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

138,238 results, page 81-
## algebra

Can anyone tell me where I can go to find a better understanding on how to solve this type of problem: (-7,2); 3x=2y+9. what is the equation of the line is y=() simplify the answer using integers or fractions.

*asked by Amanda R on September 8, 2010* -
## ELl

how do various sources relating to the learners' progress be used as a tool to drive the standardard- based instruction or can you tell me where to find the answer

*asked by Anonymous on September 29, 2009* -
## math

Explain how to find the sum negative sixty-five plus positive forty-one using a number line, then give the answer.

*asked by chachis on August 16, 2011* -
## algebra 2

Find the set of all integers, n, for which the fraction 20/(10-n*n) is an integer I used n*n for n squared I figured that 10-n*n must be a factor of 20 and the only answer that ended up working was +-3, is this right?

*asked by Terri on April 11, 2008* -
## Calculus

find area of the region bounded by the curves y=x^2-1 and y=cos(x). give your answer correct to 2 decimal places.

*asked by joe9 on April 27, 2015* -
## Algebra

Find the perminter of the rectangle 9inches on top 3 inches on side. How do i set up the equation? Nevermind I got the answer

*asked by Rizzle on June 28, 2007* -
## math

Find the average rate of change from x = 10 to x =17 for the function f(x) = 0.01(2) ^x and select the correct answer below A. 10.24 B. 185.78 C. 1300.48 D. 1310.72 Is it A?

*asked by Help me please, urgent on December 8, 2015* -
## Algebra I Math

Find the average rate of change from x = 10 to x =17 for the function f(x) = 0.01(2) ^x and select the correct answer below A. 10.24 B. 185.78 C. 1300.48 D. 1310.72 Is it C?

*asked by Help me please, urgent on December 8, 2015* -
## algebra

find the slope of the line that contains (1,6) and 10,9) i thought the answer was -3 - 9 but i guess that is incorrect where did i go worng? any halp is greatly apreciated!

*asked by julie on January 20, 2010* -
## Math

How would I find the derivative of y=cotx with respect to x and also the answer should be in simplified form This is what I got: y= 1/tanx Y= cosx/sinx Idk what to do next

*asked by Fay on December 15, 2015* -
## math check

I have a problem that I need checked it is the produce of the reciprocals of two consecutive integes is 1/182 Find the integers. I have as the answer -13,-14 or 13,14 is this correct?

*asked by Shawn on October 12, 2008* -
## to SRA or Mathmate corrected answers for French

I got the rest execpt this one Marie joue au football. Elle est------. I have been looking in my textbook for the last 20 minutes and still can't find the answer. Can someone please help me!!

*asked by bubbles on October 12, 2009* -
## calculus

Find the solution of the differential equation that satisfies the given initial condition. dp/dt=2 sqrt(pt), P(1)=5 my answer: P=(2/3t^(3/2)+(15sqrt(5)-10)/15)^2 how is it wrong?

*asked by kyle on March 21, 2016* -
## cal

Finding Partial Derivatives Implicitly. Find dz/dx and dz/dy for 3x^(2)z-x^(2)y^(2)+2z^(3)+3yz-5=0 How would you type this in wolfram alpha calcultor to get the answer? Thanks,

*asked by jay on March 15, 2014* -
## Physics- science

An automobile with an initial speed of 4.82 m/s accelerates uniformly at the rate of 2.2 m/s2. Find the displacement of the car after 5.9 s. Answer in units of m

*asked by Destiny on September 13, 2011* -
## Math

How would I find the smallest three digit number that is divisible by exactly three different prime numbers? My friend says the answer is 2 - 3 - 17 but won't tell me how he got it. Any help would be much appreciated. Thank You.

*asked by Kyle on August 9, 2015* -
## math

Find the surface area of a right rectangular pyramid with a base 10 in by 8 in and a height of 10 in. (Answer to the nearest square inch)

*asked by Anonymous on October 20, 2014* -
## Trig

Find all solutions of the equation in the interval [0,2pi). 2sin theta+1=0. Write answer in radians in terms of pi.

