# 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 818
1. ## math

A particle, which remains at rest, is acted on by three forces F, G, and H. The force F has magnitude 6N and is directed to the right and up, making an angle of 20' with the vertical. The force G has magnitude 15N and is directed to the right and down,

asked by s17 on February 5, 2017
2. ## Physics

How do you convert a distance time graph to a velocity time graph. In my first distance time graph, i have 3 curves, two are above the x axis the the middle curve is under the x axis. i am confused on how to change this graph into a velocity time graph

asked by Ruth on September 16, 2014
3. ## algebra

find the value of x and y x+y=12 45x+52y=561 a sporting goods store sold right hand and left hand batting gloves.12 were sold in a one month period for \$561.right handed gloves are \$45 and left handed gloves are \$52.how many of each were sold? Please only

asked by jennifer on May 31, 2007
4. ## physics

you find it takes 200N of horizontal force to move an empty pickup truck along a level road at a speed of 2.4m/s. you then load the pickup truck and pump its tires so that its total weight increases by 42% while the coefficient of rolling friction

asked by ashley on October 8, 2010

Teacher had us to find the verb and/or action verb in sentences. She said there would be either one of each or 2 action verbs in the sentence. What are the verbs/action verbs in these sentences. 1. His car hit a wall in the world's first car accident. 2.

asked by Traci on May 6, 2009
6. ## Math/157

A human gene carries a certain disease from the mother to the child with a probability rate of 53%. That is, there is a 53% chance that the child becomes infected with the disease. Suppose a female carrier of the gene has three children. Assume that the

asked by anony on March 20, 2010
7. ## Math Ms. Sue please

6. Use the function rule ƒ(x) = x2 – 5x + 1. Find the output ƒ(–3). (1 point) 7 –5 25 5 7. Suppose you earn \$12 each time you mow the lawn. Use function notation to describe the relationship between your total earnings E and the number of times m

asked by Delilah on May 2, 2013
8. ## Calculus

Gloria would like to construct a box with volume of exactly 45ft^3 using only metal and wood. The metal costs \$15/ft^2 and the wood costs \$6/ft^2. If the wood is to go on the sides, the metal is to go on the top and bottom, and if the length of the base is

asked by Dave on November 4, 2015
9. ## Physics

A crate (weight 381 N) is lowered vertically a distance of 3.0 m by two ropes at a constant speed of 1.2 m/s. The tension in rope A is TA = 248 N; the rope makes an angle of ƒÆA = 63‹ with the horizontal. Rope B makes an angle of ƒÆB = 55‹ with

asked by Monica on October 27, 2007
10. ## Algebra

The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acre-feet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature,

asked by Kim on October 23, 2014
11. ## physics

A block of mass m is initially at rest at the top of an inclined plane with a height = 4.4 m which makes and angle of θ = 17 degrees with respect to the horizontal. It is observed to be traveling at v = 0.2 m/s a distance d after the end of the inclined

asked by carlo on October 7, 2013
12. ## statistics

A company assembles drills using components from two sources. Acemart supplies 91% of the components and Begud supplies the rest. It is known that 6% of the components supplied by Acemart are faulty and 3% of those supplied by Begud are faulty. a)

asked by Nabiha on December 3, 2011
13. ## health care law

who, if anyone, is at fault when a 21 year old injuries his finger and request that an orthopedic doctor perform the surgery. After a second surgery, circulation could not be restored and the finger had to be amputated. After the amputation, the patient

asked by lida on November 19, 2010
14. ## maths

A town council intended to spend \$70000 on buying trees. Because of the size of the order the supplies reduced the price of each tree by \$10 and the council now decided to spend only \$60000. If the number of trees finally obtained is 100 more than the

asked by kim jung hee on September 2, 2013
15. ## Math

Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y. x 7 7 5 5 7 y 95 90 75 85 95 (a) Complete the preliminary calculations: SS(x), SS(y), and SS(xy). Incorrect: Your answer is incorrect. . (SS(x))

asked by DeeDee on May 29, 2013
16. ## MATH

Five years ago, you bought a house for \$151,000, with a down payment of \$30,000, which meant you took out a loan for \$121,000. Your interest rate was 5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the following

asked by TRAY on August 12, 2012
17. ## Chemistry

How do I find the total vapor pressure of a solution of benzene (mole fraction 0.350, vapor pressure at 25 degrees = 12.7 kPa) in toluene at 25 degrees. (vapor pressure of toluene at 25 degrees = 3.79 kPa)

