# 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 755
1. ## Java

NEED HELP! I would like to create a class for finding the voltages of 1, 2 or even 4 batteries. The Class can be called BatteryVoltage with a default voltage value of 1.5 (AA Battery) Must allow the user to find the total voltage of batteries when

asked by Jordan on October 26, 2014
2. ## Physics

A 0.60kg basketball is dunked vertically downward so that it leaves the [layer's hand at 8m/s. Assume it is released when the bottom of the ball is at the rim (3.05 meters off the ground). a). find acceleration of the ball once it leaves the player's hand

asked by Jake on November 19, 2013
3. ## Statistics

A survey of physicians in 1979 found that some doctors give a placebo to patients who complain of pain for which the physician can find no cause. If the patients' pain improves, these doctors conclude that it had no physical basis. The medical researchers

asked by Tim on November 20, 2015
4. ## JAVA PROGRAMMING

NEED HELP! I would like to create a class for finding the voltages of 1, 2 or even 4 batteries. The Class can be called BatteryVoltage with a default voltage value of 1.5 (AA Battery) Must allow the user to find the total voltage of batteries when

asked by JORDAN on October 25, 2014
5. ## physics

A 49-kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Find the force (magnitude and direction) exerted on her by the bungee cord at an instant when her downward acceleration has a magnitude

asked by brian on January 27, 2011
6. ## Math

Use the Remainder Theorem to determine if x-2 is a factor of the polynomial f(x) =3x^5 -7x^3-11x^2 +2 I feel like I went too far or messed up please help The binomial (x-2) is not a factor because the remainder does not equal 0 when factored out, it equals

asked by katt on December 11, 2017
7. ## math

The table lists data regarding the average salaries of several professional athlethes in the years 1991 and 2001 A) use the data points to find a linear functions that fits the data Year Salary 1991 \$272,000 2001 \$1,480,000 B) what would the salary be in

asked by Jen on January 27, 2010
8. ## Physics

Two boxes are connected by a light string that passes over a light, frictionless pulley. One box rests on a frictionless ramp that rises at 30° above the horizontal (see the Figure below), and the system is released from rest. (a) Which way will the 50kg

asked by David on March 4, 2016
9. ## physics induced voltage

A 500 turn solenoid with a length of 20 cm and a radius of 1.5 cm carries a current of 2.0 A. A second coil of four turns is wrapped tightly about this solenoid so that it can be considered to have the same radius as the solenoid. Find the following when

10. ## Physics

High-speed stroboscopic photographs show that the head of a 197 g golf club is traveling at 36.8 m/s just before it strikes a 45.9 g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 25.9 m/s. Find the speed

asked by josh on February 26, 2013
11. ## physics

a vertical dock gate is 5m wide and is hinged at 1m from the base of the dock. the dock has sea water with density of 1025 kg /m^3 to a depth of 7.5 on one side and fresh water to depth of 3m on the other side a) find the resultant horizontal force b)

asked by moody on January 13, 2014
12. ## Physics

A 0.60kg basketball is dunked vertically downward so that it leaves the [layer's hand at 8m/s. Assume it is released when the bottom of the ball is at the rim (3.05 meters off the ground). a). find acceleration of the ball once it leaves the player's hand

asked by Jake on November 19, 2013
13. ## physics

High-speed stroboscopic photographs show that the head of a 192 g golf club is traveling at 44.4 m/s just before it strikes a 45.9 g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 28.7 m/s. Find the speed

asked by luma on December 19, 2015
14. ## college algebra

Use a calculator to help solve the problem. The intensity I of light (in lumens) at a distance x meters below the surface is given by I = I0 k x, where I0 is the intensity at the surface and k depends on the clarity of the water. At one location in the

asked by Dee on November 4, 2013
15. ## Chemistry

Suppose a piece of lead with a mass of 14.9 g at a temperature of 92.5 C is dropped into an insulated container of water. The mass of water is 165 g and its temperature before adding the lead is 20.0 C. What is the final temperature? I know that I have to

asked by Anonymous on August 23, 2007
16. ## tough physics question

A 500 turn solenoid with a length of 20 cm and a radius of 1.5 cm carries a current of 2.0 A. A second coil of four turns is wrapped tightly about this solenoid so that it can be considered to have the same radius as the solenoid. Find the following when

