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

139,202 results, page 82-
## 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* -
## 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* -
## 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

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

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 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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

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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## statistics

The bass in Clear Lake have weights that are normally distributed with a mean of 1.9 pounds and a standard deviation of 0.8 pounds. (a) If you catch 3 random bass from Clear Lake, find the probability that the mean weight is less than 1.0 pound. Round your

*asked by Sara on October 20, 2014* -
## 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* -
## 2 balloons and a doubled distance (physics)

EARLIER SOMEONE POSTED: "Two like-charged balloons, placed at a distance of .5 meters, experience a repulsive force of .32 N. What is the force if the distance between the two balloons is doubled? If you use Coulomb's Law, the equation used to find .32 N

*asked by help! on February 28, 2011* -
## teachers aide curriculum comtent

literary themes understood by all people regardless of their background or the time they live in are (a)universal (b)skill-based(my answer) (c)motivational (d)literature -based what does the curriculum web show? (a)how one theme unites different subjects

*asked by susue on August 27, 2011* -
## Physics Classical Mechanics

A metal meter stick made of steel rotates about its midpoint. The angular speed is slowly increased. At what value of the angular speed will the stick break apart at the center? Give your answer in rad/s. Hint: find a relationshop between the maximum

*asked by Anonymous on November 27, 2013* -
## literature

What is a good definition or meaning of linterary canon. I've read the definition in different books but i am still confused what does it mean. I need help understanding it and memorizing it. http://www.answers.com/topic/canon-fiction Scroll down and read

*asked by student on August 14, 2007* -
## Health/PE

1. Which is the best example of a win-win situation? A) One side gets what it wants. B) Both sides get what they want, but one gets more. C) Equal needs for each sides are met.

*asked by Please check my answers? on December 13, 2018* -
## Needs help in math

1. During a triathlon, Sharon swims 1/4 of the total route and cycles 3/5 of the remaining route. She runs the rest of the route. If she runs 3600 meters, find the total distance of the triathlon route. 2. A square foot of wall space needs 1/8 quart of

*asked by Anika on March 24, 2015* -
## calculus

1. A particle moves along the x-axis, it's position at timer given by x(t)=t/(1+t^2), t greater than or equal to 0,where t is measured in seconds and x in meters. a) find the velocity at time t. I am a little confused.. Do I find the derivative by using

*asked by Anonymous on November 17, 2014* -
## English/Spanish

Can someone translate this to English, please? el dia 5 de febrero compre un reloj nuevo de la marca seiko en ebay del vendedor xxx y lo pague usando paypal el total fue de 148 dolares (120 dolares por el reloj mas 28 dolares por shipping y handling), el

*asked by Tadeo on April 11, 2008* -
## social studies

Please help me answer these questions, as I have no idea about it. 1) Why do naturalist movements tend to be fractured (why don't they work out...) 2) How does this affect the post-colonial administration of successor states? Please help answer, or provide

*asked by Raven on January 15, 2011* -
## spanish help please

A nosotros se ____perdieron las llaves del auto. answer nos Se me _____ (forgot) hacer la tarea anoche. answer olvida A Rita y a Pedro se _____dano la motocicleta answer les

*asked by sam on November 2, 2008* -
## PHILOSOPHY

1. Some years ago, after not having seen my best friend from Duckwood High School for several years, we met for lunch and were surprised to find that our clothes and hairstyles were the same! The only possible explanation for this is that we both went to

*asked by PETRA on September 28, 2017* -
## spanish Sra JMcGuin

look at dates on calendar and write name of holiday associated with each circled day - then list two things people do on each holiday. sorry it is so late - we went out togehter for my dads birthday - my brothers go ot a diff school and so we do not get to

*asked by sam on November 8, 2007* -
## math

A) If x^2+y^3−xy^2=19, find dy/dx in terms of x and y. dy/dx=________ B) Using your answer for dy/dx, fill in the following table of approximate y-values of points on the curve near x=1 y=3. 0.96 ______ 0.98 ______ 1.02 ______ 1.04 ______ C) Finally,

*asked by lauren on October 24, 2014* -
## Calculus Please Help

A) If x^2+y^3−xy^2=5, find dy/dx in terms of x and y. dy/dx=________ B) Using your answer for dy/dx, fill in the following table of approximate y-values of points on the curve near x=1 y=2. 0.96 ______ 0.98 ______ 1.02 ______ 1.04 ______ C) Finally, find

