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December 20, 2014

Posts by Chris


Total # Posts: 2,259

math
how would i write 0.09524 as a percentage is it 95%
September 24, 2010

math
what is the average of 45 and55
September 24, 2010

math
how would i find the range for these set of numbers -12,19,12,10,-24,1,-1
September 24, 2010

math
I want to see if am right the average is 1245/15=83 so what is the median its the 8 th number right so is it 83
September 24, 2010

6th grade English
The local museum showcased American Indian pottery. I have to identify the adjectives and the proper adjectives. local-adjective American Indian-Proper adjective
September 23, 2010

statistics
I dont know how to do ANY OF IT. I'm so lost
September 21, 2010

statistics
Job Sat. INTR. EXTR. Benefits 5.2 5.5 6.8 1.4 5.1 5.5 5.5 5.4 5.8 5.2 4.6 6.2 5.5 5.3 5.7 2.3 3.2 4.7 5.6 4.5 5.2 5.5 5.5 5.4 5.1 5.2 4.6 6.2 5.8 5.3 5.7 2.3 5.3 4.7 5.6 4.5 5.9 5.4 5.6 5.4 3.7 6.2 5.5 6.2 5.5 5.2 4.6 6.2 5.8 5.3 5.7 2.3 5.3 4.7 5.6 4.5 5.9 5.4 5.6 5.4 3.7 6.2...
September 21, 2010

physics
King Arthur's knights fire a cannon from the top of the castle wall. The cannonball is fired at a speed of 45 and an angle of 28 above horizontal. A cannonball that was accidentally dropped hits the moat below in 1.6 .
September 21, 2010

economics
Help please You are a utilitarian social planner and have a very limited number of vaccines to a new and potentially deadly virus. How do you allocate them? Do you: (A) give them to specific groups, such as high-risk populations, or (B) sell them to the highest bidder and ...
September 20, 2010

Botany
I need a labeled diagram of Cytokinsis Mitosis of the lily
September 19, 2010

economics
You are a utilitarian social planner and have a very limited number of vaccines to a new and potentially deadly virus. How do you allocate them? Do you: (A) give them to specific groups, such as high-risk populations, or (B) sell them to the highest bidder and rebate the ...
September 19, 2010

Microscopes
What is the RESOLVING POWER of a electron and light microscope?
September 19, 2010

Microscopes
What is the resolving power for light microscopes, and what is it for electron microscopes?
September 19, 2010

Biology
Why is the maximum resolution and magnification of a light microscope less than the electron microscope?
September 19, 2010

economics
Are there times when one’s use of the police force diminishes the use for others? If so, can it be defined as a public good?
September 18, 2010

parenting
Ok, you all need to take notes, there are two rules to parenting: Rule One- all children are the parent's 1st priority, always and forever, if you cannot put your children 1st, you have no business being a parent. Rule Two- See rule one This is just common sense people, if...
September 18, 2010

accounting
Making a t account need to know how to enter this Recognized operating expenses for 2009 of 30,000 including 5,000 on credit and 25,000 cash
September 15, 2010

accounting
I need to make a t account for accounting homework. The statements are from 2009? Earned revenues for 2009 of 55,000 including 8,000 on credit and 47,000 cash. Received a 3,000 deposit from hospital to start January 5, 2010. Purchased supplies on account for future use. 7,000
September 15, 2010

chemistry
Compare the three types of bonds based on what happens to the valence electrons of the atoms
September 15, 2010

chemistry
Analysis of a compound gave 39.50% C, 2.20% H, and 58.30% Cl. When 0.855 g of this solid was dissolved in 7.50 g of napthalene, the solution had a freezing point of 78.0° C. The pure solvent freezes at 80.0° C; its molal freezing point constant is 6.8° C/m. What is...
September 14, 2010

physics
a basketball player can leap upward 0.5m. what is his initial velocity at the start of the leap?
September 13, 2010

physics
if you jump upward with a speed of 2mls, how long will it take before you stop rising?
September 13, 2010

math problem solving organized list
I believe the answer is 15. GO, GY, GP, GB, GS. OY, OP, OB, OS. YP,YB, YS. PB, PS. BS. Your combinations are 5 plus 4 plus 3 plus 2 plus 1.
September 9, 2010

