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March 28, 2015

Posts by samantha


Total # Posts: 1,393

English, PLEASE HELP ASAP
Okay this is what I wrote, please let me know...-- This morning at work I look out to this Chicago city as gloomy and sad. Sad is how I would describe where I am at as of now, sad because I am the lowest I have ever felt. Work does not satisfy me compared to when I was out in ...
November 8, 2010

English, PLEASE HELP ASAP
BOOK "O PIONEERS!" On pages 68-69, Alexandra and Carl Lindstrum have a conversation where they compare the different paths their lives have taken. At the bottom of page 68, the paragraph begins with Carl saying--“Freedom so often means that one isn’t needed...
November 8, 2010

12th grade
small group that study bills
November 5, 2010

Math
I'm really struggling with how to set this up: A company has 18 members on its management team,10 men and 8 women. There is a conference in Hawaii, and the company decided to send 5 people. If the selection of five people is random, find the following probabilities. I got ...
November 4, 2010

5th grade
a parallegram has a height of 4 meters and sides of 5 meters and 7 meters. What is its area in square meters?
November 3, 2010

math
if there is a height of 4 meters and sides of 5 meters and 7 meters"what is the area of the square meters
November 3, 2010

chemistry extra credit
If you eat something very hot or spicy, and need to quickly "douse the burning sensation" in your mouth, water does not work as well as other possibilities. What is best for producing relief and why?
November 3, 2010

*chemistry
What is the source of Dr. Seuss' Green Eggs and Ham? (Why do hard boiled eggs sometimes have green coated or tinged egg yolks?)
November 3, 2010

***chemistry
Why is vinegar recommended for cleaning coffee pots, steam irons, and kitchen and bathroom faucets with white deposits on them? Why does it work, and what is the chemical equation for how it works?
November 3, 2010

calculus
What is the formula for figuring out the Tangent of a "S" Curve?? R=3000?
November 3, 2010

***chemistry
The Morton Salt Compant instroduced a logo and slogan for advertising its salt in 1911. This is one of the oldest and most successful ad campaigns ever, but what does it mean and where and why did they come up with it? (describe the chemical basis for it)
November 3, 2010

algebra HELP ASAP
If $13,000 is deposited in a bank account paying 6% compounded quarterly, what amount will be in the account after 8 years? How much interest will be earned during the 8 years? The amount after 8 years will be $___ How much interest will be earned during the 8 years? _____
November 2, 2010

college algebra HELP
How long does it take for a deposit of $1400 to double at 10% compounded continuously?
November 2, 2010

Chemistry
If you have red solution, at what wavelengths should it absorb light, at what wavelengths should it NOT absorb light?
November 1, 2010

Algebra
To convert from centimeters to inches, multiply the number of centimeters by 2.5. True or False?
November 1, 2010

college algebra HELP
The population of a city was 166 thousand at the begining of 2004. The exponential growth rate was 1.5% per year. Use the formula P(t)=P[o]e^(kt) where P[o] is the population in 2004 and k is the exponential growth rate. a) predict the population in 2016, to the nearest ...
November 1, 2010

algebra
So does that mean that it is False?
November 1, 2010

algebra
$6 for two pounds is an example of unit rate. True or False?
November 1, 2010

algebra 2
A farmer wants to raise corn and soybean on a 2010 acre of crop land. Each acre of corn requires 2 hours of labor during growing season while each acre of soybean requires only 1 hour of labor. The total amount of hours of labor available during growing season is 340 hours. ...
October 31, 2010

college algebra
Use Descarte's rule of signs to discuss the possibilities for the roots of the equation. Do not solve the equation -5r^(4)+6r^(3)+9r-15=0
October 27, 2010

college algebra
Use the theorem on bounds to establish the best integral bounds for the roots of the equation w^(4)-8w^(3)+2w^(2)+10w-1=0
October 27, 2010

college algebra
Use the theorem on bounds to establish the best integral bounds for the roots of the equation w^(4)-8w^(3)+2w^(2)+10w-1=0
October 27, 2010

3rd grade math
explain how you can use the basic fACT FOR 9+6=15 TO SOLVE THE NEXT EQUATION
October 26, 2010

College algebra
Find the equation with x-intercepts (4,0),(-3,0) and (2,0) and y-intercept (0,12)
October 26, 2010

