Friday

July 31, 2015

July 31, 2015

Total # Posts: 897

**Statistics **

The number of books sold over the course of the three-day book fair were: 365, 303, 401. Assume that samples of size 2 are randomly selected with replacement from this population of three values. a. List the different possible samples, and find the mean of each of them. b. ...
*July 20, 2015*

**Statistics**

A study of the amount of time it takes a mechanic to rebuild the transmission for a 1992 Cavalier shows that the mean is 4.5 hours and the standard deviation is .6 hours. If 42 mechanics are randomly selected, find the probability that their mean rebuild time is less than 3.5 ...
*July 20, 2015*

**Statistics**

The music industry must adjust to the growing practice of consumers downloading songs instead of buying CDs. It therefore becomes important to estimate the proportion of songs that are currently downloaded. How many randomly selected song purchases must be surveyed to ...
*July 20, 2015*

**Statistics**

75 packages are randomly selected from packages received by a parcel service. The sample has a mean weight of 10.2 pounds and a standard deviation of 2.9 pounds. What is the 95% confidence interval for the true mean weight of all packages by the parcel service?
*July 20, 2015*

**Statistics**

The Tyco Video Game Corporation finds that it is losing income because of slugs used in its video games. The machines must be adjusted to accept coins only if they fall within set limits. In order to set those limits, the mean wight of quarters in circulation must be estimated...
*July 20, 2015*

**Statistics**

A sample of 106 body temperatures resulted in a mean of 98.2 degrees and a standard deviation of .62 degrees. Use these sample statistics to construct a 98% confidence interval estimate of the standard deviation of body temperature of all healthy humans.
*July 20, 2015*

**math**

49 students went on a trip .There are 5 more girls than boys.How many boys are there?
*July 16, 2015*

**math**

In a school with 323 students there are 15 more girls than boys.How many boys are there?
*July 16, 2015*

**math**

steve ur answer is born wrong sorry
*July 16, 2015*

**math**

49 students go on a trip there are 5 more girls than boys.how many boys are there?
*July 16, 2015*

**math arithmetic sequence and series**

A theater has 30 seats in the first row, 33 seats in the second row, 36 seats in the third row, and so on in the same increasing pattern. If the theater has 15 rows of seats, how many seats are in the theater?
*June 30, 2015*

**Math**

What is the approximate average of these numbers: 9,18 and 31?
*June 15, 2015*

**P.E**

Correct
*May 22, 2015*

**Language Arts**

3 is 4 4 is 2
*May 22, 2015*

**Language Arts**

Okay thanks.... I still think its the last one because it gives a clear thesis
*May 22, 2015*

**Language Arts**

I think "The use of tablets positively affects student achievement in school" is the correct answer
*May 22, 2015*

**Language Arts**

Yes, there are two more answers but i dont think they are correct -How much tablets cost, and how are they maintained Tablets are too expensive
*May 22, 2015*

**Language Arts**

I think its B
*May 22, 2015*

**Language Arts**

Read the following topic. How could you rewrite the topic to form a focused thesis statement? *Tablets and School* -Schools use tablets daily -The of tablets positively affects students achievement in school
*May 22, 2015*

**Language Arts**

Okay thanks
*May 22, 2015*

**Language Arts**

You are trying to convince your community council to install recycling bins at the local park. Which of the following types of writing could you use most effectively to try to change the situation? -A reflective essay about the fun that you and your friends had at the park -An...
*May 22, 2015*

**Art**

Which is the best definition of intaglio? -To copy images onto the surface of paper -To chemically transfer images to the surface of paper -to carve or engrave images into the surface of a plate -to print money using high tech methods
*May 21, 2015*

**Algebra**

Okay... What does that mean?
*May 17, 2015*

**Algebra **

-2,3,1,4,5,9,.... which is most likely the 10th value in the sequence??
*May 17, 2015*

**Science**

I can't find the answer... All of them are not showing any answer... Please help Ms.Sue!!
*May 14, 2015*

**Science**

I think it's B
*May 14, 2015*

**Science**

How did Darwin and Lamarck differ in their thinking about change in species? Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism’s environment. Darwin thought that change could occur in ...
*May 14, 2015*

**Math**

What is the least perimeter of a rectangle with an area of 32 square feet?
*April 19, 2015*

