Nicholas
Most popular questions and responses by Nicholas
history
How was the rule of Cardinal Richelieu different from that of Henry IV? a Cardinal Richelieu improved the French economy. B. Cardinal Richelieu reduced the size of the French military. C. Cardinal Richelieu gave local nobles more power. D. Cardinal
asked on March 13, 2019 
Algebra
Find the balance in the account, 4,000 principal earning 6% compounded annually after 5 years.
asked on March 7, 2013 
chemistry
8.22 g of CuNO3 is dissolved in water to make a 0.590M solution,what is the volume of the solution
asked on March 17, 2014 
math I NEED HELP RIGHT KNOW
1. 1/10 x 3/4 A.15/2 B.2/15 C.3/40 D.40/30 2.4/5 of 40 A.32 B.1/32 C.12 D.44/5 3.1/3 of 3 A.1/18 B.1/3 C.1 D.1/9 this is the Lesson 4: Multiplication of Fractions Review Math 6 A Unit 7: Multiplying and Dividing Fractions quiz, so if you know the rest
asked on December 13, 2017 
chemistry
If heat of reaction, Ca(s) + 2H+(aq) Ca2+(aq) + H2(g) , is  544 kJ/mol, heat of reaction, CaO(s) + 2H+(aq) Ca2+(aq) + H2O(l) , is 192 kJ/mol. and heat of formation of water is 286, what is heat of CaO? i found that the formation of CaO is 638. However,
asked on February 11, 2007 
physics
A helicopter flies 65km [N32°E] then 42km[E 21°] determine the total displacement of the helicopter.
asked on November 18, 2017 
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
asked on April 2, 2012 
math
choose the graph that shows the soulution of the inequality on the number line n>4 a b c d
asked on May 1, 2019 
History
What is the correct order of the social pyramid of Spanish colonial society? Place the highest class at the top and the lowest class at the bottom. A. creoles B. mestizos and mulattoes C. Africans and Native Americans D.peninsulares My awnsers D A B C
asked on April 29, 2019 
Math
Use arrow notation to describe the translation of point P(–5, –4) to point P′(–8, –7).
asked on May 29, 2019 
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?
asked on April 29, 2014 
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
asked on May 30, 2011 
History
Why did the Puritans move to New England? Please help ms. Sue A.They were trying to escape poverty and famine. B.They hoped to find gold and other riches. C.They wanted to practice their own religion.** D.They were forced into exile by the British
asked on April 23, 2019 
Physic
you have to push with a force of 200N to slide a refrigerator across a floor at constant velocity.What is the force of friction acting on the fridge?
asked on December 7, 2016 
physics
find the electrical enery expended by electric lamp labeled 100w in 8 seconds
asked on May 1, 2019 
History
1. what means did Portuguese explorers use to establish trading posts in India, Persia, and Southeast Asia? A. They signed agreements between local rulers and the Portuguese king B. They worked with the native people to establish diverse colonies*** C.
asked on April 30, 2019 
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
asked on September 22, 2015 
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?
asked on October 10, 2012 
Precal
A hotair 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
asked on December 2, 2010 
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?
asked on June 24, 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?
asked on October 19, 2011 
math zscore
Henry's zscore 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 zscores)
asked on May 16, 2011 
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) =
asked on February 17, 2007 
Geometry
A gasoline truck is a cylindrical tank(think "sideways" cylinder) that is 20 feet long and 6 feet in diameter. At the end of his work day, the driver measures the depth of gasoline in the tank at 18 inches. How many gallons of gas are in the tank?
asked on April 27, 2017 
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?
asked on November 25, 2015 
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?
asked on September 4, 2008 
Math
A Two Digit Number is such that the sum of the ones digit and the tens digits is 10.if the digits are reversed the number formed exceed the original number by 54,find the number?
asked on April 11, 2019 
math
Sebastian rides his bike 2,000 meters in five minutes. How many meters does he bike in 1 minute
asked on November 28, 2016 
chemistry
If heat of reaction, Ca(s) + 2H+(aq) Ca2+(aq) + H2(g) , is  544 kJ/mol, heat of reaction, CaO(s) + 2H+(aq) Ca2+(aq) + H2O(l) , is 192 kJ/mol. and heat of formation of water is 286, what is heat of CaO? Ca(s) etc is equation 1. CaO + 2H^+ etc is equation
asked on February 10, 2007 
Chemistry
A student is given a 5.000g sample to analyze composed of tin metal with a small amount of a zinc impurity. The student dissolves the metal in concentrated nitric acid, allows the reaction to continue to completion, and heats the mixture to leave 6.341g of
asked on September 18, 2017 
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?
asked on March 10, 2015 
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
asked on October 21, 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 + ...)
asked on August 4, 2009 
4th grade
I don't get the notes on the bass clef I get confused do any of you people know all of the notes
asked on February 13, 2009 
Math
How many 250ml cups can I fill up if I have a 4 liter jar
asked on April 30, 2017 
chemistry
a graduated cylinder containing 75.0 mL of water has a mass of 149.86 g. A piece of metal is added to the cylinder and the volume of the water changes to 86.3 mL. The mass of the graduated cylinder, water and metal rises to 218.90 g.
asked on September 18, 2016 
Math
What are the least and greatest numbers written in the hundredths that could round to 164.8 and explain your answer?
