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Questions Asked on January 5, 2009

The element rhenium (Re) has two naturally occurring isotopes, 185Re and 187Re, with an average atomic mass of 186.207 amu.
1. 7 answers
2. asked by lyne
3. 8,971 views
What did they call the duck who became a test pilot?(no it is not firecracker) (its 13 letters) (the worksheets box thing is sk
1. 29 answers
2. asked by skoolgurl
3. 8,214 views
a 500 N person stands on a uniform board of weight 100 N and length 8 m. the board is supported at each end. if the support
1. 3 answers
2. asked by amanda
3. 6,206 views
A tennis ball is hit into the air and moves along an arc. Neglecting air resistance, where along the arc is the speed of the
1. 1 answer
2. asked by dani
3. 4,100 views
The 10th term of an arithmetic series is 34, and the sum of the first 20 terms is 710. Determine the 25th term.Can someone
1. 6 answers
2. asked by Mae
3. 3,512 views
Make I the subject of the formula V = IR.a) I = VR b) I = V/R c) I = R/V
1. 2 answers
2. asked by Renee
3. 1,804 views
A plane takes off at St. Louis, flies straight to Denver, and then returns the same way. The plan flies at the same speed with
1. 1 answer
2. asked by Gina
3. 1,620 views
Two projectiles are launched form ground elvel at the same angle above the horizontal, and both return to groudn level.
1. 1 answer
2. asked by dani
3. 1,452 views
A polar substance is most soluble in ... ?A non-polar substance is most soluble in ... ? A generalized statement summarizing the
1. 2 answers
2. asked by Virginia
3. 1,298 views
Why you feel pressed back into the seat of a car when it accelerates.ps.. its based on Newton's inertia, i think. I don't
1. 3 answers
2. asked by I+6 grade science=i don't understand science
3. 1,264 views
The compound adrenaline contains 56.79% C, 6.56% H, 28.37% O, and 8.28% N by mass. What is the empirical formula for adrenaline?
1. 4 answers
2. asked by lyne
3. 1,160 views
I need help making a food web for the following:Forest-field ecosystem, Corn,Decomposers, Deer,Fox,Grass,Mouse, Owl,Rabbit,
1. 1 answer
2. asked by Jennifer
3. 1,139 views
The radius of circle M is 3 times the radius of circle P. If the area of circle P is abotu 27 sq. cm. the area of circle M is
1. 10 answers
2. asked by brianna
3. 961 views
a man and a woman are sitting .5m away from each other. the man has a mass of 75 kg and the woman has a mass of 65 kg. what is
1. 1 answer
2. asked by john marsh
3. 929 views
Using Addition to Solve EquationsMr wilheim wrote down the amount of wax used for the Betsey Ross Statute. For the queen, he
1. 1 answer
2. asked by alex
3. 903 views
Why did they call the duck who became a test pilot?
1. 5 answers
2. asked by honorsclass
3. 845 views
two small objects of masses 'm' & '2m' each are attaached to the ends of a light rigid rod of length 'L' . the rod is pivoted at
1. 1 answer
2. asked by hriday
3. 817 views
Fortunately in English can you please tell me the spanish translation,also the spanish word afortunadamente what is the Englsih
1. 1 answer
2. asked by sam
3. 815 views
Why are matter cycles essential in an ecosystem?
1. 3 answers
2. asked by Peyton
3. 769 views
Describe how the Expression of the gene of interest could be ensured
1. 1 answer
2. asked by phil
3. 704 views
how does the structure of DNA help account for the way in wich DNA copies itself
1. 1 answer
2. asked by tommy
3. 667 views
which of the following mothers has the greatest chance of birthing a baby with birth defects due to contracting rubella during
1. 2 answers
2. asked by tzeni
3. 666 views
How are newer ( any type) religions different from older ones? How are they similar?
1. 7 answers
2. asked by A.W.
3. 648 views
blank times blank equals 140 what is the two blanks
1. 3 answers
2. asked by Dave
3. 632 views
Beth & her grandmother paid $23 tickets to a play. An adult ticket costs $6.50 more than a child's ticket. What was the cost of
1. 4 answers
2. asked by Sacha
3. 631 views
what type of economic activity is predominant in the deserts of north Africa and south Asia?
1. 3 answers
2. asked by memo
3. 614 views
please can you help me with these two questions. i have tried looking it up on google, but cant get the exact answer.1. During
1. 5 answers
2. asked by y912f
3. 604 views
Regarding the use of anesthetics during childbirth, which of the following statements is true?A They are rarely used these days
1. 1 answer
2. asked by tzeni
3. 590 views
Is "je suis allé souvent" correct or should it be "je suis souvent allé?"Thanks
1. 1 answer
2. asked by JK
3. 588 views
Can someone please check my answers?Thank you! 1. is (-8,-9) a solution of 2x+4y=12 No 2. Solve using the multiplication
1. 2 answers
2. asked by deedra
3. 586 views
a rope can withstand 300N of force before snapping. assume that a 4 kg object is attached to the rope and is being spun in a
1. 1 answer
2. asked by john marsh
3. 580 views
Explain potential for growth internally and externally.