*asked by James on August 20, 2015* -
## Continuity Calculus Help

The given function is defined for all x > 0 except at x = 8. Find the value that should be assigned to f(8), if any, to guarantee that f will be continuous at 8. (If an answer does not exist, enter DNE.) f(x)= Sqrt( x^2-64/x-8)

*asked by Carli Minacapel on February 8, 2017* -
## geometry

Find the measure of each exterior angle of a reguler 11-gon. round your answer to two decimal places if neccesary?

*asked by aaron on September 8, 2010* -
## calculus

Find the smallest positive value of x which satisfies 1.400cos(1.000x) Give answer in four decimal places for accuracy.

*asked by Anonymous on November 1, 2011* -
## Applied Calculus

Find the relative extrema, if any, of the function. Use the Second Derivative Test if applicable. (If an answer does not exist, enter DNE.) g(x)=x^(3)-9x

*asked by Jacob on March 4, 2013* -
## Physics

Find the average velocity over the time interval from 1 to 3 seconds. Express your answer in meters per second to the nearest integer.

*asked by Whitney on January 31, 2011* -
## Algebra 1

A boat travels 36 miles in 60 minutes. Find the unit rate. Round you answer to the nearest thousandth if necessary.

*asked by Anonymous on October 8, 2013* -
## Trigonometry

Find the area of a sector, given a central angle of 240° and a radius of 15 cm. Round your answer to the nearest tenth please.

*asked by CJ on January 13, 2011* -
## physics

A newly established colony on the Moon launches a capsule vertically with an initial speed of 1.453 km/s. Ignoring the rotation of the Moon, what is the maximum height reached by the capsule? km The answer key is 1040km. I have tried v^2/2g

*asked by joy on March 9, 2018* -
## Math

So this is a math quiz I took a few months ago and they said I can redo it, but I have to explain why the correct answer is correct... And idk. Which equation represents 15 more than r is 61? The answer is r + 15 = 61 but idk why? What is the value of 4^2

*asked by Megan on December 16, 2015* -
## math

*This is orders of magnitude* 1)So, I have to estimate 16,700,000,000,000,000 the product of a single digit of 10. - 2 x 10^16 - 2 x 10^15 *my answer* - 1 x 10^16 - 1 x 10^15 2)0.00000394 estimated as the product of a single digit. ____ x 10____ *fill in

*asked by Anonymous on September 10, 2014* -
## Calc II

Use the comparison or limit comparison test to decide if the following series converge. Series from n=1 to infinity of (4-sin n) / ((n^2)+1) and the series from n=1 to infinity of (4-sin n) / ((2^n) +1). For each series which converges, give an

*asked by Lauren on November 7, 2012* -
## Math - Please Help Check My Answer

Please help me with the following question: A student attempts to solve for c in the equation below. Which statement best applies to the work shown below? 3c + 6 - 4c - 12c = 7 -13c + 6 = 7 -13c + 6 + (-6) = 7 + (-6) -13c = 1 c = -1/13 A. The student

*asked by Brady on October 22, 2014* -
## science!

i have 6 questions, each with an answer. i would appreciate if you review the questions check my answers. tank you very much tutors. variables and graphing assessment practice Ethylene is a plant hormone that causes the fruit to mature. The data below

*asked by anon on September 10, 2015* -
## Physics-Gauss' Law, hard

Thank you Damon for answering my first questions fast and accurately. Do you or anybody else know how to do these harder Gauss' Law Problems? 1. A solid metal sphere of radius R has charge +2Q. A hollow spherical shell of radius 3R placed concentric with

*asked by Bobby on March 23, 2008* -
## medical terminology

I'm taking the medical terminology course and I'm at the part of the course that is working with ICD 9 CM codes. I'm in Chapter 2 of the Medical & Dental Associates, P.C. Insurance Forms Preparation work book and now I'm trying to do the exercises but I

