Tuesday
September 16, 2014

Posts by lexie


Total # Posts: 48

chemistry
Block A of an unknown metal has a volume of 125 cm3. Block B of a different metal has a volume of 145 cm3. If block A has a greater mass than block B, what can be said of the relative densities of the two metals? (Assume that both blocks are solid.)
September 1, 2014

Math
Lynn was shopping and found a purse that was marked with a discount of "1/3" off. If the original cost of the purse was $80, how much will Lynn pay?
July 28, 2014

College Algebra
Find the present value of $100,000 if interest is paid at a rate of 8% per year, compounded monthly, for 5 years.
February 20, 2014

math
Why do the cow hate the farmer?
January 13, 2014

Health (10th Grade)
So, it would be C then?
October 28, 2013

Health (10th Grade)
What is one role fats play in keeping your body healthy? A. maintaining healthy skin and nails B. aiding muscle growth C. removing waste D.lubricating joints I believe it's C, but I'm not quite sure. I'm a cyber school student and I can't seem to find the ...
October 28, 2013

math
The point A (7, 6) is reflected about the line x = 3, then about the line x = k. The final image is A”(5, 6). What is the value of k?
May 30, 2013

4th grade math
Hi! This question says Joe is thinking of o function machine.He says that the output is 12 if the input is 4.what are 2 rules that he could be thinking of for his function machine?( I would really be grateful if you helped me) ;)thanks
May 14, 2013

Physics
Five forces act on an object. (1) 63 N at 90° (2) 40 N at 0° (3) 83 N at 270° (4) 40 N at 180° (5) 50 N at 60° What are the magnitude and direction of a sixth force that would produce equilibrium?
December 15, 2012

World Cultures
The Greek armies had retreated due to alex the Great aiding in the defeat of the Mauryan.
December 8, 2012

Statistics
According to insurance records a car with a certain protection system will be recovered 90% of the time. Find the probability that 5 of 6 stolen cars will be recovered.
November 20, 2012

Math
What nominal annual rate of interest compounded yearly is required to double an investment in 13 years?
November 10, 2012

GVCS
how do u find the standard numeral for 9.3x10^-4
March 16, 2011

Chemistry
how would you sent up aluminum carbonate --> aluminum oxide + carbon dioxide. im guessing AlCo3 --> AlO3+Co2 but i dont think thats right
November 16, 2010

Chemistry
Write skeleton equations for these reactions. a. butane(l) + oxygen (g) --> carbon dioxide(g) + water(l). b. aluminum carbonate(s)--> aluminum oxide(s) + carbon dioxide(g) c. silver nitrate(aq) + sodium sulfide(aq) --> silver sulfide(s) + sodium nitrate(aq) d. iron(s...
November 16, 2010

Chemistry
okay im getting closer(: so would nicket(II) oxide be NiO2 and dichlrine pentoxide be Cl2O5
November 16, 2010

Chemistry
okay im sure i can get one right soon. now if it has a polyatomic in the equation like Tin(IV) nitrate would it be SnNO3? and if it produces iron(III)nitrate would it be Fe(NO3)3
November 16, 2010

Chemistry
sorry but i want to make sure im doing this right. for lithium+gold(III chloride-->lithium chloride+gold would it be Li+AuCl2-->LiCl2+Au?
November 16, 2010

Chemistry
okay now i get it. thanks so much
November 16, 2010

Chemistry
So the reactants dont need the charge number only the products but for letter c. what do you do when you have two elements would it be FeO3?
November 16, 2010

Chemistry
okay. if i was balancing it though would it be H2+ I2-->2HI? and for the second one to see if im doing this right: Al3+I2--> AlI3?
November 16, 2010

Chemistry
So the first one would be: H2+I--> HI2?
November 16, 2010

Chemistry
how do you do it? like how do i write it like not in word but like with the symbols
November 16, 2010

physics
If you're in a smooth-riding bus that is going at 50 km/h and you flip a coin vertically, what is the horizontal velocity of the coin in midair?
August 14, 2010

Spanish
My answers were incorrect. These were the instructions. Choose the correct form of the following verbs in the pretérito perfecto: Ayer _______ toda la tarde (all afternoon). My answer neivo. Anoche María y yo _______ una mila (mile) My answer corrieron. Mi jefe ...
June 9, 2010

Algebra
I got 3 and -2. But to check it, wouldn't you substitue it the 3 and then the -2 in the original equation and it should be 0=0?
April 22, 2010

Algebra
Solve the quadratic equation. 3x^2-15x+18=0 I know that the formula to quadratic equation is x=-b+and-(square root)b^2-4ac divided by 2a. I know that a=3, b=-15 and c=18, then subsitute in and get two answers, my problem is that I keep getting an answer that does not work ...
April 22, 2010

Chemistry
In order to raise the temperature of 5.0 Kg of water from 20 deg. C to 30 deg. C, a 2.0 kg iron bar is heated and then dropped into the water. What should the starting temperature of the bar be? (Specific heat Fe is 0.22 cal/g-deg.)
February 23, 2010

physical science
If the larger boulder has a mass of 50 kg and a height of 150 m from the ground what is its GPE?
December 7, 2009

physical science
If the larger boulder has a mass of 50 kg and a height of 150 m from the ground what is its GPE?
December 7, 2009

physics
A has greater PE?
December 7, 2009

physics
A large boulder sits at the top edge of a cliff, this is boulder A. A smaller boulder sits on a ledge half way down the same cliff, this is boulder B. Which boulder has the greatest potential energy, A or B?
December 7, 2009

Math
i have th exact same problem!
November 17, 2009

7th grade language arts
What are some introduction techniques for writing a persuasive letter?
October 25, 2009

Making a handmade computer, printer, mouse and tow
Just wandering if you had any good ideas how to create these items? They said that we could make it out of anything....styrofoam..cardboard...you have to be creative and decorate to your own style...?? Please HELP !!!! THANKS!!!! LEXIE
October 1, 2009

Algebra 2
Find all the values of j such that the quadratic equation 5x^2+x+4j=0 has no real solutions. Write your answer as an equality or inequality in terms of j.
August 16, 2009

Science
What type of reasoning occurs when bits of specific information are gathered together in order to make a generalization? deductive inductive demonstrative productive im not sure...my teacher just gives us the worksheet and leaves to the lounge
February 17, 2009

language arts
It's a panda planet keep them here. This is part of a poem! Please tell me if there is a coma after the word planet. Thank you so much for the help.
November 14, 2008

6th grade
using all the beads
November 5, 2008

6th grade
how many different bracelets can be made from 7 white beads and 2 grey ones//?
November 5, 2008

math
how many different bracelets from 7 white beads and 2 gray ones.
November 5, 2008

science
what kind of animal cells may have alot of mitochondria present?
November 2, 2008

science
what kinds of animal cells might have alot of mitochondria present?
November 2, 2008

Algebra
what are the tho digit perfect squares? i am really confused! please help
September 16, 2008

Statistics
Help me understand this problem, I have several more like this & want to get an understanding on to solve it: The mean score,x, on an aptitude test for a random sample of 9 students was 64. Assuming that standard deviation=16, construct a 95.44% confidence interval for the ...
September 13, 2008

math
12-4.8= show work
September 5, 2008

triangle
1,600x8= what on a math triangle i cant get it
March 11, 2008

history
The Georgian style was used when America was being controlled by Great Britain. Jefferson wanted to emphasize their independence and freedom by creating non-British buildings.
October 22, 2006

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