October 1, 2016

Posts by Melissa

Total # Posts: 1,260

3. Our tendency to feel wakeful and sleepy on a 24-hour basis depends mainly on a. A cycle generated by a mechanism in the brain b. Our perception of environmental stimuli such as heat and light c. A cycle generated by hormone-producing organs such as the adrenal gland d. Wear...
October 18, 2007

Psych- Sleep Deprivation
Sleep deprivation for a period of several days results in a. dizziness, slurred speech, and hallucinations in everyone. b. a loss of skill, such as that needed to play arcade games c. a total loss of ability to concentratel; even the simplest taks cannot be completed d. ...
October 17, 2007

IQ Test ?
A group of people took a new IQ test twice. Nearly all of those who did well the first time they took it also did well the second time. Nearly all those who did poorly the first time did poorly again the second time. Therefore, this test has __ reliability and __ validity. a. ...
October 17, 2007

I have a test that accurately predicts who will learn statistics quickly. My test has a. predictive validity but not reliability b. content validity but not predictive ability c. predictive validity and reliability d. neither validity nor reliability i chose answer C because ...
October 17, 2007

The Flynn effect is an example that shows a difference in IQ among : a. ages b. genders c. cohorts d. cultures Ok, i tried this one, and i thought the answer was "generations" i am confused as to what the answer is.
October 17, 2007

home economics
October 11, 2007

With the hydro carbon azulene it has a very large dipole moment and is an intense midnight blue color. Why is it such a deep blue and have a large dipole?
October 8, 2007

(1 - x)^4 * (2x - 1)^5 its a derivative how can i solve this?
October 4, 2007

yes, solve for c
October 2, 2007

1/2=2/5c-3, I do not get fractions
October 2, 2007

How do I solve -1/5t-2=4
October 2, 2007

We recently performed a yeast fermentation lab in class to determine the effects of different sugars (sucrose, lactose and dextrose) on the rate of fermentation. I am writing up my lab report, however I am having some difficulties. If sucrose and lactose have the same ...
September 29, 2007

theodor Schwann work alone to develop the cell theory?
September 24, 2007

what did Anton ban Leeuwenhoek first look at with his microscope and what did he name it?
September 24, 2007

what did robert Hooke first look at with his microscope? What name did he give what he saw?
September 24, 2007

math-story question
For a cone, the formula r = 3V divided by rh( all enclosed in square root symbol) describes the relationship between the radius r of the base, the volume V, and the height h. Solve the formula for V.
September 22, 2007

math radicals
5 square root 2 divided by square root 10+1
September 22, 2007

I think it is x2-4x-21 (x-7)(x+3)
September 22, 2007

algebra 2
its a peicewise you have to graph it and stuff
September 20, 2007

algebra 2
piecewise function : g(x)=/x/ +3 please help me solve this
September 20, 2007

What mammal mother has babies nearly 1/3 her own size?
September 4, 2007

September 4, 2007

15m-12-12m=16 what's the answer
September 4, 2007

Social Studies
If there is collision between the president and Congress, can Congress restrain the president in foreign policy making? It's very difficult, but sometimes Congress can influence the president on foreign policy. This website goes into a lot of details about the ways the ...
August 17, 2007

I need some help writing a paragraph about the literary devices in the book Twisted Summer. This is what I have so far. Twisted Summer is a fictional murder mystery. The setting was at Crystal Lake, where everything took place. There was definitely irony in this book. Cici is ...
August 4, 2007

Describe the literay elements used in the book Twisted Summer by Willo Davis Roberts? We'll be glad to critique your answer if you post it here. You may get some ideas about the literary elements from the reviews in this site.
August 2, 2007

Senior Paper
I am writing a Senior Paper about the poetry works of W.B. Yeats, a Modernist poet I have found out. But I was wondering if my thesis would work or if it is too soft and not on the line of a thesis. W.B. Yeats like most of the Modernistic poets in his time has changed poetry ...
July 6, 2007

English Thesis
I am usnure about my restated Thesis for my conclusion paragraph. But here is my first thesis 1. King Duncan, King Hamlet, Malcolm and Fortinbras are all minor characters who play an essential role in each tragedy; the kings are both murdered and the young men are both ...
June 28, 2007

English IV-writeacher
Thank you for your help! I even was able to use essential in my essay a couple of times =D! You're very welcome. Go get A's!!! =)
June 28, 2007

English IV Thesis
King Duncan, King Hamlet, Malcolm and Fortinbras are all minor characters who play a big role in each tragedy, the kings are both murdered and the young men are both fighting for their father’s lands in the end. Please check my thesis!!! "King Duncan, King Hamlet, ...
June 28, 2007

teenagers and what else of both sexes seem to be smonking more? Is this a question? What is smonking? Young adults, who were teens in the early 90's and started smoking then Smonking or smoking? They all have different meanings.
May 28, 2007

What are the comparisons and contrast of heat capacity and specific heat capacity?
May 16, 2007

Write as a single logarithm. Thank-you. 3(4 log t^2) Would it be logt^8 or are you not allowed to do that? And logy-4(logr+2logt) in the first one, what happened to the 3? my answer is log t^24 in the second... =logy - 4(logr + logt^2) =logy - 4log rt^2 = logy - log r^4t^8 =...
April 16, 2007

Please help-behavior
Braking your car after you observe a child's ball rolling into the street from between parked vehicles is instinctive requires a conscious decision is a reflex is instinctice and requires a conscious decision. (my choice) am I right here? The braking itself (pushing the ...
April 15, 2007

evolutionary standpoint
speaking from an evolutionary standpoint, would you say mitosis preceded meiosis or meiosis preceded mitosis or synapse preceded cell division or cell division preceded synapse.
April 14, 2007

