# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,330 questions, page 800
1. ## writing inequalities

you must have an average score of at least 80 to get a B on your report card. You have scores of 61,70,99, and 70. What is the minimium score you must get on the last test to get a B on your report card? the minimum score you can make and receive an 80 is

asked by Anonymous on March 18, 2007
2. ## math

The formula for the lateral surface area of a cone is A=πr√(h^2+r^2). (A)Solve for r and simplify the result, if possible. (B) If the lateral surface area of a cone is 10 square feet and the height is 16 inches, what is the radius of the cone in inches?

asked by Andrea on April 24, 2018
3. ## math

1. A baseball diamond is actually a square, 90 feet on each side. What is the distance from third base to first base? 2. The equation gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet. a) Solve this equation for

asked by summer on August 30, 2010
4. ## ELA

Video Presentation Permission Form Mary O'Dell Video Broadcast Permission Form Willow High School Teacher’s Name: __________________________ Date: __________ Name of Video:____________________________________________ Video rating - G PG PG-13 R NR (not

asked by Dolphin on February 15, 2018
5. ## art history

Hello! I just need help in confirming/denying my own answers. For wrong answers, any assistance would be appreciated. These are study questions for an upcoming test so guidance would be EXTREMELY helpful. THANK YOU THANK YOU THANK YOU :) 1. The Sanctuary

asked by kailey on November 17, 2014
6. ## 2 balloons and a doubled distance (physics)

EARLIER SOMEONE POSTED: "Two like-charged balloons, placed at a distance of .5 meters, experience a repulsive force of .32 N. What is the force if the distance between the two balloons is doubled? If you use Coulomb's Law, the equation used to find .32 N

asked by help! on February 27, 2011
7. ## French

Hi, I did a paragraph of what I will do this weekend. The problem is, I'm not sure how to correctly put my verb tenses in the future. Can someone please help? Thanks in advance! In English: This weekend, I will catch up on psychology homework. I will also

asked by Anonymous on April 26, 2019
8. ## Science

When elemental sulfur,S8,is heated with AgF,a gas forms that contains only sulfur and fluorine. The following tests were done to characterize this gaseous product. *The density of the gas was found to be 0.807g/L at 152mmHg and 35 degrees celsius. *When

asked by anonymous on November 10, 2009
9. ## physics

A 12 kg mass on a horizontal friction-free air track is accelerated by a string attached to a 100 kg mass hanging vertically from a pulley as shown. Compare the accelerations when the masses are interchanged, that is, for the case where the 100 kg mass

asked by naomi on June 3, 2007
10. ## Science

You are given 10 µL of a DNA stock solution that has 1.0 µg target DNA/µL. The target DNA molecule is 2.9 kb in length. Describe a set of serial dilutions that would yield a standard curve with the following concentrations: 2 x10^7 copies/µL, 2x10^6

asked by Meena on April 7, 2014
11. ## Chemistry

Consider 2 separate solutions, one of a weak acid HA and one of HCL. Assume that you started with 10 molecules of each. Draw a picture of what each solution looks like at equilibrium. Ok to my very limited knowledge on this subject so far, a weak acid at

asked by kevin on October 11, 2011
12. ## 8th grade math - Variations

Can you check the following, please? 1. Two minutes after a skydiver opens his parachute, he has descended 1900 feet. After 5 minutes, he descended 4750 feet. If distance varies directly with the time, at what rate is skydiver descending? Ans: to find unit

asked by Alexis on February 15, 2016
13. ## computers

1. It is important to include voice and point of view in writing because (1 point) A. It helps the reader understand the characters feelings and emotions B. It adds more words to the story C. It makes the information stand out D. It makes the story more

asked by Bob on March 3, 2014
14. ## Geography

How do you think the existence of nearly 3,000 ethnic groups and 800 languages affect life in countries south of the Sahara? The countries south of the Sahara show more diversity and variety of culture than anywhere in the world. This region speaks more

asked by Chandler on July 6, 2011
15. ## MATH Graphing Domain

Consider the linear function with equation y = 3x + 5. Sketch the graph of the linear function on the grid. h t t p : //img402 . imageshack . us/img402/1466/picture38c . j p g Here is a picture of the graph, and this is how I did it. h t t p : //img9 .

