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Questions Asked on November 7, 2008

Expressed to the correct number of significant figures, the sum of two masses is 445.2 grams. WHich two masses produce this
1. 4 answers
2. asked by Joanne
3. 10,760 views
Three identical thin rods, each of length L and mass m, are welded perpendicular to one another as shown below. The assembly is
1. 3 answers
2. asked by sara
3. 5,397 views
Hi everyone, I'm having problems with effective nuclear charge. Regarding these problems.Calculate Zeff for a valence electron
1. 3 answers
2. asked by Vinny
3. 5,293 views
The distinction between mass and weight was discovered after Jean Richer transported pendulum clocks from Paris to French Guiana
1. 1 answer
2. asked by henry
3. 2,199 views
A 2.91 gram sample of a gaseous compound that contains only boron and hydrogen has a volume of 1.22 L at 25°C and 1.09 atm.
1. 1 answer
2. asked by songyi
3. 1,765 views
(a) Find dy/dx given that x^2+y^2-4x+7y=15.(b) Under what conditions on x and/or y is the tangent line to this curve horizontal?
1. 2 answers
2. asked by George
3. 1,747 views
Laws passed in some states define a drunk driver as one who drives with a blood alcohol level of 0.08% by mass or higher. the
1. 1 answer
2. asked by Komal
3. 1,665 views
on the moon, the acceleration due to gravity is 1.6m/sec^2a. if a rock is dropped into a crevasse, how fast will it be going
1. 1 answer
2. asked by ET
3. 1,652 views
a marathoner ran the 26.2-mi New York City marathon in 2.2h. show that at least twice, the marthoner was running at exactly 11
1. 4 answers
2. asked by ee
3. 1,561 views
where do I find goodbye to the moon story ?
1. 4 answers
2. asked by landon
3. 1,397 views
(A) Find the equations of the tangent lines to the circle x^2 +y^2=25 at the points where x=4.(B) Find the equations of the
1. 2 answers
2. asked by George
3. 1,328 views
it says the knights banquet hall uses the equation 25n-c+1250=0 determine the cost for a hall rentalthe legions banguet hall
1. 1 answer
2. asked by Laura
3. 1,303 views
In 1920, the record for a certain race was 46.6 sec. In 1990, it was 45.9 sec. Let R(t)=therecord in the race and t=the number
1. 1 answer
2. asked by PJ
3. 1,235 views
THIS IS THE ASSINGMENT CAN ANYONE HELP4. CheckPoint: Terrestrial Resource Plan •Resources: Ch. 12-16 of Visualizing
1. 17 answers
2. asked by angela
3. 1,172 views
Calculate the heat of formation of SiO4(s), given that the heats of formation of SiO2(s), -910.90 KJ/mol; H2O(l), -285.8 KJ/mol;
1. 0 answers
2. asked by matt
3. 1,124 views
My question is, Hund's rule states that the electrons pair up only after each orbital in a sublevel is occupied by ______. I
1. 1 answer
2. asked by Sue
3. 1,099 views
The average life expectancy for American men born in 1900 was 55 years. Life expectancy has increased by about .2 year for each
1. 1 answer
2. asked by i love polka
3. 1,050 views
Bacteria Y has a mutation within it’s genome, at gene R, that provides resistance to neomycin. Bacteria Z is sensitive to
1. 2 answers
2. asked by bebe
3. 1,039 views
my teacher says we should replace the verb to be (is, are,was,were, has been) and there are a couple places in my essay where i
1. 2 answers
2. asked by Kate
3. 1,028 views
A war-wolf or trebuchet is a device used during the Middle Ages to throw rocks at castles and now sometimes used to fling large
1. 2 answers
2. asked by tom
3. 1,026 views
Identify leaders of the Civil Rights and Black Power movements and their contributions to their respective causes. How did these
1. 1 answer
2. asked by LILSISTER
3. 999 views
sentence for prerogativesentence for provincial please make one up . =)
1. 4 answers
2. asked by melissa
3. 978 views
is the force of gravity stronger on a piece of iron than on a piece of wood, if both have the same mass?