*asked by gabby on January 17, 2011* -
## Math 156

1)Suppose you buy 1 ticket for $1 out of a lottery of 3000 tickets. If the prize for the one winning ticket is to be $500, what are your expected winnings? I'm assuming the answer for this one is $0.00 2)A basketball player with a free throw shooting

*asked by jessica on August 7, 2009* -
## @ elena - intro to physics

I posted this question earlier and thank you for respnding, but the answer you give me was incorrect. I try looking at hw you solve and cant find the mistake but when when I check your answer it said it was wrong. Can you please look over it again, I

*asked by emilia on April 15, 2012* -
## Math

Write the algebraic expressions for the following. Please check and correct me if I'm wrong!! 1. 3 less than 5 times a number. Answer: 5x-3 2. 18 fewer than half a number. Answer: 1/2x-18 3. 3 more than the quotient of a number and 2. Answer: x/2+3 4. 4

*asked by Anonymous on August 31, 2014* -
## Algebra

1. What is the equation for the line that passes through the point (-5,2) and has a slope of 0? Answer-2 2. What is the slope of the line that passes through the points (-2, 4, 15) and (1, 1.24)? Answer- -2.91 3. Write a funciton rule for the table shown x

*asked by lizzie on August 7, 2011* -
## math

sums and differences of rational algebraic expression answer the following perform the indicated operation reduce answers to lowest term 2x/x^2-2x-15 - x-2/3x^2+9 another is t/2rs^2 - 2r/3rst + 3s/30r^2t another is 3x/2x-3 - 2x/2x+3 + 3/4x^2-9 please

*asked by jazmin on October 8, 2010* -
## Earth Science

Seismic waves move faster through which of the following media? a.) water b.) steel c.) oxygen d.) oil Please answer my study guide is due Monday and the teacher hasn't gone over this I looked through my notes and everything. It would really help if you

*asked by ? on January 13, 2013* -
## Algebra

Question 1 Solve using the multiplication principle then graph. -15>-75 Question 2 Translate to an equality. Use the variable x. The number of people in the chess clubi less than or equal to 15. Question 3 Solve using the addition and multiplication

*asked by Queen D on March 7, 2010* -
## pre calculus

1.) If h(x)= (fog)(x) and h(x) = 3 over the square root of x+3 , find g(x) if f(x)= 3 over the square root of x+2. my answer is x+1. Am I right? 2.)If f(x)=3x,g(x)=x-3,and h(x)= the square root of x, find (fogox)(X). I really didn't get this will someone

*asked by Leo on April 6, 2013* -
## Math (calculus) (mean values)

A company introduces a new product for which the number of units sold S is given by the equation below, where t is the time in months. s(t)=155(7-9/(2+t)) a) Find the average rate of change of s(t) during the first year. Which my answer was 1395/28 b)

*asked by Ray on November 27, 2016* -
## Math

The points (4, –5) and (– 4, 1) are endpoints of a diameter of a circle. (a) Find the center of the circle. (b) Find the length of the radius of the circle. (Note that this is a distance.) Give the exact answer. Show work. (c) State the equation of the

*asked by Kate on June 24, 2009* -
## Math

Anne now has a balance of $900 on her credit card, on which 1.5% interest per month is charged. Assume that she makes no further purchases or payments (and that the credit card company doesn't turn her account over to a bill collector). (a) Find the rule

*asked by Anonymous on November 6, 2010* -
## Physic

You hold a uniform, 26.0-g pen horizontal with your thumb pushing down on one end and your index finger pushing upward 3.2 cm from your thumb. The pen is 13.9 cm long. Find the two forces. Force of Finger (Answer: 0.553N) Force of Thumb (Answer: 0.299N)

*asked by Anonymous on May 1, 2014* -
## algebra PLEASE HELP ASAP

1. the probability of a basketball player hitting a foul shot is 1/3. how many shots would you expect her to make in 90 attempts. a. 30 b. 60 c. 3 d. 45 my answer is b? 2. simplify 8P3. a. 42 b. 336 c. 40,432 d. 56 my answer is d? 3. how many ways can 4

