
Statistics
Find the probability of correctly answering the first 2 questions on a multiple choice test if random guesses re made and each question has 6 possible answers. My answer is 1/36 Assume that the data has a normal distribution and the number of observations
asked by Sue on December 4, 2006 
geometry easy
The perimeter of equilateral triangle TRY is 9y+45 and TY = 2y+25 . find the perimeter of triagle TRY. The perimeter of a parallelogram ABCD is 66 cm, and DC is twice as long as BC . how long is AB ? 2 QUESTIONS .. ANSWERS PLEASE TELL ME WHAT TO DO
asked by nicole on October 22, 2013 
additional info
is there any other site like this that answers questions for free? Any that don't involve downloading software. like Jiskha. I mean this is a really good site but i want to know if this is the only free site.
asked by Yammie on June 23, 2010 
geometry easy
The perimeter of equilateral triangle TRY is 9y+45 and TY = 2y+25 . find the perimeter of triagle TRY. The perimeter of a parallelogram ABCD is 66 cm, and DC is twice as long as BC . how long is AB ? 2 QUESTIONS .. ANSWERS PLEASE TELL ME WHAT TO DO
asked by nicole on October 22, 2013 
English
1.Establishing credibility involves what? assuring the audience that what you are arguing for is for the general good, a widespread issue or problem, one that they may share with you citing authorities on the subject who support your point wholeheartedly
asked by christopher on April 20, 2010 
socials
canadian charter of rights and freedoms(misc.) right that say canadian ppl are allowed to move to any location of Canada? ( mobility?) # of official languages in canadian constitution agreeing with charter (that be french and english ?) this can dominate
asked by Mohammad on January 4, 2012 
Algebra
True or False. 1. If the radicand is a multiple of a perfect square number, then the radical is not in its simplest form. 2. The value of the cube root of 1/8 is not a real number because the radical is negative. 3. The fifth root of a negative number is
asked by Paula on July 20, 2013 
phi103
Every major religion advocates kindness and helping the poor. It’s clear that these are core human values. True or False: The statement, “Every major religion advocates kindness and helping the poor,” is a premise.
asked by meghan on January 13, 2015 
math
i'm studying for a test and i've just got a few questions.. 1If x^2+8x+m has one double root then m=? and the vertex is? 2I got 3i(s.r)5 / 5 for this problem> 15(s.r)125.. is that correct? 3Is the answer for (53i)^2 30i+ 16 ? 4is the answer to
asked by cici on February 26, 2009 
COM 220
Answer the following questions in a minimum of 500 words: Identify examples of bias, fallacies, and specific rhetorical devices in the speech. How did the speaker address arguments and counterarguments? Were the speaker’s arguments effective? Explain
asked by Anonymous on September 8, 2008 
Math pleaaaase help
A national math contest consisted of 11 multiple choice questions, each having 11 possible answers. Suppose that 111 students actually wrote the exam, and no two students has more than one answer in common. The highest possible average mark for the
asked by Mathslover on May 14, 2013 
chem
What volume of a 0.2 N NaoH solution do you expect to use in order to titrate 25ml (sample out of 250ml) of a 0.200 N oxalic acid solution? heeeelp! Equation is H2C2O4 + 2NaOH==> 2H2O + Na2C2O4 I assume that is 25.00 mL H2C2O4. milliequivalents(meq) NaOH =
asked by Melba on September 26, 2006 
Statistics
There are 3 short questions on math test. for each question, 1 mark will be awarded for a correct answer and no mark for wrong answer. if the probability that mary correctly answers a question in a test is 2/3, determine the probability that mary correctly
asked by Mikel on May 5, 2017 
Algebra 2
Find an equation of variation in which y varies inversely as x and the following is true: y=31, when x=4 Originally, I mixed up the equations of inverse and direct variation, and got 31=m(4)  b Obviously, I got it wrong, but I've gone ahead and redid
asked by Jennifer on February 15, 2017 
geometry
I tired but answers don't make since. Problem is segment CD is perpendicular bisector of segment AB. Need to find lengths of AC (9y6), AD (3x), and AE ((5x +6). Others: BE=(5x+ y), BD (x + 10) and CB (7y). Figure like a kite. HELPPPPPPPPPP.
asked by miranda on April 16, 2015 
chemistry 1
if 20.2g of zn react with and equal amount of magnesium chloride to form magnesium and zinc chloride[zn+mgcl2> mg+zncl2] a.what is the limiting reactant? b. how much magnesium will be produced? Here is the way to solve most of these stoichiometry problems.
