# Posts by Vicky

Total # Posts: 292

**Calculus AP**

im still stuck. i need help. evaluate the integral ∫sinx /(1+x^2) dx from -1 to 1

**Calculus AP**

thanks

**Calculus AP**

i got the wrong answer. the correct answer is ln(2). here is problem: ∫cosx/(1+sinx) dx from 0 to pi/2

**Calculus AP**

ok i got it. don't need ur help anymore

**Calculus AP**

integral of [sqrt(u) - 2 u^2]/u du i got stuck ∫u^-1 (sqrt(u) - 2 u^2) du ∫ u^(-1/2) - 2u du i don't know i'm doing right step

**English**

"Robotics" World Computer Science. Gale, 2002 I typed this into google and it came up. Its the 5th one down

**English**

Gale Science In Context - Document Try typing this into google

**English**

I have read this article over and over again and I just keep getting confused. Is there anyway you can help me by reading the article and steer me in the right direction "Robotics" World Comouter Science. Gale, 2002

**English**

I need to write an essay on the follwing article: "Robotics" World Comouter Science. Gale, 2002 I need to include the authros purpose and main ideas.. I don't know how to start the article. I need some type of direction. Please help

**English**

Where can I find help in writing a paper on an article??

**writing**

Brett it is for a 12th grade paper in which I have to summarize an article. The paragraph above is describing the purpose of the article. This is the article "Robotics." World of Computer Science. Gale, 2002 WHat do you think??

**writing**

Ok This is going to be my open paragraph, please check. Many different technologies are included in robotics. It combines elements such as mechanics,electronics,computer engineering, programming and artifical intelligence. Robotics is a technology that uses robots to perform ...

**writing**

Here is another: Although there is no single definition of the term "robotics" robots are generally considered programmable machines that perform tasks automatically without real-time guidance by humans

**writing**

I need help rewording a sentence: "Robotics is a broad field"

**english**

How do I re word a sentence that is the main idea in a paragraph

**robotics**

Thank youfor your help

**robotics**

How did you come to that outcome?

**robotics**

In the World Computer Science Journal?

**robotics**

Where is the article taking place

**robotics**

I need to incorporate in a summary the author, when the article is written and where is the article taking place. The article is "Robotics" World of Computer Science. Gale, 2002

**Science**

Where in the article does it state Where is the article taking place? When was the article written:

**Science**

Yes I did read the article as a matter of fact I have it in front of me

**Science**

where is it stated?

**Science**

Who is the author of this article Where is the article taking place? When was the article written: This is the article: "Robotics" World of Computer Science. Gale, 2002.

**science**

Ms Sue thank you so much, Now what is the main ideas of the article

**science**

What is the authors purpose and main idea in this article: "Robotics" World of Computer Science. Gale, 2002.

**math**

#Algebra 2 Help Please?! If f = (1, 2), (2, 3), (3, 4), (4, 5), g = (1, -2), (3, -3), (5, -5), and h = (1, 0), (2, 1), (3, 2), find the following and state the domain: 2a.f+g 2b.f-g 2c.f(times)g 2d.f/h 2e.g o f o h Let f(x)=|x-5| and g(x)=1/x . Write the given function as a ...

**Calculus AP**

hi again im really need help TextBook: James Stewart:Essential Calculus, page 311. Here the problem #27: First make a substitution and then use integration by parts to evaluate the integral. Integral from sqrt(pi/2) TO sqrt(pi)of θ^3 cos(θ^2)dθ. i did my problem...

**Calculus AP**

its correct answer. thanks

**Calculus AP**

Evaluate the integral interval from [0 to pi] t sin(3t)dt Use integration by parts u=t and dv=sin(3t)dt. then du=dt and v=-cos(3t)/3 here is my problem but Im having problem to solve with pi. ∫t sin(3t)dt = -tcos(3t)/3 - ∫[-cos(3t)/3]dt =-tcos(3t)/3 + sin(3t)/9 ](o...

**Physics**

Vectors and Scalars Graph 1. determine the total distance traveled and the displacement made. A. 5.0 km 15 degrees east of north B. 5.0 km 20 degrees east of south C. 5.0 km east D. 5.0 km 30 degrees south of west E. 5.0 km 20 degrees east of south F. 5.0 km 40 degrees north ...

**chemistry**

how do i convert 2.23*10 22 formula units to moles?

**Mathssss**

if x+1 is a factor of x^3-2x^2+5x+c, find the value of c.

**Functions-Math**

find the value of k such that when 2x^3+9x^2+kx-15 is divided by x+5, the remainder is 0.

