# 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

93,362 questions, page 695
1. ## Math

Your school's football team scored 49 points. Your team's scored 19 points more than the opponent's scores. Write and solve an equation to find the opponent's score

asked by Izamae on September 12, 2016
2. ## math

bob has a container with a capacity of 12 quarts. he wants to express this capacity in gallons. write a proportion to find the number of gallons of water bob's container can hold.

asked by pavleen on February 10, 2011
3. ## physics

Two objects (41.0 and 20.8 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find the acceleration of the objects and the tension in the string.

asked by Anonymous on October 7, 2011
4. ## math

A rectangular solid has a base with length 6 cm and width 5 cm. If the volume of the solid is 300 cm3, find the height of the solid. [Hint: The volume of a rectangular solid is given by V = LWH.]

asked by Brenda on January 29, 2008
5. ## Math 142 (Pre-Cal) (Circles)

A wheel spins through 29 revolutions per minute. Find the angular velocity and the linear velocity if the radius of the wheel is 1.8 feet. w=? (rad/min) v=? (feet/min)

asked by Ray on March 31, 2016
6. ## Maths

A sheet of paper measuring 30cm by 20cm . A strip of Wide 4cm cut from it all around. Find the área of the remaining sheet and also the área of the cut strip

asked by Anonymous on December 1, 2017
7. ## history

For the quote "Remember the Maine" I went on a lot of websites and most of the websites said that "remember the Maine" was said by Americans. I can't seem to find what the meaning of the quote was. Did people say it when they wanted to go to war with

asked by Amy~ on August 28, 2010
8. ## Algebra

From a group of 6 men and 4 women, a committee of 3 is to be selected at random. Find P(at least 2 women). It might be a little out of order but this is what I got. C(10,2) (10*9*8*7*6*5*4*3*2*1)/(8*7*6*5*4*3*2*1*2*1) =45 C(6,2) (6*5*4*3*2*1)/(2*1) =360

asked by Jon on March 5, 2008
9. ## Science

I need to find out if sucrose, sucrose solution, sodium chloride, sodium chloride solution, water, vinegar, and aluminum are electrolytes and what type of bond they are but I don't know where to look.

asked by Anonymous on December 20, 2009
10. ## physics

Silicon is doped an acceptor of 10^18/cm^3. Find the electron and hole concentration, the electron and hole mobilities, and the resistivity of this silicon material at 300 K. Is this n-type or p-type?

asked by Alex on April 10, 2011
11. ## math

the distance between two stations is 300km. two trains start simultaneously from these stations and move towards each other ,the speed of one them is 7k/hr more than the other . if the distance between them after 2hours of their start is 34km ,find the

asked by TUHITUHI on October 7, 2012
12. ## physics

a rock is thrown vertically down from a bridge with an initial velocity of 30m/s and strikes the water in 2.0sec. find the velocity with which the rock strikes and the height of the bridge.

asked by roger on June 20, 2014
13. ## social studies

How did the slave trade affect the eastern shore? Also where can I find information about the Slave Trade on Maryland's Eastern shore on its economics and culture? Help is Appreciated! Thankyou

asked by Johnny on November 6, 2008
14. ## physics

Two objects (39.0 and 21.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find (a) the acceleration of the objects and (b) the tension in the string.

asked by Sally on October 3, 2012
15. ## English

is "six inches of snow are predicted, I'd better find my boots" a run on, simple or compound sentence. I am pretty sure its not a compound because there is no coordinate conjunction but i am not sure if it is a simple or run on sentence

asked by Pencer on April 9, 2019
16. ## Math

A certain triangle has a perimeter of 3080 mi. The shortest side measures 71 mi less than the middle​ side, and the longest side measures 373 mi more than the middle side. Find the lengths of the three sides.

