
Inverse of log function
Find the inverse of f(x) = log(2+x)  4 the base is "a" Call f(x) y y = loga(2+x) 4 y+4 = loga(2+x) a^(y+4) = 2 + x x = a^(y+4)  2 drwls, you have merely solved the equation for x. The question was to find the "inverse", so the actual answer should be y
asked by Jen on March 1, 2007 
chemistry
Im really confused....Im being asked to find the highest pH of HI, KOH and HNO3 all with a concentration of 0.10M. I understand HOW to find it: ph=log[concentration of H]....but wouldn't that technically mean the pH of HI and HNO3 are the same?!
asked by Anonymous on October 3, 2011 
Calc 1
The acceleration function (in m/s^2) and the initial velocity are given for a particle moving along a line. a(t) = t + 6, v(0) = 4, 0 ≤ t ≤ 11 (a) Find the velocity at time t. (b) Find the distance traveled during the given time interval
asked by TayB on May 15, 2015 
math, slope
how to find average slope: you are given points of: (0,0) (20,.166) (40,.181) (60,.194) (80,.204) (100,.210) (120,.214) how do i find average slope of all of these?
asked by Anonymous on October 5, 2009 
Algebra
Find three ordered pairs (a,b) that satisfy the equation 3a  5b = 9. So far, I got (3,0). I'm having trouble finding others. Does anyone have suggestions on other easy ways to find ordered pairs besides guessandcheck? Thank you!
asked by Cassie on February 27, 2009 
Math (calculus)
Prof gave us this question to practice but I do not know how to solve it. If you know please provide step by step with the answer so I can understand it. Thank you very much :) Suppose a rocket is launched from the ground with 10 seconds worth of fuel. The
asked by Anonymous on November 16, 2014 
Math
I've got quite a few problems. Please answer any of them in whole or in part. Thank you in advance. (For the record, you're not doing my homework; you're helping me understand it. These problems were not assigned.) (1). Determine the discontinuities and
asked by Mark on March 3, 2009 
math
Find the area of the partial circle, use 22/7 for pi. 1.) radius = 27 cm find the area of 1/5 of the circle 2.) diameter = 29 ft find the area of 1/3 of the circle. Help!! Please!! Thanks!! :D
asked by Ele on April 26, 2012 
Physics
A ball rolls down a ramp that's set on a table, and from there falls off the table. The height of the ramp, length of the ramp, and height from the table are known, and the task is to find the horizontal displacement. One can use mgh = 1/2mv^2 + 1/2kmv^2
asked by Mary on March 9, 2018 
Physics
A ball rolls down a ramp that's set on a table, and from there falls off the table. The height of the ramp, length of the ramp, and height from the table are known, and the task is to find the horizontal displacement. One can use mgh = 1/2mv^2 + 1/2kmv^2
asked by Mary on March 10, 2018 
maths
Im confused can any1 help me on this question ?? or try and put me on the right track? (a) A circle has radius 2cm (in that circle there is an triangle AOB) and the chord AB has length 3cm. AO is 2cm and BO is 2cm. O is the centre of the circle. (b)
asked by hi on September 25, 2007 
Calc I
if f(t)=sqrt(4t+1) find f''(2) I got the first derivative to be: 1/2(4t1)^1/2 * 4t^3 and i'm trying to figure out if i need the product rule again to find the second derivative 1t^3(4t1)^3/2 * 4t^3 The answer if 4/27 and I'm not sure how to get that
asked by Brian on December 7, 2014 
Statistics
A set of 50 data values has a mean of 35 and a variance of 25. I. Find the standard score (z) for a data value = 26. II. Find the probability of a data value > 26.
asked by don on October 17, 2011 
geography
I am trying to find this: how do we find the country's rank population such as upper class, lower class, and middle class?
asked by Jud on February 28, 2008 
geometry
in triangle GHJ, k(2,3) is the midpoint of GH, l(4,1) is the midpoint of HJ and m(6,2) is the midpoint of GJ. Find the coordinates of G,H and J. can you please show me how to find this? i don't really understand how it would be done. thank you.
