
calc
derivative of (x^3/6)+(1/2x)? i got (x^2/2)(1/2x^2) is that correct? and then wut is the (F'(x))2?...meaning the derivative squred? if you meant (1/2)x^2  1/(2x^2) you are correct I don't think they are looking for the square of the derivative, but
asked by MARY on May 6, 2007 
Physics
A 5.6 g coin sliding to the right at 22.6 cm/s makes an elastic headon collision with a 16.8 g coin that is initially at rest. After the collision, the 5.6 g coin moves to the left at 11.3 cm/s. (a) Find the final velocity of the other coin. cm/s (b) Find
asked by Anonymous on December 12, 2014 
Physics
A 5.3 g coin sliding to the right at 26.8 cm/s makes an elastic headon collision with a 15.9 g coin that is initially at rest. After the collision, the 5.3 g coin moves to the left at 13.4 cm/s. (a) Find the final velocity of the other coin. cm/s (b) Find
asked by Karrie on October 29, 2014 
probability
Adefective coin minting machineproducescoinswhoseprobability ofheadsisarandomvariable P with PDF 1+sin(2πp), if p ∈ [0,1],fP (p)= 0, otherwise. Inessence,aspecificcoinproducedby thismachinewillhavea fixedprobability P = p of giving heads, but you do not
asked by Anonymous on November 8, 2015 
Maths;function i need help
(1):Given the cost function c(x)=10+2x and the revenue functio r(x)=3x,find break even quantity and the price (2):if the marginal cost of producing x unit is given by c'(x)=0.4x^3+2x and the fixed cost is p4000.00 find the cost function c(x) and cost
asked by Collins on October 14, 2015 
Micro economics
Consider a firm with the following production function: q = (ak+bl)^(1/2) The firm's total costs can be written as C = F + rk + wl 1. Calculate the firm's contingent factor demand. Illustrate it in a graph including the firm's isoquant map 2. Assume that
asked by Rasmus on April 8, 2014 
Chemistry
Hi I'm doing a research paper on the PH of skin and was wondering if you could answer even a few of these questions. I am in high school. Thanks. what does ph have to do with skin? how would using alkaline products affect skin? what are some symptoms
asked by Anonymous on May 6, 2008 
Arts
1. which of the following did the development of linear perspective allow artists to do? a. show human anatomy more accurately* b. paint three dimensional images on a flat surface c. create more exact technical drawings d. build domes with precise
asked by lisa on October 7, 2018 
Algebra 2
a total of $1381.8 per year is received in interest from three investments. the interest rates for the three investments are 4.9%, 7.5%, and 8.6%. the 4.9$ investment is half of the 7.5% investment and the 7.5% investment is 1400 less than the 8.6%
asked by Emily on October 18, 2012 
HistoryBlood Diamonds
i cant find anything on this subject...i have to write a history report and it would help if i have a timeline on blood diamonds. well i've been searching on the web for 'the history of blood diamonds' but all i seem to find is the movie, which is what i
asked by Kim on January 25, 2007 
Calculus
The displacement (in meters) of a particle moving in a straight line is given by the equation of motion s = 5/t2, where t is measured in seconds. Find the velocity of the particle at times t = a, t = 1, t = 2, and t = 3. (a) Find the average velocity
asked by Roscoe on September 21, 2012 
Chemistry
Find the enthalpy for : 4Fe + 3O2 = 2Fe2O3 I got the following informations: Fe + 3H2O = Fe(OH)3 + 3/2H2  Enthalpy is 160.9 kj H2 + 1/2O2 = H2O  Enthalpy is 285.8 kj Fe2O3 + 3H2O = 2Fe(OH)3  Enthalpy is 288.6 I try using Hess Law but cannot solve it.
asked by Shadow on May 13, 2013 
Momentum
A 6.0 g coin moving to the right at 21.0 cm/s makes an elastic headon collision with a 20.0 g coin that is initially at rest. After the collision, the 6.0 g coin moves to the left at 12.5 cm/s. a.) Find the final velocity of the other coin in centimeters.
