# 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 604
1. ## local min

f(x) = x^4 + ax^2 What is a if f(x) has a local minimum at x=5. How do I justify the answer. The first derivative has to be zero at x = 5. You then check what the second derivative is at x = 5. If it is positive then that's ok. In this case you find that a

asked by Jen on November 19, 2006
2. ## Mathematics

Find the equation for a line in slope –point form for the following: A line that has an x-intercept of – 4 and is perpendicular to the line defined by the ￼equation y = 52 x + 4

asked by Kelly Brians on July 18, 2015
3. ## math

A train 100m long travelling at 72 km/h overtakes another train travelling in the same direction at 54sec. Find the length of the second train

asked by Anonymous on September 26, 2014
4. ## precalc

Suppose that u=log(2) and v=log(5). Find possible formulas for the following expressions in terms of u and/or v. Your answers should NOT involve any log's. a) log(0.4)= b) log(0.08)= c) log(2500)=

asked by bob on March 27, 2017
5. ## maths

A rectangular room is 2m longer than it is wide.if the width of the room is wm, express its length in terms of w.hence find the width of the room

asked by Angel chisuse on April 11, 2016
6. ## Algebra 2

five chips numbered 1 through 5 are placed in a bag. A chip is drawn and replaced. Then a second chip is drawn. Find the probability that the first chip is even and the other one is odd.

asked by Jess on May 30, 2012
7. ## Maths probability

You get to throw a die. If you roll a 3, you win \$6. If you roll a 1 or a 5, you win \$3. If you roll an even number, you lose \$6. Find your expectation for this game.

asked by louis on April 15, 2008
8. ## Geometry

a belt is wrapped tightly around circle O and forms a right angle at P, outside the circle. find the length of the belt if circle O has a radius of 8.

asked by Anonymous on May 1, 2013
9. ## Question

Is there any good (verY) summer art programs for good artist and summer writing program for good writers. I can't seem to find any.

asked by Lauren on December 20, 2011
10. ## math

the perimeter of two square are 848cm and 436cm find the perimeter of square whose area is equal to the sum of areas of two square.

asked by abhilasha on November 1, 2016
11. ## math

A rectangular closet is three feet longer than twice the width. The area of the closet is 65 square feet. Find the perimeter of the closet.

asked by jack on March 28, 2017
12. ## algabra 2

One side of a triangle is 4 cm longer than the shortest side and 2 cm shorter than the longest side. The perimeter is 38 cm. Find the dimensions of the triangle.

asked by Lily on October 3, 2010
13. ## Physics

A 6 kg block moves at 5 m/s to the right while a 9.5 kg block moves at 8 m/s to the right. Find the total kinetic energy of the two-block system. Answer in units of J

asked by Amber on March 31, 2012
14. ## Math 3

Find the inverse of the function f(x) = 5 – e^(x-1). Determine the domain, range, and asymptotes of the function and its inverse function. Please show all of your work.

asked by Allison - Carson on June 9, 2011
15. ## AP Statistics (math)

Find a set of numbers that will satisfy the following conditions: - the median of a set of 20 numbers is 24. - the range is 42. - to the nearest whole number the mean is 24. - no more than three numbers are the same.

asked by Ariellen on August 27, 2010
16. ## Chemistry

You find a compound composed only of element x and hydrogen,and know that it is 91.33% element x by mass. Each molecule has 2.67 times as many H atoms as x atoms. What is element x ?

asked by Andrew22 on April 22, 2010
17. ## Maths

The triangle is called ABC. Angle B has an angle of 90 degrees. The length of AB is 15mm and the length of BC is 16mm. Find the length of AC

asked by Melissa on February 17, 2016
18. ## physical science

If the mass of a material is 99 grams and the volume of the material is 22 cm3, what would the density of the material be? (in g/cm3) i don't know how to find the answer.

asked by laure on December 16, 2016
19. ## Math

a square painting is surrounded by a 2.5cm frame. if the total are of the painting plus frame is 3600 sq cm, find the dimensions of the painting.

asked by Maui on July 11, 2012
20. ## Geometry

a belt is wrapped tightly around circle O and forms a right angle at P, outside the circle. find the length of the belt if circle O has a radius of 8.

