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Questions Asked on May 16, 2010

An airplane is pressurized to 650mm Hg, which is the atmospheric pressure at a ski resort at 13,000ft altitude.a. if air is 21%
1. 3 answers
2. asked by Helen
3. 7,269 views
what is the basis of a subspace or R3 defined by the equation2x1+3x2+x3=0 I know the basis is vectors <-3,2,0> and <-1,0,2> but
1. 1 answer
2. asked by jen
3. 5,905 views
Just a few questions about rates of reaction.A) Why are the units for average and instantaneous rates the same? -because they
1. 5 answers
2. asked by Jamie
3. 5,558 views
How to calculate the quantity of heat gained or lost in the following change:3.50 mol of water freezes at 0 degrees C? Would it
1. 3 answers
2. asked by Anonymous
3. 4,853 views
N2H4(g) + H2(g)--> 2 NH3(g) H1 = –1876kJ3 H2(g) + N2(g)--> 2 NH3(g) H2 = –922 kJ The H.f for the formation of hydrazine: 2
1. 3 answers
2. asked by CHem
3. 4,312 views
On a sunny day an office building casts a shadow that is 80 feet long. At the same time, a 5 foot person casts a 6 foot shadow.
1. 3 answers
2. asked by Lia
3. 2,229 views
Write an equation of the line satisfying the given conditions. Horizontal line through (-2, -5)
1. 1 answer
2. asked by Kate
3. 2,115 views
what is the 35th term of 5+11+17.....?
1. 2 answers
2. asked by Sue diaz
3. 1,662 views
Find the measure of the indicated exterior angle.Exterior angle is: 197-5n Two interior angles are: 5n+21 and n+11 I set it up
1. 3 answers
2. asked by bart
3. 1,625 views
Fixed Company produces a single product selling for $30 per unit. Variable costs are $12 per unit and total fixed costs are
1. 3 answers
2. asked by Monica
3. 1,484 views
what would the quantity of heat gained or lost be for 1.25 mol NaOH(s) dissolves in water?Could you post the answer and how you
1. 2 answers
2. asked by Anonymous
3. 1,445 views
Find the LCM of 11(s-3) and 33(s-3).LCM of 11 is 11*1 LCM of 33 is 3*11 LCM is 11*3*1=33 What do I do from here? I put down
1. 1 answer
2. asked by B.B.
3. 1,337 views
Write a 1,750- to 2,450-word paper that formulates your personal code of ethics, using one of the major ethical frameworks as a
1. 1 answer
2. asked by jessie
3. 1,272 views
please,i need help on this question:a thin circular ring of radius 20cm is charged with a uniform charge density(rho),if a small
1. 2 answers
2. asked by culata
3. 1,206 views
Which answer, if any, is correct to:Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What are
1. 3 answers
2. asked by bart
3. 1,206 views
find the surface area and volume of the right circular cylinder. The radius is 3 and height 6.This is what I put for volume:
1. 3 answers
2. asked by crystal
3. 1,161 views
The main component of nail polish remover is acetone, which has ∆Hvap= +31.3 kJ/mol. How many kJ of energy will be exchanged
1. 2 answers
2. asked by anonymous
3. 1,132 views
The particles of which sample of LiCl(s) have the same average kinetic energy as the particles in a 2.0 mole sample of NH3(g) at
1. 1 answer
2. asked by Anonymous
3. 1,111 views
Figure ABCD is a trapezoid with DC = (1/3) AB. What is the ratio of area ABCD to area DCE? Provide an argument to support your
1. 0 answers
2. asked by purple
3. 1,074 views
I am supposed to respond to the following statement: Nonrenewable energy resources include coal, oil, and natural gas.I am
1. 6 answers
2. asked by QueenP
3. 1,056 views
HOW WOULD U SAY "TRAVEL SECTION"AS IN A NEWSPAPER SECTION. IM MAKING A NEWS ARTICLE AND I NEED A TRAVEL SECTION MERCI :)
1. 2 answers
2. asked by S.
3. 1,045 views
394 cars, 57 trucks, and 23 buses ventured out in the snowstorm. 83 1/3% got stuck in the snow. How many vehicles got stuck?
