Questions Asked on May 9, 2007

A 650 kg weather balloon is designed to lift a 4600 kg package. What volume should the balloon have after being inflated with
1. 2 answers
2. asked by Anonymous
3. 9,308 views
A submerged submarine alters its buoyancy so that it initially accelerates upward at 0.325 m/s^2. What is the submarine's
1. 2 answers
2. asked by Anonymous
3. 3,918 views
Which of the following objects will float in a tub of mercury?a. a solid gold bead b. an ice cube c. an iron bolt d. 5 mL of
1. 5 answers
2. asked by Anonymous
3. 2,556 views
Many kayaks are made of plastics and other composite materials that are denser than water. How are such kayaks able to float in
1. 1 answer
2. asked by Anonymous
3. 2,358 views
can someone help me with these:Find the radius, diameter and circumference of a circle with an area of 64 cm2. Write your
1. 5 answers
2. asked by mike
3. 1,584 views
Find the Volume of a hemisphere with a diameter of 17 cm. Use pi = 3.14 and round to the nearest hundredth. can some one show me
1. 1 answer
2. asked by mike
3. 1,441 views
the length of a rectangle is 6 cm more than its width. the area is 11 cm squared. find the length and width.look at the post by
1. 2 answers
2. asked by help me plz
3. 1,425 views
A .682 g sample of an unknown weak monoprotic acid, HA, was dissolved in sufficient water to make 50mL of solution and was
1. 0 answers
2. asked by Sara
3. 1,327 views
First of all purchasing a good English/X and X/English dictionary is an investment in your future. For "generic" purposes X
1. 0 answers
2. asked by SraJMcGin
3. 1,157 views
i have trouble with my subtractioin i also have problems with my spellings please helpPlease check these sites for games to help
1. 0 answers
2. asked by sophie
3. 1,107 views
Why can't a equal 1 in y=log(base a) x.And why is x always positive in that? Hmmmm. a^y=x (from the problem statement). If a
1. 0 answers
2. asked by Raj
3. 1,089 views
the inner core is solid, why is this so when high temperatures tend to liqiudifymatter? High pressures at the core tend to
1. 0 answers
2. asked by milcah
3. 1,057 views
You did not watch your units, you are mixing inches and feetYour equation should have been 1/2 = 1/di + 1/120 (I changed 10 feet
1. 0 answers
2. asked by Reiny
3. 1,057 views
2.50x + 1.75y < or = to 15y < or = 1.43x + 8.57 y = 8.57 I'm having a brain cramp and trying to find x has been a lost time
1. 0 answers
2. asked by Amanda
3. 944 views
Can someone please help solve this?Solve by using addition or substitution or addition. 10x+2y=7 y=-5x+3 the answer my got was
1. 0 answers
2. asked by jessica
3. 889 views
the length of a rectangle is 1 cm less than twice its width. the area is 28 cm squared. find the dimensions of the rectangle.Jus
1. 1 answer
2. asked by anonymous
3. 853 views
How do u do logarithms where there is a log on one side and a number on the other...Example- -21.044=log(P/30) I don't want just
1. 0 answers
2. asked by Emily
3. 850 views
sentense with 11 elephantPlease keep in mind that <b>we don't do students' homework for them</b>. Once you write a sentence,
1. 0 answers
2. asked by kelly
3. 842 views
Can you please help with this problem. I don't know how to solve it at all.A uniform solid disk with a mass of 32.3 kg and a
1. 1 answer
2. asked by Jim
3. 842 views
Solve each of the following quadratic equations.can some explain how to do these kinds of problems 4x^2=13x+12 i believe if i am
1. 0 answers
2. asked by Tina
3. 840 views
Hi. I need some good sources to use. Lots of them. I'll explainI need to write a 6 page research paper on Jack London and the
1. 0 answers
2. asked by Andrew
3. 799 views
What is the climate and physical characteristics of that biome and the types of organisms that live within it?You will have to
1. 0 answers
2. asked by Serita
3. 772 views
Use the table below to compare and contrast characteristics of nonverbal and verbal communication for audiences in relaxed
1. 0 answers
2. asked by Linda Wortham
3. 732 views
I am studying the history of toilet paper. When and how was toilet paper invented? What did people use before the invention of
1. 0 answers
2. asked by Fred Mullens
3. 727 views
Is lithium hydroxide a strong or weak base?It is 100% ionized so, by definition, it is a strong base. Try looking up Kb for LiOH
1. 0 answers
2. asked by Anna
3. 695 views
PLEASE HELP!!!A standard doorway measures 6 feet 8 inches by 3 feet. What is the largest dimension that will fit through the
1. 1 answer
2. asked by Grayson
3. 677 views
What information about race and ethnicity in the United States has helped people in the United States better understand or
1. 2 answers
2. asked by Asheley
3. 675 views
describe two practical applicatons for being able to extract DNA from cellsSince this is not my area of expertise, I searched
1. 0 answers
2. asked by Anonymous
3. 661 views
help on how to write a narrativelike a first lecture in the university What are you trying to do? Write a story? Please be
1. 0 answers
2. asked by milcah
3. 646 views
Could u help me with this question.The number, N, of people who have heard a rumor spread by mass media at time, t, in days is
1. 0 answers
2. asked by sean
3. 645 views
FeS+HC1--->FeC1(2)+H(2)S. what is the balanced equation thanks.Wouldnt you need a coefficent of two in front of HCl? the
1. 0 answers
2. asked by dillon
3. 637 views
Who are some obese people who have had a positive impact on society and been good role models?Good role models for what, the
1. 0 answers
2. asked by Pablo
3. 633 views
Take the real-life situation and create an equation or inequality that could be used for analysis, prediction, or decision
