Wednesday
November 26, 2014

Posts by mickey


Total # Posts: 69

Algebra
The Hubble Space Telescope can see stars and galaxies where brightness is 1/50 of the faintest objects now observable using ground-based telescopes. Use the fact that the brightness of a point source, such as a star, varies inversely as the square of its distance from an ...
November 18, 2014

Math
Should the phrase (the product of 2 plus a number divided by 3 and a number minus 4) be expressed as 2 + (n/3)+(a-4) Thank You
October 16, 2014

Chemistry
2. The half-life of a radioactive element is important when considering its application in medicine. For example, iodine-131 is often used in the imaging of the thyroid. The reason is that iodine is readily absorbed by the thyroid gland. Another reason is the short half-life ...
September 28, 2014

Chemistry
Imagine that you are a charge nurse in a nursing home. You are typically the only medical personnel in the house at any one time. A patient who is known to have excess stomach acid asks you to give him an antacid tablet. The typical antacid is either calcium carbonate or ...
September 19, 2014

chemistry
the boiling point increased by 2oC, what is the approximate molality of NaCl. K boiling point(water)= 0.512oC/m
August 26, 2014

chemistry
aftr you find the m of the unknown then i don't know how to get the mol of the unknown?
August 26, 2014

chemistry
the freezing point of benzene C6H6 is 5.5000C at 1 atmosphere. In a laboratory experiment, students synthesized a new compound and found that when 10.70 grams of the compound were dissolved in 294.0 grams of benzene, the solution began to freeze at 4.9740C. The compound was ...
August 26, 2014

chemistry
pepsin is an enzyme involved in the process of digestion. its molar mass is about 3.50 x 10^-4 g/mol. what is thr osmotic pressure in mm Hg at 30 degree oC of a 0.400g sample of pepsin in 55.0mL of an aqueous solution?
August 26, 2014

world history
what did the north and south believe about the compromise of 1850?
April 10, 2014

Math
f(x) = (x)/(√(x+3)) f(-x) = (-x)/(√(3-x)) -f(x) = -(x)/(√(x+3))
July 8, 2013

math
a sand pile in a shape of an upside-down cone has a volume of 350 m2 . The diameter of the base pof the pile is 7m. what is the height of the sand pile?
June 4, 2013

math
a sand pile in a shape of an upside-down cone has a volume of 350 m2 . The diameter of the base pof the pile is 7m. what is the height of the sand pile?
June 4, 2013

math
a sand pile in a shape of an upside-down cone has a volume of 350 m2 . The diameter of the base pof the pile is 7m. what is the height of the sand pile?
June 4, 2013

Precalc
A tower is supported by a guy wire 610 ft long. If the wire makes an angle of 69 degrees with respect to the ground and the distance from the point where the wire is attached to the ground and the tower is 125 feet. a) State if the law of sines or cosines should be used for ...
January 20, 2013

sciencwe
rosa boat is padding upstream at 1.25 m/sec. and the water in the river is flowing at .50 m/sec to the banks of the river. calculate the resultant velocity
January 10, 2013

Pre-Calculus
Assume sin A = sin B. If A = π/8, find B. Please show work so I'll know what to do.
February 1, 2012

chemistry
what is an indicator for chemistry? How is this for a definition? Thanks A susbtance that changes colour when added to a base or an acid. The colour it changes to will depend on which it is added to.
December 6, 2011

chemistry
What type of chemical reaction is this? Is it double displacement? Thank you! HCL + NaOH – H20 + NaCl
December 6, 2011

6th grade spelling
ok because I really dont wanna do this tom. so I just like ya idk lol
November 7, 2011

6th grade spelling
would #5 be revision?
November 7, 2011

6th grade spelling
Now what is the Following with the same words: 2. six___________ in one million 5. a ____________ of an essay please help!!!!!!!!!!!!!!!!!
November 7, 2011

6th grade spelling
Here are the words you have to choose from: energy; construct; prediction; include; allegiance; acquaintance; disagreement; stereos; legend; voluntary; revision; igloos; conclude; kangaroo; zeros; argument; summary; decision; alligator; allowance. Here are the questions I am ...
November 7, 2011

