88,900 results, page 72
1. ## Calculus

-4=(5/2) x 3-b
2. ## Calculus

If y = (ln(x-2))/(3e^x, then dy/dx =

x^2-9/8x-24
4. ## calculus

i)f (x)=x^3 + -x^2
5. ## calculus

i)f(x)=(x^3 + -x^2 )(x^2 + 2)
6. ## calculus

f'(x^2)^2=?

Let f(t)=(t^2+3t+8)(2t^2+6). (a) f'(t)= (b) f'(4)=
8. ## calculus

f'(-2) if F(x)=g(h(x))
9. ## Calculus

why does ln(1/x)= -1/x ?
10. ## calculus

f(x)=x^2-3x+1/x^2
11. ## calculus

F(x)= ((x^2+2x)/(x^2-1) )^3 *(3x^2 – 2x + 4)^5
12. ## calculus

If g'(x)=2g(x) and g(-1)=1, then g(x)= a)e^2x b)e^-x c)e^(x+1) d)e^(2x+2) e)e^(2x-2)
13. ## calculus

f'(x) = (x^2-1)/x
14. ## Calculus

What is y' of y=(x-1)^(1/2)/(x-3)^(1/2)?
15. ## Calculus

¡ì(up:1 down:0) (x^3 dx)/(x^2+2x+1)
16. ## Calculus

If y=ln((3x+2)^6(x+10)^3), then dy/dx=
17. ## calculus

3x^2-75/6x+30
18. ## calculus

If f(x)= 1 + ln(x+2), then f^-1 (x)is...?
19. ## calculus

f(x)=(1+x) what is f'(x) when x=0
20. ## ap calculus

((1/-2-h)-1)/h
21. ## AP Calculus

If f(x)=3x^2-x+2 then what is 2f(a)? What is f(2a)? What is f(a^2)? What is [f(a)]^2? What is f(a+h)?
22. ## Calculus

What is dy/dx when y=(x^2 - 4x ) ^3 ? A. 3(x^2 -4x)^2 B. (6x - 12) (x^2 -4x)^2 C. 3(2x - 4)^2 D. 6x^2(2x-4)^2

Xy+3=x?x^3
24. ## Calculus

if x^2 + y^3 = (x^3)(y^2) then dy/dx = ? thanks
25. ## calculus

d/dx (16-3x- 1/2x^2)= ? I got dy/dx= -3 - x
26. ## calculus

f(x)=x+1/x g(x)=x+1/x+2 f of g? g of f? f of f? g of g?

6e^3t=9e^2t
28. ## AP Calculus

[(3/x)-(4/y)]/[(4/x)-(3/y)]
29. ## calculus

If |2x - 1 | > 3 , then which of the following could not be a value of x?
30. ## Calculus

dy/dx+((2x+1)/x)y=e^-2x
31. ## Calculus

What is dy/dx given that xy^2-xy+x=y?
32. ## calculus

If x2+xy=10, then when x=2, dy/dx=?
33. ## calculus

d^2/dx^2(q(x))-5*(d/dx(q(x)))+6*q(x)=0
34. ## Calculus

Let f(x) = ln(((2x–5) / (7x+4))^(1/2)). f'(x) = ...
35. ## calculus

f(12)=15 and f(5)=6 f(x)=
36. ## calculus

3x^3+4x^2-2x-4=0
37. ## calculus

Dy/dx y=(2x+1)^4e^x
38. ## calculus

xy^3-e^3x=y^2
39. ## calculus

Dy/dx of y=e^x/x^2
40. ## calculus

e^2x-4e^x+3=03
41. ## Calculus

(3x-4)e^x2-6=0
42. ## Calculus

(3x-4)e^x2-6=0

x^2/3 (x-9)
44. ## calculus

dh/dx x = 7 , h (x) = (x^-1/2 + 8x)(4 - x^-1)
45. ## physics

You have a parallel plate capacitor (with air between its plates) which is attached to a voltage source until the capacitor is fully charged. (a)After detaching the capcitor from the voltage source, you move the capacitor's plates farther apart; which of
46. ## Algebra

