Friday

February 27, 2015

February 27, 2015

Total # Posts: 397

**engineering science n3...please help and explain**

Heat A.5kg of steel is cooled down in oil and the temperature drops from 900 degrees celsius to 27degrees celsius. The specific heat capacity of steel is 460J/kg degrees Celsius and that of oil 1.5kJ/kg degrees Celsius Calculate the following: 1.quantity of heat lost by steel ...
*February 24, 2015*

**STAT**

A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer. Find the probability that the student passes the quiz with a grade of at least 70% of the questions correct
*February 20, 2015*

**Math**

The ratio of oil to vinegar in a certain salad dressing is 8:5. How much oil must be blended with 7 liters of vinegar for that recipe?
*February 18, 2015*

**Finance**

Assume personal income was $28 million last year. Personal outlays were $20 million and personal current taxes were $5 million. a. What was the amount of disposable personal income last year? Disposable personal income (DPI) = personal income – personal current taxes DPI...
*January 28, 2015*

**Psychology**

Treena is a personable student in Mr. Jordan’s math class. Mr. Jordan can see that Treena is popular with her peers. He regularly sees her conversing animatedly with her friends in the cafeteria and before and after school. She does well in class also. Her homework is ...
*January 27, 2015*

**Engineering Economy**

I think my answer was wrong. It should be P7,425. Am I right?
*January 27, 2015*

**Engineering Economy**

Maintenance cost of an equipment is P20,000 for 2 years, P40,000 at the end of 4 years, and P80,000 at the end of 8 years. Compute the semi-annual amount that will be set aside for this equipment. Money worth 10% compounded annually. My answer is P152,166.38. Is it correct? If...
*January 27, 2015*

**math**

9000
*January 27, 2015*

**engineering economy**

Maintenance cost of an equipment is P20,000 for 2 years, P40,000 at the end of 4 years, and P80,000 at the end of 8 years. Compute the semi-annual amount that will be set aside for this equipment. Money worth 10% compounded annually.
*January 26, 2015*

**Geometry, Cubes**

The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted red?"...
*January 24, 2015*

**Geometry**

The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted red?"...
*January 24, 2015*

**Geometry**

How many different surface areas are possible when 8 one inch cubes are arranged so that each has one or more faces in common (touching) with at least one of the other cubes? We have to use a physical model. And I have no idea how to start this or even do it.
*January 24, 2015*

**Education/college **

I had to create some learning goals for a personal Finance course (I am pretending to teach. I have these learning goals that I need to make less ambiguous. Can you help me? Balance a checkbook Understanding the banking process Identify pros and cons of credit cards Assess ...
*January 24, 2015*

**Math**

Identify the solution(s) of the system of equations, if any. x + 5y = 7 4x - 5y = 13
*January 23, 2015*

**mat/116**

simplified expression for 8(x - 8) - 6(x - 3) + 3x.
*January 20, 2015*

**college/education**

I have to answer the following questions and just need help finding the right place to look. Guess I am no posting the questions right because I get stuff that will not help me. 1. Why is it logical to write test items or assessments before producing instructional strategies? ...
*January 15, 2015*

**math**

The temperature on one day in January for Phoenix, AZ, is 62 degrees Fahrenheit. On the same day in Barrow, AK, the temperature is -29 degrees Fahrenheit. What is the difference between these two temperatures?
*January 11, 2015*

**math**

Please solve the system with the elimination method. Explain each step as it is performed. 5y = x 2x - 3y = 7 Would the elimination method have been your first choice to solve this problem?
*December 18, 2014*

**math**

Renting a Car A rental car costs $25 plus $0.25 per mile. (a) Write an equation that gives the cost C of driving the car x miles. (b)When will the rental be $100 dollars? Complete numerically with a table of values.
*December 14, 2014*

**6G Math (pls check my answer)**

Q2: 2x<12 My answer: 2x < 12 2x/2 < 12/2 x < 6 So "x<6" is the answer, correct?
*November 18, 2014*

**6G Math (pls check my answer)**

Solve the inequality. y+3<6 My answer: y+3<6 y+3-3<6-3 y<3 Am I correct?
*November 18, 2014*

**Biology*STUCK* **

The fluid mosaic model describes the structure of the plasma membrane. Embedded within the plasma membrane are proteins and carbohydrates that contribute to the term mosaic. Glycolipids and glycoproteins are examples of carbohydrates on the surface of red blood cells that ...
*November 12, 2014*

