# 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 764
1. ## Physics

A woman on a bridge 75.0m high sees a raft floating at a constant sped on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 7.00m more to travel before passing under the bridge. The stone

asked by Irish on January 18, 2012
2. ## math

please check my answers A number cube with the numbers 1 through 6 is rolled. Find the given probability. 1. P(number < 2) (1 point) A. 1/6 *** B. 2/6 C. 4/6 D. 3/6 2. P(number ≥ 3) (1 point) A. 4/6 **** B. 1/6 C. 2/6 D. 5/6 3. P(complement of 4) (1

3. ## PHYSICS help!!!!!!

A commuter train travels between two downtown stations. Because the stations are only 1.36 km apart, the train never reaches its maximum possible cruising speed. During rush hour the engineer minimizes the travel time t between the two stations by

asked by neeba on September 14, 2012
4. ## Physics

A hemispherical bowl of radius R is rotated about its axis of symmetry which is kept vertical. A small block is kept in the bowl at a position where the radius makes an angle Θ with the vertical. The block rotates with the bowl without any slipping. The

asked by Kewal on January 2, 2012
5. ## physics 180A

A large spring is placed at the bottom of an elevator shaft to minimize the impact in case the elevator cable breaks. A loaded car has mass 480kg, and its maximum height above the spring is 11.8m. In order to minimize the shock, the maximum acceleration of

asked by Nabby on October 2, 2011
6. ## physics

A 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.16 kg) and embeds itself in block 2 (mass 1.85 kg). The blocks end up with speeds v1 = 0.560 m/s and v2 = 1.36 m/s (Figure (2)).

asked by Kasie on May 9, 2012
7. ## math

find the constant of proportionality and unit rate for the data in the table. Then write the equation to represent the relationship between time t and distance d Time Distance 2 hrs 90 miles 3 hrs 135 miles 5 hrs 225 miles 6 hrs 270 miles I don't

asked by gwen on May 12, 2014
8. ## Geometry

A company produces cardboard boxes with the top, bottom and sides measuring 5 feet. It costs the company 4 cents a square foot to make each box. The square footage is determined by finding the area of all six sides of the box. Find the cost to make 100

asked by Jack on August 27, 2011
9. ## physics

As some molten metal splashes, one droplet flies off to the east with initial speed vi at angle θi above the horizontal, and another droplet flies off to the west with the same speed at the same angle above the horizontal, as inthe figure. In terms of vi

asked by Anonymous on February 18, 2011
10. ## chemistry

A 12.0g sample of carbohydrate contain 4.50g of carbon, 3.25g of oxygen, and some hydrogen. Determine the percent by mass of hydrogen in your product. Find the empirical formula for a compound that consists of aluminum and chlorine in which the aluminum is

asked by jhong on March 13, 2012
11. ## math

A real estate company has a fleet of cars. The annual operating cost per car is C = 0.25m + 1300, where m represents the number of miles traveled per year. Find the maximum number of miles that each car can travel per year to yield an operating cost of no

asked by Kenny on August 4, 2016
12. ## physics

A car is speeding at 25 m/s in a school zone. A police car starts from rest just as the speeder passes and accelerates at a constant rate of 5 m/s2. How fast is the police car traveling when it is 25 m behind the speeding car? I honestly don't know where

asked by TiffTaff on January 25, 2015
13. ## science

find the gravitational force exerted by the sun on a 70 kg man located at the earth's equator a)at noon when the man is closest to the sun. b)at midnight when he is futherst from the sun. c)calculate the diferrence in gravitational acceleration due to the

asked by albert on January 21, 2016
14. ## Algebra 1

A ball is thrown upward with an initial velocity of 35 meters per second from a cliff that is 80 meters high. The height of the ball is given by the quadratic equation h = -49t^2 + 35t + 140 where h is in meters and t is the time in seconds since the ball

