Friday
December 9, 2016

Posts by DiANA

Total # Posts: 897

AP World History
No, this is my question. What were some complexities of trade in Post Classical world and how it is similar and or different to today?
November 23, 2012

AP World History
Describe the complexities of trade in Post-Classical world and compare to today.
November 23, 2012

Chemestry
If 0.25 mol of methane gas (CH4) is introduced into evacuated 2.00 L container at 35 Degrees Celcius , what is the pressure in the container ?
November 17, 2012

Chemestry
If 0.25 mol of methane gas (CH4) is introduced into evacuated 2.00 L container at 35 Degrees Celcius , what is the pressure in the container ?
November 17, 2012

Chemistry
Calculate the enthalpy of combustion for acetic acid using standard enthalpies of formation.
November 12, 2012

math
there are 4 green marbles,5 blue marbles,and 6 purples marble. 1. What the probability of picking a red marble, not replacing it, then picking a purple marble?
November 10, 2012

Physics
Hey this is what I did: T=Ia a= T/I then divide a/precessing velocity and that is the answer
November 9, 2012

psych
an IQ test is given on a tuesday, when given the test again on thurs the child scores differently, this is an issue of what? function, reliablity, observation or reflection?
November 3, 2012

7th grade math help Ms.Sue please ASAP
Hey there! I have a similar test and the relatives of real numbers can be hard if you're having trouble with the concept however I know for fact that you are right for #1 because rational is basically decimals and or fractions that repeat and or end while irrational is ...
October 24, 2012

Math
Two cards are drawn in succession without replacement from a standard deck of 52 cards. What is the probability that the first card is a face card (jack, queen, or king) given that the second card is an ace? (Round your answer to three decimal places.)
October 17, 2012

maath
The accompanying tree diagram represents a two-stage experiment. (Let x = 0.45, y = 0.55, r = 0.65, s = 0.35, t = 0.4, and w = 0.6.) Use the diagram to find the following probabilities. (Round your answers to three decimal places.) (a) Find P(A) · P(D | A). (b) Find P(B...
October 17, 2012

Math
Two cards are drawn in succession without replacement from a standard deck of 52 cards. What is the probability that the first card is a spade given that the second card is a club? (Round your answer to three decimal places.)
October 17, 2012

statistics
A researcher wishes to estimate with 95% confidence the proportion of adults who have high speed internet access. Her estimate must be accurate within 4% of the true proportion. 1. Find the minimum sample size needed using a prior study that found that 48% of the respondents ...
October 14, 2012

chemistry
Aluminum metal is exposed to atmospheric oxygen, it is oxidized to form aluminum oxide. How much heat is released by the complete oxidation of 24.2 grams of aluminium at 25°C and 1atm.
October 13, 2012

math
Yeah, Anonymous is right I go to connexus as well and they will find out no matter what teacher. There is a website provided called CheckMyWork and teachers and students use it to be sure they are not plagiarizing and or cheating in any sort of way. If you want to use Jiskha, ...
October 3, 2012

7th grade math
How do you arrange the numbers 2 4 5 and 6 ans insert the symbols "-" and "x" in a way that u follow PEMDAS/ order of operations to get the answer 8
September 20, 2012

geometry
(x+20)(x+10)(y-40)
September 16, 2012

geometry
find the value of each variable (6y-16) (4y+6)
September 16, 2012

geometry
whats the value of each variable (7x-27)(4x+12)
September 16, 2012

AP World History
There is a word that my worksheet is saying to define, the word is Chavin. I looked through my textbook, but I can't find the definition. What I am learning now is agricultural development and the earliest civilizations. Can you please give me a definition for Chavin?
August 29, 2012

cars
A ruling of the FTC requires that every used car must display a(n) ________ spelling out the warranty terms under which the vehicle is offered for sale. A. vehicle identification chart B. agreement C. option chart D. buyer's guide I have no idea what it is. HELP
August 23, 2012

math
joanne picked 15 more than twice as many apples as her sister. Her sister picked 35 apples.
August 18, 2012

Chemistry
It is C.
August 18, 2012

HEALTH
idkk i need help with this one too!
August 13, 2012

health
😂😂😂😂 ^^
August 11, 2012

ap world history
I mean coke as in coca cola
August 4, 2012

ap world history
how did coke become basically seen as an american value? how did this help and hurt coke (and in some ways, america itself?)
August 4, 2012

ap world history
how was tea connected to the opium trade and the opium war of 1839-1842?
August 3, 2012

