Monday

July 28, 2014

July 28, 2014

Total # Posts: 1,064

**Managerial Economics**

The demand function for a cola-type soft drink in general is Q = 20-2P, where Q stands for quantity and P stands for price. At which price would a change in price and quantity result in approximately no change in total revenue? Why?

**statistics**

250 out of 500 students is going to give you 0.5. After that you will need to multiply that number by 360. your equation will look something like this: 0.5 x 360 = 180 your welcome! :)

**physics**

A cat that has a mass of 6 kg climbs to the top of a tree that is 20 m high. How much potential energy does the cat have at the top of the tree?

**British literature**

the answer is NOT B. he's basically confessing to murdering his wife and destroying her happiness when she didn't follow his orders. knowing that, it rules out everything else but......

**physics**

a .300 kg baseball is thrown at a speed of 6.5m/s. the batter hits the ball and it flies into the outfield at a speed of 19.2 m/s. How much work is done into hitting the baseball

**geometry**

the coordinate of p are (-2,5) and the coordinates of q are (6,1). a.what is the slope of pq? b.what is the equation? c.what are the coordinates of the mp of pq? d. what is the eqquation of the perpendicular bisector of pq?

**Finance**

A bond that has a $1,000 par value (face value) and a contract interest rate of 11.9. The bonds have a current market value of $1,120 and will mature in 10 years. The firm's marginal tax is 34%. What is the cost of capital from this bond debt?

**physics**

1----------2 - - - - - - - - - - 3-----------4 Sorry this is a horrible square but I couldnt copy the image. The A is on corner 1 and the two charges are on corners 3 and 4.

**physics**

Two tiny objects with equal charges of 59.0 µC are placed at two corners of a square with sides of 0.355 m, as shown. How far above and to the left of the corner of the square labeled A would you place a third small object with the same charge so that the electric field ...

**preap physics**

In joules

**preap physics**

A 15.4kg block is dragged over a rough horizontal surface by a constant force 191N acting at an angle of 25.3 degrees above the horizontal. The block is displaced 80.4m and the coefficient of kinetic friction is. 2 A) find the magnitude of the work done by the force of frictio...

**Science**

If blue eyes are dominant to green eyes, and two parents have a 50% chance of producing offspring with green eyes. What must the genotypes and phenotypes be for the parents of the offspring. Complete a punnett square to answer this question.

**math**

array of stickers using the product of3 times 15

**finance**

14–1. (Defining capital structure weights) Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $400 million. Since the primary asset of this business is real estate, Templeton’s management has determined that they will...

**Beginner Chemistry!**

5.460 x 10^4

**Math grade 6**

Evaluate 4x for each value of x. write the answer in simplest form. x = 3/8

**geometry**

for kite ABCD, if RA=15, and BD= 16, find AD

**Calculus**

straight line has a distance of 1 mile

**Calculus**

Assuming the earth is a perfect sphere of raius 3950 miles, find (in inches) d. d, is the difference between the arc and a straight line.

**Physics **

Two ropes are attached to a wagon, one horizontal to the west with a tension force of 30 N, and the other east and at an angle of 30° northward and a tension force of 40 N. Find the components of the net force on the cart. Show all your work.

**Physics**

An airplane wing is designed so that the speed of the air across the top of the wing is 274 m/s when the speed of the air below the wing is 193 m/s. The density of the air is 1.29 kg/m3. What is the lifting force on a wing of area 25.0 m2? _____________________________________...

**Chemistry **

What is the molarity of OH- in a 7.83×10-3 M NaClO solution that hydrolyzes according to the equation. ClO-(aq) + H2O(l) = OH-(aq) + HClO(aq) The information they give is that constants Kh=2.86E-7 I know how to solve the problem when the constant Kw is involved (1E-14) i...