1. 4 answers
2. asked by Shabida
3. 566 views
Calculate the number of C, H, and O atoms in 4.50 g of glucose (C6H12O6), a sugar.help please?
1. 1 answer
2. asked by lyne
3. 565 views
I was wondering if someone could show me how to post links on this website. It gives me an error when I try to post a link in my
1. 2 answers
2. asked by Don
3. 550 views
I am having a really hard time with these!1. Solve system of equations x+3y=7 (1) x=8-3y (2) 2. find slope (9,8) (10,-7) 3.
1. 2 answers
2. asked by deedra
3. 549 views
How can a person distinguish between the prejudicial and nonprejudicial use of rhetorical devices?
1. 2 answers
2. asked by Debra
3. 546 views
what is the structure of the united nation (UN)
1. 6 answers
2. asked by lila
3. 541 views
a special plane stood waiting for the president find the italicized word
1. 4 answers
2. asked by yeshua
3. 523 views
Does apartheid still exist in some ways in South Africa? Explain.
1. 1 answer
2. asked by Ellie
3. 510 views
Describe why the incomplete combustion of a hydrocarbon in an enclosed area can be dangerous.
1. 1 answer
2. asked by Becky
3. 502 views
16. I am supposed to multiply the matrices B and C by each other B is:7 6 2 -3 -1 8 9 5 and C: 0 8 -2 1 Would someone mind
1. 1 answer
2. asked by Saria
3. 500 views
what the angle between the tangents at T?
1. 1 answer
2. asked by niki
3. 499 views
Problem sloving question - Using addition to solve equationsMr wilheim made 342 gallons of brown wax. Unfortunately, he burned
1. 1 answer
2. asked by alex
3. 498 views
How do you find the coefficient of friction of an object sliding down an inclined plane.Given: m = 10 kg length of plane = 5.0 m
1. 2 answers
2. asked by Megan
3. 497 views
The width of a rectangle is fixed at 28 cm. What lengths will make the perimeter greater than 70 cm?
1. 2 answers
2. asked by deedra
3. 492 views
What needs to take place to bridge the economic gap between whites and blacks in South Africa?
1. 2 answers
2. asked by Ellie
3. 485 views
How do I change grams to moles.
1. 2 answers
2. asked by Iedane
3. 483 views
how do you draw a circle with the points of A,B,and D that lies on the point of tangency C
1. 5 answers
2. asked by mary
3. 480 views
Is there a value for the enthalpy of vaporization of water at any temperature? Or does the value change with different
1. 1 answer
2. asked by Unsure
3. 473 views
computer upgrades are great but what's one to do when there is no manuel for teaching the new upgrades?my question: has anyone
1. 0 answers
2. asked by barb
3. 471 views
Okay, so I need to make a line graph for career advancement.Would I put the job position on the vertical axis or the horizontal
1. 1 answer
2. asked by Larry
3. 471 views
Can someone tell me what is employee training and employee development?
1. 1 answer
2. asked by Chloe
3. 469 views
Is there a value for the enthalpy of vaporization of water at any temperature? Or does the value change with different
1. 2 answers
2. asked by Unsure
3. 462 views
The coefficient of friction = 0.256Mass of and object = 356 kg What is force of friction? Is this correct?... Ff = umg =
1. 1 answer
2. asked by JO
3. 460 views
¬=Square rootHow is [3*(¬2)+2*(¬3)]^2 expanded?
1. 3 answers
2. asked by Anonymous
3. 453 views
I created a food chain with three organisms corn,cow,and humans. Can only pleas tell me if I can make a food web out of my chain
1. 1 answer
2. asked by Peyton
3. 452 views
How does Cre'vecoeur's description of an American apply to Byrd?
1. 1 answer
2. asked by will
3. 451 views
How do I change the molecular weight(58) of NaCl to grams?
1. 2 answers
2. asked by Iedane
3. 448 views
how will employees in the medical office have to be trained regarding privacy (for example, who is responsible for training and
1. 1 answer
2. asked by Elaine
3. 437 views
How could knowing that 35/7=5 help you find 42/7? Explain
1. 1 answer
2. asked by Jake
3. 431 views
A yo-yo has a string length of 0.200 mWhat is the slowest speed at which you can spin it to keep it in a fixed path? What is
1. 5 answers
2. asked by Megan
3. 420 views
If a plane is diving straight towards the ground at 500 m/s how high up must he pull out of the dive to avoid hitting the
1. 1 answer
2. asked by john marsh
3. 411 views
Is there a value for the enthalpy of vaporization of water at any temperature? Or does the value change with different
1. 1 answer
2. asked by Unsure
3. 410 views
Can someone help me solve these problems? Thank you.[SQRT(2x2 + 5x + 6)]=x . [SQRT(x + 3)] = 2[SQRT(x)]
1. 1 answer
2. asked by Mike
3. 408 views
From the question before, I got to 18+6*SQRT5+6*SQRT5+12 am I on the right track or did I make a mistake somwhere?