**SS **

Which Party endorsed the Wilmot Proviso? 1. Whig 2. free-soil 3. democratic ** 4. republican ** what i think is right.
*March 27, 2015*

**chemistry**

7.5 gm of chromium and 7.5 grams oxygen yield
*March 25, 2015*

**Sociology**

This golf club did not allow African-Americans and women to be members until 1990 and 2012, respectively.
*March 24, 2015*

**General Homework**

I have an assignment where I have to use bullet points. I already have an idea with many bullet points. However, under one of the bullet point idea, I have a few more ideas. Do I put those ideas in bullet points or what is the proper format?
*March 23, 2015*

**English**

Should fragrances be allowed in schools? I need 3-4 reasons for no. the only one that i can think of would be that people are allergic to it. What are some other ones?
*March 13, 2015*

**Science**

A particular ecosystem in Georgia can support a maximum population of 100 blubirds. Which of the following would allow 120 bluebirds to live together in this ecosystem? -human activity disrupting the nesting habits of a preditor hawk -flooding that decrease the local insects ...
*March 6, 2015*

**Math**

Which statment is true? A right triangle alwas has two acute angles.
*March 5, 2015*

**Language Arts**

Which of the following sentences uses a predicate noun? A. When you leave, I will feel sad. B. My sister is their most valuable player. C. Their most valuable player is she. D. I will be saddened when you leave. Thank you for any help you give!
*February 28, 2015*

**Language Arts**

Thank you Ms. Sue. This really helped me. Again, thank you!
*February 27, 2015*

**Language Arts**

Which of the following sentences contains a pronoun in the objective case? A. What costume should I wear to the party tonight? B. Maybe Martha will loan me something. C. Her costumes are always the best. D. She won first prize in a Halloween contest last year! Is the answer A ...
*February 27, 2015*

**Vocabulary**

When we made our appeal for funds, their response was so (incalculable, frigid) that we realized we would have to find other ways of raising money. incalculable
*February 27, 2015*

**Health **

what is the blood vessel that returns blood to the heart from the rest of the body?
*February 23, 2015*

**Vocabs**

1. When we made our appeal for funds, their response was so (incalculable, frigid) that we realized we would have to find other ways of raising money. incalculable
*February 22, 2015*

**Algebra**

Find five solution sets for the linear equation 3x - 5y = 15.
*February 17, 2015*

**English**

what does rhetoric mean in this sentence? He has toned down the rhetoric since his star-crossed days as minister.
*February 12, 2015*

**Physic**

Hi, I'm learning about simple harmonic motion of a mass-spring system and I've been working at 2 problems for the past hour. I believe I have the right formula and I know what the answers should be but Im getting a different answer. Can you explain it step to step to ...
*January 20, 2015*

**Business**

Is it better if canadian dollar has high value or low value for canada. I think high value is better. But I'm not sure
*January 18, 2015*

**Health **

if you catch a cold which component of blood do you rely on to help attack the virus that has invaded your blood stream
*January 13, 2015*

**Health **

the heart is composed of how many loops
*January 13, 2015*

**Algebra**

These are the three questions that I'm struggling with. Question 2 is a matter of terminology. Questions 1 and 3 are just difficult for me to decipher through and are causing me some confusion. (The initial set of directions apply to each question). 1. Assign a value to ...
*January 13, 2015*

**Health **

the muscular system is essential because it allows our bones to
*January 12, 2015*

**HIstory**

We have to do a project where we have to write the diary for a fictional person. I chose to do a canadian western farmer. I was wondering if anyone know a site where they have the kind of words or language that western farmers in canada would use in the 1900s
*January 11, 2015*

**English**

Would fate be a theme or a subject. Most websites would just list fate as a theme. However, i learned before that a subject is what a book talks about and a theme is like a lesson. So what would fate be?
*January 8, 2015*

**Math**

A license plate manufacturer is punching plates with pattern: L#L-##LL where L represents a letter and a # represents a digit from 0 through 9.If a letter can be any letter from A to Z except,O, how many different license plates are possible?
*January 5, 2015*

**Geography**

What are some of the ways that individual citizens of Latin America are working to improve their economic situtaion?
*December 10, 2014*

**physics**

You want to set up a standing wave on a string that has a length of 3.7 m. You find that the lowest frequency that will work is 46 Hz. What is the speed of a wave on this string?
*December 5, 2014*

**Math**

You need 2 cups of orange juice to make 3 quarts of punch. How many cups of orange juice do you need to make 3 gallons of punch?
*December 1, 2014*

