Wednesday
July 30, 2014

Posts by lala


Total # Posts: 312

Economic
capital rationing assumes?

Economic
a 20 year bond pays on a face value of $1,000. If similar bonds are currently yielding 9%. What is the Market value of the bond?

Economic
Suppose a firm has a constant marginal cost of$10 the current price of the product is $25, and at that price, it is estimated that the price elasticity of demand is -3.0. Is the firm charging the optimal price for the product? Demonstrate how you know.

math
20. Which of the following rectangles is similar to a rectangle that measures 13 units by 25 units?

chem
1) how many molecules are present in 1.5 moles of NaCl? 2) how many atoms of chlorine are in 19.0 grams of MgCl2?

Help Mrs.Sue LA
18.When she is shy and doesnt want the teacher to pick relates to the main idea because it shows that when the she is interviewing the teacher she figures out she can do it and becomes confident. 19.? Help please.

statistic
idk

English II
That day I was so worried that I

chemistry
If we have a concentration of H+ at 5 x 10-2 mol/L, what is the pH value? A. -1.30 B. 0 C. 1.3 D. 2.6

Math
How would you solve 4[7^(x-2)] = 8

Chemistry
118.2

English
Help please!!!

English
What does this quote mean? “Stars got tangled in her hair whenever she played in the sky.”

Physics
two hundred fifty grams of iron is heated from 27 degree Celsius to 300 degree Celsius . how much ice can be melted and raised to a temperature of 27 degree Celsius by hot iron?

Physics
An electric heater warms a large 0 degree Celsius block of ice at the rate of 200J/s . calculate the mass of the ice that melts in 10 minutes

algebra
A car travels down the highway at speeds between 50 miles per hour and 65 miles per hour. If the car travels for 4 hours, write an expression that represents the distance, d, the car has travelled.

Chemistry
Oh, thank you!

Chemistry
What is the electro-negativity of NO ? (Nitric oxide)

Geometry
Use the Pythagorean Theorem to find the height / bases in each triangle. Then apply formula for area - b(h)/2

Pre-Calculus
C(x) = 14 ( 150) + 6 (230-150) + 3x

Math
A spherical balloon is being inflated. Estimate the rate at which its surface area is changing with respect to the radius when the radius measures 20 cm.

Math
How do you factor 2a^2 - 1 ?

Math
APPLE + ORANGE

Math
Find a polynomial whose zeroes are double the zeroes of P(x)=x^3-7x^2-5x+2.

Financial Mgmt.
Nachman Industries just paid a dividend of D0 = $1.75. Analysts expect the company's dividend to grow by 30% this year, by 10% in Year 2, and at a constant rate of 5% in Year 3 and thereafter. The required return on this low-risk stock is 9.00%. What is the best estimate o...

chemistry
how to prepare and calculate 10%,20% and 30% of phosphoric acid from the concentrated? Meaning that if 10% = 10%phosporic acid+90% of water. let say i want to prepare in 250ml volume.

chem
When saccharin is added to pure water, the freezing point of the resulting solution drops to -5.0C, Calculate the freezing point depression of the aqueous saccharin solution. Note: freezing point of pure water is O.0C... Stuck thanks so much!

Economics
how did the wizard of oz(the movie) relate to the social and economic texture of america?

Science Help
It is a mini one, like a toy car.

Science Help
Please help , I need to make a solar powered car. Where would I be able to get 3v motors ?

Physics
A mountaineer

statistics
test the claim that less than 30% of the students in class own a car at the 0.10 significance level.

Chem
a 4.369g sample of metal is placed in a flask. water is added to the flask and the total volume in the flask is read to be 126.4ml. the mass of the water, flask, and metal is 268.5g. if the mass of the flask is 139.3g and the density of water is 1.000g/ml, the density of the s...

math
500

English
Cradle!

AP Physics B
Use the equation m1u1 + m2u2 = m1v1 + m2v2 (mass 1 x its initial velocity + mass 2 x its initial velocity = mass 1 x its final velocity + mass 2 x its final velocity)

5th grade math
1. Find the area 2. Divide it by 4 3. Thats how many tulips!

