# Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

143,010 questions, page 209
1. ## question

Who really runs the country? ______ the president, congress Sorry, I forgot to mention that my teacher said the answer is not the President or Congress. That's what I thought, too. Well your teacher is very opinionated. Adam Smith and the invisible hand

asked by anonymous on August 30, 2006
2. ## Geometry / Math

Hi guys I need help ASAP, I have tried every thing I know about math and I cant figure any of them out. Thank you... _________________________________ 1. Use a formula to find the surface area of the square pyramid. (H.6ft.)(W.3ft.)(L.3ft.) A. 45 ft B. 81

asked by Please Help on February 15, 2016
3. ## college essay

Yeah...The Multiculturalism is very appropriate to my idea. What I worried was, is it sounds too teminological? Anyway, now I use it. On the application form, there is only 9 lines that I can write this paragraph. I think only fit in about 100 words,so I

asked by Jenni on November 21, 2006
4. ## Physics

Three infinite uniformly charged thin sheets are shown in the figure below. The sheet on the left at x=-d is charged with charge per unit area of -3σ , The sheet in the middle at x=0 is charged with charge per unit area of +σ , and the sheet on the right

asked by P on March 5, 2013
5. ## statistics

According to the Smart magazine, 70% of smokers started smoking before the age of 18. Suppose 10 smokers are randomly selected and the number of smokers who started to smoke before the age of 18 is recorded. a) explain why this is binomial experiment. b)

asked by jerry on February 7, 2011
6. ## stats

Between 11 P.M. and midnight on Thursday night, Mystery Pizza gets an average of 5.7 telephone orders per hour. a) Find the probability that at least 32 minutes will elapse before the next telephone order. b) Find the probability that less than 17 minutes

asked by anonymous on October 31, 2010
7. ## English

Punctuating Sentences The goose bit the mailman on the leg. Your answer: 1. no change good ~~~~~~~~~~~~~~~~~~~ Punctuating Sentences With five gallons of gas. Your answer: 2.With five gallons of gas, the car will not run for long. good ~~~~~~~~~~~~~~~~~~~~

asked by Writeacher on May 29, 2007
8. ## Social Studies

After reading more text I changed my answers on these two 1."Immigrants who arrive in american cities are poor and frightened. They are helped to find jobs and housing. There new comers should show their gratitude at voting time."Use this statement to

asked by Reeses on March 29, 2017
9. ## Grams

How many grams are there in an ounce? Thanks from Sheryl There are 453.592 grams in a pound so divide that by 16 to get 1 oz = 28.3495231 grams How can I teach someone else to read? That's a good question and I'll let the experts give you a complete

asked by Sheryl on October 7, 2006
10. ## Economics

How does the expenditure approach calculate GDP? ____________________________________ A. It adds up all the incomes in the economy. B. It adds up the value of four groups of final goods and services. C. It adds up the value of business goods and services.

asked by ♥Nirvana♥ on February 18, 2016
11. ## Math!

Wasim is paid on a graduated scale of 5% on the first \$10,000 of sales in a month, 7% on the next \$25,000, and 9% on all additional sales. a)What will he be paid in a month in which sales are \$62,760? (round the answer to the nearest cent.) b)What fixed

asked by Thara! on January 28, 2010
12. ## Philosophy(PleaseHelp)

Hi, can someone tell me if these 3 multiple choice questions is correct? I'm struggling with these 3 questions and trying to make sure if they are correct. For Kant, the moral worth of an action lies in: a. The predicted effects of that action. b. The

asked by Monte on January 19, 2014
13. ## Chemistry

027 (part 1 of 3) 10.0 points Copper reacts with silver nitrate through single replacement. If 3.03 g of silver are produced from the reaction, how much copper(II) nitrate is also produced? Answer in units of mol. 028 (part 2 of 3) 10.0 points How much Cu

asked by danny on April 9, 2015
14. ## pre-calculus urgent

The first term of an arithmetic sequence is 6, and the tenth term is 2. (a) Find the common difference d. d = Find the 100th term of the sequence. a100 = (b) Find the partial sum of the first ten terms. S10 = how do i do this, there's an example I tried