AP World History
Hi its Diana with the same question: How did coffee play a pivotal role in the French Revolution? (lots of details and go into the Enlightenment) But, I looked at the articles you sent me and I still don't understand how coffee influenced the Enlightenment. I am having so ...
August 3, 2012

AP World History
How did coffee play a pivotal role in the French Revolution? (lots of details and go into the Enlightenment)
August 3, 2012

AP World History
Why were spirits an important staple in Colonial America?
August 2, 2012

chemistry
what the rules to be followed in performing he 4 fundamental operaions using scientific notation?
June 15, 2012

Math or geometry
7c-4x+45
June 8, 2012

algebra2
An ice-cream parlor sells sundaes with 3 different types of ice-cream and 4 different toppings. They have 8 flavors of ice-cream and 10 toppings for their customers to chose from. What is the probability that a customer orders a sundae including the toppings of whipped cream, ...
May 26, 2012

isep - fisica
b) quantidade de acelaracao no ponto b. o ponto b é um cursor que esta preso no cimo de uma barra que esta dentro de outra barra . como e que calculo a quantidade de acelaracao neste caso uma vez que ha acelaracao de coriolis
May 22, 2012

history
Which is NOT true of the segregation laws passed after the Civil War?
May 22, 2012

history
Philadelphia, Pennsylvania was NOT _____.
May 22, 2012

Polynomials. :) :)
f(x)=2x^4+4x^3-7x^2-x+7 has no rational roots. Approximate the irrational solutions correct to 3 decimals. If there is more than 1 real solution, enter them from smallest to largest, separated by a comma
May 17, 2012

Polynomials. :) :)
2x^4+4x^3-7x^2-x+7 Approximate the irrational solutions correct to 3 decimals. If there is more than 1 real solution, enter them from smallest to largest, separated by a comma.
May 17, 2012

Government
Las Vegas uses a council-manager style government?
May 14, 2012

Government
Las Vegas uses a council-manager style government
May 10, 2012

accounting
Question: Because Aqua Elite, Inc. is a new startup business, the beginning balances in all the general ledger accounts are zero to start. n The length of the accounting periods are three months using a fiscal calendar year. (A fiscal calendar is on a yearly basis other than a...
April 16, 2012

Math
Tasha saw a sailboat while walking along the pier. She thinks it is the tallest sailboat she has ever seen. The shadow cast by the boat was 14 ft long, while Tasha's shadow was only 2 ft long. If Tasha is 5.5 ft tall, how tall was the sailboat, in feet?
April 10, 2012

math
It would be 21. :)
April 4, 2012

math
9y squared + 48 - 36
April 1, 2012

Math
If events A and B are independent and P(A) and P(B) are nonzero, explain why P(A U B) does not equal P(A)+ P(B) im not sure how to answer this
March 25, 2012

Trigonometry
Your altitude is 40,000 feet and you detect a target at a depression angle of 6 degrees and a range of 20 miles. what is the altitude of the target? Draw a picture.
March 11, 2012

Math
Simplify (x^1y^1)^5
March 8, 2012

Math
Simplify z-4
March 8, 2012

Algebra
Thanks
March 8, 2012

Algebra
combine like terms (simplify) 11/14a-1/15b+1/14a-11/15b
March 8, 2012

Math
Classify the given number. - 4/9
March 7, 2012

Math
find the value of expression. 3*45/9-2(10-)-4/2
March 7, 2012

Geometry
find the perimeter of the trapezoid. L1=9.65yd, L2=9.25yd, L3=10.12yd, L4=6.20yd
March 7, 2012

Geometry
Can you please explain?
March 7, 2012

Math
28.26 yd squared
March 7, 2012

Math
178.3 ydd3
March 7, 2012

Mangerial Economics
Where Q is the number of cans of tennis balls sold quarterly, P is the wholesale price Wilpen charges for a can of tennis balls, M is the consumers average household income, and Pr is the average price of tennis rackets. The regression results are as follows Dependant Variable...
March 2, 2012

