# find d/dx (integral from 2 to x^4) tan(x^2) dx tan(x^4)^2*4x^3 MY ANSWER

140,654 results, page 80-
## calc 1

If h(x) = the square root of 4 + 3f(x) where f(2) = 4 and f '(2) = 2, find h'(2). i got the derivative as 1/2(4+3f(x))^-1/2 then i solved for the inside which is (0+3(8)) then multiplied the the two eating and i got 3.... but answer is wrong =(

*asked by feather on February 18, 2016* -
## calculus

Find an equation for the surface consisting of all points P(x, y, z) equidistant from the point P(0, 1, 0) and the plane x = 3. Answer Choices: 1. y2 + z2 − 6x + 2y − 8 = 0 2. x2 + z2 + 6y − 2z − 8 = 0 3. y2 + z2 + 6x − 2y − 8 = 0 4. x2 + z2

*asked by Bob on October 27, 2010* -
## MATH help

I need help with this find the sum or difference. write the answer in simplest form. question is 3 5/6 -(-2/3) If you help me i'll take you out and we can get some food and go see the movie IT!

*asked by Gary Windthorpe ;) on September 19, 2017* -
## Math

Question : find (h,k) and radius x^2 + y^2 +1/2x + 2y +1/16 = 0 According to the equation : (x−h)^2+(y−k)^2 = r^2 x^2 + y^2 +1/2x + 2y +1/16 = 0 (x^2+1/2x+1/16)+(y^2+2y+1)=−1/16+1/16+1 (x+1/4)^2+(y+1)^2=1 so (h,k) = (-1/4, -1) and r = 1 theres no

*asked by K on May 8, 2018* -
## math

find an equation of the line that passes through (-5,-5) and that is parallel to 5x+6y+18=0 . give the answer in slope intercept form .

*asked by Anonymous on April 4, 2016* -
## Add maths form 4

The quadratic equation 2qx(x+1)-8x^2-1, where q is a constant, has no real roots. Find the range of values of q. Answer given is -2

*asked by Sha on January 31, 2015* -
## geometry

Find the area of a regular pentagon with a side of 6 ft. Give the answer to the nearest tenth. ok can't remember how to do this

*asked by cindy on January 12, 2012* -
## Math

0.00013x^2 + 0.0063x - 4.7=0 Ans: x= -215.91,167.45 Find x I used -b± sqr b^2-4ac/2a I couldn't get that answer. please help.

*asked by Jay on September 3, 2015* -
## chemistry

What is the total change in entropy when 10.0 g of ice melts at 25.0°C? DHfus = 6.01 kJ/mol The answer is 1.03 J/K but idk how to find it.

*asked by paula on March 29, 2015* -
## language arts

Unscramble letters to find the answer to what's the first thing you should do when you have a big problem to solve. Three words ULARAEPGNYT

*asked by alexis on December 10, 2015* -
## math

Explain how to find the sum positive eight plus negative ten using game chips, then give the answer.

*asked by chachis on August 15, 2011* -
## World History

I fogot to bring home my history book, and I can't find this answer anywhere! What were 5 results of the Peace of Westphalia? Please help me!

*asked by Jillian on September 12, 2007* -
## Algebra Please help!!!!

I need assisatnce with this. I do not want the answer I just want some guidence on how I should start it. The width of a rectangle is 5 ft, its length is (3x+2) ft, and its area is 75 ft². Find x

*asked by Liz on October 20, 2011* -
## geometry

In triangle FGH, g = 8ft, h=13ft, and m=F= 72degrees. Find m

*asked by Steve on March 23, 2016* -
## math (2)

Find the area of the shaded region y= 2x/(x^2+4) from x= -2 and x= 2 Note: People have been telling me that the two lines do not intersect but they do there has to be an answer. please help me. Thanks

*asked by Mia on April 27, 2014* -
## math

Find the limit, if it exists. (If an answer does not exist, enter DNE.) lim x→∞ (sqrt(49x^2+x)−7x)

*asked by TayB on February 11, 2015* -
## stats-please help

repost MEAN=10 & STANDARD DEVIATION =2. FIND THE PROBABILITIES: 9.4 less than X less than 10.6 i have 2 different answers but am checking the answer. thank you one is 0.6179 the other is 0.2358

*asked by jean on March 8, 2011* -
## geometry

The measures of all angles in a regular octagon are (4x + 12)°. Find the value of x. Show equations and all work that leads to your answer

*asked by FlowerChild on January 26, 2012* -
## Trig

Need answer check pls. Find the rectAngular equation for the plane curve by parametric equAtions. X=t +4 , y= t^2

*asked by Stacey grahaM on April 25, 2010* -
## Social Sudies

I can't find the answer to my crossword puzzle! Here it is: A nation's factories, machines, etc. are it's____________capital. I know it's an 8 letter word, but that's all!

