# Posts by bb

Total # Posts: 167

math
ã10(ã11-ã7) can you help me multiply and simplify

com 155
Write a 100-word passage to Susan Anker, the author of the course’s textbook, in which you describe five details from her book that are good and five details about the book that are written well.

English

algebra 1
simplify the following fractions by rewriting them in factored form and finding all the "ones" you can....plis help.. 42/60, 16/80, 51/17, 7/33...

physics
212

Biology
I need help with a couple of questions. I have included what I think the answers are. Could you let me know how I did? 1- A woman who recently came home from a tropical vacation now has abdominal pain and diarrhea. Her blood test results show an elevated eosinophil level. ...

Health
I was wondering if anyone could help me with these questions. I have put what I feel are the correct answers. Please let me know if I did ok & thanks. 1- A woman who recently came home from a tropical vacation now has abdominal pain and diarrhea. Her blood test results show an...

AP Chemistry
Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3). The balanced equation is given below. C7H6O3 + C4H6O3 C9H8O4 + HC2H3O2 (a) What mass of acetic anhydride is needed to completely consume 4.40 102 g salicylic acid? What is the ...

geometry
find "d" in the radical form of a right square pyrmid with equilateral triangular faces. I have three measurements of 8.

p/3-3p/8=3 p-3p/8=9 p-3p=72 -316 I am not sure if I did this right. Just guessing.

Algebra HELP:(
8x+(-10)=750 8x=760 x=95 y=95(3)=285 w=95 L=285

Algebra HELP:(
I am terrible at word problems. How do I work this? A large park is to be built in the shape of a rectangle. The length is to be 5 m shorter than three times the width. The perimeter of the park is to be 750 m. What will be the length and width of the park?

Algebra: did I do this right
find the other endpoint of a line segment with the given midpoint (6,4) endpoint ((3, 5). 6= 3/2 and 4 = 5/2 12=6 and 8 = 10 12-6 and 8 - (-10) End Point = (6, 18)

math
List all the subsets of S. You may use "C" for chocolate, "V" for vanilla, and "M" for mint. 1. {} 2. C 3. V 4. M 5. CV 6. CM 7. VC 8. VM 9. MC 10.MV 11. CVM Is this correct.

Astronomy
The great galaxy in Andromeda has an angular diameter along its long axis of about 5 degree. Its distance is about 2.2 million light years. What is its linear diameter?

college
Two parallel plates, each with zero mass and an area of 10,000 cm2 are set 0.1 mm apart and the space between them is filled with a Newtonian fluid. The upper plate is pushed in the direction shown with a constant force sufficient to accelerate a mass of 1 kg by 1 m/s2, which ...

phi 105
What are key differences between the ontological, teleological, and cosmological arguments? Identify the philosopher who you think best supports his or her argument. The Ontological argument states that God exists in the understanding but not in reality. Anyone that considers ...

Chemistry
I have to convert the following pressures into torr: 1. 2.48x10^-3atm 2. 4.75x10^6atm 3. 7.60x10^6 i have no idea how to convert it when there are scientific notations involved. please help =]]

chemistry
I have to convert the following pressures into torr: 1. 2.48x10^-3atm 2. 4.75x10^6atm 3. 7.60x10^6 i have no idea how to convert it when there are scientific notations involved. please help =]]

chemisty
I have to convert the following pressures into torr: 1. 2.48x10^-3atm 2. 4.75x10^6atm 3. 7.60x10^6 i have no idea how to convert it when there are scientific notations involved. please help =]]

physics
I am getting 0.144 nm for this but I didn't make use of the force. Do you have to use the force? A force of 4.6 x 10-15 N acts between an electric dipole with dipole moment 2.3 x 10-29 C m and an electron. How far away from the dipole is the electron located when it ...

math
Describe what happens to the three points of concurrency that determine the Euler line when the triangle is (a) isosceles, (b) equilateral.

college
The expected number of heads in 160 tosses of an unbiased coin is ___.

language arts
I am looking for a word that discribes this. This makes a room messy, carries a sick person, or is another name for a lot of puppies.

literary
you can mix things in it, hold briks together with it, or fire it.

algebra
(8x-6) - (4x-5)

Toulmin Model Anyone?
* Claim: Allowing guns on campus stops or deters school shootings. * Data: Recent school shootings (45 since '96) weren't stopped and no one else had a gun. * Warrant: If guns were allowed someone probably would have shot the perpetrators. * Backing: none Am I even ...