18. ## Math - intersection of planes

You are given the following two planes: x+4y-3z-12=0 x+6y-2z-22=0 a) Determine if the planes are parallel b) Fine the line of intersection of the two planes. c) Use the two original equations to determine two other equations that have the same solution as

asked by Shaila on September 4, 2010
19. ## Statistics

An urn contains three yellow,four green and five blue balls. Two balls are randomly drawn without replacement. Find the probability of the following events: a.both balls are blue. b.the first ball is green and the second yellow. c.there is one green and

asked by Dominiq on November 18, 2015
20. ## Chemistry

Answer the following for a face centered unit cell. r = 6.0. how do i find the following edge in terms of r, the lattice pt radius face diagonal in terms of r, the lattice pt radius body diagonal in terms of r, the lattice pt radius

asked by Mary on February 15, 2010
21. ## Maths

A total of 80 pupils take part in a mathematics test and the average score was 69 marks. Given the average score of the boys was 75 marks and the average score for the girls was 65 marks. find the number of boys who took the test.

asked by Isarah on May 10, 2015
22. ## algebra

The intensity I of light bulb measured in watts per square meter (w/m^2), varies inversely as the square of the distance d from the light bulb . . suppose I is 45 w/m^2 when the distance is 5 m . find the intensity when the distance from the light bulb is

asked by Ann on May 15, 2015
23. ## Precaculculus

Suppose you are told that log(2)=0.3562 and log(3)=0.5646. All of them with the base of 'a'. Find: i) log(6) ii) log(9) Solutions i) log(6)= log (3)(2) = log 3 + log 2 = 0.5646 + 0.3562 = 0.9208 ii)log(9)= log 3^2 = 2 log 3 = 2 (0.5646) = 1.1292

asked by Aron on August 3, 2015
24. ## MATH

The cumulative number of car accidents from 2000 to 2010 can be modeled by the quadratic expression, C=-42x^2+924x+14,112, where x=1 corresponds to 2001, and so on until x=11 corresponds to 2010. Find the number of cumulative car accidents in 2003. Use the

asked by ANGEL on April 29, 2012
25. ## Math

An ice cream shop owner wants to find out what new flavor of ice cream he should sell in his shop. Which method would be the BEST way for the owner to do this? A) Determine which flavor is the best selling now. B) Visit all the other ice cream store and

asked by Hannah on March 27, 2018
26. ## MATH

The cumulative number of car accidents from 2000 to 2010 can be modeled by the quadratic expression, C=-42x^2+924x+14,112, where x=1 corresponds to 2001, and so on until x=11 corresponds to 2010. Find the number of cumulative car accidents in 2003. Use the

asked by ANGEL on April 29, 2012

A bicycle wheel has a radius of 0.330 m and a rim whose mass is 1.20 kg. The wheel has 50 spokes, each with a mass of 0.010 kg. a.) Calculate the moment of inertia of the rim about the axle. b.) Determine the moment of inertia of any one spoke, assuming it

asked by Janelle on March 10, 2010
28. ## chemistry URGENT (2)

Label each of the following reactions as exothermic or endothermic ("exo" or "endo"), and according to whether work is done on or by the system ("on" or "by")? Note that no "en-on" cases appear here, as these are always thermodynamically unfavourable.

asked by Anonymous on November 16, 2008
29. ## physics

A transport plane takes off from a level landing field with two gliders in tow, one behind the other. The mass of each glider is 700n , and the total resistance (air drag plus friction with the runway) on each may be assumed constant and equal to 2600n .

asked by erl on October 24, 2011
30. ## Math

I haven't done factoring in ages I'm trying to factor this X^2 - 2X + 8 If i remeber correctly sense the leading coefficent is 1 the factored form is in this format (X-A)(X-B) which would give you X^2 -AX - Bx + AB or simply X^2 -(A+B)X +AB so then in my

asked by Kate on January 3, 2010
31. ## physics

A transport plane takes off from a level landing field with two gliders in tow, one behind the other. The mass of each glider is 700 , and the total resistance (air drag plus friction with the runway) on each may be assumed constant and equal to 2600 . The

asked by erl on October 24, 2011
32. ## Chemistry HELP

In a constant-pressure calorimeter, 50.0 mL of 0.300 M Ba(OH)2 was added to 50.0 mL of 0.600 M HCl. The reaction caused the temperature of the solution to rise from 21.73 °C to 25.82 °C. If the solution has the same density and specific heat as water,

asked by wisa bedalie on October 18, 2014
33. ## physics

A light–rail commuter train draws 645 A of 590–V DC electricity when accelerating. What is its power consumption rate in kilowatts? How long does it take to reach 30.0 m/s starting from rest if its loaded mass is 4.50×104 kg, assuming 91.0% efficiency

asked by Joe on September 13, 2014
34. ## chemistry

Label each of the following reactions as exothermic or endothermic ("exo" or "endo"), and according to whether work is done on or by the system ("on" or "by")? Note that no "en-on" cases appear here, as these are always thermodynamically unfavourable.