1. 2 answers
2. asked by Lee
3. 978 views
Verify that each equation is an identity.16. 1+tanx/sinx+cosx =secx ok i have a clue on how to do it. i multiplyed the
1. 4 answers
2. asked by gaby
3. 965 views
An object starts sliding up a plane tilted at an angle of alpha = 5.0◦ tothe horizontal. The object’s initial speed is v =
1. 1 answer
2. asked by Sandhya
3. 963 views
How many times will the incident beam shown in Figure P25.3 (x = 1.90 m, y = 1.30 m) be reflected by each of the parallel
1. 1 answer
2. asked by Nancy
3. 960 views
Give example of two non-zero matrices A and B such that A^2=0, B^2=0 butAxB and BxA do not equal zero.
1. 0 answers
2. asked by Amanda
3. 950 views
could you give me some advice how to read academic articles in english??english is my second language and also I have to read
1. 3 answers
2. asked by asia
3. 933 views
a compound containing only boron, nitrogen and hydrogen was found to be 40.3% B, 52.2%N, and 7.5% H by mass. If 3.301g of this
1. 2 answers
2. asked by tomi
3. 920 views
Ray AF bisects angle DAB, Ray AE bisects angle DAF, and ray AD bisects angle CAF. Draw a picture that represents this situation.
1. 1 answer
2. asked by Emma
3. 896 views
If you start with one penny, and double it each day (1c, 2c, 4c, 8c, 16c...) how many days will it take to reach one million
1. 1 answer
2. asked by Dono
3. 830 views
show that the solution has exactly one solution in the intervalx+ln(x+1)=0, 0<and equal to x <and equal to 3
1. 1 answer
2. asked by elley
3. 818 views
What is the theoretical yield in grams of the precipitate starting with 1.250 moles of iron ions (charge is +3) and 60.00 grams
1. 1 answer
2. asked by matt
3. 782 views
find the x-coordinate of the point P on the parabola y=1-x^2 for 0<x<1 where the triangle that is enclosed by the tangent line
1. 1 answer
2. asked by Ivan
3. 775 views
What is the electron configuration for Be 2+ ions?1) 1 3) 2-1 2)2 4) 2-2 I also need an explanation for the correct and
1. 1 answer
2. asked by Roger
3. 771 views
I've been trying to do this problem but I would get confused and stuck..Consider a sample of a hydrocarbon at 0.959 atm and 298
1. 0 answers
2. asked by J
3. 749 views
sorry for asking for help agen.a baseball catcher puts on an exhibition by catching a .150kg ball dropped from a helicopter at a
1. 2 answers
2. asked by joyce
3. 747 views
Bacteria Y has a mutation within it’s genome, at gene R, that provides resistance to neomycin. Bacteria Z is sensitive to
1. 1 answer
2. asked by bebe
3. 741 views
Ms. Davis asked her students to draw a picture describing their hobby, She asked them to use only 3 colors. Patrick has a box of
1. 1 answer
2. asked by chase
3. 724 views
find tge mean, meadian, mode, and range for the set of numbers {76, 37, 56, 53, 46, 37, 63, 67, 36, 46, 55, 66}.a) mean= b)
1. 1 answer
2. asked by chase
3. 711 views
Which is not correct?glucose is a reducing sugar glucose has six carbon atoms glucose undergoes mutarotation glucose is a
1. 1 answer
2. asked by Jake
3. 702 views
In triangle ABC, D is the centroid and M is the midpoint of segment AC. If BD=x+9 and DM=6, find MB.
1. 1 answer
2. asked by hannah
3. 701 views
For a class of 43 students, for a certain test, the mean grade is 67 and the standard deviation is 7.a) how many students should
1. 2 answers
2. asked by chase
3. 683 views
How did the slave trade affect the eastern shore? Also where can I find information about the Slave Trade on Maryland's Eastern
1. 4 answers
2. asked by Johnny
3. 677 views
Has anyone taken Axia's HCA 270? Need help on Checkpoint: Ration Analysis.