Hi jiskha! I was wondering if anyone could answer this ~fun~ question. f(x)=5x^2-2x+3 and g(x)=4x^2+7x-5. I have to find f+g. For my answer, I got 12x^4+-2x+-2, while the answers in my packet said 9x^2+5x-2. Could anyone explain this? (Unless I wrote down
47. ## Physics

a ball is dropped from the top on an 80-m high building. what speed does the ball have in falling 3.5 s? I keep getting the answer 34.3m/s but it is counted wrong. I found an answer on Chegg that say 29.4 m/s but I can't figure out how they are getting
48. ## Dimensional Analysis

eLydi wrote 4 1/2 pages of her science report in one hour. What was her writing rate in pages per minute? My answer: ( ihavetwo, tell me which is right, if any are?) answer 1: 0.075 answer 2: 13.33
49. ## trig

Is the answer to this problem correct? I'm not sure and I want to make sure I do well on the test. Evaluate the following logarithms given log 4/log a = .321 The answer my teacher gave me was 0.963. What is the reasoning behind the answer?
50. ## Geometry

Hello, Can someone please tell me if I have the right answer? Thank You my answer: 1.59m If an area in the form of a circle is to be roped off by a rope 10m long, what will be the radius of this area? Round your answer to two decimal places.
51. ## Algebra

Can someone tell me if these problems have the right answers? I am tooooooo old to know this any more. I understand the first one, but 2&3 are vaguely familiar. 25x^2+25x+6=0 the answer is x=-1/2 +/- 1/10 #2 solve for V=1/3Bh for B answer is B=V/ 1/3h #3
52. ## math,correction ,

can someone correct these for me please... Remove the parentheses. -(3x+5y) My answer: -3x-5y Find the value of the polynomial -x^2+3x-1 when x=4 My answer: -5 multiply. 10x(-4x-7) my answer: -40x^2-70x all correct. awsome.....thank you...i just want to

54. ## SAT Math

If x and y are positive integers, which of the following could be equal to 3x+ 4y? The answer is 10, but not sure on how to get the answer? Also, is there a short cut to get to the answer without taking a lot of time on the SAT to work this type of problem

Use g=10 N/kg in this assignment. 1. What is the gravitational energy (relative to the unstretched surface of the trampoline) of the 20 kg ball at its apex 2 m above the trampoline? I got 400 J 2. What is the kinetic energy of the ball just before
56. ## science

i do not understand how to answer the question if it has (N) instead if saying (kg) how would i answer, and the question is.: if the net force is 100N, and the acceleration is 5m/s squared how much mass am i moving? please answer soon!! Thank You!!
57. ## Algebra 2

Q: What is the value of b in the equation 4^2b-3 = 8^1-b? My Work/Answer: Set each sides base to 2 2^2(2b-3) = 2^3(1-b) cancelled bases out solved for b my answer - 9/7 Is my work and answer correct Thank You
58. ## math

First estimate answer then divide to find exact answer. Simplify all answers. 2 2/3 divided by 10 2/3 I don't understand how to estimate the answer.
59. ## Math

What is 1 7/12 - 3/20 equal to? I tried to do this question but I couldn't quite get the answer. For the directions of the work, its says use the least common multiple as the denominator and when I came across this one, I couldn't quite get the answer. If
60. ## Algebra

I can't seem to solve this for x correctly...I got 128 over 55 as an answer which can't be correct. Please help me find the correct answer! Thanks! The equation is: .05x-.6(x+2)=.08 Please show the work as well as the answer. Thanks again.
61. ## Differentiation

for the curve x^2+z^2+2gx+2hy=0 value of dy/dx at(0,0) is A. -g/h B. g/h C. h/g D. None Please help me. In the answer page it shows option A as answer. I don't know deeply of differentiation . Please could you help me by explain how the answer is A
62. ## statistics/ Help!-thanks!