asked by maria on November 2, 2010 
Math
An object moves along the path x^2  y^2 = 5. At the point (3, 2),dx/dt = 4. Find dy/dt at that same point. I understand that dy/dt of the function is y' = x/y but I am not sure how to find it at that specific point. Could you please help? Thank you!
asked by Jessica on June 18, 2016 
Algebra 2
I need help, and I can't find the answer. Can you explain how to do this please? I don't want the answer only, I need to know the answer, and how to find it. Thank you!! 9. What is the equation of the absolute value function? (1 point) y = 6x + 2 –2 y
asked by Jenn on September 25, 2012 
Chemistry
How would i find the hybridization of the central atom in NO3^ and CH2Br2? Also, in general how would I find the hybridization of something, and what is hybridization (I'm very lost)?
asked by Sarah on December 8, 2009 
Homework Help
A set of 50 data values has a mean of 48 and a variance of 9. I. Find the standard score (z) for a data value = 43. II. Find the probability of a data value < 43.
asked by Huffette on December 2, 2012 
MATH
A set of 50 data values has a mean of 18 and a variance of 4. I. Find the standard score (z) for a data value = 20. II. Find the probability of a data value < 20.
asked by Jen on October 30, 2011 
Math
Find x in triangle Exterior is 120 degrees and 20 degrees Find interior x 180 degrees total
asked by Chris on February 4, 2013 
algebra 2
The larger of two numbers in 8 times the smaller. The difference between them is 42. Find the numbers. Write the equations. Find the numbers
asked by lea on March 14, 2012 
Composition of Functions
1. Find (f·g)(x) where f(x) = 1/x²+3 and g(x) = √x2. a) (f·g)(x) = 1/x2 b) (f·g)(x) = 1/√x2 +3 c) (f·g)(x) = √2x²5/x²+3 2. Find (g·f)(x) where f(x) = x²2 and g(x) = 5x8. a) (g·f)(x) = 5x²18 b) (g·f)(x) = 5x²4 c) (g·f)(x) =
asked by STUDENT on November 9, 2016 
Biology
Consider the following 45 basepair (bp) DNA sequence: 1 10 20 30 40  .  .  .  .  . 5’CGCACCTGTGTTGATCACCTAGCCGATCCACGGTGGATCCAAGGC3’  3’GCGTGGACACAACTAGTGGATCGGCTAGGTGCCACCTAGGTTCCG5’ Tip: If
asked by Jenna on August 4, 2014 
application of differential equation
somebody please help me find the solution totally lost.... An object of mass 100g is thrown vertically upward from a point 60cm above the earths surface with an initial velocity of 150cm/sec. It rises briefly and then falls vertically to the earth, all of
asked by maria on March 21, 2015 
Trig
1)y=1tan(3pi2x) Find period and phase shift 2)y=sin(5x+3) Find amplitude,period,and phase shift 3)y=1sin(3pi2x)Find amplitude,period,and phase shift 4)y=2csc(2x1)Find period and phase shift 5)Given the graph of y = sin (x), what transformation can be
asked by Lauren on April 1, 2012 
CHEMISTRY!! NEED IMMEDIATE HELP PLEASE!!!