*asked by Tori on April 11, 2012* -
## ALGEBRA

Find the surface area and volume of a cylinder with a radius of 4 and a height of 6 (pls explain the answer)

*asked by Santana on February 24, 2016* -
## Algebra

Find all intervals on which the given expressions are positive. (x-1)(x+2) I know the answer is : x1 please show me the steps on how to solve this math problem.

*asked by Alex on August 12, 2012* -
## Math Help

Triangle ABC has coordinaes A(1,4); B(3,-2); and C(4,2). Find the coordinates of the image A'B'C' after a reflection over the x-axis. My answer A'=(1,-4) B'=(3,2) C'= ( 4,-2) Am I correct? Thank you.

*asked by Callie on November 5, 2014* -
## Biology

What are the genus and species of Dragonfly, Water Boatman and Caddisfly??? I've looked all over the internet and i cant find the answer!!!!

*asked by Delaney on October 1, 2009* -
## All??

Can anyone tell me where to find a website for a free answer key for 2012 mosby's nursing assitant Workbook??

*asked by Pango on October 31, 2012* -
## Statistics

A multiple choice test has 24 questions each having 4 possible answers. If you guess each answer, find the probability of getting Between 9 and 15 correct

*asked by Kalee on April 27, 2015* -
## statistics

How do I go about finding the answer to this type of question? Find the standard score (z) for which 50% of the area under the normal curve is below the mean.

*asked by MissPatte on September 5, 2014* -
## math

hi ms.sue could you please check my answer in problem The perimeter of a square is 64ft. Find the length of a diagonal. c=22.62

*asked by lisa on April 28, 2012* -
## Trig

Please explain inverse functions. i.e. find angle if Sin x = 2.3 divided by 8.15. Answer 16.30 degrees. How did they do that??? Tks

*asked by John on December 4, 2008* -
## Earth science

Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs

*asked by Sue on March 15, 2016* -
## trig

Find the angle between 0 and 2pi that is coterminal with negative one half pi; expressing the answer in radians in terms of pi.

*asked by Jay on May 19, 2011* -
## Algebra

Find the sum of the first four terms of the geometric sequence with a = -3 and r = 3. I have NO idea how to attempt to solve this. I do not want an answer just instuctions. Thanks

*asked by Kelly on January 11, 2010* -
## Geometry

The measures of all angles in a regular octagon are (4x + 12)°. Find the value of x. Show equations and all work that leads to your answer.

*asked by Katheryn on January 13, 2011* -
## Math (6)

Find the area of the following two curves. y= sqrt(x) y= x-2 Note: People have been telling me that the two lines do not intersect but they do there has to be an answer. please help me. Thanks

*asked by Mia on April 26, 2014* -
## Math

Could someone answer this question so I understand it. Thanks. Find the antiderivitive of the following derivitive that satisfies the given condition. dy/dx = 4x+4/3rd root of x y(1)=0 y(x)=

*asked by JL on April 25, 2011* -
## calc

let v=i+j+k and w=-2i -k find the magnitude of the projection of w onto v I thought i use the equation proj w onto v= (v.w)/lvl so i got -3/sqrt3 but the answer is 1/sqrt 3

*asked by rolloo on August 4, 2014* -
## Chemistry

calories given off when 85g of water cools from 48C to 23C. Express your answer using two significant figures. I know the answer is 2100 cal, but I just need to know why the answer is a positive value instead of negative, when it is supposed to be cooling

*asked by Sam on September 8, 2011* -
## algebra

Will someone check my work here and let me know if I am right. Thanks. Evaluate x+y/7 for x=44 and y=12 My answer is x+y/7=8 2. Translate to an algebraic expression. The product of 42% and some number. The translation is .42x=y 3. Use < or> to make the

*asked by babs on August 3, 2011* -
## World History (CHECK ANSWERS!)

