Tuesday
July 29, 2014

Posts by Anna


Total # Posts: 1,925

chem
calculate the longest wavelength visible to the human eye

Essay
oh yeah i know they arent sentences. they are just ideas for the sentences. but they have to be in inverted order and i need a topic broader than giving back to the community.

Essay
i'm writing an inverted intro paragraph and these are the sentences i have so far. 1. ? 2. giving back to the community 3. community service 4. the youth volunteering 5. benefits of youth volunteering for commuity service can anyone think of a beginning sentence or make ch...

phsical education
i need a lot of help lets just say that my gym teacher is making my class take health so i have a huge asignment due on monday i need 101 ways to be healthy they can be physical, emotional, mental,social, intellectual, and spiritual Good Luck (i know i tryed) -ANNA-

Physics
Someone posted the question below, stating that they knew the answer to part A but needed help with part B. Well even with the answer for A, I can't figure it out! Can you take a step back from the question below to show me the steps for solving part A? I've been worki...

7th grade
WOULDNT THE TOTAL BE $3.60

physiology
as ___________increases, the two-point threshold decreases a.receptor # b.receptor density (i think its this one) c.receptor sensitivity d.receptor sensation

physiology
Bleaching induces conformational changes in both retinene and the associated opsin. T or F I don't understand this bleaching process

physiology
neurotransmitter release would be inhibited by a.stimulating repolarization of the axon terminal b.blocking Ca2+ influx in the axon terminal c.blocking repolarization of the axon terminal d.stimulating protein kinase activity I think its b, but not sure

physiology
what percent of blood flow to the body per minute goes to the brain ? 10, 20, 25, or 30% ?

physiology
the blood-brain barrier prevents hydrophobic molecules from diffusing into the brain. T or F Excitable cells are incapable of maintaining a constant resting membrane potential. T or F The membrane of resting nerve cells is more permeable to______ions than _________ions. a.sodi...

social studies
How do monopolies threaten the free enterprise system?

Consumer math
How to Compute percent of change in cost: Item:1 lb.apples price in 1970: 0.25 what is the Present price and what is the percent of change?

geography
Geography of Greece. How did it affect the people living in the region?

government
What is the newest government agency formed just earlier this week?

Spanish
linda--pretty princesa--princess reina--queen mi amor--my love

spanish
son las tres menos quince en punto.

science
OK,the question is what three statements that define all living things in terms of a cell? crossword puzzle! Anna

college - visual arts
R u doin it on a computer hi

AP Chem
Calculate the number of atoms in 32.0 g Br2. I keep getting 1.20 * 10^23 atoms Br2 but my book says i'm wrong.

math
3/5.37 = 8/14.32

AP Chem
but don't i have to know the formula for ethylene glycol?

AP Chem
Combustion of 6.38 mg of ethylene glycol gives 9.06 mg CO2 and 5.58 mg H20. The compound contains only C, H, and O. What are the mass percentages of the elements in ethylene glycol?

English: what's the formal term for...?
suspense?

Math
A book has n consecutive pages torn out (each paper in a book has two sides - each side is one page). Suppose A is the last numbered page before the torn out section and B is the first numbered page following the torn-out section. Find a formula for n in terms of A and B.

Science
did that help

Science
It would be a physical change because wjat it is made out of stays the same.

Math
Will a parabola intersect its directrix sometimes, always, or never?

Math
What is the length of the latus rectum of x^2=20y X squared equals twenty Y

Math
Find the equation of the parabola with directix y=3 and focus (5,7)?

math
10.9186

English
Can someone please proof read this? In A Raisin in the Sun, Lena Younger is the nurturing, ethical character who keeps the Younger family in line. First of all, Lena is a caring mother. For instance, when Walter runs away from his family because no one will listen to his liquo...

math
On the plant ZOG,colored coins are used formoney. Suppose 12 white, 9 red, 8 yellow, 4 blue, and 0 green can be exchanged for 2 white, 1 red, 0 yellow, 1 blue ,and 1 green. Also, suppose 1 green = N blue, 1 blue = N yellow, 1 yellow = N red, and 1 red = N white coins. What is ...

Chemistry Honors
well put

Language Arts
comprehend, curled up, fear

math
Given an infinte geometric series, with S=14 and the first term 9, find the ratio between terms.

math
1) 13 and -13 2) 5 and -5 I think I could be wrong

science
you need to change mL to grams and use conversions

Economics
This is what I came up with from my chapter reading, but this subject is confusing me. There is not a direct relationship between Gross Domestic Product and the economic well being. There may be a correlation in some instances, however high Gross Domestic Product does not nece...

Economics
What is the relationship between the level of Gross Domestic Product and economic well-being. What factors of well-being are missing from the Gross Domestic Product? Is there a point where the Gross Domestic Product could increase to such a high level that economic well-being ...

