# 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 395
1. ## maths

AB=36 cm and M is the mid-point of AB. Semicircles are drawn on AB,AM and Mb as diametrs.A circle with centre C touches all the three circles. Find the area of the shaded region.

asked by Anonymous on December 24, 2012
2. ## Math 6b

You roll a number cube twice. Find P(even then not 2). Write the probability as a fraction in simplest form. I don't know the answer to this one but I'm just asking for the process so I can solve it.

asked by Jaden on May 19, 2017
3. ## History

Can you help me with one paragraph and a thesis statement for Conduct some online exploration to find more consequences of the Columbian Exchange, and decide whether they are intended or unintended.?

asked by Anonymous on January 8, 2016
4. ## PHYSICS

A car of mass 1000kg travelling @72km/hr is brought to rest in a distance of40m find average stoping for nd time taken

asked by muhammad on April 5, 2019
5. ## Chemistry

Give the following reaction,find the mass of oxygen required to produce 13grams of CO2; C3H8+5O2--->3CO2 + 4H2O

asked by Charlie on June 15, 2011
6. ## History

What can I write for a thesis statement for Conduct some online exploration to find more consequences of the Columbian Exchange, and decide whether they are intended or unintended.? PLEASE HELP

asked by Anonymous on January 8, 2016
7. ## Research

does anyone know of any good sites i can find info about Problems Michael Dell Encountered Prior to IPO? im really having a hard time. id apperciate it.

asked by Johanan on April 28, 2009
8. ## Chemistry

Find the molarity of [H+] and [OH-] in the following solutions: a) 0.050 molar NaOH b) 2.09g of calcium hydroxide in 100 mL of water c) 0.875 M H2SO4

asked by Nina on May 30, 2012
9. ## Methylene chloride

Question: A sample was placed on a chromatography column. Methylene chloride was used as the eluting solvent. All of the components eluted off the column, but no separation was observed. What must have been happening during this experiment? How would you

asked by Sheryl on October 22, 2006
10. ## Physics

Moving at 20 m/s , a remote controlled car of mass 1000kg hits a pile of sand and comes to rest in 10 s. Find the average force that acted to stop the car. The same car now hits a wall and comes to rest in 1s. Find the average force that acted to stop the

asked by Abby on August 24, 2006
11. ## Physics

Consider the circuit shown in the figure below. (Assume R1 = 12.0 Ω and R2 = 6.00 Ω.) Read this for the figure - A rectangular circuit begins at its left side at a 25.0 V battery with the positive terminal on top. From the battery, the circuit extends up

asked by Div on March 2, 2019
12. ## Probability

Bob has two coins, A and B, in front of him. The probability of Heads at each toss is p=0.5 for coin A and q=0.9 for coin B.Bob chooses one of the two coins at random (both choices are equally likely).He then continues with 5 tosses of the chosen coin;

asked by Anonymous on October 6, 2018
13. ## Math help

Could someone work one of these out so I can use as example. A sample of 59 night-school students' ages is obtained in order to estimate the mean age of night-school students. x = 25 years. The population variance is 20. (a) Give a point estimate for ì.

asked by DeeDee 89 on June 16, 2013
14. ## writing

PLEASE PROOF READ IT WILL BE DOUBLE SPACED WHEN I SUBMIT IT. In approximately 200–350 words, using compare/contrast strategies, discuss the benefits and/or advantages of shopping online, rather than shopping in a store. The Benefits of Online Shopping

asked by AMW on November 4, 2012
15. ## Physics

A merry-go-round is rotating at 4.775 revs/min with a 45 kg child on the outer edge. The radius is 2.0 m. The child moves to the centre of the merry go round. What is the final angular velocity of the merry go round. The moment of inertia of the

asked by Jon on December 15, 2010
16. ## Physics

Two charges are placed on the x axis. One of the charges (q1 = +9.3 µC) is at x1 = +3.4 cm and the other (q2 = -20 µC) is at x2 = +8.9 cm. (a) Find the net electric field (magnitude and direction) at x = 0 cm. (Use the sign of your answer to indicate the

asked by Jasmine on January 28, 2013
17. ## religion,help

what is a good website where i can find the countries of origin for: hinduism buddhism confucianism daoism now one more question for right now. when they are asking for the country of origin do they refer to where did thAT NAME COME FROM? OR WHAT IS IT