Chemistry 106
What are the elements used to make the ingrediants of each category (the same element may be listed in several categories, but a maximum of once in each of the 6 categories, no matter how many different ingrediants it may be in)? **name of the element with the symbol and ...
October 26, 2010

Algebra 1
x^2-6x(3-6x)
October 26, 2010

math
Find all real and Imaginary solutions 7x^(3)+70x^(2)-x-10=0
October 26, 2010

physics
A 15kg box is resting on a hill forming an angle of a horizontal surface. The coefficient of static friction for the box on the surface is 0.45. Calculate the maximum angle of the incline just before the box starts to move.
October 22, 2010

Math
find all real and imaginary solutions x^(2/3)-2=x^(1/3)
October 21, 2010

Physics
Vo=0km/h V1=89 km/h t0=0 t1=6.1 89-0/6.1-0=14.5 km/hr (Round to 2 sig figs=15 km/hr) You then have to convert km/hr to m/s^2. 15km/hr * 1000m/3600s= 4.1m/s^2 3600s = 1hr *hope that helps
October 21, 2010

Physics
The toy car in figure 6-12 runs off the edge of a table that is 1.225-m high. The car lands 0.400m from the base of the table a.How long did it take the car to fall? b.How fast was the car going on the table?
October 21, 2010

5th grade math
C 87, because 522/6 is about 540/6=90
October 21, 2010

College Physics
Conceptual Question: Many people believe that a vacuum created inside a vacuum cleaner causes particles of dirt to be drawn in. Actually, the dirt is pushed in. Explain.
October 19, 2010

English
What is an explanation when someone says: "The our crime's worse than a murderer's. His act puts him outside the law, but keeps the law intact. Ours would weaken the law." P.s. These men are forming a posse to hang a gang that killed one of their townsmen.
October 19, 2010

Chemistry 106
Calculate number of moles of aluminum in 1.50kg of Al
October 18, 2010

chemistry
Calculate the number of moles of CaCO3 in 3.20g of Calcium Carbonate.
October 18, 2010

chemistry
Calculate number of moles of aluminum in 1.50kg of Al
October 18, 2010

college algebra
Shondra wants to enclose a rectangular garnden with 240 yards of fencing. What dimensions for the garden will maximize its area?
October 17, 2010

Physics
Force due to tension = mg + ma The force that the load originally has in addition to the force due to acceleration.
October 17, 2010

Physics
3240 N
October 17, 2010

College Physics
would the answer be 19200?
October 17, 2010

College Physics
so i do 2.0x10^5Pa x (0.024m^2)(4)??
October 17, 2010

College Physics
The four tires of an automobile are inflated to a gauge pressure of 2.0x10^5 Pa. Each tire has an area of 0.024m^2 in contact with the ground. Determine the weight of the automobile.
October 17, 2010

Math
can you help me on this problem? -15-(-4)+(-1)
October 17, 2010

chemistry
What element has 20 protons and forms a +2 Cation?
October 15, 2010

Chemistry
you are given the equation S2O3 + 2H --> S + SO2 + H2O you mix 25 ml of HCl with a concentration of 2 mol/L with 5 mL of Na2S2O3 with a concentration of 0.3 mol/L. what is the concentration of S2O3 and H?
October 14, 2010

Chemistry
A 30 ounce iron bar at 425 degrees Fahrenheit is placed in 2.00 quarts of water at 80.0 degrees Fahrenheit. What will be the change in temperature of the iron bar in degrees Fahrenheit? (Assume 1/3 heat lost to the surroundings) Specific heat of iron= .473 Joules/grams degrees...
October 14, 2010

Chemistry
Congratulations! You have discovered a new element called Bhauzium (Bz). The average atomic mass of Bz was found to be 348.72 amu and its atomic number is 123. a) if the atomic masses of three isotopes of Bhsuzium are 342.92 amu, 356.43 amu (6.52%), and 351.29 amu, what is the...
October 14, 2010

College Physics!
Is there any way i can just get these problems set up? I just need help with the steps on how to do it. A box weighing 600 N is pushed along a horizontal floor at a constant velocity with a force of 250 N parallel to the floor. What is the coefficient of Kinetic friction ...
October 13, 2010

