# 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 537
1. ## Algebra

I don't understand how to do the folliwing problems. Find and simplify the difference quotient f(x+h) -f(x)/h, h cannot equal 0 for the given formula. 1. f(x)=5x^2 options: a. 5, b.5(2x+h), c. 10/h +x+5h, d. 5(2x^2+2xh+h^2)/h 2. f(x)=x^2+3x+9 options: a.

asked by Soly on September 1, 2007
2. ## statistics

A sales firm receives an average of four calls per hour on its toll-free number. For any given hour, find the probability that it will receive exactly eight calls

asked by Lindsay on August 3, 2011
3. ## physics

Someone is blowing over the top of a water bottle creating a noise. If the bottle is 0.3m tall and has 0.1m of water in it, find the following (assume the speed of sound is 340m/s)

asked by Anonymous on May 8, 2017
4. ## Physics

A baseball is thrown straight up on the Moon with an initial speed of 28 m/s. Find the time it takes for the baseball to reach the maximum height. On the moon g = 1.6 m/s2

asked by GraceW1 on September 8, 2015
5. ## Physics

You toss a quarter straight up. It takes about 2.6 seconds for it to land back on your hand at the same height you tossed it. Find the speed at which you tossed the quarter.

asked by GraceW1 on September 8, 2015
6. ## Chemistry

a 7.83g sample of hydrocyanic acid contains 0.290g and 4.06g of nitrogen. Find the mass of carbonin a sample of HCN with a mass of 3.37g.

asked by Anonymous on September 13, 2015
7. ## Chemistry

a 7.83g sample of hydrocyanic acid contains 0.290g and 4.06g of nitrogen. Find the mass of carbonin a sample of HCN with a mass of 3.37g.

asked by Jordan on September 13, 2015
8. ## statistics

For each combination of sample size and sample proportion, find the margin of error for the 95% confidence level. (a) n=100 and p-hat=.56 (b) n=400 and p-hat=.56

asked by Nicky on April 2, 2014
9. ## Intro to Statistics

Two cards are drawn at random from a standard 52-card deck of playing cards without replacement. Find the probability that the first card is a heart and the second is red.

asked by Terry on April 17, 2011
10. ## Math

A total of 130 children attended a basketball camp. Of these, fewer than 87 were girls. Which inequality can be used to find n, the number of boys that might have attended camp?

asked by Lisa on May 11, 2017
11. ## PHYSICS

A solid object has a weight of 13.62 N. When it is suspended from a scale and submerged in water, the scale reads 1.54 N. Find the density of the object (use pwater = 1000 kg/m3).

asked by Anonymous on October 2, 2018
12. ## Math

Need a little help. I was asked to find perimeter of a rectangle, which I did and got an answer of 66. Now I have to convert it to feet. That's where I'm stuck. What is the perimeter of the actual patio in feet? 2 cm=1ft P=2(12+21)=66cm

asked by Steve on February 20, 2018
13. ## algebra

The mean on a Advanced Algebra test was 78 with a standard deviation of 8. If the test scores are normal distributed, find the interval about the mean that contains 99.7% of the scores. Use the empirical rule.

asked by Katie on January 28, 2015
14. ## Accounting

I find a lot of definitions on the internet, but still confused. What is difference between -carrying value -book value -fair value -fair market value -market value -value in use -net realizable value Are some of these actually the same? Thanks.

asked by Sana on July 20, 2017
15. ## us history

How would you explain the sectional divide over the War of 1812? Why did the war find the most support in the southern and western states and territories and the least support in New England?

asked by rachelle on October 31, 2018
16. ## English

To look with admiration at someone or something is to ______ but to look at something very closely is to _____. If we seek to verify something, we are seeking to find out if what we heard _____. If you doubt someone's veracity, you doubt that he or she is

asked by Anonymous on April 5, 2014
17. ## science

*what are Required government, societal, and global support for air pollution. *Benefits and challenges of air pollution do you know any sites I can find these answers at?