asked by Lui on May 16, 2012 
Physics
A 5.9 g coin sliding to the right at 27.6 cm/s makes an elastic headon collision with a 17.7 g coin that is initially at rest. After the collision, the 5.9 g coin moves to the left at 13.8 cm/s. (a) Find the final velocity of the other coin. (b) Find the
asked by Angela on October 22, 2012 
math
a math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is 32ft/s^2,find the macimum height of the professor. b) find the
asked by miley on April 20, 2010 
word riddle help please
to find the clue you must search the text Cause in the Late evening when dark is dim and Peaches are gray walk 1 north and then head east, till you find the pretty thing and tell me what it is! Without the text that needs to be searched, we cannot help
asked by sharon on December 11, 2006 
science
how do you do a powerpoint for a biodiversity museum exhibit. I need to do a presentation. Are you making one or visiting one? Are you in need of info on how to use PowerPoint, or what to say? If the latter, be more specific. We cannot prepare
asked by stacy on December 4, 2006 
MATH please help with this ?
math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is 32ft/s^2,find the macimum height of the professor. b) find the time
asked by joelle on April 21, 2010 
calc
a math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is 32ft/s^2,find the macimum height of the professor. b) find the
asked by miley on April 19, 2010 
math
math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is 32ft/s^2,find the macimum height of the professor. b) find the time
asked by piper on April 20, 2010 
math
a math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is 32ft/s^2,find the macimum height of the professor. b) find the
asked by piper on April 20, 2010 
English
I need to give example of these verbs when followed by the gerund or the infinitive. I hope you can help me. 1) She missed being run over by a lorry. She excepted ... (I can't find a good example) 2) She failed to answer all the questions. 3) She tends to
asked by Henry2 on November 21, 2011 
solid geometry
the plane of a circle of center M contained in plane X , MA perpendicular to plane X and if AM = 2√7 cm , BC = 8 cm find the length of AB.. where BC is a tangent and AMB is right at M .... find the length of AB ..?
asked by Momen on June 30, 2016 
Algebra 2
I have to use the discriminate to determine the number of answers for the following equation, but my textbook never showed me how to find the discriminate for an equation like this. Could someone show me how to find the discriminate? 9x^2 + 6× = 1
asked by Please help on March 15, 2019 
calc 1
f(t)=cos(πt/4) finding velocity i got π/4sin(πt/4) then i had to find velocity after 3 sec which is v'(3)=π/4sin(π(3)/4) = π/4sin(π√2/2) (π) (π√2)/4 x 2 = 1/8√2 ft/s i now have to find when the particle is at rest? how would you do this
asked by feather on February 22, 2016 
math  another question
Determine which pairs of lines are parallel or perpendicular. x = 13t, y = 7+4t x = 24s, y = 3s L1: r = (1,7) + t(3,4) L2: r = (2,3) + t(4,3) Now how is that perpendicular? I know how to find it a vector of a line is parallel but I don't know how to
asked by Alex on April 9, 2008 
Maths
Y is 60km away from X on a bearing of 135 degree. Z is 80km away from X on a bearing of 225 degree. (a) find the distance of Z fromY? (b) find the bearing of Z from y?
asked by Ahmed saleh on March 11, 2012 
social studies
how did women help prepare for the civil war??? i cant find in s.s book you should double check your book. if you cant find it in there you could use the internet, but i would check the book
asked by avery on March 1, 2007 
Franny
I need to write a poem in french. I was looking for examples of french poems that rhyme but I can't find any. Can you please help me find some rhyming french poems? Thanks in advance
asked by French on January 9, 2008 
MATH
Find two quadratic functions whose graph have given xintercepts. Find one function whose graph opens upward and another whose graph opens downward. (4,0) (0,0)
asked by Anonymous on June 8, 2014 
Chemistry
How do I find the concentration of the excess reagent? I already have the moles of excess reagent. I'm stuck because I don't know how to find the volume of excess (I'm not given a density).
