# 1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)1215 B)3645 C)9375 D)23 I chose A 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3... A)aN=-12(1/3)n-1 B)aN=12(-1/3)n-1 C)aN=-12(-1/3)-n+1 D)aN=-12(-1/3)n-1 I chose C 3)Find

93,362 questions, page 157
1. ## physic

A solid shaft of 65mm outside diameter and a hollow shaft of 85mm outside diameter are connected by 6 bolts with the mean pitch of thread being 155mm. The shear stress due to the torque on the shafts is equal to the shear stress on the bolts. a) Find the

asked by Michel on April 2, 2009
2. ## Physics

My problem question: "A ball is thrown up onto a roof, landing 4.0 seconds later at a height of 20.0 m above where it was thrown. The ball's velocity vector upon landing on the roof top was angled 60 degrees to the horizontal flat roof top. Find the

asked by Thuy on October 7, 2010
3. ## math

A. In 1 year Kristen will be four times as old as Danielle. Ten years from then Kristen will only be twice as old as Danielle. How old is Kristen now? B. The greater of two integers is 4 times the lesser. Of the lesser integer is increased by 12, the

asked by rita on July 14, 2013
4. ## physics

a wheel having diameter 2m starts from rest and accelerates uniformly to an angular velocity of 75 revoulutions per minute in 5s. calculate its angular acceleration? Q;- one of the rectangular components of velocity of 80km/hr find other component? Q:-the

asked by vishal on September 27, 2010
5. ## math

A person standing on the roof of a building throws a ball directly upward. The ball misses the rooftop on its way down and eventually strikes the ground. The function s(t) = −16t2 + 64t + 80 describes the ball’s height above the ground, s(t) , in feet,

asked by faith on December 15, 2011
6. ## Pre Calc

You have recently been promoted and are now a senior pilot with BHS Exprress, providing courteous and timely service to countless cities across the Northeast. In order to arrive in New York City at the scheduled time, you know you must fly at a speed of

asked by Sarah on February 16, 2018
7. ## english 11

1. In persuasive writing, it is important to (1 point)anticipate and address counterarguments. clearly state your position. provide facts and examples to back up your position. practice all of the above. 2. “Redskin” was originally a term for (1

asked by jason on March 9, 2012
8. ## science

name each ion 1. As3- 2. Ca2+ 3. H- Since this is not my area of expertise, I searched Google under the key words "H- ion", As3- ion" (Sure you don't mean "+"?) and Ca2+ ion" to get these possible sources: http://www.h-minus-ion.org/

asked by Kathleen on April 25, 2007
9. ## Intermediate Algebra

I have a take home test and I'm stuck on a couple. Anyone help please? 1. Find the vertex & axis of symmetry: -5(x+4)^2-4 2. Find the vertex & axis of symmetry: y=x^2-10x+3 3. Simplify: (2i+5)(3+4i) 4. Simplify: 3(21+2i)+(4-5i) 5. Simplify: (27x^2y^3)^-3/4

asked by Krystle on April 4, 2008
10. ## English

anyone know where my other question went regarding the mythology sources??? much needed.... Thanks for reading this :) nvm i found it :) thanks to all who answered: its on page 4 i believe ok yeah i need more resourcesfor that topic :( This one???

asked by Alexx on June 27, 2007
11. ## math

Write the decimal as a percent: 0.3 4. Write the decimal as a percent: 5.16 5. Write the percent as a decimal: 61% 6. Order from least to greatest: 68%, one half , 0.55, 1.28 7. Write the fraction as a percent. If necessary, round to the nearest tenth of a

asked by lynn on January 8, 2019
12. ## probability and statistics I NEED HELP

The MSU basketball team is playing OU. If the probability that MSU wins the game is 0.68 and the probability that OU wins is 0.27. 1. Find the probability that MSU or OU wins. 2. Find the Probability that there is a tie.

asked by Emily on May 11, 2011
13. ## College Algebra

3x-1/x^2-10x+26 Find all (real) zeros of the function Find all (real) poles of the function The function has... A horizontal asymptote at 0? A non-zero horizontal asymptote? A slant asymptote? None of the above

asked by Kenzie on November 5, 2012
14. ## probability and statistics

The MSU basketball team is playing OU. If the probability that MSU wins the game is 0.68 and the probability that OU wins is 0.27. 1. Find the probability that MSU or OU wins. 2. Find the Probability that there is a tie.