asked by scooby9132002 on October 5, 2008
18. ## science

A body is projected vertically upwards from the ground such that its speed at half the maximum height is 20m/s. Find the maximum height attained by it.

asked by Vidya on September 23, 2015
19. ## Chemistry

Find the pH experimentaly .1 ml before and .1 ml after the equivalence point if the experimental equivalence point was found to be at 35 ml. In this titration, you are titrating 0.500 M NaOH with 0.250 M HCl.

asked by Andrew on May 2, 2010
20. ## Algebra

FRODO AND SAM are 17 miles apart and are walking towards each other they meet in 4hrs. find frodos rate if frodo walks 1mph faster than sam.

asked by Angie on September 17, 2015
21. ## Pre-Calculus/Calculus

I am too embarassed to ask this Calculus (really pre-calculus) question in tutoring, because I know I should know. Is the inverse of f(x)=3x-1 actually f(x)=1/3x+1? How do I find it? What if it asks the same equation replaced with f to the -1 power (x)? I

asked by Molly on July 1, 2008
22. ## Dynamics

A stone is projected in the air vertical upward with an initial velocity of 5m/s Find a) tr and tf b) H, highest distance has reached c) where is the stone has reached after t=5.0sec

asked by Jason on May 10, 2017
23. ## Algebra

Swimming space. The length of a rectangular swimming pool is 2x -1 meters, and the width is x + 2 meters. Write a polynomial a(x) that represents the area. Find A (5).

asked by takira on February 17, 2009
24. ## Geometry

The perimeter of triangle ABC is 29 meters. Line segment AD bisects angle A. Find AB and AC. CD=5cm, DB=4 cm.(triangle angle bisector theorem)

asked by Lily on December 28, 2011
25. ## physics

sledge of mass 80 kg moves over the frozen surface of a lake with a velocity of 30m/s and comes to rest in 5s. find frictional force between the lake and sledge

asked by hezal on September 3, 2014
26. ## Math

Use the law of cosines to solve ABC with A=126.3, b=45, and c=62.5 I did all the work to find a but my problem is finding B a=96.2 Sin(B)=45sin126.3/96.2 B=Sin^-1(45sin126.3/96.2) It's not going through in my calculator

asked by House on October 2, 2008
27. ## math

joyce and her father are 48 and 20 years younger than her grandfather.if the product of ages of joyce and her father is 480,find the equation which represents their age

asked by mizba on October 2, 2014
28. ## Maths

Mary wants to find the area of a rectangle 1/6 by 5/6 .How many unit squares with side length 1/6 yard would mary be able to use to title the rectangle?i got 106 is the correct

asked by Pinks on April 27, 2014
29. ## Trig

If sinx = 1/4 Find the exact value of cos2x I used the formula for double angle identities : cos2x = 1-2sin^2x and got the answer 1/2 The book says the answer is 7/8 How would they get to that conclusion?

asked by Don on December 27, 2011
30. ## chemistry

find mass of magnesium nitride produced in reaction of 5.0of magnesium with 10.0gof nitrogen. the reaction was carried out in a closed container

asked by Allison on March 10, 2015
31. ## math

Write the equation of a line that goes through (5,3) and (2,7) I found the slope of the line to be -4/3 Then, I substituted one of the points in for x and y to be: y = -4/3x + b 3 = -4/3(5) + b 3 = -20/3 + b 3 + 20/3 = b This is where I am stuck == do I

asked by Sami on March 26, 2018
32. ## math

is zero a multiple of every number? Find the prime factorization of the number, and write it in exponent form. 198 Compute the value of the given expression. _|8|_ |11-8| Evaluate the expression. -8x + 8y, for x = 8 and y = -1

asked by Anonymous on February 23, 2011
33. ## math

n points are arranged on a cirlce and all the chords drawn. Let I(n) be the number of intersection points inside the circle if no 3 chords are concurrent. Find a formula for I(n).