asked by Stuck on February 4, 2010 
math
What methods can you use to find prime numbers? How are prime numbers used in mathematics? How can you use prime factorization to find the GCF and LCM? Provide an example
asked by chandice on June 18, 2009 
math
1.solve for p 3(p+q)=p A.q=2/3p B.q=3/2p C.p=2/3q D.p=3/2q 2. solve for b then find the value of b when a=3 4a=2b7 A.9/2 B.5/2 C.19/2 D.17 3. solve for r d=rt A.r=dt B.r=t/d C.d/t D.r=dt 4. find the width of a rectangle with a perimeter of 90 and a
asked by oto on September 15, 2016 
maths
find the area of a square ABCD 16 square meter.find the area of the area joining mid points of the side
asked by ash on December 12, 2010 
Calculus
Given the graph of f'(x) with f(x) continuous on all reals, find the intervals f(x) is concave up and down and find the X values of the points of inflection. I did points 2 concave down to 2 then concave up 4.
asked by Joshua reynolds on July 25, 2017 
maths
f(x)=px^3 + 6x^2 + 12x + q given that the remainder when f(x) is divided by (x  1) is equal to the remainder when f(x) is divided by (2x + 1), (a) find the value of p. given also that q = 3, and p has the value found in part (a) (b) find the value of the
asked by peter on March 3, 2012 
Finance
Assetliability management is the term where the maturity of an asset is similar to the time that the liability expires. Which of the following is not good assetliability matching? (Points: 4) Brand new quality car financed by a 5year loan. Retirement
asked by Rajini on April 11, 2007 
College Algebra
Find the sum of two numbers is 2, and their difference is 26. Find the numbers
asked by Sheena on June 13, 2012 
algebra
/ / (2X+12) DEGREE  / / HOW DO I FIND X IN ORDER TO FIND THE DEGREE OF THIS ANGLE
asked by billy on May 20, 2010 
Algebra
find k so that the line through (3,k) is parrallel to 5x  3y = 2 then find k so that the line is perpendicular to 3x+2y=6
asked by mike on December 15, 2009 
Maths
1)Find the sum of the first 10terms of 16,8,4,... 2)Find the sum of the first 8terms of 1/9,1/3,1,...
asked by Efa on August 13, 2016 
algebra
find the domain of the following function g(x)=x/x^25x find the range of the following function h(x)=x^3+x/x
asked by jake on December 2, 2009 
math
find the sum of2 3/4 and 2 4/5.find the differnce between this sum and 6
asked by gillian on February 23, 2011 
Algebra
find k so that the line through (3,k) and (1,2) is parallel to 5x3y=2. Find k so that the line is perpendicular to 3x+2y=6
asked by mike on December 15, 2009 
calculus
Given two functions as: f(x) = x2x1 and g(x) = 3/x Find fog(x) also find the domain of f, g and fog
asked by mary on October 25, 2010 
Calculus
A) Find the average value of f(x)=x^3x+1 on the interval (0,2) B) Find c so that f(c)equals the average value
asked by Robin on November 3, 2013 
Math
how do you find the constant of variation k for the direct variation? for example, 4x + 6y. how do you find k?
asked by Angie on January 30, 2009 
Physics
1.find the derivative of Y =3n²2 2.find the derivative of Y =sinx
asked by Pedlo on July 15, 2019 
calculus
Find the limit L. Then find delta > 0 such that f(x)  L < 0.01 whenever 0 < xc < delta. lim x > 4 (4 (x/2))
asked by James on September 14, 2010 
math (precalc)
find the derivative of y= (2x^5 4x^4 + 8x) / (x^2) Here is what I have so far: y^(1) = 6x^2 8x + 8/x y^(2) = 12 x  8 + ? How do you find the derivative of 8/x and it must have no negative exponents? thanx
asked by Anonymous on October 17, 2018 
Math
Use the data below to find the mean, median and mode. 28, 30, 30, 31, 32, 33, 34, 35, 37, 38, 39, 41 Can you help me to find the median?
