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

138,784 results, page 95-
## statistics

Working on "Inferences from Dependent Samples" trying to find the standard deviation of the difference data. Differences: 24, 53, 100, 40, -10,71,77,70, 39, 50 n=10 d=51.4 sd=??? (Answer suppose to be 30.8336 but not coming close to this number at all)

*asked by HELP on December 1, 2012* -
## global

Can someone please help ,still can not find out the following In the book iooi Arabian Nights...Thievery as a way of life, humor through trickery of the innocent and distrust of foreigners. I was told to look at Ali Baba but still don't see the answer

*asked by Susan on September 20, 2010* -
## vectors

ABCDEF is a regular hexagon with sides of unit length. Find the magnitude and the direction of AB+AC+AD+AE+AF. The textbook answer: 6, 60 degrees to AB A full solution with steps will be greatly appreciated. Thank you :)

*asked by Alex on May 20, 2018* -
## Pre Cal

Given: a = 640, A = 70Â°, B = 52Â° in triangle ABC ; find c . Round answers to the nearest whole number. Do not use a decimal point or extra spaces in the answer or it will be marked incorrec

*asked by Marketa on January 28, 2017* -
## math

Use synthetic division and the Remainder Theorem to find the indicated function value. f(x) = x5 - 8x4 - 9x3 - 6; f(3) I keep coming up with the answer of -222, but that is not an option... I don't know what I'm doing wrong!!! PLEASE HELP--I only have 20

*asked by me on November 2, 2009* -
## physics

Using conservation of energy, find the speed v_b of the block at the bottom of the ramp. Express your answer in terms of some or all the variables m, v, and h and any appropriate constants. I would think it would be square root of v^2+2gh but its telling

*asked by Mrs G on March 3, 2012* -
## cinema

i am watching the two towers and i have to answer questions to go along here on the ones i couldn't find 1) where did Elrond and Arwen to sail to 2) what was the name of king theoden's son 3)what was aragorn going when the movie cut to his first dream/

*asked by bandit on November 20, 2009* -
## math

a large piece of cadboard, 5cm by 8cm to be made by cutting out sqaures in each corner. find dimensions that will maximize the volume? vol= (8-2w)(5-2w) (w) answer= 1cm and 10/3 cm is this correct?

*asked by Andy on March 29, 2015* -
## math

a seismoraph 300km from the epicenter of an earthquake recorded a maximum amplitude of 5.4 x 10^2um. Find this earthquakes magnitude on the Richter Scale. (Round your answer to the nearest tenth). M=

*asked by CLara on November 4, 2012* -
## program planning

An appropriate science activity for a child six to 12 years of age is A. using a compass to find a specific site.B. experimenting with a magnet.C. growing plants from seeds.D. collecting leaves. My answer is D

*asked by Karen on October 15, 2014* -
## health

can sb. answer these? what is the overall lifestyle impact of pneumonia? Find the name of 2 local community resources/ agencies available to a person who is diagnosed with this problem? plz help...its due tomorrow and i've searched the whole net.....

*asked by Anonymous on October 13, 2008* -
## madern tegnology

find out how modern tegnology has proved new means by wich people may save money. P.S i really don't understand and this is part of a project that is due tomorrow ANd i really need the answer before 9:30 tonight... thank u

*asked by wow146 on March 31, 2009* -
## statistics

Let x be a continuous random variable that is normally distributed with a mean of 24 and a standard deviation of 7. Find the probability that x assumes a value between 27.5 and 59.0. Use Table IV in Appendix C to compute the probabilities. Round your

*asked by Katie on April 19, 2011* -
## Language Arts

Which of the following sentences uses a pronoun in the possessive case? A. Ask Sarah to pass the chips to me. B. Check for my signature on the front page. C. He went to the park to find the dog. D. The winner of the contest was she. Is the answer B? Thank

*asked by Callie on February 4, 2015* -
## math

find total amount due on loan,round to nearest cent.$600 = principal Rate=2% time in Years=2 show steps to solve and answer

*asked by Anonymous on December 6, 2012* -
## Social Studies

1.Which of the following was NOT a reason why early Europeans came to America? A.to determine if the earth was round B.to bring glory to their respective nations C. to find silver and gold D.to explore new lands My answer D?