a. Calculate the delta H, delta G, and equilibrium constant for the reaction of methane with Cl2 to give CH3Cl and HCl. Use the following information for your calculations: Bond Dissociation Energies: CH3H (104.8kcal/mol), ClCl(59.0 kcal/mol),
asked by Natasha on October 30, 2011 
math
Sketch f (x) = x + cos x on [2pie,2pie ]. Find any local extrema, inflection points, or asymptotes. And find the absolute maximum and absolute minimum values of f on the given interval. i cant seem to figure out how to solve this
asked by rudy on May 15, 2008 
Chemistry
4. Suppose there are 72.0 g of O2 available, along with the 8.08 grams of H2. Use ratios of stoichiometric coefficients to find the limiting reagent for the reaction. Then, find the theoretical yield in both moles and grams. 2H2 + 1O2 à 2H2O I got 2.25
asked by Feather on September 13, 2014 
math
The names and ages for each person in a family of five follow: Name Dick Jane Kirk Jean Scott Age 40 36 8 6 2 a. What is the mean age? b. Find the mean of the ages 5 yr from now. c. Find the mean 10 yr from now. d. Describe the relationships among the
asked by Diana on January 5, 2011 
math
A pulley with a radius of 8 inches rotates three times every five seconds. Find the angular velocity of the pulley in radians/sec (round to the nearest hundredth). Find the linear velocity to the nearst ft/hr.
asked by Anonymous on August 13, 2012 
math axis of symmety
What is the equation of the axis of symmetry of the graph with the order pairs of (2,0) and (6,0). How would I do this since? I thought perhaps I could do 2+__=6 which would be 8 then 8/2 =4 so x=4 my brother says I'm suppose to do 62=4/2=2 so x=2 who's
asked by carrie on October 23, 2010 
calculus
the line y=xc touches the ellipse 9x^2 + 16y^2 = 144. Find the value of c and the coordinate of the point of contact. a parallelogram is defined by two sets of tangents to the curve x^2  4y^2 = 9. The gradients of the tangents are 1 and 1. Find the area
asked by Kelly on June 28, 2008 
Physics
A balloon of negligible mass is filled with helium gas (p=0.179 kg/m^3) until its volume is just large enough to lift a 25.0 kg load. (a) Find this volume. (b) Find the buoyant force exerted by air (p=1.29 kg/m^3) on the balloon.
asked by Lashawn on April 24, 2013 
Algebra I
Write an equation based on the given facts and find the solution. Show all your work, including the steps for solving the equation and checking your answer. –2 times a number plus 12 is –110. Find the number.
asked by Kasey on May 31, 2012 
math
5.is 3.671 less than 3.67 yes 6.A triangle has a base of 13 feet and an altitude of 7 feet. Find its area. 45.5 7.find the best buy on cashews a.12oz for $5.39 b.1lb4oz for $7.39 c.10oz for $4.89 d.1lb for $6.39 A. 12oz for $5.39 8.8gal7qt+3gal2qt= 6gal1qt
asked by deedee on October 22, 2008 
psy 220
HELP going through home CRISIS Find a peer reviewed article which discusses the effects of optimism on physical and psychological health. (You may need to find two articles in order to cover both the physical and the psychological areas).
asked by Love on April 10, 2011 
Calculus
Find the volume of the solid whose base is the circle x^2+y^2=64 and the cross sections perpendicular to the xaxis are triangles whose height and base are equal. Find the area of the vertical cross section A at the level x=7.
asked by Steve on March 4, 2017 
Calculus
find the intervals on which f(x) is increasing and decreasing along with the local extrema. f(x)=x^4 + 18x^2 I took the derivative and got: f'(x)= 4x^3 + 36x When I set this to zero, I get the imaginary number 3i. I can't get test values for an imaginary
asked by Leah on November 3, 2014 
Physics
A ball is thrown at 41° below the horizontal from a rooftop of height 65 m. It lands 2 s later. Find: Find: a) its initial speed b) the point of impact with the ground; m from the base of the building c) the angle at which it hits the ground. ° below the
asked by Vivian on September 28, 2014 
math
Two cards are selected at random without replacement from a wellshuffled deck of 52 playing cards. Find the probability of the given event. (Round your answer to three decimal places.) find the probability that A pair is not drawn.
