Sunday
April 20, 2014

Posts by natasha


Total # Posts: 332

math
For each piecewise function, find the specified function values. g(x)={x+4, for x<1 {8-x, for x>1 g(-4),g(0),g(1), and g(3)

Chemistry
Ok I messed it up when I wrote it, it should be 25.84/.585 = 44.17 So then would it be 44.17(100.23) = 4427.16 Is that right? The chart in my text says that the accepted molar mass of heptane is 4817. Is my answer too far away from the accepted value? Did I do it right?

Chemistry
In a laboratory activity, a student team measures the heat released by burning heptane. Using the following data, calculate the molar heat of combustion of heptane in kJ/mol: Mass of water - 179.2 g Initial water temperature - 11.6 degrees C Final water temperature - 46.1 degr...

Chemistry
Calculate the maximum concentrations of Pb+ that can exist in 3.0 x 10(-2)M Na2SO4 without forming a precipitate.

history
What were some of the accomplishments/achievments of the union called the Kinghts of Labour??

english
What did Zora Neale Hurston and Langston Hughes do for America in the 1920's?

science
The electric field in the atmosphere is about 140 N/C, downward. (b) Find the electric force on a proton with charge +1.6 10-19 C. formula please??

science
What charge exists on a test charge that experiences a force of 2.2 10-8 N at a point where the electric field intensity is 1.0 10-4 N/C? what formula do i use??

literture
kestrel for a knave

english
_____ is a speakers willingness to accept that some counter arguements might be valid

Englih rhymes
The small parts of wild plants is weed's seeds and the jumps of lambs is sheep's leaps YOUR WELCOME!

math
7 + 2 (-8x + y ) - (-11x + 2y)

math
thank you so much

math
16a - 5b - (-6a - 15b) - (-4b)

math
how do i solve this ... -4 (9a-b)+ 3 (5a +2b)

history
You're a famous movie producer. Large historical epics have become very popular, and you want to get in on the action. You need to develop a proposal to "pitch" to a movie studio. But what hasn't been done? Ben-Hur and Spartacus were big hits in the 1950s, an...

Statistics
Biologists studying the healing of skin wounds measured the rate at which new cells closed a razor cut made in the skin of an anesthetized newt. Here are data from 18 newts, measured in micrometers per hour: 29,27,34,40,22,28,14,35,26,35,12,30,23,18,11,22,23,33. Questions: a)S...

calculus
-6/5

Math
In a collection of nickels, dimes, and quarters worth &6.90, the ratio of the number of nickels to dimes is 3:8. The ratio of the number of dimes to quarters is 4:5. Find the number of each type of coin. Use a coin value chart to help. well, 4:5 is the same as 8:10 That makes ...

Early Childhood Education
Appropriate materials and equipment for outdoor play should contain which? 1. a lot of immovable parts 2. some loose parts 3. large,simple,steel units designed for a single purpose. 4. hard,strong surfaces for ground cover Shouldn't the materials and equipment contain a lo...

math
I tried many times this problem but it makes nonsense. Which statement is NOT true? 10+6x3-2divide2=27 10x6+3-2divide2=62 10-6+3x2divide2=8 10-6x3divide2+2=3 Without parentheses to specify the order of operation, there are many ways to interpret each of those, but 10 + (6x3) -...

Algebra
Rationalize the denominator of each expression. Assume that all variables are positive. I understand how to divide them, but don't exactly know how to rationalize them. ã3xy^2/ã5xy^3 Thanks in advance.

chemistry
We did this in a lab and nothing happened, but I'm pretty sure something was supposed to happen, so my question is: What happens when you put a pellet of sodiumhydroxide on a watch glass and observe it for 5-10 minutes? If there were hudidity in the air, it should have abs...

algebra
Identify the period and amplitude of each function. y=3cosÈ y=-2cos2t y=2cos1/2t

To-Ms. Writeacher
I posted 2 questions under Law. Margie answered them. Can you please look at the questions and tell me if I am right? Thank you!

Another Law question
An action in________ law would be the most appropriate way to stop a construction company from razing a 150-year-old house that sits on property that you claim as your own. A. common B. equity C. criminal D. civil This would be an action in civil law. Am I correct? An action i...

LawQ uestion-- Please Help!!
Which of the following groups has the best chance of bringing a class action lawsuit? 1. Everyone who developed a severe sunburn on the same day in Miami, despite using one of the leading brands of sunblock. 2. Elderly patients who complain of back problems and who all live in...

Law
Which one of the following groups has the best chance of bringing a class action lawsuit? A. Everyone who developed a severe sunburn on the same day in Miami, despite using one of the leading brands of sun block. B. Elderly patients who complain of back problems and who all li...

Geogrophy
WHAT IS PRIMARY SECONDARY TRITARIY

Environment
What is Arsenic pollution? I assume you are talking about higher than normal amounts of arsenic in air/water/etc. Arsenic need not be in the metal form (elemental form) to be toxic. Most, if not all, compounds of arsenic are toxic at some level. As2O3 and As2O5, for example, a...

Math
How do I convert these decimals? You need to give us some decimals to convert. When you do, show us what you think should be done to convert. You need to give us some decimals to convert. When you do, show us what you think should be done to convert. to a fraction, you put the...

ETH 125
Hello I am an Axia student in my second week of Ethics. Thanks a lot for the information. Good luck to all.

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