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

97,722 questions, page 118

How do I solve this quadratic function by finding square roots 2x²=200 ?

asked by Kesha on February 11, 2008
2. ## Trignometry

ABCD is a square where M and N are midpoints of AD and CD, respectively. If sin∠MBN=a/b, where a and b are coprime positive integers, what is the value of a+b?

asked by Stranger on March 18, 2013
3. ## Math 11

Express the following in completed square form: y = (2x)^2 + 14x - 11 Please show the work because I do not understand it.

asked by Kai on March 9, 2019
4. ## Math - Functions

r = -5x^2 + 73x Can someone show me the steps to complete the square for that equation? I don't really understand them.

asked by Jess on September 22, 2013
5. ## Math

The area of a rectangle is fixed at 150 square feet. For what lengths will the width be less than 10 ft?

asked by sophia on November 28, 2015

Determine the equation of the tangent line to the function (² = square): f(x) = x + cos²x at x = pie/4

asked by Julie on April 12, 2012
7. ## Geometry

If the area of the trapezoid below is 75 square units, what is the value of x? If necessary, round your answer to two decimal places.

asked by Jasmine Hicks on May 18, 2010
8. ## math

how do you figure out the problem to what is the area of the following square where one side is 21in A= s2nd power

asked by nysanah on April 19, 2011
9. ## Math

If a rectangular board has an area of 30 square feet, what are the possible measurements of its length and width

asked by Shion on October 23, 2012
10. ## Math

2. Jacob cuts a square pyramid along the edges. What shapes does he now make and how many of each shape are there?

asked by Ozzy on February 7, 2013
11. ## Math

Robert wants to build a square sandbox that has the area or 25 feet.How long will each side be?

asked by Dayami on December 8, 2016
12. ## chemistry

if the concentration of NO3- in the water is uniformly 5 microMolar, how many moles of N are there per square meter?

asked by Nelly on September 8, 2008
13. ## math

Each side of the shaded square is 1 unit. What is the length, width, and area of the figure?

asked by Sanaya on February 4, 2013
14. ## math

the difference of a cirumfrence and diameter of a circle is 120m what is the area in square meters

asked by giridhar on November 30, 2010

crossword puzzle 6 letters words given square;perpendicular;:triangle;________

asked by John on April 14, 2011
16. ## geometry

a trapezoid has an area of 4 square units and a height of 1 unit what are the possible lengths and bases

asked by Anonymous on April 7, 2011
17. ## physics

calculate the work done in lifting a 300N weight to a height of 10 m with an acceleration 0.5m/second square.

asked by gallium on September 12, 2011
18. ## Capstone Accounting

Assessment of the strategic fit between Square D and Schneider. What are the pros and cons of a combination?

asked by Sherry on June 7, 2012
19. ## Calculus

How do I take the indefinite integral of (5-x)/(2x^2+x-1)? I've tried splitting it into two integrals and even completing the square on the bottom but neither of those led me anywhere. Help?

asked by Mel on February 7, 2018
20. ## Area and Perimeter Word Problems

How many square feet of wallpaper is needed to cover a wall if it has a perimeter of 50 ft and a height of 10 ft?

asked by Mashayla on January 11, 2015
21. ## math

How many number of standard bed fit in an area of 15625 square meters

asked by wert on October 19, 2017
22. ## Math

The opposite sides of a square, a rectangle, a parallelogram, and a rhombus are what type of triangle?

asked by Jordan on March 17, 2015
23. ## algebra1

Olivia is solving the equation x^2-12x=18 what should she add to both sides to complete the square?

asked by mia on June 4, 2013
24. ## math

assume that the edge of a square is 1 unit add squares to this shape so that it has a perimeter of 18

asked by pat on April 6, 2011
25. ## Pakistan

If a square carpet covera an area of 25m2 eash side 16 m long

asked by Areej on August 14, 2017
26. ## math

What is the volume of a regular pyramid having a base area of 24 square inches and height of 6 in

asked by tony on June 29, 2015
27. ## chemistry

if the concentration of NO3- in the water is uniformly 5 microMolar, how many moles of N are there per square meter?

asked by lizzy on September 9, 2008
28. ## THIS IS AN EASY QUESTION!!!