The producers of a new toothpaste claim that it prevents more cavities than other brands of toothpaste. A random sample of 60 people use the new toothpaste for 6 months. The mean number of cavities at their next check up is 1.5. In the general population
63. ## Physics - Inelastic Collision ( check + help)

A billiard ball of mass 0.55kg moves with a velocity of 12.5m/s towards a stationary billiard ball of the identical mass and strikes it with a glancing blow. The first billiard ball moves of at an angle of 29.7deg clockwise from its original direction,
64. ## Chemistry

The overall cell reaction occurring in an alkaline battery is: Zn(s) + MnO2(s) + H2O(l) ---> ZnO(s) + Mn(OH)2(s) a) How many moles of electrons flow per mole of reaction?...answer: 2. Mol e-Note: b) If 6.09g of zinc is oxidized, how many grams of
65. ## Check My Answers Math

The time between a lightning flash and the following thunderclap may be used to estimate, in kilometers, how far away a storm is. How far away is a storm if 9 seconds elapse between the lightning and the thunderclap? Use the formula d= t/3 , where t is the

anyone fimilar with the merchant of venice by william shakespear check my answers please 1.which of the following elements of comedy are not used by shakespear in the merchant of venice? a.a clown like character b.puns c.slapstick d.cleaver language i

Okay, I think I have arrived at all the answer to the questions thrown my way. However, how do I explain what is happening “graphically”, where the services are charging same rate? : Your company must use a transportation service to shuttle their
68. ## Calculus

The base of a solid is the region bounded by the lines y = 5x, y = 10, and x = 0. Answer the following. a) Find the volume if the solid has cross sections perpendicular to the y-axis that are semicircles. b) Find the volume if the solid has cross sections

1.¿Comó te sentiste ayer? Yo sentí muy bien. 2. ¿Adonde fuiste ayer? Yo fui al cine. 3. ¿Adonde fue tu mama ayer? Mi mama fue a la tienda. 4. ¿Visitaste a tu familia la semana pasada? Sí, yo visité mi familia la semana pasada. 5. ¿Donde estudiaste

Could you check these please? Firewood is usually sold by a measure known as a cord. A full cord may be a stack 8x4x4ft or a stack 8x8x2ft 10. what is the volume of a full cord? 8*4*4=(128ft) 11. A short cord or a face cord of wood is 8x4xThe lenght of the
71. ## english

Rewrite the following sentences, focusing on the grammar area specified in the left column. To enter your answer, click next to the number and begin typing. If the sentence is already correct, write No Change. Dangling Modifiers Flying over the oak tree,
72. ## physics

A mover pushes a couch a distance of 4 m to the top of a ramp into the back of a truck using 500 N of force. A) What is the work input of the mover? B) What is the mover’s power if the task takes 10s? C) If the mass of the couch is 100 kg and the back of
73. ## Calculus Help

The deal your assistant signs calls for the sale of a minimum of 260 chairs and up to 410 chairs. The price will be \$88 per chair if only 260 chairs are bought, but will be discounted by \$0.2 per chair (on the entire order) for every chair ordered in

(TCO 4) State court jurisdiction can be established in all of the following ways EXCEPT: a)when the defendant is a resident of the state, a summons may be served at that residence. b)cases involving more than \$75,000 where the plaintiff and the defendant
75. ## Chemistry

Can someone check my answers? These are based off of an experiment which is determining the proportionality constant, R, in the ideal gas equation. 1. Suppose a student runs into some procedural and calculation difficulties. State the effect the following
76. ## Algebra

1.What is the domain of this relation? domain range -3 3 -2 -6 -1 0,15 0 -6 1 -1 Answer- -3,-2,-1,0,1 2. Compare the quantity in Column A with the quantity in Column B Column A slope of y =3 Column B slope of x =3 Answer- The two quantities are equal 3.
77. ## English

Can you please check these last questions. Thank you very much!! 1) What are the most dominant themes in Shakespeare’s Macbeth? 2) How does Shakespeare define True Love in his famous sonnet The Marriage of true Minds? 3) What do the three witches stand

Use g=10 N/kg in this assignment. 1. What is the gravitational energy (relative to the unstretched surface of the trampoline) of the 20 kg ball at its apex 2 m above the trampoline? I got 400 J 2. What is the kinetic energy of the ball just before
79. ## computer programming

: Create a program like KBC game show where program ask user 3 different question one after another and the user should answer them. If the answer are correct then pop up the message as “you got the right answer” and must ask user does he/she wants to
80. ## Trigonomrtry

