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Posts by cool

Total # Posts: 111

Calculus
Sketch the regions bounded by the following curves and find their area: y=2x^2 y=-x^3+3x

Calculus
Find the derivative of the function y=S 10(t)^1/2 sin(t)dt y'=? S=integration symbol b=x^3 a=(x)^1/2

Caclulus
Find the derivative of the function g(x)=S(u^2-5)/(u^2+5)du g'(x)=? S=integration symbol b=3x a=2x

Calculus
Find f if f''(x)=2+cos(x) f(0)=5 f(pi/2)=?3

Calculus
Solve the following initial valued problems: a) g?(x) = sin(x), g(?) = 2. b) g??(x) = 18x, g?(0) = 1 and g(0) = 5. b) g??(x)=12x2 +2,g?(1)=7andg(1)=3.

Help Needed
A prism is completely filled with 96 cubes that have edge length of 1/2 cm. What is the volume of the prism Help Need:)

Caclulus
Let x and y be to positive numbers whose product is 500: (a) Find the maximum sum of x and y (b) Find the minimum sum of x and y: 2. A cylindrical container can hold a volume of 1 liter. Find the dimensions of the container that minimizes the surface area. 3. What are the ...

Language Arts
Yeah when someone gets them, put them up here asap. Thanks!

Chemistry
Calculate the number of valence electrons in BF3.

MATH
What is x^2 times x^2?

CHEMISTRY
The enthalpy of cimbustion for Octane vapor, C8H18, a component of gasoline, is -5512.0kJ/mol. a. Write the equation for the combustion of Octane, including the energy term. b. Calculate the energy change when 45g of Octane burn. c. Calculate the energy produced when 45g of ...

chemistry
Using the electron configuration of nickel (Ni), identify its magnetic character. a. ferromagnetic b. paramagnetic c. no magnetic character d. diamagnetic

Geometry
1.D 2.A 3.D 4.A 5.C

Chemistry
How is it possible that the atomic number increases in order, yet the atomic masses do not? A. There is no relationship between the atomic number and mass of the atom. B. The masses of the protons for Te, I, and Xe have slightly different masses. C. Since the numbers of ...

Chemistry
Which of the following best explains how relative atomic mass could be determined from the type of data available to Dalton? A. By determining the mass of oxygen contained in a sample of water, its exact atomic mass could be determined. B. By comparing the masses of hydrogen ...

Pre-Calc
1. Calculate the period of sin(3x), cos(3x), and tan(3x). 2. Calculate the period of sin(x), tan(x), sin2(x) and tan2(x). Please explain, thank you :)

pre-calc.
Problem 1. You ingest a certain dangerous bacteria at dinner by accident. When more than 1,000,000 of these organisms are in your gut, you will become violently ill. Their population doubles every 20 minutes. You ate dinner at 7pm and by 5am you are sick. At least how many of ...

pre-calc.
(ln(100))/ln(10) = I know the answer is 2 so can you explain why. Thank you :)

pre-calc
You leave $5,000 in an account for 20 years. The account compounds interest yearly at a rate of 10%. To the nearest dollar, how much money do you have at the end of the 20 years? You leave $5,000 in an account for 20 years. The account compounds interest CONTINUOUSLY at a rate...

Pre-Calc
What is the average rate of change of the function f, given by f(x) = x2 + 1, on the interval [2,5]?

pre-calc.
1. Calculate the limit of f(x) = x/x as x tends to 0. 2. Calculate the limit of f(x) = (x^2-1)/(x-1) as x tends to 1.

Pre-calc.
Graph the polynomial f(x)=(x+6)(x+4)^2 (x+2)^3(x-3) (x-5) a) Describe the interval notation the set of all x such that f(x)>0. b) Graph on a number line the set of all x such that f(x) > 0. c)Describe in interval notation the set of all x such that f(x) ≥ 0. d)....

Geography
Thanks soso I got a 10/10

LA 7
Which statement from "Why Do We Need Zoos?" best captures the author's point of view? 1. "...zoos were open to the general public, too, so everyone could find out about animals." 2. "Some people feel that there is lots of wild space and that ...

Language Arts, check!!!
Then, is the first one B?

Language Arts, check!!!
Oh, also... In which sentence is the definition of RESOURCES best demonstrated? 1. Remember, RESOURCES are important to take every morning and every night. 2. A large amount of RESOURCES was dumped into the river. 3. Take into account the RESOURCES before you sign the contract...

Language Arts, check!!!
Which statement from "Why Do We Need Zoos?" best captures the author's point of view? 1. "...zoos were open to the general public, too, so everyone could find out about animals." 2. "Some people feel that there is lots of wild space and that ...

Science- Electric and Magnetic Potential Energy
D B C C

Technology
The answers are B B D I got 3/3 100%

Art
C B D A B I got 100%

English
Lyra you are amazing

English
Yes

Spanish
Those are all correct, I just took it

languege
Thanks I got 100%

Math
Thanks alot

Spanish
Those are all correct

science
thank you!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

maths
71

Biology
d

math
Number 5 is now d

science
i don't think so

health
Thanks so much

Math HELP!
i dont think so considering i keep coming up with the exact same thing

history
What is a good way to end a history essay?