English
Yes, B.

math
1.802752386 x 10 ^11

math
1 pack = 5 doughnuts ? pack = 2587 2587/5 = 517.4 Round it... 518 packs Hope this helped!

Physics
b. First law of motion - All material objects will remain in rest or motion in a straight line unless compelled by an unbalanced force. Its direction is changing = new force.

Steve 3 more questions.
8, 2 0, 4 -1, -2 5, -5 ..Please recheck these

Steve 3 more questions.
18 a Cinema A - 66/12 = 5.5 Cinema B - 28/5 = 5.6 Cinema A is cheaper. b) you save 10 cents! ( 5.6-5.5)

Math
5/13

elementary
Is that really me? I hope you liked the gift from me.

Physics
You are looking for range. Range = Vh x t Vh = 30 m/s t= ? We know d= 50 m, viv = 0 m/s a=9.8 d=vit + 1/2 at ^2 50=0 + 1/2 9.8 t ^2 50 = 4.9 t^2 t = 3.1 s Range = (30) (3.1) = 95.8 m Hope this helped !

Physics
An electric motor is used to pull a 125 kg box across a floor using a long cable. the tension in the cable is 350N and the box accelerates at 1.2m/s^2[forward] for 5.0s. The cable breaks and the box slows down and stops. How far does the box travel from the moment the cable br...

Physics
An electric motor is used to pull a 125 kg box across a floor using a long cable. the tension in the cable is 350N and the box accelerates at 1.2m/s^2[forward] for 5.0s. The cable breaks and the box slows down and stops. How far does the box travel from the moment the cable br...

English 9
easy going - feather ?

science
a piece of metal weighs

math
Point A(8, –10) is reflected over the y-axis. Write the coordinates of A'.

Economics
Use supply and demand economic theory and diagram to explain why the prices of houses has changed so much over the last 3 years. I just need topics to use to write about

Economics
Use supply and demand economic theory and diagram to explain why the prices of houses has changed so much over the last 3 years. I just need topics to use to write about

Physics
The fastest sustained runner is the pronghorn antelope, capable of running at 55 min/h for 1/2 mile. How long does it take this antelope to run the. 1/2 mile?

Physics
when driving at night at a speed of 80 km/hr, a deer suddenly appeared and frozen in your head light. The distance between your car and the deer was 45 meters at the moment you start to break your car as hard as possible in order to avoid the accident Assume that you could onl...

algebra
put 1/3 4/6 1/2 5/6 1/6 in order

management
the american federation of labor was formed under the leadership of who?

management
according to -theory, employees compare the inputs and outputs of other employees doing similar jobs. unfavorable comparisons may lead to slacking off on their work or asking a supervisor for either an explanation or a raise.

management
regarding management and leadership, which statement is most accurate?

Chemistry
suppose you wanted to heat a mug of water 250 ml for room temperature 25c to 100c to make a cup of tea. how much energy (in units of calories and joules) would you need form the microwave?

books
thank you! i dont know how to start it. like the first sentence. do i just dive right in or start with something else?

books
In the romantic tragedy, William Shakespeare tells the audience, through the two young lovers, Romeo and Juliet, that love can make you do crazy things that you wouldn’t otherwise do.

books
Romeo and juliet i need a conclusion for my essay the theme is how love can make you do crazy things. so far my 3 paragraphs conclude of 1 romeo climbing to juliets balcony 2 they get marrried 3 they kill themselves now i just need a conclusion

United States History
the least controversial actions of president bush regarding? a. war in iraq b. hurricane katrina c. immigration reform d. economic crisis of 2007-2009 e. "no child left behind" educational program I think the answer is E?

Chemistry
1 mol=molar mass in grams 6.022*10^23=1 mol all should cancel out whats left is answer

History
How were the issues of the civil war similar to those of the american revolution.

History
Was the republican party consistent in its policies from the 1850s-1877?

History
civil war ---> triumph of american democracy over european aristocracy. I'm supposed to write a paragraph about this, but I don't understand it.

History
What struggle was there between the president and Congress for dominant political power within the federal government from 1850-1868? I know there was the reconstruction problem and how congress basically took over. What else?