asked by Anonymous on September 13, 2011
16. ## Human Services

Creating a Budget Various budget approaches play an important role in resource allocation in human service organizations. You are the executive director for a local government workforce agency that focuses on providing career- and work-related skills. The

asked by Angel on February 1, 2012
17. ## Chemistry

Rates of Reactions I am conducting a experiment on increasing the rate of a reaction by increasing the surface area. For this I am reacting hydrochloric acid and marble chips. Variables:- -Independent: the mass of marble chips -Dependent: The volume of gas

asked by Anonymous on November 22, 2014
18. ## science

Rates of Reactions  I am conducting a experiment on increasing the rate of a reaction by increasing the surface area. For this I am reacting hydrochloric acid and marble chips.  Variables:-  -Independent: the mass of marble chips  -Dependent: The

asked by Heena on November 23, 2014
19. ## Chemistry

Rates of Reactions I am conducting a experiment on increasing the rate of a reaction by increasing the surface area. For this I am reacting hydrochloric acid and marble chips. Variables:- -Independent: the mass of marble chips -Dependent: The volume of gas

asked by Anonymous on November 22, 2014
20. ## Physics

A 0.40kg block is held against a compressed spring of stiffness 68.2N/m and compression 0.64m parallel to a 24 degree incline that is 1.27m long.  The coefficient of kinetic friction between the block and the incline is 0.34.  The external force holding

asked by Alphonse on October 15, 2012

Ok, I am supposed to find out what the variables are by factoring and finding square roots. I couldn't find the right factors of a and c that added up to b in the equation (did that make sense?). Please help me find them! TYVM -5n+6n^2-4=0 I know

asked by Emily on February 8, 2007
22. ## Chemistry

Reposting with correct information..Carbon tetrachloride (CCl4) and benzene (C6H6) form ideal solutions. Consider an equimolar solution of CCl4 and C6H6 at 25°C. The vapor above this solutionis collected and condensed. Using the following data, determine

asked by Minx on December 8, 2011
23. ## Math

My answers 1.A 2.C 3.D 4.A 5.A 6.D 7.B 8.D 9.D 10.C 1. Write the following ratio in simplest form: 32 min:36 min (1 point) 8:98:3632:9128:144 2. Marie saved \$51. On Wednesday, she spent \$8 of her savings. What ratio represents the portion of her total

asked by Bill Cipher on December 2, 2016
24. ## Accounting-balance sheet and income statement

Argo Sales Corporation has in recent years maintained the following relationships among the data on its financial statements: Gross profit margin 40% Net profit margin 10% Rate of selling expenses to net sales 20% Accounts receivable turnover 8 times per

asked by Peace on November 30, 2007
25. ## programing

1. Elements – sequence-series outputting Write a program that prints the following elements: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, (hereto referred to as elements) etc., up till a user-entered value. The program should not print more than 10 numbers per

asked by tefo sello on October 3, 2014
26. ## american goverment check answers

9. What criteria might a judge who abides by a philosophy of judicial restraint use to decide a case? (1 point) The judge would consider previous court decisions on the topic but ultimately consider the current circumstances and changes in society. The

asked by Anonymous on November 21, 2016
27. ## Chemistry

You want to neutralize 6 mol of sulfuric acid with 6.0 M sodium hydroxide. How much 6.0 M sodium hydroxide must you add to react exactly with the sulfuric acid? 2NaOH(aq)+H2SO4(aq)-->2H2O(l)+Na2SO4(aq) 2 moles sodium hydroxide for every 1 mol sulfuric

asked by Kierstin on May 7, 2016
28. ## AP Chem

At 25 oC, Kc = 0.145 for the following reaction in the solvent CCl4. 2BrCl Br2 + Cl2 A solution was prepared with the following initial concentrations: [BrCl] = 0.0482 M, [Br2]= 0.0307 M, and [Cl2]= 0.0277 M. What will their equilibrium concentrations be?

