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 650
1. Math

Calculate how long a de-orbit burn must last in minutes and seconds to achieve the Shuttle’s change in altitude from 205 miles to 60 miles at perigee.Use the equations and conversions provided below in method 1 or method 2 to find the required burn time

asked by katie on February 1, 2013
2. Algebra

An isotope of Glopenium disintegrates according to the formula A(t) = Ao2^-0.0345t where Ao is the initial mass of the substance and t is the time in years. If there are 2 milligrams of Glopenium now, find the number of milligrams that will be left after

asked by Loretta on October 21, 2011
3. algebra

A poll estimates that 43% of likely voters are in favor of additional restrictions on teenage drivers. The poll has a margin of error of plus or minus 4%. Write and solve an absolute value equation to find the minimum and maximum percent of voters that

asked by Laila on September 28, 2011
4. Texas State History

When Stephen Austin was given the task of establishing orderwithin his colony, what did he do? A. He delegated authority to other leaders B. He created a judicial system and infrastructure C. He acted as a dictator of his own colony D. He created a system

asked by ILTHSM_ on October 29, 2018
5. Chemistry

Adding 1.530x10^3 J of electrical energy to a constant-pressure calorimeter changes the water temperature from 20.50C to 21.85C. When 1.75g of a solid salt is dissolved in the water, the temperature falls from 21.85C to 21.44C. Find the value of qp for the

asked by Kayla on January 22, 2013
6. trig

A plane is flying with an airspeed of 150 miles per hour and heading 155°. The wind currents are running at 25 miles per hour at 160° clockwise from due north. Use vectors to find the true course and ground speed of the plane.

asked by janice on November 16, 2012
7. Physics

A horizontal forces of magnitude 500N pulls two blocks of masses m1=10 kg and m2=20 kg which are connected by the light inextensible string and lying on the horizontal frictionless surface. Find the tension in the strings and acceleration of each mass when

asked by S on November 5, 2016
8. physics

a 15-g bullet is fired from a rifle. it takes 2.50 * 10^-3s for the bullet to travel the length of the barrel, and it exits the barrel with a speed of 715 m/s. assuming that the acceleration of the bullet is constant, find the average net force exerted on

asked by courtney on January 31, 2014
9. medical terminology

1. Dr. Hannah places a stethoscope to a seven-year-old child’s chest. The lungs reveal basilar rales. Which method is Dr. Hannah using to perform the physical examination? A. Auscultation C. Percussion B. Palpation D. Visualization 2. Cardiology is the

asked by Nic on March 11, 2011
10. math

'a gardener plants an orchid with 5776 trees. in each row there were as many trees as the number of rows. find the number of rows'

asked by Anonymous on June 17, 2014
11. Physics

A Fahrenheit thermometre registers 110 degrees while a faulty Celsius thermometre registers 44 degrees . Find the error in the latter.

asked by Anirudh on July 20, 2019
12. find the number

The sum of the digits of a two-figured number is 9. If the digits are interchanged, the number obtained is only 3/8 as large as the original number. Find the number

asked by lila on May 20, 2016
13. math

the sum of two number is 39 . twice the first number plus 3 times the second numberis 101. find the numbers. x+x+1=39 2x=38 x=19 twice the first number 19 it would be 38 and 57 b three times the second number. i know is wrong kind o but please tell me.

asked by ali on January 2, 2015
14. maths

A series of steps lead to a temple.The number of step is 30. The height of each step is 20 cm.Then find the height of the temple from the base.

asked by sanjay on March 16, 2015
15. math

Find the present value of \$31,000 due in 4 yr at the given rate of interest. (a) 6%/year, compounded quarterly \$ ? (b) 3%/year, compounded quarterly \$ ?

asked by Amanda on November 23, 2012
16. geometry

A carton containing soap weights 6kg.if the weight of the empty carton is 600kg,find the weight of the soap solutin

asked by Anonymous on February 25, 2012
17. Algebra II

The height of a right triangle is 7 inches greater than the length of its base. If the area of the triangle is 15 square inches, find the base.

asked by Nicole on July 1, 2011
18. Maths

The sum of the 2digits of a 2 digit number is 15. If th number formed by reversing the digits is less than the orginal number by 27.Find the orginal number

asked by joshua on May 8, 2012
19. Art

Hello, can somebody please send me a link to a website that explains how african masks grew.. (first came about) I cannot find a website that explains how the masks were first made, etc.

