Friday

April 24, 2015

April 24, 2015

Total # Posts: 80,547

**Art**

I DID. I put Persian landscape art and people drawings came up.
*March 16, 2015*

**Art**

What is the main subject of Persian landscape art, and what does it communicate about the Persian culture and worldview? A. Rivers; they represent life and are central to Persian mythology. B. People; Persians enjoy group gatherings and value relationships. C. Livestock; ...
*March 16, 2015*

**PHYSICS **

A simple open U-tube contains mercury. When 11.9 cm of water is poured into the right arm of the tube, how high above its initial level does the mercury rise in the left arm? Take the density of mercury to be 13.6 g/cm3 and the density of water to be 1.00 g/cm3.
*March 16, 2015*

**Art**

How does a landscape artist make an object in the foreground appear closer than an object in background? A. By making the object in the foreground larger in comparison to the background objects. B. By making the object in the foreground less detailed in comparison to ...
*March 16, 2015*

**ss**

1.which of the following best describes the conservative democrats in south carolina during reconstruction? a. they favored small land owners and workers b. they were wealthy and formerly confederate leaders c. the believed in social equality between races d. they wanted a ...
*March 16, 2015*

**physics**

Two ice skaters hold hands and rotate, making one revolution in 2.4 s. Their masses are 60 kg and 70 kg, and they are separated by 1.5 m. Find the angular momentum of the system about their center of mass.
*March 16, 2015*

** Math**

The following circle graph was published in the Cane Country annual report. If there are 1,000 registered voters in Cane Country, how many 35-45 years old? On the graph 35-45 years old is graph at 30%. A. 150 voters B. 250 voters C. 300 voters D. 350 voters Is the answer C? ...
*March 16, 2015*

**Math Problem**

Mrs. Bond made a deposit of $100 into her checking account. Then she wrote checks for $97.54 and $48.27. If her previous balance was $320.39, what is her new balance? - I also need help with Mika bought two copies of the same book and a tape priced at $11.95. She gave the ...
*March 16, 2015*

**Math**

Sorry this is the right way.. not the way I said it above. I got it!! 9:59 - 22 (since it ran 22 min longer) you get 9:37 now subtract 3 hours. you get 6:37 since it started 7 min late add 7 to 6:37, which equals 6:44 Then subtract 7 by 22 22- 7= 15. I did this because it ...
*March 16, 2015*

**Math**

Since it started 7 min. late you can add 7 minutes to 6:59 which is 7:06. then I'm not sure what to do with the 22 min.
*March 16, 2015*

**Math**

Well you can do something like this. 9:59 subtract 3 hours. which is 6:59 then you do the math with 22 min and 7 min. let me think about that hold on.
*March 16, 2015*

**Tech Ed**

THank you!
*March 16, 2015*

**Tech Ed**

Soren is organizing the files that he will use in the movie he is creating. his files include the following extensions: jpg, .gif, .wmv, and .mov. which subfolders should he place in the unit project folder. choose all that apply A. images B. audio C. documents D. video Is it ...
*March 16, 2015*

**Tech. Ed**

Okay thanks. I 100% think it is B
*March 16, 2015*

**Tech. Ed**

delia is developing a storyboard for her movie about her autoniography. In this lesson you learned about the phases of creating an informative movie. In was phase of movie creation is delia? A. research Phase B. Planning Phase C. Editing Phase D. creation Phase I think its B
*March 16, 2015*

**math**

thank u humanoid
*March 16, 2015*

**math**

write a word probelm that has more than one step in the solution
*March 16, 2015*

**PLZZZZ HELP**

You have to chose a book to read, and give a report on why or why not you would recoment the book to your friend. It has to be your own book, so like for example when I had this question I chose to write on the book Tangerine thats what I put as the title and Edward Bloor as ...
*March 16, 2015*