asked by Sherry on March 7, 2013
15. ## statistics

on a typical summers day a boat company hires rowing boats at a rate of 9 per hour. a)find the probability of hiring out at least 6 boats in a randomly selected 30 minute period. b) the company has 8 boats to hire and decides to hire them out for 20 minute

asked by sohaila on September 29, 2014
16. ## Calculus - Rates of Change

A water tank has a shape of an inverted cone with a base radius of 2m and a height of 4 m. If water is being pumped into the tank at a rate of 2m3/min, then find the rate at which the water level is rising when the water is 3m deep. Attempted solution: V=

asked by Melissa on March 7, 2016
17. ## statistics

. For the table that follows, answer the following questions: x y 1 -1 2 -5 3 -9 4 - Would the correlation between x and y in the table above be positive or negative? - Find the missing value of y in the table. The missing value of y = How would the values

asked by mom on October 4, 2012
18. ## Physics

A weather vane initially at rest has a moment of inertiaof 0.100 kg-m2about its axis of rotation. A 50.0 g pieceof clay is thrown at the vane and sticks to it at a point20.0 cm from the axis. The initial velocity of the clay is 15.0 m/s, directed

asked by Clinton on November 24, 2013
19. ## Maths

These questions are about permutations and combination: Find the number of ways in which a class of 20 children can be divided into two groups of 6 and 14 if the class has a set of twins who are inseperable. (ans. is 21624) Four books are taken from a

asked by Claire on October 8, 2008
20. ## Science ( physics )

A balloon is rising with a velocity of 4.9 m/sec releases an object from height of 96 m. a) How long after its release will the object reach the ground? b) what is the velocity of the object as it hits the ground? The object has in intial vertical

asked by Margie on August 1, 2006
21. ## physics

Two crates are connected by a massless rope that passes over a pulley as shown in the figure below. If the crates have mass 32 kg and 80 kg, find their acceleration. If the system begins at rest, with the more massive crate a distance 11 m above the floor,

asked by kj on February 21, 2009
22. ## stats.

In a transportation study of 20 large cities, it was found that the mean of the number of cars per person was 0.504. (Some of the people in the city are children.) The study also stated that the standard deviation s was 0.123. Find a 95 % confidence

asked by chris on April 4, 2013
23. ## Physics

An alloy of mass 225g is heated to 550C. It is quickly placed in 450g of water at 12C. The water is contained in an aluminum calorimeter cup of mass 210g. The final temperature of mixture is 31.7C. Specific heat of aluminum is 0.215 cal/gC. Find the

asked by Tsunayoshi on February 3, 2014
24. ## statistics

Can someone guide me on how to solve this problem: A sample of 52 night students ages is obtained in order to estimate the mean age of night school students. sample mean = 25.9 years. the population variance is 23. Give a point estimate for the mean. Find

asked by concy on January 21, 2012
25. ## More Rational Exponents!

1. The optimal height h of the letters of a message printed on pavement is given by the formula . Here, h= (0.00252d^(9/4))/e d is the distance of the driver from the letters and e is the height of the driver’s eye above the pavement. All of the

asked by Brady on February 14, 2014
26. ## Physics

An object of mass M = 884 g lies on a table. It is free to move along a horizontal, frictionless surface. This object is connected to a second object that hangs along the slide of the table by a massless string that runs over a pulley and connects both

asked by Nala on October 14, 2009
27. ## algebra

An airplane encountered a head wind during a flight between Joppetown and Jawsburgh which took 5 hours and 30 minutes. The return flight took 5hours. If the distance from Joppetown to Jawsburgh is 1600 ​miles, find the airspeed of the plane​ (the

asked by Brandy on February 7, 2017
28. ## physics

As some molten metal splashes, one droplet flies off to the east with initial speed vi at angle θi above the horizontal, and another droplet flies off to the west with the same speed at the same angle above the horizontal, as inthe figure. In terms of vi

asked by natalie on October 15, 2010
29. ## chemistry

how much thermal energy is needed to raise 500.0g of H2O at 50.0*C to steam at 100.0*C? step by step solution and answer!!???!! answer? You have to be kidding. Are you taking a quiz and want to turn it in? Goodness. Find the heat in each of the following.

