# 1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)1215 B)3645 C)9375 D)23 I chose A 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3... A)aN=-12(1/3)n-1 B)aN=12(-1/3)n-1 C)aN=-12(-1/3)-n+1 D)aN=-12(-1/3)n-1 I chose C 3)Find

92,916 questions, page 512
1. ## math

A diagonal of a rectangle measures 61cm. The width of the rectangle is 11cm. Find the length of the rectangle.

asked by mandy on December 7, 2011
2. ## beginning algebra

The length of a rectangle is 1ft more than twice its width, and the area of the rectangle is 28ft^2 . Find the dimensions of the rectangle. l= w=

asked by Rachal on February 9, 2011
3. ## Math

A student takes in 2,300 calories and burns 2,500 calories. Find the net calories.

asked by Help please on January 9, 2011
4. ## pre algebra

Tell whether the events are independent or dependent. Then find the probability. You roll a 6 on a number cube. Then you roll again and roll a 2.

asked by amy on May 30, 2012
5. ## Math

The sides of a square are all increased by 3 cm. The area of the new square s 64 cm^2. How can you find the length of a side of the original square?

asked by Angie on April 30, 2009
6. ## Math

Imagine that a new operational symbol for mathematics has been developed. This symbol is ~ and is represented by: a~b=ab/a-b Using this new symbol, find the value of :(2~3)~4. Just plug in. 2~3 becomes 2*3/(2-3) = -1, and -1~4 becomes -1*4/(-1-5) = -4/-6 =

asked by Ben on December 6, 2006
7. ## calculus

Find the exact value of the given expression. (tan17pi/12 - tan pi/4) / (1+tan 17pi/12 tan pi/4) can you help with this? i got the answer 1/ squareroot 3

asked by megan on July 11, 2016
8. ## math

A student takes in 2300 calories and Burns 2500 calories.find the net calories

asked by Anonymous on November 7, 2011
9. ## Maths

Differentiate y=(5x-2)^3(3-x)^6 using the product rule. i don't get the step where they find the common factor could you help me by doing it step by step please ? thank you!

asked by Karoline on November 21, 2009
10. ## science

What is the final velocity? V1=18m/s a=-4 m/s2 (add it in even though I left it out) t=2 Find v2=? v2=v1+ATriangleT v2=18m/s+(-4m/s2) (1.5s) v2=18m/s+(-6m/s) v2=12m/s

asked by Judy on April 27, 2010
11. ## geometry

in the diagram below of triangle TEM, medians line TB, line EC and line MA intersect at D, and TB = 9. Find the length of TD.

asked by amanda on May 15, 2012
12. ## Geometry

If the diagonal of a square has a length of 10 suare root of 2 cm, find the area of the square and the perimeter of the square.

asked by Jen on March 13, 2011
13. ## math

a single die isrolled, find the probabilities of: a) P( an odd number greater than 1) b) P(number less than 5) c) P(the number 3 or 7)

asked by joey on October 23, 2008
14. ## functions

a) find the zeros of t(x) =2x^2 + ix + 3. b) The zeros are not complex conjugates. Explain why this does not contradict with the Conjugate Zeros Theorem

asked by jerson on November 17, 2008
15. ## math

Find the area of the following plane figure. Use = 3.14. A circle has a radius of 8 cm. What is its area? Area (to the nearest tenth) =

asked by C on July 5, 2016
16. ## trigonometry

Given Cos (theta)= 0.5, find Sin (theta) and tan (theta), correct to 2 decimal places.

asked by shak on November 25, 2009
17. ## Math

The difference of two number is seven. when the larger number is decreased by five, then doubled, it is five more than the small number. Find the numbers.

asked by Jun on October 4, 2016
18. ## finite math

Given n(A')=23, n(B')=16, and n((A [intersect] B) U (AUB)'))= 24, find (A [intersect] B) I apologize but intersect was the best way I found to represent the upside down U symbol.

asked by allen on September 9, 2012
19. ## Math

The base of the right prism is a rhombus with the side 7 cm. The altitude of the prism is h=13 cm. Find the lateral area of the prism.

asked by Anonymous on May 13, 2017
20. ## algebra

find all the real cube roots of -0.000216 a) 0.0036 b) -0.06 c) 0.0036 and -0.0036 d) -0.06 and 0.06 multiple choice

asked by John on March 15, 2008
21. ## Math: Area of Circles

Find the area of each circle shown below. The image shows a) a circle with the diameter of 20 cm and b) a circle with the radius of 7 m.