**Biology*STUCK* **

The fluid mosaic model describes the structure of the plasma membrane. Embedded within the plasma membrane are proteins and carbohydrates that contribute to the term mosaic. Glycolipids and glycoproteins are examples of carbohydrates on the surface of red blood cells that ...
*November 12, 2014*

**physics**

Rearrange the kinetic energy equation to solve for: m And v
*November 11, 2014*

**Grammar**

After being medicated, the patient's affect/effect was noticeably improved. My answer: the medication had an effect on the patient.
*November 11, 2014*

**Sociology/Social Responsibility**

I think of publicity and the news. Ok do you know of a good web site that might help me!!
*November 10, 2014*

**Sociology/Social Responsibility**

I have to write two paragraphs on Gays in the Military. The Don't Ask Don't Tell" campaign. What mediums, messages and techniques did this campaign use to make it so effective. i CAN FIND A LOT OF INFO ON THE GAYS IN THE MILITARY, BUT NOTHING THAT HELPS ANSWER ...
*November 10, 2014*

**English/grammar**

Are the following statements correct. 1. There is/are normal DTRs noted on examination. 2. The prosthetic hardware was/were freed from the surrounding tissues and removed. Is this correct: 1. are 2. was
*November 10, 2014*

**Grammar**

There is normal DTRs noted on examination. The prosthetic hardware was freed from the surrounding tissues and removed. I think both sentences are ok as are.
*November 10, 2014*

**math**

If you can earn a 4% average return on your investments, how much invested capital must you have to earn $53000.00 per year.
*November 7, 2014*

**biology**

Colour blindness is a recessive disorder. If a colour blind male is crossed with a normal female, what are the possible genotypes and phenotypes of the offspring
*November 6, 2014*

**Biology **

The scientist analyzes the insulin molecules, which are proteins, of three different species, A, B, and C. The insulin from A is different from B in six ways and from C in three ways. The insulin from B is different from C in two ways. Which two species appear to be most ...
*November 3, 2014*

**Sociology/Social Responsibility**

Ok how do I set this up as a journal entry. do you know of a site that can help me
*November 2, 2014*

**Sociology/Social Responsibility**

I don't know how to set up the journal entry (when I Google it it just gives me accounting journals). I also am not sure how to go about answering the questions. Could someone please help!! Write a 2-3 paragraph Journal entry addressing the following questions. What ...
*November 2, 2014*

**algebra**

The slope of a vertical line is _________? The equation of the vertical line passing through (4, 5) is ________?
*October 24, 2014*

**algebra**

The slope of a horizontal line is 0. The equation of the horizontal line passing through (4,5) is ________?
*October 24, 2014*

**college algebra**

A line has the equation y = 5x + 4.(a) This line has slope of ___________? (b) Any line parallel to this line has slope _________? (c) Any line perpendicular to this line has slope _______?
*October 24, 2014*

**algebra**

A rental company purchases a truck for $14,500. The truck requires an average cost of $6.75 per day in maintenance. (a) Find a linear function that expresses the total cost C of owning the truck after t days. C(t) = (b) The truck rents for $55.00 a day. Find a linear function ...
*October 24, 2014*

**algebra**

The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acre-feet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature, °F af 40 760 60 ...
*October 24, 2014*

**algebra**

A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees Fahrenheit) of the pottery after it is removed from the kiln for various times (in minutes) is shown in the following table. Time, min Temperature, °F 15 ...
*October 24, 2014*

**college algebra**

There were 39,000 desktop publishing jobs in the United States in 2000. It has been projected that there will be 64,000 desktop publishing jobs in 2010. (a) Using the BLS data, find the number of desktop publishing jobs as a linear function of the year. N(t) = ________ (b) ...
*October 24, 2014*

**Sociology/Social Responsibility**

How can I connect the three "Classical Theories of Morality" to my own cultural identity? How will they align or not align with my cultural identity? How does cultural identity impact social responsibility. The Three classical theories of Morality are Nicomachean ...
*October 19, 2014*

**Differential Equations**

(D^2 + 1) y = 1/(1 + sin x) solve for Yp.
*October 14, 2014*

**Differential Equations**

(D^2 + 1) y = sec^2 (x) tan (x) solve for Yp.
*October 14, 2014*

**Differential Equations**

(D^2 + 1) y = sec^3 x solve for Yp.
*October 14, 2014*

**Differential Equations**

(D^2 + 1) y = sec^2 2x solve for Yp.
*October 14, 2014*

**math**

find two numbers the exact answer is between 3*567
*September 29, 2014*

**Math**

Thank you
*September 14, 2014*

**Math**

What about 25-5=x/2
*September 14, 2014*

**Math**

So can you please help me
*September 14, 2014*

**Math **

Ok so I need to write a equation for this jasmine paid $25 for 2 binders and 1 pack of pens. The pens cost $5. What equation could I write to find out the price per binder? Could it be 25-5=x
*September 14, 2014*