asked by crystine cole on April 12, 2007
30. ## Math

I'm doing some word problems on finding the areas of rectangles, its just like all complicated. I don't understand how to do them. For example: A square field had 3 m added to its length and 2m added to its width. The area is 90 m2(squared). Find the

asked by Michelle on April 29, 2009
31. ## Calc 1

A rectangular storage container with an open top is to have a volume of 10 m3. The length of the base is twice the width. Material for the base is thicker and costs \$13 per square meter and the material for the sides costs \$10 per square meter. Find the

asked by TayB on May 3, 2015
32. ## Probability & Statistics

You want to rent an unfurnished one-bedroom apartment in Boston next year. The mean monthly rent for a random sample of 14 apartments advertised in the local newspaper is \$1200. Assume that the standard deviation is \$230. Find a 95% confidence interval for

asked by James on July 9, 2012
33. ## algebra

Brandon starts running from the starting line of a track at a speed of 10 ft. per second. 60 seconds later david starts from the same point and runs in the same direction at a speed of 12 per second Let y represent brandons time and let x represent davids

asked by Vianey on December 12, 2011
34. ## Physics - Projectile Motion

A ball rolls horizontally off the edge of a tabletop that is 1.60 m high. It strikes the floor at a point 1.58 m horizontally away from the table edge. (Neglect air resistance.) (a) How long was the ball in the air? ___ s (b) What was its speed at the

asked by TechnoBoi11 on February 1, 2007
35. ## Trig functions

The average depth of the water in a port on a tidal river is 4m. At low tide, the depth of the water is 2m. One cycle is completed approximately every 12h. a)Find an equation of the depth, d(t)metres, with respect to the average depth, as a function of the

asked by REALLY URGENT on April 30, 2014
36. ## Ashford

Often, after graduation, students report that they can barely remember some of the concepts they studied in school. This is particularly true if a difficult concept is introduced. As asymptotic notation is perhaps one of the most difficult concepts to

asked by Sarah on March 19, 2013
37. ## Algebra

(I answered a couple of them but am not confident on my answers, so can you please tell me if my answers are not correct to the ones I answered and for the ones I haven not answered that is because I do not know how to do them. PLEASE HELP!!! This

asked by LeAnn/Needs turned in within an hour on November 17, 2009
38. ## english

Reactionary : Progress:: a. misanthrope : people b. zealot : revolution c. virtuoso : perfection d. laggard : iniquity e. charlatan : diversity d? Decorum : Conventional:: a. innovation : variegated b. depravity : surreptitious c. subjugation : desultory

asked by anonymous on December 8, 2006
39. ## statistics

Ok, so I'm trying to do this for my exam review. I get some of it, but not all: An electric utility is examining the relationship between temperature and electricity use in its service region on warm days. The utility has bivariate data detailing the

asked by peter on May 15, 2010
40. ## Precalculus(NEED HELP ASAP PLEASE!!)

PLEASE HELP!! csc(theta)= -3/2 3pi/2 < theta < 2pi Find: sin(theta)= _____ ? cos(theta)= _____ ? tan(theta)= _____ ? cot(theta)= _____ ? sec(theta)= _____ ?