Math
0.000010 i think im not sure bout that but idk.
November 7, 2011

Physics
A young woman in the flag corps throws her flag 2.1 meters into the air. How fast was the flag moving when she released it? How long was the flag in the air before she caught it again?
November 6, 2011

Physics
A young woman in the flag corps throws her flag 2.1 meters into the air. How fast was the flag moving when she released it? How long was the flag in the air before she caught it again?
November 6, 2011

Physics
A handball is hit toward a wall with a velocity of 15.0 m/s in a positive (forward) direction. It returns with a velocity of 10.0 m/s in a backward (negative) direction. If the time interval during which the ball is accelerated is 0.025 s, what is the handball's average ...
November 6, 2011

english
In the book The devil's arithmetic, what are two symbols?
April 11, 2011

Science-Motion
How could an object accelerate while still traveling at a constant speed
March 23, 2011

Accounting
E3-5 Drew Carey Company has the following balances in selected accounts on December 31,2008. Accounts Receivable $ -0- Accumulated Depreciation—Equipment -0- Equipment 7,000 Interest Payable -0- Notes Payable 10,000 Prepaid Insurance 2,100 Salaries Payable -0- Supplies 2,...
March 21, 2011

College Chemistry
Determine the pH of a solution that contains 5.3*10^-2 M in HClO4 and 3.0*10^-2 M in HCl?
February 26, 2011

chemistry
how many grams of water can be formed when 28.7 grams of CH4 reacts with 45.8 grams of O2
December 16, 2010

chemistry
how many grams of water can be formed when 28.7 grams of CH4 reacts with 45.8 grams of O2
December 16, 2010

physics
30 n
November 21, 2010

Trig
Solve for 0<x<2pi ---> (2radical2)cos^2(x)-(radical2-2)cos(x)-1=0
October 19, 2010

Trig
Solve for 0≤x≤2π ---> (2√2)cos²(x)-(√2-2)cos(x)-1=0 much thanks .
October 18, 2010

Chemistry
An "empty" container is not really empty if it contains air. How may moles of nitrogen are in an "empty" two-liter cola bottle at atmospheric pressure and room temperature (25 degrees celcius)? Assume ideal behavior.
October 5, 2010

math
Can you help me with the steps needed to solve this inequality?5x-8<5+4x x=2
June 2, 2010

Math
5).Hat size are determined by the measuring the circumference of the head in either inches or centimeters. Use ratio and proportion to complete the following table. Hat size Head circumference Head Circumference 7 ½ to nearest 1/5 inch to the nearest centimeter 7 3/8 23...
May 28, 2010

chemistry
C6H12O6(s) +6CO2(g) +6H2O9g) 1) given 2 moles of glucose and 14 moles of O2, how many moles of CO2 could be produced? 2) which is the limiting reactant ? 3) how many moles of the excess reactant remain?
May 23, 2010

11th grade
For a child's birthday party, her family perpares goodies bags for the guests. each goodie bag contains 1 notepad, 2 pencils, 1 whistle, 2 cans of silly strings, 3 gummy bear packs, and 1 yo-yo. their current inventory is 30 notepads, 50 pencils, 28 whistles, 45 cans of ...
May 23, 2010

math
1.The base of a triangle is 5cm greater than the height. The area is 33cm(2). Find the height and the length of the base? Height? Base? 2. Factor X(2)-7x 3.Factor 5a(6)-1080a(3) 4. Find the GCF 5x(9),5x,-20= For this one I think the gcf is 5 Is this correct? 5. Factor by ...
May 16, 2010

5th grade math
hi my name mickey as u can see am smarter than a 5 grade ok and am in the 6 grade so know u now ok
April 19, 2010

mat 115
If $1,000.00 is deposited into an account paying 3% interest compounded annually (at the end of each year), how much money is in the account after 5 years? (Round to the nearest cent.) I cannot remeber the formula for this problem can you help
March 12, 2010

accounting
These questions are so confusing. So I was wondering what are each of the formulas to solve each question or what steps I need to take to complete them? I've been trying and I can't find the correct answer. ____ 11. The Dayton Corporation began the current year with a ...
February 22, 2010

english
I have written this essay and I would be happy to get your feedback on it please.. thanks very very much!!! Iago is a man blinded by envy and anger, with a goal in mind for everyone to become equally jealous, which is the aim that he completes through his betrayal and ...
November 28, 2009

