 views
Literature: Explain how the historical context of a work can impact that work?
0 answers
asked by
Stacey
676 views
Cohen's conventions for the t test for independent means are approximately _____ for a small effect size, ____ for a medium
1 answer
asked by
Trey
673 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 answer
asked by
B
658 views
Use implicit differentiation to find the second derivative:
2xy^2=4 (nothing is in parenthesis)
1 answer
asked by
Tiffany
653 views
Which is the oldest art?
A. Drama/theater B. Photography C. Dance D. Music
1 answer
asked by
mary
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
2 answers
asked by
B
648 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 answer
asked by
just wondering
643 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
0 answers
asked by
Anonymous
636 views
The following table describes five situations in which a person reacts to stress in an unhealthy manner. For each:
a. identify
2 answers
asked by
michelle
632 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 answer
asked by
Erin
631 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 answer
asked by
Anonymous
629 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
3 answers
asked by
Anonymous
609 views
Please do not post several related questions under different names.
You're also more likely to receive help if you give us an
0 answers
asked by
Ms. Sue
609 views
A 27.4 g sample of metal X requires
131 calories of energy to heat it from 10.0◦C to 90.0◦C. Calculate the specific heat of
4 answers
asked by
Randy
609 views
What is the value of knowledge to the following social systems/institutions?
-Society as a whole -Private firms -Providers of
1 answer
asked by
Kim K
607 views
I don't understand this question-
22. A peninsula of peninsulas" describes a. the United Kingdom b. Northern Eurasia c. Western
1 answer
asked by
mysterychicken
601 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 answer
asked by
MArie
592 views
For a set of scores, will the interquartile range always be
less than the range? Explain your answer with an example.
1 answer
asked by
marie
585 views
solve by the gauss-jordan method
x+y+z=6 3x+2y-z=4 3x+2y+2z=11
1 answer
asked by
Diahann
585 views
Suppose you buy 1 ticket for $1 out of a lottery of 3000 tickets. If the prize for the one winning
ticket is to be $500, what are
1 answer
asked by
Anonymous
576 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.
2 answers
asked by
Sarah
571 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 answer
asked by
Robert C
563 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 answer
asked by
Amanda
562 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 answer
asked by
Andrew
558 views
The Bulb Bargain Problem. Suppose that you are the
chief of maintenance for a large metropolitan hospital. You are trying to
1 answer
asked by
katelynn
553 views
Suppose that a given parallelogram is not a rhombus or a rectangle. Which of the following can
you conclude about this
0 answers
asked by
chandice
552 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
2 answers
asked by
Larry
532 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 answer
asked by
Sumaiya
531 views
the role of censorship in schools..??
and need help with thesis statement..plzz help me!!!
1 answer
asked by
Shelby
525 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?
2 answers
asked by
Suzy
524 views
Suppose that a newspaper published the following in a
boxed corner of the want ads section: Should handgun control be abolished?
1 answer
asked by
katelynn
520 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 answer
asked by
holly
512 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
5 answers
asked by
steve
511 views
How many games are played in a soccer competition if there are 7 teams and all teams play each
other twice?
1 answer
asked by
jessica
497 views
what are the various methods of maintaining peace and unity in binational, multinational, and multiethnic states? what are the
1 answer
asked by
jacob
495 views
what are short and long term explanations for the Great Depression?
1 answer
asked by
j cook
494 views
how are political decisions made in the United States?
0 answers
asked by
j cook
491 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 answer
asked by
alyssa
489 views
what does nominal gdp mean? im not sure if it is adjusted or not for inflation
1 answer
asked by
j cook
486 views
what are all the posible answers for the Trait theory and the learning thoery. Located in appedix c
1 answer
asked by
Martha
483 views
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