asked by Alex on August 15, 2015
15. ## Math 2

Use the diagram to find the surface area of a triangular prism. Find the area of the two triangular faces. Then find the area of each of the three rectangular faces. What is the surface area? Describe how you solved the problem. Prism has numbers of 4, 3,

asked by Jenny 2 on April 3, 2014
16. ## Math

Hi. I have a few math questions I need some help with. Hamid Husain took out a \$50,000, 5-year term policy at age 50. The premium per \$1,000 was \$4.80. He will be 55 years old this year. The premium per \$1,000 will be \$6.58. What is the percent increase?

asked by Kailey on March 22, 2015
17. ## Math

Hi. I have a few math questions I need some help with. Hamid Husain took out a \$50,000, 5-year term policy at age 50. The premium per \$1,000 was \$4.80. He will be 55 years old this year. The premium per \$1,000 will be \$6.58. What is the percent increase?

asked by kk on March 24, 2015
18. ## Physics

Okay, I saw this one previously posted, but the answer it kept leading me to was wrong. A sports car of mass 1400kg (including the driver) crosses the rounded top of a hill (radius 88m) at 23 m/s. Find the normal force exerted by road on the car. I thought

asked by Morgan on March 7, 2010
19. ## Algebra 2

Find an equation for the linear model of the situation below and use it to make a prediction. A train is traveling north at a constant rate. At 3:00 P.M. it is 55 miles north of a city. At 4:15 P.M. it is 80 miles north of the city. If d represents the

asked by Mary on October 11, 2011
20. ## Math

1) Maria is 6 times as old as Tina. In twenty years, Maria will be only twice as old as Tina. How old is Maria now? Please explain how you got your answer. Thanks! 2) Rating. Relative speed of flow 10W. Half as fast as 5W 15W. Half as fast as 10W 20W. Half

asked by Jessica on January 15, 2018
21. ## Geometry

Find the area of the rhombus: In rhombus ABCD, AB=11 and AC=13. Find the area of the rhombus. What should be done to find the values of the diagonals?

asked by Anonymous on January 6, 2011
22. ## Geometry

Find the area of the rhombus: In rhombus ABCD, AB=11 and AC=13. Find the area of the rhombus. What should be done to find the values of the diagonals?

asked by Anonymous on January 7, 2011
23. ## Civics- Help PLEASE

1. Which goal of foreign policy relates to protecting the safety of Americans? Spreading democracy World peace „² My Answer National security Humanitarian help 2. Which foreign policy approach describes a country that avoids interaction with other

asked by Skye on May 20, 2014
24. ## physics- answers check

5. A magnetic field map shows a. the direction of the magnetic field. b. a few representational field lines. c. relative strength of the magnetic field. d. All of these choices are correct. my answer: d 6. Magnetic field lines a. can cross each other when

asked by Liz on May 10, 2014
25. ## professional ethics in engineering

Rachel works as a Quality Assurance Engineer at a large electronics company. She is responsible for the final testing of her company’s servers and is part of a team which decides when new products will be shipped to distributors for sale. Rachel’s

asked by mohammed on April 4, 2018
26. ## Economics

Member since: December 21, 2006 Total points: 154 (Level 1) * Best answer 75% * 4 answers Member Since: December 21, 2006 Total Points: 154 (Level 1) Points earned this week: -3 Your Open Question Show me another » Project Help!!!? Hi, I am doing a

asked by Sarah on January 30, 2008
27. ## home work

Problem 4: A block of mass m slides down a frictionless incline as: The block is released from height h above the bottom of the circular loop. (a) Find the force exerted on the block by the inclined track at point A. (Hint: Consider the Newton’s 2nd law

asked by ali on January 22, 2015
28. ## analytical mechanism

Problem 4: A block of mass m slides down a frictionless incline as: The block is released from height h above the bottom of the circular loop. (a) Find the force exerted on the block by the inclined track at point A. (Hint: Consider the Newton’s 2nd law

