# Show that the equation 3x^2 - x^3 + 3 = 0 can be rearranged to give: x = 3 + 3 ---- x^2 x^3 = Divide by ? = x = 3 + 3 ---- x^2 Using Xn+1 = 3

62,835 questions, page 402
1. ## Poetry

Summer Colours by Fenny Sterenborg Long curls lightest blond like silver and gold in the saffron sun Summer dresses cool white show lots of skin golden brown Painted toenails fierce red in summer shoes walk by and catch eyes green and blue behind black

asked by John on June 6, 2010
2. ## Calculus

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 13, 2016
3. ## chemistry

Ammonium nitrate is used in explosives and is produced from the reaction of ammonia and nitric acid. If 15 kg of ammonia give an actual yield of 65.3 kg of ammonium nitrate, what is the percent yield? The calculated yield of ammonium nitrate for the

asked by Tsunayoshi on July 27, 2014
4. ## active physics

from the question we just did, how much force is neede to stop in 20 seconds! OK. think it through. If it's going at 10 m/s, and then it stops, what is it's change in velocity? is it 10 Yes, now it takes 20 seconds, so what is its acceleration (actually

asked by alejandra on November 2, 2006
5. ## hayley

Hayley, I have read a number of posts of yours, and noticed two things. a. you worry about grades far too much, after all, we have an entire life ahead of us. Perfection is not on the cards for most of us. b. you have an issue in reading comprehension, in

asked by bobpursley on August 15, 2017
6. ## maths

a car depreciates at rate of 10%per year. the car cost £20000 new. (a) explain why the car wont be worth £16000 after 2 years (b) show that the car will be worth £16200 after 2 years and find the value of the car after 3 years (c) describe the type of

asked by maryam on February 8, 2016
7. ## physics

The speed of a wave in a string is given by v = sqrt (FT/m), where FT is the tension in the string and m = mass / length of the string. A 2.00 m long string has a mass of 28.50 g. A 1024 g mass is attached to the string and hung over a pulley (see

asked by Idali on April 13, 2017
8. ## Psychology

This is a homework assignment for my Psychology course on Memory and learning. Find a Movie/video clip (1-3 mins)that demonstrate a concept / phenomenom relevant to learning and memory? My prof used Matrix (what we see is just our neuron firing) and Bourne

asked by Erica on March 12, 2009
9. ## physics

A boat crosses a river of width 174 m in which the current has a uniform speed of 1.13 m/s. The pilot maintains a bearing (i.e., the direc- tion in which the boat points) perpendicular to the river and a throttle setting to give a constant speed of 0.96

asked by vero on June 12, 2017
10. ## ap biology

i need help with this quewstion but i cannot post the graph i some one could help if you would like to give me your email and i will send it there. it would be great please i really need help * how do (1) temperature and (2) pH affect the activity of this

asked by carol on November 4, 2008
11. ## physics

A boat crosses a river of width 120 m in which the current has a uniform speed of 2.04 m/s. The pilot maintains a bearing (i.e., the direc- tion in which the boat points) perpendicular to the river and a throttle setting to give a constant speed of 2.58

asked by Anonymous on September 15, 2013
12. ## physics

The speed of a wave in a string is given by v = sqrt (FT/m), where FT is the tension in the string and m = mass / length of the string. A 2.00 m long string has a mass of 28.50 g. A 1024 g mass is attached to the string and hung over a pulley (see

asked by Idali on April 18, 2017
13. ## physics

The speed of a wave in a string is given by v = sqrt (FT/m), where FT is the tension in the string and m = mass / length of the string. A 2.00 m long string has a mass of 28.50 g. A 1024 g mass is attached to the string and hung over a pulley (see

asked by Idali on April 16, 2017
14. ## ChemistryStociometry

6.0g of cobolt (II) carbonate was added to 40cm3 of hydrochloric acid, concentration 2.0 mol/dm3. Calculate the maximum yield of cobalt (II) choloride-6-water and show that cobalt (II) carbonate was in excess. CoCO3 +2HCl = CoCl2 +CO2 + H2O CoCl2 + 6H2O =

