# find the derivative of y=(3x+1)^2 y= square root 13x^2-5x+8

97,722 questions, page 632
1. ## Social Studies

Is there another famous person named John Deere. I can only find the John Deere that invented tractors.

asked by Andrew on June 17, 2008
2. ## Optimization - Calculus

Find the point closest to the line sqroot(X+1) from the point (3,0). d = [(x - 3) + (y - 0)]^1/2 d = [(x - 3) + (y)]1/2 Do I now substitute in the equation y = sqroot(X+1) and solve?

asked by Anonymous on December 11, 2007
3. ## trig

CSC(theta)=1.92 Find Theta. Now I know CSC = 1/sin but no matter how I enter it into my cal I get an error.

asked by Zero on February 13, 2012
4. ## geometry

An equilateral triangle has an altitude of 15m. What is the perimeter of the triangle. Could someone please explain how to find perimeter. I believe the answer to be 60 sq rt 3m

asked by Brandon on February 13, 2012
5. ## Maths

A woman is 3 times as old as her daughter.six years ago,the sum of their age was 36.find the daughter's age.

asked by Isabelle on October 14, 2015
6. ## reality

i told my boyfriend his eyes are cute and he asked me "what is so cute about his eyes?" And i cant find right words to say. plz help me //thank u (:

asked by alanaR. on March 24, 2011
7. ## Areas and volumes

The base of a pyramid is a right triangle. The legs of the triangle measure 6 in and the altitude of the pyramid is 5 in. Find the volume.

asked by Ariel on June 3, 2010
8. ## maths

The bearing of two points Q and R from a points P are 030 degree and 130 degree respectively. If PQ is12cm and PR is 5cm, find QR

asked by Christian on July 6, 2016
9. ## Math

The length of a rectangle is 2cm less than 7 times the width the perimeter is 60cm find the width and length

asked by Anonymous on November 5, 2012
10. ## Physics

A Fahrenheit thermometer registers 107° while a faulty celsius thermometer registers 42°.find the error in the later

asked by Bhargavi on September 21, 2017
11. ## Chemistry

What is the mass of a cylinder of lead that is 2.50 cm in diameter and 5.50 cm long. The density of lead is 11.4 g/mL. Find the volume of the cylinder.

asked by Eliza on July 8, 2013
12. ## Math

The length of a rectangle is 2cm less than 7 times the width the perimeter is 60cm find the width and length

asked by Anonymous on November 5, 2012
13. ## math

for linear pair angle AOC n BOC, 2 m angle AOC= 3 m angleBOC .Find measure of each of them

asked by priyam rupani on February 15, 2012
14. ## geometry

for linear pair angle AOC n BOC, 2 m angle AOC= 3 m angleBOC .Find measure of each of them

asked by priyam on February 15, 2012
15. ## Math

Find a way to estimate the time to flip a coin 10,000 times; 100,000 times.

asked by Lori on January 23, 2015
16. ## calculus

a function has a local maximum at x=-2 and x=6 and a local minimum at x=1. how do u find the concavity of this function and point of inflection??

asked by Navroz on November 11, 2012
17. ## statistics

if 2 out of 100 second graders are randomly selected, find the probability that they are both boys and like spring. boys/spring 39

asked by erika on April 7, 2014
18. ## statics

in a certain normal distribution , 1.25% of the area lies to the left of 42 , and 1.25% of the area lies to the right of 48. find population mean and sigma

asked by Anonymous on January 24, 2015
19. ## algebra

The class average on a math test was 75.5 and the standard deviation was 4.2. Find the z-score for a test score of 81

asked by Samantha on May 20, 2013
20. ## maths

the perimeter of an isosceles triangle is 28, the sides are 4b, 6b-2a+1 and a+2b respectively. find the values of a and b hence state the lenghts of the sides of the triangle

asked by uzoma on January 12, 2018
21. ## math

kristyn is 4 years younger than mario. 3 years from now, she will be two thirds as old as mario. find their present age.

asked by Missy on January 6, 2014
22. ## math

find the product greatest four digit number and smallest three digit number using property of multiplication?

23. ## math

chuck traveled 120 miles in 2 hours. Find the number of miles per hour he traveled

asked by Tracy on October 22, 2015
24. ## physics help!!!