asked by Jess on September 6, 2018
17. ## Trigonometry

Suppose *u* is a quadrant IV angle with cos(u) = 3/5. Suppose *v* is a quadrant IV angle with cos(v) = 12/13. Find the exact value of sin(u-v) I have gotten to sin120cos150 - sin150cos120 but I am not sure I am correct up to that point and I don't know

asked by Lydia on April 17, 2016
18. ## stats

2. The average age of a child in kindergarten is 66 months. The standard deviation is 4 months. If a random child is selected, find the probability that the mean age is: a) Between 64 and 68 months b) Greater than 62 months

asked by AMbe on August 4, 2012
19. ## Stat

Of 84 adults selected randomly from one town, 62 have health insurance. Find a 90% confidence interval for the true proportion of all adults in the town who have health insurance. Please help mr solve.

asked by Billy on October 1, 2014
20. ## math

A bacteria culture starts with 1,000 bacteria and doubles in size every 2 hours. Find an exponential model for the size of the culture as a function of time t in hours.

asked by liz on October 7, 2010
21. ## geometry

for that some problem: 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. arn't you solving two parts because the board was cut in two?

asked by shannon on February 27, 2011
22. ## algebra

a tugboat goes 160 miles upstream in 20 hours. The return trip downstream takes 5 hours. Find the speed of the tugboat without a current and the speed of the current.

asked by ashley on August 19, 2012
23. ## math

(a) Use a graph of f(x) = sqrt(2x^2+9x+5)−sqrt(2x^2+2x+1) to estimate the value of lim x→∞ f(x) to one decimal place. (b)Use a table of values of f(x) to estimate the limit to four decimal places. (c)Find the exact value of the limit.

asked by Kayla on February 11, 2015
24. ## Math/geometry

Two angles are complementary.the second angle has 6 more than three times the measure of degrees as the first one. Find the measure of each angle using an equation. Define your variables. I didn't get what the two variables should be... And how I'd write

asked by Sonja R on April 12, 2016
25. ## physics

Two objects (52.0 and 20.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find (a) the acceleration of the objects and (b) the tension in the string.

asked by brando on July 1, 2013
26. ## math

A bacteria culture starts with 1,000 bacteria and doubles in size every 2 hours. Find an exponential model for the size of the culture as a function of time t in hours. f(t) = 1

asked by liz on October 9, 2010
27. ## Pre calc

Thanks in advance for any help. I need help with this whole problem. The distance s(t) between an object and its starting point is given by the antiderivative of the velocity function v(t). Find the distance between the object and its starting point after

asked by Peter on May 14, 2008
28. ## Maths

A shopkeeper has false balance. It weighs 10% profit when buying goods and weighs 10% loss when selling goods. Find the profit and loss percent by weighing?

asked by Rabin on August 27, 2016
29. ## Pre Calculus

Let $\bold{w} = \begin{pmatrix} 2 \\ -1 \end{pmatrix}$. There exists a $2 \times 2$ matrix $\bold{P}$ such that $\text{proj}_{\bold{w}} \bold{v} = \bold{P} \bold{v}$ for all 2-dimensional vectors $\bold{v}$. Find $\bold{P}$.

asked by Bob on September 20, 2017
30. ## English

I have to find all the nouns and label them. Exploration is dangerous. It takes courage to sail to an unknown land. Exploration - idea Courage - idea Land - place

asked by Aveary on August 26, 2015
31. ## Math

A walkway is formed by four semi circles. The diameter of the inner semi circles is 14 feet. The width between the outer and inner semicircles is 2 feet. Find the area of the walkway. Use 3.14 as an approximation for pi.

asked by Eiyannah on June 9, 2015
32. ## algebra

The value of a certain two-digit number is eight times he sum of its digits. if the digits of the number are reversed the result is 45 less than the original number. find the original number. **please show both equations and work... thanks =)

asked by Bri on February 28, 2011
33. ## calculus

A force of 10 pounds is applied to a wagon, directed at an angle of 30∘30∘. Find the component of this force pulling the wagon straight up, and the component pulling it horizontally along the ground.

asked by andre on August 14, 2016
34. ## geometry

A segment 12" long is divided into two segments having lengths in the ratio of 2:3. Find the length of each segment. (Hint: Let 2x and 3x represent the length of the parts.) x = ? segment 1 = (2x) = ? inches segment 2 = (3x) = ? inches

asked by terri on March 9, 2011
35. ## algebra

Marcel brought in 40 cookies to share equally with his classmates. Let t represent the number of classmates Marcel has. Which expression could be used to find the number of cookies each classmate received?