**Math**

because w stands for a number. You are trying to find what number w is I know it's 6 because I worked it out. what is 8 times 3? it's 24. So I know 24 divded by 3 is 8. But the problem is 8=4w divded by 3 .. Now I need to find out how to turn w into a number that ...
*March 16, 2015*

**Math**

8= 4w divided by 3 4 times 6 = 24 24 divided by 3 = 8 does this make more sense?
*March 16, 2015*

**Math**

w= 6
*March 16, 2015*

**Math**

4 times what number equals.. then divide.. 4 times 6 equals 24 24 divided by 3 is 8
*March 16, 2015*

**Art**

The painting should show up if you search File:Constant Troyon - Coast near Villers
*March 16, 2015*

**Art**

What does this painting by Constant Troyon Suggest about his culture's relationship with nature? If you search File:Constant Troyon - Coast near Villers the painting should A. humans lived in fear of nature B. humans lived in harmony with nature C. humans lived ...
*March 16, 2015*

**Math**

Solve -11>t + 7
*March 16, 2015*

**Math**

Thank you !!!
*March 16, 2015*

**Math**

Larry mows the same-sized lawns in his neighborhood each weekend during the summer. Part A Each time Larry mows a lawn he uses 1/6 of a gallon of gasoline. If he has 2/3 of a gallon of gasoline, how many lawns can he mow before he needs to buy more gasoline? Show your work. ...
*March 16, 2015*

**math**

thanks
*March 16, 2015*

**math**

The number of students receiving an a on the test was equal to 15% of the total number of students. What would the equation be? I have started it off : s=
*March 16, 2015*

**calculus**

find a projectile fired with an initial velocity of 128 feet per second at an angle of 26 degrees
*March 16, 2015*

**math**

the level of pool water goes from4.5 feet to 6 feet. what is the percent increase?
*March 16, 2015*

**PHI208**

Tom Regan’s view of animals is that (Points : 1)
*March 16, 2015*

**Physics**

How far do you travel when you acclerate at a rate of 2.3m/s2 while initially travelling at 12m/s and ending at a velocity of 19m/s?
*March 16, 2015*

**Chemisty **

how many moles of hydrogen will be liberated from 200.0ml of 3.00M HCL reacting with an excess of magnesium?
*March 16, 2015*

**English**

Chapter One: 1 - no 2 - no 3 - yes 4 - yes 5 - yes Chapter Three: 1 - no (is Walter mentally ill?) 2 - yes 3 - yes 4 - yes 5 - you have not made a choice 6 - yes 7 - you have not made a choice 9 - yes, but the other answers don't make sense as you have copied them. She'...
*March 16, 2015*

**algbera**

What is the corresponding temp in 77 degrees Fahrenheit to degrees celsio us
*March 15, 2015*

**chemistry**

Your question is?
*March 15, 2015*

**MATH**

Suppose that 3% of all adults suffer from diabetes and that 29% of all adults are obese. Suppose also that 2% of all adults both are obese and suffer from diabetes. (a)Find the probability that a randomly chosen adult is obese, given that he or she suffers from diabetes. Round...
*March 15, 2015*

**Calculus**

For how many values of x will the tangent lines to y=4sinx and y=x^2/2 be parallel? A. 0 B. 1 C. 3 D. 4 E. Infinite Thanks.
*March 15, 2015*

**Calculus check**

A function f(x) is continuous for all x and has a local minimum at (1,8). Which must be true? A. f'(1)=0 B. f' exists at x=1 C. The graph is concave up at x=1 D. f'(x) is less than 0 if x is less than 1, f'(x) is greater than 0 if x is greater than 1 E. f'...
*March 15, 2015*

**Please check my calculus**

A conical tank has a height that is always 3 times its radius. If water is leaving the tank at the rate of 50 cubic feet per minute, how fast if the water level falling in feet per minute when the water is 3 feet high? Volume of a cone is V=1/3(pi)r^2h A. 1.000 B. 5.305 C. 15...
*March 15, 2015*

**Calc**

Find the derivative of: 1. Xlog base e (log base e X) 2. log base x 7 3. (sinh x)^2 - (cosh x)^2
*March 15, 2015*