How do you find the speed of sound wave using the formula for speed when you have 195 Hz 89.4m in 0.311s. Help what formula to use what's the answer???

asked by lili-chan on February 7, 2012
25. ## algebra2

the denominator of a fraction is 3 less than twice the numerator. if the numerator is doubled and the denominator by 8, the resulting would be 2/3. find the original fractions

asked by mary on May 20, 2013
26. ## Math

Find F(x) such that F'(x) = sec^4 (x) and F(pi/4) = 0 F'(x) = sec^4 F(x) = (1/3)tan^3 (x) + tan(x) + C Now I don't understand the last part of the question? Just replace x by pi/4?

asked by Lele on December 2, 2018
27. ## Math

1. Find the midpoint AB. Point be is located at (6,6) and point A is located at (-3,-3). There's a straight line connecting them. A) (4.5, 4.5) B) (1.5, 1.5) C) (3,3) D) (2,2) Is the answer D?

asked by Tim on January 23, 2016
28. ## math plz ugh

Find an equation of the line with slope -3/4 and y-intercept (0,-5).write the answer in slope intercept form.

asked by Anonymous on August 3, 2014
29. ## Algebra

the altitude of a triangle is 3m less than half its base. If the area of the triangle is 300 m^2 find the measure of the base.

asked by Sarah on February 11, 2012
30. ## Math

The parametric equations for a line L1 are as follows: x = 2+2t y = 2+2t z = −3+2t Let L2 be the line parallel to L1 and passing through the point (1, −4, −3). Find the point P on L2 whose x-coordinate is −4. P = P(−4, 0, 0) Thanks

asked by Excel on October 18, 2015
31. ## geometry

The measure of an exterior angle of a regular polygon is given. Find the number of sides of the polygon? Given number is 72?

asked by Dylan on March 3, 2014
32. ## Maths

Show that the points (20°N,20°E) and (60°N,160°W) lie on the same great circle.Find their great circle distance apart.

asked by Gbotty on January 11, 2017
33. ## math

Use the given function to answer the following questions. g(x) = (5 x^2) / (x + 1) Without graphing, find the oblique asymptote. If there is no oblique asymptote, enter NONE.

asked by jasmine on February 9, 2009
34. ## Spelling

Could you help me to find the definition of Arch? It has to relate to fingers. I check few website but does not say about fingers or relate to science. Thank you for your help.

asked by HAPPYFACE on January 12, 2009
35. ## geomatry

the measure of one angle of a linear pair is 3 thimes the measure of the other angle. find the measures of the two angles

asked by jazz on October 18, 2011
36. ## college mathematics

5. Given p is false, q is true, and r is false, find the truth value of the statement (~p~q)-->~r. Show step by step work.

asked by cody on February 7, 2012
37. ## math

The base of a triangle is 3 cm greater than the height. The area is 14cm^2. Find the length and height of the base.

38. ## math

in the middle circle have rectangle with length 12 and wide 5, find shaded area between rectangle and circle

asked by lulu on April 1, 2017
39. ## maths

Xsin(theta)-Ysin(theta)=sqrtX^2+Y^2 and cos^2(theta)/a^2+sin^2(theta)/b^2=1/x^2+Y^2 then find the relation

asked by aakash on April 24, 2014
40. ## Mathematics

In the Triangle ABC, A=50, C=26 and AB is produced to D. Find ABC(B angle) and CBD(B angle). Answers are 104 and 76?

asked by Ali on March 23, 2019
41. ## geometry

Find the lateral area of a regular hexagonal pyramid with base edge of 10 in and lateral edge of 13 in.

asked by Piggy on February 22, 2012
42. ## chemistry

Given the thermochemical equation: 2 Al(s) + 3/2 O2(g) > Al2O3(s) ΔH = -95.7 kJ find the heat of reaction, ΔH, for the following reaction: 2 Al2O3(s)> 4 Al(s) + 3 O2(g) Select one: a. -95.7 kJ b. +95.7 kJ c. -47.8 kJ d. +47.8 kJ e. +191.4 kJ

asked by tal on May 15, 2014
43. ## Math

John bought 2 pounds of chocolate for \$7.50. Write expression to find the cost of 3.5 pounds of chocolate?

asked by Haley on April 4, 2011
44. ## math

A circle is tangent to the y-axis at y=3 and has one intercept at x=1. a) Determine the other x-intercept. b) Find the equation of the circle. Thanks for helping!

asked by alk on August 3, 2008
45. ## Chemistry

2 ml of 1M HCl 0 ml of H2O 3ml of .3M Na2S2O3 How do I find the initial and final concentrations of both HCl and Na2S2O3?