asked by sam on May 11, 2007 
chemistry
Equal masses of gaseous N2 and Ar are placed in separate flasks of equal volume at the same temperature. Tell whether each of the following statements is true or false. Briefly explain your answer in each case. (a) There are more molecules of N2 present
asked by Gabriela on March 30, 2007 
psychology
I need feedback on my choices. Did I choose the right answers to each of the 10 questions below? If not what is the correct answer for the questions that I got wrong wrong? 1. Dr. Schmidt studies the factors that activate and direct behavior toward an
asked by Sharon on June 24, 2011 
Chemistry (Check)
Classify each of these statements as always true, sometimes true or never true. __NT___11. The SI base unit of mass is the milliliter. __AT___12. A decigram is 100 times smaller than a gram. ___ST__13. The SI unit of volume is derived from the unit of
asked by Bryan on January 19, 2007 
Trigonometry
True or False The left side of cos^4 θ + (cos^2 θ)(sin^2 θ) + sin^2 θ = 1 can be factored to cos^2 θ(cos^2 θ + sin^2 θ) + sin^2 θ.
asked by Quinn on December 20, 2018 
physics
a person standing on a moving escalator is moving relative to another person standing on the escalator true or false?
asked by Anonymous on October 14, 2012 
math/algebra
Subtract: express your answer in simplest form. 2/5  y/y2 answers a)3y2/y2 b) 3y 2/5(42) c) 3y4/5(y2) d) 3y4/y2 The way you have written the problem, is 2/5 minus y^3. I don't think that is what you meant. Please use grouping symbols on
asked by Diana on July 15, 2007 
Languege arts
1. Which is the BEST summary of "LAFFF"? (1 point) Angela used a time machine to win a writing contest. Peter and Angela invented a time machine. Peter used a time machine to travel to the future. 2. The author describes Peter's Halloween costume in order
asked by Erin on February 7, 2013 
Algebra
Okay i have a few function questions im gonna post. Im completely confused with these so any help would be great. Minimum or maximum value of: f(x)=2x^2+4x+1 and f(x)=x^23x+2 then if f(x)=x^2+9 and g(x)=x4, find (g*f)(3) next is if f(x)=x^3+x^2x1 and
asked by Colin on December 13, 2007 
AP World Civilizations
I have to take cornell notes on each chapter of my book. Right now I am on chapter 8. The subject is African Civilizations and the Spread of Islam. I am having troubles coming up with questions to ask. Does anyone have any suggestions of types of questions
asked by Kiley on November 5, 2008 
??????
are new people her during the summer?for ppl who need help with summer school? Most of us teachers answer questions on the Jiskha board all year round. :) We'll be glad to help all students whenever they post questions. P.S.  We're all volunteers and
asked by Anonymous on July 5, 2006 
science
The true speed of a moving car on the Earth, if you want to be very precise, would be the speed of the car with respect to the ground Is this true? yeah it is true yeah it is true The true speed of a moving car on the Earth, if you want to be very precise,
asked by Haley on May 10, 2007 
Precalculus
Every point in the plane has exactly two polar coordinates. A)The statement is true because every point in the plane has a unique polar representation. B)The statement is false because left parenthesis r comma theta right parenthesis equals left
asked by Brian on January 12, 2017 
math,algebra
can someone just set up the equations for me for this problem. thanks... Problem #1 A plane took 1 hour longer to travel 560 miles on the first portion of a flight than it took to fly 480 miles on the second portion. If the speed was the same for each
asked by jasmine20 on April 17, 2007 
math
A)if a sum invested dains 10% each yr, how long it will take to duoble its value? B)if an object depreciates in value by 10% each yr, how long will it take until only half of the original value remains? C)why aren't these two answers (A & B) the same? D)is
asked by Anonymous on March 6, 2010 
Partial Differential Equations
Problem 4.4 Suppose n o and n e are given. In (a) you only need to find the magnitude of the group velocity. Problem #2 in HW 10 may be helpful. You can also directly use the definition of group velocity, i.e., v g = triangle k w (k), taking into account
asked by Joy on November 12, 2013 
Physics (Please Help)
Problem 4.4 Suppose n o and n e are given. In (a) you only need to find the magnitude of the group velocity. Problem #2 in HW 10 may be helpful. You can also directly use the definition of group velocity, i.e., v g = triangle k w (k), taking into account
asked by Joy on November 14, 2013 
arithmetics
I still don't understand how you got those answers?drbob how did you get 0.75 divided by 112.50? can someone else help me understand? #6 After an article is discounted at 25% it sells for $112.50. The original price of the article was? answer 150.00 #7 A
asked by chrisssy on August 1, 2007 
fractions
fraction word problem. please advise on how to work the problem Phillip and Jane had a pie each. Phippip ate 1/4 of his and Jane ate more of the pie than Phillip. Which fraction of his pie could Jane have eaten. Possible answers: 2/5 1/6 2/8 or 1/8
asked by Suzanne on June 10, 2011 
PHI 103
After being told that she is being punished for lying, a child responds by telling her mother that she also lied. This response may involve which fallacy? Ad homimen (tu quoque) Ad verecundiam (ex libris) Ad misericordiam (ex ante) Ad baculum (antebellum)
asked by Siri on December 16, 2011 
(Math) Help me solve this Pls.