Can't seem to get this problem ã6-x - ãx-2 = 2 I am unaccustomed to the symbols you are using. What does  mean? Does ã6 mean ã^6 ?
March 16, 2007

IB Biology/Biology
Web feet is a sex linked characteristic in Dingbats. Female Dingbats are XX and males XY. A webbed male is crossed with a homozygous normal female and the baby Dingbat is a female with normal feet. Deduce whether the web allele is dominant or recessive. If their next baby is a...
February 16, 2007

How does a tornadoe form? This site has a great explanation and diagrams.
February 4, 2007

Quest: show that i (imaginary) is a zero of f (x)= x^3+ (3-i)x^2 - 4ix -1 Plug in i for x and add up the terms. You should get zero. Remember that i^2 = -1
January 21, 2007

Iron Ions
Does anyone have the tests for iron(II) and iron(III) ions lab done? If you want to know something about Fe(II) and Fe(III) please post a new question. sadddddddddd I love to spelunk with my friends. It is such a hot rush! I also like to experiment with different spelunk ...
January 21, 2007

-ite and ide
January 12, 2007

How can individuals promote tolerance and reduce prejudice in their towns and cities? One has to practice what one preaches is the first action. Secondly, one has to love and show love to those not like us. Respect and dignity are powerful forces. Thirdly, a realization that ...
January 5, 2007

com 215
What steps would you take to ensure that the purpose of your message (whether informative, negative, or persuasive) is conveyed to your readers? I would ask them 1) if they had any questions about what had been said; 2) to synthesize what they had understood. As GuruBlue has ...
December 29, 2006

organic chemistry!
here's what i got.. 1. 2-methylpentane 2. 2-ethylbutane 3. 1,5-dichloroheptane 4. butanol 5. pentanoic acid 6. 2,4-dimethylpentene 7. 2,2-chloropropane 8. 2,2,4,4-tetramethylheptane 9. 2,2,4-trimethyl-3-hexene 10. 2-butyne hope this helps!! even though, i'm sure you&#...
December 27, 2006

Mario is 16 years older than his sister Mercedes. Together, their ages total 36 years. How old is Mercedes? Mercedes is 20 years old. let x = Mario's age y = Mercedes' age ====================== Mario is 16 years older than Mercedes; therefore, add 16 to Mercedes' ...
December 23, 2006

A. Given the above stated preference and supply information, how much alcohol (in ounces) will the average consumer purchase in an average month? How much all other goods will this consumer purchase? B. The program being heavily lobbied by business is to have a tax placed on ...
November 28, 2006

If the answer is 1 2/3, what is the question? 5th grade level answer please What is 5/3? UM THE FRACTION IS 1 2/3 hes saying 5/3 = 1 2/3 right. 5/3 = 1 & 2/3 OOO IS THAT RIGHT what is the deinition of whole number percent The question is to calculate this: 1 + (2/5) + (2/5)*(2...
November 16, 2006

I have a quick question for you all. I have done a repeated measures ANOVA for hypothetical data in my Stats class. There were 5 subjects.. all subjects rated their mood on a cloudy day, then they all rated their mood on a sunny day. In sum.. they all underwent the same order ...
November 8, 2006

I have a quick question for you all. I have done a repeated measures ANOVA for hypothetical data in my Stats class. There were 5 subjects.. all subjects rated their mood on a cloudy day, then they all rated their mood on a sunny day. In sum.. they all underwent the same order ...
November 8, 2006

If a firm has a U-Shaped long-run average cost curve, a.) its fixed cost rises as output rises. b.) it must have increasing returns to scale at low levels or production and decreasing returns to scale at high levels of production. C.) it must have increasing returns to each ...
October 30, 2006

I don't get french It is to hard help me understand plz someone help I can't fail grade six plz help French is the most beautiful language in the world. Thank you for using the Jiskha Homework Help Forum. In order to help you, please give us some examples of what you ...
October 8, 2006

I'm having difficulty on drawing lewis dot structures for certain compounds and figuring out the molecular shape. I can do the simple ones like IO4- which is tetrahedral...but i'm stumped on ICl4-. When i drew the structure I thought it was octahedral, but my textbook ...
October 7, 2006

These early flights were just the beginning. is that a sentence? Yes, it's a sentence. You have a subject flights and a verb were.
October 4, 2006

What is the least number of place-value blocks you need to show 4,200? The greatest? well, here is what the blocks are: 4 2 0 0 thousand hundreds tens ones does this help at all? I'm actually trying to figure this out so I can help my daughter. I understand that part of it...
September 28, 2006

Anglo America
What two countrys are owned by Anglo America? The Anglo American Company owns coal fields in South Africa and Liberia. Is this what you are looking for? human features in anglo-america
September 26, 2006

What is the the lush region that formed a great arc from the eastern shore of the mediterranean sea to the persian gulf. Babylonia, or Mesopotamia This region is also called the Fertile Crescent. what are the features of geography? The luch region that formed a great arc from ...
September 8, 2006

orientalism of muslim and arab american
I agree, this page didn't help me at all. I read the whole chapter 11 and then did research online for answers.
August 6, 2006

multiplying and dividing real numbers
August 5, 2006

Economics question
How much more output will the average American have next year if the $11 trillion U.S. economy grows by: a.
July 19, 2006

Definition of frog
I need the definition of frog which my teacher said is a type of clothing? Plus, I need a picture to see so I can draw it. Thanks. It is a latch on clothing, used like hooks. It consists of a ball of cord on one side, and a decorative slit or loop on the other side. Here... ...
September 1, 2005

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