asked by ali on January 22, 2015
29. ## physics

In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each other with slingshots. The horizontal distance between the buildings is 36.0 m, and the heights of the Jackson and Walton buildings

asked by Anonymous on September 25, 2012
30. ## physics

In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each other with slingshots. The horizontal distance between the buildings is 36.0 m, and the heights of the Jackson and Walton buildings

asked by Anonymous on September 25, 2012
31. ## physics

In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each other with slingshots. The horizontal distance between the buildings is 36.0 m, and the heights of the Jackson and Walton buildings

asked by Anonymous on September 25, 2012
32. ## Calculus- PLEASE HELP

A rectangular piece of tin has an area of 1334 square inches. A square tab of 3 inches is cut from each corner, and the ends and sides are turned up to make an open box. If the volume of the box is 2760 cubic inches, what were the original dimensions of

asked by James on June 14, 2016
33. ## math

What is outliers? how do you solve this problem? please give me some answers. In statistics outliers are data points that very far from the mean. There are some rules of thumb for determining them, but I don't recall them right off hand and don't want to

asked by Brittney on September 6, 2006
34. ## MATH

Hi guys I need help ASAP, I have tried every thing I know about math and I cant figure any of them out. Thank you... _________________________________ 1. Use a formula to find the surface area of the square pyramid. (H.6ft.)(W.3ft.)(L.3ft.) A. 45 ft B. 81

asked by Help Edgar on February 15, 2016
35. ## insulin-food intake

Through which mechanism does insulin affect food intake? a. it enables the intestines to digest certain types of protein that they would not otherwise be able to digest b. it increases the percentage of each meal that is stored as fats c. it increases the

asked by Melissa on October 23, 2007
36. ## insulin - food intake

Through which mechanism does insulin affect food intake? a. it enables the intestines to digest certain types of protein that they would not otherwise be able to digest b. it increases the percentage of each meal that is stored as fats c. it increases the

asked by Melissa on October 22, 2007
37. ## insulin-food intake

Through which mechanism does insulin affect food intake? a. it enables the intestines to digest certain types of protein that they would not otherwise be able to digest b. it increases the percentage of each meal that is stored as fats c. it increases the

asked by Melissa on October 22, 2007
38. ## Science

I need a explanation of why u choose to put each career with the specific skill, make sure to support your answer with proper reasoning and examples. Provide two more additional skills needed for each career. I need the answer to have all the scientific

asked by Ellie on January 22, 2019
39. ## Algebra

I needed help with these problems: 1.Charles wants to dig a rectangular flower bed which is twice as long as it is wide. Let x be the number in feet in width. If you are given a width for the rectangle, would you evaluate the expression or write an

asked by Jillian on August 21, 2008
40. ## Calculus

This problem set is ridiculously hard. I know how to find the volume of a solid (integrate using the limits of integration), but these questions seem more advanced than usual. Please help and thanks in advance! 1. Find the volume of the solid formed by

asked by Jillian on April 5, 2008
41. ## Math

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

asked by Anonymous on June 18, 2008
42. ## Chemistry

The equilibrium constant for the reaction 2SO2 + O2 2SO3(all are gases) at a certain const temperature is 846.4mol/dm^3. At equilibrium in a 1dm^3 vessel, 0.5 moles of SO2, 0.1 moles of O2, and 4.6 moles of SO3 were found. How many moles of oxygen must be

asked by Karan on October 29, 2015
43. ## Physics

A particle has ⃗r(0) = (4 m)j and ⃗v(0) = (2 m/s)i. If its acceleration is constant and given by ⃗a = −(2 m/s2) (i +j), at what time t does the particle first cross the x axis? Answer in units of s. part 2. At what time t is the particle moving

asked by Christian on September 20, 2010
44. ## Algebra

A lab is growing bacteria in a culture dish. The amount of bacteria in the dish doubles every 3 hours. Initially, there are 500 bacteria in the dish. How many are in the dish after 9 hours? My answer: 4000 -(5)^-1 My answer: -1/5

