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Questions Asked on March 31, 2010

1. The principle that states that the more you have of something, the less satisfaction you will get from anadditional unit is
1. 3 answers
2. asked by Candace
3. 1,722 views
At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration of –0.40 rad/s^2 has an angular velocity of
1. 2 answers
2. asked by Jared
3. 8,075 views
Compared with the strength of Earth's gravity at its surface, how much weaker is gravity at a distance of 13 Earth radii from
1. 1 answer
2. asked by Anonymous
3. 472 views
Compared with the strength of Earth's gravity at its surface, how much weaker is gravity at a distance of 13 Earth radii from
1. 1 answer
2. asked by Anonymous
3. 540 views
Determine the concentration of a dioxin solution whose percent absorbance is 0.40%
1. 1 answer
2. asked by Stacey
3. 405 views
A statistics practitioner wishes to test the following hypothesis: H0 : ì = 600 against H1 : ì < 600A sample of 50
1. 2 answers
2. asked by joseph
3. 989 views
A bakery stated that the average number of breads sold daily is 3000. An employee thinks that the actualvalue might differ from
1. 0 answers
2. asked by joseph
3. 789 views
A statistics practitioner formulated the following hypothesis: H0 : ì = 200 against H1 : ì < 200 andlearned that x = 190 n = 9
1. 0 answers
2. asked by joseph
3. 487 views
In a sample of 500 college students fifty percent of all college students attend schools within 50 miles oftheir homes. The
1. 1 answer
2. asked by sam
3. 841 views
Suppose the mass of college students can be modeled by the normal distribution. We believe the meanof the normal distribution is
1. 0 answers
2. asked by judy
3. 647 views
The number of cars sold annually by used car salespeople is normally distributed with a standard deviationof 19.22. A random
1. 0 answers
2. asked by sarah
3. 692 views
A random sample of 40 men drank an average of 20 cups of coffee per week during examination final,with the population standard
1. 2 answers
2. asked by cindy
3. 1,122 views
In a random sample of 500 students, 80% say they have a part-time job. An approximate 95% confidenceinterval for the proportion
1. 0 answers
2. asked by cindy
3. 479 views
NET INCOME BEFORE TAXES OF $200,000 AND SALES OF $2,000,000. IF IT IS IN THE 50% TAX BRACKET, WHAT WOULD IT'S AFTER TAX PROFIT
1. 0 answers
2. asked by TARA
3. 1,187 views
To test the hypothesis H0 : ì = 100 against H1 : ì > 100, a statistics practioner randomly sampled Tobservations and found the
1. 0 answers
2. asked by sam
3. 541 views
Suppose we want to test the null hypothesis H0 : ì = 400 against H1 :ì < 400. The test statistic iscalcuated as −1.23 and
1. 1 answer
2. asked by SAM
3. 465 views
A 70kg man jumps 1.00 meters down onto a concrete walkway. His downward motion stops in 0.02 seconds. If he forgets to bend his
1. 3 answers
2. asked by Omari
3. 7,289 views
Determine the p–value associated with the values of the standardized test statistic z = 1.05 for one-tailtest. (1) 0.3531 (2)
1. 1 answer
2. asked by SAM
3. 1,101 views
1. A 15-year old female patient has experienced daily nausea for the past two months. The patient states that she feels like
1. 3 answers
2. asked by B B
3. 688 views
Consider the following information:Season Sales(units) Summer Autumn Winter Spring Christmas 98 114 123 105 Holidays 110 110 110
1. 3 answers
2. asked by JUDY
3. 1,122 views
Analyzing a Stock. The beta, B of a stock represents the relative risk of a stock compared with a market basket of stocks, such
1. 0 answers
2. asked by Rony
3. 594 views
Why is it important for you to know how to separate solids from liquids?