17. ## statistics

The starting salaries of a random sample of three students who graduated from North Carolina State University last year with majors in the mathematical sciences are \$45,000, \$50,000, and \$40,000. Find a point estimate of the population mean of the starting

asked by Quintunya on March 16, 2013
18. ## Physics

High-speed stroboscopic photographs show that the head of a 197 g golf club is traveling at 36.8 m/s just before it strikes a 45.9 g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 25.9 m/s. Find the speed

asked by colby on March 5, 2013
19. ## physics induced voltage

A 500 turn solenoid with a length of 20 cm and a radius of 1.5 cm carries a current of 2.0 A. A second coil of four turns is wrapped tightly about this solenoid so that it can be considered to have the same radius as the solenoid. Find the following when

20. ## Java

I would like to create a class for finding the voltages of 1, 2 or even 4 batteries. The Class can be called BatteryVoltage with a default voltage value of 1.5 (AA Battery) Must allow the user to find the total voltage of batteries when installed as a

asked by JORDAN on October 28, 2014
21. ## Physics

Figure 8-33 shows a 1.50 kg block at rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 10.0 cm that has a

asked by Holy Grail on March 31, 2010
22. ## physics

You are on an archaeological dig and discover a strange artifact. It is a utensil that appears to be carved out of an elephant's tusk You analyze it and discover that it has 0.625 the amount of carbon-14 you would find in a living specimen. 1.How many

asked by Jason on August 15, 2013
23. ## computer science

I would like to create a class for finding the voltages of 1, 2 or even 4 batteries. The Class can be called BatteryVoltage with a default voltage value of 1.5 (AA Battery) Must allow the user to find the total voltage of batteries when installed as a

asked by JORDAN on October 28, 2014
24. ## statistics

The general manager for Gordon's Self Service Gasoline is interested in estimating the mean number of gallons of gasoline that are purchased by customers at their Philadelphia location. He would like his estimate to be within plus or minus 0.50 gallons,

asked by Melvin on April 18, 2012
25. ## physics

Dolphins of the open ocean are classified as Type II Odontocetes (toothed whales). These animals use ultrasonic "clicks" with a frequency of 54.9 kHz to navigate and find prey. Suppose a dolphin sends out a series of clicks that are reflected back from the

asked by Peyton on December 3, 2014
26. ## physics

a window with a smooth hinge at the top is held open at an angle 30 degrees to the vertical by a horizontal force applied to the center of it lower edge. the force of gravity on the window is 3kgf acting through its mid point. draw a scale diagram of the

asked by Moses on October 10, 2014
27. ## Logarithms

1. Find the amount of time required for an investment to double at a rate of 12.3% if the interest is compounded continuously. MY ANSWER: 5.635 yrs 2. Solve e^(0.2x) < 21.2 by using natural logarithms. MY ANSWER: X

asked by Jackie on August 12, 2009
28. ## Calculus

Someone already asked this question but did not understand the answer given at all. Writing to Learn: In a certain video game a cursor bounces back and forth horizontally across the screen at a constant rate. Its distance d from the center of the screen

asked by Maxwell on March 21, 2011
29. ## English

I have to write 4 sentences using an adverb and 4 using a preposition. Could you please check? I will list the adverbs first. 1.I'm sure he let the dog come in last night. 2.We watched the balloons floating far above our heads. 3.The bus drove past the

asked by Jim on October 27, 2010
30. ## english

SYNONYMS WORD MATCH WORD 1.FIND PLACE 2.HELP HALT 3.FOE LIKE 4.GRAND ENEMY 5.ENJOY HURRY 6.UNSALF TRIP 7.SIMPLE GREAT 8.PUT TOTE 9.DASH PLUMP 10.GO RIGHT 11.STOP HIKE 12.JOURNEY GRAB 13.STUFFED WITTY 14.FUNNY EASY 15.CARRY LEAVE 16.WALK ASSIST 17.FIRM