asked by Rico on November 8, 2011 
AP Calculus
Let R be the first quadrant region enclosed by the graph of y= 2e^x and the line x=k. a) Find the area of R in terms of k. b) Find the volume of the solid generated when R is rotated about the xaxis in terms of k. c) What is the volume in part (b) as k
asked by some kid on April 12, 2009 
itt
f(x)=3x212x5 find x intercepts a. analyze the multiplicity at each intercept (where it crossed/touches the axis) determine the number of turning points find four more points to graph graph the parabola
asked by shan on March 4, 2015 
Math help please
If x and y are in the interval (0,π/12) and sin x = 3/5 and cos y = 12/13, evaluate: sin (xy) I started by trying to find the value of x and y and i got 0.645 and 0.394. And I substituted the values in and got 0.2461 etc. But the answer at the back of
asked by Anonymous on November 25, 2007 
Math  please help
If x and y are in the interval (0,π/12) and sin x = 3/5 and cos y = 12/13, evaluate: sin (xy) I started by trying to find the value of x and y and i got 0.645 and 0.394. And I substituted the values in and got 0.2461 etc. But the answer at the back of
asked by Anonymous on November 25, 2007 
statistics
A jar contains 2 pennies, 6 nickels and 4 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of the selected coins. a. Find the probability X = 11. b. Find the expected value of X
asked by Karen on April 13, 2019 
Calculus
Find the volume of the solid whose base is the circle x^2+y^2=25 and the cross sections perpendicular to the xaxis are triangles whose height and base are equal. Find the area of the vertical cross section A at the level x=1.
asked by Mwe on February 7, 2015 
Chemistry
Use activity coefficients to find the concentration of hydrogen ions in a solution of 65.0 mM butanoic acid and 0.01 M NaCl. The ionization constant of butanoic acid is Ka = 1.52 × 105. Take the size of C3H7COO– to be 500 pm. Find [H+], pH, and alpha.
asked by Jessica on March 12, 2013 
Geomtric Series
The midpoints of the sides of a series of a square of side 1 are joined to form a new sqaure. This procedure is repeated for each new square. a) find the sum of the areas all the squares b) find the sum of the perimeters of all the aquares
asked by Janet on March 18, 2009 
Math math
the arch of a concrete bridge is a semi ellipse having a span of 60 ft and a central height of 20 ft. if the roadway is 25 ft above the base. find at 10 ft intervals the distance from the arch to the roadway. ( im completely lost which to solve/find)
asked by Muhaymin on February 3, 2016 
Physics
A disk in your computer spins at 5400 rpm. If this disk turns through 12 revolutions before coming to stop, find the disks angular velocity acceleration. Also find the time it takes to stop.
asked by Kayla on June 12, 2013 
geometry
Hi I really need help. I am extremley behind with some course homework for my summer courses. If someone got give the answers to the one's below, it would be greatly appreciated. Thank you so much. 1) Point G is the centroid AG = 18 AE =? 2)Given the
asked by please please please I really need help on July 7, 2018 
Geometry
HOW DO YOU FIND THE HEIGHT OF A TRIANGLE??????! I am taking my SAT tomorrow morning, and i am freaking out because i haven't taken geometry for 5 years and i can't even remember how to find the height of a simple triangle! You have no idea how stressed out
asked by Alexa on October 8, 2010 
PHYSICS
A 0.181 kg mass is attached to a spring and executes simple harmonic motion with a period of 0.21 s. The total energy of the system is 1.2 J. Find the force constant of the spring. b) Find the amplitude of the motion.
asked by JACK on November 20, 2010 
Algebra 2
Can you help me set these up? 1.When 0.5cm was planed off each of the six faces of a wooden cube, its volume decreased by 169cm^3. Find its new volume. 2. The width, length, and diagonal of a rectangle are consecutive even integers. Find the integers
asked by Jessica on September 16, 2010 
Science
a body of mass 5 kg is thrown vertically upwards with a speed of 10m/s what is its k.e. when it is thrown find its potential energy when it reaches at highest poiint also find maximum height attained by the body?
