# Posts by Kayla

Total # Posts: 1,527

chem
how would you set this problem up? An unknown gas effusees at .850 times the effusion rate of nitrogen dioxide, NO2. Estimate the molar mass of the unknown gas.

Music
Hey I am just wondering what I should do for an ABBA themed backround

chem
if the length of Mg is 2.7 cm and the mass per meter of Mg is .981 how do i find the mass of the Mg?

chem
Given the length of Mg in cm and the mass per meter of Mg, how do i find the mass?

Macroeconomics
Assume that preferencse are given by u(c,L) = 2*ln(c) +ln(L). The wage rate is \$15 and the person has 120 hours of time available. Profits are 0. Taxes are 0. Write down two equations that describe the constraints faced by this consumer. Find an equation for the Marginal Rate ...

math
How can I figure this out? Five integers have an average of 69. the median is 83. the mode is 85. the range of the 5 integers is 70. what is the second smallest of the 5 integers?

math
The minute hand is pointing ot the twelve. The hour hand is perpendicular to the minute hand. What two times could it be?

government
"The united states in congress assembled shall never engage in war...nor coin money,nor regulate the value thereof, nor [spend] the sums and expenses necessary for the defense and welfare of the united states...nor borrow money on the credit of the united states...nor ...

chem
how would you figure this out? if 500 mL of hydrogen are colected over water at 20 degrees c and 745 torr, what will the volume of the dry gas be at STP?

205
Michael Jackson has had more plastic surgery than anybody else in California. You can bet he’s had more than anybody in Connecticut!

chem
sorry i didn't mean to post this twice!

chem
how do you calculate the number of millilliters of 1 M required for an amount of moles? and how would i find out what remains in the beaker when distilled water is evaporated from a beaker?

chemistry
how would you calculate the number of milliliters of 1 M HCl required for .212 mol of HCl?? and how could i find out what remains in the beaker when distilled water is evaporated in a beaker?

Zoology
as the size and volume of flying birds increase, surface area of wings cannot increase proportinal to general body surface area. is this a true statement? explain your answer using words and math. bird size seems severely constrained wheras aircraft size is not...why? do the ...

chem
how do you determine the theoretical yield?

chem
how would you find the ratio of moles of copper produced to moles of iron used is the moles of iron used is .067 and the moles of copper produced is .01?

5TH GRADE MATH NEED HELP ASAP
place fraction on the number line 5/3, 7/4, 4/6, 12/8, 2/3

math
I have no clue how to figure this out! Can you tell me how to figure it out? 2 positive numbers are in a ratio of 9 to 10. if the lesser number is decreased by 6 and the greater number is decreased by 25, the resulting ratio is 2 to 1. find the greatest of the original numbers.

what is the protective sheild covering what segment of the thorax? its in grasshopper dissection

math
i would say A...but i would be just guessing...

science
well at least u tried...lol...

Health...different then the 1 i just posted...
How do coping strategies effectively relate to a healthy lifestyle?

Health
How does mental and emotional health affect a person's lifestyle?

Health
yes it is.

Health
right

Math
73

Health
Why do behavioral choices affect an adolescence health?

ALGEBRA EXTREMELY NEED HELP
search for algebra slover on here...it should no the answer...

ALGEBRA EXTREMELY NEED HELP
ummm... i feel srry 4 u...tht looks REALLY hard...

health
idk...

health
How does using apporpriate strategies when dealing with difficult situations as an adolescence affect a healthy lifestysle?

math
Explain how to reflect a polygon over the X axis and the Y axis.

english
what is the purpose of a fairy tale motiff?

english
visions shadow by simon ortiz what are the concerns for the environment, love of nature, or the symbol of the eagle.

Math
If I have the problem; m+24=3. How do I figure that out?

Math
whats 26/100 in simplest form and whats 94/100 in simplest form and whats 92/100 in simplest form

Biology
it has something to do with the nerves being more active there, but i cant put it into a sentence. my most sensitive areas are my eyes, my teeth, and my tongue.

science
Why are bulls attracted to red?

Chem help?
9.24 *10^-5

music
What are the notes of a scale called?