asked by Chula on August 18, 2012
20. Math

Is there an easy way to find a pattern in a function table, so you can write a function rule? Or is there no easy way, you have to keep on guessing, by observing the table?

asked by Angie on February 25, 2009
21. Math, Statistics

According to a recent survey, 38% of americans get 8 hours or less of sleep. if 25 people are selected, find the probability that 14 or more people will get 8 hours or less of sleep.

asked by Sherry on January 11, 2013
22. Maths

Two polygons have te number of their sides in the ratio 1:3.The sums of their interior angles are in the ratio of 4;1. Find the number of sides of each polygon.

asked by Erin on February 7, 2011
23. math

find the nominal rate of interest convertible quarterly which is equivalent to a nominal rate of discount of 6% p.a. convertible monthly

asked by viona on September 21, 2017
24. Science

How do I find out about tools used 100 years ago that are still used today? go to google and type intools used 100 years ago

asked by Katie on March 5, 2007
25. Math

Use factorization to simplify the given expression in part (a). Then find the indicated limit in part (b). (a) 3x3 + 9x2 + 9x + 3 x4 + x3 + x + 1 (b) lim x → −1 3x3 + 9x2 + 9x + 1 x4 + x3 + x + 1

asked by Arthur on January 27, 2011
26. geometry

Given p is false, q is true,and r is false, find the truth value of the statement. (~P ~Q) ____> ~r Show step by step work.

asked by angela on June 1, 2012
27. math

Find the present value of \$31,000 due in 4 yr at the given rate of interest. (a) 6%/year, compounded quarterly \$ ? (b) 3%/year, compounded quarterly \$ ?

asked by Amanda on November 26, 2012
28. Geometry

The altitude to the hypotenuse of a right triangle divides the hypotenuse into segments 6 inch and 10 inch long, Find the length h of the altitude.

asked by Kala'e on January 31, 2016
29. Algebra

Given the linear equation y=-4/3x+1,find the y-coordinates of the points (-6),(-3) and (6).Show work.Plot these points and graph linear equation.

asked by sherry on March 17, 2012
30. 7th grade acc math prevents

How do I show on a hundred grid what 18% of 520 is? I know what the answer is but don't know how the grid can help me find the answer and that is what the teacher wants us to show. Thanks in advance!

asked by Ardine on January 6, 2014
31. calculus

verify that y=c/x^2 is a general solution of the differential equation y'+(2/x) y=0-6y=0 then find a particular solution of the differential equation that satisfies the side condition y(1)=2

asked by mari on April 10, 2012
32. math

in an examination,a student requires 40% of the total marks to pass. if Ru pa gets 185 marks and fails by 15 marks,find the total marks?

asked by jyotish on August 24, 2014
33. aig math (Ms.Sue)

a box containing 6 candy bars weighs 2.34 kg.When the box is empty it weighs 0.06 kg. find the weight of one candy bar? my answer is 0.38 am i right if not please tell me why and how.

asked by lidia on August 11, 2012
34. Geometry

ray OB is the bisector of angle AOC and ray OC is the bisector of angle BOD. m

asked by Sheila on September 5, 2013
35. math

The base of a triangular sail is 5ft less than its height The area is 42ft^2.Find the base and height of the sail. thanks for your time and help.

asked by Anonymousab on June 12, 2013
36. probability

Four balls are selected at random without replacement from an urn containing three white balls and five blue balls. Find the probability that two or three of the balls are white

asked by sam on February 27, 2011
37. algebra 2

Two cards are drawn from a standard deck of 52 where the first card is NOT replaced before the second card is drawn. Find the probability that both cards are aces.

asked by britnee on April 20, 2011
38. Physical Science

Using the formula for gravity, find the force of gravity on a 0.80-kg mass at Earth's surface. (The mass of Earth is 6×10^24kg, and its radius is 6.4×10^6m.).

asked by Hannah on June 21, 2016
39. math

Given the linear equation y=-3/2x+1, find the y-coordinates of the points (-4), (-2), and (6). Please show all of your work. Plot those points and graph the linear equation.

asked by Allie on December 16, 2010
40. maths

amit is 32 years younger than his father. 4 years ago his age was one fifth of his father age. find their present ages.

