Wednesday
October 1, 2014

Posts by Brianna


Total # Posts: 576

Science
what are the component parts of modern fireworks? what does each part do?
September 18, 2014

Science
What Type of Simple Chemical Reaction Occurs in Fireworks?
September 18, 2014

Science
1.what chemical properties of nail polish remover makes it dangerous? 2.Surgeons sometimes use metal plates and screws to hold broken bones together. What chemical properties do you think the metal should have?
September 17, 2014

Science
what chemical properties of nail polish remover makes it useful?
September 17, 2014

Science
Classify each as a physical characteristic or chemical property. -wood burns -clay is brown -steel wool rusts -a paper clip is 3cm long
September 17, 2014

Music
I know this is probably a dumb question but I have to write a report on a music artist and I like rock music so I want to know what artist should I choose? Marilyn Manson or Rob zombie? And can someone tell me some stuff about them?
September 17, 2014

Social Studies Help please Mrs. Sue
Aww ok thanks for helping though.
September 17, 2014

Math
Ashley runs around the following track. How many times must she run around the track in order to run a total distance of 4 km? measurements: 100m and 60m
September 16, 2014

science
A drinking glass at a crime scene contains a clear colorless liquid that may be water or alcohol. As the investigator, you know that the densities of alcohol, water, and ice are 0.79g/mL, and 0.92/mL. Design a simple method to determine the identity of the mystery liquid. ...
September 16, 2014

Science
aluminum has a density of 2.7g/cm3 while copper has a density of 8.96g/cm3. Which metal would you choose to build a model airplane? why?
September 16, 2014

Science
the density of liquid mercury is 13.53 g/cm3.The density of a solid copper is 8.96 g cm3. would you expect a piece of copper to sink or float when placed in a container of liquid mercury?
September 16, 2014

English
I need help diagramming the sentence "There were ten visitors here yesterday", especially the word there.
September 9, 2014

math problem solving
Eduardo thinks of a number between 1 and 20 that has exactly 5 factors. What number is he thinking of?
September 9, 2014

algebra
mary wants to put square tiles on the kitchen floor. The tile she has selected is 12 inches on each side and comes in boxs of20 tiles for $54 per box. Her kitchen is 15 feet 8 inches log and 5 feet 9 inches wide. How many boxes of tile will she need and what will be theprice ...
September 2, 2014

Physics
If a car is accelerating, is the car's velocity constant. Please sentence explanation.
August 26, 2014

Physics
Ok so here is another question. During a trip in the car , when will the car be accelerating positively and when will the car be accelerating negatively. Sentence explanation please.
August 26, 2014

Physics
Thanks for your help.
August 26, 2014

Physics
If toy rocket rises vertically and then falls back to the ground, what changes occur in the rocket's velocity and acceleration. Please give a sentence explanation not a formula
August 26, 2014

Algerbra 2
Arithmetic sequence 4,7,10,13 How do you do it.
August 22, 2014

english
Which of the following words cannot be used as an adverb? A. Tally B. Deeply C. Widely D. Too Please Help!
August 19, 2014

english
How would you form a superlative for the adverb widely? A. Add the word less B. Remove the “ly” C. Add the word most D. Add the suffix “est” I think it's D. Is that correct?
August 19, 2014

math
add all of the numbers up and divide what you get by 6.
August 19, 2014

math
add up all of the numbers and divide what you get by 6.
August 19, 2014

english
Thank you again, Ms.Sue
August 19, 2014

english
Since I read that, I'm thinking its sentence 3. Is that correct?
August 19, 2014

english
Is that correct?
August 19, 2014

english
I decided to go with 'C'
August 19, 2014

english
Thank you!
August 19, 2014

english
Which one of the following sentences correctly uses a comparative adjective? A. Of the three girls, Janet is the better speaker. B. Alicia is a gooder swimmer than Marilynn. C. George has a bigger appetite than Harry. D. This is the worse picture I've ever seen It's ...
August 19, 2014

english
Which one of the following sentences correctly uses a comparative adjective? A. Of the three girls, Janet is the better speaker. B. Alicia is a gooder swimmer than Marilynn. C. George has a bigger appetite than Harry. D. This is the worse picture I've ever seen I think it...
August 19, 2014

english
I think it's A, am I correct?
August 19, 2014

english
Which one of the following sentences correctly uses a comparative adjective? A. Of the three girls, Janet is the better speaker. B. Alicia is a gooder swimmer than Marilynn. C. George has a bigger appetite than Harry. D. This is the worse picture I've ever seen
August 19, 2014