asked by kinley on December 14, 2018
36. ## Math,algebra

ann is 20 years older than her daughter faye. three years from now she will be six times as old as her daughter. find their present ages. This is my work: ( i'm not sure if it's correct ) Now 3 yrs from now Ann A A+3 Faye 6A 6A+3 7a+21 = 6A+3 -6A -6A

asked by Ellofrmdaodersyde on February 15, 2016
37. ## algebra

A tugboat goes 180 miles upstream in 15 hours. The return trip downstream takes 10 hours. find the speed of the tugboat without a current and the speed of the current

asked by maggie on August 9, 2012

"Mahpee was selling magazine subscriptions. He earned $5 plus$0.50 for each subscription he sold. If Mahpee earned $25, use the equation 25=5 + 0.50n to find the number of subscriptions n he sold." How do I figure this out?? asked by Rinoa on September 21, 2010 39. ## math-statistics If the probability of an authentic laying goose is 0.83, find the probability of getting a laying goose on or before the fourht trial. I think that answer is: (0.17)(0.17)(0.17)(0.83)=.00407 *the answer needs to be rounded to three significant digits* asked by Sherri on December 14, 2008 40. ## math A tugboat goes upstream 120 miles in 20 hours. The return trip downstream takes 10 hours. Find the speed of the tugboat without the current and the speed of the current. asked by Lori on August 1, 2012 41. ## Calculus derivative find the slope m and an equation of the tangent line to the graph of the function f at the specified point. original: x^2/x+10 point: (3,9/13) After I found the derivative: (x+10)(2x)-(x^2)(1)/((x+10))^2 How do I get the slope? Should I put 3 into the asked by Eve on September 17, 2013 42. ## algebra The angle of elevation from the tip of the shadow to the top of the tree is 36°. Find the distance from the top of the tree to the tip of the shadow. Round the answer to the nearest tenth. asked by Bob on March 30, 2015 43. ## math there are 30 marbles in a bag; 4 blue, 10 red,6 white, 10 yellow. You randomly draw5 marbles without replacement. Find the percent of drawing 2 red marbles and at least 2 white marbles. asked by em on May 23, 2014 44. ## english Hi I have to write a paper on 2 opposing sides of tattoos. but everytime I show my teacher 2 sides I think of she keeps saying the paper is still one sided. Can someone please help me find 2 truly opposing arguements when it comes to tattoos thanks sooooo asked by jenny on December 12, 2008 45. ## Statistics Suppose that 92% of all SFSU students own a cell phone. Find the probability that 7 out of 10 random selected SFSU students own a cell phone. explain how answer was arrived asked by Mitch on February 24, 2011 46. ## Physics A man using 80kg garden tractor on a level surface exert a force of 50N at 65^0 to the ground. Find the vertical force of the garden tractor on the ground asked by Eric on November 4, 2018 47. ## Math Problem (please help) A rectangular classroom seats 252 students. If the seats were rearranged with three more seats in each row, the classroom would have two fewer rows. Find the original number of seats in each row. asked by Ada on September 26, 2014 48. ## chemistry There are exactly 60 seconds in a minute, there are exactly 60 minutes in an hour, there are exactly 24 hours in a mean solar day, and there are 365.24 solar days in a solar year. Find the number of seconds in a solar year. asked by Mely on September 4, 2010 49. ## Writing Where Can i find some short current event articles? http://www.nytimes.com http://www.latimes.com http://www.pe.com http://www.time.com That is, just about any newspaper or newsmagazine. =) asked by Bryan on February 26, 2007 50. ## physics write down the uncertainty in the volume of the cylinder (3.36*10^-2) write down the minimum uncertainty with which the volume of the cylinder can be determined (1.79*10^-2) it says to compare these values and discuss briefly. I figured out how to find asked by Anna on February 15, 2009 51. ## math a basketball hoop is 120 inches above the court. a player is 62 inches tall. find the approximate distance between th top of the player's head and the basketball hoop. asked by shron on December 10, 2012 52. ## math 8712-2178=6543 6543-4356=2178 Can you find another set of numbers with the same pattern? Now add the results you got. ..and a similar pattern by subtracting the results. asked by Jared on June 12, 2007 53. ## Math Tonia deposited a total of$174.52 into her checking account. She also withdrew a total of \$186.15. Use addition to find the net change in Tonia’s checking account.