asked by Lilly on April 11, 2018 
math
1) find the power set of 446 2) find the power of (c,d,e,f,y ) 3)if X=(2,4,6,8 ) Y=(3,6,9) Z=( 1,3,6,8)
asked by viola on June 22, 2011 
urgent urgent algebra / precalculas
1. Given a function,H(x)explain how to find the components f(X)AND g(x) such that f(g(x)) = H(x) 2. let H(x)=(2x+5)^4 find the function f and , so that f(g(X))=H(x)
asked by zachary on March 24, 2013 
Algebra
How do you find the inverse of functions? for example how would you find the inverse of y= log8 x
asked by Kenya on May 1, 2011 
calculus
given f(x) = sin2x/(xcosx) a) find lim f(x) x>0 B) find lim f(x) x> pi/4
asked by hy on October 25, 2010 
Maths
y=is partly constant and partly varies e.g x=a and when=5,y=8,when x=6y=4 A.find the value of y when x=15 B.find x when y =20
asked by Babatunde anuoluwapo on May 6, 2019 
Math 116a
Find the slope X=4 if it exists. Don't I need the Y to find a slope?
asked by Katie on September 26, 2011 
Math
Find the probability of the independent event. If P (E) = 0.9, P (F ∣ E) = 0.36, and E and F are independent, find P (F)
asked by Ted on February 20, 2016 
math
(0,5), m=3/2 a) find the equation of the line b) find three other points that go through the line
asked by Max on August 27, 2009 
Calculus Help!
1. 8sin(cos(x^6)), find f'(x) 2. cos(sin(x^2)), find f'(x).
asked by danny on February 28, 2012 
algebra
5. If x=8 and y=3, find the value of 4/x  1/y. well i would substitute 8 for x and 3 for y. then it would be 4/8  1/3. 0.5  0.33333 would it then be 0.2333? 8. If x=6 and y=5, find the value of x/8 + 2/y. well i would substitute 6 for x and 5 for y.
asked by Natalie on September 7, 2011 
MATH
How do you find the z score of a percentile? For ex.: Find the z score of P88
asked by Anonymous on March 6, 2016 
Geometry/Math
Does anyone know how to find a range of a number? These are the numbers I have to find the range of. 7,7,5,4,1,9,8,8,8,5,2 Please help!!
asked by greatdanelola on January 23, 2008 
precalc
1)Find the polar equation of y=5 2) Find the rectangular equation of r=3
asked by Anonymous on November 25, 2011 
math
Find the vertex of y = −3(x + 1)2 + 5 Find the vertex of y = −2t2 + 12t − 23
asked by dj on November 20, 2008 
College Algebra! help!
Consider the following functions f(x)= (7x+8)/(x+3) and g(x)= (3x8)/(7x) (a) Find g(g(x)) (b) Find g(f(x)) (c) Determine whether the functions f and g are inverses of each other.
asked by Rosie on May 14, 2013 
precal
1.a) Find the domain of f(x) = x + log(2x – 5) b) Find the domain for f(x)= 5x + ln(x^2+3x4) 2. Solve: 4^x +12 = 16^x
asked by Hamal on February 16, 2014 
Math
Y= { x if x_ 0 } find if y is differentiable at 0 .Then, if y is differentiable find the derivative at x=0. Y’ = { 1 if x < 0 ,2 if x >0 } How do you continue from here?
asked by Anonymous on January 6, 2019 
Math
Find the probability of the independent event. If P (E) = 0.9, P (F ∣ E) = 0.36, and E and F are independent, find P (F).
asked by Greg on February 20, 2016 
Geometry
*Find the value of the variable and LM if L is between N and M 9) NL = 5x, LM = 3x, and NL = 15 *Find the value of the variable and ST if S is between R and T 28) RS = 7a, ST = 12a, RS = 28 how do you work these out?
asked by Jillian on August 18, 2009 
Linear Algebra
Let L1 be the line passing through the point P1=(9, −1, 15) with direction vector →d1=[−2, −1, −3]T, and let L2 be the line passing through the point P2=(9, 4, 8) with direction vector →d2=[−2, −1, −1]T. Find the shortest distance d
asked by Garrett on November 11, 2018 
Health check?