*asked by Catherine on March 15, 2011* -
## Physics

Please help! I've tried solving this with trig but I can't seem to figure out what I've been doing wrong. Two positive point charges, each of which has a charge of 2.3 × 10−9 C, are located at y = +0.60 m and y = −0.60 m. A)Find the magnitude of the

*asked by Alex on April 9, 2013* -
## please check

the meaning of HUMDRUM is a) morose c) exciting b) ordinary d) disruptive my answer: b) ordinary INTERMINABLE most nearly means a) brief c) internal b) fruitful d) endless my answer: d) endless TRIVIAL is best defined as a) minor c) weighty b) important

*asked by saranghae12 on January 12, 2012* -
## physics

Consider an old-fashion bicycle with a small wheel of radius 0.15 m and a large wheel of radius 0.8 m. Suppose the rider starts at rest, accelerates with a constant acceleration for 2 minutes to a velocity of magnitude 12 m/s. He maintains this velocity

*asked by Captain Jack on November 15, 2012* -
## Math

Sanjay takes a pre-ap multiple choice test of 25 questions in which he earns 10 points for every correct answer, but loses 2 points for every incorrect answer. Sanjay answered all 25 questions and scored 202 points. How many did he answer correctly? how

*asked by Tami on May 19, 2016* -
## algebra

_______________________________________ MATH133 Unit 1 Individual Project 2 A 1) The following graph shows the depreciation for the corporate airplane from 2006 to 2009. The plane was purchased new in 2006; therefore, x = 0 represents the year 2006. X –

*asked by Michelle on October 10, 2011* -
## Sixth Grade Math

1. Write a phrase in words for each algebraic expression. A. "t - 29" Answer:29 minus t B. "a take away 16" Answer:16-a Write an algebraic expression with two variables and one constant. Answer: 150 + xy Did I answer the questions correctly?

*asked by Stephon on December 18, 2014* -
## Mathematic

2/(2/3)+3/4/(4/5)= The answer key explains it like this: 2/(2/3)+3/(3/4)+4/(4/5)=2x3/2+3x4/3+4x5/4= 3+4+5=12 *I do not understand how the answer is 12. If 2/5 of (2/3)/(5/6) is divided by 3/10, what is the resulting value? The answer key explains it like

*asked by Anonymous on August 7, 2013* -
## Math 115

Perform the indicated operation. 11-6 /7-7 what the answer my answer is 5/7 is that right. Add-26+(-29). I said 55 is the answer is that right. I am confused.

*asked by Johnnie on January 26, 2009* -
## Math

How do you solve this. The answer is suppose to be 8x+5 and when I do the problem my answer is nowhere near the correct answer. 5{x-(3-x)+4}-2x

*asked by Martha on February 10, 2010* -
## math

Let f(x)= 4 and g(x)= ãx-2 : X2 - 4 f o g(11)=ANSWER: Square root X-2/ 11-2 =ã9=3 4/32 -4 = 4/5 f o f(0)=ANSWER Determine the Domain of f o g=ANSWER:

*asked by john on December 18, 2011* -
## Physics- drwls please help

A certain CD has a playing time of 80 minutes. When the music starts, the CD is rotating at an angular speed of 4.8 x 10^2 revolutions per minute (rpm). At the end of the music, the CD is rotating at 2.1 x 10^2 rpm. Find the magnitude of the average

*asked by Mary on March 14, 2007* -
## Statistics

Please Help I'm desperate! Complete the hypothesis test with alternative hypothesis ìd < 0 based on the paired data that follow and d = M - N. Use á = 0.02. Assume normality. M 48 47 67 79 73 66 N 52 55 68 87 78 70 (a) Find t. (Give your answer correct

*asked by Casey on October 29, 2013* -
## Chem

What mass of precipitate is produced when 40.0 mL 0.100M lead nitrate reacts with 30.0 mL 0.100M aluminum sulfate? Assume the volumes are additive. I keep getting the answer of 2.7g precipitate formed rather than the answer of 1.21g. I am using an ice