**art**

why would an artist chose to use harmony in a piece of artwork?
*November 30, 2014*

**Physics**

A 4.9 kg block initially at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 14 N. Find the speed of the block after it has
*November 4, 2014*

**maths**

one card is taken from the bag write down all the possible outcomrs of the event
*November 4, 2014*

**physics**

Calculate the PRP, PRF, PD, DF, SPL, wavelength, period, and Axial Resolution if a 2 cycle pulse emitted from a 10 MHz transducer if the echo time received was 0.26 ms in soft tissue.
*November 4, 2014*

**science**

Calculate the PRP, PRF, PD, DF, SPL, wavelength, period, and Axial Resolution if a 2 cycle pulse emitted from a 10 MHz transducer if the echo time received was 0.26 ms in soft tissue. Part II - Using the information above: 1. If the PRF decreases what happens the DF? 2. If ...
*November 3, 2014*

**chemistry**

calculate the volume of 0.0321M NaOH that will be required to neutralize 25.00 mL of a 0.0399M hydrochloric acid solution. M1v1=m2v2 since were trying to find out the volume I would change the equation to m2 times V2 divided by M1 0.0399 X 0.025/0.0321 =0.031L I don't know...
*November 2, 2014*

**Health**

Is it possible under any type of medical examination（ex. Gastroscope ) to find out if someone has been on diet medicine? Why?
*October 26, 2014*

**Physics**

While following the directions on a treasure map, a pirate walks 49.7 m north, then turns and walks 4.1 m east. What is the magnitude of the single straight-line displacement that the pirate could have taken to reach the treasure?
*October 26, 2014*

**Health**

Is it possible under any type of medication （ex. Gastroscope ) to find out if someone has been on diet medicine? Why?
*October 26, 2014*

**Chemistry**

Ammonium carbonate decomposes upon heating according to the following balanced equation: (NH4)2CO3(s)→2NH3(g)+CO2(g)+H2O(g) Calculate the total volume of gas produced at 24.0∘C and 1.02atm by the complete decomposition of 11.9g of ammonium carbonate. Please show ...
*October 25, 2014*

**Algebra **

What is the mean and extremes of proportions?
*October 13, 2014*

**chemistry**

what is the final M solution prepared by diluting 5.0 mL of 6.0 M HCl to 60.0 mL
*October 13, 2014*

**math**

A theater contains 441 seats and the ticket prices for a recent play were $45 for adults and $21 for children. if the total proceeds were 13,797 for a sold out matinee, how many of each type of ticket were sold?.
*October 6, 2014*

**Math**

Water is leaking out of an inverted conical tank at a rate of 0.0109 {\rm m}^3{\rm /min}. At the same time water is being pumped into the tank at a constant rate. The tank has height 9 meters and the diameter at the top is 4.5 meters. If the water level is rising at a rate of ...
*October 5, 2014*

**Physics**

A bullet is fired straight up from a gun with a muzzle velocity of 312 m/s. Neglecting air resistance, what will be its displacement after 1.4 s? The acceleration of gravity is 9.8 m/s 2 .
*September 28, 2014*

**Physics**

A robot probe drops a camera off the rim of a 429 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2. What equation will be appropriate to find velocity?
*September 28, 2014*

**math**

Nala and her cousin agreed that they would each mow one-half of the lawn. The lawn is a 25' by 45' rectangle. The lawn mower cuts a path two feet wide. Nala starts at one corner and mows a path completely around the outside, and then continues to mow the outermost ...
*September 21, 2014*

**Math**

Locate the square root of negative 15 and the square root of 94 cubed to three decimal places on a number line using rational approximations
*September 3, 2014*

**Math**

What does this question mean Find the zeros of the following equation y=(x+1)(x-3) Does it mean. 0=(x+1). Or 0=(x-3) x=-1. Or x=3
*August 27, 2014*

**phi 208 ethical and moral reasoning**

Ideals of Human Excellence and Preserving Natural Environments Thomas E. Hill, Jr.*
*August 21, 2014*

**phi 208 ethical and moral reasoning**

Hill uses this technique in the middle of the article to examine ideas about the human’s place within nature: (Points : 1) He presents specific factual examples that demonstrate harm to the environment. He presents a fictional example of a perfect island. He asks the ...
*August 21, 2014*

