Tuesday
July 29, 2014

Posts by Joanna


Total # Posts: 120

math
Consider the line 9x - 7y =4 What is the slope of a line parallel to this line? What is the slope of a line perpendicular to this line?

Chemistry lab reports online?
Are there any websites with other students' lab reports with calculations online? I do not want to copy and am completely against plagiarism. I just want to look at others' examples to help in giving me ideas on how to write my own and make sure I have enough informati...

law
How does the structure of the court determine the role of the defense lawyer?

law
How do “Other” crimes cause any estimated difference in classification of three-strikes arrests?

law
where can I find this information

law
How does prosecutorial discretion affect the overstating of laws on average sentencing?

law
where did you get this information from

law
Why did Congress repeal the mandatory federal sentences for drug offenses in 1970?

math
the challenge involves in dealing with the owner is to use a 20 meter fencing material to build a pig pen so that the owner will not be buying any additional materials considering also that one side of the pen is the outside wall of his garage? what is the dimension of this pi...

accounting
. On June 1st, Green Pea, Inc. purchased $1,200 worth of supplies on account. How does this transaction affect Green Pea's accounts? a. Increase supplies and accounts payable by $1,200 b. Increase supplies and decrease cash by $1,200 c. Increase supplies and decrease accou...

Math
(i dont know if i posted but im just doing it again just in case) A 17 foot pipe is cut into three sections. The longest section is three times as long as the shortest and the middle sized section is two feet longer than the shortest. Find the length of each section to the nea...

Math
A 17 foot pipe is cut into three sections. The longest section is 3 times as long as the shortest and the middle sized section is 2 feet longer than the shortest. Find the length of each section to the nearest foot

english literature
How does The Misfit embody both verses of Matthew 12:35? "A good man from the goodness of his good heart brings forth good things; an evil man from the evilness of his evil heart brings forth evil deeds."

Chemistry
Compare and contrast the processes of nuclear fission and fusion, showing similarities and differences. Describe which, if any, of these processes is naturally occurring. If so, where?

statistics
1. 35% of North Americans do not think that college education is a contributory factor to economic success. A random sample of seven North Americans is selected

General Chemistry
How many milliliters of 0.5M NaOH must be added to 200 mL of 0.1M NaH2PO4 to make a buffer solution with a pH of 6.9?

Proportions
there were no brackets it was just written out as this well on mine it was. 3y-8/12=y/5 if anyone can help me id gladly appreciate it thankz

science
What is itvbarnoeso unscrambled ?

Precalculus
invests 7000 for 1 year part at 5% part at 11% and the remainder at 13% total amount of income from these investments was $774. The amount of money invested at 13% was $1200 more than the amounts invested at 5% and 11% combined find the amount invested at each rate

Probability please help!
It means that numbers 2,3,7 have to be first so combination choose 3 out of 5 and then either 4 or 8 can be in the end which can be done in 2! ways. So 20ways out of possible 5!=120 so 20/120= 2/12=1/6

maths project
which ratio do you want? girls are 20 out of total 46 so 20:46 ie 10:23 and boys are 26:46 ie 13:23. Unless you want to find the ratio between girls and boys?

probabilities
Sorry I meant 5/9

probabilities
I got 4/5 but the answer in the book says something else. Am I correct?

probabilities
but Reiny it's WITH replacement!

probabilities
A bag contains 3 green balls. 2 red balls and a white ball. A boy randomly draws balls from the bag one at a time (with replacement) until a red ball appears. Find the probability that he will make at least 3 draws.

math
If there are only two possible outcomes from each trial then it's a binomial and by using the formula nCx p^x(1-p)^(n-x) we get; 5C4(1/3)^4(2/3)^1=0.04115

Algebra
let X be the amount she had in the beginning. x-2 after magazine On shoes she spent: (x-2)/2. For lunch she spent: (x-2)/4. She is left with (x-2)/4=12 <=> x-2=48<=> x=$50

math
Already answered this

math
I have answered this question for Anderw

physics
A curve of radius 20 m is banked so that a 970 kg car traveling at 50 km/h can round it even if the road is so icy that the coefficient of static friction is approximately zero. The acceleration of gravity is 9.81 m/s^2 Find the minimum speed at which a car can travel aro...

Science
What happens when 1 Liter of Carbon Tetrachloride is poured into a container of Water?