*asked by Maddy on September 7, 2017* -
## algebra2trig

the merry go round music box has a diameter of 12.5 inches. it is scale model of a Hershchell-Spillman Carousel which is 35 feet in diameter. A miniature horse 5.5 inchs from the center of the music box makes one complete rotation in 27 seconds. find the

*asked by Olena on April 29, 2011* -
## Physics

A 3.9 g mass is released from rest at C which has a height of 0.9 m above the base of a loop-the-loop and a radius of 0.4 m. The acceleration of gravity is 9.8 m/s^2. Find the normal force pressing on the track at A, where A is at the same level as the

*asked by I Need Help on April 9, 2014* -
## Algebra

1. In this problem, we will analyze the profit found for sales of a certain product. A demand equation (sometimes called a demand curve) shows how much money people would pay for a product depending on how much of that product is available on the open

*asked by Anonymous on April 29, 2010* -
## Algebra

. In this problem, we will analyze the profit found for sales of a certain product. A demand equation (sometimes called a demand curve) shows how much money people would pay for a product depending on how much of that product is available on the open

*asked by Anonymous on April 29, 2010* -
## PHYSICS

QUIZ 1 AND 2, PROBLEM 3 A block of mass M is pulled with a rope that exerts a force of a magnitude F, causing it to slide over horizontal ground with kinetic coefficient of friction μ (use "mu" when you input your answer). The force is applied at angle θ

*asked by XYZ on June 29, 2013* -
## Math

Please help me I am terrible at math, and this is my last class before graduation.. 1. Find the value of X... x/6-x/8=1 2. Find the value of X...x/x-2-x+1/x=8/x^2-2x 3. Find the value of X...5/x+6+2/x^2+7x+6=3/X+1 4.Find the value of X...2/5=x-2/20 find

*asked by Helpless on May 23, 2007* -
## life science

Hi I am doing a report on manas natianal park. and how it got on the world heritage site. but i cant find anything on iti have to answer these question Describe the diversity of life forms found in the area. Describe the biological interrelationships among

*asked by amy on October 8, 2008* -
## Math (Trigenometry)

Write f(x)=x^4-12x^3+59x^2-138x+130 as a product of linear factors. I listed the factors of 130 and used synthetic division, but none of the remainders came out to be 0. I graphed the function, but the function doesn't pass through the x-axis. I figured I

*asked by Anonymous on February 9, 2011* -
## Math (Trigenometry)

Write f(x)=x^4-12x^3+59x^22-138x+130 as a product of linear factors. I listed the factors of 130 and used synthetic division, but none of the remainders came out to be 0. I graphed the function, but the function doesn't pass through the x-axis. I figured I

*asked by Anonymous on February 9, 2011* -
## Chemistry

An unknown molybdate (MoO4^-2) solution (50.00ml) was passed through a column containing Zn(s) to convert molybdate into Mo^3+. One mole of MoO4^-2 gives one mole of Mo^3+. The resulting sample required 22.11 ml of 0.01234 M KMnO4 to reach a purple end

*asked by Ken on October 17, 2011* -
## Math (Trigenometry) 3

Write f(x)=x^4-12x^3+59x^22-138x+130 as a product of linear factors. I listed the factors of 130 and used synthetic division, but none of the remainders came out to be 0. I graphed the function, but the function doesn't pass through the x-axis. I figured I

*asked by 2012 on February 8, 2011* -
## math

Sarah baked 78 cupcakes for the bake sale. Gabby baked 45 cupcakes for the bake sale. 93 cupcakes were sold at the bake sale. Which is a way to find the number of cupcakes NOT sold? A.Add 78,45,and 93. B. Find the sum of 78 and 45. Then subtract 93. C.

*asked by Tommy on September 8, 2016* -
## Technology

1. Which of the following is NOT an example of a objective question? A. multiple choice B. essay** C. true/false D. matching 2. Why is it important to recognize the key word in an essay question? A. It will provide the answer in an essay B. It will show

*asked by Laurie on February 9, 2016* -
## Please check answers)

Perform the indicated operations and simplify the result. Leave your answer in factored form. 1) x/16 - 1/x all over 1 + 4/x A) x+4/16 B) x-4/16 C) 16/x+4 D) 16/x-4 E) -16/x+4 I chose answer C. I saw this as x^2-16/ x+4. Multiply the following using the

*asked by Hannah on September 9, 2010* -
## math,correction,plz

Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. Problem #54 (6-radical(20))/(2) My answer: 3-radical(5) Problem #50 Find the area of the rectangle shown in the figure. width = radical (3) +

*asked by jas20 on March 11, 2007* -
## geometrt question

function f(x) =1/x assume that point has coordinates (a,1/a), where a > 0 is some ﬁxed value. (a) Find the equation of the tangent line. (Your answer will be a formula depending on the value a.)