asked by Anonymous on May 1, 2013
21. ## MATH

IN A PHYSICS EXPERIMENT,THE DISTANCE OF X AND Y CM HAS A CONNECTION TO EACH OTHER BY 1/X + 1/Y = 1/5.IF THE DISTANCE OF Y IS INCREASING AT THE RATE 16 CMS^(-1),FIND THE RATE OF CHANGE OF THE DISTANCE OF X WHEN Y=9 CM.

asked by SYAZ on May 5, 2013
22. ## maths-probability

You get to throw a die. If you roll a 3, you win \$6. If you roll a 1 or a 5, you win \$3. If you roll an even number, you lose \$6. Find your expectation for this game.

asked by louis on April 16, 2008
23. ## algebra

For the given functions f and g, find the following and state the domain of each result f(x)=sqrtx;g(x)=3x-2 a) (f times g)(x)=___ What is the domain of f times g? b) (f/g)(x)=____ what is the domain of f/g?

asked by sharday on May 27, 2013
24. ## Geometry

a belt is wrapped tightly around circle O and forms a right angle at P, outside the circle. find the length of the belt if circle O has a radius of 8.

asked by Anonymous on May 1, 2013
25. ## Linear Algebra

a)Let v be a fixed vector in R^3. Show that the transformation defined by T(u)=vxu is a linear transformation. b)Find the range of this linear transformation. Thanx

asked by Rom on March 11, 2007
26. ## Trig

Given: sin x = 4/5, 0 < x < π/2 sin y = 5/13, π/2 < y < π Find the exact value of sin(x + y) I presume I'm supposed to use the sum and difference formulas but I'm not sure how to get the exactly value of cos x or cos y

asked by R on January 4, 2017
27. ## Calculus

Find the following limits algebraically or explain why they don’t exist. lim x->0 sin5x/2x lim x->0 1-cosx/x lim x->7 |x-7|/x-7 lim x->7 (/x+2)-3/x-7 lim h->0 (2+h)^3-8/h lim t->0 1/t - 1/t^2+t

asked by angie on March 15, 2012
28. ## Algebra

One number is 4 more than 3 times another. Four times the larger decreased by 5 times the smaller is equal to the smaller subtracted from 32. Find the numbers.

asked by Rosanna on October 8, 2015
29. ## physics

the temperature of a body falls from 30C to 20C in 5 minutes. The air temperature is 13C. Find the temperature after a further 5 minutes.

asked by frank fred on April 16, 2012
30. ## algebra 2

the height of a box is 6 inches. the length is three inches more than the width. find the width if the volume is 240 cubic inches

asked by amanda on March 18, 2012
31. ## algebra

For the given functions f and g, find the following and state the domain of each result f(x)=sqrtx;g(x)=3x-2 a) (f times g)(x)=___ What is the domain of f times g? b) (f/g)(x)=____ what is the domain of f/g?

asked by sharday on May 27, 2013
32. ## maths

A box 48 cm by 48 cm by 36 cm high is made of wood .5 cm thick. If the box has no lid, find the volume of wood used in making the box.

asked by Anonymous on November 7, 2015
33. ## math

The area of a rectangular piece of fencing is represented by the equation w(4w+4)=3, where w is the width of fencing in yards. Find the width of the fencing.

asked by stan on April 26, 2012
34. ## Math

Line DF bisects angle EDG. Find the value of x. Line EF has 9x+114. Line FO has 15x. angle FDG has 32 degrees.

asked by Sierra on March 10, 2014
35. ## physics

A runner’s velocity along a straight track is 3.2 m/s at time 8.0 s and 2.2 m/s at time 11 s. Find the runner’s average acceleration during this time interval.

asked by Michelle on September 23, 2011
36. ## College/Career Math

You choose a tile at random from a bag containing 5 tiles with A, 9 tiles with B, and 4 tiles with C. You pick a second tile without replacing the first. Find each probability. P (A then C) P (C then B)

asked by Bethanie on October 14, 2015
37. ## Math

Find the perimeter of each rectangle or square. s=sides s=34 I think the shape is the square cause the square has all even sides so 34x4=136 Is this correct?

asked by Connor on January 17, 2012
38. ## Math

An equation can be used to find the height of a child. Equation is h=2c. The child is 36 inches at 18 months. (12in=1ft) How tall is the child?