asked by jh on March 28, 2010
41. ## science "Genetics" Mendel

You are studying genetics in domestic chickens (Gallus gallus) and you find a mutant with no wings. Assume that the mutant wingless phenotype is due to a mutation at a single gene. In contrast to mammals, chickens use ZZ/ZW sex-linkage. That is, male

asked by grad2013 on April 2, 2013
42. ## math check please

Approximately 4 out of every 10 students at Sonia's college live on campus. The college has 3,000 students. 1. How many of them live on campus? A 1,200 students 2. Write the proportion 21 is to 33 as 63 is to 99. A. 21/33 =63/99 3. is this fraction

asked by tony on January 18, 2007
43. ## Physics

In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 45 m/s (about 100 mi/h) in a time of 7.0 s. The combined mass of the car and riders is 5.5 × 103 kg. Find the average net force

asked by Rash on September 27, 2018
44. ## math

The amount of pollution, A (in part per million), present in the air outside a factory on a recent weekday is represented by the equation A= -t^2+16t+6, where t is the number of hours after 7 AM. (a) find the Times (in radical form) when there were 42

asked by Evy on November 18, 2013
45. ## physics

A brass lid screws tightly onto a glass jar at 20 oC. To help open the jar, it can be placed into a bath of hot water. After this treatment, the temperature of the lid and the jar are both 60 oC. The inside diameter of the lid is 8.0 cm at 20 oC. Find the

asked by joy on September 23, 2010
46. ## Classics

I am doing an essay on Aristophanes Clouds and The Trial and Death of Socrates by Plato. I am trying to find differences in the types of education Socrates provides? I am unclear whether he actually charges a fee in Plato ( it seems that he doesn't) ? It

asked by S on August 10, 2010
47. ## physics

A digital audio compact disc carries data along a continuous spiral track from the inner circumference of the disc to the outside edge. Each bit occupies 0.60 mm of the track. A CD player turns the disc to carry the track counter-clockwise above a lens at

asked by Anonymous on November 5, 2012
48. ## Physics

A vibrating structural beam in a spacecraft can cause problems if the frequency of vibration is fairly high. Even if the amplitude of vibration is only a fraction of a millimeter, the acceleration of the beam can be several times greater than the

asked by Cooper on November 17, 2011
49. ## English

Using colons The special exhibit on birds contains the following types: prehistoric birds, seabirds, and domestic birds. The letter we wrote to the museum began Dear Sir: Please let us know when the special exhibition on penguins will be shown at your

asked by Anonymous on March 3, 2014
50. ## English

Ative stage ideas for teaching english. You know games, word games, study games, but realy games and ideas that make them speak alot. I looking for a plethora of them. Have found 3 here two there but Im looking for a link that is the treaure trove of

asked by Island boy on March 25, 2009
51. ## Calculus

The ride has 100 metres of fencing to make a rectangular enclosure as shown. link for the image imageshack com /a/img909/2881/WTnncK.jpg It will use existing walls for two sides of the enclosure, and leave an opening of 2 metres for a gate. a Show that the

asked by Pre Calculus on March 17, 2015
52. ## Chemistry

PLEASE help because I'm really confused on how to do the entire thing. I don't know how to find the mL. Am I suppose to do anything with the 250mL? A person stops in every day and orders 250 mL of house coffee at precisely 95°C. but enough milk at 10°C

asked by Chad on September 25, 2014
53. ## physics

A digital audio compact disc carries data along a continuous spiral track from the inner circumference of the disc to the outside edge. Each bit occupies 0.60 mm of the track. A CD player turns the disc to carry the track counter-clockwise above a lens at

asked by Anonymous on November 4, 2012
54. ## HELP!!!

If gCrisis,h as the families call this center, puts a visitor in mind of a safe haven, it is nearly the last haven one will find. What does this sentence mean? I am confusing to understand it... Please tell me. One mile is 5280.How many feet is five

asked by ashlee on November 13, 2006
55. ## Grammar (Ms. Sue)