1. 0 answers
2. asked by Jon
3. 612 views
Can someone tell name 6 effects of ocean currents?Thanks Since this is not my area of expertise, I searched Google under the key
1. 0 answers
2. asked by Erica
3. 598 views
a mordern power station,or, more correctly, an energy station, converts heat energy into electrical energy at an efficiency od
1. 0 answers
2. asked by Emma
3. 595 views
Please show me how to solve this problem.8/x^2-16 + 3/4 = 1/x-4 multiply each of the terms by x^2, collect your like terms and
1. 0 answers
2. asked by Marie
3. 593 views
The ‘body mass index’ is used to find the body weight that is appropriate for a person’s height. It is calculated using
1. 0 answers
2. asked by katie
3. 592 views
Okay I need to know which readability formula fit each one of these Scenarios. Scenario 1: The trip scheduled for Mexico during
1. 0 answers
2. asked by noreen
3. 570 views
How do you simplify[2/(x+4)]+2 ----------- [3/(x+4)]+1 I know the answer is 2(x+5)/(x+7), but I have little idea how to get
1. 0 answers
2. asked by Lydia
3. 570 views
The area of a rectangle is 220 square centimeters. The height of the rectangle is two more than twice the base. What is the
1. 0 answers
2. asked by Chadd
3. 570 views
Could someone show me how to get the work for:3/4 (sqrt)-16/25 ? The answer says 3/5i. Could anybody tell me how to get there
1. 0 answers
2. asked by Danielle
3. 564 views
I have a report that I need to do using superscripts for my sources. Do I have to put a superscript after every sentence? Or can
1. 0 answers
2. asked by Brad
3. 559 views
Find all positive values for k for which each of the following can be factored.x^2+3x+kthe coefficent of the middle term is 3
1. 0 answers
2. asked by allen
3. 557 views
I have to Rewrite the following sentences using future proche.1. II dine restaurant II vous dine restaurant 2. Grand-maman va a'
1. 0 answers
2. asked by DANIELLE
3. 554 views
I'm desperate and I cannot find the answer to this question....As the name implies, globular proteiens tend to have a roundish,
1. 0 answers
2. asked by Suzi
3. 550 views
The specific heat capacity of the lava is 1600 J kg -1 degrees Celsius -1 .When all the erupted lava cools from the eruption
1. 0 answers
2. asked by k
3. 542 views
I just need a little help on a few questions:- Why does a tax cut have a smaller multiplier than a hike in government spending
1. 0 answers
2. asked by Anonymous
3. 534 views
How do you descirbe how gas exchange in the air sacs?Well i do not get this may you help me !
1. 0 answers
2. asked by Hot Stuff
3. 525 views
please help cuz i been trying for ages and cant get the answereach telephone call made to the emergency services either is or is
1. 0 answers
2. asked by smartypants
3. 501 views
A town planner is using a map of a town centre with a scale of 1: 1250A path in the town is 8cm long on the map. How long is the
1. 0 answers
2. asked by k
3. 494 views
Okay well I suddenly got confused for a lab I did We took pH meter than we calibrate it. Then we measure the pH of the acetic
1. 0 answers
2. asked by Linda
3. 494 views
Which substance is NOT a mixture.A. Soil B. Concrete C. Soda D. Gold Which of those substances do you think is not a mixture?
1. 0 answers
2. asked by Missy
3. 489 views
How do you simplify this?1/{(x/y)+1} multipy numerator and denominator by y. y (1)/y(x/y +1) then simplify y/1+x?
1. 0 answers
2. asked by Drew
3. 486 views
If PT = 5.3, TU = 3.8, and UV = 6.4. Solve for the measure of VS and round to the nearest hundredth.What is PT, TU etc Are they
1. 0 answers
2. asked by mike
3. 480 views
Hi,Does anybody know any websites or ideas of how to make an airplane without any paper (cardboard is allowed). Please help.
1. 0 answers
2. asked by Ron
3. 477 views
Can you help with this question?Which statement is not true when a teacher exhibits defensive behavior during a hostile
1. 0 answers
2. asked by Jill
3. 475 views
what year did the Holocaust begin?�http://en.wikipedia.org/wiki/Holocaust Scroll down to the outline (table of contents) and
1. 0 answers
2. asked by brooke
3. 469 views
My non-profit company received 4 parcels of land from another affiliated non-profit for "one dollar". I originally booked:Debit
1. 1 answer
2. asked by Michele
3. 460 views
I'm stuck on a pre-calc problem. I need to find y as a function of x, where the constant c is a positive number for
1. 0 answers
2. asked by Sarah
3. 458 views
What is a female sheep?Check the first paragraph in this site. http://en.wikipedia.org/wiki/Sheep
1. 0 answers
2. asked by Anonymous
3. 443 views
-3/[(5/x)+y]Can someone please tell me how one goes about simplifying this? Multiply numerator and denominator by x. would the
1. 0 answers
2. asked by Anna
3. 436 views
1. Determine an expression for dy/dt if x^2+2y^2=8 and dx/dt=3.2. A point is moving along the right branch of a hyperbola
1. 0 answers
2. asked by Icy
3. 407 views
If you replaced an electron with a proton would the magnitude of the electric and gravitational forces increase, decrease or
1. 0 answers
2. asked by jet
3. 398 views
If PT = 5.3, TU = 3.8, and UV = 6.4. Solve for the measure of VSIs there a figure that goes with this question? Without some
1. 0 answers
2. asked by mike
3. 358 views
What is the formula for Volume?Volume of what?
1. 0 answers
2. asked by mars
3. 354 views
I have3 2/3 + 7 1/8 = I 1st got 10 19/24 then I got 239/24 please HELP!! What is the right answer? 10 19/24 or 259/24 depending
1. 0 answers
2. asked by Jenifer
3. 320 views

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