asked by Sharma on February 25, 2012 
English
I have this question on my homework to find six pieces of figurative language and six pieces of symbolism for the book The Barcode Tattoo by Suzanne Weyn. I could only find two though the barcode and the Whiteface Mountain. Please help. Your help is very
asked by Allie on December 10, 2014 
intro to physics
I was wondering if you guys can help me with this question An airplance is traveling 835 km/h in a direction 41.5 degrees west of north. part a) find the component of the velocity in the northerly direction part b) find the same but in the westerly
asked by emilia on April 21, 2012 
Physics
Two blocks (on top of one another), each of mass m = 2.4 kg, are pushed along the horizontal surface of a table by a horizontal force of magnitude 6.8 N, directed to the right. The blocks move together to the right at constant velocity. (a) Find the
asked by Kellie on September 27, 2011 
Math
How do you find the point of intersection(s) for x = 2y2 + 3y + 1 and 2x + 3y2 = 0 A) You cannot find points of intersections for nonfunctions. B) Plug in 0 for x into both equations and solve for y. Then plug that answer back into the other equation to
asked by Asia Powell on February 9, 2016 
MATH
Please help me with these problems. Work and answer is appreciated! :) thanks. 1. Find on the interval theta is greater than or equal to 0 and less than 2pi; then find the general solution: 5tantheta+1=2.89 16cos^2theta6=3 6sin^2theta+sintheta=2
asked by gf on November 7, 2007 
health
i am doing a health project on contraceptives. where can i find the history of Lea's shield and Essure. They are both fairly new products and I could find nothing on wikipedia or anything. Also, where could I find stats on the use or nonuse of
asked by maurice on June 3, 2007 
GEOMETRY CIRCLE
1.An isosceles triangle with each leg measuring 13 cm is inscribed in a circle . if the altitude to the base is 12 cm find the radius of the circle 2. Circles a and b are tangent at point c. p is on circle a and q is on circle b such that pq is tangent to
asked by BARBIE LEE on December 8, 2013 
GEOMETRY CIRCLES PLEASE
HELP ME PLEASE. 1.An isosceles triangle with each leg measuring 13 cm is inscribed in a circle . if the altitude to the base is 12 cm find the radius of the circle 2. Circles a and b are tangent at point c. p is on circle a and q is on circle b such that
asked by BARBIE LEE on December 8, 2013 
Investments Analysis
Can anyone help with ANY of these? Any good starting points would be great! Alpha (STI) 0.90 2008 Return(STI) 15% Beta(STI) 1.20 2008 Return(INX) 10% R_squared 36% Risk Free Rate 4% Variance(STI) .1296 b. What is the relative volatility (variability) of
asked by James on March 6, 2010 
Precal
1) Find two values of Q that satisfy the equation. Give your answer is degrees and radians. Do not use a calculator. a) sec Q = 2 pi/3 and 60 degrees Is this correct? b) sec Q = 2 This one I do not know how to find.
asked by Hannah on February 10, 2010 
More math linear equation help?
I'm looking at this graph where I see a line AB with the points (2,2) and (2,8). Then I have to do the following: a) Find the length of AB b) Find the midpoint of AB c) Write an equation for the line going through AB I don't understand how to do part a
asked by Lily on May 31, 2013 
maths
1. if y=mx+1, mx+y=1, 3x+4y=9 find out the value of m. 2. sum of 2 digits is 9. the digit obtained by7 increasing digit in ten's place by unity is one ninth of the no.obtained. find the no.
asked by sonia on June 3, 2010 
Math
1) Find two values of Q that satisfy the equation. Give your answer is degrees and radians. Do not use a calculator. a) sec Q = 2 pi/3 and 60 degrees Is this correct? b) sec Q = 2 This one I do not know how to find.
asked by Hannah on February 10, 2010 
Math
Suppose a random variable X has a uniform distribution over the interval [10,10]. • Find the probability that X lies between 2 and 6? • Find the probability that X2 lies between 9 and 64? (Note X2 is the square of X.)