Rewrite the sentences below that contain errors in pronoun-antecedent agreement. If a sentence is correct, write "correct." 1. Max is learning skills that you need to be an astronaut. 2. Some of my friends wrote to NASA in his spare time to find out how to

asked by Anonymous on May 20, 2013
56. ## bonar law

Colonel Harry a. Froboess of Switzerland jumped upward and outward from a windonw of a blimp and landed in a body of water on June 22, 1936. His jump was 120m, about the height of a 40-storey building. The path of his jump can be represented by the

asked by tina on December 5, 2010
57. ## physics

A pinball machine launches a 139 g ball with a spring-driven plunger. The game board is inclined at 8 ◦ above the horizontal. Assume: The plunger’s mass and frictional effects are negligible. The acceleration of gravity is 9.8 m/s2 Find the force

asked by Anonymous on December 7, 2015
58. ## calculus

A corporation starts to invest part of its revenue continuously at rate of P dollars per year in a fund for future expansion plans. Assume the fund earns money at an annual interest rate, r, compounded continuously. The rate of growth of the amount A in

asked by Anna on February 6, 2018
59. ## phys urgent!

A particle leaves the origin with a speed of 2.4 times 10^6 m/s at 38 degrees to the positive x axis. It moves in a uniform electric field directed along positive y axis. Find Ey such that the particle will cross the x axis at x = 1.5 cm if the particle is

asked by kenzie on September 2, 2014
60. ## Algebra

I posted this earlier but the number was wrong. I don't know why it didn't post the other pie symbol. And ofcourse the extra pie throws me off! A large grain silo is to be constructed in the shape of a circular cylinder with a hemisphere attached to the

asked by Ashton on September 12, 2014
61. ## AP US History

I am doing a report on the Connecticut River Valley colony for history. I am supposed to be a surveyor in the first half of the 18th century and i am supposed to tell the advantages and disadvantages the the colony would be. I am supposed to include things

asked by anonymous on September 26, 2009
62. ## Algebra

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. 37 said they drove alone. 38 rode in a carpool. 25 rode public transportation. 6 used both carpools and public transportation. 10 used both a

asked by Monica on November 9, 2011
63. ## Logarithms

I need help evaluation the following: 1.) (1/15)^2.309 It says hint: set the expression = x and take the logs of both sides. I did: x=(1/15)^2.309 logx = log(1/15)^2.309 = 2.309 log(1/15) and I don't know how to proceed or if I'm on the right track. 2.)

asked by Amy on September 4, 2012
64. ## Geometry - Circles and tangents

Two circles of radius 1 are externally tangent at Q . Let PQ and QR be diameters of the two circles. From P a tangent is drawn to the circle with diameter QR , and from R a parallel tangent is drawn to the circle with diameter PQ . Find the distance

asked by Knights on March 21, 2013
65. ## chemistry

sorry to keep bugging you, but if it makes you feel better i am understanding it more. what if you have the same numbers, but you are trying to find the concentration of an UNKNOWN acid. all you have is: Volume of Unknown Acid Volume of Stock Solution

asked by Vanessa on October 31, 2008
66. ## Electricity

For the circuit in series: E=100v Resistor 1 = 3 kΩ Resistor 2 = 4 kΩ Resistor 3 = 1 kΩ, p= 200mW Resistor 4 = R find the following quantities: a. The circuit currents b. The total resistance of the circuit c. The value of the unknown resistance, 6. d.

asked by anonymous on March 4, 2019
67. ## physics

A 120-V motor has mechanical power output of 3.00 hp. It is 94.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Find the energy delivered to the motor by electrical transmission in 2.00 h of operation. Do

asked by blast on August 17, 2010
68. ## Science

We are doing a science fair and we are unsure of what our aim/investigation should be. However we know we want to do something with fingerprints. What can we do? Why don't you examine the prints of twins? Why don't you examine the prints of twins? What?