asked by RM on January 1, 2017
15. ## mechanics

A constant force of 40N is applied tangentally to the rim of a wheel with 20cm radius. The wheel has a moment of inertia 30kg.m2. Find (a)angular acceleration (b)angular speed after 4seconds from rest (c)the number of revolutions made in that 4 seconds

asked by incredible on January 1, 2016
16. ## 12U Physics

An object is moving down a ramp that has mu=0.150. It initially starts at (0,1), and the bottom of the ramp is at (sqrt(3),0) Show that the parametric down the ramp are given by: ht tp://img819.imageshack.us/img819/5993/screenhunter03dec061758.gif I know

asked by Matt on December 6, 2010
17. ## math

Be sure to show the calculations that helped in your decision-making. A manager at Strateline Manufacturing must chose between two shopping Alternatives; Two-day freight and five-day. Using five-day freight would cost \$135 less than using two-day freight.

asked by shkoder on June 6, 2010
18. ## Stats

In 1898 L. J. Bortkiewicz published a book entitled The Law of Small Numbers. He used data collected over 20 years to show that the number of soldiers killed by horse kicks each year in each corps in the Prussian cavalry followed a Poisson distribution

asked by Ashley on February 25, 2014
19. ## Social Studies

"We hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights,..." A. people must show allegiance to their king and country thought their lives B. people need to help others

asked by Anastasia on August 16, 2016
20. ## Writing Sentences And Paragraphs

Hello Sir/ Mam, I have assignments to be completed but really don't know where to start from i need help. I am doing Diploma in Medical Admin Assistant from Penn Foster. This are my Assignments:- Assignment-1 You’ve applied for a specific job in your

asked by niks on November 1, 2011
21. ## Math Check

Hi! Can someone check this and see if they are correct? Thanks! 1.) Which value of x should the expression be further simplified? √(21)x a.) 5 B.) 6 c.) 11 D. 55 My answer: a 2.) 2√43x is show: Which value of x makes the expression equivalent to

asked by Abby on October 5, 2014
22. ## Algebra

That is not what the ? is asking. The ? is asking about how to get the quotient function, not the composite as you solved for. Can you please show us how to get the quotient function solution? Thanks! I need to find the Quotient Function of the following:

asked by Rachale on June 14, 2009
23. ## Algebra 1 Check

Hi! Can someone check this and see if they are correct? Thanks! 1.) Which value of x should the expression be further simplified? √(21)x a.) 5 B.) 6 c.) 11 D. 55 My answer: a 2.) 2√43x is show: Which value of x makes the expression equivalent to

asked by Abby on October 5, 2014
24. ## English

Hello. I'll be very grateful if you help me with a few questions. 1)I know that the sentence "Why are you always late" correct, but is it possible to say "Why are you always being late" to show that it happens very often? 2)Do you think it's possible to

asked by Nalmi on February 25, 2014
25. ## geometry

One endpoint and the midpoint of a segment are given. Find the coordinates of the other endpoint. Show all your work. A. Endpoint: (-1,9) Midpoint: (-9,-10) Endpoint: _______ B. Endpoint: (9,-10) Midpoint: (4,8) Endpoint: ________

asked by marissa on September 11, 2014
26. ## English

1. Why would an author use other words like adolescent, teen, or young people just to describe minor? 2. How do you correctly punctuate sentences containing documented evidence? 3. From this thesis statement , what topic can you form out of it: Some people

asked by Amy on October 17, 2014
27. ## Chemistry

1. When the hydrochloric acid is added to the calcium carbonate, will there be an excess of HCl(aq) or CaCO3(aq) or will there be stoichiometric equivalents of the two? Show your calculations. 2. In this lab, you will use a 50mL buret and ~0.3M NaOH (aq).

asked by Doug on October 11, 2017
28. ## math Ms. Sue please

3. Which of the following examples would show a negative trend? (1 point) height and weight of students test scores and height of students outside temperature and heating bill none of these Is the answer " test scores and height of students"?