(too bad I don't know how to solve it!) How many different ways can the letters in the word “square” be arranged?

asked by Vince on June 7, 2011
29. ## science Dr. Bob /Pursley

this is the chart we were given S = empty square 13 columns Question which elemnts are classified as metals. K S S S S S J S S F S S S S S S S S S D S S R S S S S S S

asked by liz on November 4, 2007
30. ## algebra

How do you complete the square by filling in the two blanks so as to produce a true equation. x^2 - 12x + ---- = (x - -----)^2

asked by dan on April 25, 2010
31. ## geometry

how many molds can you get from a rectangular prism with a volume of 28 cubic centimeters with a square base

asked by chaleek on April 29, 2019
32. ## math

The surface area of a sphere with a diameter of 5 cm is........ How do I connect SA= 4*pie*r*square to this equation?

asked by charlene on June 10, 2013
33. ## math

a coin is tossed and a die is thrown. what is the probability of getting a head and a perfect square?

asked by peace on July 11, 2018
34. ## MATH

A carpenter wants to be sure that the corner of a building is square and measures 6.0 ft and 8.0 ft along the sides. How long should the diagonal be? A. 12 ft B. 10 ft C. 11 ft D. 14 ft

asked by RICE on April 28, 2012
35. ## statistics

give an example of an article that shows the chi-square assumption method of ststistics

asked by jonja on July 3, 2011
36. ## Math

Solving quadratic equations by completing the square. Could you show me every step how to do it. That way I'll know probably know how to do the other ones. With that method you use. 1/2x^2 + x -13 = 0

asked by Basil on October 30, 2009
37. ## math

Calculate the circle circumference's upper bound if the area is 400cm(square)

asked by somayee on October 20, 2018
38. ## physics

what is the temperature increase of 6.4 kg of water when it is heated by a 7.7*10 square? (cp=4186j/kg*degrees celsius)

asked by crissy on May 4, 2012
39. ## math

The numerical value of the area of a square is 3 times it’s perimeter. What is the length of its side? Explain please?

asked by a dog on May 2, 2018
40. ## maths

The method for completing the square can be used to write the expression -2x^2+12x-5 in the form a(x+b)^2 +c, where a,b, and c are constants. What is the value of c? Thank you for any help.

asked by Trevor on May 20, 2011
41. ## maths

What is the sum of all possible positive integer values of n, such that n^2+19n+130 is a perfect square?

42. ## Math

What is the area of a square with side lengths of 3cm? Use the formula A=s x s Is this correct A= 3x3=9

asked by Amy on August 11, 2015
43. ## Math

Numbers subtract two times a number from half of its Square give a result of 16

asked by Dal on November 19, 2016
44. ## physics

calculate the force of a 300,00 kg jumbo jet that is accelerating 0.4m/square just before takeoff

asked by jim on November 2, 2009
45. ## Math

Draw a rectangle that has a perimeter that has of12 uints and an area of 8 square units

asked by Toya on February 24, 2016
46. ## math

What is the sum of all possible positive integer values of n, such that n^2+19n+130 is a perfect square?

asked by jack on June 17, 2013
47. ## geometry

if the isosceles trapezoid is dilatede with a factor 0.5,what is the area of dialation in square yards?

asked by ali on March 10, 2016
48. ## Physics

How much energy is need to place four positive charges, each of magnitude +5.0 mC, at the vertices of a square of side 2.5 cm?

asked by Anonymous on August 19, 2010
49. ## geomontry

what is the lenght of the diagonal of a square (rounded to the nearest inch) with an area of 36in^2

asked by Mcgraw on August 21, 2012
50. ## Math (algebra)

What are the last three digits of the largest perfect square that can be expressed as p^2+pq+q^2, where p and q are (positive) prime numbers?

asked by Danny on July 16, 2013
51. ## Algebra

To which subset of real numbers do square roots belong? My answer is Irrational

asked by Faye on August 23, 2014
52. ## math

does anyone know the formula for finding the base of a square based pyramid when u have the volume and height ?

asked by tiffany on July 27, 2012
53. ## math - geometry

graph the quadrilateral separately nd algebraically and show if it's a square quad abcd:a(0,a) b(a,2a) c(2a,a) d(a,0)

asked by sara on November 3, 2010
54. ## Math

Replace ∗ with a monomial so that the trinomial may be represented by a square of a binomial: 36–12x + ∗, and 25a^2+ ∗ + .25 b^2

asked by Sam on March 4, 2018
55. ## math

A fair die is thrown twice, what is the probability that the product of the outcome is a perfect square?

asked by ABIOLA on November 28, 2016
56. ## MATH

Determine if the given regular figures form semiregular tessellations. Square, two octagons

asked by Katelynn on November 13, 2009
57. ## Physics

How much energy is need to place four positive charges, each of magnitude +5.0 mC, at the vertices of a square of side 2.5 cm?

asked by Anonymous on August 19, 2010
58. ## math

carpet is \$25 per square yard. what is cost of circulare rug 9ft in diameter?

asked by Sam on August 5, 2012
59. ## math

arrange the numbers 8 to 16 in the square so that the sum of each row (across, down, diagonally) will always be 36. ply help my daughters.

