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May 31, 2016

Posts by a

Total # Posts: 844

math
Evaluate: sec4ð/3
March 17, 2010

chemistry
8.3m KBr with a density of 1.22g/mL
February 28, 2010

math
someones trying to find the answer to the weekly challenge... I was hoping someone had provided the answer :)
February 23, 2010

AP Chemistry
The metal and water come to the same temperature at 32.5 degrees cesius how do you do this part
February 15, 2010

O Chem
whats the mech for this: (E)-2,5-dimethyl-hex-3-ene and bromine
February 4, 2010

O Chem
List other oxidizing reagents that could be used to convert the 9-fluorenol to 9- fluorenone
February 4, 2010

algebra
-6x>1/13
January 24, 2010

algebra
here is a tough one for me simplify -6[93-(-95-18)]= help please
January 24, 2010

algebra
solve by the elimination method 3x+4y=3 6x+8y=6 help please
January 24, 2010

algebra
lol i never looked at it that way ty
January 24, 2010

algebra
is 7 less than or greater than -12
January 24, 2010

math
I am a mom and I can't remember how to do this... 3 and 2 over 9 minus 1 and 1 over 3 equals p minus 5 and 1 over 2?? ahhhh help me help my daughter please.
January 18, 2010

algebra
Im not good at algebra so i dont know what to do?
January 17, 2010

algebra
ok heres another i dont get 3/4 (3x-1/2)-2/3<1/3
January 17, 2010

algebra
41-(2x+4) <2(x+1)+x the < has a line under it i didt know how to do that on here so help me please
January 17, 2010

chemistry
What volume of a 2.90 M KI stock solution would you use to make 0.425 L of a 1.25 M KI solution?
January 14, 2010

chemistry
A liter of 8 M NaOH solution contains how many grams of NaOH?
January 14, 2010

Chem
If 0.333 g Al is reacted with .501 g I2 according to the balanced chemical reaction: 2Al + 3I2 2AlI3 a) what is the limiting reagent b) how much excess reagent left over?
January 10, 2010

Chem Very Urgent
don't round the answers so early, and you will see that one of them is the limiting reactant
January 8, 2010

algebra
find the slope and the y-intercept of the line. write fractional answer in the lowest terms. 4y+9x+3=11+9x the slope is? the y-intercept is (0,? help im not to good at algebra
December 20, 2009

biology
what is the difference between a cyclin and a growth factor? thanks
December 6, 2009

AP Chemistry
I is 1. This is a covalent molecule
November 23, 2009

chem
Determine the number of moles of MgO that form from the reaction of 4.4 moles of O2 in the following unbalanced reaction: Mg(s) + O2(g) → MgO(s)
November 17, 2009

chemistry
How many milliliters of dirt are there in a hole that has a volume of 51 liter? How many mL of air
November 11, 2009

Physic
I= I0*10^(L(i)/10) so.. I(stage)= 10^-12*10^(110dB/10)=.1 I(2)/I(1)=r(1)^2/r(2)^2 I(2)/.1=1^2/30^2, I(2)=.1/(30^2)=1.04*10^-4 W/m^2 Area of the ear= piD^2/4= 3.14* .0084^2/4=55.4e-9m^2 P=I*A= 1.04e-4*55.4e-9= 6.16e-9 E=P*t = 6.16e-9*1= 6.16e-9
November 7, 2009

math
teehee
November 5, 2009

algebra
help
November 1, 2009

algebra
simplfy 7[-93-(98-32)]= help
November 1, 2009

algebra
is (8,9) the solution of 2x+4y=6
November 1, 2009

algebra
2x+3y=1 4x+6y=2 is there a order pair here or is there no solution
November 1, 2009

physics
a) f=-kx f=>11.6*(-9.8)=-399.0x solve for x x=0.285m
November 1, 2009

physics
A roller coaster ride includes a circular loop with radius R = 13.1 m. What minimum speed must the car have at the top to stay in contact with the tracks? Which equation is used here? I'm using a = v^2 / r and taking a = 9.8
October 25, 2009

History
why did the french and spanish start fighting
October 22, 2009

biology
what is the powerhouse of a cell & site of ATP production? what supports the shape of the entire cell what is involved in muscle contraction in larger organisms
October 19, 2009

government
Post a caricature of a politician and what was stretched of the person. Why were those features chosen?
October 17, 2009

