Friday

February 27, 2015

February 27, 2015

Total # Posts: 3,353

**science**

two waves are traveling through the a container ofnitrogen . the amplitude of the first wave is .3 cm and the amplitude of the second wave is .9 cm. what is true about the two waves? a. the energy of the first wave is less than the second wave. b. the energy of the first wave ...
*March 16, 2013*

**Statistics**

0.833 inches per gram
*March 15, 2013*

**early childhood**

which of the following is best suited to a formative assessment of progress 1. muscular strength snd endurance 2. body fat analysis 3. flexibility 4. qwareness of self and space
*March 13, 2013*

**Social Studies**

What would be abolished if the limits of the Constitution did not restrict officials?
*March 13, 2013*

**algebra**

correction ..... 1/R=1/R1+1/R2+1/R3
*March 13, 2013*

**algebra**

express R as rational expression 1/R=1/R2+1/R2+1/R3 R FOR R1=5 OHMS R FOR R2=4 OHMS R FOR R3=10 OHMS
*March 13, 2013*

**..**

if you already had the chiken pox you can be arournd a person with the disease without no fear of becoming sick. what feature of the immune system explains this? a. acquired immunity b. cell- mediated immunity c. humoral immunity d. primary immune system
*March 12, 2013*

**science**

which structure is common to both prokaryotic and eukaryotic cells ? a. mitochondria b. cell membrane c. endoplasmic reticulum d. pladtids
*March 12, 2013*

**math**

a satisfaction survey is administered to 568 people. seventy- one people were unsatisfied with the product. which statement is true? a. 1 out of every 8 clients was unsatisfied b. 6 out of 8 clients were satisfied c. 1/4 pf the clients were unsatisfied d. 2/3 of the clients ...
*March 12, 2013*

**math**

which number solves the equation for x 1/3:x=1:3 a. 1/9 b. 1 c. 3 d. 9
*March 12, 2013*

**math**

which would be the approximate metric equivalent to 7 inches? a) 0.63 mm b) 1.4 m c) 12 dm d) 18 cm
*March 12, 2013*

**math**

a new physician saw 841 clients during the first year of her practice and 1,072 the second. which represents the percentage increase in client volume? a. 22% b. 27% c. 78% d. 127%
*March 12, 2013*

**math**

six hundred and thirty miligrams is equal to how many grams? a) 0.063 g b) 0.63 g c)63 g d) 630,000 g
*March 12, 2013*

**math**

a pudding recipe for 50 people calls for 4 cups of sugar. each bag of sugar contains 6 cups. how many bags of sugar will be needed to make this recipe for 300 people? a. 4 bags b. 13 bags c. 24 bags d. 50 bags
*March 12, 2013*

**English**

I need help
*March 12, 2013*

**English**

p w s a f m l x copy the letter string above on a piece of paper. cross out the second and last letters. replace all vowels with the letter C. Insert an O before the second C. cross out the first and third letters. Double the second letter. which letter sequence remains on ...
*March 12, 2013*

**math**

collecting cans and bottles for recycling. the ratio is 8 cans to 9 bottles. If you collected 240 cans how many items did you collect in all. Explain to me how you get the answer, please!
*March 12, 2013*

**science**

the team____ won the game is my favorite a. which b. whom c.who d. that
*March 11, 2013*

**science**

which rna basr sequence wod produce the amino acid sequence : Valine Proline Alinine a.GCGCGUUG B. GUGCCUGCG C. GUUCCCACU D. GCUCUUGCU
*March 11, 2013*

**science**

which rna base sequence would produce the animo acid sequence: Valine ALanine
*March 11, 2013*

**....**

p w s a f m i x copy the letters above on a piece of paper. cross out the second and last letters. replace all vowels with letters. double the second letter which letter sequence remains on your page? a. ssfmoi b.cffmmc c.sffmoc d.fscfmc
*March 11, 2013*

**algebra**

i am to consider the line -x-3y=2 what is the parallel line slope and the perpendicular line slope
*March 10, 2013*