asked by Emily on May 11, 2011
15. ## Calculus

find derivitive of 1/square root of x 1/square root of x = x^(-1/2) The derivative is -1/2 x^(-3/2) can you keep going on the problem to not have negative exponents? You can also use that the derivative of 1/f(x) is given by: -f'(x)/[f(x)]^2 If you take

asked by Linds on January 18, 2007
16. ## Need help at this very minute with physics

In Figure 10-53, two blocks, of mass m1 =400 g and m2 =600 g, are connected by a massless cord that is wrapped around a uniform disk of mass M = 500 g and radius R = 12.0 cm. The disk can rotate without friction about a fixed horizontal axis through its

asked by John on December 1, 2006
17. ## health

The purpose of environmental epidemiology studies is to prove that an environmental agent is the cause of a particular adverse effect. True False 2. Which of the following is not an accurate statement about dose-response? The NOAEL is the highest data

asked by manyy on September 22, 2008
18. ## to ms.sue

the table below shows the approximate population for the 10 least populated countries in the world.use the data to estimate answers to the problem. vatican city 900 tuvalu 11,000 nauru 13,000 palau 20,000 san marino 28,000 manaco 32,000 liechtenstein

asked by Celest on April 11, 2012
19. ## Physics

I have figured out everything except the last part of this problem. No clue how to figure that can someone help me... When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon

asked by Brandon on November 2, 2008
20. ## social studies

Drag and drop the correct reasons for European expansion in Africa and India during the 1800s. Choices may be used once or not at all. Reasons for European Expansion into Africa and India During the 1800s A. to gain raw materials B. to learn about other

asked by woohoo on November 30, 2018
21. ## statistics

If Z is a standard deviation, find the probability that Z lies between -1.10 and -0.36 You have not provided enough information to answer that question. Besides, a different symbol should be used for the standard deviation and the variable (Z) itself. Are

asked by Artie on August 4, 2007
22. ## Physics

Question: A force of 25N pushes a curling rock from rest 1.0 m across a frictionless surface. Find the FINAL kinetic energy. attempts: Well i guess it would be changeinEk so i tried Wnet=changeinEk fnet x changeinD = 1/2mvf^2-1/2mvi^2 to fnet x changeinD

asked by Anonymous on December 4, 2014
23. ## Physics

Question: A force of 25N pushes a curling rock from rest 1.0 m across a frictionless surface. Find the FINAL kinetic energy. attempts: Well i guess it would be changeinEk so i tried Wnet=changeinEk fnet x changeinD = 1/2mvf^2-1/2mvi^2 to fnet x changeinD

asked by Anonymous on December 4, 2014
24. ## Physics - Collisions and conservation of momentum

A baseball and a ball of clay are approaching each other. The mass of the baseball is 145 g and it is moving due west 5 m/s at 180 degrees. The ball of clay is 290 g and it is moving northwest at 135 degrees at 4 m/s. What is the magnitude of their

asked by tyger2020 on September 2, 2017
25. ## Calculus

The marginal profit in dollars on Brie cheese sold at a cheese store is given by P'(x)=x(60x^2+30x), where x is the amount of cheese sold in hundreds of pounds. The "profit" is -\$50 when cheese is sold. a. Find the profit function. P(x)= b. Find the profit

asked by Duane on December 4, 2014
26. ## MATH

The path of a large stone fired from a catapult can be modeled by y= -0.00545x^2+1.145x where x is the distance the stone traveled (in yards) and y is the height of the stone (in yards). 1. find the distance the stone traveled. 2. find the maximum height

asked by Shannon on December 7, 2010
27. ## Science

The diagram below shows a process in Earth's crust. Which of the following statements best describes the process in the diagram. A Converging plates from Mountains B Converging plates from Volcanoes C Diverging plates form Mountains D Diverging plates form

asked by Anonymous on April 20, 2015
28. ## Math

Hi everyone. Would someone be able to help me with this problems? I know it's a lot, if you only want to help with one or two, that is fine!! 9. Could you show how to use factoring and the zero-proudct property to find the zeros of each quadratic function?

