Thursday

December 18, 2014

December 18, 2014

Total # Posts: 122

**Algebra**

Find the real zeros of f. (Enter your answers as a comma-separated list.) f(x) = −x2 + 7x + 8x X =_____ Find the x-intercepts of the graph of f. (x, y) =_______(smaller x-value) (x, y) =_______(larger x-value)
*December 1, 2014*

**Algebra**

A medical researcher wanted to determine the effect of pH (a measure of alkalinity or acidity, with pure water having a pH of 7) on the growth of a bacteria culture. The table below gives the measurements of different cultures, in thousands of bacteria, after 8 hours. pH ...
*December 1, 2014*

**Algebra**

A = 43mph but I'm not sure how to solve B
*December 1, 2014*

**Algebra**

This is how the problem reads.
*December 1, 2014*

**Algebra**

Find the real zeros of f and the x-intercepts of the graph of f. (Enter your answers as a comma-separated list. Separate multiple ordered pairs with commas.) f(x) = −x2 + 6x + 16
*November 4, 2014*

**Managerial Economics**

A company has developed the production function of Q=80L.5 K0.6 where L represents labor and K represents Capital. a. If L is increased by 2% with K unchanged, what is the resulting percentage change in output? b. Describe the nature of returns to scale for this production ...
*August 1, 2014*

**constructions**

explain how to construct the legs of the ironing board to ensure that the surface is always parallel to the floor
*April 23, 2014*

**algebra**

seventeen greater than a number is 151 find the number the number is
*February 9, 2014*

**Math**

The market sold 24 heads of lettuce one morning. That afternoon 2/7 of the remaining heads of lettuce were sold. The number of heads left now was 1/2 of ye numbet the market haf at the beginning of yhe day. How many heads of lettuce were there at the beginning of the day.
*January 16, 2014*

**College geometry**

Find the coordinates of the x-intercept. -x + 5y = -15 (Points : 1)
*December 17, 2013*

**math**

numbers from least to greatest 11/20, 1/2, 0.51 numbers least to greatest 1/3, 1 1/4, 0.27,1.35
*November 15, 2013*

**Physics**

A nurse pushes a cart by exerting a force on the handle at a downward angle 35 degrees below the horizontal. The loaded cart has a mass of 28.0 kg, and the force of friction is 60.0N. What force must the nurse exert to move at a constant velocity?
*October 31, 2013*

**Math 3rd grade**

Suppose you are comparing two numbers that are greater than 100. You want to find the smaller of the numbers. How many pairs of digits might you have to compare before you have your answer? Explain
*October 4, 2013*

**algebra**

to make a cake, I need 7/8ths of a cup of granola. how much granola do I need to make 1/5th of that cake?
*August 26, 2013*

**Probablity**

Last semester, a certain professor gave 43 As out of 242 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)
*August 26, 2013*

**Statistics**

There is a $2 raffle with a first prize of $10000, a second prize of $500, and a 3rd prize of $100. If 1000 tickets are sold find the expected value. How much should the raffle ticket cost to make this a fair game?
*July 28, 2013*

**statistics**

suppse you received a shipment of nine televisions. four of the television are defective. If two televisions are random;y selected compute the probability at least on of the two televisions does not work
*June 2, 2013*

**physics **

a concave mirror has a focal length of 20 cm. A person places her face 15 cm away from the mirror. a)how far is the image from the mirror? b)what would have happened to the person's image if she had placed her face 25 cm away from the mirror?
*May 30, 2013*

**math**

If (8, 7) are the coordinates of a point on a line that has slope –3, what is the y-coordinate of the point on the line at which x=1
*May 11, 2013*

**Algebra II**

I do not understand what this is asking me to do. I've several different ways and I do not feel comfortable with my answer. n^3 -5n^2 -2n +24 =0 Any guidance would be so helpful
*April 5, 2013*

**math**

A basketball team needs 5 players. The team can choose from a group of 7 players. Explain how to find the number of combinations of players that can e on the team.
*March 26, 2013*

**math**

Jane painted a 12ft. x 12ft. mural in 45 minutes. How long will it take to paint a 15ft. x 16ft. mural?
*March 12, 2013*