**Math-divide Polynomial**

need to find the quotient and remainder. x^3+x^2y-9xy^2-9y^3 / x+y

**life orientation**

Ways in which the human or environmenta l problem impact on the community

**Biology**

GENETICS PRACTICE PROBLEMS Worth 10 points each problem is either right or wrong 1. In humans, assume that brown eyes (B) are dominant over blue eyes (b). A blue eyed man, both of whose parents were brown eyed, marries a brown eyed woman whose father was brown eyed and whose ...

**Chemistry**

Im not getting the right value.I get 1.24*10^-4 and that's not correct.

**Chemistry**

Well, they also gave this information: A reaction has a rate constant of 1.24×10−4 at 25 C and 0.228 at 79 C.

**Chemistry**

i have no idea how to apply this formula as we can only use one temperature and this requires the use of two.

**Chemistry**

What is the value of the rate constant at 17 degrees celsius? The Ea = 122 kJ/mol I know I have to use ln k = ln A - Ea/RT.. but I don't know how to calculate it without known ln A and how do you find ln A Thank you for your help!

**physical science**

A rectangular container measuring 16cm times 46cm times 67 cm is filled with water what is the mass of this volume of water in kilograms and grams? (take the density of water to be 1000 kg/m cube

**science**

i need a arostic poem on w e g e n e r and h e s s

**CHEMISTRY**

1 H2O 2 H3O+ 3 NO3- 4 OH- 5 HNO3

**organic chemistry**

calculate the amount of isopentyl acetate that should be present in the reaction mixture at equilibrium, based on the quantities of starting materials you used and a value of 4.2 for the equilibrium costant

**physics**

A helicopter is ascending vertically with a speed of 5.20 m/s. At a height of 120 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: v_0 for the package equals the speed of the helicopter.]

**chemistry**

A sample of a breathing mixture for divers comtained 34.3% helium, 51.7% nitrogen, and 14% oxygen, by mass. What is the density of this mixture at 22degree celcius and 755mmHG?

**MATH 15 Stats**

simple random sample of 50 women on new product of the 50 women, 60% reported they like the new product, fina a 90% confidence interval for the true proportion of women.

**math**

Find the length of the hypotenuse of a right triangle, the other two sides of which measure 9 cm and 12 cm.

**Math Please help**

lim ((x^2-64)/(x+8)) x->-8

**statistics**

find the number z such that the proportion of observations are less than z in a standard normal distribution is 0.8

**Math fractions**

How do you get the answer for addition with unlike denominators: 3/8 + 1/2=

**chemistry**

so all the units i have to change is just for temperature and then leave the rest as they are

**chemistry**

mass= 3.8721g temperature= 102 degrees Celsius volume= 156ml atmospheric pressure= 755.0 mm Hg calculate the molar mass using the ideal gas law

**english**

i am looking for the main topic in this paragraph would it be In society today more and more people are making the wrong choices to protect their wellbeing and overall health. In society today more and more people are making the wrong choices to protect their wellbeing and ...

**math**

18,27,45

**physics**

While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 275 m east, 215 m at an angle 30.0° north of east, and 150 m south. Find the resultant displacement from the cave entrance.

**Finance**

) If a stock pays a dividend of $1.30 annually, has earnings-per-share of $4.50, and closed yesterday at $76.50, then which of the following statements is true? (Approximation is fine!) a. The dividend payout ratio is 82.8% b. The dividend yield is 5.7% c. The P/E Ratio is 17 ...

**Finance**

If an instrument has a 10.7% Nominal Return, the inflation rate is 3.1%, and your tax rate is 28%, what’s your approximate “Real After-Tax Return?” a. 4.6% b. 7.6% c. 5.8% d. none of the above

**Finance**

) What is your Average Payment Period if your Accounts Payable are $20,000, cost of Goods Sold is $200,000, and Sales are $500,000?

**algebra**

I am having trouble anwering the following problem: The test scores from Mrs. Gray's math class are shown below. 72, 73, 66, 71, 82, 85, 86, 89, 91, 92 Construct a box-and-whisker plot to display this data. I don't know how to begin answering this problem and what ...

**algebra**

I am having trouble anwering the following problem: The test scores from Mrs. Gray's math class are shown below. 72, 73, 66, 71, 82, 85, 86, 89, 91, 92 Construct a box-and-whisker plot to display this data. I don't know how to begin answering this problem and what ...

**ETH125**

Write a 1,050- to 1,400-word research paper identifying the linguistic, political, social, economic, religious, and familial conventions and/or statuses of four Hispanic groups living in the United States. Your paper should cover Mexican Americans, Puerto Ricans, and two ...