Business English
Which of the following sentences advocates an idea in a positive way? A. I can't see anyone buying the product at that price. B. The unit is way overpriced. C. Customers can get a better deal anywhere else. D. We can corner the market if we discount the selling price just 5%.
March 2, 2012

math
also a problem that i cant figure out is how to do inverses of logs f(x)= 2log(base2)X
March 2, 2012

Math
3ln(b) + 2ln(c) write as a single log. I have tried this problem so many ways. i don't know what to do with the 3 and the 2. do you multiply or use them as exponents or what
March 2, 2012

English
I want to delete this :S
March 1, 2012

English
What do you think about my essay? "A little bit longer and I will be fine" “..And you do not know what you got until it is gone, and you do not know what i s like to feel so low...” A quote written by Nick Jonas to express how he felt after being diagnosed ...
March 1, 2012

algebra. help!!
how do u get 2t?
February 27, 2012

Algebra
x^2–4 ÷ x^2+5x+6 ____________ ______________ x^2 + 3x – 10 x^2 + 8x + 15
February 25, 2012

Algebra
Thank you Steve.
February 19, 2012

Algebra
Factor 12x^2(x-1)-4x(x-1)-5(x-1) and show work.
February 19, 2012

math
to solve this problem, you would simply add the exponent of 13 from both tens since you are multiplying the exponents together. the answer would be 10 to the 26th power.
February 17, 2012

Math
Thanks a bunch
February 17, 2012

Math
Find an equation of the line containing the points (-6,19) and (-15,28)
February 17, 2012

math
If y=8(5)^x then write ln y as a linear function of x I don't know how to do this.??
February 15, 2012

algebra
because, x2 - x1 will always equal zero and you cant divide a number by 0
February 15, 2012

math
about 2826....
February 15, 2012

Math
what do you do when you have log on the side with y. for example logy= .120387x + .4771 How do you solve for y?
February 13, 2012

algebra
Find all integers b so that the trinomial 3x^2 +bx + 2 can be factored.
February 11, 2012

math
i had cards to write, i wrote 1 third of cards on monday, 2 eighths on tuesday, 1 sixth on wednesday and wrote the remaining 27 cards on thursday. how many cards did i write?
January 30, 2012

math
what would be the numerator of a fraction that is equivalent to 5/8 and has a denominator of 48?
January 26, 2012

chemistry
Calculate the number of moles of each ion in 10.5 mL of 0.205 M cadmium phosphate solution.
January 22, 2012

Chemistry
A sample of Manganese (II) Chloride has a mass of 19.8 grams before heating, and 12.6 grams after heating until all the water is driven out. Based on this information, how many water molecules were attached to each molecule of Manganese (II) Chloride?
January 22, 2012

Chemistry
How many moles of atoms are in one mole of AlPO4?
January 22, 2012

physics
A block of ice at 0 degree celsius is placed in a room whose temperature is also 0 degree Celsius explain what will happen?
January 13, 2012

Cosine question
cos theta= .5 2cos theta= .5 how do you do this?
January 9, 2012

Chemistry
THANK YOU!
January 8, 2012

Chemistry
PLEASE HELP! What is the mass of 1.50x10^-2 mol of (NHv4)v2SOv4? v=subscript
January 8, 2012

statistics
Assume the monthly rainfall in a certain state is normally distributed with a mean of 2.85 inches and a standard deviation of .2 inches: a) probability that in any given month there is between 2.7 and 2.9 inches of rainfall b) probability that in any given month there is more ...
December 14, 2011

english
can you give me those similarities and differences of africa and asia?? please reply ASAP. thnx.. :)
December 10, 2011

calculus
Find the critical number of g(t)=(t^2)/(5t+4)
December 9, 2011

chemistry
is the answer 1.29888 moles?
December 5, 2011

chemistry
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 (by mass) contains how many moles of HNO3? how did you get the answer
December 5, 2011

CHEMISTRY
is the answer 1.29888 moles?
December 5, 2011

CHEMISTRY
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 contains how many moles of HNO3? how did you get the answer
December 5, 2011

chemistry
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 contains how many moles of HNO3? how did you get the answer
December 5, 2011

physics
it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?
November 29, 2011

Physics
Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?
November 29, 2011

Physics
Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?
November 29, 2011

Physics
Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?
November 29, 2011

Physics
Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?
November 29, 2011

physics
it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?
November 29, 2011

physics
it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?
November 29, 2011

physics
it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?
November 29, 2011

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