asked by Anonymous on November 16, 2008
35. ## Last equations question

The line y=0.15x+0.79 represents an estimate of the average cost of gasoline for each year. The line 0.11x-y=-0.85 estimates the price of gasoline in January of each year (Bureau of Labor Statistics, 2006). a)Do you expect the lines to be intersecting,

asked by Anna on October 25, 2009
36. ## Geography

#49. It has been said that Eastern Europe is a political region more than a physical region. Would you agree or disagree with this statement? You must provide a solid argument for your position. hmm...I agree that Eastern Europe is not so much a distinct

asked by y912f on February 15, 2010
37. ## physics

a boy tosses a coin upward with a velocity of 14.7 m/s. a. find the maximum height reached by the coin. b. time of flight c. velocity when the coin returns to the hand d. suppose the boy failed to catch the coin and the coin goes to the ground, with what

asked by jenalyn calimag on July 31, 2013
38. ## Physics

A pool ball initially traveling 5 m/s strikes a second pool ball of identical mass in a totally elastic collision. After the collision the first ball has veered off its original path and is now traveling at 3 m/s. Find the speed and angle of each pool ball

asked by Mary on April 9, 2012

please check my answers and thanks have a nice day. 2.which of the following ratios is equivalent to 5/20 A.1/4(I PICKED THIS) B.1/5 C.20/100 D.2/5 3.which of the following ratios is ((NOT)) equivalent to 4/8? A.1/2 B.2/4 C.20/45(I PICKED THIS) D.12/24

asked by Matt on January 16, 2014
40. ## Chemistry

Experiment 1: A has .20 M, B has .20 M and the initial rate is 2.0*10^-4M/min Experiment 2: A has .20 M, B has .40 M, and the initial rate is 8.0*10^-4M/min Experiment 3: A has .40 M, B has .40 M, and the initial rate is 1.6*10^-3M/min Using the data

asked by Finn on August 20, 2015
41. ## Physics

1. A test charge of +2x10^-7 C is located 5 cm to the right of a charge of +1x10^-6 C and 10 cm to the left of a charge of -1x10^-6 C. The three charges lie on a straight line. Find the force on the test charge? 2. A charge of -2x10^-9 C in an electric

asked by konan on February 6, 2009
42. ## math

As a fundraiser a school club is sellin posters. The printer charges a \$24 set up fee plus \$o.20 for each poster. Then the cost y in dollars to print is given by the linear equation y=0.20x+24 A. The printing of 50 posters cost? The printing cost of 100

asked by pam on April 7, 2014

Find the distance a ball covered in a specific time if it was dropped from the top of a building that 324 meter high. Assume if the gravitational acceleration is 10 meters per second squared. I filled everything except the question marks in the table.

asked by Mae on January 11, 2016
44. ## Math

Could someone work this question out so I understand it. Thanks The marginal price dp/dx at x units of demand per week is proportional to the price p. There is no weekly demand at a price of \$100 per unit [p(0)=100], and there is a weekly demand of 8 units

asked by Jules on April 25, 2011
45. ## Physics - Science

Imagine a hollow sphere of radius R and mass M. It is welded to the end of a solid rod of length L, whose mass is also M. The rod is attached to the sphere in such a way that the whole assembly, when viewed from the side, looks like a lollipop. (That is,

asked by Roxy on April 16, 2007
46. ## math,factoring,help

Can someone please show me step by step how to do these. I've read the book and there examples and It is just not clicking. Directions: Factor each of the following polynomials completely Problem:#1 14x^2-20x+6 Directions:Find all positive values for "K"

asked by Jasmine20 on January 31, 2007
47. ## Algebra

Dolores is standing on a horizontal ground level with the base of the Statue of Liberty in New York City. The angle formed by the ground and the line segment from her position to the top of the statue is 26.3°. The height of the Statue of Liberty is

asked by Beep Beep Im a Sheep on June 4, 2019
48. ## college physics

An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a magnitude of 6.5 N; a second force has a magnitude of 3.9 N and points in the negative y direction. Find the direction

