Brit
Popular questions and responses by Brit
Calculus :)
Find the volume of the solid formed by rotating the region enclosed by y=e^(3x)+2, y=0, x=0, x=0.4 about the xaxis.
asked on August 22, 2011 
Calculus :)
If 8000 dollars is invested in a bank account at an interest rate of 10 per cent per year, find the amount in the bank after 11 years if interest is compounded annually ____ Find the amount in the bank after 11 years if interest is compounded quaterly ____
asked on August 22, 2011 
Calculus :)
A rectangle is inscribed with its base on the xaxis and its upper corners on the parabola y=6–x^2. What are the dimensions of such a rectangle with the greatest possible area? Find Width=____ & Height=4 just need to find width.. is not 2
asked on July 26, 2011 
History
What was one way in which african Americans helped the revolutionary war effort? A. They convinced native Americans to join the army B. They joined with women's groups to write petitions C. They protested the war outside british parliament D. They raised
asked on January 5, 2015 
Physics
3. Consider a freely falling object. a. What is the acceleration (in m/s2) after 5 seconds of fall? b. What is the acceleration (in m/s2) after 10 seconds of fall? c. What is the velocity (in m/s) after 5 seconds of fall? d. What is the velocity (in m/s)
asked on May 19, 2017 
Honor Stoichiometry
2AgNO3 + BaCl2 ==> 2AgCl + Ba(NO3)2 How many grams of silver chloride are produced from 5 g of silver nitrate reacting with an excess of barium chloride?
asked on March 23, 2011 
Math
Simplify the expression. 3x + 4(x  6)  3(x  7) A. 4x  45 B. 4x  3 C. 10x  3 D. 10x + 45 Is it b?
asked on December 15, 2014 
PHYSICSURGENT HELP
A stationary police car emits a sound of frequency 1200 Hz that bounces off of a car on the highway and returns to the police car with a frequency of 1250 Hz. The police car is right next to the highway, so the moving car is traveling either directly
asked on July 29, 2011 
Algebra
Solve. 9  c < 2 or 3c > 15. I think it's c < 7 and c < 5 . Would you the two arrows facing each other?
asked on October 17, 2019 
History
Which of the following correctly describes the flow of commodities in the triangle trade? A. Cubas rum is traded for slaves in New England. The slaves are brought to Cuba to grow sugar. Cuban sugar is exported to New England, where it is distilled into rum
asked on January 5, 2015 
Chemistry
Calculate the maximum mass of calcium metal that should be used in an equivalent mass determination, with a 100 ml gas measuring tube for collection. Assume 80 ml of hydrogen gas at standard conditions for the purposes of calculation.
asked on November 27, 2012 
algebra I
What is the expression for "the difference between five times a number and twice that number"?
asked on February 16, 2011 
Math (need help with working)
Show that gh(2)= 14 g(x) 2x+1/x1 and h(x) 4x+3/x2 Is it 2(4x+3/x2)/x1 and i work from there?
asked on September 15, 2009 
algebre
The number of customers that visit a local small business is 51,200 and has been continuously declining at a rate of 3.8% each year. What is the approximate number of customers that visit the business in 14 years?
asked on March 21, 2013 
9th grade
During what phase does crossingover occur? A. prophase I B. metaphase I C. anaphase I D. telophase I
asked on December 18, 2009 
Algebra
I have a few questions that I need help with. Solve the radical equation, and check all proposed solutions. 5. x square root 3x2=4 I don't understand this problem. Solve and check the equation. 10. (x^2+14x+49)^3/420=7 would I have to multiply each
asked on August 18, 2007 
calculus
please help! having issue with exponent part of problem. I come to 16x^4 but I think it should be 16x^3.i also have complications with finding the domains. find the derivative of the function using the definition of derivative. f(x)=4x^4 f'(x)=? State the
asked on February 5, 2018 
science
the density of water approximately 1.00 g/mL. Would the piece of wood in the previous question (#1) float or sink
asked on September 10, 2016 
Language arts
Which of the following is the most significant event in the plot following Johnny's accident? A. Johnny realizes that Rab and his uncle are Whigs. B. Rab teaches johnny how to ride goblin. C. Mrs lapham recruits mr. Tweedie to replace johnny in the
asked on December 12, 2014 
statistics
25% of the students in an English class of 100 are international students. Find mean, and standard deviation of this binomial distribution
asked on December 7, 2011 
math
A farmer plans to enclose a rectangular region, using part of his barn for one side and fencing for the other three sides. If the side parallel to the barn is to be twice the length of an adjacent side, and the area of the region is to be 512 ft2, how many
asked on September 24, 2011 
Calculus
Given f'(x)=7cosx–11sinx and f(0)=1, find f(x)= ____?
asked on July 25, 2011 
CALCULUS!
