# 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

92,404 questions, page 424
1. ## MATH

If the total surface area of a sphere is 5544 cm 2, find the diameter of the sphere.

asked by SHUBHAM on April 1, 2015
2. ## Math

Find all the points of intersection of the surfaces whose equations are as follows: z^2 = 2xy - 100 and x^2 + 2y^2 - 100 --------------------- 2y

asked by Josh on October 20, 2008
3. ## Algebra 2

1. A rectangle has an area of x3 + x2 – 7x + 2 square meters and a width of x – 2 meters. Find its length.

asked by Sheryl on May 30, 2011
4. ## Math

Find all the points of intersection of the surfaces whose equations are as follows: z^2 = 2xy - 100 and x^2 + 2y^2 - 100 ---------------- 2y

asked by Josh on October 20, 2008
5. ## Base of a parallelogram

Find the height of a parallelogram with base 9.44 meters and area 70.8 square meters.

asked by Wyatt on April 9, 2013
6. ## Geometry

The diagonals of a trapezoid are perpendicular and have lengths 8 and 10. Find the length of the median of the trapezoid.

asked by Sheenybeany on May 25, 2014
7. ## Algebra 1A

Find the slope intercept of equation of the line that has the given characteristics. Slope 3 and y interceot 0,7

asked by Anonymous on September 10, 2011
8. ## Mississippi

Does anyone know where I can find Mississippi's landlord laws? Or laws related to having cars towed? Thanks.

asked by Kat on August 24, 2007
9. ## maths-perimter

The hypotenuse of a right angled triangle is 20 m. If the difference between the length of the other sides be 4m. find the other sides?

asked by anchal on March 5, 2013
10. ## math

find the area between the x-axis and the graph of the given function over the given interval: y = sqrt(9-x2^2) over [-3,3] actually, it's y = sqrt(9-x^2) over [-3,3]

asked by jamay on April 18, 2007
11. ## maths

a hyperbola of eccentricity 3/2 has one focus at (1,-3). The corresponding directrix is the line "y". find an equation for the hyperbola?

12. ## algebra

find the slope if it exists of the line containing the pair of points (7,1) and (10,-8) I have a slope of -3 is this correct?

asked by Anonymous on September 10, 2011
13. ## maths

The Hypotenuse of a right- triangle is 13 cm and the angle of the line opposite to the hypotenuse is 35 find the other two sides.

asked by Kaps on November 1, 2009
14. ## maths

the measure of one angle of a parallelogram is 25 degree.find the measures of the other angles of the parallelogram

asked by nihal on August 9, 2016
15. ## Math

three whole numbers have their LCM as 180 and their HCF equal to 3. two of the numbers are 45 and 60. Find the third number.

asked by Bright on April 10, 2015
16. ## Trig FInd Translation Rule and Coordinates Thanks!

The vertices of a rectangle are R(–5, –5), S(–1, –5), T(–1, 1), and U(–5, 1). After translation, R' is the point (–11, –11). Find the translation rule and coordinates of U'. (x, y)--> (x – 6, y + 6); (–11, 7) (x, y)--> (x – 6, y –

asked by LeXi ;) on March 1, 2012
17. ## Pre calc

Evaluate by using the Pythagorean identities Find sin θ and cos θ if tan θ=1/6 and sin θ >0

asked by Bill on January 29, 2018
18. ## Geometry

Suppose J is between H and K. Use the Segment Addition Postulate to solve for x. Then find the length of each segment. HJ=2x+5 JK=3x-7 KH=18

asked by Brett on August 13, 2012
19. ## no idea...but plz help

Find the sum of all real numbers x such that (absolute value(x – 2009)) + (absolute value(x – 2010)) = 3.

asked by Ryan on November 29, 2009
20. ## Physics

I have a forumla question. I have this formula x=1/2t^2. Is this the formula to find the acceleration that is caused by gravity?

asked by Soly on September 3, 2007
21. ## Economics

How do you find planned investment from the GDP, and determining the equilibrium GDP of an economy?

asked by John on October 23, 2007
22. ## math

find the slope, if it exists, of the line containing the pair of points (9,5) and (10,-3) teh slope m= 1.2 m=(-3+9)/ (10-5) m=6/5 m=1.2

23. ## Math

Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis.

asked by Eric on November 19, 2012
24. ## PreCalc

Find a polynomial of the specified degree that satisfies the given conditions. Degree 4; zeros −3, 0, 1, 4; coefficient of x3 is 4

asked by Jillian on February 17, 2016
25. ## math

Given that 2

asked by Josh on November 17, 2015
26. ## Math

How do I solve this simultaneous equation 3x-2y=5 (1) 2y-5x=9 (2) I managed to find the value of x and that is -7 but I am having problems to substitute it's value in equation (1)

asked by Vince on May 16, 2010
27. ## Math

A line segment has one endpoint of (-3,2) and an undefined slope. Find the coordinates of another possible endpoint.