*asked by Anon on May 3, 2016* -
## math

The length of a rectangle is 10 feet more than twice its width. The perimeter of the rectangle is 170 feet. Find the dimensions of the rectangle. ANS: Length= 60 feet, Width= 25 feet I already know the answer, its in my review sheet. If someone can explain

*asked by shelly on November 29, 2007* -
## calculus

A firework is launched at the rate of 10 feet per second from a point on the ground 50 feet from an observer. To 2 decimal places in radians per second, find the rate of change of the angle of elevation when the firework is 40 feet above the ground. Type

*asked by emma on April 21, 2015* -
## @Incognito

I'm putting you in time-out for a few days so you can think about a few things. 1. Do not post in all-caps. It's considered shouting (and rude) online. 2. If you don't like how this website is run, go find another. 3. If you have homework questions, then

*asked by Writeacher on February 21, 2017* -
## Magnetic Field Forces: Physics

A uniform magnetic field points north; its magnitude is 3.5 T. A proton with kinetic energy 6.0 × 10-13 J is moving vertically downward in this field. What is the magnetic force acting on it? This is what I've done. The answer is incorrect. Please help me

*asked by Sar on September 22, 2010* -
## Physics

A uniform magnetic field points north; its magnitude is 3.5 T. A proton with kinetic energy 6.0 × 10-13 J is moving vertically downward in this field. What is the magnetic force acting on it? This is what I've done. The answer is incorrect. Please help me

*asked by Sar on September 23, 2010* -
## statistics

A group of applicants for a position consists of 8 people who are qualified and 7 whoa are not. If we select two people at random to be interviewed (obviously without replacement), find the probability that we get: a. two qualified people b. one qualified

*asked by stats-help on January 24, 2008* -
## Precalculus

Suppose that the point (rho, theta, phi)= (12, 2pi/3, 5pi/4) in spherical coordinates can be expressed as (x, y, z) in rectangular coordinates. Find x+z. I first found x by using the conversion method (r*sin(theta)cos(phi)= x ) I got -3(sqrt(6)). Then I

*asked by Aditya on August 8, 2014* -
## statistics

The new Twinkle bulb is being developed to last more than 1000 hours. A random sample of 100 of these new bulbs is selected from the production line. It was found that 48 lasted more than 1000 hours. Find the point estimate for the population proportion,

*asked by looking for someone to varify my work please on April 6, 2010* -
## French

Could you please check these thanks. Directions complete each sentence with the form à (such as au, aux ect.) or de. 1. En Franch, un garçon, de treize ans va --------- collège. Answer: au 2. Et une fille qui a seize ans va ---------- lycée. Answer: au

*asked by French gurl on March 2, 2009* -
## Physics

*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we

*asked by Justin on October 8, 2006* -
## Math

I have a 3 part question that I have the answers for but I am still having issues understanding it. Looking for help with the explanation / steps on how you would get the answer. Question 1) The width of a rectangular field is 3h yards and it's length is 3

*asked by Dee on December 7, 2017* -
## General Physics II

Hi, this is about thin film interference in ray optics. My book presents two similar problems, but somehow uses different paths for the same variable. I'll list out the given variables: --Problem A-- n1 < nf > n2, delta phase is therefore lambda over two.

*asked by Justin on December 5, 2016* -
## Math

[Note: I did the first half of this question by myself and got it correct. But I got the second half wrong] Question: How much work does the electric field do in moving a proton from a point with a potential of +160 V to a point where it is -45 V ? Express

*asked by Ashley on March 15, 2017* -
## pre-calculus

R(x)=x^2+x-6 ________ x-3 1. find the domain and y-intercepts 2. find the x-intercepts 3. find the real solution of the equation 4. find the horizontal or oblique asymptotes 5. find the x-axis 6. plot the points

*asked by ladybug on September 30, 2012* -
## math

An initial-value problem is given by the differential equation, f(x,y) = x + y, y(0) = 1.64 The Euler-midpoint method is used to find an approximate value to y(0.1) with a step size of h = 0.1. Then use the integrating factor method, to find the exact

*asked by enigma on September 26, 2012* -
## Language Arts - Please Check My Answer For This

Please help me with the following: Read the sentence. Juanita used her affinity for numbers to help her design a computer program that relied on college-level math formulas, even though she was only in middle school. Based on the context clues in the

*asked by Brady on September 12, 2014* -
## Math(is the problem too hard?)