asked by sahil on November 12, 2009
31. ## English

Romeo and Juliet! Explain and evaluate the literary device- I have chosen the quote “Indeed, I never shall be satisfied With Romeo, till I behold him—dead— Is my poor heart for a kinsman vexed. Madam, if you could find out but a man to bear a poison,

asked by Um on February 14, 2018
32. ## soil mechanic

In order to determine the average permeability of a bed of sand 12.5 m thick overlying an impermeable stratum, a well was sunk through the sand and a pumping test carried out. After some time the discharge was 850kg/min and the drawdowns in observation

33. ## Social Studies

On the eve of the French Revolution, the French Monarchy's greatest problem was: A. Losing a war with Great Britain B. The inability to handle finances and collect suffecient taxes. C. A conflict with the Pope. D. The discontent of the rural poor. I have

asked by Keith on August 17, 2007
34. ## Science Word

Is cell theory is 1. the mayjor theory of life science 2. the cell is the basic unit of life 3. organisms are made up of one or more cells 4. all cells come from other cells I know it's 1 Im justing sure it's more than a answer. You (Ms. Sue) said that I

asked by Laruen on November 15, 2011
35. ## Maths

Statistics The marks scored by a sample of 56 students are summarised by: N=56 Sum of x =3026 sum of(x-the mean)^2 =15378 A) calculate the mean and the standard deviation Mean I got - 54.04 (2.dp) Standard deviation I got - 16.72 (2.dp) Is this correct? B)

asked by Anonymous on November 15, 2015
36. ## Maths

Statistics The marks scored by a sample of 56 students are summarised by: N=56 Sum of x =3026 sum of(x-the mean)^2 =15378 A) calculate the mean and the standard deviation Mean I got - 54.04 (2.dp) Standard deviation I got - 16.72 (2.dp) Is this correct? B)

asked by Anonymous on November 15, 2015

A paperweight, when weighed in air, has a weight of W = 6.95 N. When completely immersed in water, however, it has a weight of Win water = 4.26 N. Find the volume of the paperweight. Would I multiply the two values of weight and then by the density of

asked by Hannah on June 21, 2012
38. ## math [basic trig]

Sam and Markus are standing on level ground 100m apart. A large tree is due North of Markus and on a bearing of 065degrees from Sam. The top of the tree appears at an angle of elevation of 25 degrees to Sam and 15 degrees to Markus. Find the height of the

asked by matt on March 25, 2008
39. ## Statistical inference

Suppose the results for stat 201 in 2014 are normally distributed with mean 160 and standard deviation 18 . Find the probability that a random sample of size 36 gives a sample mean value in the following cases Question : between 120 and 220 p(120 < z <

asked by Manngopo on August 2, 2015
40. ## Calculus

A recording camera is located 2500 feet from the launch pad for recording a rocket launch. As the rocket lifts off, the angle of elevation of the camera increases 4 degrees per second while recording the launch. Find the instantaneous velocity and

asked by BA on November 16, 2012
41. ## Math

Mrs. Scott decided that she would spend more no more than \$120 to buy a jacket and a skirt.If the price of jacket was \$20 more than 3 times the price of the skirt.Find the highest possible price of the skirt. I have the answer but they add another variable

asked by Brandon on December 5, 2016
42. ## Physics Honors

A car travels due east with a speed of 60.0 km/h. Rain is falling vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 45.0° with the vertical. Find the velocity of the rain with respect to the car

asked by Kristen on October 16, 2010
43. ## c++

Your Mathematic school teacher want to use a program that can read the name and the mark of a student. Your teacher want the program to automatically find the grade of the mark and display the result(name, mark and grade). Help your teacher to develop a

asked by sarah on October 11, 2012
44. ## algebra

The volume V of a gas varies inversely as the pressure P on it. If the volume is 250 cm3 under a pressure of 35 kg/cm3, solve for the pressure applied to have a volume of 180 cm3. Be sure to define your variables, find your constant variable, construct