1. 4 answers
2. asked by ERICKA
3. 673 views
a block is held 1.3m above a spring and is dropped.The spring compresses 6cm before sending the ball into the air. How fast is
1. 1 answer
2. asked by jeff
3. 668 views
I have just one math problem that I need a little help with. Please give me the answer, and walk me through it, too, to help me
1. 1 answer
2. asked by Celina
3. 664 views
ok,judy lies on the ground 45 feet from her tent. both the top of the tent and the top of the cliffare in her line of sight. her
1. 1 answer
2. asked by Quintasia
3. 657 views
A right triangle has two legs and a hypotenuse. One leg of the triangle is 3 feet longer than the other leg. The hypotenuse is
1. 1 answer
2. asked by jennifer
3. 639 views
The text states that the most significant contributionpositive psychology makes to the scientific study of well-being is the
1. 1 answer
2. asked by LaTonia
3. 635 views
Find the slope of the tangent to the curve at the point specified.x^3+5x^2y+2y^2=4y+11 at (1,2) So far I simplified it to
1. 1 answer
2. asked by George
3. 630 views
Describe an application for the use of ratios or proportions that is not mentioned in your text, or describe how an application
1. 1 answer
2. asked by scooby91320002
3. 623 views
use the rule that sayslimit of (e^h - 1)/h = 1 as h approaches 0 to show that the limit of [ln(x+h)-lnx]/h as h approaches 0 =
1. 0 answers
2. asked by Kristen
3. 623 views
A corner lot that originally was square lost 185 m of area when one of the adjacent streets was widened by 3 m and the other was
1. 0 answers
2. asked by Tina M.
3. 622 views
1. Write down the name of the building with a question mark.2.Write down the name of the building marked with a question mark.
1. 1 answer
2. asked by John
3. 618 views
The vertices of triangle ABC are A(2,2), B(3,-1) and C(0,1). Find the coordinates of the circumcenter. Answer
1. 1 answer
2. asked by hannah
3. 608 views
a trucker handed in a ticket at the toll booth showing that in 2hours she had covered 159 mi on a toll road with speed limit
1. 1 answer
2. asked by dt
3. 607 views
In acute triangle ABC, segment AD is an altitude, the measure of angle ADB=2x^2+40, BD=9x-3, and DC=6x+15. Find BC.
1. 2 answers
2. asked by Hannah
3. 607 views
Graph the equation using the slope and the y-intercept.y=9/5x+5 I NEED HELP PLEASE THERE DO I START
1. 3 answers
2. asked by PJ
3. 607 views
Antonio said, "To solve 506-288, I can think of 5 hundreds as 50 tens." How might this help him subtract?
1. 1 answer
2. asked by Anonymous
3. 605 views
CAN SOMEONE TELL ME HOW MATERIAL AND CONVERSION IS BROKEN UP IN THIS PROBLEM thanks so muchPROBLEM 1 Estrella Company, a company
1. 0 answers
2. asked by amy
3. 586 views
In 1993, the life expectancy of males in a certain country was 62.1 years. In 1997, it was 65.8 years. Let E represent the life
1. 1 answer
2. asked by PJ
3. 581 views
Can someone help me with this questionIdentify leaders of the Civil Rights and Black Power movements and their contributions to
1. 2 answers
2. asked by jscott1
3. 579 views
I'm studying for a quiz on infinite series and convergence/divergence tests. I keep getting confused between the variables "k"
1. 1 answer
2. asked by Corianne
3. 574 views
a lader is leaning against a jouse and is forming a 60 degree angle with the ground.if the top of the ladder is 24 feet off of
1. 1 answer
2. asked by hannah
3. 572 views
design a model with methods and procedures for analyzing diversity and how you would implement the results in a cultural
1. 1 answer
2. asked by charlotte
3. 570 views
How do I find McDonald's total profit for 2002? I am in Basic Mathematics at Axia on line. Can anyone please help me with this
1. 4 answers
2. asked by MAT 115
3. 569 views
We need assistance solving3 + 2(k+1) = 6 + 3k I know the 2(k+1) has to become 2k + 2 then we have 3 + 2k + 2 = 6 + 3k then we
1. 18 answers
2. asked by William
3. 565 views
2 pagesDetails: Your comments to the editor of your favorite magazine intrigued her enough to call you and request that you
1. 1 answer
2. asked by donna
3. 555 views
Can tea bags be bad for you in any way if you drink tea with them too much?thanks-MC
1. 4 answers
2. asked by mysterychicken
3. 554 views
Find the (a) the local extrema, (b) the intervals on which the function is increasing, (c) the interval on which the function is
1. 1 answer
2. asked by pipi
3. 552 views
Why did Rhode Island not participate in the Constitutional Convention?