asked by Eliza on November 19, 2008
29. ## Chemistry - Ksp

i did an experiment where we titrated HCl on calcium hydroxide, and now i am confused with the calculations, i do not know if i am correct, so please help me out... Trial One volume of HCl used - 11.20mL concentration of HCl - 0.04mol/L so to get moles of

asked by Farah on April 25, 2011
30. ## PHYSICS

A bat strikes a 0.145kg baseball. Just before impact, the ball is traveling horizontally to the right at 60.0 m/s , and it leaves the bat traveling to the left at an angle of 40degrees above horizontal with a speed of 65.0 m/s . The ball and bat are in

asked by NOT char on March 30, 2012

Weight - 20 pounds 6 ounces Ordered dose - 1.5mg per kilogram per day recommended dosage from drug label - 3mg every 8 hours. 1.What is the individual dose? to find the individual dose i'll first convert pounds to kg which is 9.26 kg. I will then multiply

asked by John on April 13, 2016
32. ## precalc

Given a square matrix M, we say that a nonzero vector v is an eigenvector of M if Mv=kv for some real number k. The real number k is called the eigenvalue of v with respect to M. 1. Let v be an eigenvector of the matrix M with eigenvalue k. Find a simple

asked by katie on August 7, 2016
33. ## physics

a jet airliner moving initially at 3..00X10^2 mi/h due east enters a region where the wind is blowing 1.0 x 10^2 mi/h in a direction 30 degrees north of east. A) find the components of the velocity of the jet airliner relative to the air. b) find the

asked by joshua on October 2, 2011
34. ## Business Law/ Partnership Contract

I'm trying to write a partnership contract but not sure if it sounds ok....Please let me know if I should change anything. This Agreement is made between Tim (“Couch”) and Bert (“Parker”) on February 1, 2011. Couch and Parker are sometimes referred

asked by crystal on February 8, 2011
35. ## Calculus

A baseball team plays in a stadium that holds 68000 spectators. With the ticket price at \$11 the average attendence has been 27000. When the price dropped to \$10, the average attendence rose to 34000. Assume that attendence is linearly related to ticket

asked by Mia on October 15, 2016
36. ## Math

Wile E. Coyote catapults himself off of a 500 ft. cliff with an initial velocity of 20 ft/sec. His height t seconds after catapulting is given by the function h(t) = −16t2 + 20t + 500 . (Note the y-intercept of (0, 500). a. Find his maximum height (Hint:

asked by Irina on September 12, 2014
37. ## physics bobpursly help still having trouble

A satellite in a circular orbit around earth with a radius 1.019 times the mean radius of the earth is hit by an incoming meteorite. A large fragment m=60 kg is ejected in the backwards direction so that it is stationary with respect to the earth and falls

asked by Andy on December 2, 2009
38. ## Algebra1

Books: Over the summer, you read 20 books. Eight of these books were biographies. a. Find the ratio of biographies to the total number of books. b. Find the ratio of non-biographies to biographies. c. Find the ratio of non-biographies to the total number

asked by Peter on October 3, 2013
39. ## Math - Maxima and Minima

The height, h, in metres, of a ski ramp over a horizonatal distance, x, in metres, is given by h(x)=0.01x^3-0.3x^2+60 for the interval 0 less than or equal to x less than or equal to 22. a) Find the vertical drop from the top of the ramp to the lowest

asked by Anonymous on October 23, 2010
40. ## to writeacher

The Pines 1. does that mean that he knows the woods in and out? is that what your trying to say? 2. i don't understand exactly what the contradiction is try to tell us also, the mood is still unclear to me but i am thinking it might be related to that poem

asked by anonymous on October 9, 2006
41. ## Statistics

I am respectfully requesting help with the following assignment. I am struggling in this chapter of statistics... Define the term sample? A) A sample is a numeric characteristic of a sample B) A sample is a numeric characteristic of a population C) A

asked by Lisa on August 26, 2013
42. ## calculus

A piece of elastic is attached to two nails on a flat board, with a button attached to the midpoint of the elastic. The ails are 5 cm apart. You stretch the elastic by pulling the button along the board i the direction that is perpendicular to the line

asked by Equihua on January 4, 2013
43. ## Physics

A ball is thrown horizontally from the top of a building 21.6 m high. The ball strikes the ground at a point 123 m from the base of the building. Find the x component of its velocity just before it strikes the ground. Find the y component of its velocity

asked by Anonymous on February 2, 2012
44. ## Physics

A ball is thrown horizontally from the top of a building 21.6 m high. The ball strikes the ground at a point 123 m from the base of the building. Find the x component of its velocity just before it strikes the ground. Find the y component of its velocity