Consider the function f(x)=4x^3–2x on the interval [–2,2]. Find the average or mean slope of the function on this interval. __14__ By the Mean Value Theorem, we know there exists at least one c in the open interval (–2,2) such that f(c) is equal to
asked on July 21, 2011 
Texas History
How did the law of April 6,1830 change relations betweens Texas and the Mexican government?
asked on November 30, 2010 
chemistry
how many kilojoules of heat are absorbed when 1.00L of water is heated from 18 degrees celsius to 85 degrees celsius?
asked on March 22, 2010 
PreCalc
Verify the Identity. cos^4xcsc^2x = csc^2x + som^2x  2
asked on November 1, 2017 
PreAlgebra
Matthew is 5 years older than twice the age of his sister. If Matthew is 13, how old is his sister? 3 4 9 31 I think she is 3 or 4
asked on November 3, 2016 
chem
How many moles of H2O are needed to react with 15.0g of CaO forming Ca (OH)2 CaO + H2O > Ca (OH)2
asked on November 7, 2015 
chemistry
Calculate the freezing point of 0.5 g of biphenyl in 20.0 mL of cyclohexane. Cyclohexane Fp = 6.5 degrees C Kf 20.01
asked on September 9, 2015 
SS
Monitor the strength of democracy in the eight countries of South Asia by looking at the fairness of most recent elections, the existence of a free press, the strength of the judiciary, and the depth of involvement of the nations’ citizens. Explain which
asked on May 13, 2015 
SS
could you explain democracy in south asia
asked on May 13, 2015 
Math
Julia spends 5/9 of her vacation at summer camp. She spends 3/4 of the remaining time at her grandparent's home. The remaining 7 days she spends at the seashore with her family. How many days of summer vacation does she get each summer?
asked on March 23, 2015 
Language arts
which of the following is part of the novels rising action? A. johnny's growing role delivering messages and acting as a spy for the whigs B. Dr. Warrens imminent surgery on johnnys hand C. The battle on the Lexington green on the morning of April 19, 1775
asked on January 6, 2015 
English
How has the political climate of boston changed since the beginning of the book? A. Previously, Bostonians considered themeselves loyal british subjects, but after parliament pass the tea act, they thought of themeselves as citizens of an independent
asked on December 16, 2014 
algebra
A boat can travel 29 mph. If it travels 217 miles with the current in the same lenght of the time it travels 189 against the current? What is the current
asked on November 17, 2014 
chemistry
You have a 1.0 M stock solution of H2SO4 in a large flask. You need to dilute this to make a 0.25M solution of H2SO4 for an experiment. If you need exactly 100.0mL of the diluted solution, how would you make the diluted solution?
asked on July 29, 2014 
Health
f a patient is unemployed, it may be helpful to provide ________ along with addiction treatment. A. Anger management B. Career counseling C. 12step program D. Marriage counseling is it B? or is it C? i am so stuck on this one
asked on June 29, 2014 
ECCE
Connectionist models provide evidence that a) infants begin life with specialpurpose knowledge systems. b)neural networks are initially weak, sufficient only to support looking behavior. C) connections between units change very little with age
asked on May 19, 2014 
geometry
Please use this for the portfolio. You will need graph paper. 1. Start with Triangle ABC with vertices: A(0,2), B(2,5), C(3,0) 2. Find slope of side AB and BC 3. Now TRANSLATE the Triangle 4 units left, and 2 units up (x4,y+2) and give the new vertices to
asked on April 7, 2014 
College Chemistry
In your experiment you weigh out 0.995 g NaHCO3. How much 1.0 M HCl should you add to get the most NaCl?
asked on February 1, 2014 
math
if the expression(2ya)4 is equivalent to 16y8 what is the value of a
asked on September 15, 2013 
BT
What's the shortcut of sane in stenography?
asked on June 5, 2013 
chemistry
A 1.70 g sample of a certain metal reacts with acid to liberate 380 mL of hydrogen gas, when collected over water at 20 Celsius and over 720 torr. What is the equivalent mass of the metal?
