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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
4 answers
asked by
Joanne
10,794 views
Three identical thin rods, each of length L and mass m, are welded perpendicular to one another as shown below. The assembly is
3 answers
asked by
sara
5,420 views
Hi everyone, I'm having problems with effective nuclear charge. Regarding these problems.
Calculate Zeff for a valence electron
3 answers
asked by
Vinny
5,321 views
The distinction between mass and weight was discovered after Jean Richer transported pendulum clocks from Paris to French Guiana
1 answer
asked by
henry
2,226 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 answer
asked by
songyi
1,799 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?
2 answers
asked by
George
1,776 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 answer
asked by
Komal
1,691 views
on the moon, the acceleration due to gravity is 1.6m/sec^2
a. if a rock is dropped into a crevasse, how fast will it be going
1 answer
asked by
ET
1,669 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
4 answers
asked by
ee
1,584 views
where do I find goodbye to the moon story ?
4 answers
asked by
landon
1,416 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
2 answers
asked by
George
1,356 views
it says the knights banquet hall uses the equation 25n-c+1250=0 determine the cost for a hall rental
the legions banguet hall
1 answer
asked by
Laura
1,335 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 answer
asked by
PJ
1,269 views
THIS IS THE ASSINGMENT CAN ANYONE HELP
4. CheckPoint: Terrestrial Resource Plan •Resources: Ch. 12-16 of Visualizing
17 answers
asked by
angela
1,216 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;
0 answers
asked by
matt
1,155 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 answer
asked by
Sue
1,130 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 answer
asked by
i love polka
1,084 views
Bacteria Y has a mutation within it’s genome, at gene R, that provides resistance to neomycin. Bacteria Z is sensitive to
2 answers
asked by
bebe
1,067 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
2 answers
asked by
tom
1,052 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
2 answers
asked by
Kate
1,048 views
Identify leaders of the Civil Rights and Black Power movements and their contributions to their respective causes. How did these
1 answer
asked by
LILSISTER
1,024 views
sentence for prerogative
sentence for provincial please make one up . =)
4 answers
asked by
melissa
1,001 views
is the force of gravity stronger on a piece of iron than on a piece of wood, if both have the same mass?
2 answers
asked by
Lee
996 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
4 answers
asked by
gaby
990 views
An object starts sliding up a plane tilted at an angle of alpha = 5.0◦ to
the horizontal. The object’s initial speed is v =
1 answer
asked by
Sandhya
990 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 answer
asked by
Nancy
989 views
Give example of two non-zero matrices A and B such that A^2=0, B^2=0 but
AxB and BxA do not equal zero.
0 answers
asked by
Amanda
968 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
3 answers
asked by
asia
963 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
2 answers
asked by
tomi
944 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 answer
asked by
Emma
933 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 answer
asked by
Dono
848 views
show that the solution has exactly one solution in the interval
x+ln(x+1)=0, 0<and equal to x <and equal to 3
1 answer
asked by
elley
842 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 answer
asked by
matt
802 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 answer
asked by
Ivan
797 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 answer
asked by
Roger
788 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
0 answers
asked by
J
780 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
2 answers
asked by
joyce
778 views
Bacteria Y has a mutation within it’s genome, at gene R, that provides resistance to neomycin. Bacteria Z is sensitive to
1 answer
asked by
bebe
764 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 answer
asked by
chase
756 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 answer
asked by
chase
737 views
Which is not correct?
glucose is a reducing sugar glucose has six carbon atoms glucose undergoes mutarotation glucose is a
1 answer
asked by
Jake
736 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 answer
asked by
hannah
730 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
2 answers
asked by
chase
720 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 answer
asked by
Celina
701 views
How did the slave trade affect the eastern shore? Also where can I find information about the Slave Trade on Maryland's Eastern
4 answers
asked by
Johnny
701 views
Has anyone taken Axia's HCA 270? Need help on Checkpoint: Ration Analysis.
4 answers
asked by
ERICKA
697 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 answer
asked by
jeff
696 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 answer
asked by
Quintasia
676 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 answer
asked by
jennifer
669 views
The text states that the most significant contribution
positive psychology makes to the scientific study of well-being is the
1 answer
asked by
LaTonia
662 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 answer
asked by
George
650 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
0 answers
asked by
Tina M.