Math - extrapolation
The forward difference formula can be expressed as : f'(x0) = (1/h)[f(x0+h)-f(x0)]-(h/2)f''(x0)-(h^2/6)f'''(x0)+O(h^3). Use extrapolation to dervive an O(h^3) formula for f'(x0)
November 22, 2009

Managerial Finance
The IF for the future value of an annuity is 4.5 at 10% for 4 years. If we wish to accumulate 8,000 by the end of 4 years, how much should the annual payment be
November 22, 2009

Managerial Finance
You recently posted this answer (High degree of combined leverage), to the following question: A conservative financing plan involves: Are you sure the answer is not, heavy reliance on equity?
November 22, 2009

math
1. (1 pt) Let g(y) = 8y2 + 13y + 5. A function f is known to be continuous on ( −∞, ∞), to satisfy g ◦ f (x) = 0 for all real x and it is known that the value f (8) is not equal to −1. You have enough information to determine f precisely.
November 21, 2009

science
What amount of fat should be eaten each day for: a)men b)women
October 15, 2009

science
What is the recommended amount of fat for: a)men b)women
October 15, 2009

6th grade
for their puny arms
March 6, 2009

science
A Graph Shows Distance On The Vertical Axis And Time On The Horitzonal Axis. If The Speed Is Steadily Increasing. What Will The Line Representing Speed Look Like On The Graph? (I believe the answer is A) A. It will be a straight diagonal line b. It will be a straight line that...
March 4, 2009

Physical Science
The entire physical universe is called__________?
August 27, 2008

Study Vocabulary
Does anyone know of some good ways to study vocabulary?
August 20, 2008

Chemistry
Which of the following is an example of a Homogeneous mixture? a. the hydrogen and oxygen atoms that make up water b. A typical soil sample c. a bottle of table vinegar
July 7, 2008

Chemistry
which of the following elements does not form bonds easily because it has a full outer shell? a. Aluminum b. Carbon c. Helium d. Calcium
July 7, 2008

Chemistry
A compound containg 3 atoms of carbon and 8 atoms of hydrogen is combined in a reaction with oxygen molecules. The two end products of this equation are carbon dioxide (CO2) and water. What element should you look at first in balancing this equation? Is the answer a.b.c or d? ...
July 4, 2008

english
use resourses and give proper citations to the author.
April 28, 2008

math
How to simplify : 9 to negative 2 X to negative 1 Y to zero and X I hope you understand
January 9, 2008

science
What is the cell theory
December 10, 2007

Math
Mr.Lin gave $3600 to his wife and kids. His wife got $500 more than the first child. The second child got half of what the first child got, how much did the first child receive?
September 17, 2007

english
He pressed his hand against the protruding bundle under his jacket. Would the word bundle be a noun, or protruding(possible gerund?)
September 10, 2007

need some help
what would the nouns be in this sentence?Undoubtedly it was colder than fifty below--how much colder he did not know?
September 10, 2007

chemistry
what is the atomic number of ununhexium and the full symbol is this a transitional element that is a metal and what is its highest hydride and highest fluoride of ununhexium thanks What is known about Uuh can be found here. Look for element number 116. Go to www.webelelements....
January 30, 2007

chemistry
how do i calculate %of arsenic and oygen by mass and chem composition of the oxide that has been formed 0.702 sample of arsenicheated, material in boat, oxide of arsenic with mass of 0.927g please help %As = [(mass As)/mass oxide]x100=?? %O = [(mass O)/mass oxide]x100=?? From ...
January 30, 2007

chemistry
what evidence supports the clarification that H2Se 03 is an acid and how do i identify the positive ions present inthe aqueous solution I am a little confused by the word "clarification" in your question. What evidence do you have? Could you measure the pH of the ...
January 30, 2007

math
a professinal basketball player is about how many meters tall? two meters is about six feet six inches, right?
October 26, 2006

Economics
Suppose the minimum wage is above the equilibrium wage in the market for unskilled labor. Using a supply-and-demand diagram of the market for unskilled labor, show the market wage, the number of workers who are employed, and the number of workers who are unemployed. Also show ...
September 23, 2006

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