**trig**

We are doing trig identities in school. I need help with these five: 1.1+sinx/1-sinx=cscx+1/cscx-1 2.tanx+sinx/1+cosx=tanx 3.sec^2x/sin^2x=1/sin^2x+1/cos^2x 4.tan^2x/1+tan^2x=1-cos^2x 5.sinx-sin^3x/cos^3x=tanx

**Math**

Also, do i have to use numbers like 5.99 and 6.01 to find the rate of change @ t = 6s

**Math**

Do i have to make a tangent line?

**Math**

How do i figure out the instantaneous rate of change with given graph and it says find the rate at t = 6 s

**Math**

Thanks~ I understand #2 now. If I have more questions, do I post them here or post a new question?

**Math**

is it $49 or 4900? you said R(6) = -36 + 72 + 13 = 49

**Math**

Can someone help me with these questions? 1.What are the maximum and minimum values for Y=28(1.21)^x on the interval 0<x<12? a) 275.8 and 0 b) 275.8 and 28 c) 249.7 and 28 d) 188.4 and 28 2. For what value of x does the maximum or minimum of f(x)= x^2 +8x + 12 occur? Is ...

**Math-Help asap please~**

Oh wow thanks~

**Math-Help asap please~**

somebody? :|

**Math-Help asap please~**

how did you get h^2/2?

**Math-Help asap please~**

= 0.5(-6+h)^2 + 6(-6+h)+ 7.5 - (-10.5)/h *

**Math-Help asap please~**

For each function, the point given is the maximum or minimum. Use the difference quotient to verify that the slope of the tangent at this point is zero. a) f(x) = 0.5x^2 + 6x + 7.5; (-6, -10.5) Difference quotient is f(a + h) - f(a)/h m= f(a+h) - f(a)/h = f(-6+h) - f(-6)/h = 0...

**Statistics**

True or False: If the value of the correlation, r, is zero then there is no association between the two quantative variables.

**Statistics**

In the July issue of Archives of Neurology, researchers reported studying the smoking habits of 12000 people (3000 with Parkinson's disease and 9000 healthy people). They found that those who had smoked the most (the equivalent of a pack a day for 60 years) had the lowest ...

**Statistics**

The weights of trout in a certain river follow a normal distribution with mean 3 pounds and standard deviation 0.8 pounds. What proportion of trout weigh between 3.2 pounds and 4.8 pounds? a.) .3891 b.) .9972 c.) .9452 d.) .5865

**math**

I still need a answer plz!!!

**math**

sorry about that the fraction is negative

**math**

how do you do one third (h) is less than or equal to 7? do you need to reciprocate the fraction?

**Math**

Could someone answer this question so I understand it. The answer is 28.0, but i'd like to know how to do it. Thanks Randomly selected cars were weighed, and the highway fuel consumption amounts (in miles/gal) were determined. For 20 cars, the linear correlation coefficien...

**Statistics**

I have the answer to this question,, but i'd like to know how to do it. I need help finding z. Any help would be great. Thanks. Children and McDonaldfs In a Sports Illustrated for Kids survey of 603 children, 43% preferred McDonaldfs for fast food. The next hig...

**Geometry**

The piolet of a single-engine airplane flies at a constant speed of 200 km/h at a bearing of N 25 degree E. There is a 40 km/h crosswind blowing southeast (S 45 degress E). What are the plane's actual speed and direction? Round the speed to the nearest tenth and the direct...

**Geometry**

thank you soo much :)

**Geometry**

To reach a campsite, a hiker first walks for 2 mi at a bearing N 40 degree E. Then He walks 3 mi due east. What are the magnitude and direction of his hike from his stating point to the campsite? Round the distance to the nearest tenth of a mile and the direction to the neares...

**human resources**

A job description is like a deed of property ownership and describes what the job includes and what must be done to adequately perform the job. In some ways these job descriptions limit management's rights or opportunities to change job requirements at will and as such hav...