**ore algebra**

X(yz),for x = 8, y = -9, z = 5
*March 3, 2013*

**Physics**

A car sounding its horn (rated by the manufacturer at 600 Hz) is moving at 20 m/s toward the eat. A stationary observer is standing due east of the oncoming car. a) What frequency will he hear assuming that the speed of sound is 343 m/s? b) What if the observer is standing due...
*February 3, 2013*

**physics**

When an air capacitor with a capacitance of 400 (1 = ) is connected to a power supply, the energy stored in the capacitor is 2.05×10−5 . While the capacitor is kept connected to the power supply, a slab of dielectric is inserted that completely fills the space ...
*January 15, 2013*

**physics**

When an air capacitor with a capacitance of 400 (1 = ) is connected to a power supply, the energy stored in the capacitor is 2.05×10−5 . While the capacitor is kept connected to the power supply, a slab of dielectric is inserted that completely fills the space ...
*January 15, 2013*

**algebra**

I need help with the math question what is m+3-6
*January 9, 2013*

**Grammer**

Are the punctuatons correst in the folowing sentence? All of his workers, needed food to eat, and water to drink. Thank You
*December 10, 2012*

**math**

the perimeter of a backyard is 430 feet. If the width is 19 feet less than the length, find the length of the yard.
*November 25, 2012*

**writing**

I have to make a comic strip using the words these, through, suppose, stood, piece, leave, mouth, broke, count and feather I have no clue how to do this can anyone help me? Thanks
*October 21, 2012*

**ICD9**

All ICD9-Cm Codes must be supported by: A. Nonessential modifiers. B. physician documentation in the medical record. C. V codes. D. another diagnostic code.
*September 28, 2012*

**Science**

Can someone explain in simple english what the equator is?
*September 10, 2012*

**math**

Hi guys I just need to simplify this equation and I keep eliminating all x's so I don't know if that is possible. Let me know if i'm right or were I went wrong...my work is below (2/x+2)-(x/x-2)+1 2(x-2)-(x)(x+2)+1(x+2)(x-2) 2x-4-x^2-2x+x^2-2x+2x+4 -4
*September 10, 2012*

**reading**

What is generalization and inference.
*May 29, 2012*

**math**

Expand as a binomial series and simplify (2x + y^3)^5
*May 21, 2012*

**math**

find the terms and leave the coefficients as factorials: Term with t^5 in (v-t)^17
*May 21, 2012*

**college math**

Evaluate the expression for the given values. 6v less 12w for v = 10 and w = 2
*May 3, 2012*

**math**

Suppose $5000 is deposited in a bank account that compounds interest four times per year. The bank account contains $9900 after 13 years. What is the annual interest rate for this bank account? i already set it up but i don't know where to go from there. Please help
*April 10, 2012*

**math**

A colony of bacteria is growing exponentially, increasing in size from 200 to 500 cells in 100 minutes will it take the colony to double in size?
*April 9, 2012*

**calculus**

A colony of bacteria is growing exponentially, increasing in size from 200 to 500 cells in 100 minutes will it take the colony to double in size?
*April 9, 2012*

**math 150**

How do I calculate the expected value of a ten spot keno game?
*February 21, 2012*

**Math **

4t+14=6t/5+7 Please help me work out this problem and show your work
*February 16, 2012*

**Math question**

7 x 41-5y+8y=44 287+3y=44 3y=-287+44 3y=-243 y=-243 divided by 3 y=81
*January 20, 2012*

**Math 5th**

4/7 of a group of children are boys. If there are 18 more boys than girls, how many children are there altogether?
*January 20, 2012*

**calculus**

Find the equation, in slope intercept form , of the line tangent to the graph of the square root of (x^3+7x+1), when x=3
*December 8, 2011*

**physics**

A family drives 400 milles in 8 hours. Explain how the acceleration of their car changed?
*December 6, 2011*

**physics**

A family drives 400 milles in 8 hours. Explain how the acceleration of their car changed?
*December 5, 2011*

**English**

When writing a story where the characters are talking, is it a new paragraph each time a different character speaks? Specifically the following: Paragraph describes the kids in the story and talks about them trick or treating and that they are now heading home. Should the next...
*November 8, 2011*