**Algebra 2**

Solve the equation. X^2+10x-20=0
*September 9, 2014*

**P.E**

DEFINATELY D--Obesity. IF he keeps that sitting on him bottom watching tv, he's going to be a roly poly in no time!
*August 26, 2014*

**algebra**

4ax+8a-10x-20
*August 21, 2014*

**Education/College**

Do you believe that men and women develop in similar ways across the socioemotional domain in middle adulthood. I have read chapter 16 of my book but it is confusing me!
*August 12, 2014*

**Education/College**

I have to invent a fictional character and do charts on them from infancy to early childhood,middle and late childhood adolescence, and early adulthood. I have to give this character a name , race, gender and parents. I will have to find pictures to portray my character at all...
*July 14, 2014*

**Education/College**

Thank You Ms. Sue You are always there when I need you. You have given me an example that I can work with. Not that example, per say, but this helps me to make a decision about an example.
*July 14, 2014*

**Education/College**

I am now in a Life Span Development course. I need an example of a personal experience that involves nurture in regard to human development
*July 14, 2014*

**Education/College**

In what ways does understanding the origins of the educational system in the U.S. be useful to me as a future educator?
*July 12, 2014*

**Education/College**

The role of education is society.... What types of educational opportunities were available to people in a global society? Do people need education in a Global society? What types? Why or Why not? What is the role of education in society today? What is it designed to ...
*July 11, 2014*

**Math**

what is the future value of 500 deposits at the end of each year for eight years 8% compounded annually what is the annuity at the end of eight years
*July 7, 2014*

**College/Education**

can you recommend some web sites to look for jobs in the field of Education, besides a teacher or administrator.It has to be a non-traditional role like , training and staff development, educational policies, community programs, educational research and evaluation, curriculum ...
*July 2, 2014*

**Education/College**

!954 to 1980 How did the laws intended to increase access , help to eliminate the challenges faced by disenfranchised groups and open doors for educational opportunities. Did these laws create additional issues that needed to be solved. If so how?
*July 2, 2014*

**Education**

Should education be structured to ensure that educated individuals achieve certain results or outcomes? I have tried to google this and Bing it but cannot find what I am looking for. Any ideas where I can Look??
*June 23, 2014*

**Education**

Thank you Ms. Sue
*June 17, 2014*

**Education**

Of progressive administration and progressive pedagogy, which approach is most effective for learners today and why? I have researched both and cannot decide.
*June 17, 2014*

**social studies**

what is an amendment? Why is it important that the constitutional convention provided for amendment?
*June 3, 2014*

**English**

What is 3 point difference between working students vs. non working students?
*April 29, 2014*

**Education**

How do I compare and contrast learning as a process and learning as a product.
*April 17, 2014*

**Chemistry**

Alright thanks! Using what you gave me I got T= 53 degrees, hope thats right!
*April 10, 2014*

**Chemistry**

Will someone show me the formula or help me through working this question? Thanks! A 2.85g lead weight, initially at 10.3 deg C, is submerged in 7.55g of water at 52.3 deg C in an insulated container. what is the final temperature of both substances at thermal equilibrium?
*April 10, 2014*

**Mrs. Sue Please Help**

I posted a question for my education class yesterday and have gotten no reply. Will you look at it and see if you can help me. I am running out of time.It is under Education Cathy.
*March 16, 2014*

**Education**

I have never had this much trouble getting help from this web site before. I don't understand why it is taking so long to get a reply. My assignment will be done and over before writeteacher can help me.
*March 15, 2014*

**Education**

Learning Styles are: Cognitive, Physiological, affective and social. Should this not be added. I just cannot come up with the characteristics I need for the concept map. Do you have any suggestions?
*March 15, 2014*

**Education**

I need to identify categories of learner characteristic that relate to diversity in the learning environment. describe the implications for learning associated with those characteristics? I have came up with : Prior Knowledge and Learning Styles. I have to create a concept map...
*March 15, 2014*

