# 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 565
1. ## math

21.Faith solves the equation 3(7x+4)=21x+4. How many solutions does she find? A. Infinitely many solutions B. 2 solutions C. 1 solution D. 0 solutions

asked by Max on February 15, 2015
2. ## math

A coin is tossed and then a die is rolled. Find the probability of getting a 5 on the die given that the coin landed tails up.

asked by allen on December 13, 2009
3. ## Math

the diagonals of a rhombus are in the ratio 3:4. if its perimeter is 40cm then find the length of the sides and diagonals of the rhombus

asked by Sneha on June 4, 2017
4. ## Math

Nikko knows that 20 percent of a number 56. To find the number, she uses the equation 56= 2over5x.Is Nikko correct. Explain.

asked by Victoria on April 14, 2014
5. ## Calculus

Graph the curve. Find the exact length of the curve. x = 2et cos(t), y = 2et sin(t), 0 ≤ t ≤ π

asked by Kaitlyn on January 19, 2016
6. ## geometry

Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement. ~[(~q V p)^ ~r]

asked by yolanda on August 22, 2011
7. ## Geometry

Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement. ~[(~q V p)^ ~r] this is the ?

asked by yolanda on August 22, 2011
8. ## earth science

air pollution in pennsylvania causes ______ in new england because the wind blows the pollution into new England. can someone please help, I cant find this anywhere.

asked by Elena on December 30, 2014
9. ## geometry

how do you find the speed of the plane 130 miles per hour, cross wind 20 miles hour

asked by brian on December 27, 2014
10. ## Calculus

A car drives down a road in such a way that its velocity ( in m/s) at time t (seconds) is v(t)=3(t^(1/2))+4. Find the car's average velocity (in m/s) between t=4 and t=6.

asked by <3 on January 27, 2010
11. ## geometry

A board that is 19 feet long must be cut into two pieces that have lengths in a ratio of 3 to 2. Find the lengths of the two pieces.

asked by Anonymous on June 7, 2010
12. ## Calculus

Find the velocity and position vectors of a particle that has the given acceleration and the given initial velocity and position. a(t) = 2 i + 6t j + 12t2 k, v(0) = i, r(0) = 2 j − 7 k

asked by Anon on September 12, 2016
13. ## Math

Find the quadratic function that has the indicated vertex and whose graph passes through the given point. Vertex: (2,3) Point: (0,2) I do not know how to do this! Please explain!! Thank You

asked by Abbey on March 21, 2010
14. ## trig

a plane is 50000 ft in the air and 30000 ft from an airport find the angle of depression from the plane to the airport

asked by baylee on April 9, 2014
15. ## Math

Find the quadratic function that has the indicated vertex and whose graph passes through the given point. Vertex: (2,3) Point: (0,2) I do not know how to do this! Please explain!! Thank You

asked by Abbey on March 21, 2010
16. ## Physics

The density of a gas at s.t.p is 1.3kg/m3. Find the density of the gas at -15 degree celcius and at a pressure of 8cmHg.

asked by Esther on January 30, 2013
17. ## Calculus

A car drives down a road in such a way that its velocity (in m/s) at time t (seconds) is v(t)=3(t^(1/2))+4. Find the car's average velocity (in m/s) between t=4 and t=6.

asked by <3 on January 28, 2010
18. ## Math

3/5 of the animals on a form are goats and the rest are sheep. Find the number of goats if there are 32 sheep on the farm.

asked by Saba on June 13, 2017
19. ## Trig

Find three additional polar representation of the point (-3, pie over 6) given in polar coordinates,using -2 pie

asked by Sasha on May 20, 2010
20. ## Math

If the ratio of a base angle and vertical angle of an isosceles triangle is 1:2 find the angles of the triangle

asked by Niken on March 19, 2016
21. ## College Algebra

A nut moves 5/64 inches for each turn Find the number of turns is will take for the nut to move 1 7/8 inches.

22. ## maths

area of field is 0.5 hecture. if this rectangular field one side is 125 metre. than the find of second side?