English
What mark of punctuation is most closely associated with interjections?
August 19, 2014

Finance
One of Wildcat's competitors has a total assets turnover equal to 2.0, a return on equity equal to 15%, and a debt ratio equal to 60%. The company is financed with debt and common stock. What is this company's Return on Assets and Net Profit Margin?
June 16, 2014

Physics question help/ check my answers
The middle two question please check my answers and tell me if I am correct or if there is something I am missing. The first and the last question I need help to understand and complete it. Thank you in advance!!! 1. What is the electric force between a +2 µC point ...
May 8, 2014

reading- suffix
What does the suffix ant mean in the words servant, merchant, band assistant? A. State of B. One who C. Inclined to D. Lower than
May 5, 2014

science
Please help
May 5, 2014

science
Which experimental approach would be the most effective and easiest to clearly determine the evolutionary relationship between these 2 organisms? The 2 organisms are a starfish and snake. A. Sequence the same gene in both species to compare their similarity. B. Dissect ...
May 5, 2014

math
Marco jumped rope for 20 more seconds than Troy. The letter r represents the number of minutes that Troy jumped rope. Which expression shows the number of minutes that Marco jumped rope?
May 5, 2014

History
:( Help
May 5, 2014

History
r u there?
May 5, 2014

History
Whoops I ment a and c
May 5, 2014

History
I think b and c
May 5, 2014

History
:(
May 5, 2014

History
HURRY PLZ!
May 5, 2014

History
Mark the statement if it describes Roman society during the time of Cincinnatus. A. Rome’s government was based on law in which many people had a voice. B. Rome was being surrounded and threatened by outside forces. C. People in Rome admired those who used their ...
May 5, 2014

maths
Set up two equations. 2L + 2W = 18 L = 2W - 3 Now, substitute L into the first equation to find W. 2L + 2W = 18 2(2W - 3) + 2W = 18 4W - 6 + 2W = 18 6W - 6 = 18 6W = 24 W = 4 cm Next, put in the value of W into any of the equations to get L. L = 2W - 3 L = 2(4) - 3 L = 8 - 3 L...
May 5, 2014

math
Pay Yourself First I beleive
May 5, 2014

math
Jose invests 3250 dollars at 6% interest compounded annually. What will be the balance in the account after 3.5 years? A. 3932.50 dollars B. 3985.23 dollars C. 4752 dollars D. 5200 dollars
May 1, 2014

Math
What are the proceeds for a discounted loan for $300 repaid in 8 months at 17%?
April 30, 2014

Math
Cathy makes a deposit of 4500 dollars into an account that pays 5.8 percent simple interest. How much is in the account 8 years later?
April 30, 2014

Math
Charlie wants to buy a $500 TV in 9 months. How much should he invest now at 8% simple interest to have the money in 9 months?
April 30, 2014

Italian
I can. I dont see the paragraph. U can use google translator.
April 29, 2014

math
Con you tell me the lettera that si the answer.
April 29, 2014

math
Which is M=300J/P solved for J? A. J=300PM B. J=300M/P C. J=300PM D. J=PM/300
April 29, 2014

math
a bottle of juice completely fills a cylinder 10 inches tall and 4 inches in diameter. if one bottle of juice is poured into a cylindrical pitcher with a diameter of 6 inches, to what depth in inches will it fill the pitcher?
April 22, 2014

algebra
What is the volume of a cylinder? diameter:2cm hieght:9cm
March 27, 2014

Chemistry
The equilibrium constant for the reaction of the weak base aniline is Kb = 4.3e-10. C6H5NH2 (aq) + H2O (l) --> C6H5NH3+ (aq) + OH- (aq). Calculate ΔG at 298 K when [C6H5NH2] = 0.250 M, [C6H5NH3+] = 1.0E-5 M, [OH-] = 0.000480 M i used the equations dG=dG^o - RTlnQ and ...
March 25, 2014