1. 1 answer
2. asked by Kriztin
3. 1,043 views
assume the body temperature of healthy adults distributed with a mean of 98.20F and a standard deviation of 0.62F. If you have a
1. 2 answers
2. asked by Christine
3. 1,034 views
for a list of numbers entered by the user and terminated by 0, find the sum of the positive numbers and the negative numbers
1. 0 answers
2. asked by nancy
3. 1,024 views
The height, in feet, of a free-falling object t seconds after being dropped from an initial height scan be found using the
1. 1 answer
2. asked by Rachael
3. 976 views
2HI(g)--> H2(g) + I2(g)The rate law for the decomposition of HI is r=k[HI]^2. The rate of the rxn was found experimentally to b
1. 1 answer
2. asked by Jamie
3. 971 views
A ball falls from the top of a roof 320 feet above the ground. The formula h = -16t2 + 16t + 320 described the height of the
1. 0 answers
2. asked by Anonymous
3. 952 views
I have a total of three different answers that I got and had help with and nothing definitive. One way that I figured it out I
1. 0 answers
2. asked by bwb
3. 948 views
8 csc theta - 2=10 + 2 csc thetaI can't do it. :S
1. 0 answers
2. asked by Amir
3. 933 views
Hello, I am wondering what exactly characterizes a polar molecule.Are all polar molecules charged? How do you tell if an
1. 1 answer
2. asked by Bobbi
3. 869 views
A pyramid with height 2h and rectangular base with dimensions 3b and 6b.Find the volume V of this solid.
1. 0 answers
2. asked by Kalley
3. 827 views
(I need one of the tutors from Jiskha to read my essay and fill out the revision sheet. I'm supposed to get an adult to do it,
1. 2 answers
2. asked by y912f
3. 824 views
The daily sales at a convenience store have a mean of $1350 and a standard deviation of $150. Assuming n/N is less than or equal
1. 0 answers
2. asked by Felicia
3. 820 views
A New Hampshire resort offers year-round activities: in winter, skiing and other cold-weather activities; and in summer, golf,
1. 0 answers
2. asked by Joe
3. 819 views
how can you determine molecular polarity based on molecular shape?
1. 1 answer
2. asked by kellen
3. 808 views
55. Find the range of y = 2x + 1.a. all real numbers b. all positive numbers Not sure.. 67. Name the Property: -2 + (10+1) = (-2
1. 0 answers
2. asked by mysterychicken
3. 799 views
Canine Company produces and sells dog treats for discriminating pet owners. The unit selling price is $10, unit variable costs
1. 1 answer
2. asked by Monica
3. 797 views
I'm supposed to write an end-of-the-year reflection of my middle school years(valedictorian speech).. help?my teacher choose me
1. 2 answers
2. asked by NEEDSHELP(:
3. 789 views
A cone just fits inside a cylinder with volume 300cm^3. What is the volume of the cone?
1. 1 answer
2. asked by Ted
3. 787 views
What does diminion mean?
1. 1 answer
2. asked by sierra (6th grade)
3. 783 views
55. Find the range of y = 2x + 1.a. all real numbers b. all positive numbers Not sure.. 67. Name the Property: -2 + (10+1) = (-2
1. 1 answer
2. asked by mysterychicken
3. 776 views
1.The base of a triangle is 5cm greater than the height. The area is 33cm(2). Find the height and the length of the base?Height?
1. 2 answers
2. asked by Mickey
3. 749 views
Explain the Edwin Meese synddrome, giving examples from the fields of probation and parole
1. 1 answer
2. asked by frank
3. 739 views
• Write a 700- to 1050-word paper in APA format describing the five major structures of the brain and each structure’s
1. 2 answers
2. asked by zdenka
3. 737 views
how many ways can 9 cars be parked in a row of 9 parking spaces?
1. 2 answers
2. asked by Bob
3. 734 views
The vectors u, v are given by u = 3i + 5j, v = i - 2j. Find scalars a, b such that a(u + v) = 8i + (b - 2)j
1. 1 answer
2. asked by Michael
3. 732 views
A cone just fits inside a cylinder with volume 300cm^3. What is the volume of the cone?
1. 2 answers
2. asked by Ted
3. 729 views
explain the ethics of public service. why must all criminal justice professionals adhere to such a set of ethics.