asked by Kailin on January 13, 2007
18. ## statistics

Comparing Variations: 1. For the following exercise, complete the following: a. Find the mean, median, and range for each of the two data sets. b. Find the standard deviation using the rule of thumb for each of the data sets. c. Compare the two sets and

asked by shanett on April 17, 2010
19. ## english

For the Unit 1 Discussion Board assignment, you will: (1) select a topic from the list below, (2) develop a thesis statement from your topic selection and post your writing strategies for developing your thesis, (3) explore the features of the MyCompLab

asked by Anonymous on March 21, 2010
20. ## Finance

The most recent financial statements for Retro Machine, Inc., follow. Sales for 2010 are projected to grow by 20 percent. Interest expense will remain constant; the tax rate and the dividend payout rate will also remain constant. Costs, other expenses,

asked by cj on March 20, 2013
21. ## grammar

Ms Sue is this question right. Using regular and irregular verbs. 6a. I lay my book on the table, but now I cannot find it. 6b. I laid my book on the table, but nowe I cannot find it. I choose b verb form and verb tense.9a. The ancient Egyptians biult

asked by ano on July 20, 2008
22. ## general physics/rotational motion

Two crates of mass m1 = 16 kg and m2 = 23 kg are connected by a cable that is strung over a pulley of mass mpulley = 22 kg as shown below. There is no friction between crate 1 and the table. m1 is sitting on the table mpulley is at the edge of the table to

asked by kulvinder on November 2, 2009
23. ## Urgent math

population growth model. Can anybody please help me out in trying to solve this problem? It's my homework and I don't seem to understand what I am getting. The count in a culture of bacteria was 400 after 2 hours and 25,600 after 6 hours. (a) What is the

asked by Lydia on August 3, 2015
24. ## Social Studies

Please help me find these answers. I looked everywhere and I can't find the answers. And someone stole my textbook and my notes are a mess. I need the answers by tommorow night. Btw, I'm in grade 8. This is Canadian History. 1. Explain the reform movement

asked by Andy Pandy on December 9, 2006
25. ## Calculus

A particle moves along a horizontal line so that at any time t its position is given by x(t)=cost-t. Time is measured in seconds and x is measured in meters. a.) Find the velocity as a function t. Use your answer to determine the velocity of the particle

asked by Rudy on October 14, 2012
26. ## Algebra

What is the sum of 38 and twice a number is 124. Find the number 43 The sum of 38 and twice a number is 124. Find the number.

asked by KJ on December 9, 2006
27. ## math

1. How could you use the product of 1/2 and 200 to find the product of 1/8 of 200? 2. How could you use the product of 1/3 of 300 to find the product of 1/6 and 300?

asked by Anonymous on January 12, 2013
28. ## English

1. Go to find the Lord Mayor. 2. Go look for the Lord Mayor. 3. Go find the Lord Mayor. 4. Go to look for the Lord Mayor. --------- Are they all grammatical? Are they the same?

asked by rfvv on May 24, 2014
29. ## Statistics

Many women take oral contraceptives to prevent pregnancy. Under ideal conditions, 1% will become pregnant within one year. In typcal use, 5% become pregnant. Choose 20 random women taking the pill. How many become pregnant in the next year? a. What is the

asked by Dawn on August 4, 2010
30. ## Physics

Consider the circuit shown in the figure below. (Assume R1 = 12.0 Ω and R2 = 6.00 Ω.) Read this for the figure - A rectangular circuit begins at its left side at a 25.0 V battery with the positive terminal on top. From the battery, the circuit extends up

asked by Div on March 5, 2019
31. ## Math

1) If you have an inhomogeneous, linear equation like f''(x) + f'(x) + f = x you can find the general solution by finding a particular solution (with no constants of integration)to this equation and adding it to the general solution to the homogeneous

asked by Sonya on September 19, 2009
32. ## Physics (Simple Frequency Question) Reply SOON!