asked by anne on September 24, 2012
49. ## math

The kinectic energy E, of a toy car is directly proportional to the square of its velocity v. The difference in the kinectic energy of the toy car when it is travelling at 15cm/s and 20cm/s in 10 J. Find the kinectic energy of the toy car when it is

asked by Vinitha on June 11, 2012
50. ## physics

An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a magnitude of 5.1 N; a second force has a magnitude of 4.3 N and points in the negative y direction. Find the direction

asked by anonymous on October 15, 2011
51. ## physics

An object acted on by three forces moves with constant velocity. one force acting on the object is in the positive x direction and has magnitude of 6.5 N, a second force has a magnitude of 4.4 N and points in the negative direction. Find the direction and

asked by taylor on November 6, 2011
52. ## English 150

I have a one page essay due tomorrow morning. I need someone to proof read this for me if you don't mind. I am looking to make sure i have everything in MLA format, correct grammar, etc and it sounds right. Any help would be so appreciated! Here goes....

asked by amy on December 1, 2009
53. ## resources for education young children part 3

I have three questions hope you can help 2. Which one of the following statements regarding the use of software in class is true? a) the emphasis of the program should be solely on repletion b) it should allow children to make their own decisions rather

asked by beth on July 23, 2011
54. ## chemistry

1. Find the pH of a solution whose [H3O+] is 9.5 X 10^ -8 M. 2. What is the [H3O+] concentration of a solution with a pH of 5.45? 3. What is the pOH of a solution with a [OH -] concentration of 2.97 X 10^ -10 M?

asked by kellin on May 14, 2012
55. ## math

the mass of 3 dictionaries and 2 textbook is 8 kg and the mass of 3 dictionaries and 3 textbook is 9 kg. find the mass of 5 textbooks?

asked by murtaza on September 19, 2016
56. ## math

the perimeter of a rectangle is 56 m. the width of the rectangle is 4 m less than the length. find the length and width of the rectangle

asked by ulol on December 9, 2014
57. ## algebra

the numerator of a fraction is 5 less than the denominator.if 1 is added to both the numerator and the denominator the fraction becomes 2/3. find the fraction

asked by abdul basit on November 22, 2012
58. ## Math

Cost of 4 books and 5 pens is 32 and cost of 5 books and 4 pens is 31 then find the cost of 1 book B=?

asked by Ehtisham rajput on October 12, 2017
59. ## algebra

find the slope and the y intercept 8-1/5y=10x -y/5=10x-8 y/5=-10x+8 y=-50x+40 slope=-50 & y intercept=40 am I right? thanks

asked by Chrysanne on December 20, 2009
60. ## statistics

Find the p-value for each test statistic. a. Right-tailed test, z=+1.34 b. Left-tailed test, z=−2.07 c. Two-tailed test, z=−1.69

asked by kim on September 13, 2010
61. ## Maths

The numerator of a fraction is 5 less than the denominator. If 1 is added to both the numerator and denominator the fraction would become 2/3. Find the fraction

62. ## math

the mass of 3 dictionaries and 2 textbook is 8 kg and the mass of 3 dictionaries and 3 textbook is 9 kg. find the mass of 5 textbooks?

asked by murtaza on September 19, 2016
63. ## math

If cos 3 theta=sin 30 find the value of theta without using a calculator Is theta = sin 30/ cos 3 = 10

asked by Jenette on March 14, 2015
64. ## algebra

the sum of 4 times a number and -2 is equal to the sum of 5 times the number and -2. find the number.

asked by Sylvia on March 20, 2019
65. ## Math (trig)

In ABC, sin A equals 2/3 , sin B equals 4/5 , and side a equals 20 Find side b?

asked by Sally on March 21, 2010
66. ## MATHS

THREE NUMBERS ARE IN AP AND THEIR SUM IS 24 IF THE FIRST NUMBER IS DECREASED BY ONE SECOND NUMBER IS DECREASED BY TWO THEN THE NEW NUMBERS ARE IN GP FIND THE NUMBERS

asked by LINGARAJ on October 24, 2017
67. ## Maths

The numerator of a fraction is 7 less than the denominator. If the numerator is increased by 2 and the denominator by 9,we again get the same fraction. Find the fraction.

asked by Nazal on January 4, 2017
68. ## Math

The first angle of a triangle is five less than the measure of the second. The measure of the third angle is half the measure of the second. Find the measure of each angle.