646 views
use the rule that says
limit 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 =
0 answers
asked by
Kristen
645 views
Describe an application for the use of ratios or proportions that is not mentioned in your text, or describe how an application
1 answer
asked by
scooby91320002
644 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 answer
asked by
John
640 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 answer
asked by
dt
636 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 answer
asked by
hannah
635 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.
2 answers
asked by
Hannah
633 views
Antonio said, "To solve 506-288, I can think of 5 hundreds as 50 tens." How might this help him subtract?
1 answer
asked by
Anonymous
625 views
Graph the equation using the slope and the y-intercept.
y=9/5x+5 I NEED HELP PLEASE THERE DO I START
3 answers
asked by
PJ
625 views
Can someone help me with this question
Identify leaders of the Civil Rights and Black Power movements and their contributions to
2 answers
asked by
jscott1
618 views
CAN SOMEONE TELL ME HOW MATERIAL AND CONVERSION IS BROKEN UP IN THIS PROBLEM thanks so much
PROBLEM 1 Estrella Company, a company
0 answers
asked by
amy
616 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 answer
asked by
PJ
610 views
I'm studying for a quiz on infinite series and convergence/divergence tests. I keep getting confused between the variables "k"
1 answer
asked by
Corianne
605 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
4 answers
asked by
MAT 115
601 views
design a model with methods and procedures for analyzing diversity and how you would implement the results in a cultural
1 answer
asked by
charlotte
599 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 answer
asked by
hannah
596 views
We need assistance solving
3 + 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
18 answers
asked by
William
589 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 answer
asked by
pipi
585 views
2 pages
Details: Your comments to the editor of your favorite magazine intrigued her enough to call you and request that you
1 answer
asked by
donna
582 views
srry if i am asking to many questions today this is my last thing plse help me
how do you do problems like this find the slop and
1 answer
asked by
Amy
573 views
Can tea bags be bad for you in any way if you drink tea with them too much?
thanks-MC
4 answers
asked by
mysterychicken
573 views
Why did Rhode Island not participate in the Constitutional Convention?
1 answer
asked by
Andrea
571 views
who can give me more info about the ancient messopotamian's government housing program for my shool essay?
2 answers
asked by
Yoyo
567 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
2 answers
asked by
Hannah
559 views
Design a program that models the worm’s behavior in the following scenario:
1 answer
asked by
Anonymous
556 views
plse refresh me on what a thesis statement is plse and thx you i just want to get it right
2 answers
asked by
Amy
554 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
2 answers
asked by
jennifer
548 views
a) the cash payments journal used in this problem has only 3 special amount columns. Under what circumstances would you
0 answers
asked by
jerson
540 views
Equation:
RCF=NCF/(1+Pi)^t Can somebody show me how to rearrange the equation to solve for Pi.
1 answer
asked by
Tom
536 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 answer
asked by
Logan
533 views
How does point of view affect a story?
2 answers
asked by
Emma Leigh
530 views
a-D-glucose and b-d-glucose can best be described as?
-diasteromers -constitutional isomers -different conformations -enantiomers
0 answers
asked by
Jake
524 views
How do you write an equation in standard form?
Ex.How would you write this in standard form? y+1=x+2
2 answers
asked by
Samantha
508 views
What is the height of the Washington Monoment in 1882?
1 answer
asked by
Casrniesha
498 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'
0 answers
asked by
elley
494 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
0 answers
asked by
Barry
494 views
Engineers and physicists are fond of using the approximation Square root (1+x) = 1+(x/2)?
What approximation do you suppose the
1 answer
asked by
Paul
491 views
second grader. Please help me with examples of things I can investigate using the scientific method for my homework project.
1 answer
asked by
katrina
489 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 answer
asked by
Paige/Colton
482 views
Which end of a phospholipid is attracted to water?
1 answer
asked by
alexia
473 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
0 answers
asked by
jeff
471 views
How were the various countries of the world affected economically by WWII? Who came out ahead? Which countries suffered
1 answer
asked by
Candy
451 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 answer
asked by
mari
450 views
what is vimy ridge's significance to canada?
0 answers
asked by
janette
446 views
what are the basic forms of speech communication?
1 answer
asked by
Anonymous
443 views
The interest rate on a second mortgage was % last year. This year the interest rate is %. How many percentage points has the
1 answer
asked by
Anonymous
442 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
0 answers
asked by
Emma
438 views
What are organizing procedures and resources in a classroom?
3 answers
asked by
sally
431 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
2 answers
asked by
Stephanie
428 views
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