*asked by SOMEBODY on September 13, 2018* -
## Math (Urgent!)

Consider 10 independent tosses of a biased coin with the probability of Heads at each toss equal to p , where 0

*asked by Sean on October 2, 2018* -
## Math

The table shows Marco’s checking account activity for the first week of June. a. Marco wants his total deposits for the month of June to exceed $1,500. Write and solve an inequality to find how much more he needs to deposit to meet this goal. b. Marco

*asked by jiskha on October 21, 2015* -
## Pre-Calc with Analytic Geometry

Function : y=cot(2x+pi) 1)determine the interval for the principal cycle. (Type this answer in interval notation) 2)Then for the principal cycle, determine the equations of the vertical asymptotes. 3)find the coordinates of the center point. 4)

*asked by Nancy on August 4, 2016* -
## chemistry

The initial concentration for the compounds involved in the reaction displayed were determined to be [CH4(g)] = 0.9530 mol/L, [H2O(g)] = 0.9911 mol/L, [CO(g)] = 0.7474 mol/L, [H2(g)] = 0.2717 mol/L. Calculate the value of the equilibrium constant (Kc) at

*asked by BOB on September 29, 2011* -
## Statistics

Thirty-three small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5 reported cases of larceny per year. Assume that σ is known to be 42.9 cases per year. (a) Find a 90% confidence interval for the population mean

*asked by Amy on December 3, 2016* -
## Algebra, 0110 HELP!

Including 5% sales tax, an inn charges $210.00 per night. Find the nightly cost at the inn before tax is added. (a) Write an equation to model the problem. Let x represent the nightly cost before tax. (b) Solve the equation to find nightly cost before tax.

*asked by Derek on September 7, 2013* -
## cjs210

Will someone please help me find a website to find the answer to these questions? • Throughout policing history, what has been the role of women and minorities? How has the role of women and minorities changed over time? How has this role change affected

*asked by Picaboo on June 16, 2012* -
## Physics (vectors)

Given vectors A= (Axi + Ayj), B= (Byj+Bzk) and C= (Cyj + Czk). a) find the triple product of these vectors defined by A dot (BxC) in terms of the vector components. I get 0 as the answer. b) is the result found in a) a scalar of a vector? since I had to

*asked by steve on January 23, 2007* -
## chemistry

Gaseous CO2 decomposes to form the gaes CO and O2. At 20.0 degrees Celsius, =2.0*10^-8. 2.0 mol carbon dioxide is placed in a 5.0 L flask. What are the equilibrium concentrations of each species. My attempt to get the answer: Balanced equation: 2CO2-->

*asked by Anonymous on March 2, 2009* -
## AP Chemistry

So I have the reaction 2HBr(g) H2(g)+Br2(g) I'm supposed to find the equilibrium constant, K, using free energy (G) values. The values in my textbook for G of H2 and Br2 were zero, and the value for HBr(g) was -53.5. So, to find delta G I did products -

*asked by Casey on April 8, 2013* -
## maths - a few questions

Simplify 3(x-2)^2/x-2 Is the answer 3x^2-10x+10? If not then what is? When p= sqrt2 and q= sqrt6 write pq in the form a(sqrt)b where a and b are integers and b is as small as possible. Multiply out these brackets. Give your answer in the simplest form.

*asked by em on February 24, 2007* -
## Maths

Let f(x)= x^5-5x+3 1-Find f'(x) and f"(x). 2-Find the intervals on which f(x) is increasing or decreasing. 3-Find the local maximum and minimum of f(x), if any. 4-Find the intervals on which the graph of f(x) is concave up or concave down. 5-Find the

*asked by Haneen on December 1, 2014* -
## Geometry help?

I'm not sure what to do on these questions. The measure of the vertex angle of an isosceles triangle is 26. Find the measure of each base angle If the measures of the three angles of a triangle are x,2x-20, and 3x-10, then what is this type of triangle?