Physics
Let D1 = distance of the fence post from where the turtle started D2 = distance of the fence post to the pine tree = 10 m (given) Working formula is (V2)^2 - (V1)^2 = 2a(D2) where V2 = velocity upon passing the pine tree = 1.2 m/sec. V1 = velocity upon passing the fence post a...
October 11, 2009

algebra
9x^2-43x-10=0 solve by factoring
October 4, 2009

11th grade u.s. history
can i ask one more question srry um do you know a political cartoon that goes with the 12th amendment and what does he mean how does one go about amending the constitution lol srry thats 2
September 28, 2009

11th grade u.s. history
Thank you so much i think i have everything your the awesomest person right now
September 28, 2009

11th grade u.s. history
The examples are the 1796 and 1800 election
September 28, 2009

11th grade u.s. history
So basically the 12th amendment is necessary cause it helps select both president and vice president So does it protect the 20th amendment or am i like way off
September 28, 2009

11th grade u.s. history
Im doing a project on the 12th amendment but im having a hard time finding the questions ive been working this for like well dis will be my 5th day working on it im not good at finding stuff on the internet anyway i have to find out why was the 12th amendment necessary,what ...
September 28, 2009

Spanish
some miles ingleseas and cuardradas of heirba luxurious And... This is a festival of diversion; therefore they come and they participate in the diversion. Thanks! this is what i got
September 28, 2009

Grade 8 math urgent
1/12
September 25, 2009

math
$900?
September 16, 2009

math
An A-frame cabin has a triangular front with a base of 30 ft and a height of 20 ft. If the front is to be glass that costs $3 per square foot, what will the glass cost? $1,800?
September 16, 2009

math
$23.55? or would i take the 2.5^2 and multiply it getting 5 then multiply that by 3.14 which is 15.7 multiplied by 3 equals 47.10
September 16, 2009

math
A circular coffee table has a diameter of 5 ft. What will it cost to have the top refinished if the company charges $3 per square foot for the refinishing? $15.00?
September 16, 2009

math
23.55?
September 16, 2009

math
its a circle with a dot in the middle and one line from the middle to the outside and inside the circle it says 3.75
September 16, 2009

math
Find the circumference of each figure. Use 3.14 for p and round your answer to one decimal place. i have a circle that is 3.75ft A~23.6 or 24?
September 16, 2009

math
67.28?
September 16, 2009

math
Add thirty-eight and nine tenths, five and fifty-eight hundredths, seven, and fifteen and eight tenths. A~1662?
September 16, 2009

science
How can you tell if something is alive?
September 15, 2009

Geology
thank u ms. sue!
September 11, 2009

Geology
thank you very much..... this is how i explained the process of the boiling water which is basiclly a easy version of Convection inside Earth drives the lithospheric plates on the surface. what do you think? As you have seen in the hot water animation the hottest water is at ...
September 11, 2009

Geology
as for the two figuers i wrote: A meteorologist named Alfred Wegener began to tell the world in 1912 about a hypothesis he called continental drift. According to this theory all continents began as one super continent he called “Pangaea”. His hypothesis explained and...
September 11, 2009

Geology
this is what my taecher wants...... 1. Discuss two historical individuals that contributed to the theory of plate tectonics. 2. Discuss how the boiling pot of water animation is a small scale model of the convection that takes place under the Earth's crust - need some good...
September 11, 2009

Geology
Respond to the following scenario: o Your younger brother is in 5th grade. He comes home and tells you to look at an animation his teacher showed him in geology class. o Review the Continents of the Past animation on this week¡¦s aXcess page. o After viewing the ...
September 11, 2009

math
Find the least common denominator (LCD) for fractions with the given denominators 13/15 - 11/20=2/5?
September 11, 2009

math
i thought i was adding...i do not understand what u are saying about 60? above the fractions i wrote this is what it says... Find the least common denominator (LCD) for fractions with the given denominators not the multiply..sorry
September 11, 2009

math
1/3+5/12+4/5=10/20 the least common multiply is 2/4?
September 11, 2009

math
how would i find the least common multiply of 12,20,35? i had 2 till i divided it by 25 and it did not work
September 11, 2009

geometry
i have a triangle and i have to find the primeter....here are the measurements...3/8...3/8..3/8 on each side. 3/8+3/8+3/8=9/8?
September 11, 2009

math
13/18 + 11/18 then write all answers in the lowest terms? A-3/2?
September 11, 2009

Math 115
1 1/8?
September 11, 2009

Math 115
9/11 - 3/11 + 7/11= 1/11? write in lowest terms
September 11, 2009

Math 115
13/18 + 11/18 then write all answers in the lowest terms? A-8/9?
September 11, 2009