asked by Cami on March 5, 2018
22. ## GUESS MY RULE WITH LETTERS

I CAN`T FIND OUT WHAT THE RULE IS I KNOW THAT THE LETTERS THAT ARE IN THE RULE ALL HAVE STRAIGHT LINES N THE ONES THAT DO NOT FIT ALL HAVE CURVES I JUST NEE TO KNOW WHAT THE RULE IS PLEASE SOMEONE HELP ME

asked by MELISSA on January 6, 2014
23. ## calculus

Verify that the Intermediate Value theorem applies to the indicated interval and find the value of c guaranteed by the theorem. f(x) = x^2 - 6x + 8, [0,3], f(c) = 0 I have no idea how to use the theorem :(

asked by Jack on September 27, 2010
24. ## Math

How do I find the dimensions of a rectangle if the length of the rectangle is 1 yard more than twice its width, and the area of the rectangle is 66 yards^2 .

asked by Terry on March 7, 2013
25. ## College Physics

A charge of -3.10 nC and a charge of -6.65 nC are separated by a distance of 80.0 cm. Find the position at which a third charge of +7.10 nC can be placed so that the net electrostatic force on it is zero.

asked by Stefan on January 19, 2011
26. ## Trig

If tan theta = a/b, where a and b are positive, and if theta lies in quadrant III, find sin theta

asked by Eka on January 29, 2016
27. ## math

The area of the rectangle with length (x + 9) inches and width 6 inches is more than 72 square inches. Which inequality can be used to find x?

asked by kool on April 15, 2017
28. ## Trig

If cot theta = -12/5 and the terminal side of theta lies in quadrant II find secant theta

asked by Lara on February 13, 2016
29. ## Math

if a number is subtracted from the numerator of 3/5 and the same number is added to the denomminator of 3/5, the result is equivalent to 1. find the number

asked by Brittney on December 5, 2012
30. ## Math Ratios

The ration of the length of a rectangle to its breadth is 9:4. If the perimeter of the rectangle is 104 cm. find the area of the rectangle.

asked by Dottie on September 13, 2012
31. ## math

a right triangle has an acute angle(theta) suck that cot(theta)=15. find cos(theta)

asked by brenna on March 18, 2013
32. ## Math

the vector u makes angles α(alpha), β(beta), γ(gama) with respectively the X–axis, the Y –axis and the Z–axis. Find γ if α = 2π/3 and β = π /4

asked by Amar on October 12, 2010
33. ## mATHS

TA and TB are tangents and 0 is the centre.Angle CAD =x,find in terms of x(i)angle OBA(ii)angle CPB.

asked by katrina on June 6, 2007
34. ## maths

I think of a number, hen multiple by 3 and 17 added ,the result is the same as if 4 multiply the number and 10 dedut it find the number

asked by chidima on January 23, 2017
35. ## College Physics

A charge of -3.10 nC and a charge of -6.65 nC are separated by a distance of 80.0 cm. Find the position at which a third charge of +7.10 nC can be placed so that the net electrostatic force on it is zero.

asked by Stefan on January 19, 2011
36. ## Physics

A 7.94 nC charge is located 1.75 m from a 4.18 nC point charge. Find the magnitude of the electrostatic force that one charge exerts on the other.

asked by Ashley on January 26, 2013
37. ## ap calculus

find the critical points, inflection points, the absolute minimum value of y, and the relative maximum points of y=x^4-3x^2+2

asked by Thomas on May 29, 2012
38. ## Math

Find the exact value of cot theda if theda is in standard position and (-7,2) is on the terminal side of Theda

asked by Anonymous on June 7, 2010
39. ## Statistics

Find the probability of winning the lottery Select the six winning numbers from 1 to 34. (in any order, no repeats) P(winning)= ?

asked by Macy on October 20, 2014
40. ## Math

There are 28 boys in a class which account to 78 of the whole class. Find the total number of students and girls in the class.

asked by Siranta on November 3, 2012
41. ## calculus

for the given functions f and g, find the following and state the domain of each. f(x)=square root x; g(x)=5x-1 a. (f*g)(x)= ? what is the domain of f*g? b. (f/g)(x)=? what is the domain of f/g? please show work

asked by anonymous on January 1, 2013
42. ## Statistics

if it can be assumed that 39.5% of all telephone #'s are unlisted, and that all telephone #'s are independent,find the probability that at least 1 of 5 telephone numbers are listed.