asked by Nicole on January 7, 2013
46. ## Geometry HELP

A line has a slope m=1/3 and it passes through the point (3, 4). Find the equation for the line in slope-intercept form. a.)y = 1/3x + 3 b.)y - 4 = 1/3(x - 3) c.)y - 3 = 1/3(x - 4)

asked by Ariel on June 8, 2010
47. ## trig

Given csc theta= 4, cot theta < 0 Find the exact values of cos theta and tan theta

asked by J on February 11, 2014
48. ## Language Arts

Please help me answer this question and the rest of the questions. Where can you find the worksheets you need for each lesson? I would appreciate it if you guys could help me with this question and the rest. Thank You! ^-^

asked by EmojiMCGamer on February 1, 2018
49. ## math

Find the slope of the lines that are (a) parallel lines (b) perpendicular lines to the lines passing through the pair of points (3, 4)(2,-1)

asked by Bridget on November 4, 2013
50. ## Calculus - Special sum formulas

Find a formula for Sum_{j=1}^n (j+3) (j-4) So far, I have foiled to j^2-j-12. Thus,Sum_{j=1}^n(j^2) - Sum_{j=1}^n(j) - Sum_{j=1}^n(12). From Special Sum formulas, I have gotten to n(n+1)(2n+1)/6 - n(n+1)/2 - 12n What do I do from here?

asked by James on November 4, 2016
51. ## Geometry

The measures of the angles in a triangle are in the extended ratio 3:4:5. Find the measures of the angles. show work x =       m∠1 =      ° m∠2 =      ° m∠3 =      °

asked by Carrie on February 1, 2016
52. ## geometry

kite ABCD with angle A=60 degrees and angle C=90 degrees, diagonal DB=12 find the area and perimeter

asked by Kathy on November 30, 2010
53. ## Math

The length of the top of a work bench is 5 m greater than the width. The area is 66 m^2. Find the length and the width.

asked by Erin on February 3, 2018
54. ## G.p.

The sum of n terms of a series is a.2^n-b, find its n th term. Are the terms of this series in g.p.? sir this question answer (a2^n-1)

asked by Warnar on December 7, 2016
55. ## physics

A 4.5 kg bag of groceries is in equilibrium on an incline of angle θ = 55°. Find the normal force of the incline on the bag.

asked by Kevin on December 2, 2010
56. ## geometry

in a diagram of a scalene triangle ABC, line DE is the midpoint of line AB and line AC and DE=7 find the length of line BC

asked by melinda on December 5, 2010
57. ## geography

What are the 5 themes of geography for los angeles, california? **do you have any sites to suggest to find the 5 themes of geography**

asked by thalia on May 31, 2014
58. ## Maths

The numerator of a fraction is less than its denominator is increased by 9 and the numerator by 2,the fraction bcms two-third.find d fractn. Ans is 26/33

asked by Simran kaur on November 2, 2012
59. ## math

The sum of two numbers is 48. Four times the smaller number is equal to twice the larger number. Find the two numbers.

asked by shelly on November 29, 2007
60. ## Math

The numerator of a fraction is less than its denominator is increased by 9 and the numerator by 2,the fraction bcms two-third.find d fractn. Ans is 26/33

asked by Simran kaur on November 4, 2012
61. ## physics

A cube of aluminum is 4cm on each side.find the mass of the cube. (Density of aluminum is 2.7g/cm3

asked by ali on October 6, 2011
62. ## Math

How do you solve the following question? **QRST is a rectangle. If m

asked by yonoodles on March 8, 2015
63. ## geometry

For "circle"(O,r) , AP is the tangent at "A belongs to circle", from an exterior point P. Now, OP "intersection" circle = {B}. If BP = 1.6 = AB/5 , Then find diameter of the circle.

asked by parnas on January 21, 2010
64. ## Math

Given triangleABC proportion to trianglePQR. If AB=4cm, BC=6cm, AC=9cm, and QR=4cm, find the perimeter of trianglePQR

asked by Raquel on January 28, 2018
65. ## Pre Calculus

16. Use a calculator to find a value for ln16.1 to four decimal places. a. 2.7788 b. –2.7788 c. –1.2068 d. 5.0814 e. 1.2068

asked by Jessica Maths on July 6, 2016
66. ## MATHS

An amount of 2440 consists of #100 and #10,the number of 100 is 6times as much as 10,find the number of100 and 10

asked by STEVIUM on January 29, 2016
67. ## Literature

Book on Every day heroes. was trying to find book to have at home, teache won't let us take home. Need to do an essay.