Given the numerical values shown for the function f(x), find approximate values for the derivative of f(x) at each of the x-values given. x= 0 1 2 3 4 5 6 7 8 f(x)= 13 15 16 17 17 14 11 9 7 f'(x)= 2 1 1 1 0 -3 -3 -2 -2 What seems to be the greatest rate of

asked by Celine on February 21, 2011
46. ## S+E Middle Ages

http://www.google.com/search?sourceid=navclient&ie=UTF-8&rls=SUNA,SUNA:2006-45,SUNA:en&q=herbal+remedies+medieval I searched for herbal remedies medieval and these are the results. I hope there's something useful in here for you. =) I am doing herb lore

asked by Writeacher on November 8, 2006
47. ## third side (picture attached)

I have already asked this in another thread. Here is more explanation: The radius of earth's orbit is 1.5 * 10^8km & the radius of venus's orbit is 1.1 * 10^8 km. We need to find out the distance from earth to venus for both positions of venus. A picture

asked by Jen on November 10, 2006
48. ## classical mechanics

A bar of mass and negligible height is lying horizontally across and perpendicular to a pair of counter rotating rollers as shown in the figure. The rollers are separated by a distance . There is a coefficient of kinetic friction between each roller and

asked by socorro on December 10, 2013
49. ## Ms. Sue LAng arts

HI im going to have like 10 questions of these and plz check my answers. thx here is the story: In Praise of Companion Animals Here is a proposal that is sure to anger some people: Everyone— yes, everyone—should have a pet. I think we should require

asked by Annyomuos on April 10, 2013
50. ## algebra

At a crime scene, police officers find a murder victim in a tub full of warm water. A thermometer shows that the water temperature is 75 degrees F and the air temperature is 70 degrees F. It is known that most people fill a tub with water at 100 degrees F.

asked by Andrea on December 12, 2012
51. ## please check my math2

Two bodies hang on a string 2.1m long. The two bodies have a mass of 3.75kg and 2.4kg respectively. If the 3.75kg mass is raised to a height of 0.545m and released, and if upon impact the mass adhere. Mass1 = 3.75 kg Mass2 = 2.4 kg String length = 2.1 m M1

asked by Henri on March 21, 2009
52. ## Physics, emf, magnetic flux

A circular loop of wire with radius 0.100 m and resistance R = 5.00 Ω. The loop is placed in a magnetic field of strength B = 0.125 T, which can be rotated. The angle of the magnetic field with respect to the normal of the loop is θ(t), where t denotes

asked by Anon on January 24, 2018
53. ## math

Problem #1: Find the total amount if you deposit \$500 at a rate of 5% for two years using simple interest. Year 1 Year 2 Problem #2: Find the total amount if you deposit \$300 at a rate of 6% for three years using simple interest. Year 1 Year 2 Year 3

asked by Boobear on April 12, 2013
54. ## math

M is partly constant and partly varies with N, when N = 14, M = 150 and when N = 54, M = 192. Find the formula connecting M and N hence find M when N = 73 solutions m = k + cn 192 = k + 54c.................... (1) 150 = k + 14c.................... (2)

asked by Austen Victoria on February 7, 2017
55. ## Physics

From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle of 23.0° below the horizontal. It strikes the ground 6.00 s later. Initial velocity components: vx = 8.65 m/s vy = -3.67 m/s

asked by <3 on September 15, 2013
56. ## Math

I have two questions that I need help with. 1. Angle of Depression: A Global Positioning System satellite orbits 12,500 miles above Earth's surface. Find the angle of depression from the satellite to the horizon. Assume the radius of Earth is 4000 miles.

