# 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 75
1. ## Physics

A 32-u oxygen molecule (O2) moving in the +x direction at 580 m/s collides with an oxygen atom (mass 16 u) moving at 870 m/s at 27 degrees to the x axis. The particles stick together to form an ozone molecule. Find the velocity of the ozone. Express your

asked by Jacob on April 13, 2009

1) Find the surface area of a sphere with a radius of 8 cm. A 267.9 cm B 803.8 cm *** C 2143.6 cm D 2010. cm 2) Find the surface area of a sphere with a radius of 4 ft. A 452.2 m B 150.7 m C 113.0 m D 904.3 m *** 3) Find the volume of a sphere with a

asked by Edward Elric on March 5, 2018
3. ## college algebra

f(x)=x^2-4x+3 find (-2) my answer to this was 7 I believe the correct answer is -4 is this correct

asked by John on April 23, 2010
4. ## math, correction

Find the LCM for 4 and 20 My answer is: LCM IS 20 Your answer is right

asked by jasmine20 on February 13, 2007
5. ## college algebra

Part a 3x + 4y = 8 for y answer is -4 Using your answer from part a, find the corresponding value of y when x =8.

asked by tondra on November 16, 2008
6. ## MATH

Hello! I am trying to finish a math assignment. it was a bunch of math questions, and I am having a very difficult time with 5 of them. I have the answers to them though. Could somebody please help me with AT LEAST a few!? thanks!! 1) A square swimming

asked by Josh on March 20, 2011
7. ## MATH

Hello! I am trying to finish a math assignment. it was a bunch of math questions, and I am having a very difficult time with 5 of them. I have the answers to them though. Could somebody please help me with AT LEAST a few!? thanks!! 1) A square swimming

asked by Josh on March 20, 2011
8. ## Calculus

Using 3(x-3)(x^2-6x+23)^1/2, as the chain rule differentiation of f(x)=(x^2-6x+23). Please explain how I find the general solution to the differential equation dy/dx= 2/27(x-3)SQUARE ROOT BEGINS (x^2-6x+23)/y SQUARE ROOT ENDS (y>0). In implicit form I have

asked by Tony on May 12, 2011
9. ## Physics

A shell is fired from the ground with an initial speed of 1.60 × 103 m/s (approximately five times the speed of sound) at an initial angle of 43.0◦ to the horizontal. The acceleration of gravity is 9.81 m/s2 . a) Neglecting air resistance, find the

asked by Anonymous on October 16, 2015
10. ## Physics

A person holding a lunch bag is moving upward in a hot air balloon at a constant speed of 6.1 m/s . When the balloon is 28 m above the ground, she accidentally releases the bag. What is the speed of the bag just before it reaches the ground? I got Vf^2=

asked by T on May 23, 2016
11. ## Math

Find the probability of: a) Rolling a three OR a six with a single die Answer: P(3 U 6)= n(3U6)/n(S) = 3+6/6 = 9/6 reduced: 3/ b) Dealing an ACE OR a FACE CARD from a standard deck Answer: P(A U F)= 4/52 + 12/52 = 4/13 2. A 5-committee is to be chosen from

asked by Jacob on March 6, 2011
12. ## Physics

A shell is fired from the ground with an initial speed of 1.60 × 103 m/s (approximately five times the speed of sound) at an initial angle of 43.0◦ to the horizontal. The acceleration of gravity is 9.81 m/s2 . a) Neglecting air resistance, find the

asked by Jessika on October 16, 2015
13. ## Calculus

A gallon rises at the rate of 8 feet per second from a point on the ground 12 feet from an observer. To 2 decimal places in radians per second, find the rate of change of the angle of elevation when the ball on is 9 feet above the ground. Type your answer

asked by Karen on December 19, 2018
14. ## Physics

A person holding a lunch bag is moving upward in a hot air balloon at a constant speed of 6.1 m/s . When the balloon is 28 m above the ground, she accidentally releases the bag. What is the speed of the bag just before it reaches the ground? I got Vf^2=