asked by Brenda on February 2, 2013
34. ## trip

for sin2x+cosx=0, use double-angle or half-angle formula to simplify the equation and then find all solutions of the equation in the interval (0,2Pie)

asked by bob on March 16, 2011
35. ## Math

Find the effective rate of interest (APR) for a loan with a loan amount of \$6,300, a time of 270 days, and interest of \$685.13. a. 14.5% b. 6.5% c. 9.3% d. 12.3%

asked by Matt on April 21, 2015
36. ## math 209

Swimming space. The length of a rectangular swimming pool is 2x  1 meters, and the width is x  2 meters. Write a polynomial A(x) that represents the area. Find A(5).

asked by jericia on June 22, 2009
37. ## Math word problem(algebra)

Carol is y years old&her daughter is 25 years younger.Find Carol's present age if the sum of their ages in 6years' time is 75years

asked by kimi on October 5, 2011
38. ## 7th grade

Does anyone know where I can find video clips of the blue planet ecspecially the part on the coral reef?It is related to the question about why is the coral reef an ecosystem?

asked by Peyton on January 7, 2009
39. ## Algebra 2

formula for converting celcius to fahrenheit: F=9/5C+32 a) what is the inverse of the function? b)use the inverse to find the celcius tempertature that corresponds to 25F Please help i have no idea how to solve this :(

asked by Belle on January 19, 2012
40. ## Precalc

1. If a bicycle wheel has a diameter of 27 inches, find the radian measure of the angle through which the wheel turns as the bicycle travels a distance of one mile. thanks!!

asked by Rebekah on January 9, 2013
41. ## chemistryyyy

(a) What is the pH of a 6.1 ✕ 10-5 M Ca(OH)2 solution? (b) What is the H3O+ concentration of the solution? I already know the answer to part A, I just don't understand how you could use that information to find the concentration of H30+ when its not in

asked by Ana on February 23, 2014
42. ## Precalc

1. If a bicycle wheel has a diameter of 27 inches, find the radian measure of the angle through which the wheel turns as the bicycle travels a distance of one mile. thanks!!

asked by Rebekah on January 9, 2013
43. ## Physics

A wave has an amplitude of .25m, a wavelength of .68m and a frequency of 3.2 hz. Find it's velocity? To solve I just used v=3.2 * .68=2.176m/s because amplitude doesn't factor into velocity. Is this right?thanks.

asked by NH on May 14, 2009
44. ## chemistry

If the volume is 226 L at 1.7 atm, find the volume at 2.8 atm. Assume the temperature and amount of gas remain constant. Answer in units of L.

asked by teresa on May 6, 2015
45. ## Math

I NEED TO KNOW HOW TO DO THE WORK FOR THIS QUESTION!!!!!!!!!!!!!!!!!!! Find the length of each side(triangle) first side-x second side-x+2 third side-x+3 Perimeter=35m "answer = 10m, 12m, 13m" ^^^^how do you get this???

asked by Ahri on March 23, 2017
46. ## trigonometry

A person is standing 21 feet from a building. The angle of elevation between the person and the ground is 59°. Find the height of the building. (Round to the nearest hundredth)

asked by tiffani on October 18, 2012
47. ## GRADE11 math

if f(x)= (x-4)(x=3) determine the x intercept of the funtion if y= -2f(x)... i just don't know if the -2 affects the answer because that only affects the y co ordinates. in the book it says 4,-3 but i don't know why. if this is true if the they were asking

asked by ramuu on September 28, 2010
48. ## maths

OPQR is a rhombus , three of whose vertices lie on a circle with centre O.If the area of the rhombus is 32 root 3cm square ,find the radius of the circle

asked by Manish on March 17, 2017
49. ## maths

inside a rectangular field there is a path 2 meter wide on all sides.If the dimension of the fields are 40 meter and 25meter. Find the area of the field

asked by Milan Deepak on May 30, 2014
50. ## Physics

A hydraulic hoist has a ram of 30 cm diameter and a plunger of 1 cm diameter. If 70 N effort is applied to the plunger and the efficiency is 80%, find the maximum load it can raise.

asked by Z on March 7, 2017
51. ## Math (Algebra 2)