**Math**

Business and finance. Julio works as a quality control expert in a beverage factory. The assembly line that he monitors produces about 20,000 bottles in a 24-hour period. Julio samples about 120 bottles an hour and rejects the line if he finds more than of the sample to be ...

**math**

I'm in 6th grade and never heard of using ! in math. I guess I'll do it the long way to see how it works. Thanks so much :)

**math**

I'm having trouble on how to figure something out. The question says a pizza place uses 5 toppings (a,b,c,d,e). How many different combinations can be made with the pizzas having 3 different topping? A

**exponets**

15-24 divided by 2.2

**Math algebra**

One number is 10 more than the other number. Twice the smaller number is 13 more than the larger number. What are the numbers?

**Maths - More than one question please help me**

it is an equation

**SCIENCE**

HOW DOES THE DIAPHRAGM HELP YOUR BODY BREATHE?

**SCIENCE**

WHY IS YOUR ESOPHAGUS WRAPPED IN SMOOTH MUSCLE AND YOUR TRACHEA WRAPPED IN BANDS OF CARTILAGE?

**SCIENCE**

WHY DOES YOUR CHEST BEGIN TO BURN IF YOU HOLD YOUR BREATH TO LONG?

**Algebra 2**

thank you. how did you get the answer?

**Algebra 2**

well it says to simplify.and that's all it gives me. its either one of the following answers a.6x^3/20z^3 b.6x^3y^2/20z^2 c.120x^3/z^3 d.120x^3z^3

**Algebra 2**

Can someone help me on how to do this problem 2xy(3x^2)(4y^-1)(5z^-3)

**sensory abilites of the dog**

Teeth- the maxillary sinuses are located in the roof of the mouth very close to the roots of the large canine teeth. Any problems with the teeth can seriously affect the dogs olfaction

**banking and money**

Steps 1. Complete the assigned readings for this unit. 2. Read the article found at the website provided in Materials below. 3. Post a 100- to 150-word answer for each of the following questions: Credit cards and travelers' checks are widely accepted as a medium of ...

**year7 - ICT**

PLEASE COULD SOMEONE TELL ME WHAT A SCREEN SHOT IS IN ICT THANKS

**Spanish**

Translate ...using the imperfect passive tense about the things I enjoyed when I was younger. Mark any accent or other marks. I was holding onto my piggybank. I collected a lot of money. I was at my backyard in my house. I played with stuffed animals. My sister and I were at ...

**Translate into Spanish**

...using the imperfect passive tense about the things I enjoyed when I was younger. Mark any accent or other marks. I was holding onto my piggybank. I collected a lot of money. I was at my backyard in my house. I played with stuffed animals. My sister and I were at an ...

**maths**

i have a lot of maths HW and i don't understand how to Factorise??? Pleasea help me!

**socila studies^-^ ! help**

name at lease 5 important event that took place in the history of texas.(NOTE: historical events are important things that happened in the past.do not put annual events here.) http://en.wikipedia.org/wiki/History_of_Texas a major confederate blunder which led to union victory ...

**social studies**

what is texas important important service industries I don't know what you mean by "important". Major employers of service type jobs are fast foods, cleaning, police, maintenance and repair organizations (automobile, aircraft, building), and state and county ...

**socila studies**

what is texas important land form I don't know what you mean by "important" The Texas coastal plain, the Hill country, the western desert, and the Northern high plains, and of course, the Trans-Pecos region of the Rocky Mountains. I suggest you do an internet ...

**Earth**

1. The great galaxy in Andromeda has an angular diameter along its long axis of about 5^0. Its distance is about 2.2 million light years. What is its linear diameter? angle*distance= arc distance. You need the angle in radians to do this.

**hum 130**

I need to find at least two effects organized religion has had on society, and provide examples from past or present. Have you considered laws? Such as marriage, divorce? Have you considered social organization, such as family activities at gatherings, clothes worn, etc? Have ...

**physical chemistry**

I calculated that the denaturation enthalpy and entropy changes for chymotrypsin are: H = 418 kj/mol S= 1.32 kj/mol(K) Assume that, in the denatuartd state, each amino acid had three possible orientations. estimate number of amino acid in chymotrypsin using the value of the ...

**ETH**

does asian americans and pacific islanders belong to a single asian american culture

**ETH**

are Asian Americans and pacif Islanders a model of minority

**science**

please i need help under this comment is the question thanks Answered below.

**Science. plz help!!**

What is the physical and chemical characteristics of the element neon? p.s- a really need help i'm not joking. oh yeah and thank you for your time! I think I answered this last night but it may not have been your question. Anyway, go to www.webelements.com and click on ...

**Neon**

What is the normal phase? Neon is a gas at room temp and pressure. yo mamma.