asked by francine hazel on July 16, 2013
60. ## Chemistry

What is the geometry of XeF4? 1)tetrahedral 2)square planar 3)octahedral 4)seesaw 5)bent

asked by Sarah on December 5, 2010
61. ## Triginometry

Solve 2x^2-12+4=0 by completing the square, expressing the result in simplest radical form.

asked by William on January 1, 2010
62. ## math

what is the total surface (in square units) of an open-topped box with dimensions L*W*H =9*7*6

asked by lindy on April 13, 2013
63. ## math

a rectangle is five times as long as it is wide. if it were 24 cm shorter and 24 cm wider, it would be a square. What are its dimensions?

asked by Anonymous on January 21, 2014
64. ## statistics

Would it be appropriate to use a random number table to select a digit for each blank square in sudoku

asked by Venita on January 19, 2015
65. ## SURE/math

What is the total perimeter of the three tiles? If each square tile is measures 8 inches on the side?

asked by Aron on December 5, 2015
66. ## college algebra

use completeing the square to describe the graph of f(x)=4-16x-x^2 support your answers graphically

67. ## Math

How do you tell whether a number is a perfect square from the exponents of its prime factorization? Explain why this works.

asked by Lisa on April 29, 2015
68. ## Math

How do you tell whether a number is a perfect square from the exponents of its prime factorization? Explain why this works.

asked by Anonymous on April 29, 2015
69. ## MATH

What is the smallest positive integer by which 180 should be multiplied to obtain a perfect square?

70. ## Math

which polygons will always be irregular? Triangle Trapezoid•• Square Hexagon Correct me if I'm wrong!!

asked by Vanessa on February 5, 2016
71. ## physics

What is the electric potential at the center of the square shown in the figure below? Assume that q1 = 1 x 10-8 C, q2 = -2 x 10-8 C, q3 = 3 x 10-8 C, q4 = 2 x 10-8 C and d = 1 meter.

asked by ikemaze on March 15, 2011
72. ## math

Suppose that y varies inversely as the square of x, and that y = 9 when x = 19. What is y when x = 17? (Round off your answer to 2 decimal places.)

asked by Thalita on April 22, 2016
73. ## Math

The hypotenuse (m) and one leg (n) of a right triangle differ by 2. The square of the other side is A)m+2n B)m+n C)2(m-n) D)2(m+n) E)m-2n Work I've done: x^2+(m-2)^2=m^2 x^2+m^2-4m+4=m^2 x^2+4=4m x^2=4m-4 Did i do something wrong?

asked by Alex on November 18, 2018
74. ## maths

if a bowling green is 1350meters square and the chemical is 0.4 litres a hectare how much do you put on

asked by edward on June 29, 2012
75. ## math

three square -based prisms all have the same volume. rank them from least to greatest surface area

asked by Ted on May 27, 2010

What is the smallest positive integer by which 180 should be multiplied to obtain a perfect square? Thank you

77. ## math

a rectangular cardboard, 15 cm by 50 cm is cut into smaller squares. What is the least number of such square pieces?

asked by marlon on March 1, 2018
78. ## physics

5. What is the electric potential at the center of the square shown in the figure below? Assume that q1 = 1 x 10-8 C, q2 = -2 x 10-8 C, q3 = 3 x 10-8 C, q4 = 2 x 10-8 C and d = 1 meter.

asked by ike on March 14, 2011
79. ## AP CALCULUS!! HELPPP URGENT

related rates: the base of a pyramid-shaped tank is a square with sides of length 12 meters, and the vertex pyramid is 13 meters above the base. the tank is filled to a depth of 5 meters, and water is flowing into the tank at the rate of 2 cubic meters er

asked by Raven on April 15, 2011
80. ## AP CALCULUS!!! HELPP

related rates: the base of a pyramid-shaped tank is a square with sides of length 12 meters, and the vertex pyramid is 13 meters above the base. the tank is filled to a depth of 5 meters, and water is flowing into the tank at the rate of 2 cubic meters er

asked by Raven on April 14, 2011
81. ## math

Mia is stacking copies of a new book in a square-pyramid display by the front window of her bookstore. for each consecutive layer, she places one book where four meet. A. I the bottom row of the display has 144 books and there is one book on the top,

asked by Vivian on March 14, 2012
82. ## Physics Question

Find the point between Mars and the Sun at which an object can be placed so that the net gravitational force exerted by Mars and the Sun on this object is zero. We are given a chart with information on the mass, etc. of planetary objects. I know to use law

asked by Jennifer2008 on November 19, 2006
83. ## math

A box with a rectangular base and rectangular sides is to be open at the top. It is to be constructed so that its width is 8 meters and its volume is 72 cubic meters. If building this box costs \$20 per square meter for the base and \$10 per square meter for

asked by maricela on May 9, 2007
84. ## English

Thank you for your help. I have questions. 1. The eighth square on the second row needed 256 spoons of rice, which amounted to a bowl. correct (You said 'correct.' In this sentence 'which' refers to '256 spoons of rice.' This one should be regarded as a

asked by rfvv on September 1, 2011
85. ## calc: relative error

The circumference of a sphere was measured to be 77 cm with a possible error of .8 cm. Use differentials to estimate the maximum error in the calculated surface area. Estimate the relative error in the calculated surface area. please help me..thank you!