**Critical Points**

find values for a, b, and c so that the function f(x) = x^3 + ax^2 + bx+ c has a critical point at (1,5) and an inflection point at (2,3). I got a as -6, but I don't know what b and c are. For b and c I just have b + c= 10. I do not know how to proceed thanks
*March 9, 2013*

**Minimum on a Closed Interval**

What is the minimum value of the function g(x)= 1/x * sin (pi *x) on the interval [1,2]? I got -2/3. Is this right? thanks.
*March 9, 2013*

**Absolute Extrema**

Thank you both! I appreciate it. :)
*March 9, 2013*

**Absolute Extrema**

Find the minimum and maximum values of the function f(x)= 2/3 sin pix on the interval [1,2] (domain). I got (1.5, -2/3) as the minimum and no maximum on the interval. Is it correct? Thank you.
*March 9, 2013*

**English**

Oops I meant nor for number 8. Sorry! :/ It goes 'either, or' and 'neither, nor'.
*March 7, 2013*

**English**

4) I think instead of nor use neither. 8) I would personally phrase it as: Neither my brother or I can go swimming. I'm just basing these corrections off of how I would speak it (native speaker). Hope this helps. :)
*March 7, 2013*

**math**

L can represent Lori and M for Maria. L + M = 10 L= M + 4 M + 4 + M = 10 2M + 4= 10 2M= 6 M= 3 L= 7
*March 7, 2013*

**English**

3) Just make sure that the noun closest to the blank matches the verb form! So here it should be plural since the noun right before the blank is 'Kirk', one person. (remembers) 5) It would be 'is'. Beef and broccoli is the name of the dish. It is easy to get ...
*March 7, 2013*

**Derivative **

given that f, g, and h are differentiable functions f(g(h(x))) = x what is h'(x) in terms of f, g, f', g', and h'? I plugged in equations on my own like h(x)= x^4 g(x) = 4th root of x f(x)= x^2 i need more assistance on how to proceed thnx
*March 7, 2013*

**science**

yes form of carbon
*March 7, 2013*

**social studies**

amendments in bill of rights, freedom of speech, press, liberty, and pursuit of happiness, etc.
*March 7, 2013*

**math**

minimum area for square is either 9*9= 81 or 15*15=225. 81 is less so 81 sq. inches each tile has a side length of 9 inches and you'd have a box of nine rows and nine columns of tiles like this __ |__| so each end has nine tiles * 9 inches per tile, so that's 81 inches...
*March 7, 2013*

**Math**

let's use l and w for the variables l= 2w + 1 lw= 66 yds. ^2 (2w + 1) w= 66 2w^2 + w= 66 2w^2 + w -66 = 0 (2w -11 ) (w + 6 ) = 0 2w= 11 or w= -6 w= 5.5 is positive so this is our answer!!! and the length = 2w+1 so simply plug in! l= 2*(5.5)+ 1 l= 12
*March 7, 2013*

**math**

you need 2 formulas to do this volumeof cylinder: pi*r^2*h volume of sphere: 4/3 * Pi * r^3 you wanna find out the cylinder's height since you have the diameter already. plug in; if height is equal to diameter then radius is half the height, therefore solve in terms of ...
*March 7, 2013*

**math**

You want to cancel one variable Let's cancel the x's. 8 and 3 have a LCM, which is 24 3(8x + 9y= -19)= 24x + 27y= -57 8(-3x + 7y= -24)= -24x + 56y = -192 ------------------------------------- 0 + 83y= -249 83y= -249 y= -3 Plug into the first equation to figure out what...
*March 7, 2013*

**math help re post**

two parts to this problem 1) 2x-4> 0 2) 2x-4 <8 solve each separately 1) 2x > 4 x>2 2) 2x<12 x<6 if x is greater than 2 and less than 6 write it like this: 2<x<6
*March 7, 2013*

**Derive**

Thank you SO much sir. I feel a lot better knowing that I did this right
*March 7, 2013*