asked by Anonymous on April 30, 2017
45. ## Calculus

1. Use the Mean Value Theorem to find an x-value where the instantaneous slope=average slope over the given interval: f(x)=(9-x^2)^(1/2) on [-3,2] I have done three chapters of Calculus already and I never have had to check for extraneous roots. So, my

asked by Isabella on January 16, 2016
46. ## Stats

Suppose that a random sample of adults has a mean score of on a standardized personality test, with a standard deviation of . (A higher score indicates a more personable participant.) If we assume that scores on this test are normally distributed, find a

asked by Anonymous on November 19, 2011
47. ## Social Studies

Why did Washington and his troops cross the Delaware River in small boats on Christmas night, 1776? A. The weather was good and the troops hoped to find a sheltered place to rest. B. Washington was leading them to a surprise attack on the British at

asked by Aralyn on November 10, 2016
48. ## physics!

An Alaskan recue plane drops a package of emergency rations to a stranded party of explorers, as illustrated. The plane is traveling horizontally at 100.0m/s at a height of 50.0 m above ground. What horizontal distance does the package tral before striking

asked by emily on December 9, 2008
49. ## Algebra

A 36-meter rope is divided into three pieces. One piece is twice as long as the shortest piece, and the third piece is 1 meter longer than four times the shortest piece. Find the length of the shortest piece.

asked by Kelsey on October 15, 2016
50. ## math

the length of a rectangle is 5 ft more than twice the width. a)if x represents the width of the rctangle, represent the perimeter of the rectangle in terms of x. b) if the perimeter if the rectangle is 2 ft more than eight times the width of the rectangle,

asked by anthony on September 12, 2009
51. ## Calculus II

I need to find if the summation of (n^4)/(n^10 + 1) is convergent or divergent from n=1 to infinity. I tried splitting it up into two sums, one being 1/n^6, which would be convergent because p=6>1, and then the other being n^4, but I'm not sure how to know

asked by Laura on April 4, 2017
52. ## math

A rocket is stopped 12 feet from a satellite when it begings accelerating away from the satellite at a constant rate of 12 feet per second. The distance between the rocket and the satellite is given by the polynormial P(t)= 6t^2+12. Find the distance

asked by ReRe on February 8, 2010
53. ## ochem

A sample of Limonene has a specific rotation of +76.9. What is the % ee and molecular composition of this sample? R(+)- is +125.6 and S (-)- 122.1. I'm confused I don't know whether I should divided by 125.6 or 122.1. %ee=(76.9/125.6)*100=61%. Is this

asked by bjisa on November 13, 2010
54. ## Trig

A ship leaves its homeport and sails on a bearing of N28degrees10'E. Another ship leaves the same port at the same time and sails on a bearing of S61degrees50'E. If the first ship sails at 24.0 mph and second sails at 28mph, find the distance between the

asked by SK on November 28, 2010
55. ## Science

The following heats of formation are used to find the change in enthalpy for the formation of tin chloride in the following reaction Sn (s) + 2Cl2(g) --> SnCl4(l).Sn(s) + Cl2(g) --> Sn Cl2(l) DH = -186.2 kJSnCl2(s) + Cl2(g) --> SnCl4(l) DH = -325.1 kJWhat

asked by Mary on April 7, 2013
56. ## college algebra

store mixes a Brazilian coffee worth worth \$10 per kilogram and a turkish coffee worth \$13 per kilogram. The mixture is to sell for \$12 per kilogram. Find out how much of each should be used to make a 420-kilogram mixture. my calculations all came out

asked by college on August 22, 2014
57. ## Calculus/Physics

A spring has a natural length of 10in. An 800lb force stretches the spring to 14in. A. Find the force constant B. How much work is done in stretching the spring from 10 to 12 inches? C. How far beyond its natural length will a 1600lb force stretch the

asked by Tim on May 2, 2014
58. ## Pre-Cal

Angles of elevation to an airplane are measured from the top and the base of a building that is 40 m tall. The angle from the top of the building is 37°, and the angle from the base of the building is 40°. Find the altitude of the airplane. (Round your