Write a linear system of equations that can be used to solve these problems. Then, solve to get your final answer 1. An exam worth 145 points contains 50 questions. Some of the questions are worth two points and some are worth five points. How many two
asked by LadyPhantomhive on January 5, 2016 
math
Can someone please double check my answers (My answers are in Capital) 1. If you produce a million products a day and you want to test ten of them to determine if they are up to standard, which ones will you choose? a. The second ten B. TEN RANDOM UNITS c.
asked by mysterychicken on June 17, 2013 
algebra
Compound interest word problem. Suppose JJ has $1000 that he invests in an account that pays 3.5% interest compounded quarterly. How much money does JJ have at the end of 5 years? Formula: A= The amount of money earned after a certain length of time. P=
asked by Mike on August 1, 2017 
trigonometry
5.Find the complete exact solution of sin x = √3/2. 10. Solve cos 2x – 3sin x cos 2x = 0 for the principal value(s) to two decimal places. 12. Solve tan^2x + tan x – 1 = 0 for the principal value(s) to two decimal places. 19.Prove that tan^2a – 1
asked by Jose on December 16, 2012 
PE
Your life expectancy can be related to the overall wellbeing of your body, your mind, and your relationships with other people. (true ***) or false Which side of the health triangle corresponds to having loving relationships with other and giving and
asked by Hailey on August 22, 2016 
Physics
The velocity vector V1 has a magnitude of 4.0 m/s and is directed along the +xaxis. The velocity vector V2 has a magnitude of 3.0 m/s. The sum of the two is V3, so that V3 = V1+V2 A. The xcomponent of V3 can be 3.0 m/s B. The magnitude of V3 can be 8.0
asked by Jim on January 22, 2014 
physics
The velocity vector V1 has a magnitude of 3.0 m/s and is directed along the +xaxis. The velocity vector V2 has a magnitude of 2.0 m/s. The sum of the two is V3, so that V3 = V1+V2 True False The magnitude of V3 can be 3.0 m/s The xcomponent of V3 can be
asked by Anonymous on September 22, 2010 
physics
The velocity vector V1 has a magnitude of 3.0 m/s and is directed along the +xaxis. The velocity vector V2 has a magnitude of 2.0 m/s. The sum of the two is V3, so that V3 = V1+V2 true for false The magnitude of V3 can be 3.0 m/s The xcomponent of V3
asked by Anonymous on September 22, 2010 
Chemistry
I need to take some following samples of these: *a hydrocarbon w/a molecular mass greater than 100 g/mo *something w/ Lcarvone or Dcarvone in it *a nonelectrolyte that dissloves in water *something w/a pressure greater than 2.o atom *a proton donor can
asked by VaNeSsA on February 5, 2007 
math
The grass of a lawn grows slower the larger it gets. The length of the grass L is expressed in cm and the growth of the grass W in mm/day. If the grass is 2.7 cm tall at the end of day X, than it will be taller than 4cm 20 days later (assuming it will not
asked by jacob on April 3, 2016 
math
algebra in 8th your teacher is giving you a test worth 100 points containing 40 questions. There are twopoint and fourpoint questions on the test. how many of each type of questions are on the test?
asked by R on February 7, 2010 
English
What do you lack in? What do you lack? I lack in common sense. I lack humor. I lack in patience. I lack in teamwork. I lack in _________ (Are the questions and answers all correct? Would you let me know more expressions suitable for the blank? Thank you.)