asked by Danielle on March 25, 2008
57. ## Chemistry

Calculate the radius of a vanadium atom, given that V has a BCC crystal structure, a density of 5.96 g/cm3, and an atomic weight of 50.9 g/mol. I used this equation: density = (2)*(atomic weight) / (volume of unit cell)*(Avagodro's #) rearranged to find

asked by Kyle on January 16, 2013
58. ## Chemistry

Calculate the radius of a vanadium atom, given that V has a BCC crystal structure, a density of 5.96 g/cm3, and an atomic weight of 50.9 g/mol. I used this equation: density = (2)*(atomic weight) / (volume of unit cell)*(Avagodro's #) rearranged to find

asked by Kyle on January 16, 2013
59. ## math

A passenger train travelled at an average speed of 72 km/h. A man on the passenger train observed a goods train, which was travelling at a speed of 54 km/h, in the on-coming direction. If the goods train passed him in 10 seconds, find the length of the

asked by Im on September 3, 2012
60. ## statistics

Container 1 has 8 items, 3 of which are defective. Container 2 has 5 items, 2 of which are defective. If one item is drawn independently from each container: Find the probability distribution for X defined as the number of defective items drawn(Hint: You

asked by Marla on November 8, 2010
61. ## Science

The airplane can take off when its airspeed (speed of the air flowing over the wing) is equal to 65 knots. What is the length of runway required for the plane to take off if there is a 13 knots head wind? The runway at the Tallahassee Regional Airport has

asked by Emi on September 20, 2015
62. ## Algebra 1

You are designing a wall mural that will be composed of squares of different sizes. One of the requirements of your design is that the side length of each square is itself a perfect square. 1. If you represent the side length of a square as x^2, write an

asked by Jynessa on December 4, 2013
63. ## math-geometry

1. A rhombus has a perimeter of 96, and the length of one of its diagonals is 32. The area of the circle inscribed in the rhombus can be expressed as k*pi/w where k and w are relatively prime positive integers. Find the value of k + w. 2. The base and

asked by jujube on January 20, 2008
64. ## Trigonometry

Find all solutions between 0 and 2pi. Round to two decimal places. In radians. Find all solutions between 0 and 2 pi. Round to two decimal places for the final solutions. The answers should be in radian mode. If you can use exact values use them. At least

asked by Taylor B on May 13, 2013

For many global companies, China represents a very attractive market in terms of size and growth rate. Yet, it ranks lower in terms of economic freedom and higher in political risk than other country markets because it has a communist government. Despite

asked by constance on October 29, 2006
66. ## physics

A car traveling at 53 km/h hits a bridge abutment. A passenger in the car moves forward a distance of 65 cm (with respect to the road) while being brought to rest by an air bag. What magnitude of foce (assume constant) acts on the passengers's upper torso,

asked by Lars on November 12, 2006
67. ## Math

1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (2, 4) and (6, 6) (2, 4) and (6, 6) (–2, 4) and (6, –6) (2, –1) and (–3, 3) 2. Given a scale factor of one-half , find

asked by Briana T on December 6, 2012
68. ## english.

1. Read the following stanza from “Alone”: Lying, thinking Last night How to find my soul a home Where water is not thirsty And bread loaf is not stone I came up with one thing And I don’t believe I’m wrong That nobody, But nobody Can make it out

asked by ashley on April 28, 2013
69. ## english

1. Read the following stanza from “Alone”: Lying, thinking Last night How to find my soul a home Where water is not thirsty And bread loaf is not stone I came up with one thing And I don’t believe I’m wrong That nobody, But nobody Can make it out

asked by amber on May 1, 2013
70. ## math

A tank was 3/5 filled with water. After removing 120 litres of water from the tank it was 1/5 filled. a)Find the amount of water the tank can hold when completely filed. b)If one litre of water has a mass of 1 kg, find the mass of water in the tank when

asked by sherika on February 13, 2013
71. ## math

Find the initial amount given an exponential function. Given the equation y = 24(0.77)^t, what is the initial amount? To find the initial amount, I need to replace t with 0. When I do that, I get y = 24(0.77)^0 which is y = 24(1), so y = 24 In doing other