Match the term with its definition. (Points : 12) Potential Matches: 1 : to cook uncovered by direct heat 2 : to cook in a small amount of liquid in a tightly covered pan over low heat 3 : to cook in water or liquid in which rolling bubbles have formed 4 :
asked by Sara on May 28, 2015 
algebra
1.) The volume of a rectangular box is 64 ft3. If the width is 3 times longer than the height, and the length is 9 times longer than the height, find the dimensions of the box. Define your variables then show all work using the equation editor. Write a
asked by ashley on August 10, 2016 
Math
Jefff find some bugs. He finds 10 fewer grasshoppers than crickets. He find 5 fewer crickets than ladybugs. If Jeff finds 5 grasshoppers, how many ladybugs does Jeff find? How many crickets does he finding
asked by Anonymous on January 17, 2017 
Physics
A 72.0 kg swimmer jumps into the old swimming hole from a tree limb that is 4.00 m above the water. Part A Use energy conservation to find his speed just as he hits the water if he just holds his nose and drops in. Part B Use energy conservation to find
asked by Jess on November 24, 2017 
Chemistry
In a .57 M solution of HOC6H5, .0684% of the acid has been dissociated. a) find the concentrations of all aqueous species in the solution at equilibrium b) find the pH of the solution c) What concentration of HBr would produce a solution with the same pH
asked by Anonymous on March 19, 2018 
Investing
Cliff Swatner is single, 33 and owns a condominium in New York City worth $250,000. Cliff is an attorney and doing well financially. His income last year exceeded $90,000, and has sufficient liquid assets to supplement his condominium and other tangible
asked by candy on August 1, 2006 
Math Ms. Sue please
4. The data in the table are linear. Use the table to find the slope. TABLE: x: 2 4 6 8 y: 1 2 5 8 3/2 3/2 2/3 2/3 7. Find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6). (1 point) m = 1 m = 2 m = –2 m = 1/2
asked by Delilah on April 17, 2013 
Statistics
(25 pts, 5 pts each) The ounces of coffee that a machine dispenses in 5ounce cups have normally distributed. Suppose a sample of size 6 was taken from this machine, as shown as follows: 5.05 5.03 5.10 5.02 4.98 5.00 (for all calculations, keep at least
asked by Trell on May 9, 2014 
Angle question
Quadrilateral JKLM is a rhombus. If mangleLMK = 36, find mangleKJM In the right triangle ABC, mangleB = 90, AB = 5, and AC= 12. Find BC. Round to the nearest tenth, if necessary. Help? Is AB a side and AC a side? I can't tell from your description which
asked by Rachel on August 21, 2006 
Stats
The probability that a person has blue eyes is 16%. Three unrelated people are selected at random. a. Find the probability that all three have blue eyes: b. Find the probability that none of the three have blue eyes c. Find the probability that one of the
asked by Dave on April 30, 2013 
Algebra II
1) Find the exact value of cos theta if the terminal side of theta in standard position contains the point (6,8). Answer: 3/5 2) Find the exact value of sin(pi/6). Answer: 1/2 Thanks
asked by Lucy on April 6, 2008 
math
im doing angles and such...how can you find the measurements of all angles when you only know one measurement? for example: angle BOA=100 degrees now how would i find the other angle's measurements? i know about supplementary but is there a trick to use or
asked by nicole on March 31, 2008 
Math
Using one coordinate plane, graph the functions y=−4x+1 and y=2x−3, and find the coordinates of the point of intersection. Now find the coordinates of the point of intersection without using the graphs. Compare your two results.