**HUM/186**

In the Week Four Toolwire® Learnscape, you craft an introductory paragraph for a speech Sen. Johnson is giving on the effect of the Internet on politics. After scanning the websites you are given, how comfortable are you with the credibility of the information you found on...
*October 10, 2011*

**math**

A person gave bags of jellybeans to 11 students. The mimimum was 8 maximum was 21, mode was 14 and median was 15. What was the number of jellybeans each student could have reported to get the landmarks given
*October 10, 2011*

**Math**

How do I explain "make a 10" to my 2nd grade son for his math homework?
*September 28, 2011*

**health**

Please give two approaches of measuring patient outcomes?
*June 19, 2011*

**Childhood ed**

Pasteurization of food. A. means keeping food refrigerated. B. destroys all bacteria,viruses and mold. C. destroys most disease-producing bacteria. D. keeps it looking and tasting good.
*May 31, 2011*

**COM220**

Create a full-sentence that includes effective arguments and counter arguments to support my thesis people do not understand the importance of staying in school
*February 17, 2011*

**Chemistry**

How do I find the volume in L, of aluminum if the mass is 25.25g and the density of aluminum is 2.70g/Ml?
*February 6, 2011*

**HEALTHCAREFINANCE**

A HOSPITALREPORTED NETINCOMEFOR 2007 OF 2.4 MILLION ON TOTALREVENUES OF 30.MILLION.HAD A DEPRECIATION EXPESENETOTAL OF 1 MILLION SO WHAT IS THE TOTAL EXPENSE FOR2007?
*January 23, 2011*

**chemistry**

Carbon disulfide,CS2, is a volatile, flammable liquid. It has a vapor pressure of 426.6 mmHg at 29.8C and 760.0 mmHg at 46.5C. What is the heat of vaporization of this substance?
*January 17, 2011*

**chemistry**

lnP1/P2=3.74X104/8.314(1/312.15-1/338.15) Not sure what to do from here?
*January 17, 2011*

**chemistry**

Methanol, CH3OH, a colorless, volatile liquid, was formerly known as wood alcohol. It boils at 65.0C and has a heat of vaporization of 37.4kj/mol. What is its vapor pressure at 39.0C?
*January 17, 2011*

**fourth grade math**

4/18, 8/18, 9/18
*December 14, 2010*

**methodologies**

hmo director wants to know ifmanaged care plan meets industry standared. what is on way to do this?
*December 7, 2010*

**Physics **

A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. The thrust of its engines is 2.1 105 N. In being launched from rest it moves through a distance of 87 m and has a kinetic energy of 3.8 107 J at lift-off. What is ...
*November 13, 2010*

**Grammar**

Which is the correct answer? ------- your parents come from El Salvador? a.Are b.Do c.Does
*November 4, 2010*

**eng 155**

I think I'm missing something here. The directions say all I need to do is, find the adverb error and I may also need to correct the verb the adverb modifies. Did I not do that? If not, how do I do this?
*October 29, 2010*

**eng 155**

I didn't know there were 20 I only changed 7 what are the others?rapidly,slowly,firmly,badly,loudly, shamelessly,wildly
*October 29, 2010*

**eng 155**

Have a done the adverbs correctly? If you have not sung Karaoke yet, chances are you will have the chance real soon. Karaoke is a form of entertainment that is growing very rapidly in popularity. It started more than twenty years ago in a snack bar in Japan. Here is how it ...
*October 29, 2010*

**English Communcation !**

A synonym for preparedness is what?
*September 2, 2010*

**How Children Learn**

according to Jean Piaget in what is all learning based?
*August 27, 2010*

**Child Developement andHuman Behavior**

Which of the following is a chacteristic of middle childhood?
*August 27, 2010*

**Poetry Part 2**

What is a Villanelle?
*August 16, 2010*

**english**

We wre exceedingly pleased that Rex come home.. Is exceedingly an adjective?
*July 19, 2010*