asked by Anonymous on February 6, 2014
45. ## math

A lab is growing bacteria in a culture dish. The amount of bacteria in the dish doubles every 3 hours. Initially, there are 500 bacteria in the dish. How many are in the dish after 9 hours? My answer: 4000 -(5)^-1 My answer: -1/5

asked by Anonymous on February 6, 2014
46. ## algebra

Translate the phrase into a mathematical expression and then simplify. Nine times a number decreased by six times the same number. My answer is 9x-6x Write the corresponding mathematical expression. The simplified expression is______? I do not know this

asked by kita on March 5, 2013
47. ## physics

Consider the 59 N weight held by two cables The left-hand cable is horizontal. What is the tension in the cable slanted at an angle of 51◦? Answer in units of N. What is the tension in the horizontal cable? Answer in units of N.

asked by Greg on November 7, 2008
48. ## physics

A particle has ⃗r(0) = (4 m)j and ⃗v(0) = (2 m/s)i. If its acceleration is constant and given by ⃗a = −(2 m/s2) (i +j), at what time t does the particle first cross the x axis? Answer in units of s. part 2. At what time t is the particle moving

asked by squires on September 2, 2011
49. ## math

Solve the following system of equations. You will type your x value in the first part and the y value in the second part of the question. If the answer if no solution then type NS in both parts and if the the answer is infinite solutions then type I in

asked by Anonymous on January 23, 2018
50. ## algebra

Solve the following system of equations. You will type your x value in the first part and the y value in the second part of the question. If the answer if no solution then type NS in both parts and if the the answer is infinite solutions then type I in

asked by samay on January 22, 2018
51. ## physics

Consider the 59 N weight held by two cables The left-hand cable is horizontal. What is the tension in the cable slanted at an angle of 51◦? Answer in units of N. What is the tension in the horizontal cable? Answer in units of N.

asked by Greg on November 7, 2008
52. ## science simple machines

how much effort is needed to lift 300 newtons with a pulley? If by effort you mean force, then the answer is 300 N (300 Newtons). If by effort you mean work, I believe the answer is 300 N multiplied by the distance pulled.

asked by carla on September 27, 2006
53. ## Math

Solve the following system of equations. You will type your x value in the first part and the y value in the second part of the question. If the answer if no solution then type NS in both parts and if the the answer is infinite solutions then type I in

asked by Bill on January 24, 2018
54. ## Physics

A proton accelerates from rest in a uniform electric field of 620 N/C. At one later moment, its speed is 1.30 Mm/s (nonrelativistic because v is much less than the speed of light). (a) Find the acceleration of the proton. m/s2 (b) Over what time interval

asked by Zoe on February 1, 2010
55. ## Calculus II

Hi, I can't seem to find out how to do this. My textbook has two Q(t) values in the example and I don't know how to interpret this problem. An institute finds that the average student taking Elementary Machine Shorthand will progress at a rate given by

asked by Catherine on October 15, 2017
56. ## Physics

A hiker follows a route that consists of three displacement vectors A, B, and C. Vector A is along a measured trail and is 1550 meters in a direction 25 degrees north of east. The direction of Vector B is 41 degrees east of south, and the direction of

asked by Anonymous on January 19, 2009
57. ## English-Beowulf

Who is Scyld? Where is he from? Where does he go? What does he do? Why does the poem begin here rather than with Hrothgar and Grendel? Scyld id Beowulf's father. Scyld was a Danidh king from the Scandion Lands. Scyld leaves to protect Lord Frea where he

asked by Audrey on August 31, 2007
58. ## Algebra 2

I am creating a project for math in which I have to draw an object using: parabolas, hyperbolas, circles,etc. We use conic section equations to identify where they are on the graph. I have confusion about writing the equation of parabolas. I know the

asked by mariya on June 5, 2007
59. ## College Physics

Consider a rock thrown off a bridge of height 78.5 m at an angle è = 25° with respect to the horizontal as shown in Figure P4.20. The initial speed of the rock is 15.6 m/s. Find the following quantities: (a) the maximum height reached by the rock (b) the

asked by HELP on September 12, 2011
60. ## chemistry (Pls Bob check for me)