Pre-Cal
I'm trying to put this parabola in standard form which is: (y-k)^2=4p(x-h) The equation is x=(1/12)(y-2)^2 +6 Here is what i have so far: x=(1/12)(y-2)^2 +6 -6 -6 x-6=(1/12)(y-2)^2 *12 *12 Would it be 12x-6 OR 12x-72? thanks

Hi
The interests of the West were satisfied by neither the Jeffersonians nor the Federalists between 1789 and 1815. I'm supposed to write a paragraph about it, but I don't understand what it is asking...

History
Why is the War of 1812 called the second war of independence? I have b/c it was fought against the same country and it made the U.S independent and more respected. I need more, help please!

history
What caused Jeffersonian Democracy to develop?

biology
thanks

biology
what is the different between diet and health.

abstract algebra
Suppose K = {{2,3,4,5,6,7},{2,5,7,8,12},{1,2,3,5,7,9,13,20}}. Find three upper bounds for K in P(N) and three lower bounds. Does K have a least upper bound? Does K has a greatest lower bound?

abstract algebra
Suppose K = {{2,3,4,5,6,7},{2,5,7,8,12},{1,2,3,5,7,9,13,20}}. Find three upper bounds for K in P(N) and three lower bounds. Does K have a least upper bound? Does K has a greatest lower bound?

Chemistry Help Please :)
thanks

Chemistry Help Please :)
thanks

physics
A kid fires water horizontally from a squirt gun held 1.6 above the ground. It hits another kid 2.1 away square in the back, at a point 0.91 above the ground.

physics
a large chunk of ice with mass 15 kg falls from a roof 8 m above the ground . find the kinetic energy of the ice when it reaches the ground

Physics
What happens to the internal energy of an ideal gas when it is heated from 0C to 4C? a. increases b. decreases c. change in number of atoms d. increase in volume of substance

physics
a. increases b. decreases c. change in number of atoms d. increase in volume of substance

physics
What happens to the internal energy of an ideal gas when it is heated from 0C to 4C?

Physics
What happens to the internal energy of an ideal gas when it is heated from 0C to 4C?

Literacy
17. Scholarly journal articles are written: A. For a general audience B. By lower division college students C. By reporters D. By experts in a subject field

Physics
a = F/m = 15N/45kg = 0.33 m/s^2 , vf^2 = vi^2 + 2ad vf^2 = 3^2 + 2(0.33)(11) vf^2 = 16.3 vf = 4m/s is that correct?

Physics
A 45kg sled is coasting with constant velocity at 3.0m/s over a patch of smooth and level ice. It enters a very rough section of ice that is 11m long in which the force of friction is 15N. With what speed will the sled emerge from the rough ice?

World
Will the world end on december 2012? I dont think it will

calculus
what is the domain of f if f(x)=2cos(4x+pie)-1

algebra
maybe t divided by 30 and 30 times t...?

algebra
maybe t divided by 30 and 30 times t

math
20. A scale drawing of a town park has a scale of 5 in : 100 ft. What is the actual length of each foot in the drawing? (1 point)

calculus
a boat leaves a dock at 2:00 pm and travels due south at a speed of 20 km/h. Another boat has been heading due east at 15 km/h and reaches the same dock at 3:00 pm. at what time were the two boats closest together

English - Drawing conclusions
jon is tony cousin. Tony is hanks newphew. How are hank and jon related?

science
Im 13 in the 8th grade and i need help on figurinmg out simularites between mitosis and meosis please help thanks :]

Physics
An astronaut in outer space pushes himself away from his spaceship. About how far does the astronaut go before stopping? What does the astronaut have to do to stop himself?

Physics
The coefficient of static friction between the m = 2.95-kg crate and the 35.0° incline is 0.345. What minimum force must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline?

physics
1 A block of mass mb sits atop a at wooden plank of mass mp on a plane inclined an angle theta with respect to thehorizontal. The two are supported near the bottom of the plane by a spring of spring constant k that is in contactwith the plank but not the block. If the coecient...

English- The scarlet Letter
what rhetorical device does hawthrone use to reveal hester prynne's past? What do we learn about her?

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