asked by Nick on December 2, 2007
68. ## math

Graph the following equations; calculate the slope, x-intercept, and y-intercept, and label the intercepts on the graph. 1. A temperature of 41 degrees F is equivalent to 278.2 degrees K, while a temperature of 86 degrees F is equivalent to 303.2 degrees

asked by lisa on July 16, 2007
69. ## physics

a small mass is suspended from a long thread so as to form a simple pendulum. The period . T of the oxillation depend on the thread and the acceleration. G of free fall at the place concerned so that. T=km^x,l^y,g^z.where k =2pie (1.) Find the value of

asked by praise on October 5, 2013
70. ## Psychology

• Find a peer reviewed article which discusses the effects of optimism on physical and psychological health. • Write a 1400 to 1600-word paper summarizing the article and stating your opinion on the validity of the study or studies.

asked by dave on August 19, 2010
71. ## Need an opinion

I'm doing a speech on teen suicide and I need your opinion. I start with an introduction, statistics, and why I chose the topic. But for these three things is the order correct or should switch them. If you were listening what would you like to hear first.

asked by Courtney on March 5, 2010
72. ## Math

The distance d1 in miles, a small plane is from its final destination is given by d(t) = 250 – 100t, where t is the time, in hours, remaining for the flight. Find and discuss the meaning of the intercepts of the graph of the function. (You must first

asked by Debbie on April 22, 2014
73. ## Chemistry

Calculate the concentrations of all species in a 1.41 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10–2 and Ka2 = 6.3× 10–8. Na^+ = 2.82M SO3^2- = 1.40M HSO3^- = 0.00047M H2SO3 = OH^- = H^+ = I have

asked by Chris on October 11, 2012
74. ## math

Find the amount of compound interest earned in an account that opens with \$23,000, earns 4.3% interest compounded daily, and is held for 10 years. Assume 360 days in a year. (Round your answer to the nearest cent.) \$ 1

asked by Anonymous on August 20, 2012
75. ## English

Here is part of a story; no name, no title. the quarrel in Sumatra Crescent with its suggestion of vast and unmentionable antagonisms; her swift race through the moon-drenched countryside, all crepitant with night noises: .... (This is part of a question

asked by elda on April 24, 2007
76. ## Chemistry

Calculate the concentrations of all species in a 1.41 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10–2 and Ka2 = 6.3× 10–8. Na^+ = 2.82M SO3^2- = 1.40M HSO3^- = 0.00047M H2SO3 = OH^- = H^+ = I have

asked by Chris on October 11, 2012
77. ## Science

A Herculean bomber jet accepts 40kg of air per second at a velocity of 200m/s, burns 2kg of fuel at the same time,and releases exhaust gases at 600m/s relative to the bomber. find the thrust due to its engine.

asked by Jennifer on April 12, 2015
78. ## Physics

An object is placed 5 cm in front of a concave lens of focal length 7 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation. I am confused on what numbers would be negative in my formula of

asked by Frank German on December 5, 2014

Changing sentences for complex sentences 1.The stray cat took refuge in an old cardboard box to keep warm. 2. Some students find it difficult to make the transition to a new school 3. Jesus suffered from persecution due to his religious beliefs.

asked by Anna on October 10, 2012
80. ## Physics

A 0.150 kg frame is suspended from a coil spring, and stretches 0.050m. A 0.200 kg block is dropped from rest onto the fram from a height of 30.0cm. Find the maximum distance the fram moves downward from the initial position?

asked by Sandhu on October 21, 2009
81. ## Chemistry

When 80.0 mL of HCl is added to 80.0 mL of NH3OH, the temperature increases 2.5 celsius. Assuming the final solution has the same specific heat capacity as liquid water, the heat produced in the reaction between two solutions is: I don't know how to find

asked by Wendy on February 22, 2015
82. ## Physics

Police find skid marks 180 meters long on a highway where a car made an emergency stop. Assuming that the deceleration was a = 10 m/s¶ (about the maximum for dry pavement), how fast was the car traveling before the brakes were applied?

asked by lee on November 14, 2013
83. ## Physics

An artillery shell is fired at an angle of 67.4◦ above the horizontal ground with an initial speed of 1860 m/s. The acceleration of gravity is 9.8 m/s2 . Find the total time of flight of the shell, neglecting air resistance. Answer in units of min

asked by Beth on January 13, 2015
84. ## calc

I have another question (studying for finals, haha) Let ~r(t) = et cost ~i + et sin t~j be parametric equations of a curve C. Find the length of C from t = 0 to t = π. so the equation I am using is the integral from a to b (in thsi case 0 to pi) of the

asked by rebecca on December 7, 2014
85. ## Occupational Safety

Do other countries have individuals who played a significant role in starting safety programs in their countries? need references thanks You might find this article interesting. http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1446786

asked by Ashley on April 9, 2007
86. ## chemistry

A 1.252g sample containing iron dissolved and converted to Fe followed by ADDITION OF 25ML OF 0..01m K2CR2 07. THE EXCESS K2CR207 REQUIRED 6.85ML OF 0.015m SN2+. Find the percentage fe3 04 fw 213g/mol in the sample. Who helps me

asked by Fai on December 11, 2012
87. ## Physics STUCK!