A 1.2g mixture of na2c03 and k2c03 was dissolved in water to form 100cm3 of s solution, 20cm3 of this solution required 40cm3 of 0.1N hcl for neutralization. Calculate the wieght of na2c03 and k2c03 in the mixture The answer 0.4G My own calculation: na2c03

asked by Fai on February 24, 2013
61. ## Math

For this problem my equation is Y=70+110e^kt but i keep getting it wrong any suggestions? A roasted turkey is taken from an oven when its temperature has reached 185 Fahrenheit and is placed on a table in a room where the temperature is 75 Fahrenheit. (a)

asked by someone on May 12, 2012
62. ## math

For this problem my equation is Y=70+110e^kt but i keep getting it wrong any suggestions? A roasted turkey is taken from an oven when its temperature has reached 185 Fahrenheit and is placed on a table in a room where the temperature is 75 Fahrenheit. (a)

asked by someone on May 12, 2012
63. ## Adv. Spanish

May you please see if the Spanish translation is properly worded and grammatically correct based on what I am trying to say it in English? Jorge Luis Borges is one of the great literary individuals of Argentina. He is a poet, essayist, and short-story

asked by Anonymous on May 31, 2010
64. ## math

if A (2, -1) and B (4,7) are endpoints of a diameter of a circle, what is the area of the circle? a)16pi b) 17pi c) 18pi d)144pi e)1156pi Plot the two points and join 'em with a line. Now plot another point C (4, -1). And then simply run a line from B down

asked by Christine on June 24, 2005
65. ## Lesson 4 Poetry, Part 1

1. Walt Whitman’s excerpt from Song of Myself can be considered an expression of A. populism. C. imagism. B. romanticism. my answer D. conventionalism. 2. Which one of the following poems has the rhyme scheme AA BB CC DD . . .? A. “since feeling is

asked by ari on January 3, 2010
66. ## Math - Vectors

Let the points A = (−1, −2, 0), B = (−2, 0, −1), C = (0, −1, −1) be the vertices of a triangle. (a) Write down the vectors u=AB (vector), v=BC(vector) and w=AC(vector) (b) Find a vector n that is orthogonal to both u and v. (c) Find a

asked by Drake on May 31, 2016
67. ## US History

If you have a map of 19th century US and the names of the states are changed to Irish names, ie: Irish Sea , Mulligan, etc. And the question was to compare the map to a typical US map, would you answer with just explaining the obvious changes, or is there

asked by lulu on October 30, 2016
68. ## Business Operations

It was a little past 9:00 on a Monday morning when Jeff Baker walked into your office with a box of donuts. He offered you one as he sat down. This didn’t strike you as odd since members of the staff often brought donuts or kolaches to pass around the

asked by Anonymous on April 20, 2010
69. ## Bus Ops

It was a little past 9:00 on a Monday morning when Jeff Baker walked into your office with a box of donuts. He offered you one as he sat down. This didn’t strike you as odd since members of the staff often brought donuts or kolaches to pass around the

asked by Awesome on February 5, 2011
70. ## Physics ~ missed this lecture pls help

An object is p = 34.3 cm in front of a concave mirror. Its real image height is 6 times larger than the object height. What is the location of the image? Answer in units of cm. What is the radius of curvature of the mirror? Answer in units of cm.

asked by cr on April 28, 2011
71. ## physics

A rigid container holds hydrogen gas at a pressure of 3.0 atm and a temperature of 20 degrees Celsius. What will the pressure be if the temperature is lowered to -33 degrees Celsius? Please give your final answer in atm. Answer

asked by deena on March 8, 2013
72. ## Math

The Martin family's truck gets an average o 25 miles per gallon. Predict how many miles they can drive using 7 gallons of gas? Answer: 25 miles per gallon x 7 gallons used=175 miles driven 175/7=25 Can you please check the above answer? Thank you

asked by Matt-Please Help on September 16, 2016
73. ## math - 5th grade

Hello: I am having difficulty witht the following math: Question #1 If the area of a circle is 27 sq. in. What is the radius? I am coming up with an answer of 13.5 sq. in. Is that correct? If not, can you show me step by step how to get the answer?

asked by Sylvie on February 20, 2010
74. ## Geometry

I have two questions about finding the slope. 1. If a staircase has 8 inches of rise for every 12 inches of tread, what is the slope of the staircase? So if I do rise/run that would be 8/12 and reduced would be 2/3 2. My second question is how to leave

asked by Rishi on February 11, 2016
75. ## Physics ~ please help!