asked by Angie + Amy on June 12, 2007
69. ## Phy

The index of refraction for a diamond for red light of wavelength 655 nm is 2.35, while that for blue light of wavelength 437 nm is 2.26. Suppose white light is incident on the diamond at 29.5. Find the angle of refraction for red light. Answer in units

asked by Joila on February 18, 2012
70. ## math

a company was charged \$290 for 13 frames. it was charged \$430 for 20 frames. A. use the coordinates (13,290) and (20,430) to write a linear equation in point slope form that gives the relationship of the cost to the number of frames B. find the cost for 25

asked by chchch on July 5, 2012
71. ## Algebra

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. 37 said they drove alone. 38 rode in a carpool. 25 rode public transportation. 6 used both carpools and public transportation. 10 used both a

asked by Monica on November 9, 2011
72. ## trig

Find all solutions to the following triangle. (Round your answers for angles A, C, A', and C' to the nearest minute. Round your answers for sides a and a' to two decimal places. If either triangle is not possible, enter NONE in each corresponding answer

asked by janice on November 16, 2012
73. ## Survery of Modern and Contemporary Art

I have to compare and contrast Rococo Architecture and Art Nouveau with political elements as well as historical relevance. I am having troubles finding information on these. Could you help me compare and contrast these, political elements and historical

asked by Pamela on May 2, 2009
74. ## Math

Tiffany is using wooden cubes to make rectangular prisms. if she has exactly 8 wooden cubes, make a model to find the length, width, and height of the two possible rectangular prisms. i don't quite understand the question so can u help me comprehend what

asked by Angelina on March 29, 2015
75. ## trig

Find all solutions to the following triangle. (Round your answers for angles A, B, A', and B' to the nearest minute. Round your answers for sides a and a' to the nearest whole number. If either triangle is not possible, enter NONE in each corresponding

asked by janice on November 16, 2012
76. ## math

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. How many are not using any of the three? 35 said they drove alone. 24 rode in a carpool. 33 rode public transportation. 5 used both carpools

asked by dee on February 13, 2012
77. ## math

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. How many are not using any of the three? 35 said they drove alone. 24 rode in a carpool. 33 rode public transportation. 5 used both carpools

asked by dee on February 14, 2012
78. ## Calculous Pre

A population grows from 11,000 to 15,000 in three years. Enter your answers to three decimal places. Assuming the growth is exponential, find the growth rate and continuous growth rate Growth rate ______ %? Continuous rate _________ %?

asked by Serena on October 3, 2014
79. ## math

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. How many are not using any of the three? 33 said they drove alone. 29 rode in a carpool. 35 rode public transportation. 6 used both carpools

asked by Anonymous on February 6, 2012
80. ## Algebra2

Can these get checked. Find the slope of the straight line that passes through the given points or state that the slope is undefined. Then indicate if the line through the points rises (left to right), falls (left to right), is horizontal, or is vertical.

asked by Victoria on November 28, 2012
81. ## Algebra

a round trip flight of 1037.5 miles takes 7 1/2 hours. The part of the flight with the wind takes 1 1/2 less than the other part of the trip. Find the speed of the plane in still air and the speed of the wind. I have no idea how to do, can u give me a lead

asked by Niruuuu on January 19, 2015
82. ## algebra

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. 36 said they drove alone. 31 rode in a carpool. 32 rode public transportation. 6 used both carpools and public transportation. 7 used both a

asked by ella on August 11, 2012
83. ## Algebra

a round trip flight of 1037.5 miles takes 7 1/2 hours. The part of the flight with the wind takes 1 1/2 less than the other part of the trip. Find the speed of the plane in still air and the speed of the wind I have no idea how to do this...a little bit

asked by Niruuuu on January 19, 2015
84. ## math

Elaine purchased a new copy machine and financed it for one year. The installment price was \$3824.25 and the cash price was \$3565. Find the amount of finance charge using the formula Finance charge = Installment price – Cash price.