asked by Kendall on November 28, 2012
59. ## physics

A machine part rotates at an angular speed of 0.38 rad/s; its speed is then increased to 3.46 rad/s using an angular acceleration of 0.61 rad/s2. Find the angle through which the part ro- tates before reaching this final speed. Answer in units of rad

asked by phys101 on October 21, 2011
60. ## trgonometry

a tower and a monumement stand on a level plane. The angles of depression of the top and bottom of monument as viewed from the top of the tower are 13 degree and 31 degree respectively. If the height of the tower is 145 ft.,find the height of the monument

asked by eekim on July 12, 2011

Kallisto built a rectangular sign that measured 2 3/4 feet in length by 1 1/2 feet in width. To find the area, multiply the length and width. what is the area of the sign in square feet? Write an equation to solve. 2 3/4 1 1/2 +2 3/4 1 1/2 =11/1/2 ------

asked by Beverly on March 5, 2015
62. ## physics

An elevator with a wieght of 27.8 kN is given an upward acceleration of 1.22 m/s^2 by a cable. a) what is the tension in the cable. b) what is the tension when the elevator is declerating at the rate of 1.22m/s^2 but is still moving upwards? what exactly

asked by Chris on November 13, 2006
63. ## Chemistry

Consider the following reaction: CO(g)+2H2(g)⇌CH3OH(g) This reaction is carried out at a specific temperature with initial concentrations of [CO] = 0.27 M and [H2] = 0.49 M. At equilibrium, the concentration of CH3OH is 0.11 M. Find the equilibrium

asked by Donnie on June 16, 2016
64. ## Physics

Clap your hands and estimate the energy and power released as sound waves. I know Kinetic energy= 1/2*m*v^2 and Power is KE/t but how do I find the velocity of the sound wave made from clapping my hands? and for the mass do I use the mass of my hands?

asked by Allie on August 13, 2011
65. ## Math

A cell phone company charges a monthly fee of \$17.95 and \$0.03 per minute Write an equation that represents the cost (c) for using the cell phone for minutes (m) Use your equation from part a to find the cost for using the phone for 150 minutes

asked by Gina on April 28, 2014
66. ## physics

A canoe of mass 70 kg with a paddler of mass 55 kg are in a river. If the river's current exerts a force of 15 N [E] while the paddler is paddling with an average force of 22 N [N38degreesW], find the acceleration of the canoe and paddler. Use both a

asked by Jess on April 7, 2011
67. ## physics

A ray of light traveling in air strikes the surface of a liquid. If the angle of incidence is 33.5◦ and the angle of refraction is 19.8◦, ﬁnd the critical angle for light traveling from the liquid back into the air. Answer in units of◦

asked by angel on April 1, 2012
68. ## Calculus

I need to find the slope of the graph of the function at the given point. Function: f(theta)=4sin(theta)-(theta) Point: (0,0) I tried finding the derivative of the function at theta=0, but I got 0 for an answer. I checked the answer in the back of my book

asked by Corin on September 3, 2007
69. ## Math

During the first part of a trip, a bicyclist travels 56 miles at a certain speed.The return trip is made at a speed that is 6 mph slower. Total time for the round trip is 16hr. Find the bicyclist's speed on each part of the trip.

asked by Ethan on July 13, 2018
70. ## investment

A certain amount of money is invested at 6% per year. A second amount is P5000 larger than the first is invested at 8% per year. The interest from the investment at the higher rate exceeds the income from the lower investment by P500. Find the investment

asked by HELP HELP MNHS on November 28, 2012
71. ## Math

1. Determine the equation of the right bisector of the line segment E(2, 6) and F(4, -2). Draw the diagram. 2. Given three points D(2, 5) E(-2, -3) and F(4, -6) determine whether or not the line through D and E is perpendicular to the line through E and F.