An object is p = 34.3 cm in front of a concave mirror. Its real image height is 6 times larger than the object height. What is the location of the image? Answer in units of cm. What is the radius of curvature of the mirror? Answer in units of cm.

asked by cr on April 28, 2011
76. ## FRENCH

In my book the answer to: "Why does he learn rapidly" is: "il apprend rapidement parce que est intelligent." My answer would have been: "Il apprend rapidement parce qu'il est intelligent." Would the double usage of "il" in the same sentence be wrong

asked by E.G. on January 13, 2009
77. ## Chemistry

The equlibrium contstant for equation HNO2(aq) + H2O(l) H3O+ (aq) + NO2-(aq) is Ka = 5.6 E-4 M at 25.0 C. What is the value of Delta G rxn at 25.0 C when [H3O+] = [NO2-] = 1.5E-3 M and [HNO2] = 0.75 M? a) -13.0 kJ*mol-1 b) -16. 9 kJ*mol-1 c) -18.9 kJ*mol-1

asked by College Student on March 17, 2016
78. ## physics

The Wall of Death in an amusement park is comprised of a vertical cylinder that can spin around the vertical axis. Riders stand against the wall of the spinning cylinder and the floor falls away leaving the riders held up by friction. The radius of the

asked by shelby on February 13, 2008
79. ## math

A car was purchased for \$3,495 and will depreciate 20% of the original price each year. Find a linear function for the value of the car at time t in years. Define variables clearly. Graph the function you found in part A. A claim is made that the car will

asked by arik on November 2, 2016
80. ## French

Could you please check these answers to thanks. Directions: Answer the questions 1. La majoritè des élèves prennent le car scolaire pour aller à l' école? Answer: Oui, la majoritè des élèves prennent le car scolaire pour aller à l'école. 2. Les

asked by French 101 on March 4, 2009
81. ## math

Consider the following bivariate data. Point A B C D E F G H I J x 3 4 2 1 7 2 1 0 4 2 y 1 7 3 3 6 6 5 0 6 2 (a) Construct a scatter diagram of the given bivariate data. (Do this on paper. Your instructor may ask you to turn in this work.) (b) Calculate

asked by Sue 12 on May 30, 2013
82. ## math help

Can some one help me with this one??? Consider the following bivariate data. Point A B C D E F G H I J x 3 4 2 1 7 2 1 0 4 2 y 1 7 3 3 6 6 5 0 6 2 (a) Construct a scatter diagram of the given bivariate data. (Do this on paper. Your instructor may ask you

asked by Tom614 on June 11, 2013
83. ## Social Studies

This is for a Latin class, but as it has nothing to do with the language, it is more of a social studies question. For homework we had to complete a project on the Roman Empire. One part was to find all of the provinces, label them on a map, find the year

asked by Megan on December 1, 2013
84. ## History

Which best describes the reason for increased European sailing voyages during the Age of Discovery?Which best describes the reason for increased European sailing voyages during the Age of Discovery? explorers were seeking to find the lost ark of the

asked by malia on October 24, 2017
85. ## physics

A 51.4 N force is applied to the outer edge of a door of width d = 2.72 m a) Find the torque when the force acts perpendicular to the door. N · m (b) Find the torque when the force acts at an angle of è = 11.5° with respect to the door surface. N · m

asked by cobra on March 4, 2013
86. ## Statistics

A gambling game pays 4 to 1 and the chance of winning is 1 in 6. Suppose you bet \$1 on this game 600 times independently. 3A - Find the expected number of times you win. 3B - Find the SE of the number of times you win. 3C - Find the chance that you lose