asked by Rochelle on October 8, 2012
43. ## Geometry

Find the volume of a rectangular solid with the following dimensions: 2.3 cm x 4.6 cm x 7.8 cm A. 8.25 cm3 B. 82.524 cm3 C. 41.262 cm3

asked by Juan on July 24, 2009
44. ## Math

Find three consecutive even integers such that the sum of the smallest integer and twice the median integer is 20 more than the largest integer.

asked by Lacy on August 31, 2016
45. ## maths

find the equation to the straight line which passes through the point of intersection of the line 3x+4y-1=0 and 5x+8y-3=0 and is perpendicular to the line 4x-2y+3=0

asked by Anonymous on January 10, 2013
46. ## 7th Grade Math!!

Help!!! How to find the dimensions on a house after its built if it is 18 feet by 16 feet. The only info they give me is that 1/2 in = 10 feet?? What formula do I use?

asked by Celeste on November 15, 2012
47. ## math

one of the angle of triangl is 60 degree.the smaller angle of the other two angle is half of the greater.find all angles

asked by doon iernational on July 19, 2016
48. ## pre calc

A square is drawn inside a square. Find the area of the square as a function of the radius of the circle.

asked by kim on January 14, 2010
49. ## math

The function f(x)is defined as f(x)={-2x+3: if -2 less than or equal to < 1 f(x)={5: if 1 less than or equal to x less than or equal to 2 f(x)={x^2+2: if x > 2 a. find f(0), f(2) and f(5) b. determine the domain of f(x) Please show work

asked by kelli on January 6, 2013
50. ## Math theta angles

Find every angle (theta) between 0 & 360 degrees for which the ratio of sin theta and cosine theta is -3.00

asked by TJ on January 24, 2016
51. ## Math

tiffany will us a total of 63 tiles for her art project she only needs 17 more tiles use mental math to find how many tiles she has already

asked by Phyllis on September 24, 2012
52. ## Fundamentals Of Math

A plumber would like to cut a pipe 60 cm long into two piece. One piece is 10 cm longer than the other. Find the length of the two piece

asked by Anonymous on March 24, 2017
53. ## mathematics

Find the angle of depression of a boat from the bridge at a horizontal distance of 25 m from the bridge if the height of the bridge is 25 m

asked by Rahul on March 20, 2016
54. ## Math

Kathy is y years old Find her age,if 1/2 of wat she was 3 years ago is equal to 1/3 of what she will be in 4 years time

asked by Chris on February 16, 2016
55. ## maths

Given that the equation of the circle is x^2 + y^2 +2x -8y+5 =0 (i)Find the centre and radius of the circle (ii)Determine whether the line x-3y=8 is tangent to the given circle

asked by mazoe on February 27, 2012
56. ## Math

In the diagram below of triangle TEM, medians line TB, line EC and line MA intersect at A, and TB = 9. Find the length of TD.

asked by John on February 9, 2010
57. ## calculus

optimization find the point on the graph of the function that is closest to the given point f(X)= square root of x point:(8,0)

asked by Anonymous on December 9, 2012
58. ## math

Find the representation of the number 256 in thefollowing bases:a. Base six b. Base twelvec. Base two

asked by Anonymous on October 15, 2010
59. ## physics

A 0.300 g wire is stretched between two points 90.0 cm apart. If the tension in the wire is 600 N, find the wire's first, second, and third harmonics.

asked by betty on February 28, 2011
60. ## geometry

If you have a circle in a square and r is the radius of the cicle and x is the measurement outside the square what would the formula be to find the area of the whole square using x and r?

asked by Teresa on September 10, 2011
61. ## Math

Can someone help me with this problem? Find the equation of the tangent line to the curve: f(x)=x^2, a. Parallel to the line y = 8x + 2 b. Perpendicular to the line y = 8x + 2

asked by Branden on October 28, 2011
62. ## Algebra

I am stumped by these two LCM questions for some reason. Find The LCM for #1 2(R-7) and 14(R-7) #2 (1+4r), (1-16r^2), and (1-4r) It seems like #1 is already at the LCM and #2 would be (1+4r)(1-4r) Am I even vaguely correct? Thanks for your help.