23. ## math

The length of a rectangle is four more than five times its width. Its perimeter is 92 inches. Find its dimensions​ length and​ width.

asked by Mark on March 9, 2016
24. ## 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
25. ## physics

The force exerted by two identical point charges on each other is 0.21 N. (a) Find the magnitude of the charge on each point charges.

asked by electric charge and electric field on August 19, 2016
26. ## Math

A quantity c partly varies as n and partly varies as the square of n. when c=22, n=2 and when c=115, n=5. find the: (i)equation connecting c and n.

asked by BWAMBALE ISAAC on September 28, 2018
27. ## Geometry

Find the area of the regular polygon with the given radius. Radius: 6cm. Area= apothem x perimeter/ 2

asked by Ashley on March 19, 2012
28. ## 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
29. ## Math

Find the imaginary part of (cos12 degrees +i*sin12 degrees +cos48 degrees +isin48 degrees)^6.

asked by Bob on August 23, 2016
30. ## maths

given the curve y=2x/(1+x^2)^2 (a) prove that dy/dx =2(1-x^2)/(1+x^2)^2 (b) find the coordinates of the stationary points and state the nature of the stationary points.

asked by mumbula on October 6, 2013
31. ## 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
32. ## 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

find the equation of the line L that passes through the point (-2,4) and satisfies the given condition. L passes thrugh the point (3,7/2)

asked by Jaycee on February 1, 2010
34. ## geometry

The diagonals of rhombus FGHJ intersect at point K. If side GH is equal to 3x - 10 and side JH is equal to 6x - 19, find x.

asked by tom on July 14, 2011
35. ## geometry

A board that is 12 feet long must be cut into 2 pieces that have lengths in a ratio of 3 to 2. Find the lengths of the two pieces.

asked by shannon on February 27, 2011
36. ## Algabra

Three times one number added to two times another give 34. The sum of the two number is 13 .find the numbers? Solutions

asked by Hamdi on August 14, 2016
37. ## Algebra

The parametric equations for a line L1 are as follows: x = −1−2t y = 4+4t z = 3−2t Let L2 be the line parallel to L1 and passing through the point (2, 5, −3). Find the point P on L2 whose x-coordinate is −3. P = (−3, 0, 0)

asked by dan on September 25, 2018
38. ## linear algebra

Let L1 be the line passing through the points Q1=(3, −3, 4) and Q2=(−3, 6, 7). Find a value of k so the line L2 passing through the point P1 = P1(−6, 11, k) with direction vector →d=[1, −1, −2]T intersects with L1. Not sure how to go on..

asked by dan on September 25, 2018
39. ## Intermediate College Algebra

The larger of two numbers is ten more than twice the smaller number. The sum of the numbers is forty. Find each number.

asked by Alecia on February 1, 2015
40. ## 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
41. ## Geometry

the side of a regular hexagon is twice the square root of its apothem. find the apothem and side length.

asked by Sofia on January 12, 2011
42. ## math

Find the expected value, ì, for the sum of two fair dice. The probability distribution for the sum of two dice is given in the table. ì = 1 2=1/36, 3=2/36, 4=3/36, 5=4/36, 6=5/36, 7=6/36, 8=5/36, 9=4/36, 10=3/36, 11=2/36, 12=1/36

asked by Anonymous on October 9, 2010
43. ## Chemistry! Urgent!!

0.080 m FeCl3 find the boiling point it. so i did ( 0.080)(.51)(4)+100 and i got 100.16 whyy is that wrong?

asked by Howie on December 1, 2008
44. ## Math-geometry

Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement. ~[(~p ^ q) ^ r]

asked by Jen on July 12, 2011
45. ## physics

A charge of 2.1 nC and a charge of 4.7 nC are separated by 57.90 cm. Find the equilibrium position for a -4.7 nC charge. _______________cm from the 2.1 nC charge. i know you have to use coulomb's law but how can i use it

asked by jared on April 10, 2012
46. ## science

If u use 4 g of calcium carbonate in excess acid,instead of 2 g.They find that the rate of the reaction increases.why the rate increases?

asked by Nonhlanganiso on July 13, 2011
47. ## Algebra Word Problem

A rectangle's length is 8 cm more than three times it's width. If the perimeter is 128 cm, find the length and width. What is the equation for this?

asked by Matthew on November 5, 2007
48. ## Math

there is a path 7 meter wide outside around the square playground of side 60 meter each. find the area of the path...........?

asked by J.B. on December 11, 2011
49. ## trig

find an expression equivalent to sec theta sin theta cot theta csc theta

asked by Anonymous on December 8, 2011
50. ## Math

f(t)=A[u(t)-u(t-10)], where u(t) is the unit step function. Is the energy of this signal finite? Why or why not? If it exists, find the energy of this signal.

asked by Matthew on September 8, 2010
51. ## Math/Science

Rearrange the equation to isolate the r. (what is the equation to find the radius?) C=2piR Circumfrence= 2(pie)(radius)

asked by connor on November 25, 2008
52. ## Physics

A force F = (5i − 4j) N acts on a particle that undergoes a displacement Δr = (5i+j)m . (a) Find the work done by the force on the particle. (b) What is the angle between F and Δr?