MATH
Complete the statement using the given property. 6 x (4 x 7) = Associative property of multiplication then the answer would be (6x4)x7=168?
September 5, 2009

MATH
What is 7/8 of10/14 Answer 5/8 ?
September 5, 2009

MATH
72/8-9/3=6?
September 5, 2009

MATH
Complete the statement using the given property. 6 x (4 x 7) = Associative property of multiplication then the answer would be (6x4)x7=168?
September 5, 2009

MATH
just wanted to check a few more questions... 1. Find the prime factorization of the number 20. Answer- 2x2x5 2. Find the greatest common factor of 30, 45, and 50. Answer -5 3. Complete the statement using the given property. 6 x (4 x 7) = Associative property of multiplication...
September 5, 2009

MATH
Estimate the result in the following division problem. (Remember to round divisors to the nearest ten and dividends to the nearest hundred.) 612 divided by 32 Answer being 19?
September 5, 2009

MATH
just want to check my work on a few things.... 1. Tile for a kitchen counter will cost $8 per square foot to install. If the counter measures 14 ft by 3 ft, what will the tile cost? Answer-336 2. Estimate the result in the following division problem. (Remember to round ...
September 5, 2009

MATH
Complete the statement. 7,000,000 ps = __________ us
September 5, 2009

MATH
i WANTED TO CHECK MY WORK THE QUESTION IS DIVIDE 4 1/5 BY 14 AND WRITE ITS SIMPLLET FORM...I THOUGHT THE ANSWER WAS 58 4/5
September 5, 2009

math
513/561?
September 5, 2009

MATH
find the reciprocal of 17/20? How would i work this problem?
September 5, 2009

MATH
the length of a rectangle is 7/8yd, and its with is 32/49yd what is its areain square yards?
September 5, 2009

Physics
A car travels east at 82 km/h for 1.5 h. It then travels 30.0° east of north at 113 km/h for 1.6 h. What is the average velocity for the trip? (Magnitude and Direction)
August 28, 2009

algebra
Yes
July 17, 2009

economics
no
June 17, 2009

AP EURO
A
May 3, 2009

ks3 history
when did the british slave trade end? was it 1807 march 25th thanks
May 3, 2009

chem
asd23
April 22, 2009

Chemistry
In a gaseous system at equilibrium with its surroundings, as molecules of A(g) collide with molecules of B(g) without reacting, the total energy of the gaseious system 1. decreases 2. increases 3. remains the same
April 13, 2009

Chemistry
_Mg(C103)2(s) -> _MgCl2(s)+_02(g) What is the coefficient of 02 when the equation is balanced correctly using the smallest whole-number coefficients?
April 13, 2009

Plz -- Chem Help
Posted by Rushi on Sunday, March 15, 2009 at 3:35pm. Question.. Nicotinic acid (niacin) is a monoprotic acid with the formula HC6H4NO2. A solution that is 0.012M in the nicotinic acid has a pH of 3.39 at 25C. what is the acid-ionization constant, Ka and pKa for this acid at ...
March 18, 2009

math
there are 4 cows and 8 ducks because if you - 32-24=8 and 8 divided by 2 = 4 cows so my answer is 4 cows and 8 ducks
March 16, 2009

Science
My friend said you just say what the particles are like if they are tight together like solid or far apart like gas
March 8, 2009

Business
What is market size? How to calculate it? Thanks!
February 8, 2009

CHemistry...Please help
3 2 4 1
January 19, 2009

Social Studies 2
Where are 2 district courts located in MI
November 25, 2008

Social Studies
how long does a lawyer have to present his case to the supreme court
November 25, 2008

English
"the company is expected to incur high cost if they hope to increase ..." i was told that there is verb tense problem in "is" and "if they", how can i change this sentence to make it correct?
November 20, 2008

Research Project on Computer Confidentiality
which articles are you clicking on once you get to this site to find the correct information
November 12, 2008

Research Project on Computer Confidentiality
I have a research paper where I need to write a paragraph answering each question. The instructions are to go to the American Medical Assocation's web site at ama-assn and use the search button on the upper right to look for ethical opinions oncomputer confidentiality. ...
November 12, 2008

Plane shapes in different positions
Use plane shapes to finish the puzzle, use the same color to color the shapes that ate alike. -- Some of the shapes are not alike, so do that get colored different colors?
October 28, 2008

chemistry
answer is 2.63
October 9, 2008

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