asked by Aria on August 2, 2011
63. ## maths

The product of digits of two digit no. Is 24.if its unit's digit exceeds twice its ten's digit by 2;find the number

asked by reet on July 31, 2016
64. ## math

find the number of two digit natural numbers such that the tens digit is greater than the units digit.

asked by tanzima on April 11, 2012
65. ## Hearne High

Find the exact value of each of the other 5 trigonometric functions for the angle of theta (without finding theta) when cos theta is 3/5

asked by Olivia on March 4, 2012
66. ## Math

The length of a rectangle is three centimeters less than the width. If the area of the rectangle is 54cm^2 , find the dimensions of the rectangle

asked by Anonymous on September 28, 2018
67. ## Geometry

A brick has a length of 22 cm and a width of 17 cm. If the volume of the brick is 3,740 cm3, then find the height of the brick

asked by Gabs on February 22, 2016
68. ## alg

Find the sum. Express your answer in simplest form. (14a^2 / 2b) + (3a / 2b) a) 14a^2 + 3a / 4b b) 11a^2 /2b c) 14a^2 + 3a / 2b d) 11 / 2b

asked by sean on July 5, 2010
69. ## math

Given that sin theta=0.488, find theta in correct to nearest minute given that theta is acute

asked by dian on March 10, 2018
70. ## PreCalc

Find the maximum product of two numbers whose sum euqals 124. Let's call the numbers "x" and "y". Also, what are those two numbers?

asked by Lynnette on September 23, 2010
71. ## math

Find the best buy on cashews (1lb is 16oz), a) 1lb for \$6.09 B. 10oz for \$4.59 C. 1lb 4oz for \$7.09 D. 12oz for \$5.09

asked by Jason on November 24, 2009
72. ## Maths

I will be thank full to u in solving the below problem. The sum of two numbers is 108.8 times one of the numbers is 9 more than the other .find the numbers

asked by Ramesh Reddy on January 6, 2012
73. ## geometry

in the diagram below of triangle TEM, medians line TB, line EC and line MA intersect at D, and TB = 9. Find the length of TD.

asked by amanda on May 15, 2012
74. ## Math

Find the value of the following expression: (2^8 x 5^-5 x 19^0)^-2 x (5^-2/ 2^3)^4 x 2^28 I tried to do a couple steps to solve the question but I don't know if its right. Step 1:(2^8 x 5^-5 x 19^0)^-2 x (5^-2/ 2^3)^4 x 2^28 Step 2: (2^-16 x 5^-10) x

asked by Camm on October 25, 2016
75. ## College Algebra

How do you solve with a problem like this one? (I couldn't find how to use the greater than signs) 8-3xis greater than or equal to 11 and 4x-1 is greater than 19

asked by LeAnn/I'm not trying to just get answers on November 18, 2009
76. ## maths

The denominator of a fraction is 3 more than the numerator .if 5 added to both parts the resulting fraction is equivalent 4/5 .Find the fraction.

asked by Anonymous on July 19, 2016
77. ## Geometry

Find the area of each equilateral triangle. The triangle has 12cm sides. The triangle has 10in altitudes.

asked by George on September 30, 2013
78. ## math quadratic equations

a) expand and simplify: (4x-3)(x+1) i get 4x^2+x-3 ? b) factorise: 2x^2 + 13x + 15 c) find y-int, x-int and vertex of: y= x^2-3x-4 i get y-int = -4, but loose it from there :(

asked by Kiirsty on May 25, 2014
79. ## geometry

The oblique prism has a height of 6 inches, a width of 2 inches and a length of 7 inches. Find the volume

asked by anonymous on January 13, 2008
80. ## Physics

A charge of 5.00 ✕ 10^-9 C and a charge of -3.50 ✕ 10^-9 C are separated by a distance of 60.0 cm. Find the position at which a third charge, of 14.0 ✕ 10^-9 C, can be placed so that the net electrostatic force on it is zero.

asked by Mary on June 10, 2017
81. ## Algebra

The length of a rectangle is 8 ft less than three times the width, and the area of the rectangle is 35 ft2 . Find the dimensions of the rectangle.

asked by John on January 2, 2015
82. ## Math

The sum of the three smallest positive values of theta such that 4(cos*theta)(sin*theta) = 1 is k*pi. Find k. Help!!!!!