asked by Carly on November 30, 2016
72. ## Math

Let R be the region bounded by y = ln x, x-axis, and x = 3. Answer the following. a) Write, but do not solve, an integral expression that will find the volume of the solid that results from rotating R about x = -2. b) Write, but do not solve, an integral

asked by Jessica on June 23, 2016
73. ## Maths

A closed box in the shape of a cuboid has dimensions x cm, y cm and 5 cm. The volume of the box is 40 cm^3 and the external surface area is 76 cm^2. A) use the information about the volume to find and equation connecting x and y B) use the information

asked by Anonymous on November 7, 2015
74. ## physics 203

Water (p=1000kg/m^3) enters a pipe on the ground with an inside diameter of 2cm at a pressure of 4x10^5 Pa. Then a 1-cm diameter pipe leads the water to a height of 5m above the ground. The flow speed at the inlet is v1=1.5m/s. A) Find the flow speed at

asked by ash on April 9, 2013
75. ## electrodynamics - max radiation angle

can anyone offer advice to find ƒÆmax after one has found that cosƒÆmax=[ã(1+15ƒÀ2)+1]/3ƒÀ ? I do not really understand the approximation given where ƒÀ=1-ƒÃ Thanks Sorry ƒÆ ----> theta ã -----> square root ƒÀ -----> beta ƒÃ - ----> E

asked by manny on August 18, 2007
76. ## Math

The top of a swimming pool is in the shape of a rectangle measuring 44 feet by 24 feet. Two of the sides of the pool are trapezoids. The water is 9 feet deep in the deep end and 3 feet deep in the shallow end. Find the volume of the water in the pool.

77. ## cjs/210

Can someone help me find a website to find the answers to the following questions? Examples of technology used in policing and how technology enhances or detracts from police organizations’ ability to function Examples of less-than-lethal weapons and how

asked by Meka S on July 17, 2012
78. ## math

A company rents its care for a daily fee, plus an additional charge per miles driven. Trip one is 4 days, 450 miles, and cost \$244.50 for the rental. Trip two is 3 days, 200 miles and cost 149.00 for the rental. Find the daily fee, and find the mileage

asked by Maria on December 5, 2014
79. ## Physics

Question: Two strings at different lengths and linear densities are joined together. They are stretched so that the tension in each string is 190.0 N. The free ends are fixed in place. Find the lowest frequency that permits standing waves in both strings

asked by Tina on July 11, 2011
80. ## physics

Physics Genius! please let me! Three objects lie in the x, y plane. Each rotates about the z axis with an angular speed of 6.12 rad/s. The mass m of each object and its perpendicular distance r from the z axis are as follows: (1) m1 = 6.36 kg and r1 = 2.20

asked by Lola on July 2, 2015
81. ## Physics

Hi, here's a problem that I have difficulty with to solve. Block M2, w/c has a 20 kg mass, is on a frictionless table and it is firmly attached to one end of a spring with k = 2.5 N/m. The other end of the spring is anchored to the wall. Another block, M1

asked by Chika on November 2, 2011
82. ## Pencils

Hey guys, I know this is a homework site, but I cant seem to find this anywhere on the web. I cant seem to find this pencil my chemistry teacher suggested to get, since I'm on the chem league, we will be doing a lot of Multiple Choice questions and this

asked by Jackie on October 26, 2008
83. ## Math

I am supposed to find the area of the shaded section of a circle. The circle is cut with two radi with an angle of 60 degrees. Then where the radi touch the circle another line is drawn to connect them. The triangle and the small section between the

asked by Punkie on December 16, 2009
84. ## Gas Law Chemistry

I need help on these two questions: If a certain gas occupies a volume of 16L when the applied pressure is 8.0atm , find the pressure when the gas occupies a volume of 4.0L . A certain gas is present in a 12.0L cylinder at 4.0atm pressure. If the pressure

asked by Amy on October 25, 2012
85. ## physics

Problem: A long cylinder of diameter 2a has a charge per unit length, lambda, that is uniformly distributed down a very long wire. The cross section of the cylinder is not uniform, with a small hole drilled into it, which has a center at r = R and a

asked by Cory on February 20, 2015

ive been searching forever and i need to know what chromium (II) sulfate does, like what people use it for , whats its use...please help! I looked it up in my copy of The Merck Index, page 2309, 12th edition and it lists the following: "Use: analytical

asked by INEEDHELP!!! on December 9, 2006
87. ## Chemistry.HELP (IONS)

