# Posts by Bree

Total # Posts: 149

algebra
This is a response to bobpursley's answer of Pr(0) = .3; Pr(1) = 7*.3; Pr(2) = 7*.7. Can you show me how you arrived at the above answers? Also, what does * mean? Thanks.

algebra
a basketball player shoots 70% of freethrows he has a 1 an 1 what is the probability of him shooting o,1,2 points

Science
If a radioactive isotope has half life of 5 days,how long will it take for its radioactive strength to be a maximum of one thousandth,(1/1000) of its original value?

math (interests & percentss)
i need help with these problems below ! mike deposited \$500 for 9 months at 8%, compounded quarterly. a. how many times was interest added to mike's account? b. what percent interest was added each time? c. what was the balance in mike's account at the end of 9 months...

Chemistry
A sample of gas collected over water at 42 C occupies a volume of one liter. The wet gas has a pressure of 0.986 atm. The gas is dried, and the dry gas occupies 1.04 L with a pressure of 1.00 atm at 90 C. Using this information, calculate the vapor pressure of water at 42 C. ...

I think the complete subject is stories and the simple subject is valentine's day

complete and simple subjects for " Many stories about valentine's Day exist."

What are the complete and simple subjects in the sentence " Mrs.Marcus told the class about Valentine's Day."

What is the complete subject and simple subject for the sentence " Valentine's Day has an interesting history."

Chemistry
Okay thank you!

Chemistry
When 4.0 mol of CCl4 reacts with an excess of HF, 3.0 mol of CCl2F2 (Freon) is obtained. The equation for the reaction is CCl4(l) + 2HF(g) --> CCl2F2(l) + 2HCl9g) State which of the statements are true about the reaction and make the false statements true. (a) The ...

chem132
When 15.0 g of ethyl alcohol, C2H5OH, is dissolved in 750 g of formic acid, the freezing point of the solution is 7.20 C. The freezing point of the pure formic acid is 8.40 C. Evaluate Kf for fomic acid.

Economic
1.The most important tool the Fed has to control the money supply is a. changing the federal funds rate. b. changing the required reserve ration. c. open market operations. d. changing the discount rate 2. Banks use their excess reserves to a. make new loans to customers. b. ...

physics
Brandon throws a flying disc with a force of 8 N. If the disc has an acceleration of 4 m/s2, what is the mass of the disc?

southwest asia
which of the following is necessary for large-scale farming to take place in southwest asia? a. use of fossil waters b. dams and irrigation systems c. desalinization and water treatment processes d. water from and oasis

calculus
How do you solve the initial value problem? (dy/dx)-2y+4=0, y(1)=4

federal tax
Carl bought a heavy-duty truck (5-year class recovery property) for his business service on April 30. The truck is not considered a passenger automobile for purposes of the listed property and luxury automobile limitations. The truck has a depreciable basis of \$39,080 and an ...

science
What is a punnet square and how do you figure out questions regarding a punnet square

math 9th
If RS= 20, UT = x + 10, RU = y + 3, and ST = 15, find the values of x and y. x = 10, y = 12 x = 30, y = 18 x = 5, y = 17 x = 23, y = 25 Cant figure this out just explain, try not to give me the answers!!! P.S. you guys and gals are incredible, very nice!!! thanks from the ...

spanish II
Me gusta la vista del hotel. I love helping people!!!

Science
ggggggggggggggggggg

Physics
Why do ironic compounds have high melting points?

you equation 2would be: \$11.95 = \$4.95 + .35x(<trying to find) (^total) (first, sub. 4.95 from both sides.) \$7.00 = .35x (now, you divide each side by .35 to get X by its self.) 20=x OR x=20 (.35 didided by .35 will cancle each other out. you should be left with x=20. that ...

chemistry
Delta H is given and is-6186.0 Calculate the difference, deltaH-deltaE=delta(PV) for the combustion reaction of 1 mole of methyl octane. (Assume standard state conditions and 298 K for all reactants and products.)

algebra
well excuse me for not knowing what its called.

algebra
Okay so.....I'm really bad at equations and all that and i need help with just these two problems... 1. -x + 7y - x - 6y + 4x 2. -x - 8x + 7 Thanks!..

music
preeetty sure it was andrew lloyd weber.

Algebra

Algebra

Physics
Two buckets of sand hang from opposite ends of a rope that passes over an ideal pulley. One bucket is full and weighs 110 N; the other bucket is only partly filled and weighs 50 N . Initially, you hold onto the lighter bucket to keep it from moving. What is the tension in the ...

Algebra

Algebra
Find the equation of the circle when the center is at the origin and the radius is 6. Thanks!

Algebra
Thanks!

Algebra
Knowing the given conditions, write the equation of the circle. Center at (4,2) and the circle passes through (-1,-1). Please help!

Communications
lol thanks!

Communications
True or False: When people are aware of both the positive and negative characteristics of another, they tend to be more influenced by the undesirable traits.

Algebra
Thanks!

Algebra
y=x^2-3 Is there symmetry? Yes, on the y-axis. How would I prove it? With an equation?

Algebra
Write the equation of the circle. Center at (4,2) and the circle passes through the point (-1,-1). Please help!

math
mark wants to plot his grades from week to week. what type of graphshould he use?

Molly
A form of charge, designated positive, negative, or zero, found on the elementary particles that make up all known matter

Math
if it's less than it's "and", if it's greater than it's "or".

MATH
y= mx + B y =3 m= -1 x= -2 Find B= ??

grammar
I need help identifying each words part of speech on 2 sentences: Growing along with your family Built to last forever Please help

Linear Equations(HELP)
your teacher is giving you a test worth 100 points containing 40 questions.There are two-point and four-point questions on the test.How many of each type of question are on the test?

physics
6.1

Chemistry
I need a passing grade in chemistry. Our mid term is tomarow it is not realy a class it is for G.T. We have to make a modle of an atom. HELP.

Algebrafundamental
i need help for my worksheet cn anybody help me get a good grade in my class its very hard

science
what are a+ topics i could use to write a 2 page 7th grade science report http://en.wikipedia.org/wiki/Ursinae_hybrid http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/20060511/grizzly_cross_060511?s_name=&no_ads=

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