1. 3 answers
2. asked by frank
3. 712 views
The vectors u, v are given by u = 3i + 5j, v = i - 2j. Find scalars a, b such that a(u + v) = 8i + (b - 2)j
1. 0 answers
2. asked by Michael
3. 705 views
Generate an object-oriented design for a system that keeps tracks of your CD and DVD collection.· Identify each of the classes,
1. 0 answers
2. asked by Joe
3. 705 views
A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from
1. 0 answers
2. asked by Anonymous
3. 700 views
55. Find the range of y = 2x + 1.a. all real numbers b. all positive numbers Not sure.. 67. Name the Property: -2 + (10+1) = (-2
1. 0 answers
2. asked by mysterychicken
3. 693 views
if you had paper clips, rubber bands, wood chip, straight pins, strips of aluminum foil, and glass beads. using a property of
1. 3 answers
2. asked by Anonymous
3. 682 views
Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates?
1. 4 answers
2. asked by Smith
3. 681 views
Assignment: HSM Law Profile Paper· Due Date: Day 7 [Individual] forum · Select a current or proposed law that impacts the
1. 2 answers
2. asked by shauntae
3. 663 views
The daily sales at a convenience store have a mean of $1350 and a standard deviation of $150. Assuming n/N is less than or equal
1. 1 answer
2. asked by Felicia
3. 661 views
How do I solve this simultaneous equation3x-2y=5 (1) 2y-5x=9 (2) I managed to find the value of x and that is -7 but I am having
1. 1 answer
2. asked by Vince
3. 644 views
Assume that the weight loss for the first two months of a diet program has a uniform distrbiutionover the interval 6 to 12
1. 3 answers
2. asked by bart
3. 627 views
"Y912f", please give the follow note to your parents.Dear Parents of Y912f, Your daughter has been receiving help from Jiskha
1. 3 answers
2. asked by GuruBlue
3. 610 views
University students, studying the activity of a particular radioactive isotope which had a half-life of 12.0 hours. If the
1. 1 answer
2. asked by Anonymous
3. 602 views
How many criteria should be included in an classroom rubric?Why?
1. 2 answers
2. asked by Marcia
3. 597 views
week9 Romans, Islamic, and Indian civilization. wHAT is the purpose of the piece, who's responsible for paying for the piece,how
1. 1 answer
2. asked by Charles
3. 596 views
Can someone please check my work for me?Write an equation of the line satisfying the given conditions. 9) Intersects the line y
1. 1 answer
2. asked by Nicole
3. 595 views
Without graphing, identify the slope and the y-intercept.y = -4x + 5
1. 1 answer
2. asked by Abby
3. 588 views
what role does religion play in society in North Korea?
1. 1 answer
2. asked by Derek
3. 587 views
Using data in table below and S °(C2H6(g))= 229.5 J·mol-1·K-1, calculate ÄfS° for C2H6(g) in J·mol-1·K-1.Compound S °,
1. 0 answers
2. asked by write2khin
3. 582 views
a) The sales representative informs you that there are two floor plans still available, and that there are a total of 63 houses
1. 0 answers
2. asked by Ashly Morgan
3. 580 views
Flask A contains 500 ml of whater at 25 celsius and flask B contains 250 ml of water at 50 celsius. Which flask has a higher
1. 1 answer
2. asked by taylor
3. 580 views
i am inthe 4th grade and need to write a composition. Can someone out there tell me what it is and give me an example.
1. 2 answers
2. asked by issac
3. 575 views
My 8th grade daughter is doing a poster for her 4-H poster project on Hooked on fishing not on drugs. And her topic is How do
1. 3 answers
2. asked by Momof8
3. 575 views
What is 24388 in scientific notation? And. Give the answer to the following calculations in the proper number of significant
1. 1 answer
2. asked by andrea
3. 567 views
describe the main events of the American Revolution
1. 1 answer
2. asked by chooey
3. 562 views
Find the slope of the line passing through the pair of points. (3, -2)and (4, -2). I got 4/7-
1. 4 answers
2. asked by Maybug
3. 560 views
In how many ways can a cashier give change of exactly 60 cents if he has the following coins available?10 quarters; 10 dimes; 10
1. 2 answers
2. asked by joe
3. 560 views
in visual basic, notes in a program which explain what the program is doingare called?