**computers**

Suppose the information portion of packet (D in figure 5.4) contains 10 bytes consisting of the 8-bit unsigned binary ASCII representation of string “Link Layer.” Compute the internet checksum for this data. Can someone explain to me how is this done? Info in D is: 0...

**math~ helpp pplease**

Thanks and no, it doesn't state whether or not its a parabola, etc. f(3) = 5? isn't x=3 and y=5? also, how is f(-x+1) = 1 :S did you factor out the negative?

**math~ helpp pplease**

(3,5) is a point on the graph of y = f(x). Find the corresponding point on the graph of each of the following relations a) y=3f(-x + 1) + 2 what do I do with the negative sign before the x (-x)?

**econ**

2. Suppose that firms in an industry have the following cost function: C = 100 + 0.25q2, and the industry faces an inverse demand curve of P = 90 – 2Q. a. I f the industry is competitive, find the long-run equilibrium price, quantity, and profit of a typical firm. How man...

**econ**

12. A monopolist faces a constant marginal cost of $1 per unit. If at the price he is charging, the price elasticity of demand for the monopolist’s output is –0.5, then

**geometry**

The width of a rectangle is 6 cm less than its length. If the area of the rectangle is 135 square cm, find the dimensions. Then find the perimeter of the rectangle.

**world history**

cambodia is the answer right ?

**math**

1/2 of students walk to school. 1/3 of students take the bus. What is the remainder? Put in order from from greatest to least.

**geometry**

a rectangle measures 30 feet by 20 feet and has a post at each corner and a post every 2ft. How many posts in all?

**Math**

Input x 2 output y=17, input x 4 output y=28, input x 6 output y=42, what is the rule for the table?

**Chemistry**

draw the alkyne formed when 3,4-dichloroheptane is treated with an excess of a strong base such as sodium amide. I got CH3CH3C(triple bond)CCH2CH3 but was told it was the wrong answer

**Chemistry**

CH3CH2CH(BR)CH=C(BONDED TO A METHYL ON ONE SIDE AND AN ETHYL ON THE OTHER)

**calculus**

fourth degree polynomial p(x) whose graph is symmetric about the y-axis, and which has a y-intercept of 10, and global maxima at (1,13) and (-1, 13).

**Algebra 2**

log^10000x=

**Algebra 2**

y=ln(x-10)

**Organic Chemistry**

What is the name of this alkene CH3-CH2-CH-CH=C-CH3 | | BR CH2CH3

**Organic chemistry**

draw the alkyne formed when 3,4-dichloroheptane is treated with an excess of a strong base such as sodium amide. I got CH3CH3C(triple bond)CCH2CH3 but was told it was the wrong answer.

**Organic Chem**

How would I assign priority to 1,2-dimethylcyclopropane?

**precal**

A pole 12 meters tall is perpendicular to level ground. A taut wire that is 20 meters long extends from the top of the pole to the ground. What is the angle of elevation, to the nearest degree, from the bottom of the wire to the top of the pole?

**science**

Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and I HAVE to do the...

**science**

Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and I HAVE to do the...

**found of tech **

Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and I HAVE to do the...

**Algebra 2**

The surface area S (in square centimeters) of a large dog can be approximated by the model S = 11.2m^2/3 where m is the mass (in grams) of the dog. A Labrador retriever’s mass is about three times the mass of a Scottish terrier. Is its surface area also three times that o...

**Algebra 2**

As a rule of thumb, the power P (in horsepower) that a ship needs can be modeled by P = d^2/3 • s^3 / c where d is the ship’s displacement (in tons), s is the normal speed (in knots), and c is the Admiralty coefficient. If a ship displaces 30,090 tons, has a normal s...

**Mathematics**

There is a two-digit number such that the sum of its digit is 6 while the product of the digits is 1/3 of the original number. Find this number. Explain your solution

**chemistry**

aspirin tablets contain about 5 grains of aspirin. About 10 grams of aspirin constitute a fatal dose. How many tablets would this be? (There are approximately 15 grains in a gram)

**nutrition and wellness**

Write a 300-500 word essay. Provide Three examples of sporting events, or fitness activities, with which you have been involved. Describe what energy pathway was used in that sport or activity and explain why you are matching the pathway with the activity. Try to give an examp...