Find the coordinates of the point whose polar coordinates are (20,140degrees). r=20 0=140 x=r cos (o) y=r sin (o) x=20 cos (140) y=20 sin (140) x=20 (-0.7660)= -15.32 y=20 (0.6427)= 12.85 (-15.32, 12.86) on my answer on my paper, I left off the - and the )

*asked by Jon on April 23, 2009* -
## Math

Find the coordinates of the point whose polar coordinates are (20,140degrees). r=20 0=140 x=r cos (o) y=r sin (o) x=20 cos (140) y=20 sin (140) x=20 (-0.7660)= -15.32 y=20 (0.6427)= 12.85 (-15.32, 12.86) on my answer on my paper, I left off the - and the )

*asked by Jon on April 22, 2009* -
## Math repost

Find the coordinates of the point whose polar coordinates are (20,140degrees). r=20 0=140 x=r cos (o) y=r sin (o) x=20 cos (140) y=20 sin (140) x=20 (-0.7660)= -15.32 y=20 (0.6427)= 12.85 (-15.32, 12.86) on my answer on my paper, I left off the - and the )

*asked by Jon on April 22, 2009* -
## Help Plz.. Algebra II

Allegra has a cell-phone plan that charges $65 per month and $0.10 for every minute that she uses the phone beyond what her plan allows. One month, she was billed $73.40. a. Define a variable for the unknown. b. Write an equation to model the problem.

*asked by Jullian on September 19, 2013* -
## Math

Allegra has a cell-phone plan that charges $65 per month and $0.10 for every minute that she uses the phone beyond what her plan allows. One month, she was billed $73.40. a. Define a variable for the unknown. b. Write an equation to model the problem.

*asked by Jullian on September 19, 2013* -
## spanish/check please

choose the best words A ver, ( primer,primero), me diez cosas o mas antes de llegar a la escuella en la manana. answer: primero (seguanda, segundo ) , me levanto answer :seguando la ( tercera, tercer)accion es banarme. answer:tercera ( septimo, septima) ,

*asked by JOSEPH on April 25, 2012* -
## Physics - SHM

An oscillating block-spring system has a mechanical energy of 1.00 J, an amplitude of 11.2 cm, and a maximum speed of 1.08 m/s. (a) Find the spring constant. ___ N/m (b) Find the mass of the block. ___ kg (c) Find the frequency of oscillation. ___ Hz .. im

*asked by COFFEE on April 12, 2007* -
## Economics Quick Question

I'm going to type part of this passage and you have to fill in the blank. Could you check my answer here are the words that may go in that blank. elasticity shortage equilibrium price supply productivity surplus profit techonology Passage: Let's start with

*asked by Taylor on May 11, 2009* -
## Physics

Three positive point charges are arranged in a triangular pattern in a plane as shown. + 2 nC + 4 nC + 6 nC Distance between all: 7 m I don't know how to d this part: Find the magnitude of the net electric force on the 4 nC charge. The Coulomb constant is

*asked by asd on May 1, 2015* -
## Probability

The probability of getting a royal flush when you deal out a five card hand is 1.54 × 10^-6. Suppose you deal out 8 × 10^6 hands, what is the probability that you will get 0 royal flushes? Make a list of the probabilities that you will get n royal

*asked by Beena on June 29, 2007* -
## statistical analysis

The number of vehicles passing through a pharmacy drive-up line with two windows during each 15-minute period was recorded. The results are shown below. Find the median number of vehicles going through the line in a fifteen-minute period 16 8 24 22 30 19

*asked by kdizzle on August 6, 2014* -
## Physics

A 7.68 m, 132 kg uniform ladder rests against a smooth wall. The coefficient of static fric- tion between the ladder and the ground is 0.642, and the ladder makes a 48.4◦ angle with the ground. How far up the ladder can a 528 kg person climb before the

*asked by Youthers on December 8, 2014* -
## algebra1 HELP PLEASE Thanks you!!