*asked by Kase on August 3, 2006* -
## Math

The cost for a business to make greeting cards can be divided into one-time cost (e.g., a printing machine) and repeated costs (e.g., ink and paper). Suppose the total cost to make 30 cards is $800, and the total cost to make 550 cards is $1,300. What is

*asked by Anonymous on October 21, 2015* -
## math

2 rectangles are similar. One has a length of 10 cm and a width of 8 cm and the other has a width of 7 cm. Find the lenfth of the second rectangle. Round to the nearest tenth if necessary. I think the answer is 8.8 cm. Is this right?

*asked by keisha on November 23, 2007* -
## MATH

The odds in favor of Carl beating his friend in a round of golf are 7 : 4. Find the probability that Carl will lose. would the answer be 7/11?

*asked by Maddie on February 6, 2017* -
## Criminology

What are the components for establishing corpus delicti? I cannot seem to answer this question on my homework, or find any information on the components. Any help would be greatly appreciated!

*asked by RaeAnne on February 8, 2011* -
## physics

An automobile with an initial speed of 6.60 m/s accelerates uniformly at the rate of 3.9 m/s^2 Find the final speed of the car after 5.2s Answer in units of m/s

*asked by Anonymous on October 15, 2012* -
## integrated physics and chemistry

If the torques on a lever are not equal, the lever will rotate about the fulcrum. i cant find the answer to this anywhere in the lesson. it is a true/false statement. can someone help me?

*asked by Nella on January 12, 2011* -
## Chemistry

If the wavelength of an electron is equal to the radius of the n=2 orbit in He+, what must the velocity of the electron be? The answer is 6.88 x 10^6 m/s How do I find this? I tried E = Z^2hcRh/n^2 and E= 1/2mv^2 with Z = 1, n=2, m=9.109E-31

*asked by Shaniquaa on December 7, 2008* -
## physics

An automobile with an initial speed of 6.60 m/s accelerates uniformly at the rate of 3.9 m/s^2 Find the final speed of the car after 5.2s Answer in units of m/s

*asked by Anonymous on October 15, 2012* -
## Pre-Cal

Find the magnitude and direction angle of the vector v. v= 8(cos135 degrees i + sin135 degrees J) I think that the answer is v= 5 and Q = 135. Am I correct?

*asked by Hannah on March 28, 2010* -
## ALGEBRA

If the principal P = $500, the rate r = 5 1 2 %, and time t = 1 year, find the following. (a) What is the amount of interest? $ Incorrect: Your answer is incorrect. (b) What is the future value?

*asked by Randy on April 26, 2012* -
## Math

I need help with decimal Bedmas, I find that when I use a calculator and split up the equation into the proper sections the answer sometimes out wrong. I don't know what im doing wrong. eg. 2.3 (4.5-9.6)+3.1= (4.5-9.6)= -5.1. 2.3x-5.1=-11.73+3.1=-8.63.

*asked by J. A. on September 22, 2016* -
## Algebra

f(x) = 4x2; x = 2, x = 2 + h this is telling me to find the average rate of change and the net change? I found one but my answer is disapproved from a friend.

*asked by miriam on July 21, 2015* -
## Algebra

For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include all of your work. {-4, 12, -36, ...}

*asked by Britney on October 25, 2017* -
## geometry

how do you find the circumference of a circle with the area of 169 pie m squared(in the terms of pie)? Please tell me how to do it. Don't just give me the answer

*asked by jordan on January 13, 2009* -
## math

a finishing bobber has a radius of 0.5 inch. find the volume of the fishing bobber. round your answer to the nearest tenth

*asked by manzanas on April 20, 2017* -
## 11th phyics

An automobile with an initial speed of 4.56 m/s accelerates uniformly at the rate of 2.4 m/s2. Find the final speed of the car after 4.4 s. Answer in units of m/s

*asked by Taylor on September 26, 2010* -
## Math

determine the value(s) of k which a quadratic equation x^2+kx+9=0 will have. a) two equal real roots b) 2 distinct roots I tried to find the discriminant but couldn't get the right answer

*asked by Anonymous on October 2, 2016* -
## Math

Don't understand what they want for a answer. Given the equation of a nonvertical line, explain how to find the slope without finding two points on the line.