Determne the boiling point of 16.3g of calcium chloride dissolved in 250. g water. My work: 16.3 g CaCl2 *(1 mole CaCl2/110.984 g Cacl2)= 0.147 mol CaCl2 M= 0.147/0.250kg =0.588 mCaCl2 ... From here, How do you find out how many ions CaCl2 has. Calcium has

asked by Julia on February 9, 2017
88. ## Finite Math

At a price of \$ 1.94 per bushel, the supply corn in 9,800 million bushel and the demand is 9, 300 million bushel. At a price of \$1.82 per bushel, the supply is 9,400 million bushels and the demand is 9, 500 million bushels. A, find a price-supply equation

asked by daylo3 on January 23, 2011
89. ## Math check

A random sample of size 26 is to be selected from a population that has a mean ì = 46 and a standard deviation ó of 15. (a) This sample of 26 has a mean value of x, which belongs to a sampling distribution. Find the shape of this sampling distribution.

asked by Sue 76 on June 17, 2013
90. ## algebra

Part 1: Using the Library, web resources, and/or other materials, find the logarithmic formula that gives the pH of a substance. State what each variable in your equation represents. Find the pH of an acidic substance of your choice. Using this pH, show

asked by stephanie on December 11, 2009
91. ## algebra

Part 1: Using the Library, web resources, and/or other materials, find the logarithmic formula that gives the pH of a substance. State what each variable in your equation represents. Find the pH of an acidic substance of your choice. Using this pH, show

asked by steph on December 8, 2009
92. ## ALGEBRA

Find the range and the variance (correct to one decimal place). 77, 92, 93, 93, 98 (b) Find the variance = I had the range correct except the variance.

93. ## calculus

Find the average value of the function f(x)=8x^2-5x+6 , on the interval [3,5]. Find the value of x-coordinate at which the function assumes it's average value. what is the average value = to ? what is the x coordinate = to ? Thanks

asked by li on December 3, 2011

use division to find an equivalent fraction. (1) 15 __ 20 (2) 4 ___ 18 use multiplication to find an equivalent fraction. (1) 3 ___ 8 (2) 1 ___ 3

asked by dk on January 17, 2012
95. ## american history

What was the significance of the closing of the Silk Road? It gave Europeans the incentive to establish new overland trails into territories in Asia. It inspired Europeans to discover the hidden secret of creating their own silk textiles. It encouraged

asked by Kayla on July 5, 2018
96. ## MATH

Help please :) The measure of the supplement of an angle is 20 degrees more than three times the measure of the original angle. Find the measures of the angles. The measures of an angle and its complement differ by 22 degrees. Find the measures of the

asked by Sarah on August 16, 2009
97. ## Math

Cameron is located 2 miles due East of an intersection between two country roads. He decides to walk in a straight line (cross-country) toward a position 3 miles due North of the intersection; it takes Cameron one hour to reach that location. (a) Find

asked by SC on January 18, 2010
98. ## nova

7) You throw a 12-N stone vertically into the air from ground level. You observe that when it is 15.0 m above the ground, it is traveling at 25.0 m/s upward. Use the work –energy theorem to find (a) the stone’s speed just as it left the ground and (b)

asked by papy on September 20, 2014
99. ## Math

Find the missing measurement for each triangle. 1. A= 16 in squared, b= 8 in., h=? My answer 4 in. 2. A= 20 m squared, b=___, h = 4 m. My answer b=10. 3. A=____, b=6.4ft. h=7.6ft My answer A=24.32ft square. 4. A=14 cm squared, b=2cm, h=___ My answer 14cm.

asked by Khrys on April 10, 2014
100. ## Physics => waves

It's a simple problem I think but I can't get the answers to match with the book. A particle fingering flute sounds note with frequency of 880Hz at 20 deg celcius(343m/s => sound wave speed) The flute is open at both ends. a) find the air column length b)

asked by ~christina~ on March 12, 2008