Sunday
April 20, 2014

Posts by Michelle


Total # Posts: 1,557

Chemistry
Write a balanced chemical equation for single eisplacement reaction. Al+H2SO4

Communication Theory
Identify misuse of language in Charlton Heston's speech from 1999 to Harvard Law School students. Provide specific examples if any exist.

Algebra
Got it Thanks!

Algebra
Find the equation of the line parallel to the line 3x + y = 5 and containing the point (4, – 2).

Medical Coding
What is the two subheadings within the Cardiovascular System subsection?

drivers ed
when crossing a bridge, a driver should usually: 1. reamin in the center of the lane 2.move to the right of the lane 3.move to the left lane

Algebra
Given that h(x) = x+4 and g(x) = rootx-1, find each of the following, if it exists. a. (gh)(10) b. (h/g)(1) c. (hg)(3)

Algebra
Could you be adding both fraction here after coming up with the common denominator? which is 12? for the final ans of 17/12 or 1 5/12?

Algebra
So you don't add the two to come up with the distance? All I need is the distance between the two fractions. Thanks!

Algebra
Calculate the distance between the points -2/3 and 3/4 on the number line. Please show how you arrived at the answer.

chemistry
Is it possible for hydrated sodium carbonate to continue to absorb water?

Algebra
turbo-jet: 400mph super-prop: 350mph

college
i am not good with history and i have an assignment on how the united states became involved with the politics in southeast Asia and how it affected the politics in the united sates. If anybody can help me it would be greatly appreciated

Algebra
Please Simplify ( 3x^5 y^-8)^4 ) (------------- ) ( z^-2 )

cjs250 Introduction to Security
What component of the overall security objective do you think deserves the most attention in the environments mentioned in the article?What components would be less pertinent for these particular environments during a vulnerability assessment? Why? o Specific to the primary co...

chem nomenclature
and sodium diamminetetrachloroplatinate(IV)

chem nomenclature
whats the formula: tetraamminedinitratocobalt(III) bromide

Math
I'm doing some word problems on finding the areas of rectangles, its just like all complicated. I don't understand how to do them. For example: A square field had 3 m added to its length and 2m added to its width. The area is 90 m2(squared). Find the length of a side o...

chemistry
thanks

law
D- until she's 24 ( correct answer)

Psy
How do you believe an individual’s attachment style can affect the types of love relationships he or she has

Psycology
Can you please summarize the three dimensions of love for me, and tell me how they interrelate to identify a specfic type of love relationship?

Chemistry
On March 24, 1989, the Exxon Valdez dumped 10.8 million gallons of oil into the pristine waters of Prince William Sound. If this spill had happened in open water, how many square miles of ocean would be covered by an oil slick that is 0.5 mm thick?

4th grade
Math

Algebra
I think the answer is this because (m+4) is the common factor and then you add a+a to get 2a-2. (m+4) (2a-2)???? is this correct?

Math
Do i need to put a 1 over the 2^2 x 7^8 like this? Or is it just 2^2 x 7^8 ? 1 ------ 2^2 x 7^8

Algebra
I thought there was division too. So what is the final answer?

Algebra
I do not understand how you arrived @ this answer. Can you please explain. Thank you

Algebra
Simplify (5x^-2)-(3y^-1) --------------- (x^-1)+(y^-1)

geometry
A ladder leaning against a vertical wall makes a angle of 75degree with the ground. If the foot of the ladder is 4 feet from the base of the wall, would this ladder be long enough for you to retrieve the suction dart that your friend stuck 17ft up the wall?

Algebra
Please help Simplify (p^-4+m ^2m)^-4/(p^-4)^-m

math
When converting Farrenheit to Celcius, why is there only 32degrees difference between the freezing points of 32 and 0, but 110 degrees difference between the boiling points of 210 and 75 degrees?

chemistry
Why does a solute dissolve faster in hot water than cold?

Algebra
Thank you!

Algebra
Add The following (8n^6 - 6n - 5n^4) + (2n^4 + 2n^6 + 3n) I think that this is the answer but am not sure. 10n^6 - 3n^4 - 3n

Algebra
Wouldn't the + 3n at the end be - 3n?

Algebra
Add. (8n6 - 6n - 5n4) + (2n4 + 2n6 + 3n) I think I have this answer but am not sure if its 10n^6 - 3n^4 - 3n OR 10n - 3n^6 - 3n^4 I am pretty confident on the first answer. Any help is appreciated! Thanks!