1. 1 answer
2. asked by Andrea
3. 550 views
srry if i am asking to many questions today this is my last thing plse help mehow do you do problems like this find the slop and
1. 1 answer
2. asked by Amy
3. 550 views
who can give me more info about the ancient messopotamian's government housing program for my shool essay?
1. 2 answers
2. asked by Yoyo
3. 545 views
Triangle NQP is an equilateral triangle with the measure of angle N=5x-2y and the measure of angle P=x+2y. Find the values of x
1. 2 answers
2. asked by Hannah
3. 540 views
Design a program that models the worm’s behavior in the following scenario:
1. 1 answer
2. asked by Anonymous
3. 530 views
plse refresh me on what a thesis statement is plse and thx you i just want to get it right
1. 2 answers
2. asked by Amy
3. 524 views
Pat can design a website in 20 hours. His friend can design the same site in 30 hours. How long will it take to design the
1. 2 answers
2. asked by jennifer
3. 523 views
How does point of view affect a story?
1. 2 answers
2. asked by Emma Leigh
3. 514 views
a) the cash payments journal used in this problem has only 3 special amount columns. Under what circumstances would you
1. 0 answers
2. asked by jerson
3. 513 views
Equation:RCF=NCF/(1+Pi)^t Can somebody show me how to rearrange the equation to solve for Pi.
1. 1 answer
2. asked by Tom
3. 512 views
a-D-glucose and b-d-glucose can best be described as?-diasteromers -constitutional isomers -different conformations -enantiomers
1. 0 answers
2. asked by Jake
3. 504 views
If Katrina leaves now and drives 66km/h, she will reach Alton just in time for her appointment. On the other hand, if she has
1. 1 answer
2. asked by Logan
3. 500 views
How do you write an equation in standard form?Ex.How would you write this in standard form? y+1=x+2
1. 2 answers
2. asked by Samantha
3. 491 views
f(x)= x, 0<and equal to x<1= 0, x=1 is zero at x=0 and at x=1. it derivative is equal to 1 at every point between 0 and 1, so f'
1. 0 answers
2. asked by elley
3. 472 views
What is the height of the Washington Monoment in 1882?
1. 1 answer
2. asked by Casrniesha
3. 471 views
I don't have a formula for this question:Purchasing Power= 1280.08 (Nov.1/07) Purchasing Power= 1000.00 (Nov.1/97) What is the
1. 0 answers
2. asked by Barry
3. 469 views
Engineers and physicists are fond of using the approximation Square root (1+x) = 1+(x/2)?What approximation do you suppose the
1. 1 answer
2. asked by Paul
3. 464 views
second grader. Please help me with examples of things I can investigate using the scientific method for my homework project.
1. 1 answer
2. asked by katrina
3. 462 views
The makers of Crinkle Crackers had a special offer: "collect 8 labels and get 1 bag free." Jim asked his friends for their
1. 1 answer
2. asked by Paige/Colton
3. 459 views
Which end of a phospholipid is attracted to water?
1. 1 answer
2. asked by alexia
3. 457 views
a box whose mass is 0.3 kg is pushed against a spring(k=40n/m) on a horizontal surface and the spring is compressed 0.12m. The
1. 0 answers
2. asked by jeff
3. 450 views
How were the various countries of the world affected economically by WWII? Who came out ahead? Which countries suffered
1. 1 answer
2. asked by Candy
3. 431 views
If i place a clear glass of water on the kitchen table what else would i have to do to illustrate how light gets refracted
1. 1 answer
2. asked by mari
3. 426 views
Triangle PQR is a 30-60-90 triangle with right angle Q and segment PQ as the longer leg. Find the possible coordinates of R if
1. 0 answers
2. asked by Emma
3. 426 views
what are the basic forms of speech communication?
1. 1 answer
2. asked by Anonymous
3. 424 views
The interest rate on a second mortgage was % last year. This year the interest rate is %. How many percentage points has the
1. 1 answer
2. asked by Anonymous
3. 422 views
what is vimy ridge's significance to canada?
1. 0 answers
2. asked by janette
3. 420 views
What are organizing procedures and resources in a classroom?
1. 3 answers
2. asked by sally
3. 413 views
Please help me!!! I need to create an expieriment but I need to find a way to measure the amount of co2 in an enclosed small
1. 2 answers
2. asked by Stephanie
3. 408 views

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