Sunday

April 19, 2015

April 19, 2015

Total # Posts: 1,621

**Calculus **

A road perpendicular to a highway leads to a farmhouse located 6 mile away. An automobile traveling on the highway passes through this intersection at a speed of 55mph. How fast is the distance between the automobile and the farmhouse increasing when the automobile is 2 miles ...
*April 10, 2015*

**Chem II**

Nevermind. I figured out what I needed to do. Thank you anyway!! =)
*April 7, 2015*

**Chem II**

The conversion of glucose into lactic acid drives the phosphorylation of 2 moles of ADP to ATP and has a standard free energy of -135 kJ/mol. C6H12O6 + 2 HPO4 + 2 ADP + 2 H+ --> 2CH3CH(OH)COOH + 2 ATP + 2H20 What is the standard free energy for the conversion of glucose ...
*April 7, 2015*

**chemistry**

n2+3I2>2NI3 if you have 28g of N2how many grams of NI3 will you be able to make?
*March 30, 2015*

**math**

I need to do the work on how I got the answer
*March 29, 2015*

**math**

how did you come up with the answer
*March 29, 2015*

**math**

I don't understand
*March 29, 2015*

**math**

Ruth's brother just went away to college this fall and had to buy his own laundry soap and fabric softener.The laundry soap was twice the cost of the fabric softener. the total of the two items was $7.47. how much did the laundry soap and the fabric softener cost ...
*March 29, 2015*

**chemistry**

A particular weak acid (HA) with a Ka of 2.0e-5 is 75% titrated with a strong base to produce a buffer solution. What is the pH of this final solution? Show all work.
*March 24, 2015*

**Math**

a cone and a hemisphere share the base that is a semicirclee with radius 3 and the cone is inscribed inside the hemisphere. find the volume of the region inside the hemisphere
*March 18, 2015*

**Math**

Solve the simultaneous equation 1/p minus 1/q = 3/2 1/p plus 1/q = 4
*March 18, 2015*

**Quote Analyzation**

"I backed away from him until I was atop the forecastle deck. The line of the crew had split, some to either side. 'Help me!' I appealed to them again. But though they were deaf to Captain Jaggery, they were equally deaf to me. The captain, in careful pursuit, now...
*March 17, 2015*

**Reading Comprehension**

"The steady wash of the waves, the bobbing and swaying of the ship, the creak and groan of timbers, all told me the Seahawk was plowing toward home...Nervously,I glanced over my shoulder through the steerage cabin...I had neglected to consider something about the voices I...
*March 16, 2015*

**Elementary Statistics**

Oops, never mind. I understand what I was doing wrong. Thank you :)
*March 10, 2015*

**Elementary Statistics**

My confusion isn't with the idea of IQ scores, I'm having trouble calculating the z-score when the number given is less than the mean. My answer doesn't make logical sense like it would if the x number was higher than the mean. If you could walk me through that I ...
*March 10, 2015*

**Elementary Statistics **

"Scores on the Wechsler IQ test approximate a normal curve with a mean of 100 and a standard deviation of 15. b. What percentage of IQ scores are below 74?" I've been working at this for a while now, but when I solve for the z-score, I keep getting a negative ...
*March 10, 2015*

**English (Novel)**

In chapter 18 of The True Confessions of Charlotte Doyle, how is the crew beguiled (tricked) into believing Captain Jaggery's testimony over Charlotte's?
*March 10, 2015*

**novel**

"Though I tried to keep my head up, my eyes steady, it was not easy. They looked at me as if I were some loathsome thing. At the same time, the more objections they made, the more determined a I was to prove myself." What might this quote from chapter 13 of The True ...
*March 6, 2015*

**Novel**

In chapter 13 of The True Confessions of Charlotte Doyle, why are the sailors hesitant about Charlotte taking Mr. Johnson's place on the crew?
*March 4, 2015*

**Novel**

In chapter 10 of The True Confessions of Charlotte Doyle, why does Cranick suggest that Captain Jaggery have Charlotte defend him?
*March 2, 2015*

**Novel **

In chapter 9 of The True Confessions of Charlotte Doyle, what does Charlotte try to work out in her head? What conclusion does she draw?
*March 2, 2015*

**Novel**

In chapter 9 of The True Confessions of Charlotte Doyle, Charlotte goes to the forecastle for the first time since she has been aboard the Seahawk to get a needle for Ewing. What might this suggest about her character? Of what literary device is this an example?
*March 2, 2015*