asked by Delilah on March 15, 2013
29. ## physics - repost

A water balloon is fired at 34.0 m/s from a water cannon, which is aimed at an angle of 18° above the ground. The center of the cannon's target (which has a radius of 1.0 m) is painted on the asphalt 42.0 m away from the water cannon. will the balloon hit

asked by anonymous on May 1, 2019
30. ## algebra

A circular coaster, with a diameter of 7 inches, is positioned on a white placemat. The placemat is a circle whose radius is equal to the diameter of the coaster. About how many square inches of the placemat are NOT covered by the coaster? Show your work.

asked by syram on March 8, 2013
31. ## geometry

a game room has a floor that is 120 feet by 75 feet a scale drawing of the floor grid paper uses a scale of 1 unit:5 feet what are the dimensions o the scale drawing ***Show steps please I need this by tomorrow***

asked by Maria on October 19, 2014
32. ## statistics

In a show the rate of an adult pass is Rs. 20 more then the children pass. when a company sold 50 adult passes and 200 children passes,the amount collected is rs.2250. find the price of an adult pass?

asked by rabia on March 12, 2011
33. ## physics and intrumentation

A dose of 07ml contains 25.3 mCi @ 10:30 am. Use the information to answer all. A. What is the concentration of this dose? B. What was the original concentration at 8am? C. What would be the volume of a 25 mCi dose at 11:00am? D. whatis the ratio of

asked by l warrior on September 13, 2012
34. ## statistics

In a show the rate of an adult pass is Rs. 20 more then the children pass. when a company sold 50 adult passes and 200 children passes,the amount collected is rs.2250. find the price of an adult pass?

asked by rabia on March 12, 2011
35. ## math

Julia works at a music store. One of her jobs is to stock new CDs on the shelf. A recent order arrived with 215 classical CDs, 125 jazz CDs and 330 soft rock CDs. Julia needs to place the CDs on sale racks with 5 CDs in each group. Write two different

asked by silvy on April 3, 2016
36. ## Critical thinking

I think this would be Relativist fallacy, am I right????? Letter to the editor: “Once again the Park Commission is considering closing North Park Drive for the sake of a few joggers and bicyclists. These so-called fitness enthusiasts would evidently have

37. ## Science

At the distance of the earth from the sun the pressure exerted by sunlight is avout 10^-5 Pa How much force does this pressure exerted on 10m^2 array of solar cells on a satellite when the array is perpendicular to the direction of the sunlight? If the

asked by Angel on January 2, 2010
38. ## Physics

At the distance of the earth from the sun the pressure exerted by sunlight is avout 10^-5 Pa How much force does this pressure exerted on 10m^2 array of solar cells on a satellite when the array is perpendicular to the direction of the sunlight? If the

asked by Angel on January 2, 2010
39. ## Algebra

Hopelessly loss in New Joisey If Anyone can help me I greatly appericate it. Anyone know how do we find the greatest common factor of a polynomial? Can you give me an example, showing your work. 2.When finding the greatest common factor of a polynomial,

asked by JERSEYGIRL on December 6, 2011
40. ## Physical science

In a recipe for lemonade it gives the ingredients as 1 cup of water,1.5 tablespoons lemon juice, plus sugar and salt.Not taking into account the sugar and salt, what is the concentration of lemon juice in the mixture as a percentage by volume? 16

asked by Papaya on September 20, 2017
41. ## Calculous

The total cost, in millions of dollars, of producing x thousand units of an item is C(x) = 4(x − 1)^2 + 4. The revenue (in millions of dollars) from selling x thousand units of the item is R(x) = 10x. What does this tell you about the price of each unit?

asked by Tyler on December 4, 2014
42. ## Help On Math

A movie theater has fixed costs of \$5,500 per day and variable costs averaging \$2 per customer. The theater charges \$7 per ticket. How many customers per day does the theater need in order to make a profit? Give the smallest possible value. The theater

asked by Emily on September 8, 2012
43. ## physics

A 78 g basketball is launched at an angle of 45.4◦ and a distance of 10.1 m from the basketball goal. The ball is released at the same height (ten feet) as the basketball goal’s height. A basketball player tries to make a long jump-shot as described