Reading
Help unscramble these immediately esplsl ziadrw anvihs amcaigni dspiaearp umiystroes aennctedh
September 9, 2010

ap chem
for the reaction ZnO + 2HCl yields ZnCL2 + H2O, what is the maximum amount of ZnCl2 which could be formed from 17.24 grams of ZnO and 6.87 grams of HCl? answer in units of grams.
September 8, 2010

chemistry
im lost.
September 8, 2010

chemistry
17.24 g ZnO/81 g/mol= .2128395 mol 6.87 g HCl/36 g/mol= .190834 mol ?
September 8, 2010

com155
thank you very much...I appreciate the help
September 8, 2010

com155
can someone please review my answers to the questions below and let me know if they seem correct? Review the four paragraphs below. There is one paragraph matching each of the following types: summary, analysis, synthesis, and evaluation. Once you have read each paragraph, ...
September 8, 2010

Writing
What do professional writers need to know about formatting business documents?
September 4, 2010

tsu
Determine the value of a $500 Canadian Pacific Limited perpetual 8 percent debenture if the required rate of return is 14%: (8)
September 2, 2010

writing
Flexibility is a key component in adapting to each new challenge: most students can do this by the end of week one. Is this sentence right? Should the colon actually be a semicolon?
September 2, 2010

nature science
another name for an experiment that tests an hypothesis
September 1, 2010

Biology
I tried this website myself. They are so precise when they answer you're, they're literally awesome.
August 31, 2010

5th grade English
How courageous the people were to go against the powerful king! Exclamatory sentence Let them eat cake. Imperative Don't miss the choir's performance of that magnificent song. Imperative
August 25, 2010

Physical Education
Two bodies are thrown vertically upwards with the same initially velocity of 98metre/sec but 4 sec apart.How long after is thrown will they meet?
August 25, 2010

english
IF THE WORD IS GGORL WASLHINGTON,AND WHENEVER CONSONANTS H,N,G,APPEAR TOGETHER CHANGE THERE ORDER SO THAT THE FIRST CONSONANT BECOMES THE LAST, ONE IN THE MIDDLE BECOMES THE FIRST AND THE LAST THE MIDDLE.
August 21, 2010

US History
Compare and contrast the initial formation of two states—Virginia and Pennsylvania—by evaluating and listing the similarities and differences of the first state constitution for each state. Identify the date of each constitution and consider the events that occurred ...
August 18, 2010

math
-(8) < n <(or =) - (-5)
August 11, 2010

chemistry
A buffered solution is made by adding 50.0 g NH4Cl to 1.00 L of a 0.84 M solution of NH3. Calculate the pH of the final solution
August 10, 2010

algebra
-(8) < n <(or =) - (-5)
August 7, 2010

applied chemistry
A sample of oxygen occupies 10.0 L under a pressure of 105 kPa. At what pressure will it occupy 13.4 L if the temperature does not change?
August 3, 2010

financial 200
Write a 200-300 word description of the four time value of money concepts: present value, present value of an annuity, future value, and future value of annuity. Descrive the characteristics of each concept and provide an example of when each of when each would be used.
July 23, 2010

economics
Market research has revealed the following information about the market for chocolate bars. The demand schedule can be represented by the equation QD=1,600-300P, where QD is the quantity demanded and P is the price. The supply schedule can be represented by the equation QS=1,...
July 9, 2010

economics
Beach front resorts have an inelastic supply and automobiles have an elastic supply. Suppose that a rise in population doubles the demand for both products(that is the quantity demanded at each price is twice what it was) a, what happens to the equilibrium price and quantity ...
July 9, 2010

Mass Communications
I am looking for help with my final project in xcom 100 career center presentation that is due July 4 before midnight
July 3, 2010

Chemistry
50mL of 0.1M = .005 moles of AgNO3, so based on balanced equation, that will react with .0025 moles Zn. Calculate q(zinc) = -(q(sol) + q(cal)) q(zinc) = -(50*4.18*2.92 + 98.6*2.92) q(zinc) = -898.19 J then divide by .0025 moles of Zn reacting (and covert to kJ) = -360kJ/mol
June 30, 2010

Chemistry
50mL of 0.1M = .005 moles of AgNO3, so based on balanced equation, that will react with .0025 moles Zn. Calculate q(zinc) = -(q(sol) + q(cal)) q(zinc) = -(50*4.18*2.92 + 98.6*2.92) q(zinc) = -898.19 J then divide by .0025 moles of Zn reacting (and covert to kJ) = -306kJ/mol
June 30, 2010

geometry
Given: ~ with altitudes CR and ZS. ZS = 12, XY = 15, YZ = 18 and AB = 20, find the measure of CR. (2 points) A) 25 B) 9 C) 17 D) 16
June 21, 2010