Comm. Arts
Toulmin Model and Campus Gun Control? I'm getting really confused about this. I need to break down an article according to the toulmin model within the next few hours. It's about gun control on campuses. So far I've got: Claim: Guns should be allowed on campuses ...

algebra
is this right? Divide and check: 12x^3y^2/2x^5y^2 answer: 6x^-2

algebra
Is this correct? subtract (4a^3+2b^3)-(6a^3+5a^2b-2ab^2+2b^3) answer: -2a^3-5a^2b+2ab^2

algebra
(v+3)

algebra
Factor c^2+3c-54 v^2-4v-21

Algebra
The denominator of a fraction is 2 less than twice the numberator. If the numerator is decreased by 2 and the denominator is increased by 3, the resulting fraction simplifies to 1/3. Find the original fraction. Have no idea what to do.

algebra2
Suppose it takes 3 days for a space vehicle to travel from Earth to the moon. About how long would it take for the same vehicle traveling at the same speed to Jupiter? Moon - 240,000 mi Jupiter - 391,000,000. The space vehicle would take how many days to reach Jupiter?

math
2(4x-4) + 2(8x+10)= Perimeter

North America, South America, Asia, Europe, Australia, Antartica, Africa

algebra
Thank you very much. It helped me not only on that problem but others as well. :)

algebra
What is the common denominator? 3 2 - + - 1 a-1 ------- 4 3 - - - 1 a+1

geography
Is there a certain rhyme out there to help study state capitals?

algebra
Find the slope and y-intercept x=-9 a) slope:0;y-intercept: (0,-9) b) slope: undefined; y-intercept: (0,-9) c) slope: 0;y-intercept:none c) slope: undefined;y-intercept:none

algebra
Solve the system by graphing. x+y=4 -x+y=2 How do I graph this?

algebra
The length of a rectangle is 9 in. more than twice its width. If the perimeter of the rectangle is 48 in., find the width of the rectangle. a) 4 in b) 5 in c) 6 in d) 7 in

algebra
Rewrite the equation 2x-3y=-6 A) f(x)=2/3x+2 b) f(x)=3/2x-3 c) f(x)=3/2x-6 d) f(x)=2/3x+6

Algebra 1
Solve the following system by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent. 10x+2y=7 y=-5x+3

algebra
Theater tickets are \$8 for general admission and \$5 for students. During one evening 240 tickets were sold, and the receipts were \$1680. How manny of each ticket was sold? This is what I have before I get stuck: G=8 S=5 8(240-S)+5S=1680 1920-S+5S=1680 Now what?

algebra
Solve the following by graphing: 2x - y = 4 2x - y = 6

algebra
Is this right if I substitute -2 for x? f(x)=x^2-7x=10 f(-2)=-2^2-7(-2)+10 f)-2)=-4-(-14)+10 f(-2)=-8

algebra
Would it be a solid line or a dotted line?

algebra
I came up with f=-5, -7 and -1 and now I am lost. Thanks.

algebra
Can you enlighten me as how to graph this equation? Thanks

algebra
f(x)=-2x-5

algebra
Is f(x) = 3 over 4x + 11 over 4 the correct answer? 3 over 4 is a fraction and 11 over 4 is a fraction.

algebra
I need to rewrite the function of x in the equation -3x+4y=11

algebra
-3x+4y=11

algebra
Thank you so much I came up with an answer of 28 after some struggling.

algebra
Is this right if I substitute -2 for x? f(x)=x^2-7x=10 f(-2)=-2^2-7(-2)+10 f)-2)=-4-(-14)+10 f(-2)=-8

algebra
Is this right for the third one? f(-2)=-2^2-7(-2)+10 f(-2)=-4-14+10 f(-2)=-8

algebra
f(x)=x2(squared)-7x+10, find (a)f(0), (b) f(5), and (c) f(-2)

algebra
-3-4= -7 It doesn't seem right 2-2 0

algebra
Write the equation of the line passing through (2,-3) and (2,4). Write the answer in slope-intercept form.

extraction
How to distingush organic layer and aqueous layer? The organic layer is the one on top. Most organic solvents are less dense than water. (NOte: Non-hydrocarbons such as chloroform, methylene chloride, carbon tetrachloride etc are more dense than water.)

Physics
.211

english

chemistry gas laws
In a science demonstration, 4 to 6 plastic garbage bags are arranged under a 2 m by 2 m piece of plywood. A volunteer stands on the plywood and others blow into the bags to "levitate" the volunteer. If four bags are used and a 140 lb person is on the plywood, what is...

BIOLOGY HELP!!!!
Does it take energy for polymerization reasctions to proceed or ddo they occur spontaneoulsly?? Why or why not?? http://en.wikipedia.org/wiki/Endothermic_reaction 10. From a bottle of molten nutrient agar you need to pour 20 agar plates each containing 50 mg ml-1 ampicillin. ...

permutations and combinations
Four men and four women are to be seated alternatively at a round table. In how many ways can this be done?

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