Saturday

January 31, 2015

January 31, 2015

Total # Posts: 1,570

**College Algebra and Trigonometry**

if x = ucos(pi/4) - vsin(pi/4) and y = usin(pi/4) + vcos(pi/4), find A, B and C so that, 5x^2 - 6xy + 5y^2 = Au^2 + Buv + Cv^2. Thanks, I really dont know what to do, I've already used almost 20 sheets of paper. Please help me. Thanks.
*January 25, 2015*

**english**

In "Why, You Reckon?" what argument does the other man use to convince the narrator to team up with him? What lesson do you think the narrator learned by the end of the evening? I have part of the answer but I don't now how to put it in ACE format.
*January 23, 2015*

**physics**

Pulling Force= 131cos27 Friction Force= 0.125(18x9.8-131sin27) Pulling Force-Friction Force= 18a (solve for a) Vf^2=Vi^2+2ad (solve for Vf)
*January 19, 2015*

**chemistry**

A sample of oxygen at 24.0 degrees celcius and 99.3 kpa was found to have a volume of 455 ml. How many grams of O2 were in the sample?
*January 13, 2015*

**LAC1**

Identify the principal part of the underlined verb. Lucia got the majority of the votes. (Points : 1) present present participle past past participle (Got is underlined) My Answer: Present
*January 8, 2015*

**english**

is this supposed to be like from a story ... or?
*January 8, 2015*

**LAC1**

Identify the underlined word in the sentence. Write either D for direct object or I for indirect object. Get that dog and those puppies out of here! (puppies is underlined) My Answer Is: Indirect Object
*January 7, 2015*

**math**

there was 112 seats in the school auditorium.there are 7 rows of seats in each row. there are 70 people seated, filling up full rows of seats. how many seats are empty?
*January 6, 2015*

**math**

14 loins to 10 tigers
*January 6, 2015*

**English**

Which of the following statements best describes the purpose of the motif of falling leaves in Gerard Manley Hopkins poem "Spring and Fall"? The motif helps readers understand the innocence of youth The motif reminds readers of the beauty of autumn x the motif ...
*December 23, 2014*

**Literary Analysis**

So , number 1 is wrong right ?
*December 23, 2014*

**Literary Analysis**

In works like "To Build a Fire", Naturalist writers such as Jack London advocated x trusting in the wisdom of the natural world Respect for the power and wildness of the natural world Remaining always within the protective boundaries of civilization Celebrating the ...
*December 23, 2014*

**math**

john recieves a 2.5% real estate commission when he sells a home for his client?how much will the client receive from the sale of their 346.000 home
*December 5, 2014*

**science**

can we predict when a hurricane will occur? explain. I have tried so man website and still no answer.. please help
*December 1, 2014*

**science**

thanks
*December 1, 2014*

**science**

when do huricanes happen??
*December 1, 2014*

**math**

Janet bought 1/2 cake. She ate 1/4 of the cake she bought. Then she cut the remainder into 2 equal pieces. What fraction of a whole cake was each piece?
*December 1, 2014*

**Social studies**

Hey I figured it out
*November 30, 2014*

**Social studies**

No not everyone was able to vote
*November 30, 2014*

**Social studies**

I will figure it out thanks for trying to help me
*November 30, 2014*

**Social studies**

I don't know much because we just started to learn this new topic. I'm not really sure what pericles ideal democracy is and I don't understand the thesis statements.
*November 30, 2014*

**Social studies**

I am willing to do the work I am a very good social studies student I just don't understand the questions. Sorry for causing you trouble.
*November 30, 2014*

**Social studies**

I have been on this site asking this same question for over an hour are you able to help me or not?
*November 30, 2014*

**Social studies**

Please help me thanks.
*November 30, 2014*

**Social studies**

Do you know the answers to the questions I read the thesis statements but I don't understand the questions and in the instructions it doesn't say to make a list it says to answer the questions.
*November 30, 2014*

**Social studies**

Do you know the answer to what do the above thesis statements have in common?
*November 30, 2014*

**Social studies**

No I don't know the answer do you?
*November 30, 2014*

**Social studies**

Men could vote and women can't
*November 30, 2014*

**Social studies**

Do you know what the two thesis statements have in common?
*November 30, 2014*

**Social studies**

No
*November 30, 2014*

**Social studies**

Pericles believed that the people should represent equality at all levels and he worked to ensure that every Athenian had land and some link to their state and its government. Power rested in the hands of all those who made the state’s business their business and the only...
*November 30, 2014*