**Education**

Thank you so much, you have always been a great help to me. I am 52 years old and sometimes I just need a little push in the right direction. I am trying to obtain my bachelors degree in early childhood education. I already have my associates degree.
*March 8, 2014*

**Education**

Why is it important for an instructional designer to know these connections?
*March 8, 2014*

**Education**

You learn from all of those areas in your life. So how does this make up your learning network? Is it that your learning network is your teacher, peers, family,and your environment?So how does this help your instructor to understand these connection?
*March 8, 2014*

**Education**

How does formal and informal learning experiences combine to make up a persons learning network? Why is it important for a instructional designer to understand these connections?
*March 8, 2014*

**Education**

I know that "know how " is non-representational and that "know that" is representational , but what does that mean??
*March 7, 2014*

**Education**

What is the difference between "knowing that" and "knowing how"?
*March 7, 2014*

**Math**

Suppose two lines intersect in a plane. A. What do you know about the two pairs of vertical angles formed? B. What do you know about the pairs of adjacent angles formed?
*February 19, 2014*

**physics**

a ball bounces three times before it is caught. it initially falls 5 m, then rises back up to 4m, then falls 4m, rises back up to 3m, then falls 1.5m where it is caught. what is the balls displacement from its original position 5m above the ground?
*February 12, 2014*

**Math**

Suppose you want to make a map with scale 1 in. : 12 mi. How many inches does each distance occupy on the map? 4. 60 mi 5. 9 mi 6. 40 mi
*February 11, 2014*

**Multicultural Dimenstions**

I am writing an essay on Prejudice and Discrimination. I cannot come up with an introduction. I have a quote and one line so far. "Do you know what we call opinions in the absence of evidence? We call it Prejudice"- Michael Crichton Prejudice and discrimination have ...
*January 18, 2014*

**math**

expand a simplify the first three terms of each binomial power a. (2z*3 - 3y*2)*5 b. (3b*2 - 2/b)*14 c. (5x*3 + 3y*2)*8 d. (sqrt.a + sqrt.5)*10 sqrt= square root
*January 14, 2014*

**math**

in a geometric series t1=23,t3=92 and the sum of all of the terms of the series is 62 813. how many terms are in the series?
*January 12, 2014*

**writing**

Thank you for your help, I am going to finish my paper now you have been a lot of help!!
*January 4, 2014*

**writing**

Thank You Change noted what next
*January 4, 2014*

**writing**

How about this?? Perception drives people every day.What people perceive is usually what they believe, and this is based on what they hear see and think. This paper will help me to understand this better by analyzing the perception of three observers to a photo I showed them.
*January 4, 2014*

**writing**

This paper will help me understand how perception works through doing an analysis of what three observers declared were their perceptions of a photo I showed them. First my paper will discuss the three steps of perception and give definitions, second I will provide description...
*January 4, 2014*

**writing**

I am trying to set up and write an essay on the subject of "Perception" I have my outline and have written what I need just don't know how to set it up and make it run together
*January 4, 2014*

**economics**

Consider the following production possibilities table: Option Y X A 0 100 B 80 80 C 120 50 D 140 10 a)Provide a measure of the approximate marginal opportunity cost of an additional unit of X for each interval. Is the law of increasing cost satisfied? Explain b) Is the ...
*October 23, 2013*

**Special Education Setting**

when working with behavior disordered children in the classroom,the teacher aide can modify behaviorby A)praising them when they succeed. B)using the same teaching techniques for every student C)underestimating what the child can do. D)reinforcing the problem behavior. I ...
*October 3, 2013*

**Special Education Setting Teachers Aide**

children with a language or speech disorde are A)sometimes suffering from an aphasia.(my answer) B)always learing challenged. C)able to receive special help only after the third grade. D)unable to use communication boards. can someone please check if this is right please
*September 26, 2013*

**Human resources**

Please help I need clarity on how to tackle this assignment The assignment is titled: “Organisational and Individual Performance: Seminal and Contemporary Theory and Practice.” Critically evaluate and analyse the HRM literature and provide an argument for how you ...
*August 20, 2013*

**Algebra**

can someone help with this 8x/16x^2=5/x-4 solve
*August 1, 2013*

**american history**

Which of the following was the primary interest of the British goverment in approving James Oglethorpe's Georgia colony? A. developing new lands for rice production B.Thwarting spanish claims in the area south of carolina C. Providing an asylum for British debtors D. ...
*June 26, 2013*

**math**

(2x+3y)^(3/2)
*June 26, 2013*

**differential calculus**

y = sin x find the derivative...
*June 26, 2013*