Sunday

April 19, 2015

April 19, 2015

Total # Posts: 784

**Trigonometry**

Find the exact value of tan(a-b) sin a = 4/5, -3pi/2<a<-pi; tan b = -sqrt2, pi/2<b<pi identity used is: tan(a-b)=(tan a-tan b)/1+tan a tan b simplify answer using radicals. (a is alpha, b is beta)
*November 8, 2010*

**algebra**

sorry. 2x=-20 x=-10
*November 8, 2010*

**algebra**

4x-8=12+6x -8=12+2x -20=x
*November 8, 2010*

**math**

63/87.5=.72 .72*100= 72 Answer is about 72 million
*November 8, 2010*

**math**

21,854,374/100=218,543.74 Korean: 218,543.74*12.4=2709942.376 which will just be 2709942 WWII: 218,543.74*10.7=2338418.018 which will just be 2338418 Then subtract: 2709942-2338418=371524.
*November 8, 2010*

**6th grade**

Answer is $209. 114.95/55=2.09 2.09*100=209 Checking: 209/100=2.09 2.09*55=114.95
*November 8, 2010*

**geometry**

are DE and GJ equal? If so: 4x+5=3x+25 4x=3x+20 x=20 4(20)+5=85
*November 6, 2010*

**Porter model**

Identify the competitive forces in Porterâ€™s model. What affect might these forces have on a business? What can a business do to respond to these forces?
*November 4, 2010*

**Math Calculus**

A firm finds that it can sell all the radios it manufactures st a price of $75 each. If x radios are manufactured each day and C(x)=x^2 +25x +100 is the daily total cost of production, how many radios should be produced each day for the firm to maximize daily profit? What is ...
*November 3, 2010*

**chemistry**

The molar mass of a volatile liquid(one which vaporizes easily) can be determined by a the 'Dumas Method.' In this process a small amount of the liquid (a few drops) is placed in a clean flask. The mouth of the flask is covered with a piece of foil that has a small ...
*November 3, 2010*

**Physics**

What is the pressure difference required to make blood flow thru artery of inner radius 2.0 mm and length 0.18 m at a speed of 5.6 cm/s? I used P1-P2 = speed*8*n*L/r squared n = viscosity of blood = 4 x 10e-3 L = .18 m r = 2 x 10e-3 m When plugged in I get P1-P2 - 80.64 Pa but...
*November 2, 2010*

**college**

how much enery is necessary to heat 1.0kg of water from room temperature to the boiling point?
*October 28, 2010*

**science**

How many grams of solid product can be produced by mixing 45.6 grams of chlorine gas with excess sodium metal?
*October 25, 2010*

**Simple and complete subjects**

What is the simple subject in this sentence? The main character's name is Yeh-Shen.
*October 20, 2010*

**Simple Subjects**

Mrs. Marcus
*October 19, 2010*

**Chemistry**

The following reaction represents the decomposition of hydrogen peroxide: 2H2O2 -> O2 (g) + 2H2O (l) How many molecules of water are produced from the decomposition of 3.4g of hydrogen peroxide, H2O2? Please help, I got 0.02 molecules of water but need to verify my answer (...
*October 17, 2010*

**chemistry**

how to obtain calcium sulfate salt from the starting compound calcium carbonate? outline the steps taken.
*October 10, 2010*

**algebra**

Provide an example of at least five ordered pairs that do not model a function. The domain will be any five integers between 0 and 30. The range will be any five integers between -20 and 20. Why does your example not model a function?
*October 5, 2010*

**Phisic mechanic**

A) 1/2mv^2 - 1/2 mv^2= work The first is the final KE The second is the initial KE which = 0 since it was at rest
*October 4, 2010*

**biology**

The only thing my biology teacher told us about the NADP (in photosynthesis light dependent reaction) is that it's a bus driver. Why is it a bus driver? Is it cos it collects the H+ ion into the light independent reaction (NADPH) then "drops" it off and returns ...
*October 1, 2010*

**social studies**

what kind of landform covers the central part of North America
*September 26, 2010*

**Math**

I'm trying to graph each function for the given domain. Can you let me know if I'm on the right track or not? 3x-y=1;d:(-3,-1,0,4) I have -y=3x+1 x,y -3,12 -1,4 0,0 4,-16
*September 22, 2010*

**8th grade**

I'm trying to graph each function for the given domain. Can you let me know if I'm on the right track or not? 3x-y=1;d:(-3,-1,0,4) I have -y=3x+1 x,y -3,12 -1,4 0,0 4,-16
*September 22, 2010*

**pyschology**

What are the differences between Carl Rogers Humanistic theory and Alfred Adler Individualism. What are the similarites between the two
*September 22, 2010*

**basic chemistry**

how do I find the ratio of when to solutes completely react?
*September 21, 2010*

**statistics**

A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular job-skills training program. The cutoff "t" needed is -1.8333. The standard deviation of the distribution of ...
*September 9, 2010*