asked by Eda on November 17, 2018 
linear algebra
Solve using the concept of rank. Is S={−16 −7 −21,2 1 3, 21 9 2} a linearly independent set of vectors in R3? So I know how to find out if this set is linearly indep. But, I don't know how to use row rank to find this out..
asked by sam on March 23, 2015 
Ap Calc AB
Find the equation of the line tangent to the curve at (5, 3) (x2)^2 + (y+3)^2 = 9 I solved the derivative to be dy/dx = ((2x+4)/ (2y+6)) when i plugged in the points (5, 3) I got the slope as 6/0...How is this possible?? How can i find the equation of
asked by Student on October 16, 2007 
Statistics
A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10.   Find the mean of this sampling distribution.  Find the standard error of this sampling distribution.
asked by robyn on September 30, 2011 
calculus
I don't quite understand Cartesian equations. I am told to Eliminate the parameter to find a cartesian equation of the curve. X= 3  4t, y= 2  3t there is no inequality I don't understand what I am trying to find.
asked by Daniel on December 15, 2011 
algebra
i have very little information in my math book on the following questions. can you either tell me the answer or a link where i can find my own answer. thanks How do you know if a quadratic equation will have one, two, or no solutions? How do you find a
asked by Donni on November 15, 2010 
calculus
f(x)=kx^2+3 a) if the tangent lines to the graph of f at (t,f(t)) and (t, f(t)) are perpendicular, find t in terms of k b) Find the coordinate of the point of intersection of the tangent lines mentioned in part (a) in terms of k
asked by Rachel on September 19, 2010 
Chemistry
Find the Molality and Molarity of a solution where 1.0g of NaCl was dissolved in 100mL of rubbing alcohol (the density of the alcohol is 0.78 g/mL). Not sure what steps to use to find Molarity and Molality....
asked by Anonymous on November 11, 2012 
physics help please 1!!
A 1.27 kg hoop with a radius of 10.0 cm rolls without slipping and has a linear speed of 1.32 m/s. Find the rotational kinetic energy. Find the total kinetic energy of the hoop.
asked by kelsey on October 18, 2008 
Math
find the range 7, 7, 5, 4, 1, 9, 8, 8, 8, 5, 2 I have mixed feelings and responses to this when asking my friends, some people say it is the lowest to highest which is 1  9 but then some say that you have to subtract the lowest and highest which is 8
asked by Anonymous on August 28, 2009 
Fluid Mechanics
(a) Find the total force on the bottom of a cylindrical gasoline storage tank 15.0 m high with radius 23.0 m. (b) Find the total force on the side of the tank.
asked by Ben on October 27, 2014 
PreCalculus
The exponential function y(x)=Ce^ax satisfies the conditions y(0)=6 and y(1)=7. (a) Find the constants C and a. Enter the exact value of a. (b) Find y(2). Enter the exact answer. Simplify the answer so it does not contain any logarithms.
asked by Becky on January 28, 2013 
physics
a) find the total force on the bottom of a cylinder gasoline storage tank 15.0 m high with radius 23.0 m. b) find the total force on the side of a tank.
asked by eric on September 22, 2017 
Chemistry
Find the Molality and Molarity of a solution where 1.0g of NaCl was dissolved in 100mL of rubbing alcohol (the density of the alcohol is 0.78 g/mL). Not sure what steps to use to find Molarity and Molality....
asked by Anonymous on November 11, 2012 
math
Find the area of a circle with center (3, 4) that passes through the point (5, 2). First use the distance formula to find the radius of the circle. Use π = 3.14. ~ I did the distance formula and got 28 now i just dont know what to do after that please
asked by Jakis on February 26, 2017 
Physics Science
(a) Find the total force on the bottom of a cylindrical gasoline storage tank 15.0 m high with radius 23.0 m. (b) Find the total force on the side of the tank.
asked by Ben on October 27, 2014 
maths
the ratio of area of two rectangles field is 25/9 (a)find the ratio of their length (b)the small field is 20m long find the corresponding length of the larger cone
asked by Amina on March 15, 2016
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