Tuesday
May 3, 2016

# Posts by nicholas

Total # Posts: 104

chemistry
How many grams of bismuth (III) chloride can be produced from 575 mL of chlorine gas at STP when reacting with excess bismuth metal?
November 25, 2015

Algebra
9!-6!/ (9-3)!
October 8, 2015

Physics
A 6.08 kg box sits on a ramp that is inclined at 37.4 ∘ above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.30. What horizontal force is required to move the box up the incline with a constant acceleration of 4.30 m/s2 ?
September 22, 2015

English
C. Parson Brown said we’re all our brothers keepers.
June 10, 2015

English
A. Parentheticals aren’t crucial to the meaning of a sentence.
June 10, 2015

Science
An elevator lifts 5 passengers 30 meters in 24 seconds. The power is 15,000w. What is the total weight of the elevator and passengers?
March 10, 2015

geography
what is the term for "products of the human imagination that please and entertain us and teach a cultures values"
October 23, 2014

Mathematics
here's what i have so far but i think it's wrong: s/d+e = 7.0 s=7d +7e n/e = .80 n= .80e .80e/(7d + 7e) if that's even correct, i do not know. but if it is, then i get confused because i know d + e = a, but i don't know what to do with the 7s in front of d and ...
September 7, 2014

Mathematics
Assume that S/A = 7.0, D/A = .40, N/E = .80 and A = D + E. Solve for N/S. I'm lost. Does anyone have any tips? Thank you.
September 7, 2014

Algebra 2
Simplify the Expression. 2m^2 - 5n^2 + 6n^2 - 8m
September 1, 2014

ethics and moral reasoning
Robinson describes magnanimity as the mean between the extremes of
August 18, 2014

Chem
Please help how to set up How many grams of CuSO4 * 5H2O are needed to prepare 100.ml of a 0.10 M solution?
April 29, 2014

chemistry
8.22 g of CuNO3 is dissolved in water to make a 0.590M solution,what is the volume of the solution
March 17, 2014

ap physics
A spherical comet of mass m and diameter is d, travelling at velocity v enters a cloud of stationary cosmic meteoroids (small rocks). The average density of the cloud is p. When a meteoroid impacts the comet it adheres to its surface. As a result the comet slows down and after...
December 10, 2013

world history
What are two positive and negative and things about civilization
September 17, 2013

August 7, 2013

What is the sum of all the constants k such that |x^2−169|−x−k=0 has three distinct real roots?
August 7, 2013

math
Thank you.
August 7, 2013

ela, english
TRUE OR FALSE: It is imperative that you pace yourslef because of a test is timed?
April 11, 2013

american history
For revolutionaries like Sam Adams, what term embraced a way of life, a core ideology, and an uncompromising commitment to liberty and equality.
April 9, 2013

Algebra
Find the balance in the account, 4,000 principal earning 6% compounded annually after 5 years.
March 7, 2013

Geometry
For what values of x and y musy ABCD be a parrallelogram
February 16, 2013

math
A type of bacteria reproduces by splitting in two every thirty minutes. How many bacteria will there be after 4 hours if there are 2 bacteria to begin with?
January 10, 2013

Can't figure this math problem out: Write an algebraic expression for the product of five less than a number and three, less eight, is twenty-eight. HELP ME PLEASE!!
November 25, 2012

Math
What are the least and greatest numbers written in the hundredths that could round to 164.8 and explain your answer?
November 13, 2012

Math
A garden against the wall of a house is to be surrounded on three sides by a total of 336m of fencing. What dimensions of the garden will result in an area of 14,112m^2?
October 10, 2012

intermediate algebra
solve each formula for the specified variable, y-y^1 = m(x-x^1) for x
August 28, 2012

calculus
A force of 13 N is needed to keep a spring with a 2-kg mass stretched 0.25 m beyond its natural length. The damping constant of the spring is c = 8. If the mass starts at the equilibrium position with a velocity of 0.5 m/s, find its position at time t.
July 16, 2012

Chemistry
The above is incorrect and finds ratio chalcopyrite to ore. Not Cu to ore.
May 25, 2012

Science
A boy exerts a force of 15N to push a motor bike which has flat tyre for a distance at 30m.calculate the mass of the motor bike. Calculate the density of the motor bike.calculate the work done by the boy.[take g=10m|sm2
May 14, 2012