asked by T on May 23, 2016
15. ## Algebra

Two more Algebra questions : Drawing a blank on this one, not sure where to start. Find the equation, in standard form, with all integer coefficients, of the line perpendicular to x + 3y = 12 and passing through (9, -5). I have half a solution to this one:

asked by John on October 15, 2007
16. ## Math

I have the following chart that I am supposed to find the percent increase in one step, not using a two step method. 10.5 12.5 14.9 17.7 21.1 25.1 When I do this (and round) I get about 19% increase for each one. (we are supposed to round. Then I have

asked by Sami on February 3, 2016
17. ## physics

Find the direction and magnitude of the following vectors. A⃗ =( 22 m )x^+( -15 m )y^ Express your answer in degrees using three significant figures. θA = Part B Express your answer in meters using two significant figures. |A⃗ | = m Part C B⃗ =( 2.5

asked by ana22 on February 11, 2017
18. ## English

A. Zach enjoyed biking to his job at the Bistro Cafe'. the early morning ride gave some serenty to his hectic schedule. Opening the restaurant allowed him to get everything ready before the rest of the crew arrived. 1. In the above passage, an example of a

asked by Jim Collum on June 12, 2013
19. ## AP physics (answer whatever you can)

how do you find the Fnet of 3 planets? do i find the forces of all the planets on each other and add it up? what if teh planets are at an angled position? 1000 kg car is going clockwise around a curve iwth radius of 30m. coefficient of frction=0.5 if the

asked by Anthony on March 23, 2017
20. ## Geometry

Please answer at least one . PLEASE 1. Triangle XYZ has a right angle at Y. V,W are on XZ such that XV=XY. WZ=YZ, find ANGLE VYW . 2. STUVWXYZ is a regular octagon. Find SW/ TZ. 3. The interior angles of a convex polygon form an arithmetic progression with

asked by Jayden on October 19, 2013
21. ## question

Which sentence has a preposition-related error? 1.There was a fight between the two men. 2.The Cerritos Center is near to my office. 3.They gave a party for Mary and me. 4.The report was sent to everyone except her. One of those sentences has TWO

asked by Mindy on October 21, 2006
22. ## French

Could you check these thanks: Directions: Vrai ou Faux? 1. Un film doublé a des sous-titres. Answer: vrai 2. Un film en version originale est toujours en français. Answer: faux 3. Au cinéma, il y plusieures séances le week-end. Answer: Faux 4. On peut

asked by Maria on November 30, 2009
23. ## math

help me solve these problems please 1 1/2 - 3 2/5 + 8/15 - 2 2/3 (-4 7/12) - (-3 2/3)- 1 /24 + 2 5/8 -3 1/2 - (- 1 5/6) + (-1 1/12)+ 2 3/4 8-5*2+6/(-2) this i think i can get the right answer 8-10+(-3) -2+(-3)=-5 is that the rite answer 2 7/9/ (-1 4/81)-

asked by math on August 3, 2008
24. ## Algebra

I need to know if I need to further reduce my answer or if I leave it the way I have it. I have the original problem and then my answer. -b +or- sqrt b^2=4ac/2a answer x= -1/2 +or- 1/10

asked by Megan on March 19, 2008
25. ## calc

rewrite into slope intercept form. 1) 3x-2y=7 answer: y=3/2x-7/2 2) 8x=y-1/2 answer: y=16x+1 3) 4x+2/3y=8 answer: y=-6x-12 are these correct?

asked by chloe on August 29, 2015
26. ## math

Solve- 4x^2-9x+3=0 What is the smaller answer? Answer -1000 if there is no real value of x that solves this equation Answer must be +,- 1.0%

asked by Shiv on April 26, 2018
27. ## Algebra

I need to know if I need to further reduce my answer or if I leave it the way I have it. I have the original problem and then my answer. -b +or- sqrt b^2=4ac/2a answer x= -1/2 +or- 1/10

asked by Megan on March 19, 2008
28. ## Algrera

Write the equation of the line passing through the given two points? a) (3,7) and (4,7) Answer: m=7-7/4-3 b) (2,7) and (2,9) Answer: m=9-7/2-2 c) (5,-3) and (1,7) Answer: m=7-(-3)/1-5 Correct?