asked by Francine on September 8, 2013
85. ## Geometry

1. Twyla's pet cat weighs 8lb. Her pet hamster weighs 12 ounces. What is the ratio of her cat's weight to her hamster's weight? 2. The non-right angles of a right triangle are in the ratio 1:5. Write the equation that could be used to find the measure of

asked by Chelsey on October 6, 2013
86. ## math

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. How many are not using any of the three? 33 said they drove alone. 34 rode in a carpool. 29 rode public transportation. 8 used both carpools

asked by Eunice P on August 12, 2012
87. ## Math

The prompt for this question is f(x) =sin(x^2) A)Write the first four terms of the Maclaurin series for f(x) B)Use the Maclaurin series found in Part A to approximate the integral from 0 to 1 of sin(x^2) dx C)How many terms are needed to find the value of

asked by Anon on February 4, 2018
88. ## TRIGONOMETRY

Can you please help me with this question on my study guide for my trig final? Thanks! I'd also appreciate if you can check out my other postings and check my work for some other study guide questions. I want to make sure I'm ready for my final. :) 3. The

asked by Kate on May 16, 2013
89. ## algebra

A jogger leaves home and runs at a constant speed of 4 miles per hour. Nine minutes later, a bicyclist follows along the same route at a constant speed of 15 miles per hour. Find the bicyclist's travel time needed to catch the jogger.

asked by Alice on September 1, 2011
90. ## trigonometry

a surveyor 1standing on a highway observed the angle of elevation of the airplain as 22.5°. at the same time, a surveyor 2 observed the angle of elevation of the same airplane to be 30°. if the airplane was 850m directly above a point on the highway,

asked by betty on January 12, 2015
91. ## Algebra

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. How many are not using any of the three? 32 said they drove alone. 34 rode in a carpool. 31 rode public transportation. 7 used both carpools

asked by Sue Jackson on August 20, 2012
92. ## social studies

1. What encourages Mexican workers to come to the United States, and how do these workers affect Mexico’s economy? i have the first part where it says why mexicans come to the united states which is to find better job opportunities but, i just dont get

asked by owan on November 16, 2018
93. ## Chemistry

Known: Cyanaocetic acid Ka=3.55*10^-3 ionization equation: HC3H2NO2 H^+ + C3H2NO2^- Unknown: pH of 0.4M of Cyanaocetic acid I can't figure out how to calculate this. I only knew how to calculate the pH value of an acid with a known Ka, but not in this

asked by anonymous on April 20, 2009
94. ## maths

can some one help me on how i work these qustions out..i need to simplify and write out the full solutions. 2x + 4 / 2 and 2x^2 / x^3 I'm not sure what you mean by write out the full solutions but If that means find x... the first one is simplified and

asked by kat on August 13, 2007
95. ## algera 1

lucy makes and sells photo albums her monthly expenses are 600\$ plus 2\$ for each album she sells. her income for each album sold is 10\$ the inequality belowcan be used to find the least number of albums lucy should see so that her income is greater than

asked by richelle on November 16, 2011
96. ## math

Sarah collects money for charity while treat-or-treating. This year she collected \$15.80. Last year she collected \$14.25. Find the percent increase for Sarah's collection from last year to this year to the nearest percent. \$15.80-\$14.25=\$1.55 difference

asked by Elle on October 24, 2013
97. ## Math

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows: 33 said they drove alone. 31 rode in a carpool. 37 rode public transportation. 9 used both carpools and public transportation. 6 used

asked by Keturah on August 5, 2013
98. ## Trig

A force of 323 newtons makes an angle of 54 degrees and 20 minutes with a second force. The resultant of the two forces makes an angle of 39 degrees forty minutes with the first force. Find the magnitude of the second force. I have the answer, 814.3022,

asked by Brittany on October 19, 2010
99. ## Math

If the width of a window is (x+7) inches and the length is (x+9) inches, then give the expression which represents the area of the window use the formula area=base.Height. if ×=8 inches, find the area of the window using the expression you found in part a

asked by Jared on May 13, 2016
100. ## Math (HELP ASAP!)

1. Find the slope of the line that passes through (-2,1), (1,10). a. 3 b. -3 c. 1/3 d. -1/3 2. Which equation represents a direct variation? What is the constant variation? a.3y = 2x + 1; 1 b.y = -5x - 11; 5 c.4y = -12x; -3 d.y + 7 = 2x - 1; 7 3. Suppose y

asked by Catalena on April 25, 2017