The odds in favor of Carl beating his friend in a round of golf are 7 : 4. Find the probability that Carl will beat his friend. Would I take 7/(7+4)=77 So, 77 would be the correct answer? Thanks!

asked by Gaby on March 30, 2017
52. ## math

n points are arranged on a cirlce and all the chords drawn. Let I(n) be the number of intersection points inside the circle if no 3 chords are concurrent. Find a formula for I(n).

asked by Brenda on February 2, 2013
53. ## kendriya vidyalaya

an electron initially at rest is accelerated through a potential difference of 100 volts. find its final kinetic energy in electron volts?

asked by medha on December 28, 2015
54. ## algebra

Can someone get me in the right direction to figure this problem? The sides of a square are lengthened by 7 cm. The area becomes 256 cm^2 Find the length of one of the sides of the original square. Much appreciated

asked by carrie on May 7, 2009
55. ## physics help

Just after opening a parachute of negligible mass, a parachutist of mass 85.5 kg experiences an instantaneous upward acceleration of 1.12 m/s2. Find the force of the air on the parachute.

asked by anthony on October 22, 2012
56. ## physics

proton and electron enters in magnetic field at an angle 30 degree .find the radius and time period in terms of magnetic field

asked by magnetism on July 13, 2012
57. ## math

maria bought two fans for rs. 3605. she sold one at the profit of 15% and the other at the loss of 9%. if maria got same amount for each fan ,find the cost price of each fan ??

asked by TUHITUHI on October 16, 2012
58. ## math

maria bought two fans for rs.3605 .she sold one at the profit of 15% and the other at a loss of 9%. if maria got the same amount for each fan ,find the cost price of each fan ??

asked by TUHITUHI on October 16, 2012
59. ## Physics

A plastic ball fallen 2m onto a hard floor and bounces to a height of 1.8m. Find:- {1}coefficient of restitution of the collision {2}the height of the next ball bounce

asked by Pretender on March 16, 2013
60. ## algebra

Find the value of y so that the line passing through the two points has the given slope? 1. (12,y), (-6,9/7), m= -1/6 _____________ write an equation in slope-intercept form. (then graph the equation). 2. 18y+2x-9=0 3. 3x-4y=-8

asked by Anonymous on October 8, 2009
61. ## algebra

The 4200 km trip from New York to San Francisco take 6 h flying against the wind but only 5 h returning. Find the speed of the plane in still air and the speed of the wind.

asked by Samantha on November 7, 2012
62. ## math

A bank offers 5% compound interest on investments.A men invest \$2000. a)what is his investment worth after three year? b)find the compound interest.

asked by peter madison on July 29, 2018
63. ## Maths

Determine the profit function P(x), if the revenue function and cost functions are R(x)=70x-1000 and C(x)=30x+1000 respectively. Also find the break-even point.

asked by Lettiey on March 22, 2017
64. ## physics

Two forces acting on a body in opposite directions,have the resultant velocities of 10newton. if they act at right angles to each other, the resultant is 50 newton.find the two forces.

asked by Abhishek on March 16, 2011
65. ## Physics :(

Bobby​ ​is​ ​pushing​ ​a​ ​20kg​ ​box​ ​up​ ​a​ ​plane​ ​inclined​ ​at​ ​27​ ​degrees​ ​above​ ​the​ ​horizon b.​ ​find​ ​the​ ​force​ ​bobby​ ​needs​ ​to push​

asked by Anonymous on October 27, 2017
66. ## news homework

(Help!) In want wed should i go to . to find the news? Graciela, are you looking for a News Website? If so, here are a couple: www.msnbc.msn.com/ www.usnews.com/ GuruBlue," Thank you so much!" thanks a lot!!!!!!!!!

asked by Graciela on October 29, 2006
67. ## Physics

A 5.9 kg block initially at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 12.1 N. Find the speed of the block after it has moved 2.6 m.