asked by Anonymous on February 21, 2017
28. ## Geometry 1 question

Find the image of O(-2, -1) after two reflections, first across the line y = -5 and then across the line x = 1. (-2, -1) (-1, -6) (4, -9) (1, -5) I am very confused, no idea what this means. Please help? Thanks

asked by SkatingDJ on November 17, 2015
29. ## algebra

3/4 of a number is 1/2. Find the number in the lowest terms... please show work I am confused

asked by Laura on October 2, 2011
30. ## trig

Given that sin theta= 3/5 and the terminal side is in quadrant II, find tan (pi/2 - theta)

asked by Ryan on October 11, 2011
31. ## math

Find the variation equation for the variation statement. z varies directly as x and inversely as y; z = 3 when x = 24 and y = 40

asked by Anonymous on March 20, 2010
32. ## Math

Given with a = 12, b = 6, and mA 50° , find mC . Round the sine value to the nearest thousandth and answer to the nearest whole degree.

asked by Taliyah on December 13, 2018
33. ## AP Calculus

Find the particular solution to y ' = 2sin(x) given the general solution is y = C - 2cos(x) and the initial condition y(pi/2) = 1

asked by Tom on March 26, 2018
34. ## geometry

find the positive difference between to consecutive even integers such that 14 times the first is equal to 12 times the second

asked by max on February 17, 2016
35. ## math

For numbers 10-13 find 2 pairs of numbers with the given number as their least common multiple. 10. 10 11. 36 12. 60 13. 105

asked by Shohanur on September 26, 2013
36. ## Chemistry

Find the pH of a buffer solution with equimolar concentrations of: HCOOH and NaCOOH (Ka = 3.5 x 10-4 for HCOOH)a

asked by Bill on February 22, 2017
37. ## math

The sum of two numbers is a twice the bigger number minus the smaller is 17. Find the two numbers

asked by che on November 18, 2015
38. ## maths

In a family of two children, find the probability that the family has two boys given that the first child is a boy.

asked by partha on September 29, 2013
39. ## Calculus

Let F(x) be an antiderivative of sin^3(x). If F(1)=0 then F(8)=? The answer: 0.632 How do I get to that answer? Do I find the antiderivatie and solve for F(x) when x=8?

asked by Katie on January 11, 2010
40. ## Geometry

Find the length of the altitude of an isosceles triangle if one side has a length of 20 ft and a base of 14 ft?

asked by Jay on March 9, 2011
41. ## calculus

the tangent line to the curve y=x^2 at the point (a,a^2) passes through the point (2,1) find all possible values of a. Thank you so much!!

asked by john on December 9, 2013
42. ## trig

If sinx = -3/5, tan x > 0, sec y = -13/5 and cot y < 0, find the following: a. csc(x + y) b. sec (x - y) How do I get the answers of a. -65/33 b. -65/16 Thank you

asked by Priya on May 1, 2008
43. ## math

after 12 years manoj will be 3times as old as he was 4 years ago. find his present age

asked by snehil on July 7, 2013
44. ## Calculus

Sketch the given region R and then find its area. R is the region bounded by the curve y=1/x^2 and the lines y=x and y=x/8.

asked by Anna Kirakosyan on November 3, 2016
45. ## math - still don't get it

Thanks for helping me for figure out my age in months and days but I still need to find my age in hours. Please help me. Thank you.

asked by GL on August 13, 2012
46. ## math

the lenght of a rectangle is twice its breadth. if its perimeter is 18cm, find its length and breadth

asked by Anonymous on August 27, 2016
47. ## Geometry

If line segment WP is an angle bisector, m

asked by Anonymous on November 16, 2015
48. ## Math

If sin(x) = 4/5 and cos(y) = 5/13 with both x and y terminating in quadrant 1 find the exact value of cos(x-y) I know that the denominator will be 65

asked by Bryan on March 19, 2010
49. ## pre-calculus

find a bound on the real zeros of the polynomial functions. f(x)=x^4+7x^3-x-2 every real zero of f lies between - ? and ?