What innovations did ancient Mesopotamians pass on to later civilizations? Select all that apply. -calendar(my answer) -gunpowder -legal code -mummification(my answer) -silk production -writing(my answer)

*asked by Bel on August 29, 2016* -
## math

Solve the quadratic equation by completing the square. Verify your answer graphically. (Enter your answers as a comma-separated list.) 16x2 − 24x − 23 = 0 I got this answer: 16(x−3/4)^2−32=0. Is the answer i got correct?

*asked by Anonymous on February 7, 2019* -
## Algebra

To find the product 3/7 multiplied by 4/9, Cameron simplified 3/7 to 1/7 and then multiplied the fractions 1/7 and 4/9 to find the product 4/63. What is Cameron's error? Please help answer thanks

*asked by Ms. Stephie on September 28, 2014* -
## algebra/math

i know this is probably a really simple answer and i'm gonna want to hit my head on a wall after i get it, hopefully, but how would i find a unit rate and then simplify it, if possible? like, 3 pages/5 hours? like the directions just say to write as a rate

*asked by bridget on August 23, 2007* -
## Math, NEEDS HELP EMEDIETLY!

Q: Marissa Is researching information about martial arts students. She found that 7 out of 12 martial arts students practice each day. there are 144 students at her school. Part A: Predict how many students practice every day. Part B: What Is The Sample

*asked by Agal on April 22, 2016* -
## Calculus

Hello...i just had a quick question...its probably something easy to get...maybe i am thiking too hard...but the question is estimate the volume of solid that likes above the square R=[0,2] * [0,2] and below the elliptical paraboloid z=16-x^2-2y^2..divide

*asked by Kim on November 5, 2007* -
## Math(check)

1)Find the range of the relation [(-1,4)},(2,5),(3,5)}.Then determine whether the relation is a funtion. 4,5,5 is the range 4,5 is a function 2)Find f(-1),if f(x)= x^2-6x/x+2 (-1)^2-6(-1)/-1+2 1+6/-1+2 7/1 =7 3)Find f(a),if f(t)= 2t^2-t-2. 2(a)^2-a-2

*asked by erin on July 26, 2007* -
## English

Which of the following is a good test-taking strategy for multiple-choice questions? 1.Answer C is almost always the correct answer, so pick C if you don’t know the answer. 2.Read the answers first, and then read the question. 3.When in doubt, provide

*asked by Help I need somebody not just anybody on January 20, 2017* -
## MATH

there is a triangle with a base of 2.4 m and both sides are 1.7 m. it is a right triangle. what the heck is the answer? i have an answer sheet and i know the answer is 41 but how do you get that answer?

*asked by j on March 4, 2010* -
## Algebra 1

17) Simplify [32/-8]/-1/2 Answer: -8 18) Add -7+(-9) Answer: -16 19)Solve 7(3x -2)=28 Answer:x=2 20)Solve using the addition principle 6.4=x-3.7 Answer:x=10.1

*asked by deedee on November 5, 2008* -
## Math help

(a) A street guide for Belfast has a scale of 1:15 000. A walkway through the city is 2.4 km long. Find the length of the walkway on the map. Give your answer in centimetres. (b) Ormeau Park in Belfast has an area of about 25 cm2 on the same map. Calculate

*asked by JAndu Andu on May 22, 2010* -
## math

(a) A street guide for Belfast has a scale of 1:15 000. A walkway through the city is 2.4 km long. Find the length of the walkway on the map. Give your answer in centimetres. (b) Ormeau Park in Belfast has an area of about 25 cm2 on the same map. Calculate

*asked by Kheladi Nep on June 10, 2010* -
## Poetry - PLZ CHECK OVER

The sun was shining on the sea, Shining with all his might: He did his very best to make The billows smooth and bright – And this was odd, because it was The middle of the night. The moon was shining sulkily, Because she thought the sun Had got no

*asked by Nani on March 8, 2016* -
## math.......

I need help. This is an example problem, but i am having trouble finding the answer to all problems like this. I came up with 50 something as my answer. That is NOT an option. Please help!!! this is the example problem. If a pair of jeans costs 39.50

*asked by please help FAST :) on January 26, 2017* -
## Math

find median 4,5,6,8,11,17 answer 7 find mean and median 68,69,71,75,76,76,81,82,86,88,93,94,95,95,96 answer mean is 83 median is 82 ?