asked by Steven on November 13, 2013 
alg 1
Find the percent error in calculating the volume of the prism. V=(bw)(h) v=11 x 8 (7) V=616 my choices were: 19% 10% 119% 83% I'm not sure what it means to find the percent error. Please explain. Thanks.
asked by Jane on April 16, 2013 
Physics review
So I've already found/ was given the radius, hanging mass, and acceleration for three objects but I need to find the moment of inertia using all those three. What equation do I use or how do I incorporate all of them to find the moment of inertia?
asked by hayley on July 12, 2012 
reiny steve reiny damon!!! Damon help maths
If P(x) and Q(x) have a common factor (x h),prove that (xh) is also a factor of P(x) Q (x).find the possible common factors when P (x)=ax^3 + x^2  15x  18 and Q(x)= ax^3  14x  12.also find the corresponding value of a. Plz show me step of work
asked by youri on April 18, 2017 
Math
cos x = 0.6 , 0
asked by Lester on November 7, 2014 
Math
a) Find the values of x and y so that the ordered data below has a median of 31 and a mean of 31.25. 13, 17, 25, 27, 28, x, 32, 36, 37, 40, y, 47 b) The numbers below have been written in ascending order. Find the values of a, b, c and d if the mode is 15,
asked by Anonymous on July 22, 2016 
geometry
The diagonal of a rectangle is 25 meters long makes an angle of 36 ° with one of the rectangle. Find the area and the perimeter of the parallelogram. how to find the b to arrive to the area?
asked by jaime on March 2, 2017 
Math
I need help with a few problems. Please help. Perform the indicated operation. 13  (22) _______________ 11  (11) A)9/22 B) 450 C)13/11 D)Undefined Multiply (4)(–5)(10). Find the reciprocal of (1/5) (15) Find the receiprocal of (1/3)(9/2)(6)
asked by Sadie on February 22, 2009 
Algebra
A = P(1 + rt) is used to find the principal amount P deposited, earning r% interest, for t years. Use this to find what principal amount P David invested at a 5% rate for 12 yr if A = 7,000.
asked by Lucy on February 7, 2019 
Algebra2
A sound wave is modeled with the equation y = 1/4 cos 2pi/3 θ. a. Find the period. Explain your method. b. Find the amplitude. Explain your method.
asked by Steve on May 1, 2017 
Algebra
A rhombus ABCD has opposite vertices at A(3,2) and C(9,2). Find the equations of its diagonals. One of the other vertices is B(4,3). Find the fourth vertex D Equation of AC Equation of BD Coordinates of D
asked by Veronica on December 13, 2016 
math
Find the equation of the tangent line to y=6^((x^2)4x+8)) at x=3. I have worked very hard on this problem, but I can not find the right answer.... I keep getting: y=[(ln6)(6^5)(6)]+[7776[(ln6)(6^5)(6)]]=7776, but it says this is not correct. Please help!
asked by al on October 9, 2007 
math
a slice of pizza has 290 calories to find out how many write an algebraic expression to find out how many calories there are in a slices of pizza and b stalks of celery
asked by karla on October 1, 2015 
chemistry
1,2 of carbon combined with 0,1 grams of hydrogen to form a compound . a.FIND THE EMPIRICAL FORMULA OF A COMPOUND b.ITS Mr WAS FOUND TO BE 78 ,FIND THE MOLECULAR FORMULA
asked by wendy on August 23, 2017 
Circle question
In a circle with radius 20cm, a chord is drawn with length 12 cm. Find the area of the two regions created. Find the perimeter of the two regions created.
asked by Jennfier on July 31, 2012 
math
how do we find the surface area? top: bottom: right: left: front: back: its still hard when we i find the surface area of a rectanguar prism.
asked by Celest on April 20, 2012 
info again.