asked by John on June 14, 2009 
chemistry
a sample of nitrogen gas has a volume of 1.00 l at STP What is the temp in Celsius if the volume is 10.0 L at 2.00 atm * I know to use the combined gas law, and I got the question wrong in my homework assignment, reviewing for a test today please help.
asked by James on November 21, 2011 
Algebra
I have 3 questions with my answers and would like you to check them. If they're wrong, then please provide and explanation to how to do them. Thank you tutors. Write each sentence as an equation. 1. Eight less than 1/3 a number n is 13. My answer: 1/38n
asked by anon on December 3, 2015 
algebra
f(X) = p(1+ r/n) nt The principal is 50,000 The time is 3years the rate is 4%
asked by Beatrice on December 5, 2011 
Fianance
A bond’s value is the same as its principal amount when the coupon rate is
asked by Suzymae on May 22, 2012 
Critical Analysis
how do you identify the principal issue presented by the source.
asked by Tim on November 12, 2009 
medical terminology
what is the principal procedures and services of the dermatology department?
asked by Paula on July 22, 2010 
Singh
what is the total number of orbitals associated with principal quantum no. n =3
asked by gurpreet on July 16, 2016 
Chemistry Help!
In the n = 5 principal shell, what is the maximum number of electrons that can have m1= 2
asked by Kamila on April 18, 2011 
math
interest is 67.50 and rate is 3%, and time is 3 years. What is the principal?
asked by valerie on January 2, 2013 
History/government
Make a statement that best illustrates the principal of federalism.
asked by Nicole on May 26, 2013 
Philosophy
Does anyone know any websites that have in depth answers to philosophy questions? I have to answer these: Why is the notion of control so important to Epitectus? In what senses would you call Epicurus a materialist? atomist? naturalist? Explain how
asked by Claire on July 21, 2008 
chemistry
Hii i was wondering if u cud help me solve this problem..im not sure how to start it. Calculate the delta H for the reaction of solid potassium with liquid water. If a 5.00 g piece of potassium is added to 1.00 kg of water at 24 degrees celsius what is the
asked by Anmol on November 5, 2009 
Math ~CHECK MY WORK PLEASE~
Hello, Please check my answers, with stars (*) are my answers! Please check if they are wrong please tell the right answer and why it is right (explain it) so I can understand why! Thanks! For questions 12, solve the inequality. 1.) x + 8 < 28 a~ x < 36
asked by Jenny on January 17, 2014 
physics
Your roommate gives you a cylindrical can of peanut brittle, saying that she got it for free as a promotion at the grocery store,and that she doesn’t like it because it sticks to her teeth. Just as you are about to open it, you remember that it is April
asked by ChrismB on May 16, 2016 
Algebra
You have a piggy bank containing a total of 85 coins in dimes and quarters. If the piggy bank contain $14.50, how many dimes are there in the piggy bank? Interest=principal multiply Rate multiply 1, or interest=principal multiply rate.
asked by Megan Brown on January 26, 2011 
ap government and politics
hi. my teacher assigned us 20 questions and i got most of them, but i couldn't find the answers to these 4 questions. i did try google but it didn't help much. could someone please help me? List and explain how Congress carries out its’ three primary
asked by Anonymous on May 6, 2012 
Physics
I'm trying to prep for an exam, but I am struggling with the practice questions. I have answers for both questions, but I'm 95% sure they are incorrect. 1. Two students decide to run a race. The first student starts off at a constant speed of 5 m/s while
asked by Chelsea on June 19, 2011 
Psychology
Could someone see if I got any of the questions wrong. I feel that some questions have multiple answers but there is only one that is correct. Please help. thanks a lot State whether each scenario is an example of assimilation or accommodation. 1. A child
asked by Mike on November 30, 2009 
Algebra 1
An exam consists of two parts, Section X and Section Y. There can be a maximum of 80 questions. There must be at least 20 more questions in Section Y than in Section X. Write a system of inequalities to model the number of questions in each of the two
asked by Kailey on May 7, 2012 
algebra
An exam consists of two parts, Section X and Section Y. There can be a maximum of 95 questions. There must be at least 20 more questions in Section Y than in Section X. Write a system of inequalities to model the number of questions in each of the two
asked by helen on January 11, 2014 
math
An exam consists of two parts, Section X and Section Y. There can be a maximum of 80 questions. There must be at least 20 more questions in Section Y than in Section X. Write a system of inequalities to model the number of questions in each of the two
asked by john on April 28, 2012 
history
In the advertisement "five questions to those who employ male servants" what was the main goal of the advertis advertiser? 1. to use fear to get men to enlist in the army 2. to use partiotic pride to gain support for war efforts 3. to condemn those who
asked by Ciara's Sister on December 16, 2011 
Binomial Distribution
A biology quiz consists of twelve multiplechoice questions. Eight must be answered correctly to receive a passing grade. If each question has five possible answers, of which only one is correct, what is the probability that a student who guesses at random
asked by Price on April 19, 2012 
sra JMcGuin spanish
Hi  free period  I hope to haev it completed by 7:00 pm tonight it takes me some time to type the questions nad my answers. That was why my mom suggested a private tutor so we could fax or work at my home. My advanced math tutor gets 70.00 an hour.