**Social studies**

Are you able to help me answer the questions.
*November 30, 2014*

**Social studies**

My middle name is Nicole sorry for switching names I didn't realize we were allowed to use the same name. Pericles ideal democracy is he wanted more people to participate .
*November 30, 2014*

**Social studies**

It's on Ancient Greece
*November 30, 2014*

**Social studies **

-Athens does not live up to Pericles ideal democracy because Athenians use of ostracism contradicts Pericles statement that all have equal participation - Athens somewhat lives up to Pericles ideal democracy because it only allowed native born, male citizens to participate and...
*November 30, 2014*

**Intro to Chem**

How many grams of water, H2O, can be formed from the reaction of 8.9 grams of 2-propanol, C3H8O?
*November 25, 2014*

**English**

SO it's like people grow themselves; make themselves into a likeable person
*November 24, 2014*

**English**

Can someone please explain what "cultivating a winning personality" means? Thank you :D
*November 24, 2014*

**physics**

A 0.500kg ball is tied to the end of a 1.50m string and revolved so its andle thata is 35 degrees. a.) find the velocity of the ball (ans 2.43)
*November 23, 2014*

**Physics**

An 8.00g bullet is fired at 220m/s into a 250g wooden block that is initially at rest. The bullet remains in the block and after the collision the two slide up a 30 degree incline. a) Solve for the velocity of the bullet block after the collision. b) Determine the distance ...
*November 23, 2014*

**science**

just being curious, why does hurricane occur?? thanks
*November 23, 2014*

**Trig**

Two tracking stations are on the equator 161 miles apart. A weather balloon is located on a bearing of N 32°E from the western station and on a bearing of N 16°E from the eastern station. How far is the balloon from the western station? Round to the nearest mile.
*November 19, 2014*

**statistics**

A Coach found the correlation between physical fitness and athletic ability to be r=.65. the mean and standard deviation of the physical fitness test was 330, 50. the mean and standard deviation of the athletic ability test was 9, 2. If you have a physical fitness score of 350...
*November 16, 2014*

**Math (Algebra 1)**

Juan’s first 3 exam scores are 85, 93, and 87. What does he need to score on his next exam to average 90 for all 4 exams? let x represent the score on his next exam (put this in a multi-step equation) PLEASE HELP
*November 15, 2014*

**science**

what happens if energy doesnt transform
*November 12, 2014*

**science**

I'm curious to know why does energy changes form?
*November 12, 2014*

**statistics**

=weight of oranges in a 5-lb bag ~ N(m,0.2); (a) How many customers get cheated, if E(X)=5? (proportion p=________?) (b) What should m equal so that (a) p<16%, (b) 2.5%, (c) 0.5% ? (d) If the cost of oranges to the packer is $0.35, what is the respective cost of meeting ...
*November 12, 2014*

**algebra**

At the end of their paddling trip, Natalie and Herb drive back in separate vehicles. Natalie has 8 gallons of gas left in the tank of her vintage 1969 Volkswagen Beetle, which gets 30 miles to the gallon. Herb has 12 gallons left in the tank of his 1998 Jeep Grand Cherokee, ...
*November 2, 2014*

**English**

No which Is the "sentece part" OF The italicized word
*October 30, 2014*

**English**

Identify the italicized part of the sentence. The main event will be a memory contest. subject predicate direct object indirect object predicate noun predicate adjective
*October 30, 2014*

**Trig**

Alright, thank you Reiny. I understand it now!
*October 27, 2014*

**Trig**

I redone it and I did: 0=1/12(cos8t-3sin8t) cos8t=3sin8t 8=3tan8t 8/3=tan8t arctan8/3=8t 1.212=8t t=.1515 I think this one is correct. However, I'm still stuck on how I can get three times. Can someone please help?
*October 27, 2014*

**Trig**

A weight is oscillating on the end of a spring. The position of the weight relative to the point of equilibrium is given by y=1/12(cos8t-3sin8t), where y is the displacement (in meters) and t is the time (in seconds). Find the times when the weight is at the point of ...
*October 27, 2014*

**Philosophy Intro to Logic**

I have to write an argument in standard form before writing an essay on it. I'm using an article written by Jenny Price on news.wisc titled "Facebook profiles raise users' self-esteem and affect behavior" And here's what I have for the standard form, I ...
*October 26, 2014*