1. 5 answers
2. asked by Anonymous
3. 403 views
How do you find the max height of a projectile given the angle and Vi?Angle = 57.0 degrees Initial V = 46 m/s
1. 1 answer
2. asked by JO
3. 402 views
What are sources of fixed and working capital? Give some examples of each.
1. 1 answer
2. asked by Shabida
3. 402 views
Darin counted 46 more cars than trucks in a parking lot. There were 29 trucks write an expression that shows how many cars were
1. 2 answers
2. asked by Jalyn
3. 398 views
0.5x + 7 less than or equal to 1.3x-8.5xless than or equal to 1.3x-15 -.8xless than or equal to -15 x less than or equal
1. 1 answer
2. asked by deedra
3. 393 views
Who said,We may have disagreement, butlet some other country step on our tail and see how quickly American unite. It is a
1. 1 answer
2. asked by Steven
3. 388 views
what is the main purpose of fruit pruduction by a plant
1. 1 answer
2. asked by daria
3. 380 views
What is a rate and how doI find it?
1. 1 answer
2. asked by Madison
3. 378 views
sorry, i posted the wrong equation in the other message5^(x+3)-5^(x+2)=4 again, i know the answer is x = -2, but i'm not sure
1. 1 answer
2. asked by Hared
3. 378 views
Fill up the missing columns in the following.1.length----cm,breadth----cm,-----area0.64 m(square)
1. 1 answer
2. asked by ritu
3. 372 views
the top of a volcano contains a
1. 1 answer
2. asked by Esteven
3. 370 views
Evaluate the following. 4-(-3)+1 / 2-2/(-2)?
1. 1 answer
2. asked by A.W.
3. 365 views
word containing the word rock with ice only
1. 3 answers
2. asked by Jonathan
3. 365 views
Pedro used 2/3 of a 33 ounce bottle of soap to wash his mother's car. How many ounces of soap did Pedro use?
1. 6 answers
2. asked by SG
3. 358 views
keep trying to solve this one but canceling out x. i know x=-2 but i'm not quite sure how to get there in steps?5^(2+3)-5^(x+2)=
1. 1 answer
2. asked by Hared
3. 341 views
Using Multiplication to solve equations:9y-5 had to iron space suits for the astronuts. When he finished he turned in the suits
1. 1 answer
2. asked by agnes
3. 339 views
Using Multiplication to Solve Equations9-Y5 had only packed 1/8 of the meals he was supposed to pack. The astronut had only been
1. 2 answers
2. asked by agnes
3. 338 views
do u know where i could find information on cheese and hygiene?thanks in advance if u do
1. 0 answers
2. asked by Ryanna
3. 332 views
Where are the Norwegin Fjords?
1. 1 answer
2. asked by Anonymous
3. 325 views
Ok, I really like taking random notes but my teacher hates the fact that I do. She says I need to pick a note style.What style
1. 1 answer
2. asked by Abby
3. 320 views
How is a food chain different from a food web?
1. 1 answer
2. asked by Peyton
3. 308 views
what is a cell
1. 1 answer
2. asked by danielle
3. 307 views
800 at 8% for 1 year
1. 1 answer
2. asked by De sean
3. 298 views
why would some one want to read your paper.
1. 6 answers
2. asked by HELP
3. 296 views
Combining like terms -1/2x+2/4x=16+1/2 how would you combine this
1. 3 answers
2. asked by angnes
3. 292 views
what does this simplify to:f(x)=x/(x+4)^(1/5)-2
1. 1 answer
2. asked by Allie
3. 289 views
how would you rathionalize the denominator of:f(x)= x/((x+4)^.5)-2
1. 1 answer
2. asked by Beth
3. 280 views
Can anyone help with some ideas in constructing a food web of the organisms found in a landfill site. Thanks.
1. 0 answers
2. asked by Peyton
3. 278 views
How to write an equation:Forty percent of a number,y, is 48.
1. 2 answers
2. asked by agnes
3. 269 views
Wolves don't eat plants, but a wolf could not live in an ecoystem that didn't have plants. Please Explain.
1. 2 answers
2. asked by Peyton
3. 255 views
Why are matter cycles essential in an ecosystem?
1. 1 answer
2. asked by Peyton
3. 245 views
-7X+X
1. 2 answers
2. asked by Whitmney
3. 145 views

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