asked by Abraham on October 6, 2012
53. ## physics

A charge of 2.1 nC and a charge of 4.7 nC are separated by 57.90 cm. Find the equilibrium position for a -4.7 nC charge. ____ cm from the 2.1 nC charge. what is the answer? and how did you get it? thaanks

asked by brittney on April 11, 2012
54. ## calculus

Let F(s)=5s2+1s+4. Find a value of d greater than 0 such that the average rate of change of F(s)from 0 to d equals the instantaneous rate of change of F(s)at s=1.

asked by t on February 1, 2010
55. ## Math Algebra

A 2 digit number is increased by 36 when the digits are reversed. The sum of the digits is 10. Find the original number.

asked by Anonymous on September 2, 2016
56. ## Math

Write the decimal equivalent, using the bar notation. 13/18 b) Find the decimal equivalent of the mixed number. 6 3/5

asked by Anonymous on November 1, 2009
57. ## Chemistry

Find the initial concentration of NO2 if the concentration after 2.00 min is 0.113. k = 0.331 1/(M * s) 2 NO2 (g) + N2 (g) --> 2 N2O (g) + O2 (g)

asked by Anna on February 10, 2013

Write an equation you can use to find the length of the rectangle. area=72 m^2. 8m=length xm=width My equation is 8x=72 Am I correct?

asked by Stephanie on January 15, 2015
59. ## math

The length of a rectangle is three less than three times the width. The area is 90ft^2. Find the width and the length of the retangle.

asked by Karina on April 10, 2011
60. ## Geometry

Find the area of the regular polygon with the given radius. The radius of the square is 6 cm. area= apothem x perimeter/ 2

asked by Anonymous on March 19, 2012
61. ## 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
62. ## math

Find the expected value, u, for the sum of two fair dice. The probability distribution for the sum of two dice is given in the table. u = 1 2=1/36, 3=2/36, 4=3/36, 5=4/36, 6=5/36, 7=6/36, 8=5/36, 9=4/36, 10=3/36, 11=2/36, 12=1/36

asked by Anonymous on October 10, 2010
63. ## algebra

The length of a rectangle is 5ft less than twice its width. The area of the rectanle is 75ft^2. Find the length of the rectangle

asked by Renee on April 11, 2011
64. ## Geometry

Find the area of the regular polygon with the given radius. The radius of the square is 6 cm. area= apothem x perimeter/ 2

asked by Anonymous on March 19, 2012
65. ## math

A product of a two digit number is24 when the number is reverse exceed the original number by 27 find the number

asked by fatma on August 28, 2016
66. ## physics

A wire of nichrome of length 80cm has a resistance of 50 ohms. if the wire is four folded, find new resistance.

asked by vanditha on August 29, 2016
67. ## mathematics

age of zena will be twice the age of sele after 6 years.total number of their age is 42 now.find out the age of Sena now

asked by chidya sec school on July 12, 2015
68. ## 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
69. ## pre-calculus

information is given about the polynomial f(x) whose coefficients are real numbers. find the real zeros of f: degree 4; zeros: i, 3+i

asked by hawra on March 13, 2010
70. ## Geometry

Which equation can be used to find the unknow ange measures? The diagram is a triganle. A= x+30, B= 3x, and C = x-15 A 5x+15=90 B 5x+45-180 C 3x^3+15=180 D 5x+15=180 E 3x+30=180

asked by Haley on July 19, 2011
71. ## algebra

The length of a rectangle is two more than four times its width. Its perimeter is 54 inches. Find its dimensions​ length and​ width.

asked by Mark on March 9, 2016
72. ## algebra

a rectangle has a length of 17 inches more than twice its height. If the perimeter of a rectangle is 304 inches, find its dimensions.

asked by bill on September 15, 2012
73. ## math

find the ratio of the volume of a sphere with a radius of 10 meters to the volume of a cube with a side of 10 meters

asked by araceli on September 9, 2011
74. ## Pre-Cal(Urgent)

Find f X g , g X f , and f X f f(x) = 3sqrt x-1 g(x) = x^3 + 1 For f(x) the 3 is little above the sqrt sign. My answers were: f(g(x)) = 3sqrt x^3 + 1 -1 g(f(x)) = 3sqrt (x-1)^3 -1 f(f) = 3sqrt x-1-1 My teacher said these were wrong. Please help. I do not

asked by Hannah on March 29, 2010
75. ## maths-urgently needed

A line through through the point (3,0) meet the variable line y=tx at right angle at the point P. Find in terms of t, the co-ordinates of P

asked by Anonymous on January 15, 2013
76. ## 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
77. ## Pre-Cal