1. 2 answers
2. asked by christian
3. 558 views
Lear, Inc. has $800,000 is current assets, $300,000 of which are considered permanent current assets.In addition, the firm has
1. 0 answers
2. asked by Renee
3. 558 views
Dr Bobeach time i do a problem on this site I have to print out answer....is there any way you know how to save it to usb
1. 1 answer
2. asked by ANDY
3. 556 views
CAN SOMEONE PLEASE TAKE SOME TIME OUT TO DO THIS, IT'S REALLY IMPORTANT TO ME, PLEEASE! I'VE POSTED IT SO MANY TIMES. THANKS TO
1. 1 answer
2. asked by y912f
3. 551 views
Am using the inventory method at moment but am stuck on how fill i the inventory for__Agl+__Fe2(CO3)3--> __Fel3+__Ag2CO3 I think
1. 2 answers
2. asked by ANDY
3. 544 views
the bodys ongoing process of regulating the internal enviroment electrolyte balance blood chenistry temperature and so on is
1. 2 answers
2. asked by robbie
3. 544 views
State whether the equation represents a linear, quadratic, or exponential function.x^2 + 6 = -8 x
1. 3 answers
2. asked by Carmen
3. 542 views
The length of the Loch Ness monster is 30 meters plus a third of its own length. How long is the Loch Ness monster?
1. 1 answer
2. asked by gio
3. 538 views
What factors may be affecting the amounts of materials that are being recycled in 0ntario?
1. 2 answers
2. asked by Navroz
3. 537 views
I am taking an online class, and cant understand why when I calculate ona ti84 plus an answer I get decimal answer and my
1. 2 answers
2. asked by jeff
3. 532 views
Write an equation for an ellipse if the endpoints of the major axis are at (1,6) and (1,-6) and the endpoints of the minor axis
1. 0 answers
2. asked by Kay
3. 527 views
Need help with : Balancing oxidation reduction reactionsMg(s) + HCl(aq) → Mg^2+(aq) + Cl ‾(aq) + H2(g)
1. 1 answer
2. asked by Anonymous
3. 526 views
For the PSAT or SAT is there a vocab list that I can study from?
1. 1 answer
2. asked by Anonymous
3. 526 views
I am having a lot of difficulty trying to figure out how to put two math (word problems) questions into an expression. Can
1. 3 answers
2. asked by Rick
3. 520 views
she is a driving force of inspiration to the children and teenagers. Do i need an article in infront of inspiration(a or the)
1. 1 answer
2. asked by flame
3. 517 views
The U.S. cigarette industry has negotiated with Congress and government agencies to settle liability claims against it. Under
1. 0 answers
2. asked by Joe
3. 515 views
Flask A contains 500 ml of whater at 25 celsius and flask B contains 250 ml of water at 50 celsius. Which flask has a higher
1. 1 answer
2. asked by taylor
3. 514 views
How many significant figures are in each of the following a.234 b. 2500 c.0.0034. d. 12.00 e. 0.01010
1. 2 answers
2. asked by andrea
3. 507 views
Could anyone name the enthalpy change by name AND if it is exothermic or endothermic (why it is endo or exo)1 mol C(3)H(8)(l) to
1. 1 answer
2. asked by Anonymous
3. 507 views
one skill that's generally expected of technology workers is
1. 1 answer
2. asked by melissa
3. 504 views
how do you form the probability tree for this??The commonly used test to assess Down's syndrome risk in the unborn foetus is the
1. 1 answer
2. asked by jessie
3. 500 views
An industrial worker accidentally inhaled a radioisotope with an activity of 0.200 kBq. The substance swallowed has a very long
1. 0 answers
2. asked by Kirsten
3. 499 views
for the word manner, when do i use it as plural
1. 1 answer
2. asked by flame
3. 498 views
How to obtain formula if:-Brazil's total internet users is 67510 and world's total internet users is 1544854. what is brazil's
1. 1 answer
2. asked by JAndu
3. 497 views
verify: cos(x)+sin(x)tan(x)=sec(x)
1. 1 answer
2. asked by Anonymous
3. 493 views
Does anyone know how to writ a juvenile probation plan?
1. 1 answer
2. asked by Wendy
3. 492 views

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