50. ## maths

find the area of the parallelogram that has the vectors as adjacent sides u = -2i + j + 5k v = 4i - 3j - 3k a. 11 b. squareroot 26 c. 86 d. 2 squareroot 86 e. 1

asked by jessie on August 30, 2016
51. ## math

Given that 2

asked by Josh on November 17, 2015
52. ## Calculus

Find the derivative of y=cos^6w+cos(w^6) The answer I have is -6(cosw^5sinw+wsin(w^6)) but it's not right...

asked by Catherine on March 9, 2011
53. ## Calculus

Find the first partial derivatives and evaluate each at the given point. Function w = sqrt(5x^2 + y^2 − 4z^2) Point (2, −4, 2) wx(2, −4, 2) = wy(2, −4, 2) = wz(2, −4, 2) =

asked by Calculus Help on November 17, 2015
54. ## math

Find the average of these times using and recording two different sets of keystrokes you consider efficient? 11.5 s 10.5 s 12.2 s b) Which is more efficient?

asked by aksha on October 21, 2007
55. ## math

find whether the line 2x-y=0 is tangent, real chord on imaginary chord to the parabola y^2-2y+4y=0.

asked by sonu on August 8, 2011
56. ## Calculus

Find the absolute maximum and the absolute minimum values of f(x)=x−7cos(x) on the interval [−ð,ð).

asked by Robin on July 7, 2013
57. ## Math

use the remainder theorem to find the remainder when P(x) = x^4-9x^3-5x^2-3x+4 is divided by x + 3 please help me start this problem I have no idea

asked by Tyler on February 21, 2017
58. ## calculus

Use the linearization approximation (1+x)^k=1+kx to find an approximation for the function f(x)=(1/square root of 4+x) for values of x near zero.

asked by Anonymous on March 2, 2008
59. ## math

Find the discriminant. Tell which conic section each graph will be. 4x^2 + 9y^2 +7x-2y-100=0 4x^2+14xy+7x-2y-100=0

asked by Rick on March 1, 2012
60. ## Math

To find 304 - 126, Jill regrouped 30 tens 4 ones as 29 tens 44 ones. What did she do wrong?

asked by Deja on January 15, 2009
61. ## math

Sketch the given region R and then find its area. R is the region bounded by the curve y=1/x^2 and the lines y=x and y=x/8

asked by Anna Kirakosyan on November 3, 2016
62. ## Math/Calculus

Find the equation of the tangent line to the given equation at the indicated point a) y^2=cos(5x-3y) at ((2pi+3)/5, 1) b) x^2+x^2y+4=0 at (2,-2)

asked by Anonymous on February 22, 2017
63. ## Physics

The Moon is about 3.8e5 km from the Earth. Find its average orbital speed about the Earth.

asked by Ashlyn on February 28, 2013
64. ## Algebra

length of a rectangle is 5y more than twice its width and area of the rectangle is 42 yards ^2, find the dimensions

asked by Brian on November 19, 2012
65. ## trigonometry

find all degrees solutions to the following equation: sin (A + 50 degrees)=1/square root 2

asked by maria on December 5, 2010
66. ## Math

Let sin A = 12/13 with 90º≤A≤180º and tan B = -4/3 with 270º≤B≤360º. Find tan (A + B).

asked by Molly on October 15, 2014
67. ## Math Question

Given tan θ = -8/5 and sin θ < 0, find sin θ, cos θ, csc θ, sec θ, and cot θ.

asked by Paul on December 14, 2014
68. ## Calculus

Find the revenue function R(x) when P(x) is P9x)= 50- 0.002x I am getting 50x -0.002x^2 can anyone check, thanks.

asked by Math-check on April 14, 2012
69. ## math

he area of a triangle with base b and height h is given by A=1/2 bh. find the area when b =15 (meter) and h= 40m

asked by Anonymous on July 29, 2010
70. ## math

To find 304 - 126, Jill regrouped 30 tens 4 ones as 29 tens 44 ones. What did she do wrong?

asked by Deja on January 15, 2009
71. ## math- Trigonometry

If cos degree equals to 0.8641 What is Sin degree? I have no idea how to find this. Please help me. Thank you

asked by Simran on November 4, 2016
72. ## Calculus

I'm having a little trouble with this problem...it would be great if you could point out where I'm going wrong. Hours of Daylight as a Function of Latitude. Let S(x) be the number of sunlight hours on a cloudless June 21st, as a function of latitude, x,

asked by Sara on November 12, 2010
73. ## geometry

A train in the mountains rises 10ft for every 250ft it moves along the track. Find the elevation of the track.

asked by joshua on March 25, 2015
74. ## MATHS

two sides of a rectangle are 20cm and 10cm. They are increased in the ratio 2:3 and 3:7. Find the percentage increased in its area?

asked by ASDFG on July 19, 2012
75. ## Math Calc

Given a right triangle ABC with a=13 and b=26, find the value of angle A, angle B, and side length c. Round to the nearest thousandth.

asked by Johnny on November 2, 2014
76. ## geometry

The perimeter of a square garden is to be atleast 30 feet but not more than 64 feet. Find all possible values for the lenght of its sides.