Find f X g , g X f , and f X f f(x) = 3sqrt x-1 g(x) = x^3 + 1 For f(x) the 3 is little above the sqrt sign. My answers were: f(g(x)) = 3sqrt x^3 + 1 -1 g(f(x)) = 3sqrt (x-1)^3 -1 f(f) = 3sqrt x-1-1 My teacher said these were wrong. Please help. I do not

asked by Hannah on March 29, 2010
78. ## Algebra 2

A single die is rolled. find the probability of rolling an even number or a number less than 5, what is the probability Please help me with this question!!

asked by Billy on April 25, 2017
79. ## Maths

The measure of an edge of a cube is 6.5cm. Find its surface area and lateral surface area?

asked by Tarunikka on October 13, 2016
80. ## physics

Before a collision, a 27 kg object is moving at +11 m/s. Find the impulse that acted on the object if, after the collision, it moved at the following velocities. a. 8 m/s b. -8m/s

81. ## Math

Two forces of magnitude 15N and 4root2N are acting in the directions 3i-4j and i+j respectively, find the magnitude of the resultant of the two forces.

asked by Liam on May 8, 2014
82. ## math

A letter is chosen at random from the word EXTRATERRESTRIAL. Find the probability of the given event. (a) The letter A is chosen.

asked by deen on November 24, 2014
83. ## math

two forces of magnitudes 7N and 9N act at an angle alpha such that sin alpha=0.4. Find the magnitudes of the two possible resultants

asked by georgina on May 8, 2014
84. ## math

Find the smallest positive integer not relatively prime to 2015 that has the same number of positive divisors as 2015.

asked by david on June 19, 2016
85. ## Math

The area of a rectangle is 189. The width is 2 meter longer than 1/3 the length. find the length and the width

asked by Anonymous on April 6, 2012
86. ## Physics

Abody is released from a height of 20m above the ground. Find it's height above the ground when it's velocity is 10m/s

asked by Yawe Akram on October 7, 2016
87. ## Science

Find the megnitude of 2 forces.such that if they act at triangular,there is resultant √10N . If act at 60° the resultant is √13N ?

asked by Jerin joz on June 24, 2016
88. ## 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
89. ## Linear Algebra

Find the basis for the following vector space. Please state the dimension of the vector space. S consists of all x in R3 such that x is orthogonal to n=(2,3,2)

asked by Simon on November 20, 2011
90. ## math

I need to find the A small b, C small b, slant height, and surface area of a cone. The height is 9.2 and radius is 5.6. Please help

asked by Hannah on May 16, 2013
91. ## geometry

Find the similarity ratio of a cube with a volume 512 m3 to a cube with volume 3,375 m3 how would you do this problem

asked by ryan on January 12, 2012
92. ## math URGENT!!

the midpoints of the sides of a triangle are (1,1),(4,3),and (3,5). find the area of the triangle. please answer and show how u did it step by step please!!!!

asked by dan on October 25, 2012
93. ## Pre-Cal

Find f X g , g X f , and f X f f(x) = 3sqrt x-1 g(x) = x^3 + 1 For f(x) the 3 is little above the sqrt sign. My answers were: f(g(x)) = 3sqrt x^3 + 1 -1 g(f(x)) = 3sqrt (x-1)^3 -1 f(f) = 3sqrt x-1-1 My teacher said these were wrong. Please help. I do not

asked by Hannah on March 29, 2010
94. ## Math

The area of the truss us 44 square feet. Find the height of the truss if the shorter base is the same as the height.

asked by Flo on May 1, 2017
95. ## Math

two rectangles are similar, If the length of the larger is 8 and the width is 5, find the width of the smaller rectangle if the length is 6

asked by Randee on January 14, 2016
96. ## math calc Lagrange

find points on surface z^2=xy+1 are closest to point (4,2,0) List points as comma-separated list.

asked by college on May 9, 2010
97. ## Math

For the three-letter set {R, S, T}, find the two-letter combinations. I realize that this deals with combinations and not permutations. I just do not understand how they want this done.

asked by BWB on May 8, 2010
98. ## pre-algebra

Use algebra tiles to find the difference. Let one white tile equal +1 and one black tile equal –1.

asked by nay nay on April 5, 2012
99. ## Maths

The difference between the compound interest and simple interest on a certain sum for 2 years at 6 % per annum is rs. 90. Find the sum.

asked by Sneha on October 17, 2016
100. ## math

Find the area of the rectangle. The top is 7x+1, and the right side is 8x. A.15x+1 B.56x^2+8x C.56x+8 D.15x^2+9x Is the answer B?? Please help

asked by Anono on May 13, 2015