I had asked help for a question and Steve gave me this answer on how to set up equation 20-x/6.11=tan28 degrees The answer is approx 16.75 ft. I still don't know how to do this! When I do it I get different answer. Could you please break this down step by
81. ## Math

I have the problem: A triangle has a base of 3.6 cm and an area of 22.32 cm squared. What is the height of this triangle. The teacher gave us the answer key and I know the answer is 12.4 but I don't know how they came to that answer. I can't figure out how
82. ## maths

a mathematics question contained 20 items. every wrong answer scores -2marks, every correct answer scores 4marks and no mark for no answer. find the maximum possible score
83. ## English

Scientists report (1) THAT CREATURES LIVING IN THE DEEP SEA ARE IN DANGER OF STARVING TO DEATH. Millions of undiscovered species live, in the deep sea. Creatures in the seabed are suffering from growing food shortages. Which may be a result of rising sea
84. ## to dr bob..chemistry

bottle of wine contains 13.1% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration of ethanol in wine in terms of mass percent and molality. mass percent _______% molality ______mol/kg Thanks Responses AP CHEMMMM -
85. ## 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
86. ## Emergent computer tech.

1. What file is being called by this IMG tag? (1 point) answer= SRC 2. What type of link is used to call this file? (1 point) answer=need help with this one 3. If the user loads this graphic in a text-only browser how will the browser describe it? (1

hi please check my math answers i only have 2 for now i just wanted to make sure i had the right idea. sarah is making her own halloween costume.The costume requires 2 5/8 yards of materials.Write the number of yards needed for sarahs halloween costume as
88. ## Calculus

We just learned derivatives and now on the Chain Rule. y = r/[(sqrt)(r(sqrd)+1)] y' = [[(sqrt)(r(sqrd)+1)(r)'] - [(r)(sqrt)(r(sqrd)+1)']] / [(sqrt)(r(sqrd)+1)](sqrd) y' = (sqrt)(r(sqrd)+1) - r[1/2(r(sqrd)+1)(raised to -1/2)](2r) My final answer is
89. ## IT computer memory

Hi, Can someone check this for me please.. 18 MB of data are to be transmitted over a a megabyte per second connection. How long should the complete transaction take, to the nearest 0.1s. Size of file / data rate so, 18MB x 10^6 x 8 bits = 144,000,00 4
90. ## auditing

Bill Jensen, a staff member of Zhan & Co., CPAs, has given you the following list of what he refers to as “internal control deﬁciencies” for the Zabling Co. audit and has asked you to review each point and make certain that you agree that each
91. ## Algebra 2 Answer Check

Simplify by rationalizing each denominator. 1. 2/√3 A: 2√3 / 3 2. -18/√6 A: -3√6 Add or subtract. 3. 4√3 - 9√3 A: -5√3 4. √8 - 15√2 A: -13√2 5. √45 + √20 A: 5√5 6. 2√48 +
92. ## calculus

The length of a rectangle is decreasing at the rate of 2 cm/sec, while the width w is increasing at the rate of 3 cm/sec. At what rate are the lengths of the diagonals changing at the instant that l=15 cm and w= 8 cm? Are the diagonals increasing or
93. ## Chemistry

Can someone check my answers? These are based off of an experiment which is determining the proportionality constant, R, in the ideal gas equation. 1. Suppose a student runs into some procedural and calculation difficulties. State the effect the following
94. ## Chemistry

1. Regarding solutions and solids, which statement is true? A. If the solvent is water, the crystal lattice energy of a solid is absorbed. B. Hydration energy is related to the attractions between solute particles. (My Answer) C. If the solvent is water,
95. ## algebra

x^2-4/X^2+3x+2=(x-2)(x+2)/x(3x+2)=(x-2)/x3 check this problem
96. ## math

Please check 5n-30=-20 N=2 5=h/4+9 H=16 -m/3-2=10 M=-36 M/8+5.6=9.85 M=34 36-4r=24 R=3 14==-16-10n N=3 -4x+7=-9 X=4 3y-6=20 Y=8 2/3 6n+16=36 N=3 1/3