asked by luli on June 30, 2011
77. ## STATISTICS

Find the sample standard deviation s for the following sample data. Round your answer to the nearest hundredth. x: 23 20 11 33 27

asked by Jake on June 3, 2010

Trying to figure out how to find the answer. A rectangular has a perimeter of 3600m. What is the width if the length is five times the width? How do I do this.

asked by Ricky on February 2, 2015
79. ## physics

a ball is thrown vertically upward with an initial velocity of 20 m/s? find the height attain by the ball?

asked by shubhum on September 19, 2014
80. ## Calculus

F(x)=(2x-1)/ (|x| -3) Rewrite f(x) as a piecewise function. Then find the limit as it approaches positive infinity and negative infinity.

asked by Anonymous on August 23, 2015
81. ## Calculus

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x^2 x=y^2 about the axis x=–5

asked by Anonymous on April 29, 2009
82. ## calculus

Find an equation of the tangent line to the graph at the given point. (The graph is called a Witch of Agnesi.) f(x)= 7 / x^2 + 3 (2,1)

asked by wanda on September 24, 2017
83. ## maths

in a school there are 3050children .if a square formation is to be made , find the number of students left out of the square ?

asked by rouble on June 2, 2012
84. ## Math (triangles)

Given b=48, A=36 degrees find the remaining parts of the right triangle. a= a)51 b)35 c)66 d)29 and c= a)35 b)26 c)82 d)59 This one I'm lost on! a = b tan A = 34.8 (round it off to 35) c = b/cos A = 59.3 (round it off to 59)

asked by melinda on March 9, 2007
85. ## Statistics

Graduation rate for students in a program is 80%. If 10 students from it are selected at random, find the probability that AT LEAST 8 of them graduated.

asked by Janelle on October 21, 2014
86. ## maths

In the equation (he)^2 = she the letters represent digits.Find replacements for the letters to make the statement true.

asked by Noah Sithole on July 16, 2014
87. ## chemistry

150ml of a gas at 27C is heated to 77C at a constant pressure.find the new volume of the gas.

asked by unknwn on October 29, 2012

c (circumference) c=pie d where d is the diameter. How do i find d to the nearest hundredth when c=39cm? and i have to solve the formula C=pie d for d.

asked by tito on October 14, 2008
89. ## Calculus

F(x)=(2x-1)/ (|x| -3) Rewrite f(x) as a piecewise function. Then find the limit as it approaches positive infinity and negative infinity.

asked by Anonymous on August 23, 2015
90. ## algebra 2

If someone can help me understand this question I'd appreciate it. Solve the following equation. Its a 3x3 matrix that = x^2 first row is 0 0 -1, second row 3 x 0, 2 0 3. Im not quite sure how to find x so i can figure out what x^2 is.

asked by Janet on August 17, 2015
91. ## chemistry

150ml of a gas at 27C is heated to 77C at a constant pressure.find the new volume of the gas.

asked by unknwn on October 29, 2012
92. ## mathmetic

if 4th power of pojetive real number 3.215 find the number,also veriphy your answer.

asked by ganesh patil on August 21, 2015
93. ## Complex Numbers

The system of equations |z - 2 - 2i| = \sqrt{23}, |z - 8 - 5i| = \sqrt{38} has two solutions z1 and z2 in complex numbers. Find (z1 + z2)/2. Im really just plain old confused. Could anyone help me out?

94. ## math

Samuel is 1/2 as old as his brother. In seven years, he will be 2/3 as old as his brother will be. Find their present ages. Show each step of your work.

asked by Hawk Cleary on May 29, 2015
95. ## Chemistry

How do I find the pH of pure neutral H2O at o degrees celsius by using standard enthalpies and standard entropies

asked by Tanya on April 21, 2011
96. ## Numerical Analysis

Find the parabolically terminated cubic spline through the data ppoints (0,1),(1,1)(2,1)(3,1),(4,1). Is this spline also not-a-Knot? natural?

asked by Ashley on September 29, 2014
97. ## math help!!!!

4. Ernesto loses 14.5 pounds in 7 months. Now he weighs 156.5 pounds. Which equation can be used to find how much he weighed before?

asked by Jman on November 20, 2012
98. ## english

I have to find the correct article that goes in the sentence. 1.)Usually ___ strange bird is a timid animal. Article- the.

asked by Martha on January 6, 2015
99. ## math

Given the coordinates of the vertices of a quadrilateral, determine whether it is a square, a rectangle or a parallelogram. Then find the area of the quadrilateral. E(–7, –1), F(2, –1), G(–4, –8), H(5, –8)

asked by Jonathan on April 4, 2018
100. ## Algebra

The length of a rectangle is one unit more than its width. If the area is 30 square units, find the dimensions of the rectangle.

asked by Anonymous on August 22, 2012