39. ## Maths

A regular polygon has an interior angle which less than ten times its exterior angle by 84°.Find the sum of all its interior angle?

asked by Mahinda on November 2, 2016
40. ## physics

A 5.4-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.7 m/s2, find the force exerted by the rope on the bucket.

asked by lisa on February 18, 2016
41. ## Math Problem

the side of a square are lengthened by 6cm the area becomes 121cm 2 square find the lenght of a side of the original square.

asked by Lavern on March 29, 2012
42. ## Math

The length of a rectangular garden is 4 yards more than its width. The area of the garden is 60 square yards. Find the dimensions of the garden.

asked by Tom on May 23, 2018

Given the following: vector u= [-2,-1,2] and vector v=[1,-1,-4] and vector w= [4,3,-2] find: a)theta, the angle between vectors, u and w. b)Are the vectors, u, v, and w coplanar?Show your answer algebraically.

asked by Tina on October 24, 2014
44. ## maths

the ratio of milk to water in a container is 5:1 by volume.if the total volume of the mixture is 9 liters,find the volume of water in it.

asked by asma on November 28, 2015
45. ## MATH

Triangle XYZ below is an isosceles triangle with legs and . and are perpendicular bisectors of triangle XYZ. Find the length of segment if QR = ½ x and QS = - ½ x + 4.

asked by JAMES on June 4, 2010
46. ## College Algebra

OOPS I got the zeros wrong in the last post...please show work. Find a polynomial of the specified degree that has the given zeros Degree 4: zeros -2,0,2,4

asked by Ashley on April 26, 2010
47. ## statistics

In a certain college, 55% of the students are women. Suppose, we take a sample of two students. Use a probability tree to find the probability that at least one of the two students is a woman.

asked by Sam on September 18, 2011
48. ## math

amos has 12 action , 15 comedy,. and 9 drama dvds, find the ratio of action dvds to the total number of dvds.

asked by Angel on September 15, 2014

Please check: 1.Find polar equation of x^2 + y^2 = 10y subbed r^2 for x^2 + y^2 and sin(theta sin for y =r^2=10sin(theta) 2. y=5 r=5/sin 3. x^2+y^2 =x^2 + y^2 =2x+3y

asked by Tonya on October 5, 2011
50. ## physics

vector A = a displacement of 20 m due east vector B = a displacement of 30 m north find the magnitude and direction of the vector sum a+b

asked by torrance on June 12, 2017
51. ## college math

I'm trying to find why the linear function f(-x)=x√x^2+2 is negative when it should be neither. why are √'s not negatives?!?!?! Is it because √x can't cross over the y axis because √x can't be negative? Then why is it that the x on the outside of

asked by Johnny on October 14, 2012
52. ## Geometry

Triangle XYZ below is an isosceles triangle with legs XY and ZY. QR and QS are perpendicular bisectors of triangle XYZ. Find the length of segment QR if QR = ½ x and QS = -½ x + 4.

asked by Julia on August 15, 2016
53. ## maths

by a reduction of 1kg in the price of sugar, mohan can buy one kg sugar more for Rs56 find the original price of sugar

asked by sasi on October 19, 2013
54. ## maths

in an election .there were only two candidates. the winner was polled 53% votes and won by 9600 votes. find the total no. of votes polled.

asked by tuhituhi on January 30, 2013
55. ## college, statistics

a math test has a mean of 43 and a standard deviation 0f 17.0. find the corresponding z scores for. show all work. I. a test score of 13 II. a test score of 59

asked by mary on October 11, 2010
56. ## PreCal

Find all real numbers x and y so I'm a bit confused with the y solution -2x-4+2yi=3x-2i 2yi=5x-2i+4 I know the answer is y = -5ix/2 - 2i - 1 so y = -1 But how do you go from 2yi = 5x - 2i + 4 to y = -5ix/2 - 2i - 1

asked by Terri on December 1, 2013
57. ## Math

3) Explain how the laws of exponents work with rational exponents and give at least one example of an expression containing rational exponents... Please help.. I can't find the answer to this anywhere..

asked by June on August 5, 2010
58. ## Math

The quantity sqrt(45)- 2sqrt(5) +sqrt(360/2) can be expressed as sqrt(N), where N is an integer. Find N. * the whole fraction 360/2 is squarerooted.

asked by Matt on December 5, 2014
59. ## College Algebra

Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=2x^3-x^2+2x-1

asked by Chama on March 27, 2013
60. ## math

2. the volume of a rectangular solid is 5376 cubic meters, and the base is 24 meters by 16 meters. find the height of the solid.