Math- Algebra
The function C(x)=4x+850 closely approximates the cost of daily production run of x picture frames. The number of picture frames produced is represented by the function x(t)=90t, where t is the time in hours since the beginning of the production run. now here's where I nee...

English
Is this a good topic sentence for a paragraph? In A Raisin in the Sun, Lena Younger is the nurturing, morale character who keeps the Younger family in line and earns your respect in the story.

Chemistry
what is the formula to change the temperature of K to C

P.E
What are the olympic ideals?

Math
For the equation y + 2 = -3/2(x-6) Identify the point found in the equation. Help?? what point are they talking about? =/

math
set it up like 75/750=x/100 cross multiply to get 750x=7500 x=10 therefore 10% of the parts were faulty

exponets
(12*2)=24 42-13=29 29+24 = 53

Math
18/6+3 is equal to 2 because 6+3=9 therefore, 18/9=2 no remainder in this problem.

Math
explain why the equation x^2 + y^2=1 does not define y as a function of x.

Math
what is the domain, range, and zeros of: f(x)=|x| and h(x)=|x|-2 ?? thank you!

math
1 miles = 1.609344 kilometers 55 X 1.609344 = 88.51392 km

Brookwood
A 67.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are .800 and .460 respectively. A) what horizontal pushing force is required to just start the crate moving? B) What horizontal pushing force is required to slide the cra...

social studies
what was the name of the food that thomas jefferson returned to the u.s from france

American History
What was it about post-1763 British policy that would cause colonists in every section to see the disadvantages rather than the advantages of being part of the British empire? any help will be truly appreciated!!

Math
Help needed! round 1.16 to the nearest tenth

spanish
Pico la cebolla? No, no la piques picas pica piqué Please help me- these will not translate

Spanish
tuya for the first and ducho for the second?

Spanish
Eres muy generosa prestàndome estas joyas mías - yours nuestras- his suyas- ours tuyas-mine What is the question asking- prestadome wont translate- Also -Generalmente, me _____ por la mañana porque me ayuda a despertarme. Which is generally I ____ in the m...

Spanish
Tienes _______ materiales que me prestes para la clase de geometría. algunos algún algunas alguna can someone please help. I cant figure out which of the four choices are supposed to fill the blank.

SPANISH - help
Como quieres pagar por eso- What does this say? I have How do you want to pay for..therefore? Its that por eso that is making the sentence just not make sense becuase my book says por eso is thats why, therefore.

spansih
Que _____ traigo a Uds.? nos le les me What do ________ bring you? us him they me It doesnt make sense does it?

History
How was Charles II involved with the Royal Society and science in general?

science
is it a comet?

science
What is a Comet Star ? IS it a star or type of Comet?

Science
What is a Comet Star?

Government
I have many questions: -How many judges does the Supreme Court have? -Who has the right to decide wether a federal, state or local law is constitutional?

geometry
An advertisement states that a Roto-Sprinkler can water a cicular region with area 1000 ft^2. Find the diameter of this region to the nearest foot. Use pi = 3.14.

geometry
nope. i figured it out. you have to use pi to find the areas of both pizzas and then their ratio is 1:4 so 6*4 = 24

geometry
the answers 24. i looked at the answers cus i thought it was 12 too

geometry
if 6 oz of dough are needed to make an 8-in. pizza, how much dough will be needed to make a 16-in. pizza of the same thickness? (compare the areas of the pizza tops) i don't know what to do

Biology 101
A portion of DNA molecules wound around a spool of histone protein is called a A. Centromere B. Nuclesome C. Spindle D. Furrow E. Cell Cycle

trig
y = cos(4x/3 minus 1) amplitude? Period? Two x - intercepts? y-intercept? Domain? Range? Shift along x? Shift along y? Kind of reflection?

chemistry
mols acetic acid = 0.024 Lx 0.39 mol/L = 0.00936 mols mols KOH = 0.33 mol/L x 0.017 L = 0.00561 mols pH = +log(0.00936)(0.00561) = -4.279 = 14 + -4.279 =9.7 I am stuck

trig
y = sin(-3x + 3) Amplitude = Period = Two x- intercepts = y - intercept = Domain = Range = Shift along x = Shift along y = Kind of reflection =

chemistry
I GOT A CORRECT ANSWER!!!:):):):):):):::)::):::):):):)::)))::)):):)::)::):):):):)::)::):) THANK YOU!!!!!

chemistry
Pb3(PO4)2 <==> 3Pb^+2 + 2PO4^-3 Since [Pb3(PO4)2] = 2.3 x 10^-9 (Pb^+2) = 6.9 x 10^-9 (PO4^-3)= 4.6 x 10^-9 Ksp = (Pb^+2)^3*(PO4^-3)^2 = (6.9 x 10^-9)^3*(4.6 X 10^-9)^2 =(3.2850 X 10^-25)(2.116 X 10^-17) =6.951 X 10^-42 Please check if my answer is correct. It seems........