asked by Marco on March 7, 2010
29. ## Algebra

1. Write the equation of the line with the given slope and y-intercept a) m=3/8 and b=6 Answer: y=3/8x +6 b) m=-2 and b=11 Answer: y=-2x+11 c) m=0 and b=6 Answer: y=x+6 Correct?

asked by Marco on March 6, 2010
30. ## Math

Evaluate the determinant of each matrix -3 2 -3 0 -1 -1 3 0 -3 My answer is -36 The correct answer is -24 but I don't understand how they got the answer.

asked by Aria on April 25, 2017
31. ## Math Check

All the directions say for these three problems is multiply and simplify. Are my answers correct? Thank you A)(x^2+2x-3)+(2x^2-x+1) Answer: 2x^3-6x^2+4x B)(x+1)(2x-1) Answer: 3x-1 C)(x-2)(x^2+2x-3) Answer: x^3-7x+6

asked by Lauren on April 14, 2010
32. ## geometry

A triangle is made of wood sticks of lengths 8, 15 and 17 inches joined end-to-end. Pieces of the same integral length are cut from each of the sticks so that the three remaining pieces can no longer form a triangle. How many inches are in the length of

asked by M on January 28, 2016
33. ## Math

What do you call numbers that cannot be arranged into 2-row arrays? multipication After some research I finally understand the question. Those would be the odd numbers or the numbers without a factor of 2 in them. After much stress and contemplating, I

asked by Trudy on September 11, 2006
34. ## Biology

- "problems that result as blood alcohol concentration increases" Basically, I'm supposed to put what page number the answer is on, and then what the answer is. I have the page number, yet the answer is no where on the page to be found. I've read it over

asked by Gamzee :o) on May 22, 2012
35. ## jessie

hi im doing a post lab sheet for chem class. and im having a little trouble. we did an experiment where we put a mixture into a bath and checked to see how long a color would leave from the mixture. i have temperature 12.6 C -> 285.6 K Time 816 sec but im

asked by chem on October 15, 2010
36. ## Public Speaking Please Check

1. (TCO1) The route used to transmit messages is known as: my answer:decoding encoding decoding feedback noise channel 2. (TCO1) As Claire tells about her trip to the museum, she notices Emma and Brian yawning. The information that Claire is receiving is

asked by Bryan on January 10, 2010
37. ## why is physics so hard??????

a velocity vector of 40 degrees below the positive x-axis has a y-component of -10 m/s. What is the value of its x-component. I know the answer is 11.9 m/s. When I first tried it, I got 6.43 and then I just tried bunch of stuff and I got 11.9 but what I

asked by apoorva on September 19, 2007
38. ## Physics (High School)

A 7.24 g bullet moving at 636 m/s penetrates a tree to a depth of 4.87 cm. Use energy considerations to find the average frictional force that stops the bullet. Answer in units of N B) Assuming that the frictional force is constant how much time elapsed

asked by Ama on December 19, 2011
39. ## algebra

Triangles ABC and DEF are similar. Find the area of triangle ABC. Round your answer to the nearest tenth. the answer should be __________m^2 triangle abc has a 12m. triangle def has 12m and 18m.

asked by sally on March 9, 2013
40. ## intro to physics

I was wondering if you guys can help me with this question An airplance is traveling 835 km/h in a direction 41.5 degrees west of north. part a) find the component of the velocity in the northerly direction part b) find the same but in the westerly

asked by emilia on April 21, 2012
41. ## Statistics / Math

If a student is chosen at random, find the probability of getting someone who is a man or a non-smoker. Round your answer to three decimal places. ********non***regular heavy total man*****135*****64******5*****204 women***187****21*******9*****217

asked by Sam on February 26, 2008
42. ## Physics

A non-uniform beam of length L and weight w makes an angle of è with the horizontal. It is held in position by a frictionless pivot at its upper-right end and by a cable a distance of farther down the beam and perpendicular to it. The center of gravity of

asked by Paul on April 3, 2007
43. ## Economics

What percentage of Americans GDP per capita is available to the average citizen of Mexico? Americas GDP \$35060.00 Mexico GDP \$8540.00 To find this answer, divide 8540 by 35060. Move the decimal point in your answer two places to the right to get the

asked by LIsa on September 20, 2006
44. ## science

1. What is the half-life of Strontium-90? Explain your answer. Honestly I don't know how to get this answer. I've looked it up and stuff, but I just found the answer not how to know what it is. A link or explanation would be greatly appreciated. Thanks.