asked by Randy on January 8, 2012
61. ## Math

Your uncle has 36 coins in nickels and quarters. The value of his nickels is 1/15 of the value of his quarters. Find the number of nickels. Please show progress in answer.

asked by Anonymous on May 7, 2014
62. ## math

The length of a rectangular garden is 4 yards more than the width. The area of the garden is 60 square yards. Find the dimensions of the garden.

asked by LP on December 14, 2012
63. ## Chemistry

Consider the evaporation of methanol at 25.0 C: CH3OH(l)--->CH3OH(g) Delta G= 4.3 kJ Find Delta G at 25.0 C under the following nonstandard conditions: Pressure of CH3OH= 15.0 mmHg.

asked by Kyle on April 17, 2010
64. ## maths

A ladder leaning against a wall makes an angle 60 with the horizontal if the foot of the ladder is the 2.5m away from the wall find the length of the ladder

asked by priya on February 11, 2017
65. ## calculus

THe equation of motion of a particle is s = t^3 - 3t, where s is in meters and t is in seconds. Find (a) the velocity and acceleration as functions of t (b) the acceleration after 2 s, and (c) the acceleration when the velocity is 0

asked by Frank on October 14, 2008
66. ## math

find the interest paid on a loan \$2,200 for three years at a simple interest rate of 9% per year what is the interest on the loan

asked by A on May 16, 2015
67. ## Geometery i need help

A rubber band is use to tie 9 oranges of diameter 8mm.if the band just touches 8 oranges .find the lenght of the band??

asked by Collins on October 10, 2015
68. ## chemistry

H3PO4 reagent solution in a lab is 85%pure.specific gravity of H3PO4 solution is 1.69.find out the normality of H3PO4.

asked by mona dutta on July 23, 2012
69. ## Chemistry

I have the mass of one element and the moles of a compound, How do I find the mass of it'd Product? [Zn + 2HCl = ZnCl2 + H2] (Slove for mass of ZnCl2)

asked by Derrick on November 19, 2015
70. ## Physics

A 2.7 kg bucket of water is raised upwards by a rope. If the bucket has an acceleration of 3.4 m/s/s, find the force exerted by the rope on the bucket.

asked by Emma on October 12, 2012
71. ## Physics

A runner’s velocity along a straight track is 3.2 m/s at time 5.0 s and 2.2 m/s at time 13 s. Find the runner’s average acceleration during this time interval.

asked by Maria on October 20, 2010
72. ## algebra

A coin is tossed 3 times. Find the probability of obtaining the following: a) heads on the first and last toss, and tails on the other toss b) at least 2 heads c) at most 2 heads

asked by Eliza on July 7, 2013
73. ## statistics

a math test has a mean of 43 and a standard deviation of 17.0. find the corresponding z scores for a test score of 13 and a test score of 59. show all work.

asked by mary on October 11, 2010
74. ## Math

The length of a rectangular garden is 4 yards more than the width. The area of the garden is 60 square yards. Find the dimensions of the garden.

asked by LP on December 17, 2012
75. ## Math

A particle moves in a linear motion according to: s = 10 - 6t2. Find the acceleration of the particle at t = 4s. acceleration in m/s2 = My Answer s'= 0-12t s"= -12 acceleration in m/s2 = -12

asked by Brownie on January 29, 2013
76. ## Algebra

I have to find the equation for the line that passes through (4,3) and (6,2) How would I solve this. Into point slope form Into slope intercept form I got the slope each is -1/2 then I got y=-1/2x + b How would I get b?

asked by Amy~ on August 31, 2010
77. ## pre-algebra

A football team gained 4 yd, lost 2 yd, gained 11yd, lost 8 yd, and then lost 9 yd. Find the net gain or loss.

asked by emily on September 16, 2012
78. ## MATHS-traingles

one of the exterior angles of a triangle is 126 degree and the interior opposite angles are in the ratio 2:4. Find the angles of the triangle.

asked by anchal on March 2, 2013
79. ## statistics

Q- Two samples of sizes 8 and 10 are drawn from two normally distributed population having variance 20 and 36 respectively. Find the probability that the variance of the first sample is more than twice the variance of the second sample.