I know that... wavelength = velocity * frequency frequency = velocity/wavelength If I have the voltage and the wavelength, does the voltage count as the velocity to find the frequency? If not, how do I find the frequency when I know the intensity,

asked by Judy on May 8, 2009
33. ## precalc

1. Find (-1+i)^1/3 2. Express 2(cos5pi/3 + isin5pi/3) in regular form. would this be correct: 1-√3i? 3. Find (2+4i)^3 in regular form. 4. Express 5(cos5pi/6 + isin5pi/6) in regular form. would this be correct?: -5√3/2 +5/2i?

asked by 95 on December 7, 2011
34. ## Writeacher

Writeacher, I have thought out and reposted my ideas. I would like it if you could add in what you also want to say, that way the next time I do something similar to this, I could recognize all the different things beyond the lines to add. To laugh often

asked by Angelina on November 8, 2010
35. ## Math

1. In this problem, we analyze the profit found for sales of decorative tiles. A demand equation (sometimes called a demand curve) shows how much money people would pay for a product depending on how much of that product is available on the open market.

asked by EJ on April 17, 2011
36. ## Math

Two kids are building a rocket for science class. once the rocket is launched its height in feet, h(t) can be found using the function h(t)=-16t^2+128t where t represents time in seconds. They record the time from the moment the rocket launches until it

asked by May on April 17, 2014
37. ## college statistic

A sample of 51 night-school students' ages is obtained in order to estimate the mean age of night-school students. x = 26 years. The population variance is 19. (a) Give a point estimate for μ. (Give your answer correct to one decimal place.) (b) Find the

asked by samantha on July 23, 2012
38. ## Algebra 1 Foundation Concepts rewrite

1. Write an algebraic expression for the following word phrase: the quotient of r and 12. (1 point) A)r • 12 B)r + 12 C)r ÷ 12 F)r – 12 2. Write a word phrase for the algebraic expression 3x - 7. (1 point) A)the difference of three times a number x

asked by Kitty on September 11, 2016
39. ## Financial Accouting

Prepare a 10-column work sheet for fiscal year 2005, starting with the unadjusted trial balance and including adjustments based on these additional facts: a. The supplies available at the end of fiscal year 2005 had a cost of \$3,200. b. The cost of expired

asked by Lauren on May 27, 2012

A business is considering two sizes for its new warehouse: small and large. An analysis of the profits realized given two states of demand, low and high, are summarized in the table below. Figures are in tens of thousands of dollars per month Demand Low

asked by STEVE on September 7, 2010
41. ## Math help quickly

Use the expressions for left and right sums and the table below. right-hand sum = summation (n above and i =1 on the bottom) f(ti) * change in t = f(t1) * change in t + f(t2) * change in t + .... + f (tn) * change in t left-hand sum = summation (n above

asked by Zoe on March 13, 2012
42. ## Physics

I don't really understand this aspect of physics yet, I need help understanding these problems. Problem One: Two particles, with identical positive charges and a separation of 2.00 10-2 m, are released from rest. Immediately after the release, particle 1

asked by Jim on August 31, 2007
43. ## Writing

I have to write a page on my take about Oprah Winfrey speech at Howard university. Where can i find a transcript of her speech at Howard? I've looked at www.oprah.com, www.howard.edu, and searched www.google.com, but all I find are excerpts. The entire

asked by Devon on May 19, 2007
44. ## Math

A norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. Find the dimensions of a Norman window with maximum area if the total perimeter is 16 feet. X = the width of the rectangle. Y = the length of the

asked by Tezuka on September 17, 2006
45. ## Accounting

1. A company acquired some land for \$80,000 to construct a new office complex. Legal fees paid were \$2,300, delinquent taxes assumed were \$3,400 and \$5,850 was paid to remove an old building. What is the cost basis for the land? a. \$90,600 b. \$91,550 c.

asked by Tom on November 5, 2009
46. ## S.S.

1. Which of the following is true of the Hay-Bunau-Varilla Treaty? A. It granted the United States a canal zone in the Isthmus of Panama. B. It laid out the terms for the purchase of Panama from Colombia. C. It was intended to restore friendly relations

asked by Sarah on October 28, 2014
47. ## someone to correct?