A point on the A string of a guitar oscillates in approximately simple harmonic motion with a frequency of 113 Hz and an amplitude of 1.04 mm. Find the maximum speed and acceleration of this point. SOLVE FOR: vmax = amax Can you please provide me with the

asked by High School STUDENT on January 24, 2013
88. ## chemistry

A 0.200g sample containing mn02 was dissolved and analyzed by addiction of 50ml of 0.100M fe to drive the reation. The excess fe required 15ml of 0.0200 m kmn04. Find % mn304 fw 228.8mg/mmol in the sample? who helps me

asked by Fai on December 9, 2012
89. ## MATH

Find the amount of compound interest earned in an account that opens with \$21,000, earns 5.5% interest compounded daily, and is held for 20 years. Assume 360 days in a year. (Round your answer to the nearest cent.)

asked by Anonymous on April 15, 2010
90. ## Chemistry

When 80.0 mL of HCl is added to 80.0 mL of NH3OH, the temperature increases 2.5 celsius. Assuming the final solution has the same specific heat capacity as liquid water, the heat produced in the reaction between two solutions is: I don't get how to find

asked by Wendy on February 22, 2015
91. ## physics

An artillery shell is fired at an angle of 45.3◦ above the horizontal ground with an initial speed of 1710 m/s. The acceleration of gravity is 9.8 m/s2 . Find the total time of flight of the shell, neglecting air resistance. Answer in units of min.

asked by Anonymous on November 19, 2009
92. ## CHEMISTRY

In my lab report, I am asked to "Find the solubility of Ca(OH)2 in H2O as the temperature increases. Explain (in terms of energy) the reasons for this trend." From what I have found, Ca(OH)2's solubility goes down, but I have no idea why! It isn't a gas...

asked by June on October 26, 2013
93. ## Finance

Find the amount of compound interest earned in an account that opens with \$24,000, earns 7.8% interest compounded daily, and is held for 20 years. Assume 360 days in a year. (Round your answer to the nearest cent.)

asked by Algebra on August 29, 2012
94. ## Math

Meghan deposited \$2,500in an account at a bank that pays 16% compounded quarterly. Use the compound interest table to find the interest earned on the investment after 2 years. a. \$921.43 b. \$204 c. \$2,704 d. \$3,421.43 **This is a sample question** (Please

asked by Markus on April 21, 2015
95. ## history

2. It's believed that the role of feasts in the Ice Age was to A. strengthen group ties. [B.] mark times when food was abundant. C. celebrate weddings. D. celebrate the resolution of serious conflicts. i think this is the answer but i couldn't find it in

asked by Anonymous on March 4, 2013
96. ## Social Studies

I need help finding a current event. I have looked everywhere and can't find one. It is supposed to be about catholic schools week and has to have happened anytime between last sunday and today. please don't give me one about a certain school. i would like

asked by Zoey on February 3, 2010
97. ## Physics

An artillery shell is ﬁred at an angle of 75.7 above the horizontal ground with an initial speed of 1720 m/s. The acceleration of gravity is 9.8 m/s^2. Find the total time of ﬂight of the shell,neglecting air resistance. Answer in units of min.

asked by Karen on November 26, 2012
98. ## english

For english, I should need a special report which talks about president obama: one year later (I precise I'm French).Since several days, I read NYTimes but i didn't find yet.That's why I would like knowing if it exists and where i can have got it.I don't

asked by Marie on December 22, 2009
99. ## geography

Find the surface area of the cylinder in terms of pie. 14 cm diameter and 18 cm for the height. π = the number pi (3.1416...) r = radius is not the correct way to do this problem any help would be great. answer are 350cm^2 i think this is correct however

asked by Paige on March 30, 2018
100. ## chemistry

I am trying to calculate geometry optimization of cyclodextrin, however, the computer always show error 2070 in gaussian. I used sem-empirical pm3 and try pm6, and tried to find any method to do this work, but every try could not work. I hope any body on

asked by bun on May 28, 2012