44. ## physics

I neeeeeeeeeed helppp pronto, Measurements show that a honeybee in active flight can acquire an electrostatic charge as great as 93.0 pC a. how many electrons must be transferred to produce this charge? b.suppose 2 bees, each with a charge of 93.0pC, are

asked by natash on September 10, 2007
45. ## Physics

Right now in physics we are learning about electric potential energy and electric potential. My question is: P and Q are points within a uniform electric field that are separated by a distance of 0.1 m. The potential difference between P and Q is 50 V. How

asked by Jeff on January 9, 2015
46. ## math

As you and your spouse are discussing your monthly budget at the dinner table one night, you are both curious as to how much of your \$325 car payment is going to principal and how much to interest. Knowing that you are paying an APR of 3.75% to the bank

asked by emma on June 8, 2013
47. ## Math

The point A (-7, 5) is reflected over the line x = -5, and then is reflected over the line x = 2. What are the coordinates of A'? (7, 19) (10, 5) (7, 5) (10, 19) Question #45 MultipleChoice The vertices of an isosceles triangle are A(3, 6), B(7, 2), and

asked by Callie on January 20, 2012
48. ## Calculus

It is estimated that the demand for a manufacturer's product is increasing exponentially at an instantaneous rate of 5% per year. If the current demand is increasing by 4000 units per year and if the price remains fixed at \$850 per unit, how much revenue

asked by Alex on July 24, 2011
49. ## Calc

The figure shows the graph of f(x)=xe^x, x greater than or equal to 0. figure: f(x) curve is drawn and under the max. point/ concave down curve there is an inscribed rectangle. with width from a(left) to b(right) and height up to a certain point of f(x).

asked by Betty on February 14, 2016
50. ## math,correction

can someone correct this for me. Directions: Solve the following systems by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent. 10x + 2y = 7 y = -5x + 3 the answer: The variable

asked by jasmine20 on February 5, 2007
51. ## Physics?

Hi this question is beyond me, so any help = great. A useful instrument for evaluating fibromyalgia and trigger-point tenderness is the Doloriometer or Algorimeter. This device consists of a force meter attached to a circular probe that is pressed against

asked by Tony on December 4, 2009
52. ## Alicia, Spanish

Having a book on reserve and trying to read it, while others want the same book, is certainly not advantageous! However, if you can give me the exact TITLE, the AUTHOR or TRANSLATOR, the Publication Date (Copywrite), etc. I can try to find it. All I know

asked by SraJMcGin on October 29, 2008

the purpose of the 1st paragraph is to introduce the topic of seals washing ashore in large numbers this year that's what i put, give details about how animals are treated at the center, come to conclusion about why so many seals have washed ashore this

"Y912f", please give the follow note to your parents. Dear Parents of Y912f, Your daughter has been receiving help from Jiskha for quite some time. Our task on this site is to "help" students learn, not do their work for them. It has become obvious that

asked by GuruBlue on May 16, 2010
55. ## Physics

At what rate must a cylindrical spaceship rotate if occupants ar to experience simulated gravity of 1/2g? Assume the spaceship's diameter is 32 m, and give your answer as the time needed for one revolution. The centripetal acceleration is R w^2, where R is

asked by Sam on January 2, 2007
56. ## biology

List of insects and their scientific names. There are over one million species of insects in the world. It would be impractical to give you a full list. Here is a good place to start: http://www.earthlife.net/insects/six01.html Thank you for using the

asked by klar maesen on July 8, 2007
57. ## Stats

The population (in millions) and the violent crime rate (per 1000) were recorded for 10 metropolitan areas. The data are shown in the following table. Do these data provide evidence to reject the null hypothesis that ρ = 0 in favor of ρ ≠ 0 at α =

asked by Rustie on November 12, 2014
58. ## Math

At a community picnic, the following liquids were combined to make a punch: 3 gallons of water 1.5 gallons of cranberry juice 1 pint of strawberry juice 1 cup of grape juice 3 quarts of pomegranate juice How much punch was made in all for the community