asked by Rainshine on February 27, 2014
45. ## English

I give an examination tomorrow.So I need a help. Nearly crying,her little sister wanted to be left ( )herself. You will choose your answers blow. a.for b.with c.on d.to I think that best answer is a.But It didn't match its answer.Its answer is d.But I

asked by Bayarbold on June 25, 2011
46. ## Algebra

3.29x=5.5√(x)+10,000 How in the world do I solve for x without using a calculator? I swear I've been on this for hours. I know the answer is 3133 because I estimated the answer and then began plugging in numbers until I got to the actual answer.

asked by Enrique on July 28, 2015
47. ## precalculus

Can you check my answer? If it is wrong can you please explain why and give the correct answer? Use Gaussian elimination to write the system of equations given below in row-echelon form. 2x+4y+z=-4 2x-4y+6z=13 4x-2y+z=6 answer:2x+4y+z=-4 8y-5z=-17 z=1

asked by Anonymous on November 30, 2016
48. ## circles and arcs

YOU have a circle with a traingle inside. P being the top of triangle and Q and R, are on the sides, PQ= (8x-10) and PR=(6x) and the bottom QR= (10x+10) SAYS: a)find X b)is the triangle equilateral, isosceles, or scalene? explain. We have not done this

asked by lilman on May 23, 2012
49. ## algebra 1

select an appropriate unit from the choices below and connect the rate to that unit. answer a - ft /s answer b - mph answer c - mm/s answer d - km/s question : A person walking at 3,4 mph

asked by kamryn on October 15, 2015
50. ## pre calculus

can you check my work Find two different sets of parametric equations for the given rectangular equation: y=x^2+10 answer: x=t y=t^2+10 x=t^3 y=t^6+10

asked by Anonymous on December 12, 2016
51. ## precalculus

Can you check my work? find two sets of parametric equations for the given rectangular equation x+y^2=4 answer: x=-y^2+4 x=-t y=-t^2+4 x=-t^3 y=-t^3+4

asked by Anonymous on December 12, 2016
52. ## Math

Divide into intervals and evaluate to find the max/min. f(x)= -(x-1)^2(x+4) I pick -2 -(-2-1)^2(-2+4)=-18 Is that the correct answer

asked by Aria on February 5, 2017
53. ## math

Find the circumference of each figure. Use 3.14 for p and round your answer to one decimal place. i have a circle that is 3.75ft A~23.6 or 24?

asked by A on September 16, 2009
54. ## Math

Find the sum. Write answer in simplest form. (x-4/x^2-2x) + (4/x^2-4) Not sure how this problem is solved, only one like this on my homework any help??

asked by Antwon on December 31, 2017
55. ## Chemistry

What are probes in RFLP made of? HOw do they help isolate rare DNA fragments? I can't find the answer, so can I get some help please.

asked by Andre on May 22, 2008
56. ## physics

ok so dr= 2i + 3j while F= 5i + 2j It wants me to find the work. now i know w=Fxdr. what i want to know is why when you take the dot product of both, you get a different answer compared to when you just multiply the magnitudes.

asked by Mitch on March 6, 2010
57. ## Religion

Origen was the first Bishop of ______in what year. Studying for midterm and this is one of the questions I can't find an answer to

asked by Maria on April 15, 2010
58. ## Math

Need help I have to find a pattern for 8, -1, 2, -1 I know the answer is 1/3 but have no idea how I get there...I am trying to multiply each by -1/2 but I can't get the 1/3 at the end for some reason and I have the similar problem as well: 8, -4, 2, -1

asked by Maggie on May 24, 2008
59. ## Math

Explain how you could find the volume of a pyramid given a prism with the same base are and height. Justify your answer.