Chemistry 106
An unidentified metal forms an ionic compound with the carbonate anion. The metal forms a 2+ cation. If the minimum ration of the number of protons in the metal to the oxygen protons s 5:6, what is the metal?
October 13, 2010

algebra I
What is 3/4x-7=8+-6x
October 11, 2010

3rd grade
it's 40 and it is in the tens place
October 10, 2010

chemistry
A solution contains 4.46 g KCl in 178 mL of solution. The density of the KCl solution is 1.11 g/ml. What is the percent (m/m) for the potassium chloride solution?
October 9, 2010

chemistry
how many milliliters of 6.00 M HCl are required to react with 60.0 ml of 1.96 M Al(OH)3? Al(OH)3(s)+3HCl(aq)-->AlCl3(aq)+3H2)(aq)
October 8, 2010

math
in square ABCD, the measure, in inches of AB is 3x+2 and BC is x+12. What is the number of inches in the length of DC ?
October 4, 2010

calculus
Prove that cos(sin inverse x) = square root ( 1-x^2)
September 29, 2010

calculus
Prove that cos(sin inverse x) = square root ( 1-x^2)
September 29, 2010

Physics
a girl jumps off a high diving platform with a horizontal velocity of 2.77m/s and lands in the water 1.2s later the acceleration of gravity is 9.8m/s squared how high is the platform and how far from the base of the platform does she land?
September 28, 2010

11th grade
1.25/X = 82/100 82X = 124 82X/82 + 124/82 = X = 1.5424 Check: 0.01524 * 82 = 1.24968 = 1.25
September 26, 2010

Math
If light travels 10,000 km in 3.3 x 10-2 sec, how long will it take light to travel one meter.
September 21, 2010

Math
I think its like this... 3 to the second power is 3x3 which equals 9, but 3x2 equals 6 which is multiplication and has nothing to do with the powers and stuff. Its kinda weird at first but you will get used to doing it right.Another example is 3 to the 5th power. 3x3x3x3x3. ...
September 21, 2010

english
we are doing one about how to kill a mocking bird (the book was really good)
September 21, 2010

english
i am doing a book report and i havent done one since the 5th grade and now i am in 7th HELP!!!!!!!!!!!!!!!!!!!!!!!!!
September 21, 2010

english
that means if you do something good for someone later on you will rewarded
September 21, 2010

Chemistry
Well Ms. Sue, both Johannie and I were using this computer and I didn't realize her name was still on the name line.
September 20, 2010

Chemistry
The solution forms because of that?
September 20, 2010

Chemistry
The lattice energy is greater in magnitude than the heat of hydration. but what about the Last question?
September 20, 2010

Chemistry
When ammonium chloride is dissolved in water, the solution becomes colder. What can you say about the relative magnitudes of the lattice energy of ammonium chloride and its heat of hydration? Why does the solution form? What drives the process?
September 20, 2010

7th grade
well pretend that you and you sis or brother were spliting the last cookie in half soo the earth is the cookie and the hemisphere is half of the earth.
September 20, 2010

7th grade
my teacher is making us do a current even outside of the us and i STILL can't find a good curren event
September 17, 2010

math
18x^2 minus x minus 4 simplified.
September 13, 2010

Intermediate Algebra
Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; State the domain and the range of the function. f(x) = e^x
September 10, 2010

Intermediate Algebra
Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater than 1, three values...
September 10, 2010

Geometry
In geometry what kind of algebra do you use?
September 10, 2010

Intermediate Algebra
Hello I need a little help with my homework. I started trying to work it out but I am not sure if it is the correct solution. Please help! Question: Population growth. The exponential growth rate of the population of United Arab Emirates is 4.4% per year (one of the highest in...
September 10, 2010

math
The atomic number of cadium is half the atomic number of curium. Define a variable and write an expression for the atomic number of cadmium. I'm working in a group with my friends and we need help we're not the same people.
September 8, 2010

math
The atomic number of cadium is half the atomic number of curium. Define a variable and write an expression for the atomic number of cadmium. I'm working in a group with my friends and we need help we're not the same people.
September 8, 2010

English
I'm sorry-I needed to know what the theme was Thank you
September 8, 2010