Roses are Red is not fiction, this is really happening in the world today. We are watching television every day, movies, series etc.The Mastermind exists unfortunately. There is always sick people in the news who are doing sick things. James Patterson has

asked by tull on January 14, 2007
48. ## Physics

if it takes 726 watts of power to move a mass 36 meters in 14 seeconds, what is the mass? i really need like, step by step help please? asap. thanks, michelle . physics - bobpursley, Saturday, November 20, 2010 at 4:06pm power= work/time=

asked by michelle quendarsv on November 20, 2010

Please Please HELP!!!! I need the answer to this and i've worked it out but I don't know if it is correct... Please check my answer!!!! The polygons are regular polygons. Find the area of the shaded region to the nearest tenth. I can't post a picture of it

asked by Becca on April 14, 2016
50. ## Geometry

Please Please HELP!!!! I need the answer to this and i've worked it out but I don't know if it is correct... Please check my answer!!!! The polygons are regular polygons. Find the area of the shaded region to the nearest tenth. I can't post a picture of it

asked by Becca on April 14, 2016
51. ## fine art

I need help on these questions. I can't find them in my textbook at all. Sorry if it's too many questions. 1.Which of the following artists used his creations to try to teach lessons of morality to viewers? A. Mazzola B. Tintoretto C. Raphael D. Bosh I

asked by huncho jack on May 25, 2018
52. ## Algebra

Suppose you are at the gas station filling your tank with gas, The function C(g) represents the cost C of filling the tank up the gas tank with g gallons. Give the equation: C(g)=3.03g a) What does the number 3.03 represent? The cost of one gallon of gas;

asked by A.W. on February 28, 2009
53. ## Physics

A block M1 of mass 20.0 kg sits on top of a larger block M2 of mass 30.0 kg which sits on a flat surface. The kinetic friction coefficient between the upper and lower block is 0.415. The kinetic friction coefficient between the lower block and the flat

asked by Marty on October 2, 2015
54. ## math

According to the center of Science in the Public Interest, the maximum healthy weight for a person who is 5 feet, 5 inches is 150 pounds and the maximum healthy weight for a person 6 feet, 3 inches tall is 200 pounds. The relationship between weight and

asked by guitarman on March 29, 2010
55. ## MAT 126

1. Save a cash register receipt from a shopping trip to the food market, or borrow one from a family member or friend. The cost of four prepackaged food items that are sold by weight and the cost of at least three fresh fruits, or vegetables need to appear

asked by lamar on May 13, 2011
56. ## math homework

Problem Design an experiment that uses color to modify human behavior. I. Understand the Problem (a) Discuss how the graph of wavelengths versus eye sensitivity relates to this problem. Answer: (b) Write down a hypothesis for this problem. Answer: II.

asked by sherri on October 9, 2008
57. ## algebra 2

Factor completely with respect to the integers. 1. 9x^2 - 4 2. x^3 + 64 3. 200x^2 - 50 4. 8x^3 - 64 5. x^3 + x^2 + x + 1 6. x^3 - 2x^2 + 4x - 8 7. 2x^3 + 4x^2 + 4x + 8 8. 2x^3 + 3x^2 -32x - 48 9. 7x^3 + 14x^2 + 7x 10. 6x^3 - 18x^2 - 2x +6 11. 3x^4 - 300x^2

asked by anonymous on January 9, 2007
58. ## Algebra

Square lot. Sam has a lot that he thought was a square, 200 feet by 200 feet. When he had it surveyed, he discovered that one side was x feet longer than he thought and that the other side was x feet shorter than he thought. a). Find a polynomial A(x) that

asked by michelle on July 28, 2010
59. ## Calculus

Hi, I'm absolutely stuck on this problem. This is for a newton's method/linearization unit. Find an equation for the curve in the xy-plane that passes through the point (1,-1) if its slope at x is always 3x^2+2.

asked by Jay on January 1, 2011
60. ## physics

suppose the diver vaults off the springboard, leaving it with an initial speed of 3.50 m/s upward. use energy conservation to find his spped when he strikes the water.

asked by tony on October 23, 2013
61. ## math calculus

In the viewing rectangle [-4, 4] by [-20, 20], graph the function f(x) = x3 - 3x and its secant line through the points (-3, -18) and (3, 18). Find the values of the numbers c that satisfy the conclusion of the Mean Value Theorem for the interval [-3, 3].

asked by VM on June 14, 2011
62. ## Music

How do you find movable do? i need to solfege songs in different keys and i need to know how! Add sharps and flats to make it closest to another key scale with dynamic constrast

asked by David on August 25, 2005
63. ## maths

find the speed of a point on the rim of a 24-cm diameter fly -wheel which is tuning at 2800 revolutions per minute. give your answer in meters per second.