asked by Jg on September 26, 2016
69. ## stats

If 95% of all people between 21 and 50 have had at least one adult beverage in their life, find these probabilities for a sample of 10 people in that age group: a) Exactly 10 have had an adult beverage b) At least 6 have had an adult beverage c) At most 8

asked by AMber on August 4, 2012
70. ## Science

Find the amount Atoms and the total amount of elements for each formula HCl 2 elements and 2 atoms H2SO4 3 elements 7 atoms KI 2 elements 2 atoms H2O 2 elements 3 atoms

asked by M on January 6, 2015
71. ## Science

You are trying to determine how far it is to your new friends house. You find out that you actually live on the same street. You also use the same bus stop. Google maps says that your house is 24 meters south of the shared bus stop. Your friend said that

asked by Anonymous on April 15, 2015
72. ## Networks, Matrices, Linear equations.

x y A(0.2 0.8)3000 B(0.5 0.5)2000 C(0.7 0.3)5000 Where A, B, C are countries, and x and y are resorts. The Matrix represents the percent of visitors. I need to use this matrix which I have worked out to find the number of visitors who visit X (X and Y are

asked by M on March 6, 2016
73. ## calculus

1. A solid is constructed so that it has a circular base of radius r centimeters and every plane section perpendicular to a certain diameter of the base is a square, with a side of the square being a chord of the circle. a. Find the volume of the solid. b.

asked by Yuri on March 25, 2012
74. ## Public and community health

Find national, state, and local governmental health agency websites that address the issue from the Article Review assignment. · Document your findings based on the University of Phoenix Material: Website Review. · Write a 700- to 1,050-word summary of

asked by Anonymous on February 7, 2011
75. ## Written Analysis

I would really appreciate help with a paper i'm having mental block with! The should be a paper on a topic that is hotly debated in American society and the article should be written by an author with an opposing view to my own. The article should include

asked by keri on October 7, 2011
76. ## physics

A string with linear mass density μ = 0.0279 kg/m under a tension of T = 183 N is oriented in the x-direction. Two transverse waves of equal amplitude and with a phase angle of zero (at t = 0) but with different frequencies (ω = 3420 rad/s and ω/3 =

asked by linda on July 13, 2014
77. ## physics

A string with linear mass density μ = 0.0279 kg/m under a tension of T = 183 N is oriented in the x-direction. Two transverse waves of equal amplitude and with a phase angle of zero (at t = 0) but with different frequencies (ω = 3420 rad/s and ω/3 =

asked by Lema on July 14, 2014
78. ## social studies

I need help checking my question. Explain why the Confederacy spared Washington d.c from being destroyed? my answer. Washington was surrounded by strong fortifications and was filled to the brim with Union troops and because they did it to scare the

asked by dude on February 19, 2015
79. ## Science

I need a disgram on how electricty works. I need the whole process on how its created and how its genertaed ect. Suppose I know nothing on electricity. But I don't want a dry cell electricty, I want a diagram on hydor, of coal, or something like that.

asked by Gina on January 10, 2007
80. ## history

I need to find Sir John A. MacDonald birth certificate or job application http://www.jiskha.com/display.cgi?id=1163541475 what is the name for the combined houses of the missouri legislature

asked by joe on December 11, 2006
81. ## Physics

A lighted candle is placed 38 cm in front of a diverging lens. The light passes through the diverging lens and on to a converging lens of focal length 10 cm that is 5 cm from the diverging lens. The final image is real, inverted, and 19 cm beyond the

asked by Ali on August 3, 2015
82. ## physics

The potential energy of a particle on the x-axis is given by U= 8xe ^-x ^2/19 where x is 1 meter and U is in Joules. Can you explain for me how to find the point on the x-axis for which the potential is a maximum or minimum and is this answer a point of

asked by jon on November 21, 2009
83. ## math

A picture is copied onto a sheet of paper 8 inches by 10 inches. A 1 inch margin is left all around the picture. Find the length, width, and area of the picture. the length is 10 and the width is 8 but i don't understand how the 1 inch margin comes into

asked by Cali on May 19, 2016
84. ## chemistry

A gas mixture is composed of 4.3 grams of hydrogen (density at STP = 0.089 g/L) and 2.9 grams of helium (density at STP = 0.179 g/L). What is the percentage (v/v) helium in the mixture? If v/v = Volume of gas/total volume how would we find the volume of

asked by Anon on November 13, 2014
85. ## physics

In the figure we see two blocks connected by a string and tied to a wall, with theta = 33°. The mass of the lower block is m = 1.0 kg; the mass of the upper block is 2.0 kg. The tension of the string connecting the blocks is 5.337. Find the tension in the