1. 4 answers
2. asked by Ash
3. 578 views
Determine the concentration of a dioxin solution whose percent absorbance is 0.40%This is the resulting: Absorbance Dioxin 0.64
1. 1 answer
2. asked by Stacey
3. 581 views
a point is moving on the graph of xy=30. when the point is at (6,5), its x-coordinate is increasing by 6 units per second. how
1. 1 answer
2. asked by daren
3. 549 views
a point is moving on the graph of xy=30. when the point is at (6,5), its x-coordinate is increasing by 6 units per second. how
1. 1 answer
2. asked by daren
3. 638 views
Figure 8-33 shows a 1.50 kg block at rest on a ramp of height h. When the block is released, it slides without friction to the
1. 0 answers
2. asked by Holy Grail
3. 1,217 views
In Figure 8-34, a 1.2 kg block is held at rest against a spring with a force constant k = 695 N/m. Initially, the spring is
1. 2 answers
2. asked by Holy Grail
3. 1,715 views
Which statement about the senate is true?
1. 2 answers
2. asked by jacky
3. 695 views
A 0.56-kg mass is suspended from a string, forming a pendulum. The period of this pendulum is 6.0 s when the amplitude is 1.5
1. 3 answers
2. asked by carmen
3. 649 views
Can someone show me the structural formula (lewis diagram) for ethene???Please
1. 3 answers
2. asked by Stacey
3. 423 views
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7
1. 2 answers
2. asked by Ab
3. 1,363 views
The period of oscillation of a spring-and-mass system is 0.56 s and the amplitude is 4.1 cm. What is the magnitude of the
1. 0 answers
2. asked by anonymous
3. 474 views
The prong of a tuning fork moves back and forth when it is set into vibration. The distance the prong moves between its extreme
1. 0 answers
2. asked by jess
3. 548 views
The air pressure variations in a sound wave cause the eardrum to vibrate. Find the maximum velocity and acceleration of the
1. 2 answers
2. asked by mike
3. 1,033 views
How do I solve this?The usual partial pressure of oxygen that people get at sea level is .20 atm, that is, a fifth of the usual
1. 3 answers
2. asked by Avalon
3. 771 views
How do I set this up? What formula do I use? Will you please help me?How many liters of ammonia at STP are produced when 10 g of
1. 1 answer
2. asked by Jessica
3. 1,082 views
Post a 200- to 300-word response to the following: In your own words, summarize eachof the major theories of biology. Choose one
1. 1 answer
2. asked by Jenny
3. 512 views
Which diffuses faster, the bad smell from a cat-pan due to ammonia or an expensive French perfume with an average molecular
1. 4 answers
2. asked by Jessica
3. 2,730 views
What is the storm on Jupiter?
1. 1 answer
2. asked by Emma
3. 336 views
A shot-putter moves his arm and the 7.0 kg shot through a distance of 1 meters iving the shot a velocity of 10 m/s from rest.
1. 1 answer
2. asked by Omari
3. 1,272 views
How many moles are there in a 4.3 mole of tungsten?
1. 1 answer
2. asked by Chelly
3. 409 views
How many protons, nuetrons, and electrons are in18 2- O 8
1. 1 answer
2. asked by Meg
3. 416 views
How many moles are there in a 4.3 mole of tungsten?
1. 1 answer
2. asked by Chelly
3. 399 views
Hi I am writting an essay on a book called 'Funny Boy' I have to answer this question:Selvadurai raises questions about the
1. 1 answer
2. asked by Mary
3. 567 views
cos x sin x
1. 2 answers
2. asked by Joseph
3. 486 views
A long wire carrying a 5.0 A current perpendicular to the xy-plane intersects the x-axis at x = -2.0 cm. A second, parallel wire
1. 2 answers
2. asked by OLLIJURT
3. 1,565 views
How many grams of NH3, are required to produce 5.23 g HF?
1. 2 answers
2. asked by kristen
3. 1,176 views
Calcium carbonate reacts with phosphoric acid to produce calcium phosphate, carbon dioxide, and water.3 CaCO3(s) + 2 H3PO4(aq)
1. 1 answer
2. asked by carson
3. 3,344 views
julie arrived 20 minutes before the race began. she started right on time. it took her 24 minutes to finish the6-kilometer race.
1. 1 answer
2. asked by PAULA
3. 1,057 views
Rank the elements B, Al, Na, Mg from largest to smallest atomic radius.Would it be: Al, Mg, Na, B?