asked by Peter on March 8, 2013
29. ## Algebra

State the possible number of imaginary zeros of g(x)= x^4+3x^3+7x^2-6x-13 this is how far Ive gotten:there are 4 zeros,3 positive and 1 negative If you've found four real zeroes, then there are no imaginary zeroes. You can also see that there are no

asked by Marissa on August 10, 2007
30. ## Math

There are three distinct ways to add four positive odd numbers to obtain 10: 1 + 1 + 3 + 5 = 10 1 + 1 + 1 + 7 = 10 1 + 3 + 3 + 3 = 10 Here, distinct means that changing the order of the numbers on the left-hand side of an equation does not count as a new

asked by SkaterGirl on December 5, 2010
31. ## Chemistry Problem

At 25 oC, Kc = 0.145 for the following reaction in the solvent CCl4. 2BrCl Br2 + Cl2 A solution was prepared with the following initial concentrations: [BrCl] = 0.0482 M, [Br2]= 0.0307 M, and [Cl2]= 0.0277 M. What will their equilibrium concentrations be?

asked by Peter on March 8, 2013
32. ## physics

4 packets of charges are arranged in a circle. Each packet is 90 degrees from each other. Each packet consists of 22 elementary charges associated with the nucleus of two sodium atoms. A test charge is placed in the center of the circle of packets. The

asked by Pat on March 19, 2018
33. ## Math

1. Given the following polynomial: 2x^2 + 7x - 15 = 0 Check all that apply.  The value of the discriminant is 169.  There are 2 real roots.  There are 2 irrational roots.  The graph intersects the y-axis twice.  The parabola is directed

asked by Anonymous on June 21, 2017
34. ## Physics

A plane drops a bomb from an altitude of 10,000m. a. Determine the time the bomb is in the air. b. Determine the velocity the bomb would have right before it hits the ground. c. Before the bomb is launched the plane has a horizontal velocity of 92m/s.

asked by Alex on November 19, 2012
35. ## chemistry

Calculate the number of grams of reactant left over when 28.35 grams of silver reacts with 50.0 liters of air at STP which is 20.9476 % oxygen by volume. The density of air at STP is 1.292 g/L. attemt at a solution: m = dv = 64.6 g of air moles silver

asked by jason on November 7, 2008
36. ## Budget Matrix

Creating a Budget Various budget approaches play an important role in resource allocation in human service organizations. You are the executive director for a local government workforce agency that focuses on providing career- and work-related skills. The

asked by Jacilyn Troeger on May 7, 2009
37. ## Human Resources

Creating a Budget Various budget approaches play an important role in resource allocation in human service organizations. You are the executive director for a local government workforce agency that focuses on providing career- and work-related skills. The

asked by Dawn on June 30, 2013
38. ## Secondary Math

Fill in the empty spaces to complete the puzzle. In any row, the two left spaces should multiply to equal the right-hand space. In any column, the two top spaces should multiply to equal the bottom space. ________| - 3 | ___________ 3 | -5x+1 |-15x+3

asked by Rose Nicol on October 24, 2014
39. ## physics

A Carnot engine is operated between two heat reservoirs at temperatures 520 K and 300 K. (a) If the engine receives 6.45 kJ of heat energy from the reservoir at 520 K in each cycle, how many joules per cycle does it reject to the reservoir at 300 K? (b)

asked by Jen on December 2, 2007
40. ## physics

A Carnot engine is operated between two heat reservoirs at temperatures 520 K and 300 K. (a) If the engine receives 6.45 kJ of heat energy from the reservoir at 520 K in each cycle, how many joules per cycle does it reject to the reservoir at 300 K? (b)

asked by Jen on December 2, 2007
41. ## math

marcy has a total of 100 dimes and quarters. if the total value of the coins is \$14.05, how many quarters does she have? You need two equations to substitute into each other. You need one for the total number of coins, and one for the amount. d=# of dimes

asked by help me on April 26, 2007
42. ## chemistry

For the reaction H2(g) + I2(g) ¡ê 2 HI(g), you have the initial concentrations [H2] = 0.15 and [I2] = 0.05. Keq for the reaction at this temperature is 4.5 x 10-6. Make a reaction table. Include rows for initial concentration, change in concentration,

asked by Anonymous on May 4, 2012
43. ## Physics (2)