41. Calculus 2

Find the radius of convergence and interval of convergence of the series. n=2 series to infinity (-1)^n * x^n+6/n+7 R= ? I= (or[ , ]or) How do i do this?? ( means convergent and [ means divergent.

asked by James on November 5, 2012
42. Maths

Q1.Write the names of the two methods you use to find the HCF and LCM. Q2.Write formula to show the relation between HCF and LCM.

asked by Pooja kumari on June 21, 2014
43. Math

Use linear approximation, i.e. the tangent line, to approximate 1.6^3 as follows: Let f(x) = x ^3. The equation of the tangent line to f(x) at x = 2 can be written as y=12x-16 Using this, we find our approximation for 1.6 ^3 is ???????

asked by Salman on November 7, 2009
44. Math

A scale drawing has a scale of 1/4 in. :6ft. Find the length on the drawing for each actual length a.18ft b. 66ft c. 204ft

asked by maggie on February 10, 2014
45. Physics

Can you find two vectors with different lengths that have a vector sum of zero? What length restrictions are required for three vectors to have a vector sum zero? Explain.

asked by Amrit on October 21, 2016
46. Physics

Can you find two vectors with different lengths that have a vector sum of zero? What length restrictions are required for three vectors to have a vector sum zero? Explain.

asked by Amrit on October 22, 2016
47. Physics

A 16-g mass is moving in +x direction at 30 cm/s while a 4-g mass is moving in the -x direction at 50 cm/s. they collide head-on and stick together. Find their velocity after collision?

asked by Taif on December 12, 2016
48. calculus help

Find the derivative of the function. y = integral from cosx to sinx (ln(8+3v)) dv lower limit = cosx upper limit = sinx y'(x) = ????

asked by Tim on May 7, 2014
49. Algebra

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? I have never done one where the triangle is already over the x-axis...do we flip it up or down... Please help me

asked by Deborah on October 27, 2012
50. maths

If 10 students consume 1185kg of meat in 21 days, find how much 16 students will consume in 14 days, if consumption takes the same rate.?

asked by BIZHATOCOTO on April 9, 2019

The sum of an integer and the next greater integer is at the most 13. Write an inequality to find the lesser integer and solve for the lesser integer. My answer n+n+1

asked by Sierra on February 4, 2015
52. yet another geometry question

Points D, E and F are the midpoints of the sides of triangle ABC. If AD=6, CF=4 and the perimeter of triangle ABC = 30, then find BE. If D is between A&B, E is between B&C and F is between C&A, then the perimeter is 6+6+4+4 + (twice length of BE)= 30 Solve

asked by mike on May 7, 2007
53. Math

Gerald works 18 hours each week. He earns \$10 a hour.Write an expression to find how much Gerald earns in 1 week

asked by Jayla on August 16, 2016
54. Geometry

Point A is 5 feet from the center of the circle and 11 feet from point B. Line AB is tangent to circle O at A. Find OB to the nearest tenth.

asked by Joe on April 15, 2012
55. Geometry HELP

Rhombus WXYZ has vertices W(1,2), X(4,3), Y(3,0) and Z(0,-1). Find the lengths of diagonals WY and XZ. a.)WY=2âˆš2; XZ=4âˆš2 b.)WY=2âˆš4; XZ=2âˆš2 c.)WY=2âˆš4; XZ=4âˆš2

asked by Ariel on June 9, 2010
56. statistics

A coin is biased so that the probability of obtaining a head is 2/3. The coin is tossed four times. Find the probability of obtaining exactly two heads.

asked by Laura on June 21, 2016
57. Social Science

Where can I find information on the difference between English policing and American policing, without using wikipedeia? I found some information but is not showing a difference. Thank you

asked by Demi on November 22, 2014
58. History-WWI

Can anyone help me find a diagram of "no man's land" in World War 1? I have one that shows trenches but need to make diagram of no man's land. Thanks

asked by Sue on April 4, 2008
59. Algebra

Given the linear equation y=-4/3x+1,find the y-coordinates of the points (-6),(-3) and (6).Show work.Plot these points and graph linear equation.