Chemistry
What volume in liters will be required to dissolve 60.9 grams of Mg(OH)2? Ksp = 1.8×10-11 After doing the math, i got 1.58e-4, but its not right, so i have no idea what to do now.
March 25, 2014

Math
I do not know it ?
March 18, 2014

ECON
If you save $250 each year for the next 20 years, how much money would you have if you earned 9%?
March 8, 2014

Intro to Geography
A prime minister is the leader of what type of region? A.)Climate B.)Cultural C.)Economic D.)Political Cultural or political? I think it's cultural idk though HELP please :)
March 7, 2014

chemistry
which of the following summarizes Charles' Law? A. as temperature decreases, the gas particles slow down and take up less space B. as temperature increases, the gas particles slow down and take up less space C. when pressure decreases, the gas particles are allowed to ...
March 4, 2014

Chem
Cd(s)+Cu+(aq)→Cd2+(aq)+Cu(s)
March 3, 2014

math
Leslie needs 324 inches of fringe to put around the edge of a tablecloth. The fringe comes in lengths of 10 yards. If Leslie buys 1 package of fringe, how many feet of fringe will she have left over?
February 13, 2014

math
52 pound bags
January 15, 2014

Computers
The answer is A, if you don't have the answer yet.
January 13, 2014

math
a rope is cut into three pieces P,Q and R.the lengths of the pieces are in the ratio 3:5:7.if the is 33 feet and 9 inches long,find the lengths of P,Q, and R
December 11, 2013

Algebra
Ramiro earns $20 per hour during the week and $30 per hour for overtime on the weekends. One week Ramiro earned a total of $650. He worked 5 times as many hours during the week as he did on the weekend. Write and solve a system of equations to determine how many hours of ...
December 10, 2013

Calculus 1
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the specified axis. y=8-x^2, y= x^2 ; about x=2 V=?
November 24, 2013

Calculus 1
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the specified axis. y=8-x^2, y= x^2 ; about x=2 V=?
November 24, 2013

world history
Which of the following is true of the Antarctic Treaty System? A. It bans commercial mining in Antarctica. B. It's actually the Society for the Geographic Exploration of Antarctica. C. It was established specifically to enforce ecological regulations. D. It provides the de...
November 19, 2013

chemistry
To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 4.70 nm in diameter? Take the mass of an electron to be 9.11&...
November 1, 2013

chemistry
Assuming that the smallest measurable wavelength in an experiment is 0.990 fm (femtometers), what is the maximum mass of an object traveling at 269 m·s–1 for which the de Broglie wavelength is observable?
November 1, 2013

chemistry
A certain rifle bullet has a mass of 6.45 g. Calculate the de Broglie wavelength of the bullet traveling at 1817 miles per hour.
November 1, 2013

Statistics
According to internal testing done by the Get-A-Grip tire company, the lifetime of tires sold on new cars is normally distributed with a mean of 23,000 miles, with a standard deviation of 2500 miles. If the claim by Get-A-Grip is true, what is the mean of the sampling ...
October 30, 2013

chemistry
At constant volume, the heat of combustion of a particular compound is –3599.0 kJ/mol. When 1.365 g of this compound (molar mass = 102.90 g/mol) was burned in a bomb calorimeter, the temperature of the calorimeter (including its contents) rose by 7.819 °C. What is the...
October 27, 2013

chemistry
A 2.50-g sample of powdered zinc is added to 100.0 mL of a 2.00-M aqueous solution of hydrobromic acid in a calorimeter. The total heat capacity of the calorimeter and solution is 448 J/°C. The observed increase in temperature is 21.1 °C at a constant pressure of one ...
October 27, 2013