1. 1 answer
2. asked by Meg
3. 728 views
Are Lewis acids and bases defined using dissociation, electron pairs, hydrogen ions, or hydroxide ions?
1. 1 answer
2. asked by tori
3. 431 views
I have a question about buffers.Part A So it starts with 20ml 0.1 sodium acetate and 25ml 0.1 acetic acid. Calculate ph of
1. 3 answers
2. asked by Rio
3. 667 views
Are Lewis acids and bases defined using dissociation, electron pairs, hydrogen ions, or hydroxide ions?Does a Lewis acid accept,
1. 1 answer
2. asked by tori
3. 632 views
What is the pH of the solution obtained by mixing 30.00mL OF 0.250M HCL AND 30.00mL OF 0.125M NaOH?
1. 1 answer
2. asked by ami
3. 2,441 views
Calculate the PH OF A SOLUTION prepared by mixing 15.0mL OF 0.50 M OF NaOH AND 30.0mL OF 0.50 M BENZOIC ACID SOLUTION?(
1. 1 answer
2. asked by ami
3. 899 views
which units would you most likely use to describe the difference in height between a cricket and a grasshopper
1. 3 answers
2. asked by lol
3. 452 views
I have to do a paper on the railroad strike of 1877, but I find that there is too many websites. My teacher does not want us to
1. 1 answer
2. asked by Nancy
3. 574 views
double my tens digit to get my ones digit. double me and i am less than 50? who am i
1. 2 answers
2. asked by sydney
3. 400 views
Sara,Sorry to bother you again, I read the websites you provided for me and I do thank you very much. I decided to do the
1. 4 answers
2. asked by Lauri
3. 546 views
1. Why did many people leave Iceland in the 1870s?They were driven from their homeland by a series of volcanic eruptions. 2. Why
1. 5 answers
2. asked by John
3. 608 views
I need an understanding of a few matters in my accounting class:1) what are annuities and why is it necessary to calculate there
1. 3 answers
2. asked by Stumpped on Accounting
3. 643 views
The ______ of a transverse wave is the distance between 2 crests or 2 troughs.
1. 1 answer
2. asked by bob
3. 545 views
Find the real roots of the eqution16x2(squared) = 81
1. 2 answers
2. asked by teri
3. 639 views
as a hurricane forms the warm air--answer. goes up
1. 1 answer
2. asked by Noria
3. 185 views
Use the law of cosines to find the angle Q between the given vectors.v = 3i + j w = 2i - j
1. 1 answer
2. asked by Hannah
3. 587 views
on each side of a hurricane the--answer warm air sinks
1. 0 answers
2. asked by Noria
3. 198 views
When inflation causes the price of an item to increase the new cost C and the original cost c are related by the formula
1. 1 answer
2. asked by Taylor
3. 2,622 views
1.According to the law of demand, when the price of an item goes up, the quantity demandeda. stays at the same level. c. falls.
1. 5 answers
2. asked by Candace
3. 2,349 views
simplify�ã15*�ã42 _________ �ã35
1. 2 answers
2. asked by teri
3. 626 views
What mass of glycerin (C3H8O3), a nonelectrolyte, must be dissolved in 216.2 g water to give a solution with a freezing point of
1. 1 answer
2. asked by Stephany
3. 1,961 views
What has 4 equal sides, and both paris of opposite sides are parallel but it dose not contain a right angle?
1. 1 answer
2. asked by Erin
3. 496 views
can you give some music leaning site
1. 3 answers
2. asked by kate
3. 366 views
What happens when an insulator is wired in parallel with the bulb?is the swich open or closed?
1. 1 answer
2. asked by Javier
3. 959 views
You have a 1 L container of F2 at 20 degrees C and 1 atm. Subtract the weight of the container , what is the mass of the gas
1. 1 answer
2. asked by Andrea
3. 541 views
How many current paths are there in a series circuit connection?