*asked by Mr Homie on May 5, 2016* -
## math

I believe the answer is 5 months; however, I did it the long way. Explain how to find the answer. Tom has a collection of 30 CDs and Nita has a collection of 15 CDs. Tom is adding 1 CD a month to his collection while Nita is adding 4 CDs a month to her

*asked by Jane on December 31, 2011* -
## Math/Trig

Find the length of the intercepted arc, given a central angle of 3pi/5 and a radius of 4.5 cm. Round your answer to the nearest tenth.

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

Roll four dice one time. What is the probability that the sum will be odd?Can anyone explain/show in detail how to find the answer to this problem?

*asked by Diane on September 12, 2010* -
## Chemistry

I am doing a report on ethylene glycol, AKA antifreeze, and I need to figure out if it is naturally occurring or if it is man-made. I can't seem to find this answer anywhere! Please help!

*asked by Julie on December 5, 2010* -
## Linear algebra

Find all complex numbers z satisfying z3 = 27i and give your answer as a comma-separated list of values in the form a+bi.

*asked by shana on March 30, 2017* -
## Calculus

This is a tough one :( The region between the graphs of x=y^2 and x=6y is rotated around the line y=6. Find the volume of the resulting solid please... i am unable to get the correct answer :(

*asked by Kristina on October 22, 2010* -
## Science

What would happen if you moved the bar magnets further away from the armature when the St.Louis motor was running? Please help! I have been searching for r The answer for days and can't find it anywhere Thank you

*asked by Cherie on March 1, 2014* -
## math

use the appropriate formula to find the amount for the investment. For (a) and (b) please round the answer to the nearest cent. $13,600 for 5 years at 4.5% compounded semiannually.

*asked by Anonymous on November 17, 2014* -
## psychology

does anyone have any ideas on how i can answer this question or any good links? i couldn't find anything thanks Discuss the ways that theories can be related to evidence

*asked by nneka on October 21, 2008* -
## Calculus

Find the volume of the solid of revolution by roating the region R about the y-axis. Write the answer as a multiple of pi. y= sqrt(x), y=x^2, in the first Quadrant

*asked by Liz on May 27, 2012* -
## math

Find the surface area of a rectangular prism with a length of 10 cm, a width of 4 1/2 cm, and a height 8 3/4 cm. Round your answer to the nearest hundredth.

*asked by hana on May 17, 2012* -
## math

Find the volume of the solid formed by rotating the region enclosed by y=e^4x+3 y=0 x=0 x=0.7 this is my work V = ∫ e^4x dx {between x=0 and x=0.7} = 1/4 e^4x {between x=0 and x=0.7} = 1/4 (e^2.8 - e^0) = 1/4 (e^2.8 - 1) however i am etting the wrong

*asked by sonia on October 29, 2009* -
## math

Writing in Math To find the sum of 4/9 and 7/12, Mario rewrites the fractions as 8/36 and 21/36. His answer is 29/36. Is Marion right? If not, show his error and correct it.

*asked by LAKSHMI on January 10, 2015* -
## Math

The perimeter of the parallelogram is 102 feet. Find m. Write your answer as a decimal or mixed number. The sides of the parallelagram are 3 and 3m

*asked by Madeline on October 27, 2016* -
## Math ---HELP!!!!!

The amount of Jen’s monthly phone bill is normally distributed with a mean of $50 and a standard deviation of $10. Find the 25th percentile. A. About $46.30 B. About $43.30 C. About $43.40 D. about $43.20 Answer : B---43.30

*asked by angela on May 5, 2016* -
## Add maths form 4

Given that the quadratic equation hx^2 - 4kx + 9h =0 has two equal roots, find the ratio h:k The answer given is 4:6. I need to know the method pls... Thx in advance

*asked by Sha on January 26, 2015*