**statistics**

In a research study with an effect size of .20, the populations of individuals have an overlap of about:
*September 9, 2010*

**math **

A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection is 60, and the ...
*September 9, 2010*

**statistics**

A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection is 60, and the ...
*September 9, 2010*

**8th grade**

Thank you, I got x=4/6 so I needed to simplify.
*August 26, 2010*

**8th grade**

4+6x-9x=3x
*August 26, 2010*

**MAT/117- Appendix E**

Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper formatting. Hint: Pay attention ...
*August 19, 2010*

**Economics**

What is the relationship between GDP and the business cycle? How can you use information about the business cycle when making a decision about a large purchase?
*August 10, 2010*

**APA format**

I am writing a paper and need to cite example: . gives patients more help . strikes a balance . generally safe How do I cite this in APA format after I finish with my bulleted list? Thanks
*August 1, 2010*

**Psychology**

BEHAVIORISM
*July 24, 2010*

**PSYCHOLOGY**

The issue that discusses whether development is more a function of biology or more a function of the environment is the ______________ controversy. A. nature-nurture After combing through the research on twin studies, one could conclude that D. it is best to look at ...
*July 17, 2010*

**principles of economic**

Deciding to buy a house is a lifelong goal for many people. Imagine that you are renting a studio apartment and have just discovered you are having a baby. Your present apartment is small and far from schools and local services. You have decided to move. There are many factors...
*July 16, 2010*

**pharmacy math**

680
*July 12, 2010*

**accounting help plz**

The expense account that should be debited is the miscellaneous expense...
*June 6, 2010*

**Health**

Situation #1: The trade minister of a foreign nation asks you to pay a $200,000 consulting fee. In return for the money, the minister promises special assistance in obtaining a $100 million contract that would produce at least a $5 million profit for your company. If your ...
*June 4, 2010*

**Math**

Determine how much time is required for an investment to quadruple if interest is earned at a rate of 7.1% compounded continously. (no other info is given, and that's why I'm confused...)
*May 31, 2010*

**Accounting**

1. What would you think of a company's ethics if ti changed accounting methods every year? 2. What accounting principle would changing methods every year violate? 3. Who can be harmed when a company changes its accounting methods too often? How?
*May 26, 2010*

**math/geometry**

A pentagon with the a perimeter of 45 feet , what is the area
*May 17, 2010*

**10th grade**

yes i want to know the area
*May 17, 2010*

**10th grade**

A pentagon with the a perimeter of 45 feet?
*May 17, 2010*

**Science**

What are 3 examples of forces in nature which cause Physical or Mechanical Weathering
*May 11, 2010*

**trig**

Can someone please help me solve this equation? Solve the equation in the interval [0°, 360°). csc θ = 1 + cot θ
*May 3, 2010*

**7th grade**

The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.
*May 3, 2010*

**Science/ Math**

The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.
*May 3, 2010*

**Science**

The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.
*May 3, 2010*

**12th grade**

What distance would Mario travel if he drove for 4(3/4) hours at 70 miles per hour?
*April 27, 2010*

**Science organic chem**

why should you stop the reflux when the nitrogen dioxide (red gas) is no longer evolving? What is the concept of equilibrium?
*April 27, 2010*

**geometry**

the measures of the interior angles of a pentagon are 2x, 6x, 4x-6, 2x-16 and 6x+2. What is the measure of the largest angle
*April 26, 2010*

**Math **

What ratio represents the probability of drawing a red card from a standard deck of 52 cards?
*April 24, 2010*

**Math **

What ratio represents the probability of drawing a red card from a standard deck of 52 cards?
*April 24, 2010*

**ALLENDALE HIGH**

WHAT IS A PRONOUN
*April 11, 2010*

**College Algebra**

state the range of each relation: A. y=absolute value of 2x-3 B. y=the square root of x+1
*April 6, 2010*

**College Algebra**

state the range of each relation: A. y=absolute value of 2x-3 B. y=the square root of x+1
*April 6, 2010*

**social studies**

Huns and Franks
*March 24, 2010*

**standard deviation**

the mean is 3.5. dtandard deviation is .5. sally's score is 1.5 on test. how many standard deviations is she from the mean? billy scores 5. what is his standard score? what scale of measurement is being used? is it appropiate? why/why not?
*March 24, 2010*

**6th grade Math**

2 1/2 divided X = 5 2 1/2 times X = 5
*March 22, 2010*

**Math**

2.5 divided X = 5 2.5 times X = 5
*March 22, 2010*

**algebra 2**

A cannonball is launched from a cannon on a wall. If the path is traced on piece of paper so that the cannon is situated on the y axis, the equation of the path is y= -1/600x^2 + 1/2x + 20. How high above the ground is the cannon.
*March 22, 2010*

**algebra**

Could you help me with this? find the real zeros of f(x) = x^3-8^2+9x+18(x-8^2+9x+18 I know it must be real simple. I have a block somewhere. Thanks I think I understand the Descartes rule of sign change. This equation has 2 sign changes. The total amount of real positive ...
*March 19, 2010*