1. 2 answers
2. asked by Javier
3. 632 views
Compare and contrast concepts of unsaturated, saturated and super saturated solutions. How would you make each type. What would
1. 1 answer
2. asked by Paul
3. 498 views
1. Classify the following number as rational or irrational: 4.1rational? 2. True or False: The Associative Property allows you
1. 2 answers
2. asked by mysterychicken
3. 1,018 views
1. The patient had a cystectomy. What does the root of this word mean?A. Kidney B. Bladder C. Sac D. Meatus Answer: C 2. When
1. 0 answers
2. asked by Brenda
3. 1,119 views
How many current paths are there in a parallel circuit connection?
1. 2 answers
2. asked by Javier
3. 600 views
Explain how the following changes in a reaction conditions will affect the position of the equilibrium below.A (g) + B (aq) C
1. 1 answer
2. asked by Thomas
3. 733 views
Organic chemists state that the rate of a chemical reaction can be doubled by increasing the reaction temperature by ten degrees
1. 1 answer
2. asked by Celia
3. 1,073 views
According to this chemical reaction, which is the number of grams of Fe produce from 14 moles of H2?
1. 1 answer
2. asked by Ana
3. 471 views
HOF-->HF + 1/2O2(oxygen)Half life: 30 minutes If the partial pressure of HOF in a 1.00 L flask is initially 100 mm Hg at 25C,
1. 2 answers
2. asked by Anonymous
3. 672 views
how can you solved this problem-3n squared+5n-2=0 using discriminant and to know if it is 1 or sol
1. 0 answers
2. asked by christina
3. 361 views
surface area of a rectangular prisms i have one with the same # on each side how many times should i * it
1. 0 answers
2. asked by kate
3. 431 views
1) If the Cost were split simply 50-50- than allocated expense would be -Advertising Expenses - $ 2.5 M for each business and
1. 0 answers
2. asked by Tootsie
3. 705 views
I'm looking for some resources that give webcam usage data or any kind of research studies on them.I've checked ebscohost and
1. 1 answer
2. asked by Kat
3. 455 views
Can someone explain this....."I've got a theory". I looked up the def. of perverse and realized it's someone who is stubborn or
1. 4 answers
2. asked by Rachel
3. 540 views
Why is there no reaction between Cr2(SO4)3 and Na2SO4?
1. 1 answer
2. asked by Sarah
3. 536 views
My Moral Reasoning assignment says to select one of the age groups I chose in week 6: Middle Childhood (6-10).Then says: Decide
1. 3 answers
2. asked by Lola
3. 1,128 views
what should you see when 2-butanol is treated with NaI-I2?if you pour ethylene glycol into water it mixes in all oroprtions. but
1. 2 answers
2. asked by karlene
3. 749 views
identify the latin basein the word aggrandizea)ize- B)ag- C)grand- D)***aggra-
1. 2 answers
2. asked by henry
3. 390 views
the latin bases in your textA)***a printed in capital letters B)printed in italics C)underlined D)put in parentheses
1. 2 answers
2. asked by henry
3. 513 views
which statement is not a requirement for anadequate definition?A)***a definition should not be expressed in the negative. b) a
1. 3 answers
2. asked by henry
3. 918 views
1/3(9 + g) = g+1can you please show me the steps and answer for this question?
1. 3 answers
2. asked by rebecca
3. 305 views
A painter needs to cover a triangular region 62 meters by 66 meters by 71 meters. A can of paint covers 70 square meters. How
1. 1 answer
2. asked by peter
3. 566 views
How many moles of chlorine are needed to react with 3.30 moles of aluminum?
1. 3 answers
2. asked by caroline
3. 587 views
2 (3a - 4) - 2 (4a + 3) simplify2 (a + 4) = 4 (a - 3)solve the equation Any help would be appreciated, I am still learning.
1. 2 answers
2. asked by Lori
3. 647 views
1. Chlorobenzene, C6H5Cl, is used in the production of chemicals such as aspirinand dyes. One way that chlorobenzene is prepared
1. 2 answers
2. asked by Michael
3. 6,149 views
how does electric discharge affect the society?
1. 1 answer
2. asked by Anonymous
3. 393 views

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