5th grade
i have a speech to do on something what should that something be
June 15, 2010

Mat 116
-2x>1/9 {xix_ _}
June 13, 2010

Geometry HELP
true or false: if their sum is equal to 180 degrees, then angle D and angle B are supplementary
June 11, 2010

child growth development
Which of the following mothers has the greatest chance of birthing a baby with birth defects due to contracting rubella during preganancy? A. A woman who has the illness during the first month of preganancy B. A woman who contracts the disease during the second trimester C. ...
June 9, 2010

math
1.5/2 2.1\5 3.1\6 4.3\16 5.30\11 6.1\2
June 8, 2010

project on alternative renewable energy souses
should i do a power point or a model display
June 7, 2010

physics
Do any of these five objects move in similar ways? Which ones? What do they have in common? -Oscillating pendulum -dynamics cart rolling up and down an incline -student jumping into the air -mass oscillating at the end of a spring -ball tossed into the air
June 6, 2010

Physics
it will be 26
June 6, 2010

Information Science
ABC Company has 50,000 employees at it headquarters. The company wants to increase employee productivity by setting up internal software application training program for it employees. The training program will teach employees how to use Microsoft software programs such us ...
June 1, 2010

SCI/275
please help
May 27, 2010

chemistry
what volume of O2 at STP is needed to react with 4.52 g of K
May 25, 2010

Math
when i fill in 3(5)+ 8y = 16 it doesnt comeout even though
May 25, 2010

Math
How do i solve this system algebraicly? 3x + 8y = 16 5x + 10y = 25
May 25, 2010

math
Find the slope of the line passing through the points (7, 0) and (0, 10).
May 24, 2010

medical
For each body system, identify which body approach(es) might best be used to organize information. Choose only from the following approaches: microscopic-to-macroscopic, body directions and planes, body cavities, and quadrants and regions
May 21, 2010

Science
Is this correct? The Change of energy of a Slingshot: Elastic Potention-Gravitational potential-potential?
May 20, 2010

Science
Is this correct? The Energy Transformation of a Slingshot: elastic Potential-Kinetic-Potential
May 20, 2010

Pre-Calc
Thank you so much, this was very helpful :)
May 16, 2010

Pre-Calc
Find f(a) where a is in the domain of f. f(x) = -1/x^2 I got a few steps into it and failed :( The equation she gave me to plug it into is (f(a+h)-f(a))/h
May 16, 2010

health
How to over come barriers of intimacy
May 16, 2010

7th grade math
A farmer grows 196 pounds of potatoes. He sells them to a grocer who divides them into 5 pound and 20 pound bags. if the grocer uses the same number of 5 pounds and 20 pound bags, how many bags of each did he use?
May 12, 2010

Chemistry
Sulfur trioxide, SO3, is made from the oxidation of SO2, and the reaction is represented by the equation 2SO2 + O2 2SO3 A 25-g sample of SO2 gives 18 g of SO3. The PERCENT YIELD of SO3 is?
May 12, 2010

Chemistry
A clear colorless liquid in an open beaker was heated to boiling. The liquid began to boil at 110°C, and as vapors escaped, the temperature of boiling gradually increased to 115°C, at which the heating was stopped. On the basis of this information, we can say that the ...
May 12, 2010

Chemistry
A sample of an oxide of antimony (Sb) contained 25.0 g of antimony combined with 8.2 g of oxygen. The simplest formula for the oxide is?
May 12, 2010

Chemistry
C3H8 + 5O2 3CO2 + 4H2O How many grams of oxygen are required to burn 7.0 g of C3H8?
May 12, 2010

Chemistry
Ammonia, NH3, and oxygen can be reacted together in the presence of a catalyst to form only nitrogen(II) oxide and water. The number of moles of oxygen consumed for each mole of NO that is produced is?
May 12, 2010

Chemistry
How many grams of lithium nitrate, LiNO3, are required to prepare 3.00 × 102 mL of 2.00 × 10–1 M solution?
May 12, 2010

Math-Alebra
Oops, forgot he wanted to play 14 commercials altogether. If he did play only 30 sec. commercials he would be over 14. For both 30 and 60 sec. commercials. You would have to set up some sort of equation.
May 7, 2010

Math-Alebra
For the first problem change 11 min to seconds by multiplying by 60. Because there is 60 seconds in one minute. 11 min. * (60 sec./1 min) = 660 sec. So for 30 sec. commercial 660/30 = 22 commercial For 60 sec. commercial 660/60 = 11 commercial
May 7, 2010