**Physic**

1. Evaluate dF/dr when r=10,000, given that F= GmM/(r^2) and that F decreases by 3N/m when r=20,000. 2. The lowest point of a 5 meter long ladder is pulled away from a wall at 0.3 meters/sec. Find the rate at which the angle between the ladder and the wall changes when the ...
*March 15, 2015*

**math**

A cell phone company charges by the minute (and partial minute) for a phone call. Arionna’s plan includes 300 minutes in the $20 base cost. If she uses more than 300 minutes, there is a $5 overage fee and an additional charge of $0.25 per minute. Which graph represents ...
*March 15, 2015*

**Math**

Which of the following is true about a trend line for data? A. The minimum data point always lies on the trend line. B. Every data point must lie on the trend line. C. The trend line describes the pattern in the data if one exits. D. The trend line includes the effect of all ...
*March 15, 2015*

**precal**

whats (2√3)^2 equal to?
*March 15, 2015*

**Please check my calculus**

If x^2+xy-y=2, find dy/dx My answer: (2x+y)/(1-x)
*March 15, 2015*

**Calculus**

For f(x)=x^2/3(x^2-4) on [-2,2] the "c" value that satisfies the Rolle's Theorem is A. 0 B. 2 C. +or-2 D. There is no value for c because f(0) does not exist E. There is no value for c because f(x) is not differentiable on (-2,2)
*March 15, 2015*

**Calculus**

Let f be a function such that the limit as h approaches 0 [(f(5+h)-f(5))/h]=4. Which of the following must be true? I. f(5)=4 II. f'(5)=4 III. f is continuous at x=5 A. I only B. II only C. III only D. I and II only E. II and III only
*March 15, 2015*

**Calculus**

If f'(x)=sinx and f(pi)=3, then f(x)= A. Cosx+4 B. Cosx+3 C. -cosx+2 D. -cosx-2 E. -cosx+4
*March 15, 2015*

**Please check my Calculus**

Even? when plug n numbers into formula
*March 15, 2015*

**Please check my Calculus**

f(x)=x^n , where n is a positive integer greater or equal to 2. The graph of f(x) will have an inflection point when n is A. Even B. Odd C. Divisible by 3 D. For all values E. For no values I got B.
*March 15, 2015*

**English help**

In Star Wars: a new hope when did a father-son(uncle) experience separation?
*March 15, 2015*

**World history**

Revolutions of 1848
*March 15, 2015*

**World history**

"It was a town of red brick, or of brick that would have been red if the smoke and ashes had allowed it; but as matters stood, it was a town of unnatural red and black like the painted face of a savage. It was a town of machinery and tall chimneys, out of which ...
*March 15, 2015*

**Chem**

Silver nitrate and aluminum chloride react with each other by exchanging anions as shown below. 3 AgNO3 (aq)+ AlCl3 (aq) → Al(NO3)3 (aq) + 3 AgCl (s) How many moles of AgCl is produced when 1 mol of AgNO3 reacts with 1 mol of AlCl3?
*March 15, 2015*

**Calculus check**

E?
*March 15, 2015*

**Calculus**

If f(x) is a continuous function with f"(x)=-5x^2(2x-1)^2(3x+1)^3 , find the set of values for x for which f(x) has an inflection point. A. {0,-1/3,1/2} B. {-1/3,1/2} C. {-1/3} D. {1/2} E. No inflection points
*March 15, 2015*

**Calculus**

Nevermind. Sorry
*March 15, 2015*

**Calculus**

Not distribute. The integral. I'm confused on u-substitution.
*March 15, 2015*

**Calculus**

The integral of sqrt(x)(sqrt(x)+1) dx A. 2(x^3/2+x)+c B. x^2/2+x+c C. 1/2(sqrt(x)+1)^2+c D. x^2/2+2x^3/2/3+c E. x+2sqrt(x)+c
*March 15, 2015*