Consider a charged ring of radius 43.4 cm and total charge 18 nC. We are interested in the electric field a perpendicular distance z away from the center of the ring. At what distance from the center of the ring does the electric field become maximum ..so

asked by Andrew on February 11, 2010
44. ## chemistry

For the reaction H2(g) + I2(g) ↔ 2 HI(g), you have the initial concentrations [H2] = 0.15 and [I2] = 0.05. Keq for the reaction at this temperature is 4.5 x 10-6. Make a reaction table. Include rows for initial concentration, change in concentration, and

asked by Anonymous on April 24, 2012
45. ## chemistry

For the reaction H2(g) + I2(g) ↔ 2 HI(g), you have the initial concentrations [H2] = 0.15 and [I2] = 0.05. Keq for the reaction at this temperature is 4.5 x 10-6. Make a reaction table. Include rows for initial concentration, change in concentration, and

asked by Anonymous on April 23, 2012
46. ## maths

the load which a crame can lift up is directly proportional to the mass and inversely proportional to the height through which the load is to be lifted.if a load of 40+ and mass of 175gm is lifted through height from what load will be carried through

asked by chinaemerem on April 25, 2017
47. ## Math - extreme values

Identify the critical points and find the extreme values on the interval [-1,-5) for f(x)=cosx+xsinx+3 I've taken the derivative which gives me f'(x)=xcos(x). I know I have to solve to get the critical points and then plug in the critical points that are

asked by Anonymous on March 9, 2017
48. ## Physics

The boom weighs 2450 and is attached to a friction less pivot at its lower end. It is not uniform; the distance of its center of gravity from the pivot is 39.0 of its length. What is the tension in the guy wire? Link to picture of problem which is needed

asked by John on April 27, 2013
49. ## Physics

The boom weighs 2450 and is attached to a friction less pivot at its lower end. It is not uniform; the distance of its center of gravity from the pivot is 39.0% of its length. What is the tension in the guy wire? Link to picture of problem which is needed

asked by John on April 28, 2013
50. ## physics

A bowling ball of mass 7.45 kg is rolling at 2.56 m/s along a level surface. (a) Calculate the ball's translational kinetic energy. J (b) Calculate the ball's rotational kinetic energy. J (c) Calculate the ball's total kinetic energy. J (d) How much work

asked by alba on March 6, 2015
51. ## physics

A bowling ball of mass 7.45 kg is rolling at 2.56 m/s along a level surface. (a) Calculate the ball's translational kinetic energy. J (b) Calculate the ball's rotational kinetic energy. J (c) Calculate the ball's total kinetic energy. J (d) How much work

asked by alba on March 19, 2015
52. ## Physics

A bowling ball of mass 7.45 kg is rolling at 2.56 m/s along a level surface. (a) Calculate the ball's translational kinetic energy. J (b) Calculate the ball's rotational kinetic energy. J (c) Calculate the ball's total kinetic energy. J (d) How much work

asked by Yesica on March 6, 2015
53. ## anthropology

You are an anthropologist conducting research with prostitutes on HIV/AIDS. You uncover evidence of an illegal activity (other than prostitution) involving both informants and businesses in the area. When you bring this to your research team’s attention,

asked by friend on June 11, 2007
54. ## Chemistry

So I have had several homework problem like this and managed to solve them easily, but these two problems I cannot get the correct answer for. Using a Table of thermodynamic data, calculate the change in Gibbs free energy for each of the following

asked by Don on February 17, 2011
55. ## Engineering Economics

Hi there, I am having some trouble solving this problem, can you give some guidance as to the solution. What is the amount of 10 equal annual deposits that can provide five annual withdrawals, when a first withdrawal of \$1000 is made at the end of year 11,

asked by Marzi on January 27, 2009
56. ## chemistry

I have 3 grams of CaCI2 and dissolve this into 0.5 L water. What is the concentration in g/dl (grams/deciliter)? I take 10 milliliters of this solution and add it to 990 milliliters of watet fo a total of 1000 milliliters. What is the concentration of this