Science
A boy exerts a force of 15N to push a motor bike which has flat tyre for a distance at 30m.calculate the mass of the motor bike. Calculate the density of the motor bike.calculate the work done by the boy.[take g=10m|sm2
May 14, 2012

chemistry
I balanced an equation between lead(II) nitrate and potassium sulfate and ended up with: Pb(NO3)2 + K2SO4 --> PbSO4 + 2 KNO3 If 0.87 moles of potassium sulfate react with an excess amount of lead(II) nitrate, how many moles of lead(II) sulfate would be formed? I know I ...
April 2, 2012

physics
a car mass 100kg is moving up on incline of 15 degrees with horizontal.the enginr of the car applies a force of 5000n the confficient of kinetic friction between the surface of th tyic and road is 0,2.draw a free body diagram showing all the forces actin on the car
January 25, 2012

American Literature
I am writing a critique for my American Literature class on The Great Gatsby and I am so stuck. I don't know exactly how to prove my thesis. I need four different points. My thesis: Gatsby achieves the American dream by becoming quite successful; however, achieving the ...
January 12, 2012

Social Studies
What countries in South America have the highest elevation?
November 17, 2011

lol yes it is
November 14, 2011

Its really line 15
November 14, 2011

algabra
cubes 1 and 2 are similar if the volume of cube 2 is 45 and the scale factor between sides of the two is 2:3 what is the volume of cube 1?
October 20, 2011

Chemistry
CO2(g) + 2 NH3(g) CO(NH2)2(s) + H2O(g) What volumes of CO2 and NH3 at 193 atm and 450.°C are needed to produce 2.54 kg of urea, assuming the reaction goes to completion?
October 19, 2011

math
August 26, 2011

Statistics
An urn contains 8 chips, numbered 1 through 8. A sample of 3 is drawn without replacement. What is the probability that the largest chip in the sample is a 5?
June 24, 2011

math
You are given the probability of event E. Find the odds in favor of event E and the odds against event E. a. 1/8 b. 2/5
May 30, 2011

math
Sabino took the ACT in 2003 and received a composite score of 22. If the mean and standard deviation for that year were, respectively, 20.8 and 4.8, what percent of all of the students who took the exams scored better than him?
May 16, 2011

math z-score
Henry's z-score on his reading test was 1.27. The class average was 60, the median was 58.5 and the variance was 6.2. What was Henry's "raw" score (his score before converting to z-scores)
May 16, 2011

medical assisting
imformation should include____________,_____________, and ________, procedures
April 5, 2011

PPPPPhysicssssss
kinda need it.......... assignment is due in 15 minutes....
March 31, 2011

Math
Which is a prime factorization? a. 5^2 x 7^2 x 18^3 b. 5^3 x 7^2 x 19^2 c. 6^2 x 7^3 x 18^2 d. 4^2 x 5^2 x 15^3
February 26, 2011

Math
Simplfy 10^1 x 10 ^-2 x 10 ^-1
February 26, 2011

math
solve using the elimination method. If the system has no solution or infinite number of solutions a state this 4x-6y=30 3x-5y=24
February 16, 2011

math
A 75ft diagnol brace on a bridge connects a support of the center of the bridge The horizontal distance that it spans is 15ft longer than the hieght that reaches on the side of the bridge.Find the horizontal and vertical distance spanned by this brace
February 13, 2011

math
A 75ft diagnol brace on a bridge connects a support of the center of the bridge The horizontal distance that it spans is 15ft longer than the hieght that reaches on the side of the bridge.Find the horizontal and vertical distance spanned by this brace
February 13, 2011

Precal
A hot-air balloon, headed due east at an average speed of v = 14 miles per hour and at a constant altitude of h = 120 feet, passes over an intersection (see the figure). Find an expression for its distance d (measured in feet) from the intersection t seconds later.
December 2, 2010

Networking
I was wondering if when I posted my paper, everyone would help me proof it and help me find references, I've done most of it by memory, and what I would do situations, but I need references. If you would that'd be awesome
November 1, 2010

Grammar (will you check these please)
Which of these four low-priced cars performed _________ in the tests? ( badly)
April 26, 2010

which unit makes this sentence true? Use gram ro kilograms. A CD had a mass 10
April 12, 2010

Social Studies
I am looking for facts about Theodore Roosevelt for a project.
February 15, 2010

Homework
Thank you
February 3, 2010

Homework
What 5 leter words can you get out of these letters: eeiochrs I already got: chores, choir, chore, cheer - need 2 more
February 3, 2010

Need help unscrambling these letters: eeiochrs
February 3, 2010

just want 2 know
if people dont think troy was a real place why is it in so many history books...
January 10, 2010

MLK high school
i think its (a) but i know its not b or d sorry i do not know for sure
January 10, 2010

grammar
the windows were quite cloudy.
January 2, 2010

knock on boos door and he was close to getting shoot he last his pants and had 2 go back for them
December 11, 2009