Chemistry
the mass in grams 6.02x10^24 atoms Bi and 1.50x10^15 atoms U

medical records
how important is having the ability to read medical charts and reports? Why can abbreviations in charts be a cause of concern? How would you ensure that your staff and other health care professionals are proficient in medical abbreviations and terminology?

science
Which Windows feature allows you to personalize your computer system? A. My Pictures C. Default Programs B. Control Panel D. Computer

science
Which one of the following describes how to access your local disk in Windows XP? A. Click Start and click Control Panel. B. Click Start and click My Computer. C. Right-click on your desktop. D. Click Start and All Programs.

science
In Vista and Windows 7, which process allows you to display two documents side by side? A. Click the Windows button, choose Control Panel, and select the Tile Windows Vertically option. B. Right-click the mouse button in a blank area of the taskbar; in the menu option that app...

science
In Vista and Windows 7, which process allows you to change the desktop background? A. Click the Start button, choose Control Panel, and select Display Properties. B. Right-click on the desktop; in the menu that appears, select Display Properties. C. Click the Windows icon/Star...

science
In Vista and Windows 7, which process allows you to change the desktop background?

literature
. Which of these sentences uses grammar correctly? (Points : 1) Whom may I say is calling? Who may I say is calling? Whose calling?

physics
i need three project topics in physics. Help please

physics
1. A closed magnetic circuit of cast steel contains a 6cm long path of cross sectional area 1cm square and a 2cm part of cross sectional area of 0.5cm square. A coil of 200 turns is wound around the 6cm length of the circuit and a current of 0.4ampere flows. Determine the flux...

physics
i need three different project topic in physics

physics
A volume of gas v at temperature T1 and pressure P, is enclosed in a sphere. It is connected to another sphere of volume v/2 by tube and stopcock. This second sphere is initially evacuated and the stopcock is closed. If the stopcock is now opened and the temperature of the gas...

physics
A volume of gas v at temperature T1 and pressure P, is enclosed in a sphere. It is connected to another sphere of volume v/2 by tube and stopcock. This second sphere is initially evacuated and the stopcock is closed. If the stopcock is now opened and the temperature of the gas...

physics
A volume of gas v at temperature T1 and pressure P, is enclosed in a sphere. It is connected to another sphere of volume v/2 by tube and stopcock. This second sphere is initially evacuated and the stopcock is closed. If the stopcock is now opened and the temperature of the gas...

physics
A volume of gas v at temperature T1 and pressure P, is enclosed in a sphere. It is connected to another sphere of volume v/2 by tube and stopcock. This second sphere is initially evacuated and the stopcock is closed. If the stopcock is now opened and the temperature of the gas...

computer packages
describe the following in not less than five sentence with examples. (1) rational database (2) schema

Geometry
each triangle is a 45 degrees-45 degrees-90 degrees.find the value x

physics
an ideal monatomic gas is allow to expand slowly until its pressure is reduced to exactly half its original value. By what factor those the volume changes if the pressure is (1)isothermal (2)adiabatic. Please is the answer suppose to be a calculation or an explanation

physics
an ideal monatomic gas is allow to expand slowly until its presssure is reduced to exactly half its original value. By what factor does the volume change if the pressure is (1) isothermal (2) adiabatic

physics
an ideal monatomic gas is allow to expand slowly until its pressure is reduce to exactly half its original volume. By what factor those the volume change if the process is (1)isothermal (2) adiabatic

algebra
suppose that the temperature at the end of the hiking trip is 42 degrees. write an equation to represent this situation

algebra
on average a child grows 2.5 inches per year from age 2 until adolescence. write an equation that shows how to calculate the height h of a child given the number of years y since age 2 if the child is 33 inches tall at at 2?

who invented.....
The first modern brassiere to receive a patent was the one invented in 1913 by a New York socialite named Mary Phelps Jacob

algebra
how do you Write a point-slope equation for the line with the given slope that contains the given point. with m=-3;(-2,-5)

English
Yes this is my first year ive never been so stressed in my life. im starting to get worry line ive never had any ughh..this is so stressing i cant take it.. i cant have Christmas break cuz im behind on so many lessons hopefully i leave connections next year >:|

Math
determine the value of k such that g(x)=3x+k intersects the quadratic function f(x)+2x^2-5x+3

Alegaba 2
Two sides of a triangles are equal in length. the length of the third side is three meters less than the sum of the lengths of the other two sides. What is the length of the longest side of the trangle if its perimeter is 29 meter?

algbra
Explain how to find the sum positive eight plus negative ten using game chips, then give the answer.

health projects
i need ideas how to make a reproductive system of the female? i dont have no clue how to make it

physics
A whale swims due east for a distance of 4.2 km, turns around and goes due west for 3.0 km, and finally turns around again and heads 1.8 km due east. What is the total distance traveled by the whale?

Spanish-7th grade-Please check
If I just have a picture of la sala and it's neat and tidy and has a television in it, which would be the correct response? 1.Mi familia acaba de limpiar la sala. 2.Mi familia mira la television. 3.Mi familia necesita limpiar la sala. 4.Mi familia limpia la sala. I don'...

Spanish-8th gradePlease check
Thank you, I see the mistake

math
I'm so sexy!

social studies
would the growth of Christianity still be affected if the emperor Constantine had not become a Christian?