asked by Caitlin on September 25, 2011
54. ## physics

Two objects (53.0 and 16.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find (a) the acceleration of the objects and (b) the tension in the string.

asked by chidera on September 23, 2014
55. ## algebra

Use the discriminant to find out whether this quadratic polynomial can be factored. Factor the polynomial if it is not prime. This polnomial is prime, so I cannot factor it. I just need help with the discriminant part. Thaks in advance for your help.

asked by Trina on September 3, 2010
56. ## chemistry

There are exactly 60 seconds in a minute, there are exactly 60 minutes in an hour, there are exactly 24 hours in a mean solar day, and there are 365.24 solar days in a solar year. Find the number of seconds in a solar year.

asked by Mely on September 3, 2010
57. ## math

Lareina understands factors, but sometimes she has trouble finding all the factors of a number. What advice would you give to help her find all the factors of a number? Demonstrate by finding all the factors of 110. I NEED HELPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!

58. ## STATISTICS

A study has shown that among people without any preschool education, 32% were employed at age 19. If 100 people without preschool education are selected, find the probability that 40 or fewer are employed.

asked by Sonny on October 28, 2009
59. ## Algebra

An object is dropped from a bridge. Find the distance the object has fallen when its speed reaches 132 ft/s. Use the equation v = 64d , where v is the speed in feet per second and d is the distance in feet.

asked by Irma on July 6, 2016
60. ## math

The radius of circle is given as 2.8 cm to 2 significant figure (a) If C is the circumference of the circle, determine the limits between which C/π lies. (b) By taking π be 3.14; find to 4 significant figures the line between which the circumference lies

asked by John on February 9, 2015
61. ## Math

Can someone tell me how to start to solve this A bag contains 4 white, 3 blue, and 5 red marbles. 1. Find the probability of choosing a red marble, then a white marble if the marbles are replaced. A. 1/12 B. 5/36 C. 5/6 D. 5/12

asked by Katie on February 27, 2019
62. ## calculus

Find all points on the curve x^2y^2+xy=2 where the slope of tangent line is -1. This is what I got. x^2y^2+xy=2 x^2*2ydy/dx + 2x*y^2 + x*dy/dx + y =0 dy/dx(2yx^2+x)= -2xy^2-y dy/dx = (-2xy^2-y)/(x+2yx^2) how do I finish from here? I need to know where the

asked by Riley on April 2, 2009
63. ## Statistics

A car rental agency currently has 41 cars available, 28 of which have a GPS navigation system. Two cars are selected at random from these 41 cars. Find the probability that both of these cars have GPS navigation systems

asked by Anonymous on March 22, 2013
64. ## physics

A cart of mass M1 = 4.00 kg and initial speed = 4.00 m/s collides head on with a second cart of mass M2 = 2.00 kg at rest. Assuming that the collision is elastic, find the speed of M2 after the collision. i keep getting 2.3 m/s what am i doing wrong?

asked by courtney on March 7, 2008
65. ## Calculus

Find the limit lim as x approaches (pi/2) e^(tanx) I have the answer to be zero: t = tanx lim as t approaches negative infi e^t = 0 Why is tan (pi/2) approaching negative infinity is my question?

asked by NY-Calc on March 23, 2011
66. ## Precalculus

The graph of the parametric equations x=cos(t), y=sin(t) meets the graph of the parametric equations x=2+4cos(s), y=3+4sin(s), at two points. Find the slope of the line between these two points.

asked by Phil on April 9, 2016
67. ## cocoa

Julian's shadow is 6 feet long. At the same time a 31 foot tall building casts a shadow that is 28 feet long. What proportion could be used to find Julian's height?

asked by Anonymous on May 14, 2012
68. ## Calculus,reaction rates

A car starting at 12:00 noon travels west at a speed of 30 kph. Another car starting from the same point at 2:00 PM travels north at 45 kph. Find how fast the two are separating at 4:00 PM?