asked on November 27, 2012 
Chemsitry
Stomach acid is essentially 0.10 M HCl. An active ingredient found in a number of popular antacids is CaCO3. Calculate the number of grams of CaCO3 needed to exactly react with 250 mL of stomach acid. CaCO3(s)+ 2HCl(aq)= CO2(g)+ CaCl2(aq)+ H20(l)
asked on November 13, 2012 
Chemistry
Stomach acid is essentially 0.10 M HCl. An active ingredient found in a number of popular antacids is CaCO3. Calculate the number of CaCO3 needed to exactly react with 250 mL of stomach acid. CaCO3(s)+ 2HCl(aq)= CO2(g)+ CaCl2(aq)+ H20(l)
asked on November 13, 2012 
physical science
The primary voltage is still 120 V and the number of primary turns = 60, but now the power in the primary side is 3000 Watts and there is a 120 ohm resistor connected to the secondary. Find the current in the resistor, and the secondary voltage and #
asked on April 4, 2012 
shoshone
A bicycle tire decoration covers 1/9 of the circle formed by the tire. If the tire has a diameter of 26 inches, what is the area of the decoration?
asked on March 13, 2012 
Physics please help! check if its correct
A 3.00 kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform 8.00 kg cylindrical pulley. The inner diameter of the pulley is 60.0 cm, while the outer diameter is 1.00 m. The system is released from rest, and there is no
asked on February 26, 2012 
physics
a 20 kg crate is initially moving down a wall at a speed of 2.0 m/s. Determine the magnitude of the average force exerted by the person in order to stop the crate's downward motion in a distance of .50 m. The person pushes in a direction 53 degrees above
asked on January 8, 2012 
trig
Patients with acute or serious infections, such as Salmonella typhi or gramnegative bacteria causing meningitis, can be successfully treated with regular doses of Chloramphenicol. A patient weighing 150 pounds requires a dose of 850 milligrams, while a
asked on November 30, 2011 
Calculus :)
Use the substitution x=2tan(theta) to evaluate the indefinite integral 53dx/(x^2sqrt(x2+4))
asked on September 7, 2011 
Calculus :)
For the function f(x)=1/(x+1), verify f(x) is onetoone, then calculate f^1 (1/4) and (f^1)' (1/4)
asked on August 24, 2011 
Calculus :)
If 8000 dollars is invested in a bank account at an interest rate of 10 per cent per year, find the amount in the bank after 11 years if interest is compounded annually ____ Find the amount in the bank after 11 years if interest is compounded monthly ____
asked on August 24, 2011 
Calculus :)
The number of bacteria in a culture is modeled by n(t)=1550e^(0.24t) (a) The initial number of bacteria is _____ (b) The relative rate of growth of this bacterium population is _____ (c) The number of bacteria after 3 hours is _____ (d) After how many
asked on August 22, 2011 
CALCULUS:)
The region between the graphs of x=y^2 and x=6y is rotated around the line y=6. The volume of the resulting solid is ____?
asked on August 16, 2011 
CALCULUS:)
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x^2, x=y^2 about the axis x=–3
asked on August 16, 2011 
CALCULUS:)
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. x=3y^2, y=1, x=0 about the yaxis.
asked on August 16, 2011 
CALCULUS:)
Find the volume of the solid formed by rotating the region enclosed by x=0, x=1, y=0, y=9+x^4 about the xaxis.
asked on August 16, 2011 
CALCULUS:)
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3sqrtx and y=3 and 2y+2x=5
asked on August 16, 2011 
Calculus:)
Find the area of the region enclosed by y−2x^2≥0 and x+y ≤ 1
asked on August 11, 2011 
Calculus:)
Find the area of the region enclosed by y−2x^2≥0 and x+y ≤ 1
asked on August 11, 2011 
CALCULUS:)
Please help me... and show steps please :) integral from 0 to 1 of (e^x+1)/(e^x +x) dx
asked on August 9, 2011 
math
Coach Johnson is 10 years older than Tim. When Tim started football 3 years ago, Coach Johnson was twice his age. How old is Tim now? Numerical Answers Expected!
asked on August 1, 2011 
CALCULUS :)
find y' of y=sinθ tanθ sqrt(θ^3)
asked on July 26, 2011 
CALCULUS!
f(x)=(6x^3–9x^2–3x–1)/(4x^2+7x–3) . Find the equation of the nonvertical asymptote. y = ____3x/2  39/8_____ Does f(x) intersect its nonvertical asymptote? (yes or no) ___YES____ What is the smallest value of x at which f(x) intersects its
asked on July 21, 2011 
bio chem
What is the ph when 100 mL of 0.1 M NaOH is added to 150 mL of 0.2 M Hac if pka for acetic acid =4.76?