*asked by Tammie on March 3, 2011* -
## Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x^2 − 4x + 1 and y = −x^2 + 4x − 5

*asked by tiffany on December 11, 2013* -
## math

In my book, it says to use a number line to find the sum of the equations. Should I draw a numberline on my paper, or just write down the answer on the paper?

*asked by lily on October 22, 2009* -
## Math

The hypotenuse of a right triangle is 23 cm long. Find possible measures for the legs of the triangle. Round to the nearest hundredth. Justify your answer

*asked by Anonymous on October 30, 2015* -
## Math

If 6 is increased by 4 times a number, the result is 68. A.Write and equation for this situation. B. Solve for the answer. I got 6+4x=68 for the equation, but I'm not sure whether or not x=15.5, or if that is what the question wants me to find. Help

*asked by Catherine on August 29, 2012* -
## Help, Math 8th grade!!!!!

14. Triangle ABC has coordinates 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. Please help!! I need answer now!! I have been working on this problme for over an hour cant get it, please help,

*asked by Esther on November 13, 2012* -
## S.S.

Why didn't Native Americans like signing papers. HA HA sorry I asked earlier. But my partner just called me and said she didn't find her answer. =P

*asked by Ash <3 on October 8, 2007* -
## Math

Ms. Sue could you help me with mt question I posted re interior and find exterior angle having to total 180 degrees I believe the answer would be 40 degrees

*asked by Chris on February 5, 2013* -
## govt

I can't find this answer Explain how and why the Supreme Court's ruling in the case of Marbury v. Madison increased the Court's power

*asked by nichole on July 11, 2011* -
## math

Find the f''' of function f(x) = e2x6 + [lnx]2. Does we need to do by part? Can someone plz give me the final answer. I do this without using the by part formula..can it be correct?

*asked by ifi on May 13, 2013* -
## Health

Compare Point of service plans with health maintenance ortganization plans. I have been looking for this answer in my book for about an hour and i still cant find it! Please Help.

*asked by Anonymous on September 29, 2008* -
## Probability/ Stats

Assume that it is known that 95 percent of the launching of satellites into orbit are successful. What is the probability that in the next four launching there will be. Not sure where to start. can someone help me with steps on how to find the answer?

*asked by Megan on October 19, 2015* -
## Math

7 m/s on a bearing of 30° and 2 m/s from a bearing of 343°. How would you find the direction and magnitude using both Sine and Cosine Law? I know how to answer this question using Components....

*asked by Yes on November 26, 2018* -
## statistics

Find the indicated z score. The graph depicts the standard distribution with a mean 0 and standard deviation 1. 0.945 My answer is 1.6901 but I am not sure if it is correct.

*asked by angela on November 9, 2013* -
## algebra

Find the zeros of the function. f(x) = 2x^2-2x-1 Use the quadratic equation x= (2 +- sqrt (4+8))/4 x = 1/2 +- 1/2 sqrt 3 check that. the answer would be negative 96 I think respond back if not right

*asked by anonymous on January 10, 2007* -
## AP Calc

Find the point on the curve y^2=4x closest to the point (8,0). My Work: Using the Distance formula- my answer i got was (7.821,5.593) but idk if i did it right...

*asked by Luke on November 22, 2014* -
## AP Calc

Find the point on the curve y^2=4x closest to the point (8,0). My Work: Using the Distance formula- my answer i got was (7.821,5.593) but idk if i did it right...

*asked by Luke on November 22, 2014* -
## physics

The 20kg object is dropped from a height of 2 meters. Find its speed when it hits the ground. Give your answer in meters per second.