asked by Vivaan on January 2, 2016
80. ## physics

A 2 kg particle has a velocity of (2i-3j) m/s and a 3kg particle has a velocity of (1i+6j)m/s.Find (a) the velocity of the center of mass(b) the total momentum of the system

asked by TIshatilova on June 26, 2011
81. ## Algebra

Find an angle with a positive measure and an angle negative measure that are coterminal with each angle. 1. 370 degrees 2. -3π /4 3. 5 π/2 pi sign = π

asked by Ann on April 14, 2015
82. ## Algebra II

Find sec theta if tan theta =1/4 and 180 degrees

asked by Lucy on April 19, 2008
83. ## Maths

in a fraction the numerator exceeds 3 denominator, find the village knowing that decreasing 6 both terms of the fraction you get a new fraction that exceeds 9/20

asked by Waqar on November 21, 2016
84. ## Algebra

Solve One boat travels 10km/h faster than another. Which one boat travels 120 km, the other travels 155 km. Find their speeds.

asked by Marta on April 27, 2010
85. ## Calculus

Find the exact value of cot(arcsin(12/13)) and cos(arcsin(1.7/2)) I know that cos(arcsin(x))=sin(arccos(x))=sqrt(1-x^2). I'm having more difficulty with the first one. Please help! Thank you

asked by Emily on April 1, 2016
86. ## math

Find the product of (2a + 3b)(2a − 3b). A. 4a2 − 6b2 B. 2a2 − 3b2 C. 4a2 + 12ab − 9b2 D. 4a2 − 9b2 plz help

asked by jill on May 14, 2015
87. ## math

If a circle is circumscribing triangle xyz,find the radius of the triangle. Calculate the area inside the circle but outside the triangle

asked by Anonymous on November 22, 2016
88. ## math

495 Find three coterminal angles: ____________ ____________ ____________ Standard position angle: Reference angle:

asked by Kels on January 29, 2013
89. ## maths

if the denominator of fraction is 6 more thanthe numerator if the numretor is increased by 1 and denominator is decreased by 2 new fraction becums 3/4 find the fraction

asked by mona on March 12, 2016
90. ## Physics

An empty SG bottle weights 25 g.When filled with water completely it weights 55 g and with alcohol it weights 48 g. Find the RD of alcohol A numerical

asked by . on November 18, 2016
91. ## math

how do you find a line perpendicular to another if the given line is in standard form, Ax+By=c? also, i need some help finding a line perpendicular to y=3 and crosses the points (2,4). help plz?

asked by moe on December 12, 2009
92. ## Math

One number is 10 less than a second number. Find a pair of such number that their product is as small as possible. These two numbers are ____ The smallest product is_____

asked by George Carl on February 27, 2018
93. ## Algebra

The numerator of a certain fraction is 3 times the denominator. If the numerator is decreased by 1 and the denomenator is increased by 2, the value of the resulting fraction is 5/2. Find the fraction.

asked by Brandon on August 11, 2011
94. ## chemistry

The concentration of vinegar was obtained by titration. 20 ml of vinegar required 43.2 ml of 0.350 M sodium hydroxide. Find the concentration of vinegar

asked by luther on July 15, 2014
95. ## Math

A cross-section of a sphere, which is 6 units from the center of the sphere, has a circumference of 8π units. Find the surface area of the sphere.

asked by Michelle on May 26, 2016
96. ## data

I am looking for the school report each year regarding school violence and vandalism? I can not find this information on the internet, can you help me? Missouri school report.

asked by sam on November 24, 2014
97. ## physical chemistry

find the ph of the solution that results from the addition of 25ml of 0.1mol/l NaOH solution to 50ml of 0.1mol/l HCL solution?

asked by noel on April 26, 2011
98. ## math

An 8 ounce bottle of hairspray costs \$3.66. Find the unit price in cents per ounce. would it be 0.4575 or 45.75 cents per ounce?

asked by m on November 9, 2010
99. ## math

If 1/3 of a family is female children and 1/2 of a family is male children Including the parents how do I find the number of people in the family?

asked by Janice on February 1, 2010
100. ## math

cosA= 5/9 find cos1/2A are you familiar with the half-angle formulas? the one I would use here is cos A = 2cos^2 (1/2)A - 1 5/9 + 1 =2cos^2 (1/2)A 14/9 =2cos^2 (1/2)A cos (1/2)A = √(7)/3

asked by Anonymous on May 3, 2007