asked on November 13, 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,
asked on January 12, 2012 
English 11 B
What element should readers consider when exploring how different literary genres approach the same subject?
asked on January 16, 2019 
Physics
Two trains approach each other at a railroad crossing. Train 1 travels 80 km/h and Train 2 travels 50 km/h. They both sound their horns before passing each other, emitting sound waves at 300 Hz. The speed of sound is 343 m/s. At what frequencies does a
asked on October 2, 2016 
6th grade math
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 twentyeight. HELP ME PLEASE!!
asked on November 25, 2012 
Math
Simplfy 10^1 x 10 ^2 x 10 ^1
asked on February 26, 2011 
3rd grade
Need help unscrambling these letters: eeiochrs
asked on February 3, 2010 
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?
asked on September 7, 2009 
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=10msm2
asked on May 14, 2012 
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
asked on August 4, 2009 
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
asked on February 17, 2007 
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
asked on December 10, 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?
asked on January 10, 2013 
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
asked on February 13, 2011 
Homework
What 5 leter words can you get out of these letters: eeiochrs I already got: chores, choir, chore, cheer  need 2 more
asked on February 3, 2010 
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
asked on August 4, 2009 
music
how we named the note that is above the first line on the bass clef?
asked on February 13, 2009 
6th grade
what are the four long periods of history as defined by western societies
asked on 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?
asked on September 29, 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.
asked on January 14, 2008 
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
asked on June 5, 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+11)/(2x+1)] ... i'm confused about why there is a minus 1 after the
asked on February 17, 2007 
Algebra
a boat is taking a cruise to a remote island 800 miles away. The trip downstream with current is 8 mile per hour. the return trip upstream against current is 10 hours. find the speed of the boat in still water and speed of current
asked on January 31, 2018 
Algebra
9!6!/ (93)!
asked on October 8, 2015 
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.
asked on April 9, 2013 
Geometry
For what values of x and y musy ABCD be a parrallelogram
asked on February 16, 2013 
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?
asked on October 20, 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
asked on February 26, 2011 
math
solve using the elimination method. If the system has no solution or infinite number of solutions a state this 4x6y=30 3x5y=24
asked on 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
asked on February 13, 2011 
science
Why do projectile motoin follow a parabolic path way
asked on July 24, 2018 
Maths
Ben gives 1/3 of his annual savings to charity he spends 3/5 of the rest on domestic bills. 1. What fraction of his savings does he spend altogether 2. Find the fraction of his savings left.
asked on February 14, 2017 
word problem
Tamika is helping her father make shelves measuring 12x16" how many can be cut from a 48x72" piece of plywood so there is no waste?
asked on November 1, 2016 
geography
what is the term for "products of the human imagination that please and entertain us and teach a cultures values"
asked on October 23, 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.
asked on September 7, 2014 
Algebra 2
Simplify the Expression. 2m^2  5n^2 + 6n^2  8m
asked on September 1, 2014 
ethics and moral reasoning
Robinson describes magnanimity as the mean between the extremes of
asked on August 18, 2014 
world history
What are two positive and negative and things about civilization
asked on September 17, 2013 
math (please help!)
What is the sum of all the constants k such that x^2−169−x−k=0 has three distinct real roots?
asked on August 7, 2013 
ela, english
TRUE OR FALSE: It is imperative that you pace yourslef because of a test is timed?
asked on April 11, 2013 
intermediate algebra
solve each formula for the specified variable, yy^1 = m(xx^1) for x
asked on August 28, 2012 
calculus
A force of 13 N is needed to keep a spring with a 2kg 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.
asked on July 16, 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=10msm2
asked on May 14, 2012 
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?
asked on May 16, 2011 
medical assisting
imformation should include____________,_____________, and ________, procedures
asked on April 5, 2011 
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
asked on November 1, 2010 
Social Studies
I am looking for facts about Theodore Roosevelt for a project.
asked on February 15, 2010 
just want 2 know
if people don't think troy was a real place why is it in so many history books...
asked on January 10, 2010 
Science 8th grade
What is the mass of a piece of aluminum that has a volume 100.0^3?
asked on October 26, 2009 
math
how to solve negative output problems
asked on September 21, 2009 
8th grade
What Do Race Car Drivers Really Do?
asked on April 2, 2009 
math
what is the answer240/20multiply613plus41
asked on August 26, 2011 
arithmetic
What are the multiples of 3
asked on December 11, 2008 
Geography
What is the importance of a state capital?
asked on September 15, 2008 
Pre Algebra
_12 + 4n = 6(n2)
asked on May 13, 2008 
history
Who was Minnesotas first school teacher
asked on May 7, 2008 
science
what are the five groups of vertrbats?
asked on November 21, 2007 
Paul Martin
Who knows what website I can go to for some baby pictures of Paul Martin? It is for my social studies project. Thankz:P I did an internet check and found only pictures of the Prime Minister as an adult. I suggest you try finding a biography in your
asked on December 15, 2006

clothing and textile
Reasons for controlling fullness
posted on May 28, 2019 
physics
I need the full answer of the question
posted on May 8, 2019 
ss
b
posted on May 7, 2019 
Health
I'm not even in the same school and you guys have the same quick check that I do. wow.
posted on May 6, 2019 
Art
For NCA B D A C D B D D D B
posted on May 2, 2019 
Art
he has two of them wrong, 8 and 7 are both d.
posted on May 2, 2019