**chemistry**

1. Mass of flask, boiling chips, foil cap and unknown after cooling reaction 83.350g 2. Mass of flask, boiling chips and foil cap. 82.657 3. water bath temperature C 95.0 C 4. Barometric pressure in Hg 30.09 5. Accepted molar mass of unknown 86.2g/moles 6. Volume of flask 270 ...
*June 14, 2010*

**science**

What are the three categories of fungi?
*June 10, 2010*

**BEH 225**

data on the pathological liars and their spouses.
*March 24, 2010*

**college physics**

1.84 m
*February 25, 2010*

**math/stats**

Thanks! I am doing my best to understand it!
*February 6, 2010*

**math/stats**

If you square a correlation coefficient and subtract this number from 1.00, what is the result? Is it the coefficient of determination?
*February 6, 2010*

**math**

Students were given an exam with 300 multiple-choice questions. The distribution of the scores was normal and mean was 195 with a standard deviation of 30. What was the score of students who scored in the middle of the class? (50% did better, 50% did worse).
*January 31, 2010*

**math**

Thanks for the help! Awesome!
*January 31, 2010*

**math**

So is the answer 195?
*January 31, 2010*

**math**

The mean is 195. Is that the middle score of the class? I'm very confused. The text that I have is not showing how to solve this problem. AHHH
*January 31, 2010*

**math**

Students were given an exam with 300 multiple-choice questions. The distribution of the scores was normal and mean was 195 with a standard deviation of 30. What was the score of students who scored in the middle of the class? (50% did better, 50% did worse).
*January 31, 2010*

**math**

thank you
*January 31, 2010*

**math**

Students were given an exam with 300 multiple-choice questions. The distribution of the scores was normal and mean was 195 with a standard deviation of 30. You may find it helpful to draw out this distribution before answering the questions below What were the scores of the ...
*January 31, 2010*

**Statistics**

Students were given an exam with 300 multiple-choice questions. The distribution of the scores was normal and mean was 195 with a standard deviation of 30. What were the scores of the students who were within one standard deviation of the mean? What percent of students did ...
*January 31, 2010*

**math**

Write the ratio as a fraction in simplest form. 80:300
*January 11, 2010*

**health**

Compose a list in which you identify the major components of health communication. Who is involved in each component? How does each component promote health communication? If not utilized, how would it reduce health communication? Provide examples.
*October 10, 2009*

**chem**

An aqueous solution of nitric acid has a density of 1.084 g mL-1 and a measured concentration of 2.580 molar. What is the percent weight of nitric acid in the solution.
*February 12, 2009*

**chem**

A water solution which contains magnesium chloride as the only solute measured 232 parts per million chloride on an analytical instrument using a specific ion electrode as the sensor unit. When converted to moles per liter what value would you get for the chloride ion ...
*February 12, 2009*

**math**

can you tell me what 3rd to the fifth power is
*December 18, 2008*

**5th grade - Math**

can you tell me what 3rd to the fifth power is
*December 16, 2008*

**medical coding and billing**

I am doing the same exam and it is very time consuming.. But I am concerned about second response that HIPAA do not/does not affect. In deed the answer is that HIPAA affects the patients access to their records along with establishing written policies.. Most of your answer is ...
*November 15, 2008*

**Book Report Poster**

Where can I find "How to do a Book Report Poster".
*October 25, 2008*

**math**

find the mode of this set of numbers 41,43,56,67,69,72
*September 8, 2008*

**English**

On a test, my son was given this question: People waiting for passsenger arrivals paced back and forth, which showed their anxiety. Adjective or Adverb Clause? He choose adjective because of the 'which' and because he felt it was modifying 'people waiting for ...
*July 1, 2008*

**Reseach paper**

Seems there are a lot of folks taking this course....wow...good to know I have buddies that are having the same problems with it. Good luck to all of you.
*June 21, 2008*

**basic english**

What mark of punctuation is most closely associated with interjections
*May 7, 2008*

**Physics**

What color would a yellow cloth appear if illuminated with sunlight? With yellow light? With blue light?
*April 23, 2008*

**child development**

how can you acess knowldege on science using gardner's Intelligence?
*April 15, 2008*

**science**

unscrammble the word oucocbitinmulaa
*April 14, 2008*