asked by maria on September 17, 2014
57. ## CHEM

The vapor pressure of pure water at 25 °C is 23.8 torr. Determine the vapor pressure (torr) of water at 25 °C above a solution prepared by dissolving 35 g of urea (a nonvolatile, non-electrolyte, MW = 60.0 g/mol) in 75 g of water. where have i made a

asked by BEN on September 16, 2010
58. ## Physics

As an aid in working this problem, consult Interactive Solution 3.62. A ferryboat is traveling in a direction 32.0 ° north of east with a speed of 5.38 m/s relative to the water. A passenger is walking with a velocity of 1.50 m/s due east relative to the

asked by Hannah on October 5, 2015
59. ## Math

Huong covered a box with sticky-backed decorating paper. The paper costs \$.03 per square inch. How much money will Huong need to spend on paper if the length is 7 inches, width is 3 inches, and the height is 9 inches? I thought Huong needed to spend \$3.42

asked by Monica on October 9, 2013
60. ## Math

Assume it costs Microsoft \$4,300 to manufacture 7 Xbox 360s and \$8,290 to manufacture 14. Obtain the corresponding linear cost function. C(x)= (what formula do I use to get the cost function, because I can't get it) What was the cost to manufacture each

asked by Amie on February 19, 2012
61. ## Algebra

Assume it costs Microsoft \$4,300 to manufacture 7 Xbox 360s and \$8,290 to manufacture 14. Obtain the corresponding linear cost function. C(x)= (what formula do I use to get the cost function, because I can't get it) What was the cost to manufacture each

asked by Max on February 19, 2012
62. ## Chemistry(defintions)

I need help on finding the definitions to these: Pressure being constant, the amount of heat in a chemical equation ___________. Randomness of particle measurement is called __________. Calories required to convert 1gm of liquid to vapor without a change

asked by Bill on April 6, 2010
63. ## QUESTION

21n+36n+7 I got 57n+7 my book has 57n+10 how'd they get 10?? also what this all about? how do I do it? 3x2'+4x-6 +2x2'-2x+5 the twos are a little one, slightly above the x I don't know what you are supposed to do for the first one. Is that all the problem?

asked by chrissy on August 2, 2007
64. ## ALGEBRA

You have just landed your first summer job and your boss has told you that you can choose from one of 3 pay structures for the first week (7 days) that you work there. And after the first week, your pay will be frozen at the final rate for the remainder of

asked by Anonymous on August 5, 2016
65. ## Physics

A spring has a force constant of 478 N/m and an unstretched length of 9 cm. one end is attached to a post that is free to rotate in the center of a smooth table. the other end is attached to a 4kg disc moving in uniform circular motion on the table, which

asked by bubba on November 13, 2009
66. ## Chemistry

In the study of biochemical processes, a common buffering agent is the weak base trishydroxymethylaminomethane, often abbreviated as Tris. At 25 C, Tris has a pKb of 5.91. The hydrochloride can be abbreviated as Tris HCl. What volume of 10.0 M NaOH is

asked by Alexandra on November 14, 2010
67. ## As physics

In a hockey match a hockey ball is hit 18m from the front of the goal. The ball leaves the hockey stick with initial velocity v at angle theta to the horizontal ground. The ball passes over the goal at a maximum height of 2.0m. The initial vertical

asked by cylinder on November 7, 2017
68. ## Math Analysis

What is the apparent size of an object 1 cm long held 80 cm from your eyes? ==> When they say "apparent size", they mean the angle from which one object is viewed by, say, a person (or in this case a pair of eyes). I thought I'd be able to find the angle

asked by Emily on January 6, 2010
69. ## college physics

A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the rocket. The bolt hits the ground 7.00s later. What is acceleration of rocket. I believe if you use x(final)= x(initial

asked by Drew on September 6, 2009
70. ## math

A tree casts a shadow that measures 4 ft, At the same time, a yardstick casts a shadow that is 9 in long. How tall is the pole? Assuming that the light comes from the same sources (in this case, the sun), the ratio of the yardstick (one yard) and its

asked by carol on March 7, 2007
71. ## Math

Suppose an object is dropped from a height h0 above the ground. Then its height after t seconds is given by h = −16t 2 + h0, where h is measured in feet. Use this information to solve the problem. A ball is dropped from the top of a building 59 ft tall.