asked by Helen on April 3, 2016
60. ## algebra 2

asked by betty on March 31, 2009
61. ## geometry

a circle is inscribed in an equilateral triangle. how do you find the value of x? also have to round the answer to the nearest whole number.

asked by ivette hanon on May 19, 2011
62. ## COLLEGE CALCULUS. HELP!

the fundamental theorem of calculus, f(x)=∫(0,x) t^3+2t^2+ 2 dt, and find f"(x). my answer was: f'(x)=x^3+x^2 f"(x)=3x^2+2x it said its wrong. i don't know how solve with interval, ∫(0,x)

asked by MILY on April 17, 2012
63. ## PreCal

Find the distance between P1(3, –195°) and P2(–4, –94°) on the polar plane. Round your answer to the nearest thousandth.

asked by Jack on September 5, 2011

find the Volume of a cylinder with a radius of 14 in and a height of 21 in. Then Change Your Answer In Cubic Feet?

asked by hillary on April 12, 2010
65. ## calculus

For the function f(x) = 1 + sin(x) find f(2). Leave your answer rounded to tenths. Assume x is in radians

asked by kaycee on February 5, 2010
66. ## Graphing Linear Equations! Quiz! HELP ASAP

I just need many examples and tips on how you solve, find, graph, and answer linear equations. I'm so confused!

asked by Random Girl on February 7, 2018
67. ## calculus

find the bound on the real zeros of the polynomial function f(x)=x^4+x^3-4x-6 cna you please show me how you got the answer please

asked by anonymous on December 22, 2012
68. ## math

find the range the answer will be within 6,473+3,234 32,959+15,568 79,484+8,933

asked by stephanie on August 24, 2011
69. ## geometry

Find the area of the quadrilateral in Exam Figure 5. Round your answer to two decimal places.

asked by g on July 18, 2013
70. ## Statistics

find z such that 6.6% of the standard normal curve lies to the right of z. (Round your answer to two decimal places.)

asked by Amy on November 16, 2016
71. ## math

If x^2-x-1 divides ax^6+bx^5+1 evenly, find the sum of a and b. Show all steps and exlain your answer. Thanks alot! =)

asked by not math right now on April 2, 2009
72. ## mathURGENT!!!!!!!!!!

find all ordered pairs of positive integers (x,y) that satisfy the following equation: x^y=2^64. please answer and explain how you got it!!!!

asked by don on February 14, 2013
73. ## pre calc

Can someone please help me f(x)=1/3 square root 1-2x and g(x)= (x-2)/x. Find and simplify (g of g)(3)/(g of f)(-24). The answer I got it -24/7 and i Am unsure If it is correct. Please show all work Thank you

asked by Marie on February 5, 2017
74. ## Algaebra

Two functions f and g are defined by f:x = x^2 + 3 g:x = 2x+1 Find the function fg Please help and show all working out,i got the answer for it but i really don't understand it!!! Thank You

asked by Samantha on December 19, 2012
75. ## Science

Can someone please tell me what acid does to DNA? Ive looked everywhere and can't find anything simple enough to understand and need an answer really quick. thanks!

asked by John on April 9, 2008
76. ## Math

Find the slope of the line that goes through the given points. I think my answer is correct but would appreciate some feedback so that I may compare! Thanks in advance! (3,-2),(-1,-6)

asked by Tia on February 26, 2009
77. ## geometry

If a=6cm, find the area of the equilateral triangle. Round the answer to one decimal place.

asked by Anonymous on November 17, 2010
78. ## Statistics

If four coins are flipped at once, find the probability that there will be at least 2 heads. Round your answer to 3 decimal places.