asked on July 12, 2011 
integrated science
explain pressure relations for air
asked on June 8, 2011 
math
how do i solve the problem of _____________________________ 0 14 20 i have to find out what the percentage is
asked on April 18, 2011 
Chemistry
At 25C and 1.0 atm, 0.25 g of a gas dissolves in 1.00 L of water. What mass of the gas dissolves in 1.00 L of water at 25C and 3.0 atm?
asked on March 7, 2011 
chemistry
What is the volume, in mL of .089 m lithium chloride (LiCl) solution containing 4.3g of LiCl???
asked on January 26, 2011 
chemistry
What is the volume, in mL of .089 m lithium chloride (LiCl) solution containing 4.3g of LiCl???
asked on January 26, 2011 
social studies
i need help with a acrostic for maryland
asked on January 11, 2011 
Texas History
What mexican actions led to further conficts with settlers? It was around 1830
asked on November 30, 2010 
chemistry
What metals are suitable for use as the cage around the magnesium metal?
asked on November 11, 2010 
chemistry
How many grams of H2(g)can theoretically be produced from a 5g sample of magnesium metal and excess HC1(aq)?
asked on November 11, 2010 
chem 30
how do you find solubility of Pb(NO3)2, PbCl2, PbCrO4, and PbS
asked on November 1, 2010 
business
o What are the advantages of the four different special journals? When would you use each type? o What is a subsidiary ledger and what purpose does it serve? o What is a control account and what purpose does it serve? o Which two general ledger accounts
asked on April 16, 2010 
up?
any1 up who can help?
asked on January 29, 2010 
Biology
ok give me examples of a ploymer that follows these conditions it must have at least 100 atoms it must have at least 3 monomers it must be organic, from a living thing thanks so much!
asked on November 15, 2009 
Science
Does anyone know of a website that has all of the 20 amino acids not just the name but the actual thing like coh thing? thanks so much!!!
asked on November 13, 2009 
French
does anyone know of any pictures of musée du québec in quebec thanks
asked on November 13, 2009 
Social Studies
Was Hector in the Trojan War mentioned in the Iliad or Odessey by homer? thanks:)
asked on November 12, 2009 
hsm
caluculate the fixed cost, variable costs, and breakeven point for the program suggested in appendix d
asked on October 30, 2009 
Physics
what does it mean to have a constant acceleration does that mean that a= 0 or a=x? I particularly need help with::::>> Suppose the pilot, starting again from rest, opens the throttle only partway. At a constant acceleration, the airboat then covers a
asked on October 24, 2009 
chemistry
What is the balanced equation for the combustion of 1.00 mol of camphor, C10H16O(s). I searched the web, but cant find anything, can someone pleas help?
asked on December 8, 2008 
history 5
What was the predominant view concerning the relation between humans and the divine?
asked on October 5, 2008 
8th grade
ok ihave three problems for homework in algebra 1 honors Y+3=3+Y 6*1/2Y=3*2 3/4+Y=0.75+Y
asked on August 22, 2008 
algebra2
(3b2)/b+1=4(b+2/b1) please help
asked on April 28, 2008 
algebraII
3b2/b+1=4b+2/b1 please help me I'm stuck
asked on April 28, 2008 
frogs
What is the finger like bodies of fat atttached to the testis. Stores enough food energy to alow the frog to hibernate during winter.
asked on April 27, 2008 
literature
when are the follwing lines spoken?
asked on January 30, 2008

algebra
The sum of two numbers is 49. One number is 3 more than the other
posted on April 27, 2020 
US history
but wait for a teacher to help you
posted on November 20, 2019 
US history
i think ur right
posted on November 20, 2019 
math
Use a calculator. I got A but wait for a tutor to actually help. I think oobleck and Damon are math tutors so wait for them
posted on October 17, 2019 
English
There's more than one version of the test, like Jazmine said, most answers are on quizlet. To make it easier hit Ctrl+f and open a search bar and type some of the question into there so you can find it easier. Unless the answers come with the questions
posted on November 16, 2018 
Science
I chose Arsenic because it has the greatest mass and also in the same family.
posted on April 26, 2018 
PreCalc
I'm sorry I meant sin
posted on November 1, 2017 
algebra
15/8
posted on August 15, 2017 
Health Part 2
Were they right
posted on February 16, 2016