Englsih
The word it has how is the correct version written when you are contracting it?

science
can anyone help me unscramble....heat likes to remain "onmfriu"

Chemistry
What is meant by the hyrdration of the hydrogen ion? Does this mean you add water? Does this mean you create hydronium ions? Are hydronium ions only created when you hydrate a concentrated acid?

Chemistry
If you mixed water and dilute sulfuric acid, rather than concentrated sulfuric acid, would the exothermic reaction be greater or less than the exothermic reaction that occurs during hydration of a concentrated sulfuric acid? If so, why?

Calculus II
Solve the Initial Value Problem: Let k and Po be positive constants. P(0)=Po dP/dt = kP^2

algebra 2
how do you solve 1/3 + 4/x=2

Algebra
Algebra - Substitution Question? A+B+C=1 A+C= -1/2 A-B+C= -7 What are the values of A, B, and C?

Biology
5' C U A C C U C A G A U U C G C C U A C C U 3' What is the DNA sequence that encodes for the word for this protein? Be sure to note the 5' and 3' ends. What is the protein? I would appreciate any feedback! Thanks! :)

Biology
5' C U A C C U C A G A U U C G C C U A C C U 3' What is the DNA sequence that encodes for the word for this protein? Be sure to note the 5' and 3' ends. What is the protein? I would appreciate any feedback! Thanks! :)

Calculus
What is the antiderivative of this? What is the antiderivative of x/((16+x^2)^(1/2))? (x / the square root of (16 + x^2))? What method did you use? Substitution, etc..? Thanks!

Math
That is what i need to know, i figured out that 4(-17) + 36 (0) 4(-17) + 36 (0) = -68 + 36 = -32 X = 0 Y = 0

Math
Graph the linear equation. I need coordinates, but don't think they match up to my choices. I would appreciate some feed back. ThankS! 4y + 36x = -32

Biology
In the following chemical reaction, what is carbon dioxide (CO2)? 12 H20 + 6 CO2 -> 1 glucose molecule + 6 O2

Algebra
Thanks for helping out I see how this fits on the graph now! So my final answer will be (0,3) {-3/7,0}?

10th grade math
3a²-a-4=0 solving for the roots,

math, solving roots
4x²-25=0

Word Problem
So then the answer would be x > 15? Thanks!

Word Problem
Photography reprints cost $0.52 each at a local photo shop. Through the mail, they cost $0.44 each plus $1.20 postage and handling. How many reprints must a customer purchase to make it less expensive to use mail order? Thanks!

Algebra
Are you a math teacher by any chance?

Algebra
Would (2,1) (3,5) (4,9) work to make this true? 4x - y = 7? X representing the first number in the pair, and y the second? Thanks!

Algebra
I need 3 ordered pairs of points that would be solutions to this equation I have an idea of what suppose to fit because I think this equation has infinate solutions. What do you all think. Thank you! 4x - y = 7

Alegebra
For a science project, Tyronce is misxing a solution that is 6 parts of sugar to 25 parts of water. How would you wirte this as a decimal

math
can two different sqaures have the same perimeter

Chemistry
At the point of freezing when the temprature has plateaued and there is an equilibrium between the liquid and solid phases which phase, solid or liquid contains the greater amount of energy? In short, when the temperature of both the liquid and the solid are the same which pha...

Chemistry
When the solid and liquid phases are in equilibrium, which phase, solid or liquid, contains the most amount of energy (kenetic energy is the same)? Also, what is the difference between the melting and freezing of a substance?

Economics
Why are the multiplier and MPS inversely related? If net exports increase, is this a leakage or an injection?

Chem Help
35 C

social studies
who was moses austin?

math
write a word problem involving the number of pages in a book. then write the numerical expression that you would need to use to solve your problem.

calculus
A question on my math homework that I can't seem to solve... Rotate the region bounded by y=x^2-3x and the x-axis about the line x=4. Set up the integral to find the volume of the solid. I'm pretty sure that the integral is in terms of (dy), and has bounds of 0-4. Usin...

social studies
what roles did women play in medieval times?

physics
Astonomers discover a new planet orbiting a fixed point in space, but for reasons unknown, they can't directly observe a star where one is expected. The radius of the orbit is measured to be 1.85 x 10^8 km, and the lone planet completes an orbit once every 530 days. a.) Ca...

physics
Assuming Earth behaves as a perfect sphere with a radius of 6380 km, the standard gravitational acceleration,g, at sea level has a value of 9.80 m/s^2. a.) As Earth rotates on its axis, objects at the equator experience a slightly different value of g due to additional centrip...

physics
The mean distance of the planet Neptune from the Sun is 30.05 times the mean distance of Earth from the Sun. a.) Determine how many Earth-years it takes Neptune to orbit the Sun. b.) The mass of teh Sun is 1.99 x 10^30 kg, and the closest distance of Neptune from the Sun is 4....

physics
The moon is receding from the Earth by approximately 3.8 cm per year. Earth's mass is 5.98 x 10^24 kg, and its radius is 6.38 x 10^6 m. The Moon's mass is 7.3 x 10^22 kg, its radius is 1.79 x 10^6 m, and its orbital period around Earth is 27.3 days. The current average...

science
No

science
What are at least three attributes that distinguish a mold from a fungus?