asked by @jayr on November 30, 2014
69. ## algebra

Find all rational zeros of the polynomial function P(x)=x^4 + 2 x^3 - 13 x^2 + 4 x - 30. Enter the rational zeros in a comma separated list. If there are none, enter "none". -3| 1 2 -13 4 -30 -3 15 -6 30 1 -5 2 -10 0 so (x+3)(x^3-5x^2+2x-10 so 5| 1 -5 2

asked by kim on June 23, 2015
70. ## college alg

Find (a) the equation of a line that is parallel to the given line and includes the given point, and (b) the equation of a line that is perpendicular to the given line through the given point. Write both answers in slope-intercept form. y = -4x + 2, (5, 4)

asked by sunny on January 4, 2012
71. ## physics

A bat flying in a cave emits a sound and receives its echo 0.5 s later. How far away is the cave wall? I answered this below. If you cant find it, search on bat flying in the search window above.

asked by Barry on November 5, 2006
72. ## chemistry

Lithium iodide has a lattice energy of -7.3x10^2kj.mol and heat of hydration of -793kj.mol. Find the heat of solution for lithium iodide.

asked by Cassie on September 22, 2011
73. ## math

Ms. Handler walks to work at an average speed of 5 kilometers per hour. If she increases her speed to 6 kilometers per hour, she will save 10 minutes. Find the distance she walks.

asked by Rob on October 12, 2015
74. ## Maths

There are 50 students in a class of which 40 are boys and the rest are girls the average weight of the class is 44kg and the averageweight of the girls us 40kg. find the average wieght of the boys

asked by priya on March 15, 2015
75. ## statistics

According to a college survey, 22% of all students work full time. Find the mean and standard deviation for the number of students who work full time in samples of size 16.

asked by Hannah on March 16, 2015
76. ## calculus

A spherical snowball is placed in the sun. The snowball melts so that it's surface area decreases at a rate of 2 cm2 /min. Find the rate at which the diameter decreases when the diameter is 8 cm

asked by Jocelyn on October 24, 2014
77. ## math, geometry

The bases of trapezoid ABCD are \overline{AB} and \overline{CD}. Let P be the intersection of diagonals \overline{AC} and \overline{BD}. If the areas of triangles ABP and CDP are 8 and 18, respectively, then find the area of trapezoid ABCD.

asked by Anonymous on April 27, 2014
78. ## Law of Sines

In Triangle ABC, a=15cm, c=9cm, and angle C= 35 degrees. Find b and angle b. (Recall sin theta= sin (180 degrees-theta). I'm not sure how to approach this.

asked by Richard on September 6, 2014
79. ## geometry

Find the number of degrees in the measure of one of the base angles of an isosceles triangle, if the measure of the vertex angle is 36 degrees less than the sum of the measures of the base angles.

asked by lorie on January 14, 2011
80. ## College Algebra

The equation for the total revenue earned by a company for selling widgets is p=4q. The equation for the total cost of the company for producing widgets if p=q+6. Find the break-even quantity.

asked by Sarah on November 21, 2013
81. ## Stiochiometry

15.8 grams of NH3 and excess O2 produces NO gas and H2O. 12.8 grams of NO gas was produced. Find the percent yield. Balanced Equation: 4 NH3 + 5 O2 -> 4 NO + 6 H2O

asked by Mikey on May 15, 2011
82. ## math

find the standard deviation for the given data. Round your answer to one more decimal place than original data. (9,7,13,24,32,45,47) I get 16.62041 but how do I round my answer to one or more decimal places? I am a little lost.

asked by Marie on November 19, 2009
83. ## Algebra

A tugboat goes 160 miles up stream in 20 hours, return trip downstream takes 5 hours. Find speed of tugboat without the current and the speed of the current

asked by Ruth on March 6, 2013
84. ## Math

The bearing of point Y from a point X is 048°. If Y is 115km away from point X and the bearing of point Z from Y is 120° at a distance of 75km. Find the distance between X and Z, using a scale of 1cm to represent 20km

asked by Bau on June 18, 2018
85. ## Calc

A spherical snowball is placed in the sun. The snowball melts so that it's surface area decreases at a rate of 2 cm2 /min. Find the rate at which the diameter decreases when the diameter is 8 cm.