**Calculus**

If y=3x-7, x is greater than 0, what is the minimum product of x^2y? A. -5.646 B. 0 C. 1.556 D. 2.813 E. 4.841
*March 15, 2015*

**Calculus**

If the limit as x approaches infinity (6x^2/200-4x-kx^2)=1/2, then k= A. 3 B. -3 C. 12 D. -12 E. -3
*March 15, 2015*

**math**

A farmer has 100metres of fencing from which to build a rectangular chicken run. He intends to use two adjancent walls for two sides of the rectangular enclosure. Determine a formular for the enclosed area in terms of X?
*March 15, 2015*

**Calculus**

A conical tank has a height that is always 3 times its radius. If water is leaving the tank at the rate of 50 cubic feet per minute, how fast if the water level falling in feet per minute when the water is 3 feet high? Volume of a cone is V=1/3(pi)r^2h A. 1.000 B. 5.305 C. 15....
*March 15, 2015*

**Calculus**

For how many values of x will the tangent lines to y=4sinx and y=x^2/2 be parallel? A. 0 B. 1 C. 3 D. 4 E. Infinite
*March 14, 2015*

**English Grammer**

Please Help Check My Answers. 1. *****A. "The leaves," she explained, "can be anywhere from two to eight inches long." B. Nan said, "It can also have dark or light green leaves". C. "Also," she added. "the leaves' edges can be ...
*March 14, 2015*

**Calculus**

A function f(x) is continuous for all x and has a local minimum at (1,8). Which must be true? A. f'(1)=0 B. f' exists at x=1 C. The graph is concave up at x=1 D. f'(x) is less than 0 if x is less than 1, f'(x) is greater than 0 if x is greater than 1 E. f'(...
*March 14, 2015*

**PreCalculus**

I tried to do these questions, however I can't seem to get the answer. Can someone help me? I would really appreciate it. _____________________________________ Mathematical Induction Prove that the statement in true for every positive integer n. 1. 1/1*2*3 + 1/2*3*4 + 1/3*...
*March 14, 2015*

**Calculus**

The circumference of a circle is increasing at a rate of 2pi/5 inches per minute. When the radius is 5 inches, how fast is the area of the circle increasing in square inches per minute? A. 1/5 B. pi/5 C. 2 D. 2pi E. 25pi
*March 14, 2015*

**Calculus**

In the next questions, a particle is moving along a horizontal line according to the formula: s=2t^4-4t^3+2t^2-1 a) the particle is moving right when A. 0 is less than t is less than 1/2 B. t is greater than 0 C. t is greater than 1 D. 0 is less than t is less than 1/2, t is ...
*March 14, 2015*

**Calculus**

f(x)=x^n , where n is a positive integer greater or equal to 2. The graph of f(x) will have an inflection point when n is A. Even B. Odd C. Divisible by 3 D. For all values E. For no values
*March 14, 2015*

**Calculus**

If y=3/(sinx+cosx) , find dy/dx A. 3sinx-3cosx B. 3/(sinx+cosx)^2 C. -3/(sinx+cosx)^2 D. 3(cosx-sinx)/(sinx+cosx)^2 E. 3(sinx-cosx)/(1+2sinxcosx)
*March 14, 2015*

**Calculus**

The limit as x approaches 4 ((-3x+1)/(x-4)^2) is A. -11 B. -13 C. Infinity D. Negative infinity E. DNE
*March 14, 2015*

**science**

I just saw it! I submitted the questions and it was trachea. It is OK!! Thank you anyway!!!!!!!!!!!!!!
*March 14, 2015*

**science**

The passageway that takes air from your throat to your lungs is called the pharynx*** larynx alveoli trachea
*March 14, 2015*

**Chemistry help**

Write two molecular formulas that reduce to each to each of the given empirical formulas. Do not include the given empirical formulas. 1. Al2(SO4)3 . Cr(CN)3
*March 14, 2015*