*asked by david on October 17, 2009* -
## Calculus II Help Please

Only question I can't do on the assignment In pharmacokinetics the area under the graph of the drug concentration function with respect to time can be used to determine the total amount of the drug absorbed (the area is actually proportional to the amount

*asked by Anonymous on January 13, 2015* -
## Intermediate Algebra

Am I going in the right track? 8x -1/x + 5x - 3/2x = 16x^2 - 2x/2x^2 + 5x^2 - 3x/2x^2 16x^2 - 2x + 5x^2 - 3x/2x^2 =21x^2 - 5/2x^2 Find the LCD 6/7z- 28, 8/x^2 -4x = 7x(x-4) Simplify 3x^2 - 2x/15x-10 = x/5 Let's start by looking at your first problem: 8x

*asked by Richard on November 3, 2006* -
## Math (Repost)

*not multiple choice* u^-3 = 1/125 y - 1 = 4y - 2/3 * not sure how to do this what is the y intercept of the line? y= -3x - 5 * my answer is 5 when 40 is added to the number miles she ran last week..the result is the same as adding 10 to 4 times the number

*asked by Anonymous on December 17, 2014* -
## alg.

Find the slope of the line passing through the points (–2, 1) and (3, 9). I know the equation to figure this out is: m = y(2) + y(1) ----------- x(2) + x(1) but its a multiple choice question and my answer is not the same as the choices. how exactly do I

*asked by lacy on July 30, 2007* -
## English

I'm writing you again for help with one scientific text. The title is: Pet ownership, dog types and attachment to pets in 9–10 year old children in Liverpool, UK. What I have to do, is to answer 25 questions we've got about that text, but as non-English

*asked by Sonja on September 8, 2013* -
## pre calc

To measure the height of the cloud cover at an airport, a worker shines a spotlight upward at an angle 75° from the horizontal. An observer D = 600 m away measures the angle of elevation to the spot of light to be 45°. Find the height h of the cloud

*asked by Ruth on March 27, 2017* -
## pre calc

To measure the height of the cloud cover at an airport, a worker shines a spotlight upward at an angle 75° from the horizontal. An observer D = 600 m away measures the angle of elevation to the spot of light to be 45°. Find the height h of the cloud

*asked by rachel on March 27, 2017* -
## chemistry

How much heat is required to raise the temperature of 200 g CH3OH from 20 to 30 degrees and then vaporize it at 30 degrees. The molar heat capacity of CH3OH is 81.1 J/Mol/K. Okay...the answer is approximately around 254. It was a homework problem. The

*asked by joseph on February 13, 2010* -
## Spanish

I need help understanding how to ask/answer questions using the word 'Que'. If the question is ?Que' estudias tu'? is the correct answer: 'Yo estudio ___' and then whatever you're studying or could I simply answer 'Estudio ____' Also, in these questions,

*asked by Kara on May 5, 2009* -
## chemistry

How much heat is required to raise the temperature of 200 g CH3OH from 20 to 30 degrees and then vaporize it at 30 degrees. The molar heat capacity of CH3OH is 81.1 J/Mol/K. Okay...the answer is approximately around 254. It was a homework problem. The

*asked by joseph on February 13, 2010* -
## College Algebra

Please Explain your reasoning Part 1: Suppose that the number of new homes built, H, in a city over a period of time, t, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the number of homes built can be

*asked by Vision/Help! on November 3, 2007* -
## Check my answer please!

Macy enters a formula and presses Enter. She sees #Data! in the cell instead of the answer. This means _____. A) the cell is not wide enough B) there is too much data C) the answer is greater than one million D) there is a mistake in the formula I am 90%

*asked by Tori on March 13, 2017* -
## Statistics

Hi, I have to answer if each questions is a nominal, ordinal, interval discrete, interval continuous, ratio discrete, or ratio continuous. I would like to know if my answers are correct and if wrong what is the correct answer. Thanks 1. Highest level of

*asked by Paul on September 19, 2010* -
## Calculus

a particle starts at time t = 0 and moves along the x axis so that its position at any time t>= 0 is given by x(t) = ((t-1)^3)(2t-3) a.find the velocity of the particle at any time t>= 0 b. for what values of t is the velocity of the particle negative? c.