I need the story of a cubanamerican that came by boat. I have been searching, I cannot find anything. Please let me know. I am so frustrated. Please help me. If I can find a more detailed story of the koreanamerican rather than the one that you gave me
asked by rose Ms. Sue on June 14, 2008 
Statistics
Suppose a random variable X has a uniform distribution over the interval [10,10]. • Find the probability that X lies between 2 and 6? • Find the probability that X2 lies between 9 and 64? (Note X2 is the square of X.)
asked by Steven on November 13, 2013 
hce
i need to find 3 pet peeves and 2 solutions for each. the probelm is that i cant find any wsolutions. ive found so many diffeerent pet peeves but no soltions. PLZ HELP ME:(
asked by lily on September 15, 2012 
Math
a book cover has the length and width (in inches). top 31b, bottom 2+a+2b,sides 3a  b and 2+a+2b,find the values of a and b? Find the perimeter of the book cover.
asked by Joanne on April 10, 2017 
statistics
If Q2 = D5 = Median Which means if the 2nd quartile equals to 5th decile and also the median.. then how do we find out the fourth decile? I mean is there a way to find it out through this? Then what is D4 going to be? I am talking about Deciles here..
asked by HM on December 3, 2011 
calculus
find the value of m so that the line y = mx divides the region enclosed by y = 2xx^2 and the xaxis into two regions with equal area i know that the area enclosed by y=2xx^2 is 4/3 so half of that would be 2/3 however, i have no idea how to find the
asked by Anonymous on January 6, 2008 
Math
ok 3 questions A. Is a polygon a plane figure (Always,sometimes,never) answer one of three B.find value of x X(squared) +x amd X(squared) + 4 C. Find x. X(squared) + 2x + 40 and x(squared)  x +190 If someone could show me how to do those that would be
asked by Weston on September 12, 2010 
Calculus
Let f(x)=cosxsqrt(1+sinx). A. Let F(x)=the integral of f(x)dx and F(0)=5/3, find F(pi/2). I got 3.386 with Usubstitution B. If G(x)=the integral of f(x)sinxdx and G(0)=1/3, find G(x). I got a reply to this but I did not understand the explanation. How
asked by Anonymous on February 13, 2015 
algebra 2
the general expression for consecutive multiples of 6 is 6N, 6(N + 1), 6(N +2), etc. find three consecutive multiples of 6 such that 4 times the first exceeds twice the third by 12. Let N be the first, so n+1 is next, etc. 4(6(n+1))2(6(n+3))=12 so, find
asked by lana on July 17, 2007 
Math
Triangle ABC is a right angled at A. AD is perpendicular to BC,AB=5cm,BC=13cm andAC=12cm. Find the area of triangle ABC.also find the length of AD
asked by Rohit on March 5, 2017 
calculusadd
(2y1)dy/dx=(3x^2+1) given that x=1 when y=2 plz show step thanks 2) (a)find the general solution of the equation (x2)dy/dx+3y(x1)/(x+1)=1 b)given the boundary condition y=5 when x=1,find the particular solution of the condition given in (a) a little
asked by ... on January 1, 2017 
College Algebra
How to find the values of x,y and z and to show the condition stated below? 2yz + zx − 5xy = 2 yz − zx + 2xy = 1 yz − 2zx + 6xy = 3 Show that xyz = ±6 and find all possible values of x, y and z.
asked by Darone on October 11, 2014 
pre calc
f(x)=3x+2 a) express the slope of the secant line of each function in terms of x and h. b) find msecant for h=.5, .1, and.01 at x=1. c) find the equation for the secant line at x=1 with h=1.01 I got 3 for a but don't know how to do the others becaus a
asked by rebekah on September 9, 2012 
Algebra 2
So the problem is asking to find cos(α+β) The problem gives me sinα= 12/13, 0
asked by Ann on April 11, 2016 
Calculus
Find the anti derivative of the following: 1. u^2(1u^2+u^4)du 2. (sqrt(x)+ 3/x  2e^(x))dx The anti derivative symbol is in front of the equations. Also need help on find f(x) so that it satisfies f'(x) = 1+e^x+1/x and f(1) = 3+e. Please show steps so I
asked by Rene on April 16, 2013
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