asked by sherry on March 17, 2012
60. trigonometry

A 36 ft. ladder is used to reach the top of 28ft. wall. If the ladder extends 2 ft. from the top of the wall, find its inclination to the horizontal.

asked by Winsel on August 11, 2010
61. honors algebra

the area of a triangle is 105 square feet. the height is two more than four times the base. find the base and height of the triangle

62. Maxwell

3 times the age of Felicia is four more than the age of Tom.In three years,the sum of their ages will be 30 years.Find their present ages.

asked by Owusu on August 23, 2016
63. geometry

line AB is parallel to line CD, the measurement of angle A=2x-25, and the measurement of angle C=x+5. find the value of x. show work and explain your reasoning.

asked by joseph on October 29, 2011
64. space

A water tower has to be equidistant from three communities. The communities are at positions (-25, 20), (-5, -40) and (15, 30). Find the coordinates of the point where the water tower should be built.

asked by Anonymous on May 30, 2011
65. math

There are 24 inches of ribbon in each spool. Margaret needs 384 inches of ribbon. Which equation can Margaret use to find the number of spools, s, she needs?

asked by Kiki on November 13, 2018
66. science

a stone is dropped down a well.it hits th surface of the water after 2seconds.find the depth of water from point where the stone was dropped

asked by unknown on February 5, 2014
67. Finite Math

Without consultation, each of five organizations announces a one-day convention to be held during July. Find the probability that at least two organizations specify the same day for their convention.

asked by Amanda on March 15, 2012
68. Algebra 2

Are a of a sail. The area in square meters for a triangular sail is given by A(x) = x2 + 5x + 6. a) Find A (5). b) If the height of the sail is x +3 meters, then what is the length of the base of the sail?

asked by Nina on February 22, 2009
69. calculus

Given y^4 -x^4=16 find and simplify d2y/dx2 using implicit differentiation. I got the first derivative which was x^3/y^3 and no im am stuck on using implicit differentiation for the second derivative part

asked by Anonymous on March 1, 2012
70. math probability

Four balls are selected at random without replacement from an urn containing three white balls and five blue balls. Find the probability that two or three of the balls are white.

asked by Sam on February 28, 2011
71. math

find the range the answer will be within 6,473+3,234=9,707 and the range is 3239 do i add 6,473+3,234=9,712

asked by stephanie on August 24, 2011
72. math

The surface area of spherical ball of radius r is given by the formula S=4(22/7)r2. Find surface area of ball of diameter 12cm.

asked by Sam on December 23, 2010
73. Math

The area of a rectangle is 128 square feet. Its height is twice its base. Find the length of the height and the length of the base.

asked by Hayley on September 17, 2013
74. math

Given the linear equation , find the y-coordinates of the points (-6, ), (-3, ), and (3, ). Please show all of your work. Plot those points and graph the linear equation.

asked by mary on July 17, 2011
75. STATISTICS

a team of 3 is to be chosen from 4 boys and 5 girls. if X is the random variable of the number of girls in the team find the Expected variable X. E(X)

asked by KALAN ENILEOHS on February 25, 2015
76. Maths

The length of notice board is thrice its breadth.if the perimeter of the notice board is 10m.find the lend and breadth. ?

asked by Umesha on September 25, 2016
77. maths

The length of a rectangle is 10cm greater than its width. The perimeter of the rectangle is 1m. Find the simplest expression for the perimeter if the width is x.

asked by Shane on September 1, 2013
78. math

Anthony is twice as old as Julian.5years ago,he was three times as old .let x be julian`s present age find the present ages of anthony

asked by Lindy on October 29, 2014
79. Geometry

1. Why do you think that the slope of a vertical line is called "undefined?" 2. Can you find the equation of a line if you are given the slope and the x-intercept? If so, explain how. If not, explain why you can't.

asked by Unknown on September 3, 2013
80. physics

2.)A 16 g mass is moving in the +x direction at 30 cm/s while a 4 g mass is moving in the -x direction at 50 cm/s. They collide head on and stick together. Find their velocity after the collision

asked by cami on September 20, 2014
81. Merman High School

1. A 70-kg box is slid along the floor by a 400-N. The coefficient of friction between the box and the floor is 0.50 when the box is sliding. Find the acceleration of the box.