*asked by Lauren on September 10, 2009* -
## Intermediate Algebra

To find the distance across a canyon, a surveyor inserts poles at two places on the same side of the canyon as indicated below. using the surveyor's measurements given below, find the distance across the canyon. (the answer can be in simplified radical

*asked by Anonymous please help on December 16, 2012* -
## Physics

A 60.9 kg climber is using a rope to cross between two peaks of a mountain as shown in the figure below. He pauses to rest near the right peak. Assume that the right side rope and the left side rope make angles of 26.7° and 14.33° with respect to the

*asked by Sinisa on October 15, 2013* -
## algebra

please write and equation, show your work, and find the answer: 1.a certain two-digit number has a value that is seven more than six times the sum of its digits. the tens digit is 3 more than the units digit. find the number 2.In Colorado Creek, Darrell

*asked by Bri on February 16, 2011* -
## Calculus AB

Sorry but I've got a lot of problems that I don't understand. 1) Let f(x)= (3x-1)e^x. For which value of x is the slope of the tangent line to f positive? Negative? Zero? 2) Find an equation of the tangent line to the oven curve at the specified point.

*asked by Annie on October 30, 2016* -
## Science

[I choose a.] How did the CITIES treaty reduce the slaughter of elephants? a.it offered a bounty to tribal leaders for identifying poachers b.it banned imports and exports of all ivory worldwide c.it limited sales of ivory to the antique market. d.both (a)

*asked by Mack on March 18, 2007* -
## English

Sorry about the multiple question posts I’m just trying to prepare for an upcoming test and I figured the best way to do so is to practice. In each sentence below, find a participle or participial phrase that modifies the word in parenthesis. 1.

*asked by Susanne on February 7, 2010* -
## physics (mechanics)

Practice problem: A rocket sled for testing equipment under large accelerations starts at rest and accelerates according to the expression: a= (2.8 m/s^3)t + (3.9 m/s^2) How far does the rocket move in the time interval t=0 to t=0.81 s? This is just a

*asked by John on August 28, 2010* -
## Anatomy

Please help me grade this questions; 1. What is the name of the biggest part of the human brain? My answer: The Cerebrum 2. The colored part of the human eye that controls how much light passes through the pupil is called the? My answer: Iris 3. What is

*asked by Fiyin on December 10, 2018* -
## Pigskin geography

I need help with week number 6, the question about bullfrogs. I got the first part but I still don't have how far away you can hear them. I also need help with the comic question about Leif Erickson. Thanks! Please repost with the specific questions, so we

*asked by Lanna on October 12, 2006* -
## Math

You buy a television for $550. That price included a 10% sales tax. what is the price without sales tax? The answer choices are A)$500 B)$605 C)$55 D)$550 I did a proportion to find this answer by doing: 10/100=x/550 ;and I ended up getting $495, which is

*asked by Audry on December 26, 2014* -
## math

For the following pair of functions, f(x)-x+2, g(x)-√x-1 find each of the following and state its domain: a.) find (f+g)(x) b.)find (f-g) (x) c.) find (fg)(x) d.) find (ff)(x) e.)Find (f/g)(x)

*asked by Chris on July 21, 2014* -
## Trignometry

1) If

*asked by Anonymous on September 11, 2010* -
## English 3

1) Select the abbreviation that tells how the italicized noun clause is used. S-subject, DO-direct object, SC-subject complement, OP-object of preposition Our study efforts should go to (whatever subject is most in need of improvement.) *my answer is DO

*asked by Debra on September 18, 2012* -
## Algebra

A ball is thrown upward with an initial velocity of 14 meters per second from a cliff that is high. The height of the ball is given by the quadratic equation where h is in meters and t is the time in seconds since the ball was thrown. Find the time that

*asked by Sherry on March 4, 2013* -
## Algebra

Hello, I have been trying a few ways to do this problem and am not having success. The sum of four consecutive odd integers is -212. Write an expression for the second, third and fourth odd integers. Use these expressions to write, and solve an equation to

*asked by Martha on September 18, 2011* -
## physics please

there are nearly (pi) x (10^7) seconds in one year. find the percentage error in this approximation, where percentage error is defined as abs value[ (assumed value - true value)/ true value] x 100% to find the true value I did: (365 days/yr) x (24 hours/1

*asked by sam on January 22, 2010* -
## College Algebra

What is the answer to: The plane was purchased new in 2006; therefore, x = 0 represents the year 2006. X - axis (horizontal)= years starting from 0= 2006 and increasing by 0.5 years X - axis (vertical)= price in $ amounts from 24,000 to 240,000 a). List

*asked by Stephen on December 31, 2011* -
## us history

Can you help me on this? How consistent were the republican principles applied by Thomas Jefferson and James Madison during their presidencies? How did their policies affect the Federalist Party during Jefferson's and Madison's administrations? I can't

*asked by Andrea on September 26, 2012* -
## math

Simplify using Pascal's Triangle: state a term number of formula and a value. What term number (Tn,r)is your answer? find the sum of row 12? I know that the sum is 2^12=4096, how would you find the term number?