The formula y=square root 64h can be used to find the velocity v in feet per second of an object that has fallen h feet. Find the velocity of an object that has fallen 25 feet. Round your answer to the nearest tenth.

*asked by lisa on July 12, 2013* -
## physic PLEASE I REALLY NEED HELP WITH THIS PROBLEM

The formula y=square root 64h can be used to find the velocity v in feet per second of an object that has fallen h feet. Find the velocity of an object that has fallen 25 feet. Round your answer to the nearest tenth.

*asked by lisa on July 12, 2013* -
## Algebra

How do you get the vertex of this absolute value? y = -2 |4x - 1| + 16 By vertex you mean the highest point. Find out where the expression inside the absolute value is 0. Since the absolute value is always positive, in this expression some quantity is

*asked by Jamie on September 10, 2006* -
## Math HELP!

The formula v= square root 64h can be used to find the velocity, v, in feet per second, of an object that has fallen h feet. Find the velocity of an object that has fallen 75 feet. Round to the nearest tenth. A. 6.9 ft/s B. 69.2 ft/s C. 69.4 ft/s D. 69.3

*asked by Anonymous on October 21, 2014* -
## calculus

Let f'''(t) = 5 t + 10 \sqrt{t}. (a) Find the most general formula for f''(t). If an arbitrary constant must be used here, use an upper-case "C". f''(t) = (b) Based on your answer to (a), find the most general formula for f'(t). If another new arbitrary

*asked by clevertuba on January 26, 2018* -
## civics

I cannot find the answer to this question. In which local areas is the problem of balancing funding and services uasually most severe? a. rural areas, b. suburban areas, c. cities, d counties. I am guess the answer is D because the book states "local

*asked by Tiffany on April 27, 2010* -
## French part 2

Could you check these please thanks Directions: Choose the correct verb to complete each phrase. Here are the verbs you can choose: passer, enregistrer, sortir, remplir, servir, choisir, and attacher. 1. -------- une place coté couloir. Answer: Choisir 2.

*asked by Lauren on August 30, 2009* -
## algebra

Minute hand of a clock is 10 inches long. how far does the tip of the minute hand move in 15 seconds? I got that=5 pi BUT What speed is it moving in miles/hr???? algebra - PsyDAG, Sunday, November 13, 2011 at 1:38am Assuming it does move 5 pi, convert 5 *

*asked by Angela on November 13, 2011* -
## French

Could you please check these thanks. Directions: Complétez avec quel et puis répondez. 1. Tu fais un voyage? ------ voyage? Answer: quel 2. Ton avion part à ------- heure? Answer: quelle 3. Ton avion part de -------- porte? Answer: quelle 4. Pendant le

*asked by Lisa on September 2, 2009* -
## Pre Calc--- Repost

I already asked this, but I didn't really understand the answer I got. I got the general idea, but I don't have a good enough understanding to answer the question. Writing to Learn: In a certain video game a cursor bounces back and forth horizontally

*asked by Taylor on March 20, 2011* -
## physics

A sailor in a small sailboat encounters shifting winds. She sails 2.00 km east, then 3.50 km southeast, and then an additional distance in an unknown direction. Her final position is 5.80 km directly east of the starting point. a) Find the magnitude of the

*asked by Star on September 24, 2008* -
## math help

Do you drink the recommended amount of water each day? Most Americans don't! On average, Americans drink 5.9 eight-oz servings of water a day. A sample of 50 education professionals was randomly selected and their water consumption for a 24-hour period was

*asked by Tom 816 on June 16, 2013* -
## CHEMISTRY!!!!!!!!!!

Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. Given the following data, Ethylbenzene, C6H5--CH2CH3 : delta Ht = -12.5 kJ/mol, delta Gt = 119.7 kJ/mol and S = 255 J/mol*K

*asked by Judith on November 10, 2015* -
## Math(Please check)

1) Find the equation of the following lines: A)Through the point (-4,2) and perpendicular to the line y=-1/2x +1 y-y1=m(x-x1) The reciprical of -1/2 =2 So my answer is y-2=2(x+4) or simplified y=2x+10 B)Through the point (1,1) and parallel to the line

*asked by Hannah on April 29, 2011* -
## math,correction

Problem #1 subtract. Express your answer in simplest form (3x)/(18) minus (x)/(18) MY steps: (3x-x)/(18) = (2x)/(18) and answer: (2x)/(18) Problem #18 write in simplest form. (3x^5)/(15x^12) My steps: (3)/(15) = .60 x^5-12 = x^-7 so my answer is: .60x^-7

*asked by jasort20 on March 18, 2007* -
## math URGENT!!!!

the midpoints of the sides of a triangle are (1,1),(4,3),and (3,5). find the area of the triangle. please answer and show how u did it step by step please!!!! how do i find area of the smaller triangle?

*asked by dan on October 25, 2012* -
## Math PLz Help

I need help figuring out this problem I have tried everything but cannot get the answer. I have to find the coordinates of a qualiteral using vwxy after a scale factor of two Here are the The coordinates V (6,2), W(-2,4) X(-3,-2) Y(3,-5) PLease help me

*asked by I need help on November 11, 2017* -
## Probability

We start with a collection of n (distinguishable) individuals whom we want to split into three possible teams: the blue team, the red team, and the white team. Each individual is randomly assigned to exactly one of the teams according to the following

*asked by qwerty on March 7, 2014* -
## Limit

Determine a region whose area is equal to the given limit. lim x-> infinity Sigma (n on top, i=1 on bottom) (2/n)*[5+(2i/n)]^10 I started with delta x=b-a/n =5-0/n =5/n The width of delta is 2/n so b-a=2 I'm not sure how you got 5-0/n The integrand looks

*asked by Rain on September 13, 2006* -
## Calculus

1. Calculate the population within a 7-mile radius of the city center if the radial population density is ρ(r) = 5(5 + r2)1/3 (in thousands per square mile). (Round your answer to two decimal places.) 2. A population of insects increases at a rate 280 +

*asked by Anonymous on October 26, 2015* -
## SCIENCE

The most common ion dissolved in river water is chloride, carbonate, sodium, phosphate, or nitrate. I think the answer is sodium chloride but the answer has these two separated. Is the answer just sodium? No, the answer is not sodium. The answer is

*asked by Pat on December 20, 2006* -
## computer science

I need to write a program that ask the student to enter an answer to a math problem. The user should enter two values, one at a time, and then ask for an answer. The program should display if the entered answer is correct or not and display the correct

*asked by Kathleen on February 14, 2012* -
## Reiny! Reiny! Reiny! Answer Check and HW Help!

Translate to a system of equations and solve: 1) The sum of two numbers is 36. One number is 2 more than the other. Find the numbers. Answer: (17,19) 2) Find two numbers whose sum is 66 and whose difference is 18. Answer: (37,29) These ones I am not sure

*asked by Britney on February 13, 2009* -
## Math

Using the expression 56xy + 5 -6x + y/20,find the following: a. Find two sums. b. find the terms of the expression. c. find a product of two factors. Find the coefficient in the product. d. Find the quotient. This is to hard. Where do I start?

*asked by Bria on March 13, 2015* -
## Algebra

If the profit equation for the monthly sales of tile sets is P = -x^2 + 56x - 300, how do I find the number of tiles that yeilds the most profit. x=number of tile sets. The amount of money for costs each month is set at $300. I saw an answer as 28 tile

*asked by Aria on July 20, 2011* -
## chemistry

The question asks, "Butanoic acid has a partition coeff of 3.0 when distributed b/t water and benzene. Find the formal concentration of butanoic acid in each phase when 100 mL of 0.10 M aqueous butanoic acid is extracted with 25 mL of benzene at pH 10.00."

*asked by Anonymous on November 16, 2009*