asked by Anonymous on November 3, 2014
68. ## MATHEMATICS

what is the exact value of 1-2sin(15degrees)? also 2(sin2x)=2sinx solve it for 0

asked by MRADILAHMED on December 5, 2009
69. ## Math

find an equation for a ploynomial function with zeros, negative 8, negative 3 over 4, 1 over 5, and 2. hey it is 53h8kkds f (x) = x(x+8)(x+ 3/4)(x- 1/5)(x-2) will be zero when any one of the factors is zero. Multiply the factors to get the polynomial form.

asked by Jimmy on January 10, 2007
70. ## grade 11 math

if f(x)= (x-4)(x=3) determine the x intercept of the funtion if y= -2f(x)... i just don't know if the -2 affects the answer because that only affects the y co ordinates. in the book it says 4,-3 but i don't know why. if this is true if the they were asking

asked by Cindy on September 28, 2010
71. ## Calculus -- HELP!

If 1200 square centimeters of material is available to make a box with a square base and open top, find the largest possible volume of the box.

asked by Suzy on October 20, 2012
72. ## Algebra

A rectangle's width is 6 inches less than its length. If it's area is 216 square inches find the dimensions of the rectangle. Write an equation and solve

asked by Kevin on March 28, 2017
73. ## Chemistry

Consider the rxn during the Haber Process: N2 + 3H2 ---> 2NH3 The equilibrium constant is 3.9 x 10^(5) at 300 K and 1.2 x 10^(-1) at 500 K. Find Delta H reaction and Delta S for reaction

asked by Tyler on July 18, 2011
74. ## Physics

Two objects are in contact on a frictionless surface. A horizontal force is applied to one object as shown in the figure below. Use m1 = 1.2 g, m2 = 254 g and F = 0.7 N to find the force between the two objects.

asked by Natasha on October 6, 2009
75. ## math133

a photograph measures 9 in by 12 in. earl put it in a frame that addded 2in to everyside. find the ouside perimeter and total of the photograph and frame.

asked by TIM on October 15, 2009
76. ## physics

find the electric field and direction 0.100 micrometer west of an electron (144000 N/C East) im not sure if im converting it right.. 0.100 micrometer= 1x10^-6 m

asked by sammeh on December 3, 2009
77. ## Kinematics. Newtons Laws

Two objects are in contact on a frictionless surface. A horizontal force is applied to one object as shown in the figure below. Use m1 = 1.2 g, m2 = 254 g and F = 0.7 N to find the force between the two objects.

asked by Natasha on October 6, 2009
78. ## Criminal Justice/Corrections

Which of the following is NOT helpful to a judge in determining potential risk? A. The PSI B. STICS C. A risk and needs assessment D. The LSI-R I find all in my textbook except for STICS. So I think that is the answer.

asked by Pat on June 30, 2014
79. ## Phys Please Help!!

Just after opening a parachute of negligible mass, a parachutist of mass 85.5 kg experiences an instantaneous upward acceleration of 1.12 m/s2. Find the force of the air on the parachute.

asked by anthony on October 22, 2012
80. ## Pre Calculus

I have tried and tried to understand double angle identities but it just won't stick. if sin x = -0.6 and 180 (degrees) < x < 270 (degrees), find the exact value of sin 2x

asked by Kyrie on November 16, 2017
81. ## physics

Just after opening a parachute of negligible mass, a parachutist of mass 85.5 kg experiences an instantaneous upward acceleration of 1.12 m/s2. Find the force of the air on the parachute.

asked by anthony on October 22, 2012
82. ## To:Bobpursley

My face is not swollen. It is swollen inside my mouth. Please see a doctor as soon as possible. We are not doctors and cannot give you medical advice. You need to see a doctor in person to find out what is wrong.

asked by Kaveri on January 13, 2007
83. ## phys!!! how do you do this

Just after opening a parachute of negligible mass, a parachutist of mass 85.5 kg experiences an instantaneous upward acceleration of 1.12 m/s2. Find the force of the air on the parachute.

asked by anthony on October 22, 2012
84. ## Algebra word problem

Mary is two years older than Robert. The sum of their ages is 28. Write an expression for each person, write the equation for the situation and find out how old each person is.