Math
how would i solve this? 2x+2y=12 would i solve for x or y? Im stuck!!

ecology
what are the parts of a sunflower i need the pic with the big words

science
thats the one i found also but i need it for my science fair project

science
what are the parts of a sunflower ...i need the picture with the big words

Math
What are the positive integers between 1 and 100 that are only divisible by three numbers: one, the number itself and a prime number?

graphing linear equations
i need help graphing the equations 3y+4x=12, x-2y=3, AND 3x+2y=8 Quick... thanks!!!

Math
4*4*4=64

sci 275

sci 275
yes I think humans can harvest forest resources in an environmentally friendly way

sci 275
Do you believe that humans can harvest forest resources in an environmentally friendly way? or should national forests be left in their natural state in which resources are not used to benefit humans?

chemistry
nonpolar

Psychology
What are the potential benefits and drawbacks of a test that attempts to measure skills, abilities, or traits?

Algebra 1
is this a linear equation 4xy + 2y = 9

social studies
what is a graphic organizer

Engineering
How does an air conditioner use the first and second laws of thermodynamics?

math
how do i solve this using trig identities? 2 csc^2x = 3 cot^2x-1

Algebra
find the coordinates of the vertex for the parabola defined by the given quadratic function f(x)=(x+7)^2-6

Math
What is the difference between an equation with two variables and an equation with three variables?

math
Which label describes the following? 3x +6 =10 A). Expression B). Linear equation C). Equation which is not linear

math
Which label describes the following? 3x +6 =10

History :]
To what extent did the compromises made during the writing of the Constitution sow the seeds for sectional discord later on?

biology
The removal of which of the following would have the biggest impact on marine ecosystems? a. fishes b. whales c. shrimp D. plankton

biology

Science
Does the strength of the bond have anything to do with the time it takes to melt a substance? Explain.

Chemistry
I'm having trouble with converting units. My teacher wants us to show work but I can't figure out how to do it. An example is, 35 mL = ____ dL. By showing work, how do you do that?

Spanish
We're supposed to translate the following sentence into spanish: It smashed cars and destroyed buildings. The verb our book told us to use for "smashed" is "hacer pedazos." Would you say "Hizo pedazos los coches..." or "Hizo pedazos de ...

science
what are the subunits of starch

social studies
i need help

math-differential equations
hi i need to know how to do this one thanks Find the solution to yx + x + (dy/dx) = 0 ; y(9) = -9 y = ???? Does this separate the variables? dy/dx=-x(y+1) dy/(y+1) = -x dx

math
use the quadratic formula to solve this equation. 4x^2-8x+3=5 use the formula x=-b + or - the sqrt of b^2-4ac/2a yes, the 2a divides into all. Memorize it.

math
x^2-9x-4=6 solve by completing the square show steps plz :D Add 4 to both sides. What is 1/2 of -9? Then square that, and add it to both sides. Now, on the left, you have a perfect square.. (x-9/2). Take the square root of each side. Remember the right side will be +-.

health and human services
• Give an example of how each of the following management structures affects the day-to-day work of an organization. 1. Departmentalization 2. Matrix Organizations 3. The Project Team 4. The Collegial Model Since this is not my area of expertise, I searched Google under ...

literature
How do poets utilize literary devices and conventions to develop themes in their poetry? Good explanation here: "Language is a means of communication by symbolic sounds and graphics. The meaning of these symbols is affected by the use of literary devices which further ...

ALGEBRA
list all like terms 6x, -7x^2, 4w^2x, 8wx^2, -9w^2 Three are no like terms in this set.

Social Studies
Did the West Indies help the Spanish conquistadors? "The analogous "West Indies" originates from Christopher Columbus' idea that he had landed in the Indies (then meaning all of south and east Asia) when he had actually reached the Americas." from http...

Economics
Describe the effects of protective tariffs. Why might a government limit free trade in this way? I know that a protective tariff is designed to protect a domestic industry but i can't figure out the rest of the question. Governments impose tariffs on imported goods so that...