*asked by Darcie on February 26, 2012* -
## Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x^2 − 4x + 1 and y = −x^2 + 4x − 5

*asked by tiffany on December 11, 2013* -
## 9th grade acc. algebra

how do you do this? this is the full question and all info: "A line with a slope of -3 passes through the point (k,4). Find the y-intercept of the line in terms of k." I would like to know how to do this along with the answer so i can know im doing it

*asked by alyssa on April 6, 2010* -
## Algebra

For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include all of your work. {-4, 12, -36, ...}

*asked by Britney on October 23, 2017* -
## math

Arc AB of circle O contgains 72 degree and is 6 pi long. Find area of circle O. a. 9 b. 36 c. 30 pi d. 225 pi e. 900 please answer and explain

*asked by thomas on April 19, 2014* -
## physics - follow up question

so, (3.75)(4) + (.5)(3.75)(49) or 106.875 radians that's not the correct answer, so is it just the second part to find the additional angle? (.5)(3.75)(49) = 91.875 but it too is incorrect, what am I missing?

*asked by luc on February 3, 2017* -
## calculus

f(x,y)=x^2+2y^2 use the gradient vector Þf(5, 1) to find the tangent line to the level curve f(x, y) = 27 at the point (5, 1). answer choices: 1. 10x + 4y = 27 2. 2x + 4y = 27 3. 5x + 2y = 27 4. 10x − 4y = 27 5. 5x − 2y = 27

*asked by Bob on November 18, 2010* -
## Pre-Calc

An exponential function may have a coefficient. In these cases, the equation is often written as f(x) = ab^x, where a is the real-number coefficient and b is the base. Find the value of f(-3) given that f(2) = 6 and f(0) = 54. My answer: a = 54, b = 0.33,

*asked by Anonymous on March 26, 2016* -
## probability

Given that there were 4 Heads in the first 7 tosses, find the probability that the 2nd Heads occurred at the 4th toss. Give a numerical answer.

*asked by jon on February 27, 2014* -
## Calculus

The function defined below satisfies Rolle's Theorem on the given interval. Find the value of c in the interval (-3, -2) where f'(c)=0. f(x) = x + 6x-1 , [-3, -2] Round your answer to two decimal places.

*asked by olga on October 17, 2015* -
## Calculus

Let f(x) = sqrt(3x+15) Find f'(x) The answer is 3/(2sqrt(3x+15) Can anyone who does this please explain step by step why you did what you did? I have a lot of difficulty finding the derivative with radicals.

*asked by Alex on May 21, 2008* -
## physics

An automobile with an initial speed of 3.25 m/s accelerates uniformly at the rate of 3.2 m/s 2 . Find the final speed of the car after 4.4 s. Answer in units of m / s

*asked by Anonymous on October 6, 2014* -
## Chemistry

Determine [Zn2 ], [CN–], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 2.640. The Ksp for Zn(CN)2 is 3.0 × 10–16. The Ka for HCN is 6.2 × 10–10. I need to know what equations to use to find the answer not just how to get it

*asked by Sonya on February 24, 2014* -
## Math

The function defined below satisfies Rolle's Theorem on the given interval. Find the value of c in the interval (0,1) where f'(c)=0. f(x) = x^3 - 2x^2 + x, [0, 1] Round your answer to two decimal places.

*asked by Bri on November 1, 2016* -
## calculus

hi I posted this question earlier: what is the median waiting time for f(x)=((1/8)e^(-x/8))? I said the answer was 5.55 is this correct? thank you! and somebody helped me find the mean, but i was wondering if this was the right median. thanks

*asked by tia on April 8, 2008* -
## college calculus

find a and b so that f(x)=x^2+ax+b has a local min at (6,-5) i found the derivative: f'=2x+a then i found a 0=2x+a 0=2(6)+a 0=12+a a=-12 but i can't seem to get the correct value for b. i plugged -5 into the original function, but my book says the answer

*asked by kate on October 23, 2008* -
## Calculus

Find the third Derivative of f(x)=x(3x-7)^3 The answer is 3x-1134 but I attempted the problem multiple times and I keep ending up with 648x-1134. What am I doing wrong?

*asked by Liz on May 18, 2012* -
## Jules

Could someone answer this question so I understand it. Thanks Given the supply function: p = S(x) = 5(e^0.02x-1) Find the average price (in dollars) over the interval [31,36]. Only the 0.02 is ^ in the e in the question.