English
What is the main idea of this? Please help-I'm terrible in english- Five score years ago, a great American, in whose symbolic shadow we stand today, signed the Emancipation Proclamation. This momentous decree came as a great beacon light of hope to millions of Negro slaves...
September 8, 2010

Math
Evaluate the logarithmic equation for three values of x that are greater than 1, three values of x that are between 0 and 1, and at x=1. Show your work. Use the resulting ordered pairs to plot the graph. State the equation of the line asymptotic to the graph (if any). y= log 1...
September 6, 2010

science
what is iit
September 2, 2010

science
A team of 6 scouts plans to cross a lake on a raft they designed. The scouts have wooden beams with an average relative density of 0.80. The beams measure 30cmx30cmx3m. The average scouts' mass is about 65kg and for their safety, they want the top of the raft to be at ...
September 2, 2010

science
During a competition, a 60kg cyclist rides along a horizontal road on a bike with a mass of 5kg. During her ride, she changes gears and uses the chain wheel with a radius of 7.5cm and 36 teeth, and the rear sprocket with 18 teeth. The pedal handle is 20 cm in length. a) ...
September 2, 2010

math
what is 7 to the 11th power equvilant to
August 31, 2010

british literature
1. Determine the speaker's attitude in thee lines: "Lo, all our pomp of yesterday/is one with Nineveh and Tyre!" a. the speaker feels Britain's greatness is similiar to that of ancient cities. b. The speaker believes the greatness of Britain could disappear, ...
August 18, 2010

health information management technology
This is supposed to be 500-700 words long :(
August 13, 2010

Algebra
Thanks so much
August 5, 2010

Algebra
Area of a painting. A rectangular painting with a width of x centimeters has an area of x^2+50x square centimeters. Find a binomial that represents the length. See the accompanying figure.
August 5, 2010

Year 12 Biology
What is a good and easy experiment I could do for my Year 12 biology assignment? I was thinking something with alcohol and the human body but I wouldn't know what my hypothesis would be. HELP!!
July 30, 2010

sheltered content instruction
Discuss what level of cognitive demand and context is represented by a student who performs each of the folowwing activities
July 23, 2010

chemistry
with the numbers 3, 7, 10 & 12 how you you make up the number 800 using different functions?
July 10, 2010

chemistry
4.The Kb of ammonia, NH3, is 1.8x10^-5. What is the pH of a 2.000 millimolar solution of ammonia , to 3 significant digits.
July 6, 2010

chemistry
Sorry I had a moment! I didn't process before I typed!
June 23, 2010

chemistry
Thank you! Can you explain to me where the 0.25 comes from?
June 23, 2010

chemistry
The equilibrium constant for the following reaction is 5.0 at 100c. If an equilibrium mixture contains [No2]=0.50 M, what is the [N2O4]? 2No2(g) <--> N2O4 (g) I do not understand if the Kc is 100c or where that plays in!
June 23, 2010

chemistry
Okay so for example P4(g) + 5O2(g) <==> P4O10(s) that would go to the right?
June 22, 2010

chemistry
Can anyone explain Le Chatelier's principal? How you know when it shifts to the products and reactants? Such as in 3O2(g) --><-- 2O3(G) 2CO2(g) --><-- 2CO(g) + O2 Thanks!!
June 22, 2010

chemistry
thanks for all this help! so for this one, 1 - it would be 0.108 x 35.7 = 3.86 moles of Na2CO3 2 - 2.86 moles Na2CO3 / 2 Moles HNO3 = 1.93 Moles HNO3. 3 - 1.93 Moles HNO3 x 0.150 M HNO3 = 0.290 L which would equal 290 mL. Is this the final solution? 4 - I need help with this ...
June 21, 2010

chemistry
what volume (in ML) of a 0.150 M HNO3 solution is required to completely react wtih 35.7 mL of a 0.108 M Na2CO3 solution according to the following balanced chemical equation? Na2CO3(aq) + 2 HNO3(aq) --> 2NaNO3(aq) + H2O(l) then, in the reaction above, what mass (in grams) ...
June 21, 2010

chemistry
my teacher insists that we do it that way, i don't really understand it but i try! so it would come out to be 0.026 moles Pb(NO3)2. Then, converting Pb(NO3)2 into KCl it would come out to be 0.052 Moles KCl. Then divide 0.052 by 0.150 which would equal 0.15 L?
June 21, 2010

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