asked by leena on September 22, 2013
64. ## Physics

Find the maximum height and the time of flight of a body fired vertically up from the ground given that it loses 60 percent of its initial speed in rising 4.2m

asked by Aaz on July 16, 2016
65. ## physics

A plane designed for vertical takeoff has a mass of 51 kg. Find the net work Wnet as it accelerates upward at 1 m/s2 through a distance of 34 m after starting from rest.

asked by anna on December 8, 2010
66. ## math

The angle of elevation of the top of a towerfrom a point 42meters away frm its base on level ground is 36degrees.find the height of the tower?

asked by Nmesoma on June 17, 2013
67. ## 6th grade

what is a good web site to find a fill in the blank persuasive essay format! please reply ASAP this is due thursday......i only have 2 more days!!!!!!!!

asked by varonica on December 7, 2010
68. ## Microsoft PowerPoint

Please can anyone help me with my problem. Does anyone know how or can tell me a free website to find out how to create a Microsoft Powerpoint slide presentation(8) with speaker notes,visual aids and graphics.

asked by Mckenzie on December 13, 2007
69. ## Math

Brian borrowed \$400 for 1 year. His payments are \$34.50 a month. If he decides to pay the loan off after 8 months, find the amount of interest that he will save.

asked by Leslie on July 2, 2019
70. ## Trig

Find all solutions of the equation in the interval [0,2pi). sqrt(3)cottheta-1= 0 Write your answer in radians in terms of pi. If there is more than one solution, separate them with commas.

asked by Rachal on May 15, 2011
71. ## Physics

3 equal charges each of of 2*10-6 C are fixed at three corners of an equilateral triangle ofsides 5 cm.find the column force experienced by one of the charge due to the rest two.

asked by Prem on May 7, 2016
72. ## math

Find the exact length of the curve analytically by antidifferentiation. You will need to simplify the integrand algebraically before finding an antiderivative. 1. y = (1/3)(x^2 + 2)^(3/2), from x = 0 to x = 3 and 2. x = (y^3)/3 + 1/(4y), from y = 1 to y =

asked by todi on February 4, 2008
73. ## Physics

A bridge 100m long weighs 500kN. A lorry weighing 100kN is 25m from one end of it. Find the force exerted at this support?

asked by Pedlo on July 13, 2019
74. ## math

Find the five-number summary of the following set of numbers. 335, 233, 185, 392, 235, 518, 281, 208, 318

asked by diane on March 1, 2008
75. ## pre calculus work

given f(x)= 5x+4/5x^2+4x and g(x) = 1/x a. determine the domains of f(x) and g(x) b. simplify f(x) and find any vertical asymptotes c. explain how the two functions differ I have absolutely no idea how to answer this question - can you please help me to

asked by erin on August 19, 2016
76. ## Calculus

Let R be the region bounded by the curve x=9y-y^2 and the y- axis. Find the volume of the solid resulting from revolving R about the line y= -6. I believe the integral limits are from y=0 to y-9 i set up h(x) = 9y-y^2 r(x) = y+6 I am not sure if this is

asked by Salome on December 4, 2013
77. ## math

so i am in precalculus, we need to graph the fuction using derivatives, maxima, intercepts and concavity. I am having trouble factoring cubics: for example: x^4-4x^3+16x --> x(x^3-4x^2+16)Now what? That is without calculator, how do you find the roots?

asked by kathy on May 4, 2011
78. ## physics

the resistance of a platinum resistant thermometer is 1.2ohms. when the measuring in Kelvin temperature of oil and 1.0ohms at the triple point of water. find T

asked by Izrel on June 10, 2016
79. ## Chemistry

Where can I find the Chemical names of the ingredients of certain household substances like Red Devil Lye or Cascade? I have already looked on packaging and stuff but some of it is not listed.

asked by Amanda on December 27, 2007
80. ## Global History

im not sure what is the question asking. Both Stalin and Hitler instituted ruthless campaigns against supposed enemies of the state. Why do you think dicators need to find scapegoats for their nations's ill?

asked by Katherine on March 6, 2010
81. ## maths

The real numbers x and y satisfy the nonlinear system of equations {2x2−6xy+2y2+43x+43yx2+y2+5x+5y==174,30. Find the largest possible value of |xy

asked by Anonymous on June 23, 2013
82. ## math

A rental car company charges a fixed fee of \$15.00 plus \$.12 per mile. Write an equation to find the total cost, y, for any number of miles, x

asked by jara on March 31, 2019
83. ## physics

Three positive point charges of q1 = 4.0 nC, q2 = 6.4 nC, and q3 = 1.5 nC, respectively, are arranged in a triangular pattern, as shown below. Find the magnitude and direction of the electric force acting on the 6.4 nC charge.