Physics
i know this is alot to ask for but these 10 i can nott get out of the 30 A man pulls a 10-kg box across a smooth floor with a force of 71 newtons at an angle of 23 degrees and for a distance of 97 meters. How much work, to the nearest joule, does he do? -----------------------...

Physics
A man pulls a 10-kg box across a smooth floor with a force of 71 newtons at an angle of 23 degrees and for a distance of 97 meters. How much work, to the nearest joule, does he do?

algebra
{x|X is a natural number less than 1}

USHistory
I dont understand the Kentucky VA resolutions were madiosn and jefferson in accordance with e.a??

USHistory
I dont understand the Kentucky VA resolutions were madiosn and jefferson in accordance with e.a??

history
The Division of Buddhism: Theravada and Mahayana Buddhism Buddhism, the religion was born in India in the sixth century, with wide spread over a large part of Asia and many parts of the world. After the death of the Buddha, the Buddhist communities of their own have been met i...

Math
Ed's distance to the mirror is 12ft The distance from the lighthouse to the mirror is 100ft. The distance of Ed's eyes to the ground is 5ft. What is the scale factor and how tall is the lighthouse?

11th grade
why did the religons of buddhism and christianity spread when and as it did in africa during 300 bce?

MATH
WHAT MULTIPLICATION FACT CAN BE FOUND BY USING THE ARRAYS FOR 2X9 AND 5X9?

Calculus
the function of f(x) = x + sin (x) on the interval [0,b] i have to find b. two values of c that are given are (4.6658, 1.6174) that satisfy the mean value theorem on [0,b] i got b as +/- 3.29 but it has to be an integer so i think that's wrong. ' can someone please hel...

drown
3b+2=6(3-b)

calculus adn geometry
Wait, why are you substituting what b equals into the original equation... How does that even help you in the first place?

Science
I need information on daphnia please

3rd grade
Yes, because multiplication needs to have equal groups. Cheer!

history
How did the civil rights movement change in the mid-1960’s

History
Why did relations between the United States and the USSR deteriorate after WWII?

HISTORY
Why did Truman decide to use the atomic bomb against Japan?

math
Thank you for your help. I have one question. How did you get .75 from t+1?

math
In the xy-plane, line l passes through the origin and is perpendicular to the line 4x+y=k, where k is a constant. If the two lines intersect at the point (t,t+1), what is the value of t? I tried drawing a picture of the problem described above, but I don't understand what...

Calculus
position function is x(t)=(t-1)^3 (2t-3) how do you find the velocity of the particle at nay time when t is greater or equal to 0? i got the derivative equation (6t-9)(t-1)^2 + 2(t-1)^3 but that is for all t.

Calculus (Answer Check)
A particle moves along the x-axis so that its velocity at time t, 0(less than or equal)t(greater or equal to)5 is given by v(t)=3(t-1)(t-3). at time t=2 the position of the particle is x(2)=0. 1. find the minimum acceleration of the particle 2. find the total distance traveled...

Calculus (Answer Check)
A particle moves along the x-axis so that its velocity at time t, 0(less than or equal)t(greater or equal to)5 is given by v(t)=3(t-1)(t-3). at time t=2 the position of the particle is x(2)=0. 1. find the minimum acceleration of the particle 2. find the total distance travele...

Calculus (Answer Check)
Are my answers right? If they are wrong you dont have to tell me how to do it its okay =) A particle starts at time t=0 and moves along the x-axis so that its position at any time t(greater or equal to) 0 is given by x(t)=(t-1)^3 (2t-3) 1.find the velocity of the particle at a...

math
a man is building a studio that has a circular base. the interior of studio has a diameter of 40 feet. what is the area of the floor space?

5th grade social studies
Forest,rivers,mountains,and oceans because they grow vegetables and drink water

5th grade social studeis
What types of geographical features helped settlements grow and succed.why?

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