*asked by Anonymous on April 23, 2011* -
## math (3)

Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or -∞, type INFINITY or -INFINITY.) f(s,t)= sqrt(s^2+t^2) s = ? t = ?

*asked by Mia on April 29, 2014* -
## 7th grade

Write three equivalent fractions for each fracton 7/8,5/6 in order to get the answer am I suppose to find the number that I can divid both numbers and is it the same number

*asked by Jessica on October 14, 2008* -
## Math ~ Check Answers ~

Find the circumference of the circle (use 3.14 for pi). Show your work. Round to the nearest tenth. the radius is 23 yd My Answer: ???? •Circumference = (2) (3.14) (23) •3.14 x 2 x 23 = 144.44

*asked by Mindy on March 7, 2014* -
## Math

Could someone answer this question so I understand it. Thanks Given the supply function: p = S(x) = 5(e^0.02x-1) Find the average price (in dollars) over the interval [31,36]. Only the 0.02 is ^ in the e in the question.

*asked by Jules on April 23, 2011* -
## Physics

A 0.363 g wire is stretched between two points 80.3 cm apart. The tension in the wire is 573 N. Find the frequency of first harmonic. Answer in units of Hz

*asked by Help Me Please on July 9, 2013* -
## Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x and y = x^4

*asked by tiffany on December 16, 2013* -
## math

belinda used her calculator to find the decimal for the fraction 21/28. When she entered 21/28, the calculator gave her an answer that looked familiar. Why do you think she recognized it?

*asked by stacey on October 5, 2007* -
## math (3)

Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or -∞, type INFINITY or -INFINITY.) f(s,t)= sqrt(s^2+t^2) s = ? t = ?

*asked by Mia on April 29, 2014* -
## Finite Math

Find the effective rate corresponding to the given nominal rate. (Round your answer to two decimal places.) 11%/year compounded semiannually

*asked by Dee on May 6, 2011* -
## Math

Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or -∞, type INFINITY or -INFINITY.) h(u,v) = sqrt(4-u^2-v^2) u^2+v^2 = ?

*asked by Mia on April 29, 2014* -
## Math

Use the complement to find each probability. What is the probability of not rolling a 5 on a standard number cube? My answer is 1/6 since there are 6 faces Is this correct and if not can you explain on how to do this? Thank you

*asked by Patrick on March 28, 2018* -
## physics

An automobile with an initial speed of 3.25 m/s accelerates uniformly at the rate of 3.2 m/s2. Find the final speed of the car after 4.4 s. Answer in units of m/s

*asked by Teni on October 1, 2014* -
## algebra/I appreciate your help

Find the future value, using the future value formula. Round the answer to the nearest cent. $625 @ 5.5% compounded quarterly for 3 years.

*asked by Mary Ann on May 18, 2014* -
## math

For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include all of your work. {-4, 12, -36, ...}

*asked by S.A on October 2, 2017* -
## Math

Find the loss percentage if Banrap incurred a loss of RS. 310 when he sold cosmetic for RS. 1550. (In book answer is given as 25%.)

*asked by Deepak on August 1, 2018* -
## math

belinda used her calculator to find the decimal for the fraction 21/28.When she entered 21/28, the calculator gave an answer that looked familiar. Why do you think she recognized it?

*asked by kimberly fidhlsgdhlkghs on October 5, 2007* -
## Applied Calculus

Find the absolute maximum and absolute minimum values, if any, of the function. (If an answer does not exist, enter DNE.) h(x) = x3 + 3x2 + 4 on [−3, 2]

*asked by Jacob on March 7, 2013* -
## Math

Belinda used her calculator to find the decimal for the fraction 21/28, When she entered 21/28 the calculator gave an answer that looked familiar. Why do you think she recognized it.

*asked by Eli Nelson on November 13, 2015* -
## math-check my work

I have a bag of m&m's with 52 in it and on the pkg it states it weighs 47.9g. If I divide by 52 it gives me .92g per m&m. To find out what the mass is of a mole of m&m's do I Multiply 6.02 x 10^23 x .92g for my answer?

*asked by mk on November 9, 2007*