asked by Anonymous on June 16, 2015
59. ## chemistry

The triprotic acid H3A has ionization constants of Ka1 = 9.9× 10–2, Ka2 = 2.7× 10–8, and Ka3 = 5.9× 10–11. a). Calculate the following values for a 0.0570 M solution of NaH2A H+ ?? [H2A^-/H3A]?? b). Calculate the following values for a 0.0570 M

asked by Laura on March 28, 2013
60. ## Inter. Algebra

square root sign 2x+3 - square root sign x-2 =2 In my head, I worked it as x=3. I did that because only sqr roots that are rational integers can be subtracted to give a whole number. Now, analytic method. I have no idea, I don't see a simple method in

asked by Andrea on December 2, 2006
61. ## Alebra

I have this math project and I'm stumped on this word problem. Any point in the right direction would be greatly appreciated.. A movie theater had a certain number of tickets to give away. Five people got the tickets. The first got one third of the

asked by Mike on November 21, 2007
62. ## HISTORY

Write a short paragraph that traces the rise of Japan from an isolated society to a major industrial and imperial power. I have to write an essay, so if you can write me a short paragraph that answers and summarizes my question, then I can write my essay.

asked by Lauren on January 16, 2011
63. ## essay research physcology

hi, i'm writing an essay on deja vu and i'm researching right now. So i'm trying to find other phenomena similar to deja vu. so far, i found something called "jamais vu", "tip of the tongue"(presque vu), and the "l'esprite de l'escalier" Are there more

asked by jen on October 14, 2008

My Assignment: Write a reflective essay in which you explore a personal experience or an event and reflect on its deeper meaning. I'm between a rock and a hard place with trying to find the perfect topic for this. I know you don't know anything about

asked by Nirvana on February 5, 2016
65. ## math

will anyone explain to me how to solve two step inequalities? it would be most appreciated. they are called two step inequalities. ill give you an example -40 a if and only xa.These rules are also valid if < is replaced by is rep-laced by >. area of a

asked by austin on January 17, 2007
66. ## Calculus

According to the US Census, the world population P, in billions, is approximately P=6.342e^(0.011t); where t is in years since January 1, 2004. At what rate was the world's population increasing on January 1, 2005? Give your answer in millions per year. Is

asked by George on November 5, 2008
67. ## Example of Carbon

Give an example in which carbon moves from the abiotic to the biotic part of an ecosystem. An example which shows that carbon moves from the abiotic to the biotic part of an ecosystem is it being in the atmosphere and getting removed by producers which

asked by Amanda on July 6, 2010
68. ## science

Please give me about 2 websites where i can find out interesting facts about Venus. 2 websites where i can find out if any robots or satellites landed on Venus.2 websites were I can find the average temperature of Venus. Lastly 2 websites where I can find

asked by sci on October 25, 2012
69. ## chemistry

How many grams silver (Ag) is added to 13 grams gold to produce 85% gold (Au) alloy? Can someone please give me the derived formula to be used? I had managed to solve it though I'm not quite sure if it's correct. i got 73.67g Ag, can someone please correct

asked by Epinephrine on October 7, 2016
70. ## Math

for my stats exam, we are NOT allowed to use a scientific or graphing cal, my professor will give us those cheap calculator from the 99cent store. I wanted to know how can i calculate e^-4.7? on my scientific it says it0.009095 but on my cheap calculator..