asked by jesse on December 17, 2010
84. ## Algebra

Alice travels 6 times faster than Bill. Traveling in opposite directions, they are 714 miles apart after 6 hours. Find their rates of travel.

asked by Shannon on March 25, 2012
85. ## Math

Find the mass of a cylindrical iron pipe 2.1m long and 12cm in external diameter, if the metal is 1cm thick and of density 7.8g/cm cube. Take π=22/7

asked by Deborah on July 2, 2019
86. ## cal 2

Find the number b such that the line y = b divides the region bounded by the curves y = x2 and y = 16 into two regions with equal area. (Round your answer to the nearest hundredth.)

asked by emily on February 12, 2010
87. ## English

Hi i am doing a project on international cuisine's and the country i chose was China. But i can't seem to find clear specific information on their food traditions, culture and history.

asked by Faye on January 9, 2008
88. ## chemistry

name each of the following ionic compounds by stock system... couldn't find these in the list. a)NaCl b) KF c) CaS d) Co(NO3)2 e)FePO4 f)Hg2SO4 g) Hg3(PO4)2

asked by john on March 2, 2008
89. ## Career Planning

Tom wants to find out more information about colleges he might be interested in attending. During which school year would it make the most sense to do this? A.) freshman B.) sophomore C.) junior D.) senior I think it is C...?

asked by Cassie on November 5, 2013
90. ## Math

There is a list of triominoes: 0,5,5... 0,1,1... 1,1,3... you get the picture. There are 10 triangles. How am I suppose find the measure of the largest angle? How many sides are congruent? I think 2 but are the talking about the entire triomino?

asked by Kyle on February 18, 2010
91. ## Physics

A body has an initial velocity of 18km/h and is uniformly accelerated at a rate of 9cm/s square over a distance of 200m. Find, in m/s, the speed it acquirs.

asked by Shedrach on July 18, 2019
92. ## calculus

find the volume of the prolate spheroid (a solid of revolution in the shape of a football ) obtained by revolving the region under the graph of the function y=3/5 √25-x^2 from x= -5 to x=5 about the x-axis...

asked by volumes of solids of revolution on March 3, 2012
93. ## Calculus

Find the positive value of x which satisfies x = 4.3cos(x). Give the answer to six places of accuracy. Remember to calculate the trig functions in radian mode

asked by J on July 17, 2013
94. ## precal

Find all solutions of the equation in the interval , 02π . =2sin2x−2cosx Write your answer in radians in terms of π . If there is more than one solution, separate them with commas.

asked by teresa on August 8, 2016
95. ## Physics

A boy whose mass is 40kg runs up a flight of 30 steps each 150mm high in 6seconds. Find the average power developed (take g as 10m/s^2.

asked by Igbekele on February 26, 2012
96. ## Physics

A boy whose mass is 40kg runs up a flight of 30 steps each 150mm high in 6seconds. Find the average power developed (take g as 10m/s^2).

asked by Igbekele on February 26, 2012
97. ## SCIENCE

A CRICKET BALL OF MALL 100G MOVING WITH A SPEED OF 30M/S IS BROUGHT TO REST BY A PLAYER IN 0.03 SECONDS FIND CHANGE IN MOMENTUM?

asked by AATHREYA KRISHNAN on August 1, 2016
98. ## PHYSICIS

AN OBJECT OF HEIGHT 5CM IS PLACED INFRONT OF ACONCAVE MIRROR OF FOCAL LENGTH 6CM AT ADISTANCE OF 13CM .FIND IMAGE SIZE

asked by value on September 16, 2016
99. ## math

Find the value of z that would be used to test the difference between the proportions, given the following. (Use G - H. Give your answer correct to two decimal places.) Sample n x G 386 327 H 414 321

asked by Glenn D on June 25, 2013
100. ## chemistry

Which of these are acidic, basic or a salt...Why? Al(NO3)3 K2CO3 NaBr NaHSO4 NH4Cl Do you know of any website I can use to help me use the atomic structure to find out whether it is an acid or base? Thanks

asked by Jess on February 23, 2008