asked by G on January 24, 2015
72. ## Chemistry

Two fixed charges, -4μC and -5μC, are separated by a certain distance. If the charges are separated by 20cm, what is the magnitude of the electric field halfway between the charges? My textbook says that the formula for electric field is (kq)/r^2. But

asked by Emma on February 9, 2016
73. ## math

Donald is hiring employees for his new small business. He expects to produce 6 units per employee, and he expects demand to be at least 36 units per day. He plans to pay each employee a yearly salary of \$50,000 and has a budget of \$400,000 per year to pay

asked by teresa on March 22, 2018
74. ## Phoenix

Projectile motions problems are some of the most important problems you will encounter in this course. Through this discussion, we will solve a projectile motion problem step by step Assume a projectile is launched from ground height over a flat plane, at

asked by Rick on May 10, 2013
75. ## Science

3. A gene is to a chromosome as? A.)A pea is to a pod**** B.)A front is to a back C.)A bike is to a car D.)A building is to a window 4.What is heredity? A.)Is acquired later in life B.)The study of reproduction C.)The process of having offspring D.)The

asked by Alyson on January 25, 2016
76. ## Chemistry

3Ca(NO3)2(aq)+2Na3PO4(aq)->Ca3(PO4)2(s)+6NaNO3(aq) A.)the moles Na3PO4 required to react with 2.03 L of 0.891 M Ca(NO3)2 B.)the grams of Ca3(PO4)2 that can be obtained from 136 mL of 0.627 M Ca(NO3)2 C.)the volume of 0.76 M Na3PO4 needed to react with 25

asked by Anonymous on December 10, 2010
77. ## college algebra

A store sells cashews for \$5.00 per pound and peanuts for \$1.50 per pound. The manager decides to mix 30 pounds of peanuts with some cashews and sell the mixture for \$3.00 per pound. How many pounds of cashews should be mixed with the peanuts so that the

78. ## maths

Felicity has just commenced work and is investigating superannuation funds. She calculates that she will need \$1 000 000 in her fund when she retires in 40 years. She finds a fund guaranteeing to pay interest on each deposit at a rate of 6% per annum

asked by gscc on June 14, 2016
79. ## maths

Felicity has just commenced work and is investigating superannuation funds. She calculates that she will need \$1 000 000 in her fund when she retires in 40 years. She finds a fund guaranteeing to pay interest on each deposit at a rate of 6% per annum

asked by gscc on June 13, 2016
80. ## Urgent 1 Math question

Elaine has a customer who needs a box with a volume of 12 cubic inches. Th e customer wants to know what size box is the least expensive to buy. • Th e price will be based on surface area. Th e supplier charges _ 21_ cent per square inch. • Th e

asked by Neisha on March 3, 2013
81. ## ChEM ASAP PLZ

n the water gas shift reaction (below, unbalanced), equal masses of methane and water were placed in the reactor and the total mass of the reactants was 274 kg. _______ CH4 (g) + _______ H2O (g) → _______H2 (g) + _______ CO2 (g) Given: MW of CH4 is 16.04

asked by Anonymous on December 13, 2017
82. ## Calculus

The profit (in millions of dollars) from the sale of x million units of Blue Glue is given by p= .7x-25.5. The cost is given by c= .9x +25.5 (a) Find the revenue equation. (b) What is the revenue from selling 10 million units? (c)What is the break-even

asked by GetYourLeash on July 4, 2005
83. ## AlgebraB-2

I need help with figuring out how to do these problems to get the right answer. Appreciate any help. Thanks. Multiple choice: 1. What is the value of n so that the expression x² + 12x + n is a perfect square trinomial? 6 36 72 144 2. What are the

asked by Jennifer W. on March 20, 2013
84. ## Quantum Computing

In this problem, we will carry out some steps of the quantum factoring algorithm for N=21. (a) What is the period k of the periodic superposition set up by the quantum factoring algorithm if it chooses x=2? In other words, what is the period of f(j)=2^j