asked by Jocelyn on October 24, 2014
86. ## precalculus

The question is...find the radian measure of the central angle of a circle of radius r that intercepts an arc of length s. Then it gives the radius r of 27 inches and an arc length s of 6 inches. How do I do that?

asked by Megan on February 28, 2010
87. ## Maths

A and B are two balloons at the same height and 1000 metre apart. O is a ground observation position. Angle AOX is 45 degree 15' and angle BOX is 10 degree and 30'. Find the height of the balloons.

asked by Shane on April 29, 2013
88. ## Physics

A light Ray is incident at an angle of 45 degrees on one side of a glass plate of index of refraction 1.6. Find the angle at which the ray emerges from the other side of the plate

asked by Gela on August 4, 2015
89. ## maths need help word problem

A number is made up of two digits whose sum is 9. If this number is now divided into the number made up of the same digits but in reverse order the result is six-fifths. Find the number? Step plz

asked by help on November 15, 2016
90. ## math

calvin buys 3/5 pound of ground beef. he divides the beef into 6 equal portions. a)find the weight of 1 portion of beef. b)fin the weight of 4 portions of beef.

asked by Shohanur on February 8, 2013
91. ## Physics

Charge A, +1 μC, is positioned at the origin of a coordinate system as shown below. Charge B, −1 μC, is fixed at x = 3 m. (a) Find the electric field on the x axis at x = 6 cm. (b) At what point on the x axis is the electric field zero?

asked by Alyssa on January 29, 2016
92. ## MATH_URGENT

The bases of trapezoid ABCD are \overline{AB} and \overline{CD}. Let P be the intersection of diagonals \overline{AC} and \overline{BD}. If the areas of triangles ABP and CDP are 8 and 18, respectively, then find the area of trapezoid ABCD.

asked by RhUaNg on April 27, 2014
93. ## Calculus

Assume that a demand equation is given by q=9000-100p. Find the marginal revenue for the given production levels. a. 500 Units the marginal revenue at 500 units is

asked by Duane on November 1, 2014
94. ## mathematics

the lenght of a rectangle is twice its width.If the width is reduced by 1cm and the lenght is also reduced by 2cm,the area will be 15cm(square).Find the dimensions of the original rectangle.

asked by john on October 26, 2014
95. ## Math--help help help

1)when a certain polynomial is divided by x - 3, the quotient is x^2+2x-5 and the remainder is -3. what is the polynomial 2) Find each quotient and remainder. Assume the divisor is not equal to zero. a)(2x^2+29x-x^3-40)/(-3+x) b)(6+7x-11x^2-2x^3)/(x+9)

asked by sarah on April 28, 2012
96. ## English

What is the meter of the following line from “A Sybil” by Rilke? “Her age became too much to say” Im confused and cant find an answer. Iambic pentameter Iambic tetrameter Trochaic pentameter Trochaic tetrameter

asked by Anonymous on December 15, 2014
97. ## value

A Body Is In Equilibrium When Three Forces Act On It,two Of The Forces Are F1 Of Magnitude 8n Acting Dud East And F2 Which Is 5n Acting N60degree East.Find The Magnitude And Direction Of The Third Force.

asked by value on October 8, 2016
98. ## Statistics

If there are 6 red disks numbered 1 through 6, and 4 yellow disks numbered 7 through 10, find the probability of selecting a yellow disk given that the number selected is less than or equal to 4 or greater than or equal to 8.

asked by SHEYLAMIEL on October 16, 2016
99. ## math

a boat took 5 hours to travel 60 km up a river, against the current. the return trip took 3 hours. find the speed of the boat in still water and the speed of the current. if possible, show your steps

asked by jacob on June 9, 2019
100. ## Math

A box contains 3 red marbles, 6 blue marbles, and 1 white marble. The marble are selected at random, one at a time, and are not replaced. Find the probability. P(blue and red) Please help me

asked by Lisa on February 2, 2012