asked by Din123 on May 18, 2013
87. ## statistics

Find the indicated binomial probabilities. Round to the nearest 3 decimal places. In a local college, 20% of the math majors are women. Ten math majors are chosen at random. 1) What is the probability that exactly 2 are women? 2) What is the probability

asked by please help me! on March 23, 2010
88. ## Statistics

A gambling game pays 4 to 1 and the chance of winning is 1 in 6. Suppose you bet \$1 on this game 600 times independently. 3A Find the expected number of times you win. 3B Find the SE of the number of times you win. 3C Find the chance that you lose more

asked by Pebble on May 18, 2013
89. ## English

Writeacher,I need you help to work out the questions to the following answers (You have already checked). 1) Which pattern does Robinson's education of Friday recall? What advantages does Robinson have over Friday? Robinson’s education of Friday recalls

asked by Henry on March 4, 2012
90. ## chemistry please step by step for me

what volume of hcl solution of density 1.2g/cm3 and containing 36.5% by weight hcl, must be allowed to react with zinc in order to liberate 4g of hydrogen I know this calculate this part, but I do not get the answer 333.3ml 1.2g/ml x 1000 x 0.365/36.5 =

asked by ken on July 4, 2014
91. ## Physics

Supercapacitors, with capacitance of 1.00F or more, are made with plates that have a spongelike structure with a very large surface area. Determine the surface area of a supercapacitor that has capacitance of 1.0F and an effective separation between the

asked by Caroline on September 28, 2011
92. ## chem

Balance the equation and answer in terms of moles. Chlorine gas can be produced commercially by passing an electric current through a con-centrated solution of sodium chloride (brine). The unbalanced equation is NaCl(aq) + H2O(`) ! NaOH(aq) + Cl2(g) +

asked by jack on February 15, 2012
93. ## English

Choose the answer that best matches the word "incandescent" One way to save money on electricity is to replace incandescent bulbs with compact fluorescent (CF) light bulbs. a. outside visible spectrum b. creating light by radiating heat c. emitting light

asked by Kaai97 on October 26, 2015
94. ## Science

Discuss your opinion of the consequences of artificial selection and the advantages and disadvantages of using genetic information in society. Use facts from your research to support your opinion. Cite the sources for your facts. Also, discuss your answer

asked by Valerie on March 7, 2017
95. ## spanish

so i tried doing this one: "¿Te gusta hascer rompecabezas?" "¡No! Hacer rompecabezas no es mi _____ favorita." a. liga b. crucigrama c. diversión d. campeona i know the first part of the question is asking, "Do you like to do jigsaw puzzles?" the answer

asked by y912f on April 29, 2009
96. ## Math

I was trying to answer a question with the formula of time= d/v Q:"an asteroid is 7.98x10^8km from the sun;if the speed of light is 2.99x10^8m/s, how many minutes will it take light from the sun to reach the asteroid." What I did in my calculator:

asked by Jasmine on May 23, 2018
97. ## chemistry

does this sound right for what happens with the zinc and lead nitrate reaction? could i add anything else? The zinc displaces the lead. You can observe the lead preipitating on the zinc surface. The zinc changes to black crystals which dissolve in the

asked by Nabiha on June 20, 2009
98. ## Biology

An example of homologous structures would be our front teeth and ___: a. the mandibles of a crab b. the mouthparts of a mosquito c. the beak of a bird d. the tentacles of a sea worm e. the front teeth of a horse I'm having difficult on which answer is

asked by KC on January 18, 2017
99. ## Physics

Calculate the resistance per unit length of a nichrome wire, which has a radius of 0.436 mm. The resistivity of nichrome is 1.5×10−6 Ω·m. Answer in units of Ω/m If a potential difference of 20 V is maintained across a 3.7 m length of the nichrome

asked by Kudo on February 24, 2012
100. ## Math

A laboratory has 60 cubic centimeters of a solution that is 40% HCI acid. How many cc of a 15% solution of HCI acid should be mixed with the 60 cc of 40% acid to obtain a solution of 25% HCI? How much of the 25% solution is there? I don't know how to write

asked by a on October 3, 2010