MATH
dab

MATH
awesome

math
It's 2/3

math
87087+98000

hindi
foolish

math
What is the greatest common factor of 36, 20, and 8?

math
how can you change 1/2 to a mixed number?

math
what is 6 divided by 8.4

Math
Anyone?

Math
Ok never mind , guys, I figured it out. I really just guessed, so if anyone thinks they know please reply

Math
Can someone please answer. Cuz I'm about to flunk this question

Math
Umm, guys, hi. Lauren says that -3.36 (36 is repeating) is greater than -3 1/3. Do you agree? Explain

Math
It's 5 cans by the way

physics
Your mom Hahaha

Cyber Community Citizenship
I need the answer to Lesson 3: Cyber Community Connections Education Educational Technology and Online Learning 6 Unit 6: Internet Safety 6th grade in Connexus Acadamey

science(check answers)
Thanks I got 100%

S.S
100% correct B C D D

Global Studies
Omg thank you so much trust me I took the test and got them 100% the answers are D D C D

math
I know I shouldn't ask here but can someone answer this? Lauren says that-3.36 (36 repeating) is greater than -3 1/3. Do you agree? Explain

math
Can someone please tell me...please?

math
I have the same problem but cannot find an answer

early childhood literacy
speak with him personally

Computer Science
def jumpAndBackpedal(isMyNumber): ''' isMyNumber: Procedure that hides a secret number. It takes as a parameter one number and returns: * -1 if the number is less than the secret number * 0 if the number is equal to the secret number * 1 if the number is greater ...

creating a pivot table
That's nice mr.josh

Solar Energy
thank u

Solar Energy
please answer the e and f ????

Physics
yes

SOCIAL SKILLS AND MOTOR DEVELOPMENT
for number 1 its b

statistical probability411
No replacement (otherwise two identical poems) Total=4+5+2+2=13 poems 5 Colerdge, 2 Byron So P(CB)=(5/13)*(2/12) =5/78

math 7th
the answers is 26

social studies
same here

math
Your teacher is an idiot. If Marty's pizza is larger, than eating 4/6 of that pizza is more than 5/6 of a smaller pizza. Of course, Marty's pizza must be much bigger. Just imagine this: 4/6 of an entire city is greater than 5/6 of a house, for example...By the way, ...

7th grade math - Scientific Notation basics
How did you all find this site and how? you are all cheaters!!!!

s.s
Which of the following is true with regards to the Navigation Acts by the eighteenth century? A. In general, the colonists despised the acts and smuggling was rampant. B. The acts replaced the colonial admiralty courts. C. The colonists became used to buying and using British...

algebra
Sorry. Plz excuse my language

algebra
Do you understand

algebra
Are you sure this is right ms.sue

math
Umm... Thnx for the answer emochique.. Umm. That awkward moment. Haha

college algebra
U is jointly proportional to V and W. Let k be the constant proportionality. If U = 4 when V = 8 and W = 6, find the value of k

physics
What should be the spring constant of a spring designed to bring a 1300 car to rest from a speed of 95 so that the occupants undergo a maximum acceleration of 6.0 ?

physics
At the top of a pole vault, an athlete actually can do work pushing on the pole before releasing it. Suppose the pushing force that the pole exerts back on the athlete is given by = (160 ) - (170 ) acting over a distance of 0.21 .

physics
Planet A and planet B are in circular orbits around a distant star. Planet A is 8.0 times farther from the star than is planet B .What is the ratio of their speeds ?

Physics
yes you are dumb

chemistry
gogo

Physics
Could someone try to help me solve those 3 questions by giving me clues or equations? With what speed (SI Units) must a ball be thrown directly upward so that it remains in the air for 12.5 second? An object of mass 197kg is at rest. If a force of 2.5N is applied for 30 ...

social studies
how does living along the coast affect how some people earn a living?

world history
what is early people because i am a 6 grader

Genetics
Among 10,000 twin births, there were 4350 male pairs, 4150 female pairs and 1,500 male-female pairs. What are the number of monozygotic and dizygotic twins in this population? I know that the 1500 male female twins have to be dizygotic. How do I find out about the same sex ...

Physics???
Assume that the freezing of an additional layer is slow enough. Then the temperature profile can be assumed to be linear across the layer of ice. This quasistatic assumptions allows us to solve this problem without the need of solving the much more difficult moving boundary ...

Physics
i don't really know.

chem
help me i hev a lab You need to post a question with details about what yo don't understand.

math
Don't care blah blah blah blah blah this sucks

U.S History
Forming the U.S, what are the checks and balances that were set up in the Constitution and why were they put in? http://en.wikipedia.org/wiki/Separation_of_powers_under_the_United_States_Constitution

U.S History
Forming the U.S, A system was developed in which both the federal government and the states had powers. What kind of system is this called?

U.S History
Forming the united States, what were the two plans that arose at the Convention and who were the people responsible for each plan? Just a minute! Have you asked us all your questions? What have YOU done to find the answers? We HELP but we don't DO the work for you! Yes. I...

U.S History
In the Revolutionaey war, what happened at the Battle of Charles Town? See below.

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