Pre-algebra
Kiron invests $22,700 at 14% interest. About how much interest will he earn in 6 months? a.$19,068 b.$3,178 c.$1,589 d.$530

FRENCH
COuld you please tell me if Ive translated these French words and phrases right? Est-ce qu(e) - Phrase introducing a question Ne Quitte pas - Wait a minute? Maintenant - Now Il y a des defiles et beaucoup de bals: -There are some parades and many dances Ce soir - tonight/eveni...

Physics
oh okayy! thanks so muchhh <3

Physics
The mass of the Moon is 7.35 x 10^22 kg. At some point between Earth and the Moon, the force of Earth's gravitational attraction on an object is cancelled by the Moon's force of gravitational attraction. If the distance between Earth and the Moon (centre to centre) is ...

math helpy
Evaluate: 16^-3/4

Religion and Global culture
Yes, they would. Bad apples in every bunch.

chemistry
A sample of sulfer, mass 2.56 g is burned in excess oxygen inside a calorimeter of heat capacity 923JK and insulated by 815g of water. If the sole product of combustion is SO2, what is the expected increase in temperature? I dont need the answer, just the solution so I can fin...

chem
when 1.00g of sucrose C12H22O11 was combusted in a calorimeter to give CO1 and H20, the temperature rose from 25.00 to 27.32 C. The calorimeter itself had a heat capacity of 837JC and was submersed in 1500.0g of water. Find the heat of combustion of sucrose. How would I go abo...

calculus
f(x)=x8+7x2+613(x−1)2(x+6)6

Calculus
The value of y changes by 3 units when x changes by 0.1 unit. About how fast is y changing?

physics
vector A has a magnitude of 57 m and points in a direction 20 degrees below the positive x axis. vector B has magnitude of 70 m and points in a direction 57 degrees above the positive x axis. Find the magnitude of the vector D = A-B.

4th grade
by subtracting and doing good in school

Economics
The Andrews Corporation produced satellite dishes, was purchased by another compay, which was a cable company: The Total Cost function for the New Company is: TC = 1,000 + 16Q – 16Q2, where the demand curve for Satellite Dishes is PS = 400 – QS and that for the cable...

Organic Chemistry
What are proper techniques to induce crystallization from a saturated solution? (Select all correct answers.) Allowing the solution to cool down. Scratching the outside of the container with a glass rod. Seeding the solution. Adding a solvent that lowers the solubility of the...

Physics
Consider the electric field created by a very long charged line of negative linear charge density -2.50 nC/m. A small positive point charge of 7 mC moves from a distance of 9 cm to a distance of 17 cm. How much work is done by the electric field?

Univ Physics-resistance
I think I got part A and B. I need help on part C. How do I do it?

Univ Physics-resistance
A hollow cylindrical resistor with inner radius r1 and outer radius r2, and length l, is made of a material whose resistivity is rho. A.Find the resistance for current that flows radially outward. Divide the resistor into concentric cylindrical shells and integrate. Express yo...

Chemistry
The rate constant for a certain reaction is = 4.30×10−3 s^-1. If the initial reactant concentration was 0.400 M , what will the concentration be after 19.0 minutes? Rate would be first order therefore I used. A=A initial*e^-kt I keep getting .0030 M but supposely I...

Phys sci
what does that mean?

Phys sci
Which one of the following frequency can set the string into resonant vibration? If a guitar string has a fundamental frequency of 500Hz a)250Hz b)750Hz c)1500Hz d)1750Hz

Chemistry
I did a lab where we had to determine the iron content in ore...i am confused about the reactions that occured during the reaction...i need reactions for the following... 1) The samples were treated with 6M HCl until all the iron ore dissolved.Assuming all of the ore is in the...

Algebra 2
I need to know how to solve quadratic equations by factoring. Can you so a step by step explanation to this sample problem? 2 x -12x-28

history
why was it biased for President William Mckinley to say that the fillipinos are unfit for self government?

history
Why did Andrew Carnegie want to achieve both horizontal and vertical integration?

social studies
what is the difference between vertical and horizontal integration?

history
what is the difference between vertical and horizontal integration?

social studies
why would a store owner spend so much money on decoating their store?

physics
Who does more work if your friends pushes a something four times further than you with half the force?

5th grade Math
help in division plis help help help help

college english
Please Help Me Revise My Essay: An unknown author once said, “A good teacher is like a candle - it consumes itself to light the way for others.” Of all the teachers I have had throughout my educational history there is only one that stands out the most: My Human Serv...

Orientalism
Thank you Ms. Sue, but I was told Wiki was not a reliable source. Is this true?

9th grade
I need to write an essay on something I have accomplished using 5 adjectives and 2 inference words. What are some examples of inference words?

math!!! help please?!
what is the probability of not throwing 7 or doubles for 6 consecutives throws with a pair of dice? help please?!?!!

data management (gr.12)
ok thanks!

data management (gr.12)
ana finds 11 shirts in his size at a clearence sale. How many different purchases could ana make? the answer is 2047, any idea how to answer this? thanks!!

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