*asked by Josh on February 14, 2013* -
## solid mensuration? help.

Window glass formerly was made by gathering a lump of molten glass on the end of a hollow rod blowing it into the form of a large hollow cylinder about 6 ft. long and 1 1/2 ft. in diameter. This was cut longitudinally and then placed in an oven and heated

*asked by sara on May 12, 2012* -
## Spanish

Can someone please proofread my Spanish paragragh? It's for an exam. In case you think I'm cheating, the teacher told me to write a practice paragraph and get it proofread so I will do better on the exam. Write a letter to your new pen pal/. Describe

*asked by Larry on April 14, 2009* -
## Physics repost

A 2.00 resistor, and a 12.0 resistor are connected in parallel across a 20.0-V battery. What is the current flowing through the 2.00 resistor? A)1.67 A B)1.40 A C)11.6 A D)10.0 A This is all I understand. Can you explain step by step and show how to get

*asked by Jon on April 9, 2008* -
## EnglishCheck

CHECK PLEASE 1. (Points: 2) The bank will not (lend, loan) money for home repairs. b. loan Save Answer 2. (Points: 2) My allergies sometimes cause me to (loose, lose) my voice. b. lose Save Answer 3. (Points: 2) Please leave the report on the desk, and

*asked by HM on October 30, 2011* -
## Math

Using the formula for the surface area of a SPHERE: Use Pi = 3.14 If the diameter of a sphere is 8 feet, find the surface area (round to the nearest square foot) 201 sq ft If a quart of paint covers 75 square feet, how many quarts of paint are needed to

*asked by Mike on May 16, 2008* -
## vocab

continue vocab 2- bound A tied B released C confirmed D restrained answer B 3- loathed A detested B loved C hated D despised answer B 4 strive A attempt B try C give up D fight for answer C

*asked by john on April 10, 2009* -
## Chemistry

What will be the pH of an aqueous solution containing 0.040 mol/L sodium hydroxide?? I got 1.40 or 1.398 I rounded the numbers is my answer right??? If not what's the right answer?? I know I wrote the question again, because on the previous answer I did

*asked by Tarkan on December 23, 2010* -
## English

Hi! ____ 1. Choose the answer that best matches the word in quotation marks. Walter Mitty the Undefeated, "inscrutable" to the last. (1 point) a) devilish b) mysterious c) notorious d) stubborn My Answer: D Could someone please check my answer? Thanks!

*asked by Da Fash on December 8, 2017* -
## The Importance of Being Ernest

Why does Ernest/Jack and Algernon both have fake characters? I just want to clarify my answer for my study guide since they are all written responses and have no multiple choice options so my answer is below. My answer: So they both have an opportunity to

*asked by Nina on June 1, 2016* -
## Chemistry: Electron Configurations

Write the electron configuration for the following ion. V3+ I got 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2. In simplified form, I got [Ar]4s^2. I checked my answer against the answer given in the back of my chemistry textbook, and the two didn't correspond. The

*asked by Anonymous on November 4, 2009* -
## civics

I couldn't not find the answer to this in my book. The county form of local government is found in a. about half the states, b. all but two states, c.only 2 states, d. fewer then half of the states. I am guessing that since my book says " over the past

*asked by Tiffany on April 26, 2010* -
## Statistics

Using the following information find a 95% confidence interval for the intercept in the regression of measured distance on recession velocity. VARIABLE COEFFICIENT STANDARD ERROR Constant 0.3391 0.1185 Velocity 0.001373 0.000227 T-STAT P-VALUE 3.369 0.0028

*asked by MMK on March 14, 2007* -
## Algebra

Could someone please help me find x in this problem and explain how you got the answer? 2(3x - 1) = 5 - (x + 3) I checked the answer I got in the back of my algebra book and it said the answer was 4/7 but my answer was wrong. How did they get 4/7 out of

*asked by Jamie on August 12, 2006* -
## rf value of lycopene

Is the the rf value of lycopene and with what solvent can you use as a mobile phase on a TLC? I don't know the answer here but I looked on the Internet and found something that may get you started. I found the Rf value for lycopene to be between 0.4 and

*asked by paul on February 19, 2007*