**chemistry**

The answer here is nothing happens because you are adding Fe 2+ but in the equations yo are using Fe 3+
*March 12, 2010*

**uah**

Assume you are performing the calibration step of Experiment 8 and you begin with 70 g of water at 20 oC and 70 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment, you determine the ...
*March 8, 2010*

**ethics**

Ms. Sue, I agree that this is a ridiculous assignment. However if I choose not to do the assignment I would still pass but with a C- as this is 25% of my grade. Therefore, I must do it, to obtain the grade I wish to have. I have searched sites on how to format this assignment ...
*March 1, 2010*

**synonym**

Looks right to me!
*February 25, 2010*

**6th grade math**

Thank you. That helps. I could get the answer but I didn't know how to show the work.
*February 25, 2010*

**6th grade math**

Mya works on Saturdays and then attends a study group. She needs to be home before her younger brother. She walks from work to the study group in 5 minutes. She studies for 40 minutes. She takes 5 minutes to walk to the bus stop. The bus ride is 30 minutes long. It takes her ...
*February 25, 2010*

**math**

An area of 14 units is found by multiplying lxw which is probably 2x7; a rectangle has 2 long sides - 7 and 2 short sides - 2 The perimeter is the total of the sum of the sides. 2 + 2 + 7 + 7 = 18
*February 25, 2010*

**Math**

11x$3.29/277 or 0.1306498194945848
*February 25, 2010*

**math**

monica keeps a supply of dimes and quarters in her car for highway tolls.A week's supply of toll coins contains 10 more dimes than quarters and totals $11.50. How many quarters does monica spend on highway tolls in one week? F. 26 G. 30 H. 36 I. 40
*February 25, 2010*

**6th grade**

I would say cone.
*February 24, 2010*

**Finance**

I need help doing a pro forma balance sheet.
*February 21, 2010*

**crt 205**

can you help me to identify any rhetorical devises and its function in this sentence "I trust you have seen Janet's file and noticed the "university" she graduated from
*February 17, 2010*

**calculus**

find the lim cos 2x/(5 + x) as x approaches pos. inifinity
*February 14, 2010*

**kindergarten**

A counter is a measured strip of paper usually provided by the teacher that is pre-measured by her...but I think is 1 inch increments.
*February 8, 2010*

**early childhood**

have them mimic you
*January 30, 2010*

**math**

Suppose you are playing a word game with seven distinct letters. How many seven-letter words can there be?
*January 27, 2010*

**accounting**

Assume that Jose is indifferent between investing in a corporate bond that pays 10% interest and a stock with no growth potential that pays an 8% dividend yield. Assume that the tax rate on dividends is 15%. What is Jose's marginal tax rate?
*January 26, 2010*

**algebra**

X=10; the shorter cable length is 10 ft. Take the 3 and divide it by 3(which is the total length.)
*January 24, 2010*

**english**

i need ideas for making shakepeare's play 'the tempest' more relevant to children. how can i do this? any ideas on changing the concept for a child audience?
*January 22, 2010*

**English**

Create a promotional campaign for a shakespeare play - The Tempest Think of ways of advertising this play to today's audiences.
*January 17, 2010*

**science**

where does activation energy come from
*January 13, 2010*

**psychology**

The scientific method is very important to psychology. What other disciplines can you envision making practical use of the scientific method? Is is used at all at your workplace?
*January 4, 2010*

**12th grade american governmet**

Research Ronald Reagan especially with regards to their foreign policy and foreign involvement during their administration. Identify 3 aspects of their foreign policy or foreign events they involved the US with. for each of the events explain where on the spectrum you believe ...
*December 30, 2009*

**Algebra 1b**

is it 2x^2 -5x-4?
*December 17, 2009*

**Algebra 1b**

divide (12x^3-26x^2-34x-8)/(6x+2)
*December 17, 2009*

**Algebra 1b**

multipy and simplify (5g)^5 * (5g)^19
*December 17, 2009*

**11th grade**

What were the diverse purposes of England's American colonies and how were these purposes altered in early years of settlement?
*December 12, 2009*

**Math**

I need help,my example: The sales representative say there are two floor plans available 56 total houses. Use x for floor plan 1 and y for floor plan 2 then write an equation that illistrates the situation. So I thought x+y=56, then sales rep. says there is 3 times as many ...
*November 27, 2009*

**math**

describe what the graph of interval [-4,10] look like?
*November 25, 2009*

**human resource**

HELP
*November 19, 2009*

**human resource**

NEED 100 WORD
*November 19, 2009*

**human resource**

YES
*November 19, 2009*

**human resource**

As an IHRM, why would recruitment, selection and staffing be problematic? What steps would you take to ease these challenges?
*November 19, 2009*

**math**

How do you determine if two lines are perpendicular?
*November 13, 2009*