asked by Tc on February 28, 2012
71. ## chemistry

Concentrated hydrochloric acid has specific gravity of 1.18 and 36% hcl weight. What volume of concentrated hcl must be diluted to give 50 gm of 10 percent. My calculation 50gm x 0.1 = 5gm 5gm x 36.5 = 182.5 182.5 / 0.36 = 506.9 506.9 / 1.18 = 430 ml This

asked by Fai on August 9, 2012
72. ## calculus

Notice that the curve given by the parametric equations x=25−t^2 y=t^3−16t is symmetric about the x-axis. (If t gives us the point (x,y),then −t will give (x,−y)). At which x value is the tangent to this curve horizontal? x = ? At which t value is

asked by Sam on May 8, 2017
73. ## science VERY URGENT

Once again please give me about 2 websites where i can find out interesting facts about Venus. 2 websites where i can find out if any robots or satellites landed on Venus.2 websites were I can find the average temperature of Venus. Lastly 2 websites where

asked by sci on October 25, 2012
74. ## economics

I am writing a paper on how the monetary and fiscal policies have affected the auto industry i can not seem to find any web site to help me with this can any one give any suggestions Does available credit affect the auto industry? Does disposable income

asked by larry on April 23, 2007
75. ## science

Bacteria are invisible to humans except under a microscope. Which evidence did Pasteur use to show that bacteria were the cause of soured wine? A. Heated wine did not sour B. Capped wine did not sour C. Filtered wine did not sour D. Chilled wine did not

asked by PLZZ Help on January 26, 2015
76. ## Accounting

I am taking an accounting class and the instructor is refusing to give the formula needed to perform a quick ratio for a non profit organization (capital one). The typical formula Current Assets – Inventory/ Current Liabilities found online only covers

asked by Steph on May 1, 2011
77. ## physics.

Heat engine X takes four times more energy by heat from the hot reservoir than heat engine Y. Engine X delivers two times more work, and it reject seven times more energy by heat to the cold reservoir than heat engine Y. Find the efficiency of heat engine

asked by jean on April 26, 2007
78. ## comm 155

In the article that we read on page 37, the author was trying to explain how everyday life can be stressful. As far as meeting his goal, I think that he could have done a much better job. They did give a few examples of everyday annoyances, but not of how

asked by worm on May 12, 2011
79. ## physics

A stone is observed falling past a small window 1 meter tall in 0.2 seconds. how fast is it moving as it passes the bottom of the window?how far is the bottom of the window from the roof, where the stone originally began its fall from rest?what is the

asked by ajo on September 28, 2007
80. ## Chemistry

Table sugar consists primarily of sucrose, C12H22O11(s). The standard enthalpy of combustion for sucrose is the ΔHo for the reaction: C12H22O11(s) + 12 O2(g) → 12 CO2(g) + 11 H2O(l) Calculate this ΔHo. Give your answer in units of kJ to five

asked by Cali on December 4, 2016
81. ## Material Sciences

Given an aluminum shell perfectly bonded to a steel core, what is the thermal stress in the aluminum shell when the system is heated from the unstressed state (20∘C) to 180∘C? Consider only deformations in the axial directions. Give your answer in MPa

asked by qwerty on September 27, 2014
82. ## Newton's Law of Cooling

You are a forensic doctor called to a murder scene. When the victim was discovered, the body temperature was measured and found to be 20°C. You arrive one hour later and find the body temperature at that time to be 18°C. Assuming that the ambient

asked by Helga on December 13, 2011
83. ## physics

Two spherical objects are separated by a distance of 2.41 x 10-3 m. The objects are initially electrically neutral and are very small compared to the distance between them. Each object acquires the same negative charge due to the addition of electrons. As

asked by Jordan on February 11, 2009
84. ## Chemistry

Since ethanol is cheaper than gasoline , today's gasoline's contain varying amonts of ethanol to keep prices lower. given that the enthalpy of combustion of ethanol is -1367 kj/mole and that the aveage energy released by one gram of gasoline is 43 kj: )

asked by Devin Boutte on November 19, 2011
85. ## Chemistry

I am having trouble getting this starting and figuring out the correct steps...the problem is Calculate the final concentration of the solution in each question 1) Water is added to 0.270 L of a 6.00M HCl solution to give a volume of 3.00 L (Express

asked by TT on December 9, 2010
86. ## English

Write a description that would suit your talents (athletic, intellectual, logical, musical, etc.) perfectly. Make the game up so it's fun for other people to play as well. Be sure to include a list of equipment and 3 or 4 rules. You might also want to