72. ## Math

1. you deposit \$200 into a savings account with interest compounded. annually, the expression 200(1+R)^ 2, where R is the interest rate, gives the account balance after 2 years. Expand this expression and simplify. Find the account balance if R=0.04.

asked by MountainDew on June 9, 2009
73. ## Math

In your​ class, you have scores of 73,85,76, and 92 on the first four of five tests. To get a grade of Upper C, the average of the first five tests scores must be greater than or equal to 70 and less than 80. a) Solve an inequality to find the least

asked by Ms. E on September 30, 2015
74. ## Algebra 1a

I posted this early, I don't understand the answer, Two angles are complementary. The sum of the measure of the first angle and one-fourth the second angle is 87.75 degrees. Find the measures of the angles? What is the measure of the smaller angle? What is

asked by Johnny on May 21, 2010
75. ## physics 1

The base of a pyramid covers an area of 13.0 acres (1 acre = 43,560 ft2) and has a height of 481 ft. If the volume of a pyramid is given by the expression V = (1/3)bh, where b is the area of the base and h is the height, find the volume of this pyramid in

asked by jojo on January 21, 2016
76. ## algebra1

M varies directly with n; m=144 when n=8. What is the constant of variation k? I don't know what this mean. Could you help me out in solving this/ A statement such as "M varies directly with n" can be changed to the equation M=kn, where k is a constant.

asked by cheryl on March 29, 2007
77. ## Math

Devon purchased tickets to an air show for 9 adults and 2 children. The total cost was \$252. The cost of a child's ticket was \$6 less than the cost of an adult's ticket. Find the price of an adult's ticket and a child's ticket.

asked by Anonymous on June 3, 2013
78. ## physics

A bat emits a sound whose frequency is 83.6 kHz. The speed of sound in air at 20.0 oC is 343 m/s. However, the air temperature is 36.0 oC, so the speed of sound is not 343 m/s. Assume that air behaves like an ideal gas, and find the wavelength of the sound

asked by Anonymous on January 21, 2013
79. ## probabilities

A bag contains 3 green balls. 2 red balls and a white ball. A boy randomly draws balls from the bag one at a time (with replacement) until a red ball appears. Find the probability that he will make at least 3 draws.

asked by joanna on November 20, 2012
80. ## SAT math

The population of a city can be modeled using the formula P=100,000e^(0.05t), where t is the number of years after 2012 and P is the city's population. Which of the following equations can be used to find the number of years after 2012 that the population

asked by Anonymous on May 4, 2016
81. ## statistics

the monthly sales at a computer store have mean of \$25,000 and a standard deviation of \$4,000. profits are calculated by multiplying sales ny 30% and subtracting fixed cost of \$60,000. find the mean and standard deviation of monthly profit

asked by yetunde on November 1, 2012
82. ## Accelerated 1

You earn 10 points for every coin you collect in a video game.Then you find a star that triples your score. Write an expression for the number of points you earn from the points.Simplify an expression for the total number of points you can earn.

asked by Kehlani on February 6, 2017
83. ## math

JILL NEEDS RIBBON TO WRAP GIFTS . THE RIBBON SELLS FOR \$2 Per Yard , And Jill Needs 24 Inches Of Ribbon For Each Gift .Which equation could be used to find r , the amount of ribbon in yards , jill should purchase a. r = (36 Divided by 3)(24times2) b. r =2

asked by Jay;a on April 13, 2014
84. ## investment

A certain amount of money is invested at 6% per year. A second amount is P5000 larger than the first is invested at 8% per year. The interest from the investment at the higher rate exceeds the income from the lower investment by P500. Find the investment

asked by HELP HELP MNHS on November 28, 2012
85. ## physics

A canoe of mass 70 kg with a paddler of mass 55 kg are in a river. If the river's current exerts a force of 15 N [E] while the paddler is paddling with an average force of 22 N [N38degreesW], find the acceleration of the canoe and paddler. Use both a

asked by Jess on April 6, 2011
86. ## Science- PLEASE, this is due tomorrow for test!