asked by Kate on July 28, 2010
86. ## math,algebra

Is this correct Business and finance. The simples interest I on a principle of P dollars at interest rate r for time t, in years, is given by I= Prt. Find the simple interest on a principal of \$6000 at 3% for 2 years. Simple Interest = Principle x Rate x

asked by Jasmine20 on December 11, 2006
87. ## probability

FUNCTIONS OF A STANDARD NORMAL The random variable X has a standard normal distribution. Find the PDF of the random variable Y, where: 1. Y=3X-1 , Y = 3X - 1 answer: fY(y)=1/3*fX*(y+1/3) f_ Y(y)=1/3*f_ X*(y+1/3) 2. Y=3X^2-1. For y>=-1, Y = 3X^2 - 1. For y

asked by RVE on March 17, 2015
88. ## math

a political discussion group consists of five Democrats and six Republicans. Four people are selected to attend a conference. A.in how many ways can four people be selected from this group of eleven? B.In how many ways can four Republicans be selected from

asked by marie s on August 23, 2011
89. ## math

For a field trip 22 students rode in cars, and the rest filled eleven buses. Which equations would you use to find how many students (s) rode buses if 287students were on the trip? a. 287-22s=11 b. 287=22+11S C. 11S-22=287 D. 22=11S-287

asked by vera on February 10, 2013
90. ## math

In 6 hours,an experienced cook prepares enough pies to supply a local restaurant's daily order. Another cook prepares the same number of pies in 7 hours. Together with a third cook, they prepare the pies in 2 hours. Find how long it takes the third cook to

asked by sam on December 4, 2012
91. ## Calc Help

C'(x)= 60sqroot(x+1) FC= 340 R'(x)=80x Finding profit or loss from production and sale of 3 units and 8 units. C(x)=40(x+1)^3/2+300 R(x)=40x^2 P(x)= R(x)-C(x) Are my integrations correct and how would i find profit or loss? INtegrations are correct.

asked by Evan on April 10, 2007
92. ## math-calc

Consider the function f(x)= (2x+8)/(6x+3). For this function there are two important intervals: (-inf, A) (A, inf) and where the function is not defined at A . Find A For each of the following intervals, tell whether is increasing (type in INC) or

asked by mkcolema on March 13, 2009
93. ## statistics

A set of data consists of 90 observations between 350 and 950. a) What rule would you use to find the number of classes? Use this rule to determine the number of classes? b) What formula would you use to determine the class width or length? Use that

asked by pat on February 9, 2013
94. ## physics

A 2,200-kg car moving east at 10.0 m/s collides with a 3,000-kg car moving north. The cars stick together and move as a unit after the collision, at an angle of 35.0° north of east and at a speed of 5.16 m/s. Find the speed of the 3,000-kg car before the

asked by king on December 13, 2015
95. ## Algebra

the table shows the results of a survey of college students. find the probability that a student's first class of the day is a humanities class, given the student is female. First class of the day for college students male female humanities 70 80 science

asked by Kathryn on May 19, 2014
96. ## Algebra 2

A box contains 4 blue golf tees, 2 red ones, 1 yellow tee, and 3 white ones. Two tees are randomly drawn from the box. Find the probability of choosing a blue tee followed by a red one, if the first tee chosen is returned to the box before choosing the

asked by Megan on February 28, 2012
97. ## math

The the Hanson's have reduced the average number of hours they watch tv each day from 5.5 hrs. in march to 2.5 hrs. in june. Find the rate of change in average number of hrs. they watch tv each day. I think the answer is rate = 5.5 - 2.5/3 rate = 3/3 rate

asked by andrea on February 13, 2011
98. ## trigonometry

a space shuttle pilot flying toward the suez canal finds that the angle of depression on one end of the canal is 38.5 degree and the angle of depression to the other end is 52.75 degree. if the canal is 100.6 mi long, find the altitude of the space

asked by riza on December 10, 2012
99. ## math

Find the experimental probability. Sheila drew single marbles from a bag, recorded the outcome, and replaced the marble. In 50 draws, Sheila drew 20 white marbles and 30 black marbles. What is the experimental probability that the next marble will be

asked by jose on May 31, 2016
100. ## Math

A tank initially contains 50 liters of water. A hose adds water to the tank at a rate of 2 liters per minute. Write a linear equation for the amount of water in the tank, W, liters in terms of t, minutes. Then use your equation to find how much water is in

asked by Brigette on November 15, 2012
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