asked by Lee Ann on November 30, 2014
85. ## Calculus 1

A spherical snowball melts in such a way that its surface area decreases at a rate of 1 cm2/min. Find the rate at which its diameter is decreasing when the diameter is 10 cm

asked by Celia on July 3, 2014
86. ## algebra

Find n so that the square and triangle have the same perimeter. The square is 8n+6, the triangle is 13n+2 on two of the sides and 30n-28 on the other side. This is the question that I have for homework,I don't understand it. Thanks

asked by art on September 29, 2010
87. ## Math

Ricardo spent \$37 for a jacket which included \$2.38 in sales tax. Write and solve an addition equation to find the price of the jacket before tax

asked by Luna on January 13, 2016
88. ## English

has anyone read the short story "the new veterans" and can give me like a summary of what happened in the story? i already tried looking online but couldn't find a complete summary? i just need to know mainly the plot? it would be much help

asked by Kayla on November 30, 2016
89. ## chemistry

If you had one mole of pennies to divide among all the people in the world, how many dollars would each person receive? Use 5thousand as the population of Earth. how do you find how many pennies are in one mole?

asked by sh on January 11, 2009
90. ## trig

how do you find algebraically the measure of the obtuse angle, to the nearest degree, that satisfies the equation 3 sec theta = 5 is it sec theta = 5/3 and then cos -1 (5/8) = 0.4

asked by Anonymous on June 11, 2014
91. ## Algebra

Cody’s motorboat took 3 hr to make a trip downstream with a 6-mph current. The return trip against the same current took 5 hr. Find the speed of the boat in still water

asked by Joel on February 22, 2011
92. ## PRE CAL SEQUENCES

Given the following finite sum 1/(1*2)+1/(2*3)+1/(3*4)+1/(4*5)+....+1/(n(n+1)) a) Find the first 5 partial sums b) Make a conjecture for a formula for the sum of the first n terms c) Use mathematical induction to prove your formula

asked by jack on April 12, 2010
93. ## Set Theory :Complements with Ellipses

Let U= {1,2,3, . . .}, A= {1, 2, 3, . . . ., 39}. use the roster method to write the set A' Find A' = _____________________________________________ I understand how complements work. Complement A' is everything outside of set A. However, since U goes on

asked by Ashley on July 5, 2014
94. ## math

The volume inside a rectangular storage room is 2,025 cubic feet. The room is 9 feet high. Find the area of the floor.

asked by joey on April 28, 2015
95. ## Calculus

a hyperbola passing through (8,6) consists of all points whose distance from the origin is a constant more than its distance from the point (5,2). find the slope of the tangent line to the hyperbola at (8,6).

asked by Al on October 26, 2014
96. ## math

the distance between two towns A and B is 150 kilometers. This distance is represented on a map by a length of 300 millimeters. If the scale of this map is in the form of 1:a, find the value of a

asked by Anonymous on March 25, 2017
97. ## statistics

can you please explain the following so that I can understand how the numbers for each part was found: A set of 50 data values has a mean of 15 and a varience of 36. Find the standard score (z score) of a data value =21

asked by MissPatte on October 30, 2014
98. ## Roots and Pre-cal

Find the roots of the function f(x)= x^2 +2x+2 a)-1 + sq root of 2 and -1 - sq root of 2 b) -1 + i and -1 - i c)-1 -2i sq root of 2 and -1-2i sq root of 2 d)-1 +2i and -1-2i The i's are in italics but I can't .make them in italic here for some reason

asked by raven 31791 on March 7, 2007
99. ## Pre-Calculus

I'm having problems solving this and showing the steps: Find the absolute maximum and absolute minimum, if either exists, for y = f(x)= x^3 - 12x + 12 -3 less equal to x greater than equal to 5

asked by Stacy on November 19, 2011
100. ## Calculus

Use the four-step process to find the slope of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x) = -2x2-2x+1 (-1, -2)

asked by Duane on October 26, 2014