asked by Hunter on March 2, 2016
79. ## Algebra

Find the slope of the line that goes through the given points. I think my answer is correct but would appreciate some feedback so that I may compare! Thanks in advance! (3,-2),(-1,-6)

asked by Tia on February 26, 2009
80. ## math

if x+ a= b/3x and b does not = 3 then x =? i cant seem to find a way to seprate the two x's since 3/b is always attached. subtract (b/3)x from both sides x- (b/3) x+a=0 x(1-b/3)= -a x= a/(1-b/3) i looked at the back of my book and the answer is 3a/b-3

asked by fernando on July 15, 2007
81. ## Algebra

Find the slope of the line that goes through the given points. I think my answer is correct but would appreciate some feedback so that I may compare! Thanks in advance! (3,-2),(-1,-6)

asked by Rachale on February 26, 2009
82. ## calculus

limit as x approaches 3 where f(x)=6x+2 Find a formula for δ such that for any ε > 0, |f (x) - 20| < ε if |x - 3| < δ. (In your answer, use the word "epsilon" instead of the symbol ε.) I have no idea how to do this? Please help!!!

asked by john on January 30, 2011
83. ## Math

Find the limit (if it exists). (If an answer does not exist, enter DNE.) lim_(x->59)(sqrt(x+5)-8)/(x-59)

asked by Anonymous on January 28, 2012
84. ## geometry

Find the SURFACE AREA of a sphere that has a diameter of 18 centimeters. Leave your answer in terms of pi.

asked by Hannah on May 26, 2013
85. ## geometry

Find the area of the base and the volume of a cone. the height is 17 and the radius is 8. my answer needs to be in pie

asked by Hannah on May 26, 2013
86. ## math

a die is thrown twice, find the probability of getting two 5’s. Be sure to represent your answer as a fraction in simplest form!

asked by ella on July 25, 2017
87. ## spanish

Im doing a project on Argentina, and we need to find a tradition and answer questions. Do you know of any Argentine traditions or know any websites i could use?

asked by Emily on March 24, 2008
88. ## mathematics

find the general solution to the following differential equation dy/dx=-(In(x))/(x^2)*y^1/2 (x>0,(y>0)give answer in implicit form.

asked by queros on May 29, 2008
89. ## geometry

Find the area of a regular pentagon with a side of 6ft. answer nearest tenth

asked by lilman on May 24, 2012
90. ## geometry/help

Find the area of a regular heptagon with the side 7 cm. answer 178.1 cm² can you check

asked by mike on April 27, 2011
91. ## math

Let X be a normal random variable with μ = 12 and σ = 2. Find the value of the given probability. (Round your answer to four decimal places.) P(7 < X < 9) =

asked by titi on July 2, 2017
92. ## math

Find the exact circumference of a circle with diameter equal to 8 ft. I know the answer is 25 ft but the answers I have to choose from are 8, 16 or 64

asked by lisa on January 15, 2012
93. ## algebra problem

Find the greatest common factor of the two expressions 18wx^7z^7 and 15wx^3 Simplify your answer as much as possible.

asked by mikecardoso123 on August 14, 2009
94. ## math

FIND THE SLOPE AND THE Y-INTERCEPT OF THE LINE. WRITE FRACTIONAL ANSWER IN LOWEST TERMS. 4y + 4x + 7= 16+4x

asked by DAVISHA on February 4, 2009
95. ## Math

x P(x) 0 0.3 1 0.15 2 0.2 3 0.35 Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal places

asked by Anonymous on April 20, 2016
96. ## Geometry

the angle of depression from D to F measures 40 degrees. If EF= 14 yd, find DE. round answer to nearest 10th

asked by kelsey on February 8, 2012
97. ## statics

two dices are rolled find the probability that the sum is less than 6 and what is the answer rounded to 4 decimals places

asked by bernie on July 29, 2016
98. ## Algebra

Find the domain of the function. f(x)=(sqrt x+6)/(-2x-5) Write your answer as an interval or union of intervals.

asked by Jena on February 3, 2011
99. ## maths

Find length of diagonal of rectangle whose adjacent sides are 30cm and 16cm.tell answer

asked by shikha on July 26, 2016
100. ## Geometry

Angles P and Q are congruent. m

asked by queen on July 11, 2017