**Health**

My apologies if I make a mistake. I'm new to this, and my Health teacher has asked me to interview a smoker (a person that smokes cigarettes, not marijuana) The oldest you could be is 20... thank you in advance. 1. What is your first name? 2. How old are you? 3. What is ...
*October 19, 2014*

**math**

Katarina made 6 book covers in each color: red, green, yellow, and purple. She gave 5 book covers to each of her 3 best friends, then she gave 2 book covers to her cousin. How many book covers does Katarina have now?
*October 17, 2014*

**Science**

The answer is a. You are correct.
*October 15, 2014*

**AP Chemistry**

1. If alum is heated at first too strongly causing it to splatter out of the crucible what effect will this have on the determination of the water hydration? 2. If alum is heated insufficiently what effect will this have on the determination of the water hydration? 3. If not ...
*October 11, 2014*

**Physics**

Why is it important to use the maximum force reading from a data collection?
*October 5, 2014*

**english**

If an author is skillful at representing the point of view and attitudes of a hobo, a nurse, a corporate CEO, and a variety of other diverse characters, the author is demonstrating
*October 5, 2014*

**Physics **

Kangaroos can easily jump as far as 8.0 m. If a kangaroo makes five such jumps westward and then seven such jumps northward, what angle would the resultant displacement vector make with the northern displacement vector? What is the magnitude of the total displacement?
*September 30, 2014*

**system of equations**

today, johns mom is 5 times as old as he is. in 7 years she will only be 3 times as old. what is johns age today?
*September 24, 2014*

**physics**

a bus travels 280 km south along a straight path with an avg velocity of 88 km/h to the south. then it travels 210 km south with an avg velocity of 75 km/h to the south. a) how long does the 1st trip last? b) how long does the 2nd trip last? c) what is the avg velocity for the...
*September 21, 2014*

**physics**

an automobile with an initial speed of 43 cm/s (accelerates uniformly at the rate of 3m/s^2). what is the final speed and the displacement after 5 sec?
*September 21, 2014*

**physics**

suppose a treadmill has an avg acceleration of 4.7m/s^2. a) how much does its speed change after 5 min? b) If the treadmill's initial speed is .017 km/s, what will it's final speed be?
*September 21, 2014*

**physics**

turners treadmill runs with a velocity of 120 cm/s and speeds up at regular intervals during a half hour workout. After 25 seconds, the treadmill has velocity of 6.5 m/s. what is the avg acceleration of the treadmill during this period ?
*September 21, 2014*

**programming**

You are to write a short C program. The program will input two numbers: 1) number of miles to ship a package, and 2) the weight of the package. You are to computer the price to ship the package. The formula is as follows. If the weight of the package is <= 10 pound this the...
*September 20, 2014*

**statistics**

.3159=(88-?)/12
*September 16, 2014*

**statistics**

Anyone?!
*September 16, 2014*

**statistics**

A standardized test has a mean of 88 and a standard deviation of 12. What is the score at the 90th percentile? Assume a normal distribution. how would I solve? a. 90.00 b. 112.00 c. 103.36 d. 91.00
*September 16, 2014*

**Biochemistry**

Calculate how you would make 0.5L of a 0.5M (500mM) acetate buffer at a pH of 4.7. Available is sodium acetate and glacial acetic acid. pH=4.7 pKa of acetic acid=4.76 Not sure if I did this next part right: 4.7=4.76 + log [base]/[acid] -0.06= log [base]/[acid] 10^-0.06= [base...
*September 11, 2014*

**Mat/Statistics**

This may help as well X = {2, 2, 9, 5, 6} Y = {4, 7, 12, 8, 9}
*September 11, 2014*

**statistics**

Sorry Damon, I am confused can you elaborate? and use a, b, c, d, e so I know what you are referring to?
*September 11, 2014*

**Math**

∑(x+y) c. ∑(x+∑(y)) d. ∑x+ ∑y e. ∑(x)+ ∑(y)* what do each of these mean? what's the differences?
*September 11, 2014*

**science**

How far does your automobile travel in meters during your reaction time if you are moving at 55 mi/h (25 m/s)?
*September 6, 2014*

**Physics**

A ball is thrown from the ground. Its velocity after 4 ^ ^ seconds is (15x -3y ) m/s. the range of the ball is 205 m. 189 m. 111 m. 98 m.
*September 5, 2014*