**Derive**

Find the derivative of sin(2x + 3y)= 3xy + 5y-2. I have this so far 1) cos(2x+3y) * d/dx (2x+3y)= 3xy' + 3y + 5y' 2) cos (2x+3y) * [2 + 3y']= 3xy' + 3y + 5y' 3) 3y' cos (2x+3y) + 2cos(2x+3y)= 3xy' + 3y + 5y' 4) 3xy' + 5y' - (3y(cos(3x+3y...
*March 7, 2013*

**chemistry**

it is similar to percent increase/decrease formulas. initial amount= 7.26 grams final amount= 8.61 grams percent increase= |8.61-7.26|/ 7.26
*March 6, 2013*

**math**

Calculate first how many pretzels are baked in an hour to make it easier. eight trays of twelve pretzels in them each= 8 * 12= 96 pretzels/hour 96 pretzels/ hour * 8 hours/ day= 768 pretzels/ day
*March 6, 2013*

**math**

range= absolute value of highest-lowest values highest= 2.6 degrees lowest= -2.8 degrees range= |2.6- (-2.8)| range= |2.6 + 2.8| range= |5.4| range= 5.4 degrees celsius
*March 6, 2013*

**Calculus Derivative**

I'm still not quite sure how that works out, if you can explain it please? Isn't the derivative of v dv/dt and the derivative of m (since it's a constant) 0?
*March 6, 2013*

**Calculus Derivative**

Can you please explain how you derived the first half of the second line before the '-mv * (...)'? Thank you.
*March 6, 2013*

**Calculus Derivative**

I'm trying to calculate the derivative of this: P= mv/ sqrt(1-v^2/c^2)where m and c are constants, and v depends on t. I know about the chain and product rules but I'm not even sure where to start. :/ Thank you for your help.
*March 6, 2013*

**Geography**

Houston!
*March 6, 2013*

**....**

what is the southernmost city listed on the map a. Richmond b.San Jose c.Detroit d.Houston
*March 6, 2013*

**Calculus Optimization Problem**

Thank you! I solved it out, and I got x=5 and y= 10 with a product of 500. Is this correct
*March 6, 2013*

**Calculus Optimization Problem**

Find two positive numbers whose sum is 15 such that the product of the first and the square of the second is maximal. I came up with this so far: x + y = 15 xy^2 is the maximum derivative of xy^2= 2xyy' + y^2 Now how do I solve this ^ after I set it to zero? I am stuck on ...
*March 6, 2013*

**science**

independent variable affects the dependent and changes the outcome of the experiment. therefore the I.V. is what you CHANGE. D is the answer (paper plastic and glass have different insulation levels so this is what the experiment is testing)
*March 6, 2013*

**science**

mara is preparing an experiment using three cups - one made of paper, one of plastic, and one of glass- as shown below. she plans pouring 50 ml of hot water from a pitcher into each of three cups and recording the temperatures in 5- minute intervals. what is the independent ...
*March 6, 2013*

**math**

which is correct restatement of 32% a. thirty two b. thirty two tenths c. thirty two hundredths d. thirty two thousandths
*March 6, 2013*

**English**

yes at end says.. which letter sequence remains on your page?
*March 5, 2013*

**English**

pwsafmix copy the letter string above on a piece of paper. cross out the second and last letters. Replace all vowels with letter C. insert an O before the second C. cross out the first and third letters. double the second letter. help!
*March 5, 2013*

**English**

______ and______ have been to class a. He, me b. He,I c.him, m d.him, I
*March 5, 2013*

**English**

The students felt fairly prepared for whatever tests their instructors might give them, after years of intense studying, however difficult the test might be. which group of words is misplacef in the sentence above? a.however difficult they might be b. the students celt fairly ...
*March 5, 2013*

**English**

marco was careful to wash his hands because he did not want to contract a disease what is the meaning of the word contract as it is used in the sentence above? a. a binding agreement between two parties b. reduce in size c. acquired involuntarily d. make a promise
*March 5, 2013*