asked by sam on November 7, 2007 
College Algebra
I'm sorry I wrote the problem wrong previously. "The equation x^29x1=0 has 2 solutions A and B. Where A < B. x^29x1=0 (x9)x=1 x^2=9x+1 (x9/2)^285/4=0 Solutions x=1/2(9 sq root 85) and x=1/2(9 + sq root 85) I also have a second similar problem.
asked by Anonymous on June 2, 2014 
MATH
Wendy answered 85% of the questions on her history test correctly. There were 40 questions on the test and all the questions had equal value. How many questions did Wendy NOT answer correctly on her test?
asked by PLEASE HELP on March 7, 2011 
groundwater science
Consider water in a well, and a point of measurement at depth below the surface of the water. True or False: if the point of measurement is located at an elevation of 2,000 ft. above mean sea level, and that point of measurement is 40 ft. below the water
asked by Luke on February 5, 2011 
MATH
The median number of goals scored by 8 players in a certain soccer season is 5. The range of the number of goals scored by those players that season is 4. Determine if the following statement is true, is false, or does not contain enough information. At
asked by rish on May 1, 2016 
predication?
what is difference between predicate predicator and predication? Clean up the most threatened areas. In grammar, the predicate is the main verb and all the words and phrases and clauses that go with it. http://www.answers.com/predicate Scroll down a bit
asked by jessy on May 1, 2007 
physics
The formation of condensation on a glass of ice water causes the ice to melt faster than it would otherwise. If 8.80 g of condensation forms on a glass containing water and 170 g of ice, how many grams will melt as a result? Assume no other heat transfer
asked by Eric on July 20, 2013 
physics
The formation of condensation on a glass of ice water causes the ice to melt faster than it would otherwise. If 8.80 g of condensation forms on a glass containing water and 170 g of ice, how many grams will melt as a result? Assume no other heat transfer
asked by Alice on July 20, 2013 
PreCal:(Cont.)
[Note: I've tried this problem 4 times already and still have it wrong. I know the steps to doing it but for some reason its wrong. an someone please help me get these answers for (b).] An equation is given. (Enter your answers as a commaseparated list.
asked by Amber on July 12, 2016 
us history
When Hawaiians announce their intention to end foreign influence on the islands, Ameerican business helped to start a revolution in 1893 to topple the government. False? My us history book only talks about foreign influence when
asked by CM on April 8, 2008 
AlgebraFunctions
Could you please check my answers and help me with two problems? Determine which two functions are invereses of each other. 1. f(x)=5x, g(x)x/5, h(x)5/x I got that f(x) and g(x) are invereses of each other 2. f(x)=x2/(2), g(x)=2x2, h(x)=x+2/(2) I got
asked by Soly on September 14, 2007 
CHEMISTRY
Using a 0.20 M phosphate buffer with a pH of 6.5, you add 0.72 mL of 0.46 M NaOH to 58 mL of the buffer. What is the new pH of the solution? (Enter your answer to three significant figures.) I don't even know where to begin!! I just need a set up of the
asked by Mack on March 3, 2015 
Chemistry
What volume (in milliliters) of 0.100 M NaOH should be added to a 0.120 L solution of 0.024 M glycine hydrochloride (pKa1 = 2.350, pKa2 = 9.778) to adjust the pH to 2.95? I don't know how to do this problem! Steps with answers please!! HELP!!