**algebra**

How do I get the write out the problem for : The sample space is orange, purple and white. If P(orange)=2/5 and P(purple)=3/10, what is P(white)? I have written 2/5.3/10=6/15 2/5
*September 3, 2014*

**math**

120
*August 20, 2014*

**English**

Please paraphrase this: “In my experience as both a learner and later a language practitioner, one has to have a drive that will obstinately motivate one to succeed against all odds.”
*August 12, 2014*

**English**

3. Correct the following sentences for subject-verb agreement, tenses and fragments. i) My car it is very beautiful. ii) When he thought he could afford to pay his own school fees. iii) This students keep making noise. iv) When I was young, I use to love playing with dolls. v...
*August 12, 2014*

**algebra 2**

what is the answer?
*August 1, 2014*

**math**

If I have a peice of carpet that is 9 ft by 8 ft and the cost is .59 per square ft how much does it cost for the carpet?
*July 26, 2014*

**Maths**

If a*b=2a+b such that 2*3=2(2)+3,find (i) b when 3*b=b*5 (ii) d when d*(3*d)=(d*3)*d
*June 27, 2014*

**Physics**

A golfer, putting on a green, requires three strokes to "hole the ball." During the first putt, the ball rolls 5.9 m due east. For the second putt, the ball travels 2.4 m at an angle 20° north of east. The third putt is 0.50 m due north. What displacement (...
*June 26, 2014*

**statistics**

The following random sample was collected: 22 33 44 6. The 80% confidence interval for the mean is? I have the answers; however, I do not know how to plug in the numbers to solve the problem.
*June 21, 2014*

**algebra **

A triangular-shaped wall has a base of 2x=4 and a height of x+3. The area of the triangle is 56 squared inches. What is the value of x?
*June 2, 2014*

**math**

what does base mean?
*May 22, 2014*

**Algebra**

The mean is 18.1 The z-score for 13.0 is - 1.7. What is the standard deviation for this data set.
*May 19, 2014*

**statistics**

A vending machine company wants to check three of its machines to determine if they are properly dispensing 12 ounces of coffee. Their data is given below. Reference: Ref 11-4 Compute the test value for the coffee machines. Answer 2.25 5.06 6.62 4.86
*May 9, 2014*

**Statistics**

A song must be n longer than 3 minutes and 30 seconds, or (210 seconds) Micheal Jackson founds out that his mean song length is 244.6 seconds with a standard deviation of 29/3 seconds. What is the null hypothesis and the alternative hypothesis, what is the right formula and ...
*April 28, 2014*

**math**

25+6
*April 28, 2014*

**Statistics**

A song must be n longer than 3 minutes and 30 seconds, or (210 seconds) Micheal Jackson founds out that his mean song length is 244.6 seconds with a standard deviation of 29/3 seconds. What is the null hypothesis and the alternative hypothesis, what is the right formula and ...
*April 28, 2014*

**math**

Thanks!
*April 27, 2014*

**math**

write an equivalent expression to the expression below. (17 x 93)/(17 x 97)
*April 27, 2014*

**math**

write an equivalent expression to the expression below.(17*93) (17*97)
*April 27, 2014*

**ap statistics**

A fire insurance company felt that the mean distance from a home to the nearest fire department in a suburb of Chicago was at least 4.7 miles. It set its fire insurance rates accordingly. Members of the community set out to show that the mean distance was less than 4.7 miles. ...
*April 25, 2014*

**ap statistics**

The manager at Air Cargo feels that the weights of packages shipped recently are less than in the past. Records show that in the past packages have had a mean weight of 36.7 lb. and a variance of 201.64 lb2. A random sample of last months shipping yielded a mean weight of 32.1...
*April 25, 2014*

**ap statistics**

An unnoticed mechanical failure has caused one-fourth of a machine shop’s production of 10000 pistol firing pins to be defective. A random sample of 25 firing pins was drawn from the population. a.) Explain why this random variable has a binomial distribution? (2 points) ...
*April 24, 2014*

**ap statistics**

An unnoticed mechanical failure has caused one-fourth of a machine shop’s production of 10000 pistol firing pins to be defective. A random sample of 25 firing pins was drawn from the population. a.) Explain why this random variable has a binomial distribution? (2 points) ...
*April 24, 2014*

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