asked by amanda on October 31, 2006
86. ## physics (3 separate questions)

1. The motion of a body is described by the equation ay = −308y. (a) Find the angular frequency. (b) Find the frequency. (c) Find the period. 2. A 2.10 kg mass attached to a spring oscillates with a period of 0.395 s and an amplitude of 20.5 cm. (a) Find

asked by Anonymous on March 28, 2011
87. ## algebra

a chemist mixes an 11% alchohol solution with an 8% alchohol solutoins. How many milliliters of each solution should he use to make a 600ml solution that is 8% alchohol solution? Why wouldn't we just use 600ml of the 8% solution to begin with? So 0ml of

asked by nicole on September 12, 2006

Can you PLEASE help me with this problem? I do not understand... The area of a triangle can be found by using the formula A=1/2bh. The area of the triangle can be represented by the expression -17.5x2^ - 138.5x - 27. The triangle's base length is greater

asked by Leroy on February 20, 2017
89. ## Calculus

The fuel consumption (gallons per hour) of a car traveling at a speed of v miles per hour is c = f(v). 1) What is the meaning of the derivative f ' (v)? answer: rate of change of fuel consumption as miles go up 2) What are its units? answer: miles per

asked by Maia on February 6, 2016
90. ## physics

A magnetic field is perpendicular to the plane of a single turn circular coil. The magnitude of the field is changing so that the emf of 0.80 V and a current of 3.2 A are induced in the coil. The wire is then re-formed into a single turn square coil, which

asked by sandy on October 8, 2009
91. ## physics

the range of a rifle bullet is 100m, when thither is the angle of projection if the bullet is fired withe the same angle from a car traveling at 36km/h towards the target, show that the range will increase by 100/7 squire root of tan thither

asked by jabulani on May 25, 2016
92. ## Dental Terminology and Anatomy

1.The largest of the salivary glands is the A. Submandibular B. Sublingual C. Minor D. Parotid 2.The portion of the tooth that is used for mastication and is visble in the oral cavity is the A. Cervix B. Crown C. Root D. Gingiva 3.The ____ makes up the

asked by Ruby on September 21, 2011
93. ## Math Symbols

Let "p" represent 'the area of rectangle ABCD is 50 square inches'. Let "q" represent 'the perimeter of rectangle ABCD is 30 inches'. Let "r" represent "the length of rectangle ABCD is twice the width" My question: use symbols to represent the collowing

asked by Kasey on August 21, 2006
94. ## french

how do i do subjontive? how do i know that i am doing it right? the endingings : e,es,e,ions,iez,ent - do i use those for every verb i use? for -ir verbs, do i also add -iss, or is that onlyfor imparitive? merci! Thank you for using the Jiskha Homework

asked by MiChElLe! on December 20, 2006
95. ## Pre-Calculus

A rectangular garden with an area of 250 square meters is to be located next to a building and fenced on three sides, with the building acting as a fence on the fourth side. Let x be the length of the side parallel to the building. 1. Find T(x), the total

asked by Courtney on January 18, 2008
96. ## Algebra

Solve the quadratic equation. 4x^2-8x+3=5 4x² - 8x +3 - 5 = 0 4x²- 8x - 2 = 0 2x²- 4x -1 = 0 this is as far as I got. I am stuck and do not know what to do next can some one please help? divide by two: x²- 2x -1/2 = 0 Now add 1.5 to each side to

asked by Jess on July 10, 2007

In this problem you will use Rolle's theorem to determine whether it is possible for the function f(x) = 8 x^{7} + 7 x - 13 to have two or more real roots (or, equivalently, whether the graph of y = f(x) crosses the x-axis two or more times). Suppose that

asked by sheks on November 26, 2013
98. ## Math

Ross needs to paint the white boundary lines of one end zone on a football feild. The area of the end zone is 4,800 square feet, and on one side of the end zone measures 30 feet. One can of paint is enough to paint 300 feet of line. Help Ross find out if

asked by Gisela on March 4, 2017
99. ## algebra

An open-top box is to be constructed from a 6 foot by 8 foot rectangular cardboard by cutting out equal squares at each corner and the folding up the flaps. Let x denote the length of each side of the square to be cut out. 1. Find the function V that