What is the section of EMS of satellite phones? What wavelength and frequency does it use? are there any dangers in using it? What is the wavelength and frequency of pagers? are there any dangers in using it? Is there any danger in using cordless phones?

asked by Lily on October 23, 2008
87. ## Calculus

The position (feet traveled) of a car is given by the equation s(t)=(1/4)t^2+1 find the time when the car is going the same speed as its average speed over the interval 0 to 10 seconds t=0 t=2.5 t=5 t=10 Never I think it's either t=5 or t=2.5? The end

asked by Calc help on December 19, 2018
88. ## PHYSICS

A basket is being dragged across a horizontal floor by two horizontal rope A and B which are inclined at 36 degree and 27 degree respectively with the direction in which the basket is moving.Rope A has a tension of 20Newton.Find the tension in rope B and

asked by TOSIN on September 4, 2015
89. ## Statistics

9. Assume the weight, W, of a randomly selected adult has a normal distribution with a mean of 175 pounds and a standard deviation of 10 pounds.. Find the probability, P(W < 190), that a randomly selected adult weighs less than 190 pounds.

asked by Josh on December 13, 2011
90. ## math

Bob’s Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 7x3 + 6x2 – 6x – 3. The shop estimates their costs for that quarter to be given by 6x2 – 9x + 9. For the second quarter, find and simplify a

asked by Sparrow on March 4, 2012
91. ## physics

A wrecking ball is hanging at rest from a crane when suddenly the cable breaks. The time it takes for the ball to fall halfway is 1.6 seconds. Find the time it takes for the ball to fall from rest all the way to the ground.

asked by nj on September 16, 2008
92. ## friction

A 40 kg slab rests on a friction less floor.a 10 kg block rests on top of the slab.the coefficient kinetic friction between the block and the slab is 0.40.a horizontal force of 100N is applied on the 10 kg block.find the resulting acceleration of the slab.

asked by mahesh on September 28, 2014
93. ## Algebra

On the first part of a trip to Carmel traveling on the​ freeway, Marge averaged 70 mph. On the rest of the​ trip, which was 25 mi longer than the first​ part, she averaged 60mph. Find the total distance to Carmel if the second part of the trip took

asked by Ruby on November 27, 2016
94. ## Math

Devon purchased tickets to an air show for 9 adults and 2 children. The total cost was \$252. The cost of a childʹs ticket was \$6 less than the cost of an adultʹs ticket. Find the price of an adultʹs ticket and a childʹs ticket.

asked by Anonymous on June 3, 2013
95. ## Calc

The figure (which is not pictured, sorry) shows the slope field for y =.2(9-y^2). Make a sketch of the solution using the initial value y(-4)=-2. Find the function f(x) that this solution curve is approaching as x-->infinity. I need help with finding the

asked by Alice on March 30, 2017
96. ## Math

A lottery prize worth \$1,000,000 is awarded in payments of \$10,000 five times a year for 20 years. Suppose the money is worth 20% compounded five times per year. What is the formula used to find the present value of the prize?

asked by Nick on December 12, 2010
97. ## algebra

The function D (t) = 16t^2 to the second power – 140t gives the distance a car going a certain speed will skid in t seconds. Find the time it would take for the car to skid 170 feet. The time to skid 160 feet is __________ seconds.

asked by mm on January 31, 2016
98. ## phycis

a bullet of mass 0.01kg is fired into a sandbag of mass 0.49kg handing from atree.the sandbag with the bullet embedded into it swing away at 10m/s find: a.the momentum after collision b.the momentum before the collision c.the velocity of the bullet

asked by najma on February 15, 2013
99. ## Physics

A projectile is shot from the ground at an angle of 60 degrees with respect to the horizontal, and it lands on the ground 5 seconds later. Find: a. the horizontal component of initial velocity b. the vertical component of initial velocity c. initial speed

asked by nam maurer on November 23, 2011
100. ## algebra-word problem

Flying to Kampala with a tailwind a plane averaged 158 km/h. On the return trip the plane only averaged 112 km/h while flying back into the same wind. Find the speed of the wind and the speed of the plane in still air. TIA

asked by jen on March 23, 2008