asked by Bob on June 26, 2016
83. ## college alg

for the given functions f and g find the following and state the domain of each result f(x)=3x+1/8x-9; g(x)=5x/8x-9 (they look like fractions) A) (f+g)(x)=? B)domain of (f+g) c) (f/g)(x)=? d) domain of f/g? please show work

asked by ALLI on September 5, 2012
84. ## Trig

find the algebraic expression that is equal to sin (-theta) sec(-theta) cot(-theta)

asked by Amanda on March 24, 2016
85. ## Math 116 Algerba

The area A of a triangle with base b and height h is given by A= 1/2 bh. Find the area when b= 29m (meters) and h = 20m. The area is ?

asked by Anne H. on November 19, 2009
86. ## Maths

In angle ABC,angle A=angle B=32degree and AB=108 mm,find the perpendicular height from C to the baseAB.

asked by Shane on March 6, 2013
87. ## Algebra

The difference between the digits in a two-digit numeral is 3. The units' digit is twice the tens' digit. Find the nuermal.

asked by Jane on October 22, 2012
88. ## math

4. From your equation, find the European equivalent for U. S. size 8. equation~ m = (y2 – y1) / (x2 – x1) m = (39-34) / (5-3) m = 5/2 b=26.5 Equation = y=5/2x+26.5 Can someone please help me answer this? I have a graph if you need it... ps thank you

asked by Abby on November 3, 2015
89. ## maths

Given that the equation of the circle is x^2+y^2+2x-8y+5=0 (i)find the centre and radius of the circle (ii)Determine whether the line x-3y=8 is tangent to the given circle

asked by tembo on March 14, 2012
90. ## college trig

find the radius of a pulley if rotating the pulley 108.03 degrees raises the pulley 37.3mm

asked by brandi on July 15, 2013
91. ## Math factors

Lareina understands factors, but sometime she has trouble finding all the factors of a number. Find all the factors of 110 to help her.

asked by Adaija on August 26, 2013
92. ## Derivatives

What is the fourth derivative of f(x)= e^-x^2. I got f''(x)=-2e^-x^2 + 4x^2e^-x^2 i need some help on find f''''(x) You have f(x) = e-x2 then f'(x) = -2x*e-x2 = -2x*f(x) f"(x) = (4x2 - 2))e-x2 = f(x)*(4x2 - 2)) f"'(x)= f'(x)*(4x2 - 2)) + f(x)(8x) =

asked by 413 on October 24, 2006
93. ## ALGEBra Estimate

need to estimate to find quotient: -476 / 90 ESTIMATE IS -450 / 90 IS -5 IM NOT UNDERSTANDING ESTIMATE FOR 538/ (-63) 479 / (-61)

asked by MARKO on September 20, 2011
94. ## Pre-Calculus

Three numbers whose sum is 15 are in an arithmetic progression. The product of the 1st two numbers is 2 more than the 3rd. Find the three numbers.

asked by Melina on September 19, 2010
95. ## math logic

I need to find 5 or more ordered pairs (x,y) In which xy = x + y like (0,0) and (2,2) 0,0 2,2 1/2,-1 -1,1/2 i need one more How about two different x's and y''s? (2,3) = 1,5) this is the problem: xy= x+y or the product of xy equals the sum of x and y.

asked by steph on December 3, 2006
96. ## maths

THE AREA OF 4 WALLS OF A HALL IS 3.20MSq the length and breabth of hall is 12.5m and 7.5m respectively.find the height of hall.

asked by manisha on January 19, 2011
97. ## Physics

A charge of 7.00 10-9 C and a charge of -4.50 10-9 C are separated by a distance of 60.0 cm. Find the position at which a third charge, of 13.0 10-9 C, can be placed so that the net electrostatic force on it is zero.

asked by Shannah on February 13, 2011
98. ## Pre-Calc

Hi, can someone please teach me how to solve this? Find the exact value of the trigonometric expression cos(89)sin(29)+sin(89)sin(29)

asked by chizoba on August 13, 2016
99. ## MATH - HELP PLEASE

The length of a rectangle is 3yd less than twice the width, and the area of the rectangle is 65ydsquare. Find the dimensions of the rectangle.

asked by Liv on November 9, 2016
100. ## Math

Minimizing Sum: Find two positive numbers whose sum is 100 and the sum of whose squares is a minimum.

asked by David on October 9, 2009