What is the mass of a piece of aluminum that has a volume 100.0^3?
October 26, 2009

science
Science Experiment Determine a mathematical modelwhich describes the height of a ball in terms of th number of bounces after it has been droped from a given height. If a ball that bounces like a tenniis ball, is dropped from a given height, then it will bounce to a height less...
October 21, 2009

it would change with it surrounding or die from the change...
September 23, 2009

math
how to solve negative output problems
September 21, 2009

no he just started the war. after he died we was still fighting the japs
September 13, 2009

Math
i am a four digit number. all of my digits are different. my first digit is twice my fourth digit. my second digit is twice my first digit.my last digit is twice my third digit. the sum of my digits is 15. what number am i?
September 7, 2009

same type of binomial theorem question
Question: Find the first 3 terms in the expansion, in ascending powers of x, of (2 + x)^6. Hence, obtain the coefficient of x^2 in the expansion of (2 + x - x^2)^6 I know the first part of the question, and the first 3 terms are (64 + 192x + 240x^2 + ...) How do i use this ...
August 4, 2009

Algebra
you're correct, x=1 and x=0
August 4, 2009

binomial theorem again
How do i do this question using the binomial theorem concept? It says, expand (2+x)^5 up to x^2 term, hence, expand (2 + x + x^2)^5 up to the x^2 term. I could do the first part, and the answer would be (32 + 80x + ...) But how should i make use of the answer i got in the ...
August 4, 2009

binomial theorem!
How do i do this question using the binomial theorem concept? It says, expand (2+x)^5 up to x^2 term, hence, expand (2 + x + x^2)^5 up to the x^2 term. I could do the first part, and the answer would be (32 + 80x + ...) But how should i make use of the answer i got in the ...
August 4, 2009

no this is a math with pizzaz riddle i need the answear
April 2, 2009

What Do Race Car Drivers Really Do?
April 2, 2009

music
how we named the note that is above the first line on the bass clef?
February 13, 2009

I don't get the notes on the bass clef I get confused do any of you people know all of the notes
February 13, 2009

arithmetic
What are the multiples of 3
December 11, 2008

what are the four long periods of history as defined by western societies
October 2, 2008

Physical Science
How can computers predict the outcome of an election soon after the polls close but before all the votes have been counted?
September 29, 2008

Geography
What is the importance of a state capital?
September 15, 2008

physics
An air bubble at the bottom of a lake 35.0 m deep has a volume of 1.88 cm^3. If the temperature at the bottom is 5.4 C and at the top 19.5 C, what is the volume of the bubble just before it reaches the surface?
September 4, 2008

Pre Algebra
_12 + 4n = 6(n-2)
May 13, 2008

history
Who was Minnesotas first school teacher
May 7, 2008

grammar
Is the abbreviation Pkwy. a proper noun? How about Mt.? It seems like mount would be a common noun since it is not with a proper noun, but it is capitalized.
January 14, 2008

science
what are the five groups of vertrbats?
November 21, 2007

math
help with solving a magic square http://www.jiskha.com/display.cgi?id=1125461237.1125498843 MAGIC SQUARES Magic squares, those seemingly innocent looking collections of numbers that have fascinated so many for centuries, were known to the ancients, and were thought to possess ...
June 5, 2007

Ancient Civilization
May 22, 2007

maximum and minimum problems when function unknown
Once you have the area of the window in terms of the width then you can think of w as x and the area as y. Graph the function and you should know how to find critical points of this function (where derivative is zero).
May 21, 2007

integration by part
s- integral s (p^5) lnp dp ? = (lnp)[(p^6)/(6)] - s (i'm confused here) Let ln p = u and p^5 dv = dv du = 1/p and v = p^6/6 The integral can be written uv - v du = (ln p*p^6)/6 - S (p^5/6) = (1/6)ln p*p^6 - ??? Complete the last step
February 17, 2007

integration by parts
s- integral s ln (2x+1)dx ? = ln(2x+1)x - s x d( ln (2x+1)) = ln(2x+1)x- s x [(2x+1)'/ (2x+1)] dx = ln(2x+1)x- s x [(2)/ (2x+1)] dx = ln(2x+1)x- s (2x/2x+1) dx = ln(2x+1)x- s [(2x+1-1)/(2x+1)] ... i'm confused about why there is a minus 1 after the integral
February 17, 2007

integration by parts
s- integral s ln (2x+1)dx ? = ln(2x+1)x - s x d( ln (2x+1)) = ln(2x+1)x- s x [(2x+1)'/ (2x+1)] dx = ln(2x+1)x- s x [(2)/ (2x+1)] ?... then i'm confused... "ln(2x+1)x- s x [(2)/ (2x+1)] ?... then i'm confused..." x [(2)/ (2x+1)] = 2x/(2x+1) = (2x+1-1)/(2x+...
February 17, 2007

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