**math**

an athlete. an run in 6 miles in 51 minutes. at this rate approximately how far could the runner go in 1.5 hours? A. 0.2 miles B. 8.5 miles C. 10.6 miles D. 12.75 miles
*March 4, 2013*

**math**

an athlete can run 6 miles in 51 minutes. at this rate, approximately how far could the runner go in 1.5 hours
*March 4, 2013*

**math**

an athlete can run 6 miles in 51 minutes. at this rate, approximately how far could the runner go in 1.5 hours
*March 4, 2013*

**math**

an athlete can run 6 miles in 51 minutes. at this rate, approximately how far could the runner go in 1.5 hours
*March 4, 2013*

**Math**

A number line starts with 7 and ends with 9.There are 7 marks in between. The letter A is above the 5th mark. What is the value of A as a fraction
*March 4, 2013*

**chemistry**

For a certain change, value of Delta U is -2.37 kJ. During the change, the system absorbs 650 joules. How much work did the system do? Please help! I get 3.02 but is not correct!!
*March 1, 2013*

**math**

what is the probability of drawing 5 queens from a standard deck of cards?
*February 26, 2013*

**Finance**

Your board of directors is thinking of taking out a loan of $500,000 for the corporporation. You have to pay $5,500 per month and $50,000 after 10 years. What annual Rate of Return would you hve to achieve on investments to make this a profitable venture?
*February 26, 2013*

**FINANCE**

What will $10,000,000 be in 12 years if it earns 7% and you add $5,000 at the beginning of every month?
*February 26, 2013*

**Math**

48000 people voted in the last election in the town of Southboro. If only 55% of the registered voters voted in the last election, how many people are registered to vote? I got 87,273 Nik put $264 in a savings account that pays 3% annual interest. How much will he have in his ...
*February 25, 2013*

**Math**

48000 people voted in the last election in the town of Southboro. If only 55% of the registered voters voted in the last election, how many people are registered to vote? I got 87,273 Nik put $264 in a savings account that pays 3% annual interest. How much will he have in his ...
*February 25, 2013*

**Math**

Is 3000 correct for the last one ? 136.40*22 48000 people voted in the last election in the town of Southboro. If only 55% of the registered voters voted in the last election, how many people are registered to vote? I got 87,273 Nik put $264 in a savings account that pays 3% ...
*February 25, 2013*

**Math**

I have the answers but i need to know the steps. Michelle has $60. If her friend Kristin has $300, what percent of kristins money does michelle have? I got 80% To Pass a test Kristin had to get 75% of the answers correct. If there were 84 questions on the test, how many ...
*February 25, 2013*

**physics**

A sled rider with a combined mass of 50.0kg are at the top of a hill of a 14m above the level of ground below. The sled is given a push providing an initial kinetic energy of 1700J. What is the potential energy at the top of the hill? After the push, what is the total enetgy ...
*February 25, 2013*

**algebra**

I need the answer
*February 22, 2013*

**algebra**

Five (5) years ago, you bought a house for $171,000, with a down payment of $30,000, which meant you took out a loan for $141,000. Your interest rate was 5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the following information: ...
*February 22, 2013*

**math**

Five (5) years ago, you bought a house for $171,000, with a down payment of $30,000, which meant you took out a loan for $141,000. Your interest rate was 5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the following information: ...
*February 22, 2013*

**Epidemiology**

Age (Years) Influenza / Pneumonia Deaths (Di) 2007-2011 Population (Pi) from 2007-2011 (2009 used as mid-year) <1 year 7 53,267 1-4 years 4 207,832 5-14 years 5 468,548 15-24 years 14 447,580 25-34 years 27 440,646 35-44 years 40 325,022 45-54 years 92 305,929 55-64 years ...
*February 20, 2013*

**Chemistry**

I need help with this lab. Write the equation for the decomposition of the hydrate, CuSO4*XH2O. Mass of crucible and hydrate: 93.000g Mass of crucible and pure salt: 91.196g I need to calculate the following: 1. mass of water in hydrate sample(g) 2. number of moles of water in...
*February 18, 2013*