Social Studies
I'm making this desert island project where you have no hope of getting rescued and you are with 149 other people. you must make your own currency, government, etc. with whatever. i don't know how to make my won government. what the? teachers are confusing... by won i ...

vocab-true or false
True or False: 1. A subway breakdown at rush hour can rejuvenate hundreds of commuters 2. In the 19th century, workers were sometimes exploited by their employers. 3. Heavyweight boxers do not inflict any pain or injury on one another. go to keyword: dictionary to look up the ...

economics/math question
(This homework question was removed due to a copyright claim submitted by K12 Inc.) It looks like the tax should be .05 x \$500,000.

english
unscrabble viglin tuuref http://www.ssynth.co.uk/~gay/anagram.html http://wordsmith.org/anagram/ http://www.unscramble.net

math
how do you change the fraction 8/35 to a percent? please try to help. thanks You would put 8 divided by 35 into your calculator, and you get 0.22.......... Next, you would move the decimal two places to the right and round to the nearest tenth- about 22.9% p.s - your teacher ...

algebra
_5x__ + _20__ x+4 4+x change the second denominator ot x+4 Now, they have the same denominators.. (5)(x+4)/(x+4) or 5 check this.

Pre-Algebra
I don't understand this equation: Given f(x)=4(x)+1 find the value. f(3) It's fairly basic, you just plug 3 in for x, so it would be 4(3)+1 and then you'd just simplify it :)

economics
how can a loan for school tuition affect the money supply? how can it affect aggregate demand? A loan, taken out of some cash reserve, would increase the money supply. The amount of the increase would be determined by the money-multiplier. The increase in spending (in this ...

economics
what would a horizontal aggregate supply curve imply about producer behavior? What would a vertical AS curve?

economics
What factors might cause a rightward shift of the aggregate demand curve? What factors might cause a rightward shift of the aggregate supply curve?

economics
True or False 1.Total output may continue to rise even though the marginal physical product (MPP) is decreasing Think about it, then take a shot. Hint: while MPP is decreasing, can it sign still be positive?

economics
could we ever achieve an unemployment rate below full employment? What problems might we encounter if it did? I'm not sure if I understand your question. To my knowledge, we can never achieve full employment in the United States. It is always "an unemployment rate ...

economics
suppose we established a \$10,000 fine for water pollution. Would some companies still find that polluting was economical? Under what conditions? If the cost of correcting the cause of the water pollution were more than \$10,000, then a company might believe it was saving money ...

economics
What are 5 deteminants of demand for JONES Soda Co? What are 4 determinants of supply for JONES Soda Co? Think about what influences supply and demand e.g., what are some factors that would shift the supply curve? the demand curve? And this will be your answer.

pre algebra
I believe that the 143 is a mistake. It should be -127.

algebra
simplify the expression. Use only positive exponents. 8x^2y^-2/x^-2y * (4xy^2)^-1/x^2y Something does not seem right in your terms. Are you saying that 8x is being taken to the 2y power and that all this being taken to the -2x power? Please clarify your terms, and we will do ...

chemistry - kinetics
Use the equation for activation complex: fraction=e^-[activation energy/8.314J/mol*temperature (also, simply put: f=e^-(Ea/Rt) ) (I'm a chem student learning/studying this at the moment)

mummification
Besides human beings, what did the Egyptians embalm? Thank you for using the Jiskha Homework Help Forum. Often pets were also mummified to put in the pyramids with their owners. Here is a site to help you: http://www.woodlands-junior.kent.sch.uk/homework/egypt/mummies.htm

Math
I have to make up a story problem that divides 4/5 by 2/5 .... I'm having a hard time creating a problem think of having group of friends and food. that one is very common. John used up 4/5 of his gas tank getting 2/5 of the way to his destination. How many tankfuls does ...

Economics
Suppose George is makeing \$18 an hour installing electronic chips in handheld computers. Would your offer to work for \$8 an hour get you the job? Why might a profit-maximizing employer turn down your offer? This is a bit of an open ended question. My offer to undercut george ...

phone charges project
Okay I need to know something about cell phones and land lines. My parents can't answer this because we don't have a land line anymore. We just have cells phones. Okay my question is if someone with a cell phone calls a land line person long distance will that land ...

math
what is 80% of 5? 4 4

american history
how did the 1877 Haymarket strike cause the public to resent the labor movement? http://en.wikipedia.org/wiki/Haymarket_Riot

american history
why did the south industrilize more slowly than the north? The south had fertile farmland that produced abundant crops. It also had slaves to work this land.

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