asked by Bobby on February 28, 2016 
Ms. Sue Help me, please
Hello, I was wondering if it was possible for you to assist me in having a science/biology teacher answer my question. It is called 12 Biology and I reposted as Biology Lab Banana DNA. My reason for this is that so many questions keep popping in, all in a
asked by LC on April 2, 2008 
algebra
the equation is f(x) = (1/sq. root of 1x^2) 1. f(x) is never zero. 2. 0 is in the domain of f 3. All negative real numbers are in the domain of f 4. All positive real numbers are in the domain of f 5. 1 is in the domain of f 6. f(x) is never negative 7.
asked by Josh on September 24, 2010 
CHECK PLEASE
I think its B only Which statements are true about the agricultural revolution? Choose all answers that are correct. A. It occurred at different times in different places over many years. B. It changed people's lives because they now had nearly complete
asked by Matt on August 22, 2014 
Debug=true
The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, please follow one of the below steps, then request the URL: 1. Add a "Debug=true" directive at the top of the file that generated the
asked by Amy~ on January 13, 2011 
Physics Thanks
Please help... Let g be the acceleration due to gravity at the surface of a planet of radius R. Which of the following is a dimensionally correct formula for the minimum kinetic energy K that a projectile of mass m must have at the planet's surface if the
asked by Kelly on May 13, 2007 
pigskin geography
Here is the question, The Wonders of American stamp series informs us the American bullfrog is the largest frog,and perhaps the loudest. Their bodies grow to what size?___inches. Their calls can be heard how far away ____miles. I got the answer to the
asked by Lanna on October 14, 2006 
math
A sales manager was given a bonus of $6,090 on the year's sales of $400,000. When answering the following questions, please make sure your final answers are in percentage form and are accurate to 2 decimal places. For example 34.56%. a) What was the bonus
asked by suvi on February 7, 2010 
connection academy math
In the diagram below, jill lives on street q and samantha lives on street r. Since street p is a transveral for streers q and r. which term describes the location of the angle of samanthas friends' house? Please,please help if you have the answers to this
asked by HELP PLEASE on December 15, 2015 
Early Child Ed.
Would you please check these questions and my answers to be sure that I have chosen the most appropriate answer? 1.Which one of the following does NOT agree with the developmental approach? A. Development is influenced only by maturation. B. Development is
asked by Tamera on July 20, 2007 
Statistics
Over time, a student analyzes her ability to guess correctly after narrowing down multiple choice answers in a 5selection question (a through e). She discovers that if she narrows her answers to 2 or 3 choices, her probability of getting the right answer
asked by PetarI on November 20, 2012 
Chemistry
Predict and draw the structure of the product of the reaction of the following substrates with the given reducing agent. 2hexanone mixed with hexanoic acid with (i) NaBH4 (ii) LiAlH4
asked by Anonymous on October 21, 2014 
sciencechemistry
Predict and draw the structure of the product of the reaction of the following substrates with the given reducing agent. 2hexanone mixed with hexanoic acid with (i) NaBH4 (ii) LiAlH4
asked by Anonymous on August 23, 2017 
Chemistry 2
Which is the oxidizing agent in the reaction below. Cr2O72 + 6S2O32 +14H+ > 2Cr3+ + 3S4O62 +7H20 A. Cr3+ B. S4O62 C. Cr2O62 D. S2O32 E. H+ I believe it's D or is it C not 100% sure please help. THANKS
asked by Debbie on April 6, 2012 
2nd attempt Essay for Photography
I posted this before, but failed to paste the essay! oops.. haha. So here's the essay. Please proofread and critique and comment. I'm not so sure about the conclusion. It feels a little weak to me..thanks!!! People seek the answers of their own questions
asked by michelle on March 11, 2007 
Calc
a) y =ln(x1) find dy/dx=? b) y=3 ln x  ln (1/x) where x >0, dy/dx= ? My teacher says the answers are a) (2x)/(x^21) and b) 4/x I am not sure how you find the derivative when they involve ln. Could you please explain to me how to get these answers? I
asked by Jamie on January 16, 2007 
physics
The formation of condensation on a glass of ice water causes the ice to melt faster than it would otherwise. If 7.40 g of condensation forms on a glass containing water and 210 g of ice, how many grams will melt as a result? Assume no other heat transfer
asked by Alice on July 21, 2013 
physics
The formation of condensation on a glass of ice water causes the ice to melt faster than it would otherwise. If 7.40 g of condensation forms on a glass containing water and 210 g of ice, how many grams will melt as a result? Assume no other heat transfer
asked by Eric on July 20, 2013