**phi 208 ethical and moral reasoning**

Robinson suggests that the more closely one associates with one’s identity with a certain group, the more one will (Points : 1) Associate one’s honor with defying the honor of the group Associate one’s honor with that of the group Associate one’s honor with...
*August 21, 2014*

**phi 208 ethical and moral reasoning**

Robinson agrees with Aquinas’ idea that (Points : 1) Honor is a subjective quality Honor is secondary to integrity Honor must be displayed in action Honor is secondary to magnanimity None of the above I think it is c am I correct
*August 21, 2014*

**phi 208 ethical and moral reasoning**

Robinson describes magnanimity and integrity as both primarily concerned with what? (Points : 1) Honor Wealth Courage Generosity
*August 21, 2014*

**Chemestry**

If an ion contains 50 protons,68 neutrons and 48 electrons.what is its symbol?
*August 1, 2014*

**Math **

Shelly delivers the weekly local paper to neighborhoods in her town. House numbers are even on one side of the street and odd on the other. Shelly delivers an equal number of papers to both sides of the street. Although she always aims for the front doorstep, Shelly typically ...
*July 19, 2014*

**Introduction to statistics**

A researcher would like to estimate the population proportion of adults living in a certain town who have at least a high school education. No information is available about its value. How large a sample size is needed to estimate it to within 0.19 with 99% confidence? n= (...
*July 17, 2014*

**math**

If I lend somebody one hundred thousand dollar and they have to pay me back in five years, with 4% interest...how much will I get monthly ? ( I am NOT a student...however I am thinking of lending my community this amount of money. Can't find any site that can help me. ) ...
*July 1, 2014*

**math**

it is required to find a rational number which is equal to the recurring decimal number 0.327327327...,(a)find the value of 1000x-x (b)hence, express 0.327327327... in the form a/b, where a and b are integers.
*June 27, 2014*

**com 200**

Kyle has struggled to feel comfortable in science classes with labs since his junior year of high school, when a solution he was working with ignited. He was always cautious with chemicals but his lab partner that year enjoyed seeing what would happen when he mixed random ...
*June 15, 2014*

**maths**

how many jelly beans in a jar more than thirty less than sixty
*June 10, 2014*

**Science**

Oh wow, Sorry Ms. Sue! I honestly couldn't find it, so that's why I reported. Thanks for the help!
*May 18, 2014*

**Science **

Please help! Many people who care about conserving natural resources would choose to use wind energy to power their homes. However, wind power is not an option for people in many parts of the country. Explain what the benefits of wind power are and why it is not available to ...
*May 18, 2014*

**Science : Please Help!**

Many people who care about conserving natural resources would choose to use wind energy to power their homes. However, wind power is not an option for people in many parts of the coutnry. Explain what the benefits of wind power are and why it is not available to everyone in ...
*May 18, 2014*

**math**

What is the mean of the following set? 134, 298, 328, 95, 119
*April 21, 2014*

**5th grade math **

Estimate the quotient. 3,594/68 My answer is 3,500/70=50 Is my answer correct?
*April 9, 2014*

**5th grade math**

I should have said 240/80=3 because 400 is not close to 255.
*April 9, 2014*

**5th grade math**

Thanks. For 255/81, my answer is 400/80=5. Do I have correct answer?
*April 9, 2014*

**5th grade math **

Estimate the quotient. 1.175/18 2. 231/37 My answer is 1. 200/20=10 2. 200/40=5 Did I find the correct estimates for these problems?
*April 9, 2014*

**5th grade math**

Thank you!
*April 9, 2014*

**5th grade math **

Name the compatible numbers used to find the estimate. 1. 725/19 estimate:35 2. 3,641/34 estimate:120 Please show me how to work out these problems.
*April 9, 2014*

**physics**

At an angle of 42 degrees to the left of the normal. Because the law of reflection states that the angle of incidence is equal to the angle of reflection
*April 9, 2014*

**math**

Name the position of the first digit of the quotient. 1. 832/4 2. 217/7 I don't understand. Someone please explain to me.
*April 8, 2014*

**math **

suppose a normal distrubtion has a mean of 25 and a standard deviation of 2. what is the area under the curve between 23 and 27
*April 2, 2014*

**math **

Rewrite the following equation in the center-radius form of the equation of a circle. x2 - 2x + y2 + 2y - 2 = 0
*March 21, 2014*