chemistry
If the concentration of Pb2+ is found to be 2.3 x 10-9 mol/L in a saturated solution of Pb3(PO4)2, what is the Ksp of Pb3(PO4)2 ? This is my work thus far it is as far as I could get: Ksp = [Pb2+] [Pb3(PO4)2] = [2.3 x 10-9 mol/L][Pb3(PO4)2]

trig
Can you do one more please? This one is the same as seven of my other practice problems y = sin(-3x + 3) Amplitude = Period = Two x- intercepts = y - intercept = Domain = Range = Shift along x = Shift along y = Kind of reflection =

trig
Can you do one more please? This one is the same as seven of my other practice problems y = sin(-3x + 3) Amplitude = Period = Two x- intercepts = y - intercept = Domain = Range = Shift along x = Shift along y = Kind of reflection =

chemistry
What is the percent ionization of a 1.38 mol/L weak acid if its Ka = 2.7 x 10-6? Answer to two (2) decimal places. I know what steps to use but have difficulty applying them to the quesiton Can someone please complete the question for me since there are about 10 other question...

trig
SO my answer would be sqrt 3?

trig
Is the exact value of sin(pi/3) + cos(pi/6) equal to 1.73?

Physics
Suppose you have a perfectly spherical water tank with an inside diameter of 8.6 metres. If the drain at the bottom of the tank can't handle a hydrostatic pressure of more than 50 kilopascals, what is the maximum volume of water, in litres, that can be contained in the tan...

chemistry
Let me try! Let me try! :) nickel(II)nitrate and zinc nitrate -->Ni|Ni^+2 (??M) ||Zn^+2 (??M)|Zn Iron(II) nitrate and zinc nitrate -->Fe|Fe^+2 (??M) ||Zn^+2 (??M)|Zn Silver nitrate and zinc nitrate -->Ag|Ag^+2 (??M) ||Zn^+2 (??M)|Zn Is this correct? Also, how would I ...

chemistry
what would be the cell notation using nickel(II)nitrate and zinc nitrate?

chemistry
Let me try! Let me try! :) nickel(II)nitrate and zinc nitrate -->Ni|Ni^+2 (??M) ||Zn^+2 (??M)|Zn Iron(II) nitrate and zinc nitrate -->Fe|Fe^+2 (??M) ||Zn^+2 (??M)|Zn Silver nitrate and zinc nitrate -->Ag|Ag^+2 (??M) ||Zn^+2 (??M)|Zn Is this correct? Also, how would I ...

chemistry
Lab: Galvanic Cells Purpose: The purpose of this activity is to demonstrate the design and operation of a galvanic cell used in scientific research and to compare the measured potential difference of that cell to the calculated potential difference using a standard table. Mate...

chemistry
The procedure to this lab is as follows Procedure: Place the zinc nitrate solution into a beaker and connect the zinc electrode so that it is partially submerged in the solution. Place copper (II) nitrate solution into the porous cup and connect a copper electrode so that it i...

chemistry
Analysis: Prepare a table to record your observations. The table should include a column for the following: the cell notation of the cell constructed, the voltmeter reading, and the calculated cell potential. Include a column for expressing the accuracy of each result (in term...

chemistry
Sorry I mean to say what would be the cell notation using nickel(II)nitrate and zinc nitrate? Thanks

chemistry
What would be the cell notation using nickel/nickel (II) nitrate and zinc/zinc nitrate.

chemistry
What is the standard cell notation for nickel/nickel (II) nitrate and zinc/zinc nitrate?

chemistry
One other quick note. Make sure you want to list these with the strongest reducing agent at the top and the weakest at the bottom; otherwise, you need to reverse the order. So Cl2 Br2 I2 becomes I2 Br2 Cl2 ?

chemistry
Reaction 1: Cu (strongest reducing agent) I- Ag Br- (weakest reducing agent) Reaction 2: Zn(strongestreducing agent) Pb Cu Ag(weakest reducing agent) Reaction 3: Cl2 (strongest oxidizing agent) Br2 I2 (wekest oxidizing agent) Using these results, how am I supposed to prepare a...

chemistry
sorry the first one didn't post properly Lab: Electrolytic Cells The purpose of this experiment is to test the method of stoichiometry in cells. Materials: balance steel can tin electrode power source wire lead (x2) tin (II) chloride solution (3.25 M) timer large beaker An...

History
How did the consumer economy in the late 1800s effect American life?

math
9375

health unit
all i know is to keep it really simple try not to bore the kids if this is not right i am looking to make a lesson plan also about health unit "what makes us grow."

eth125
summary of a current issue between Native American and the federal goverment. Indentify the legislation that you think linked to the issue.

In-text citations of websites
what if i look up adolf hitler wat would it be???

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