asked by Kiana on October 6, 2016
82. Algebra 2

The difference of the area of two squares is 223 square feet and the difference of their perimeters is 24 feet. Find a side of each square.

asked by Liz on September 7, 2008
83. math

there are 15 boys and 18 girls in fifth grade. Find the ratio of boys to girls in fifth grade.(how do I get the answer) can someone show me how to work the problem

asked by dan on October 1, 2012
84. College ALGEBRA

. Manny plans to save of his salary each week. If his weekly salary is \$ 444, find the amount he will save each week.

asked by MARIE JONES on August 22, 2014
85. Maths

The digits of a three digit number are in AP&their sum is 15.The number obtained by reversing the digits is 594 less than the original number.Find the number?

asked by Aiswarya on October 1, 2011
86. physics

16-g mass is moving in the +x direction at 30 cm/s while a 4-g mass is moving in the -x direction at 50 cm/s. they collide head on and stick together. find their velocity after the collision.

asked by Christian on December 9, 2015
87. algebra

Given the linear equation y=-3/5x-4, find the y-coordinates of the points (-5, ), (0, ), and (5, ). Please show all of your work. Plot those points and graph the linear equation.

asked by sharday on November 1, 2011
88. geometry

one side of an equilateral triangle is 7 dm shorter than one side of square.the sum of the perimeter of the two figure is 49 dm . find the perimeter of each figure.

asked by junior on October 16, 2012
89. physics

Force 1=450 N and it is 10 degrees west of the vertical and Force 2= 380 N and it is 30 degrees easy of the vertical. I have to find the resultant of the two

asked by Kim on December 9, 2009
90. Geomentry

I have to use a # line to find the ratio of the segment lengths. BD:CF point B is on the # 2. point D is on the # 9. point C is on the # 6, and point F is on the # 13. (How did they arrive with a answer of 1\1?) From B to D is 2 to 9, or 7. From C to F is

asked by Mack on March 28, 2007
91. maths

a matrix X has a+b rows and a+2 columns while the matrix Y has b+1 rows and a+3 columns. both matrices XY and YX exist. find a and b. can you say XY and YX sre of same type? are they equal?

asked by edward on April 4, 2013
92. Maths

denominator of a fraction is 1 more than its numerator. the fraction reduces to one fourth when numerator is reduced by 2 and denominator is increased by 3. find the number

asked by Abhishek on May 24, 2011
93. history

what sort of armor did the Black Prince wear? what was it made out of? how heavy was it and how functional was it? I've been looking but all i can find it that it was black, heavy and not very functional. thanks!

asked by nicole on December 14, 2009
94. statistics

A population has a mean =80 and a standard deviation =8. find the mean and standard deviation of a sampling distribution of sample means with sample size=64

asked by antorio on February 12, 2013
95. Math

Find the probability of drawing the face card that is a spade on the first-draw replacing it and drawing a king card on the second draw

asked by Joe mama on March 31, 2014
96. math

Find the present value of \$31,000 due in 4 yr at the given rate of interest. (a) 6%/year, compounded quarterly \$ ? (b) 3%/year, compounded quarterly \$ ?

asked by Amanda on November 25, 2012
97. Math help!

What is the simplified form of; 3a^4b^-2c^3 4, -2, and 3 are powers A: 81a^4c^3 ________ b^2 B: 81a^4 ________ b^2c^3 C: 3a^4 ________ b^2c^3 D: 3a^4c^3 ________ b^2 I looked through my lesson but couldn't find out how to do this... I think its D?

asked by No clue on February 11, 2019
98. maths

The radius of a blot ink is increasing at a rate of 1.55mm per seconds.find the rate at which the area is increasing after 4 seconds

asked by Kingsley on November 27, 2011
99. math math

Given the linear equation , find the y-coordinates of the points (-6, ), (-3, ), and (3, ). Please show all of your work. Plot those points and graph the linear equation.

asked by mary on July 17, 2011
100. college algebra

find the equation of the line in slope inntercept form. (-1,1) and (-2,1) I know that I have to use m=y^2-y^1/x^2-x^1 which is slope form then I get: m=1-(1)/-2-10 which I substitue m= ? is where I get lost but then I know the next part is: y=mx+b then I