asked by Anon on December 11, 2017
87. ## physics help

The distance between the midponts of two metal balls.P and Q,respectively of masses 55 kg and 70 kg is 80 cm calculate the gravitational force that P exerts on Q answer F=Gm1m2/r^2 F=(6,67x10^-11)(55kg)(70kg)/(80cm) F=4.01x10^-11..... Is it correct is

asked by angel on October 11, 2015
88. ## Literature

Please help with Beowulf Comprehension questions. I just need a general idea to write around, something impressive. 1. Why did Beowulf decide to free the Danes from Grendel? 2. Why did Beowulf fight Grendel with his bare hands? What does this reveal about

asked by Billie Joe on July 1, 2009
89. ## math

Hi There- I really need help with this. I'm kind of confused and don't have an answer. if you could explain it ill give you my answer once I understand it. how does the product of a fraction and a whole number compare to the whole number? A. the product is

asked by Tanner on December 19, 2018
90. ## structured query language math

Display a list of all instructors, showing their ID, name, and the number of sections that they have taught. Make sure to show the number of sections as 0 for instructors who have not taught any section. Your query should use an outerjoin, and should not

asked by joe on July 23, 2011
91. ## Statistics

According to the record of the registrar's office at a state university, 35% of the students are freshman, 25% are sophomore,16% are junior and the rest are senior. Among the freshman, sophomores, juniors and seniors, the portion of the students who live

asked by Myda on November 13, 2016
92. ## chemistry HELP

laboratoories order hydrochloric acid as a concentrated solution (e.g. 36% W/V). what initial volume of concentrated laboratory hydrochloric acid should be diluted to prepare 5.00L of a 0.12 mol/L solution for an experiment? plz can someone show me how to

asked by TARA on December 9, 2010
93. ## math

1. A helicopter left Calgary and travelled 135 km west into the Rocky Mountains at an average speed of 2x^2 + 3x km/h. The return journey was at an average speed of 4x^2 - 9 km/h. a) Write and simplify an expression for the total flying time in hours. b)

asked by Jenna on March 12, 2015
94. ## finance

You decide to buy a new home for \$101000.00 at 7.5% interest rate. You feel that you can afford \$800.00 for a mortgage payment. You make a down payment of \$10000.00 How much will you still owe after making payments for one year. Show the mortgage payment

asked by Sam on May 21, 2015
95. ## Physics

A block of mass m lies on a rough plane which is inclined at an angle è to the horizontal. The coefficient of static friction between the block and the plane is ì. A force of magnitude P is now applied to the block in a horizontal direction, towards the

asked by Anonymous on May 13, 2012
96. ## Algebra

Hiya! I have a function here: y = x^2 - 4x - 32 I have some questions about it. 1. I think this parabola opens up. Am I correct? Can you explain how you know weather it opens up or down? 2. Can you tell me what the axis of symmetry and the vertex of this

asked by Student on February 28, 2014
97. ## chemistry

draw a diagram of the water molecule. then draw where the electrons are to show it's covalent. so does that mean its lewis structure, which would be: .. H- O -H .. but where would the electrons go? Many pictures of H2O here:

asked by maurice on June 10, 2007
98. ## Physics

A driver of a car going 95.0 km/h suddenly sees the lights of a barrier 39.0 m ahead. It takes the driver 0.95 s before he applies the brakes, and the average acceleration during braking is -10.0 m/s2. What is the maximum speed at which the car could be

asked by johnny on February 15, 2011
99. ## Physics

A pinball machine uses a spring that is compressed 4.0 cm to launch a ball. If the spring constant is 13 N/m, what is the force on the ball at the moment the spring is released? I don't understand this I guess... Does the ball leave the spring at the

asked by HELP ME! on May 16, 2009
100. ## Physics

A 14.1 μF capacitor is charged to a potential of 45.0 V and then discharged through an 80.0 Ω resistor. (a) How long after discharge begins does it take for the capacitor to lose 90.0% of the following? (i) its initial charge in seconds (ii) its initial

asked by Alyssa on February 18, 2016