**Cognitive psychology**

What was the varible for Mozart experiment?
*February 18, 2013*

**computer**

What combinations of memory modules will satisfy your memory upgrade to 8GB? Which of these combinations is the least expensive.
*February 17, 2013*

**social gerontology**

what is the meaning associated with dementia
*February 15, 2013*

**English**

Thank You
*February 14, 2013*

**English**

Anyone know any quotes with adverbs in them?
*February 14, 2013*

**math**

what is 5% of $11,000.00 quarterly
*February 14, 2013*

**History**

Anyone Know? Background Information: before Brown v. Board of Education Discussion on Brown v. Board case beginnings. Thesis on Brown v. Board of Education Main Argument on Brown v. Board of Education Short term and Long term Impact on Brown v. Board of Education
*February 13, 2013*

**Easy algebra**

Mike is testing new batteries to determine if the batteries last as long as advertised. The actual life of one of the batteries was only 4 weeks, 2 days, and 13 hours even though the advertisement claimed it would last 3,000 hours. What was the difference, in HOURS, between ...
*February 3, 2013*

**A quick algebra question**

Larry is having dinner at a restaurant that offers 6 different main courses, 7 different side dishes, 4 different drinks, and 4 different desserts. For dinner, Larry will choose a main course, a side dish, a drink, and a dessert. From how many different combinations can Larry ...
*February 3, 2013*

**Statistics **

Accidents on a bike path. Examining the location of accidents on a level, 5-mile bike path shows that they occur uniformly along the length of the path. Figure 3.4 displays the density curve that describes the distribution of accidents. (a) Explain why this curve satisﬁ...
*February 2, 2013*

**algebra**

For given the following piecewise function find the domain and range F(x) ={ 2x + 4 for x< -3} {-1 for -3-¡Ü x ¡Ü4} {- x 1 for x > 4}
*January 31, 2013*

**Ohio Christian University**

Find the area of the rectangular piece of glass in the Norman window pictured
*January 30, 2013*

**Grammer**

Thank You it's a lovely poem but I did not know which line was a metaphor and which line was a simile, I'm not too good at this stuff. But Thank You
*January 29, 2013*

**Grammer**

What would be 2 similes and 2 metaphors for butterfly?
*January 29, 2013*

**math**

How long will it take a car 3m long moving at 100km/h to overtake a truck 10m long moving at 50km/h if the car is 10m behind the truck?
*January 29, 2013*

**math permutations**

how many distinguishable permutations are there of the letters in the word effective
*January 28, 2013*

**physics**

Find the coefficient of static and kinetic friction of a block on a table surface. The mass of the weight is 200g and with the friction block overall the mass is 0.3 kg. With a spring scale we found Fs to be 1N and Fk to be 0.8N. Draw free body diagram.
*January 28, 2013*

**chemistry**

h2s
*January 28, 2013*

**intermediate math **

the length of a rectangular plot of land is 4 times the width. of the perimeter is 600 feet, find the dimensions of the plot
*January 28, 2013*

**Economics**

a firm in a purely competitive industry is currently producing a 1000 unir per day at a total cost of $450. if the firm produced 800 units per day, it total cost will be $300, and it it produced 500 units per day, it total cost will be $275. Requirements: (1) what are the firm...
*January 27, 2013*

**business law**

Fred and Wilma are neighbors. Every morning Fred walks his dog spike by Wilma's house, and almost every morning Spike poops in Wilma's yard. A city ordinance requires that dog oners must keep their dogs on a leash, but Fred never uses a leash while walking Spike. The ...
*January 26, 2013*

**Math**

Adam drew two same size rectangles and divided them into the same number of eqal parts. He shaded 1/3 of one rectangle and 1/4 of the other rectangle. What is the least number of parts into which both rectangles could be divided?
*January 24, 2013*

**Introduction to management**

Young, innovative, or high-tech firms often adopt the strategy of ignoring history or attempting to do something radically new. In what ways might this strategy hinder them?
*January 24, 2013*

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | **7** | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>