Thursday

January 19, 2017
Total # Posts: 903

**Chemistry**

A protein found in some types of wood-rotting fungi is 0.40% copper by mass. Each protein molecule is known to contain 4 copper atoms. What is the approximate molecular weight of thos compound?

*December 9, 2010*

**statistics**

Which statistical test woul you use to assess whether or not there is a relationship between the variables SEX and HOURLY WAGES?

*December 8, 2010*

**environmental chemistry**

PHcatalyzed reaction, NH3 + HOCl --> NH2Cl + H20 , how do I plot log k_obs vs pH? NH4 + HOCl --> NH2Cl + H20 rate expression : d(NH2Cl) / dt = k_obs (C_T,N)(C_T,OCL) assume (C_T,N) and (C_T,OCL) concentrations are constant pKa for NH4+ = 9.3 pKa for HOCl = 7.5 any and ...

*December 3, 2010*

**geometry**

Hi Kaylon, This is cheating. Do your own FLVS homework. If you don't know how, ask your teacher.

*December 2, 2010*

**Physics**

A bat emits a chirping sound of frequency 67.0 Hz while moth hunting. The chirp lasts for 1.0 ms and then is silent. The beginning of the echo returns just after the outgoing chirp is finished - how close to the moth is the bat? Assume a cool night with air temperature of 10 ...

*November 30, 2010*

**calculus**

Suppose a scooter travels at a velocity of v(t)= 8t meters/hour. Then the TOTAL distance traveled by the scooter over the first 2 hours is?

*November 28, 2010*

**HEALTHCARE**

How does the specialization of providers and hospitals affect continuity of care?

*November 24, 2010*

**math**

nevermind.

*November 21, 2010*

**math**

A=P(1+nr); find r

*November 21, 2010*

**chemistry**

is it? M1V1=M2V2?

*November 17, 2010*

**chemistry**

What volume of 9.54M sodium chloride solution must be added to the correct amount of water to produce 750. mL of a .327 M sodium chloride solution?

*November 17, 2010*

**Trigonometry**

1. (cotè+1)(cscè-1/2)=0 2. sin²è-cos²è=1+cosè

*November 15, 2010*

**math**

use distributive property: (5x*6x)-(5x*7) 30x^2-35x

*November 15, 2010*

**science**

Choose the combining form which best completes the following group: PONT/O, CRANI/O, FORAMIN/O, _______. A. COCHLE/O B. ENCEPHAL/O C. SALPING/O D. BLEPHAR/O Please help

*November 12, 2010*

**math 050**

*simplify

*November 11, 2010*

**math 050**

3*10=30 x/30=10/25 Cross multiply: 25x=300 Divide both sides by 25: x=12 To check, plug in 12 for x 12/30=10/25 Simpligy: 2/5=2/5

*November 11, 2010*

**math 050**

2/3=x/42 Cross multiply: 84=3x Divide both sides by 3: x=28 Plug in 28 for x. 2/3=28/42 simplify 28/42 which is 2/3

*November 11, 2010*

**math**

0.006, 0.43, 0.6, 0.9

*November 11, 2010*

**ALgebra**

4z-[23-5(3z-2)] Use distributive property: 4z-[23-15z+10] Subtract what's in the brackets: 4z-23+15z+10 Add like terms: 19z-33

*November 11, 2010*

**Trigonometry**

I put that in but it said the answer was 36-25ã2/23 any idea how that works?

*November 8, 2010*

**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 through 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 ...

*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 appropriate? 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*