Algebra 2
It's really Natural Logarithm I would recommend looking at the rules for both Logarithm and Natural Logarithm.
May 7, 2010

Algebra 2
Using quotient rule of logarithms ln(m/n) = ln(m) – ln(n) so ln(1)-ln(2) = ln(1/2)
May 7, 2010

Alg 2
One way it helps to look at roots of 3rd degree is that it's the same as the what is under the root to the power of (1/3). Ex: (3√x)= x^(1/3) I would then do this with a higher polynomial like (3√x^5)= (x^5)^(1/3) = x^(5/3)
May 7, 2010

calculus
Thanks Helped a lot
May 7, 2010

calculus
I set both y equal to each other to find the points of integration. squared both sides (((25-(x^2))^(1/2))=3)^2 then becomes (x^2)=25-9 Result x= +(14^(1/2) and -(14^(1/2) I don't know what to use, as in the disk or washer method.
May 7, 2010

calculus
Find the volume of the solid when the region enclosed by the curves y=((25-(x^2))^(1/2))and y=3 is revolved about the x-axis. I already have the answer = (256*pi)/3, but don't know how to set up.
May 7, 2010

Physics
pA = pB = 2 atm = 2 * 101325 Pa = 202650 Pa vA = 1 L = 1 * 10^-3 m^3 vB = 5 L = 5 * 10^-3 m^3 W(A to B) = 202650 * (5 * 10^-3 - 1 * 10^-3) = 202650 * 4 * 10^-3 = 810.6 J W(B to C) = 0 (because volume is constant) W(in complete cycle) = 480 J W(in complete cycle) = W(A to B) + ...
May 7, 2010

5th grade
Thanks. I thought a square would not be classified as a rectangle.
May 6, 2010

5th grade
I need to have 7 and have already used up the whole numbers 1X13, 2X12, 3X11, 4X10, 5X9, 6X8, so what is the 7th rectangle measurement????
May 6, 2010

5th grade
If I have a perimeter of 28 inches, how many rectangles can I draw and what are the dimensions?
May 6, 2010

chemistry2
if 160g of Al reacts with O2 to produce 260g of Al2O3.calculate the theoretical yield and the percent yield 4Al+3O2 2Al2 O3
May 5, 2010

Chemistry
What is the pH of 50.0 M HF and 25.0mL of 1.0 M NaOH?
May 4, 2010

PHYSICS
A sample of monatomic gas (ã = 5/3) is expanded adiabatically from an initial temperature, volume, and pressure of 230. °C, 7.00 litres, and 7.00 kPa, respectively, to a final volume of 10.0 litres. (a) What is the final pressure of the gas? (answer 3.86 kPa) (b) ...
May 2, 2010

math
the statue of liberty is 150 feet tall, and stands on a 150 foot pedestal. How far from the base should you stand to have the statue subtend the largest possible angle at your camera lens, assuming the camera is held 5 feet off the ground and the ground is flat?
May 2, 2010

8th grade
what it he reason a spoon gets hot when put in a bowl of hot soup?
April 30, 2010

Physics
it didnt let me put the link to image.. A tube of radius 5 cm is connected to tube of radius 1 cm as shown above. Water is forced through the tube at a rate of 10 liters/min. The pressure in the 5 cm tube is 1×105 Pa. The density of water is 1000 kg/m3. Assume that the ...
April 27, 2010

math
mikes average on the first four exams in econ 1A is 88. what must he earn on the next exam to raise his overall average to 90
April 27, 2010

Trigonometry
1. Find the exact value of the following (Think identity) Cos(2 Arccos(5/13)) 2. Solve the following equation for 0° ≤ Θ < 360° Sec(Θ)= tan(Θ) + cos(Θ)
April 26, 2010

algebra
the area of the parallelogram is 96 square miles. Find its base and height. if the base is x+5 and the height is x-5
April 23, 2010

IT
Design a system which will take in the results for the five criterion levels of achievement for each phase of the design cycle: Investigate, Design, Plan, Create and evaluate. The system will then calculate the average and round up to the nearest decimal place. It will then ...
April 21, 2010

english
i think its a
April 20, 2010

english
n which one of the following sentences does the verb agree with the subject? A. The book that explains the plays is on the shelf. B. There is a million reasons why I shouldn’t go. C. Who is the people in the photograph? D. Here is the reasons we can’t start the car.
April 20, 2010

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