**Chemistry help**

washing soda is a hydrate of sodium carbonate. a 2.714 g sample of washing soda is heated until a constant mass of 1.006 of na2co3 is reached. what is the mass of the water evaporated? what is the percent water in the compound?
*March 14, 2015*

**algebra2**

cuberoot(n+8)-6=-3
*March 14, 2015*

**algebra2**

cuberoot(n+8)-6=-3
*March 14, 2015*

**algebra2 **

(x-5)^1/3 -4=-2
*March 14, 2015*

**Physics - Mechanics**

A small block of mass 1.2 kg is launched by a compressed spring with force constant k=600 N/m. The initial compression of the spring is 0.15 m. The block slides along a horizontal frictionless surface and then up an inclined plane that makes an angle θ=40˚ with the ...
*March 14, 2015*

**Physics - Mechanics**

A large box of mass M is at rest on a horizontal table whose surface is rough; the coefficient of static friction between the table and the block is μ. The box is connected by a taut string to a small block of unknown mass m, initially held horizontally as shown and then ...
*March 14, 2015*

**Physics - Mechanics**

A bullet of mass m is shot at speed v toward a pendulum bob of mass M. The bullet penetrates through the block and emerges on the other side traveling at speed v/2. 1. What is the speed v_block of the block immediately after the bullet emerges from the block (In terms of M, m ...
*March 14, 2015*

**Science**

Which of the following may have happened if the inner planets had greater masses during the formation of the solar system? A. The inner planets may have been even smaller and rockier. B. The inner planets may have been larger and more gaseous. C. The inner planets may each ...
*March 13, 2015*

**chemistry**

A solution of fructose, C6H12O6, a sugar found in many fruits, is made by dissolving 22.0 g of fructose in 1.00 kg of water. What is the molal concentration of fructose the solution? What is the mole fraction of fructose in the solution? What is the mass percent of fructose in...
*March 13, 2015*

**chemistry**

describe how you can prepare 500cm of0.1m of standard hydrochloric acid from commercial concentrated HCL of density 1.18g/cm and percentage by 37%
*March 13, 2015*

**Science**

Which of the following planets is considered a rocky, or terristrial, planet? A. Venus B. Neptune C. Saturn D. Uranus Is the answer A? Thank you
*March 13, 2015*

**math**

What is the average of all of the integers from 17 to 55?
*March 13, 2015*

**LA**

Thank you Ms.Sue
*March 13, 2015*

**LA**

What is the prepositional phrase in the following sentence? The food and the extra water were kept in storage cabinet. A. The food B. and extra water C. were kept D. in the storage cabinet Is the answer D? Thank you for your help.
*March 13, 2015*

**LA**

Thank you for your time.
*March 13, 2015*

**LA**

In which of these lines is the meaning of the word resent best expressed? A. "Suppose you try kepping still for five minutes." B. "Anne, dear, don't be such a baby." C. "You know we're going to forget how to dance...When we get out we wont ...
*March 13, 2015*

**LA**

Which expression best represents the view a fatalist would have? A. "Whatever will be, will be." B. "The best is yet to come." C. "We are still masters of our fate." D. "You don't know what you have until its gone." Could the answer...
*March 13, 2015*

**French**

Merci Mme, Mrs. Sue. Could you please delete this question for privacy purposes?
*March 13, 2015*

**French **

I am working on my French homework (direct/indirect) and would like to check my answers and make sure I am on the right track. I am having difficulty with the following: Options: Me/m’, te/t’, nous, vous, le, la, les, lui, leur, y, en A. Je vais au café ...
*March 13, 2015*

**Math**

Thank you
*March 13, 2015*

**Math**

Oh ok I reread it is the answer D? Thank you
*March 13, 2015*

**Math**

What is the term for data that are grouped closely together? A. Outlier B. Linear C. Positive D. Clustering Is the answer C? Thank you for your help.
*March 13, 2015*

**health. please help! #6**

Oh Yeah I said B. Is that right?
*March 13, 2015*