**books**

In chapter 9 of The True Confessions of Charlotte Doyle, where does Charlotte go for the first time since she has been aboard the Seahawk? For what does she go there? What might this suggest about her character? Of what literary device is this example?
*March 2, 2015*

**Math!! Help ASAP**

Calculate the slant height for the given cone. Round to the nearest tenth. Diameter=18 cm. Height=7 cm. A.11.2 B.12.5 C.14.8 D.11.4 ******** Correct?!?!
*February 26, 2015*

**Organic Chemistry**

I believe that it is eclipsed
*February 25, 2015*

**Social studies**

Do you have a book for this?
*February 25, 2015*

**math**

I think it does say how many in each group that Mary answered correctly by the way it words it but its hard to tell.
*February 25, 2015*

**math**

im not sure but i believe the answer is 76
*February 25, 2015*

**Physics**

Calculate the size of the gravitational pull of a sphere of mass 10kg on a mass 2.0kg when their centres are 0.2m apart. What is the force of the 2.0kg mass on the 10kg mass?
*February 25, 2015*

**Physics**

Calculate the weight of an astronaut whose mass (including spacesuit)is 72kg on the surface of the moon? What is the astronauts weight on Earth? Comment on the difference
*February 25, 2015*

**Algebra 2**

Because of friction and air resistance, each swing of a pendulum is a little shorter than the previous one. The lengths of the swings form a geometric sequence. Suppose the first swing of the pendulum has an arc length of 100cm and a return swing of 99cm. On which swing will ...
*February 23, 2015*

**Algebra 2**

Because of friction and air resistance, each swing of a pendulum is a little shorter than the previous one. The lengths of the swings form a geometric sequence. Suppose the first swing of the pendulum has an arc length of 100cm and a return swing of 99cm. a.)On which swing ...
*February 19, 2015*

**Algebra 2**

A diamond is purchased for $3500. Its value increases 5% each year. Find the value of the diamond at the end of the sixth year of ownership. Please explain
*February 19, 2015*

**Algebra 2**

A large asteroid crashed into a moon of a planet, causing several boulders from the moon to be propelled into space toward the planet. Astronomers were able to measure the speed of one of the projectiles. the distance (in feet) that the projectile traveled each second, ...
*February 18, 2015*

**Algebra 2**

What is the sum of the multiples of 4 from 16 to 100?
*February 18, 2015*

**physics**

a student wants to determine the coefficient of static friction and kinetic friction between a box and a plank by gradually raising one end of the plank. when the angle of inclination with the horizontal reaches 28.0, the box starts to slip and slide 2.53 m down the plank in 3...
*February 16, 2015*

**Algebra 2**

It takes You, riding a motorcycle, 2 hours less time to travel 60 miles than it takes Marley to travel 50 miles riding a horse. You travel 10 miles per hour faster than Marley on a horse. Find yours and Marley’s times and rates of travel. Hint: Set up a chart using d= rt
*February 13, 2015*

**science**

Two sleds collide and stick together sled a has mass of 140kg and a speed of 17m/s sled b has a mass of 80kg and a speed of 24m/s. There is no friction between the sleds and snow. Will the sleds be motionless after the collision or which one will move the other
*February 11, 2015*

**Algebra**

The Roice family have a rectangular swimming pool. It measures 16' x 32'. This summer they are installing a sidewalk around the pool. The width of the sidewalk is yet to be determined, 1) Using the x as the width of the sidewalk, write a Polynomial to represent the ...
*February 10, 2015*

**College Physics**

What is the centripetal force acting on an object with a mass of 20 kg moving at a velocity of 10 m/s in a circle with a diameter of 5 m? When the object is moving with circular motion, are the forces balanced on the object? Why or why not?
*February 6, 2015*

**College Physics**

A rope can withstand a maximum tension force of 500N before breaking. If we use the rope to pull a 24 kg bucket of water from a well, what is the maximum acceleration upward we can use without breaking the rope?
*February 6, 2015*

**College Physics**

A 750 kg rocket accelerates straight upward from the ground at 60 m/s2. What is the force (thrust) provided by the engine?
*February 6, 2015*

**College Physics**

Human nerve impulses travel at about 10 m/s. Estimate the minimum reaction time from the moment you perceive an obstacle in front of your car and the moment that your foot receives the command to press on the brakes. Consider your height as 1.73m. If the car is traveling at ...
*February 6, 2015*

**College Physics**

Find (a) the magnitude and (b) the direction of the net force on an object given that the following forces act on the object at the same time: 10N east, 20N down, 20N west, 30N down, and 20N up.
*February 6, 2015*

**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*