6th Grade Math
How would you write an expression that is equivalent to 4x4x5x4x5.
October 24, 2013

Calculus
If C(x) = 18000 + 400x − 2.2x^2 + 0.004x^3 is the cost function and p(x) = 2800 − 7x is the demand function, find the production level that will maximize profit. (Hint: If the profit is maximized, then the marginal revenue equals the marginal cost.)
October 21, 2013

Calculus
If C(x) = 18000 + 400x − 2.2x^2 + 0.004x^3 is the cost function and p(x) = 2800 − 7x is the demand function, find the production level that will maximize profit. (Hint: If the profit is maximized, then the marginal revenue equals the marginal cost.)
October 21, 2013

Science
A magnet was placed near a pile that contained both iron and sulfur. The magnet was moved gradually closer to the pile. As it neared the pile, the magnet started attracting small pieces of iron from the pile. What best describes? A. Solution or iron and sulfer can be seperated...
October 20, 2013

Science
thank you
October 20, 2013

Language Homophones
What is the homophone for racecourse.?
October 16, 2013

7th Grade
You learn about the sex process.
September 16, 2013

physics
A parachutist with a camera, both descending at a speed of 14 m/s, releases the camera at an altitude of 31.7 m. What is the magitude of the velocity of the camera just before it hits the ground? The acceleration of gravity is 9.8 m/s 2 and air friction is negligible.
September 12, 2013

Physics
An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 10.9 m/s in 3.70 s. (a) What is the magnitude and direction of the bird’s acceleration? (b) Assuming that the acceleration remains the same, what is the bird’...
September 2, 2013

Chemistry
For the following electrochemical cell, Co(s)/Co2(aq,.0155M)// Ag+(aq,2.50M)/Ag(s) 1.Write the net cell equation. 2.Calculate the following values at 25 degrees celcius. Eocell, Ecell, deltaGo rxn, and delta Grxn
July 25, 2013

Chemistry
Separate this redox reaction into its component half-reactions. O2 + 2Mg----> 2MgO
July 24, 2013

Chemistry
A current of 3.94 A is pass through a Pb(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 5.40 g of lead?
July 24, 2013

chem 2
A buffer solution is made using a weak acid, HA. If the pH of the buffer is 1.0 × 101 and the ratio of A– to HA is 10, what is the pKa of HA?
July 19, 2013

chem 2
A buffer solution is made using a weak acid, HA. If the pH of the buffer is 1.0 × 101 and the ratio of A– to HA is 10, what is the pKa of HA?
July 18, 2013

Chem 2
At 25 °C only 0.0570 mol of the generic salt AB is soluble in 1.00 L of water. What is the Ksp of the salt at 25 °C?
July 18, 2013

Literature
What was a tense or exciting moment in A Raidin in the Sun and Antigone? What literary device was used?
July 14, 2013

algebra
Write the equation of the line in slope-intercept form that passes through the point (3, -2) and has a slope of 2.
July 11, 2013

Algebra
Calculate elements the listed element for the product matrix. matrix[1, 2, -3_3, 4, 0_-9, 7, 8_9, 3, 2]Xmatrix[11, 7, 9, -5_5, -9, 1, 6_4, 2, -3, -8] Can someone please help me with this. I'm desperate.
May 18, 2013

sew
A chemical substance that causes dyes to set is called?
April 21, 2013

History
According to King, how did the Vietnam War affect U.S. policy at home?
April 20, 2013

Economics
What describes a tax that is assessed according to benifits received principle? a.) Thosew who recieve direct payment of the money tha tax generates are the people who pay the tax b.) Those who pay the tax recieve the benifits the tax provides. c.)One group recieves benefits ...
April 11, 2013

Math
2 root 2 sin 2t + 2 root 3 tan 2t = 0
April 10, 2013

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