**Algebra 2 **

I have a rectangular prism and I need to know the dimensions of it and the x values of it from the given information. x(15-x) by x(12-x).

**algerbra 2 **

x^5*x^3 simplify the expression

**algerbra 2 **

x^5*x^3 simplify the expression

**algerba 2 **

x=4y-1 solve the equation for y show steps

**algebra2 **

x+1/2y=5 solve the equation for y show steps

**algerba 2**

3x-2y=12 solve the equation for y

**algerba 2**

write the polynomial function of least degree that has real coefficeents the given zeros, and a leasing coefficiennt of 1. 1,-3,4

**algerbra 2**

evalute the function for x= -4, -3,-2,...,4. 1)y=x^4-2x^2-x-1

**Algebra 2**

Describe the end behavior of the graph of the polynomial function. Then evaluate the function for x=-4, -3, -2, -1, 0, 1, 2, 3, 4. Then graph the function. Number one: y=x^4-2x^2-x-1

**Algebra 2**

Describe the end behavior of the graph of the polynomial function. Then evaluate the function for x=-4, -3, -2, -1, 0, 1, 2, 3, 4. Then graph the function.y=x^4-2x^2-x-1 and y=(x-3)(x+1)(x+2)

**Algebra 2**

f(x)=x^3-7x^2+10x+6 (find the zeros of this quadratic equation)

**algebra 2**

write a polynomial function of least degree that has real coefficeints the given zeros and a leading coefficient of 1. the problem is 5,2i,-2i

**physics**

A 2.9 kg object oscillates with simple harmonic motion on a spring of force constant 430.0 N/m. The maximum speed is 0.8 m/s. What is the total energy of the object and the spring?

**calculus**

air expands adiabatically in accordance with the law PV =cost. pound per square inches ,at what rate is pressure changing when the volume is decreasing 1 cubic per second?

**Stats**

Each of 2 players, independently, play a game 5 times, with each game having probability of success 0.40. What is the standard deviation of the sum of the games they win

**Physical science**

A satellite that is 4175 miles from the center of the earth, orbits with a period of 90 minutes. What is its centripetal acceleration?

**physical science**

A satellite that is 4175 miles from the center of the earth, orbits with a period of 90 minutes. What is its centripetal acceleration?

**Algebra 2**

520.5 miles the equation should look something like this 23.95 + .1x= 76

**physics**

A 3.20 kg block is in equilibrium on an incline of 29.6 The acceleration of gravity is 9.81 m/s2 . What is Fn of the incline on the block? Answer in units of N

**physics**

A 22 kg box rests on the back of a truck. The coefficient of static friction between the box and the truck bed is 0.369. The acceleration of gravity is 9.81 m/s2 . What maximum acceleration can the truck have before the box slides backward

**Physics**

A 27.59 kg child is on a swing that hangs from 2.26-m-long chains. What is her maximum speed if she swings out a 48° angle?

**Physics**

a stone is thrown horizontally from the edge of the cliff with speed of 18m/sec. Cliff is 50 meters high

**Spanish**

Mi abuela y yo ______________ en baton rouge. Kiara ___________________ en la clase. Yo _____________________ hablando. Ella _____________________ durmiendo. Cody, Justino, y Roberto __________________ felices.

**geomtry**

when two planes intersect, their intersection is a:

**math**

polynomials (8m + 7) (2m +3)

**algerbra 2**

-3x(squared 2)-6x=0

**probability**

A set of five marbles is selected (without replacement) from a bag that contains 4 blue marbles, 3 green marbles, 6 yellow marbles, and 7 white marbles. How many sets of five marbles contain no more than two yellow ones?

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