asked by imath on September 22, 2013
85. ## biology

Caffeine is the most widely used stimulant in the world today. This naturally produced molecule is found in popular beverages from coffee to black tea to Coca Cola. Although humans use caffeine to ward off drowsiness, the caffeine produced by plants makes

asked by selly on March 13, 2013
86. ## physics

"Free-fall" Assigning Variables: Acceleration: If an object is going down: a = __________ If an object is thrown up: a = _________ If an object is dropped: a = _________ If an object is launched: a = _________ If yall could just give me the equations or

asked by anonymous on October 1, 2006
87. ## Math

Please help me to solve it, today is mydue day ! Suppose an individual makes an initial investment of \$2400 in an account that earns 8%, compounded monthly, and makes additional contributions of \$100 at the end of each month for a period of 12 years. After

asked by Thanh on July 29, 2011
88. ## History

I am not very sure as to what I should say but I kind of have an Idea but I need some one to lend a hand putting it all together into a paragraph written answer not an essay, but it is worth 100 points, this help would be greatly appreciated! NOTE! I am

asked by Ronald on January 7, 2016
89. ## 7th grade health question

1. What does smart snacking mean? (1 point) Eat while you are studying Eat what your brain tells you to eat Eat nutrient dense foods Read a cookbook 2. What is NOT a way to keep foods safe? (1 point) If it looks and smells okay, it is safe to eat Wash

asked by Delilah on October 10, 2012
90. ## Geometry

Conic sections: Ellipse Show that the distance between the directrix and center is D1C = a/e. F1V1 + F1V2 = eD1V1 + eD1V2 2a = e(D1V1 + D1V2) = e(D1V1 + [D1V1 + V1V2]) = e(D1V1 + V1V2 + V2D2) = e(D1V1 + V1C + + CV2 + V2D2) = e([D1V1 + V1C] + [CV2 + V2D2])

asked by B on November 9, 2014
91. ## Physics

A crate with a total mass of 18.0 kg is pulled by a person along the floor at a constant speed by a rope. The rope is inclined at 20 degree above the horizontal, and the crate moves 20.0 m on a horizontal surface. The coefficient of kinetic friction

asked by Anonymous on August 8, 2013
92. ## Physics-check plz

If a pitcher throws a fast ball with a speed of 35 m/s. The ball has a mass of 220 grams. a) how much work was done in throwing the ball? b) If the catcher catches the ball by moving his mitt 15 cm. backward what force did he exert? a.) Throwing the ball

asked by Sasha on June 20, 2014
93. ## algebra

Could someone look over this paper before I turn it in? Thanks Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people

asked by Debbie on February 20, 2012
94. ## Math/117 University of Phoenix

Could someone look over this paper before I turn it in? Thanks Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people

asked by Debbie on February 20, 2012
95. ## math/117

Could someone look over this paper before I turn it in? Thanks Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people

asked by Debbie on February 19, 2012
96. ## Data Structure

A group of k villagers must cross, the Sarawak river, which is a wide and deep river. There is no bridge in sight. They notice two 10-year-old boys playing in a rowboat at the shore. The boat is so tiny and it can hold only two boys or one villager. How

asked by Bell on May 6, 2014
97. ## Algebra (worksheet due tomorrow)

I cannot figure out what the answer to this problem is. Can somebody help plz? any help is greatly appreciated! Tony swims 100 m downstream in 175 seconds. It takes him 400 seconds to swim back upstream. 5. Find Tony's rate with the current. I got r+c=175,

asked by Emily on March 29, 2007
98. ## physics

Equal 0.400-kg mass of lead and tin at 60 degrees celsius are placed in 1kg of water at 20 degrees celsius. a) what is the equilibrium temperature of the system? b)if an alloy is half lead and half tin by mass, what specific heat would you anticipate for

asked by anonymous on February 17, 2013
99. ## science

when copper metal is added to silver nitrate in solution, silver metal and copper (II) nitrate are produced. what mass of silver is produced from 100.g Cu?

asked by Sandy on April 19, 2016
100. ## Chemistry

Explain Why some ionic compounds are soluble in water. Explain why non-ionic compounds, such as ethanol or sugar are soluble in water. Explain what a saturated solution.

asked by Allison on March 10, 2015