Sunday

September 21, 2014

September 21, 2014

Total # Posts: 1,966

**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 ...
*June 2, 2008*

**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.
*June 2, 2008*

**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.
*May 29, 2008*

**spansih**

Que _____ traigo a Uds.? nos le les me What do ________ bring you? us him they me It doesnt make sense does it?
*May 21, 2008*

**History**

How was Charles II involved with the Royal Society and science in general?
*May 11, 2008*

**science**

is it a comet?
*May 5, 2008*

**science**

What is a Comet Star ? IS it a star or type of Comet?
*May 5, 2008*

**Science**

What is a Comet Star?
*May 5, 2008*

**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?
*May 4, 2008*

**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.
*April 27, 2008*

**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
*April 27, 2008*

**geometry**

the answers 24. i looked at the answers cus i thought it was 12 too
*April 27, 2008*

**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
*April 27, 2008*

**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
*April 20, 2008*

**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?
*April 19, 2008*

**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
*April 19, 2008*

**trig**

y = sin(-3x + 3) Amplitude = Period = Two x- intercepts = y - intercept = Domain = Range = Shift along x = Shift along y = Kind of reflection =
*April 19, 2008*

**chemistry**

I GOT A CORRECT ANSWER!!!:):):):):):):::)::):::):):):)::)))::)):):)::)::):):):):)::)::):) THANK YOU!!!!!
*April 19, 2008*

**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...
*April 19, 2008*

**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]
*April 19, 2008*

**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 =
*April 18, 2008*

**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 ...
*April 18, 2008*

**trig**

SO my answer would be sqrt 3?
*April 17, 2008*

**trig**

Is the exact value of sin(pi/3) + cos(pi/6) equal to 1.73?
*April 17, 2008*

**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 ...
*April 16, 2008*

**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 ...
*April 15, 2008*

**chemistry**

what would be the cell notation using nickel(II)nitrate and zinc nitrate?
*April 15, 2008*

**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 ...
*April 15, 2008*

**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. ...
*April 15, 2008*

**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 ...
*April 15, 2008*

**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 ...
*April 15, 2008*

**chemistry**

Sorry I mean to say what would be the cell notation using nickel(II)nitrate and zinc nitrate? Thanks
*April 15, 2008*

**chemistry**

What would be the cell notation using nickel/nickel (II) nitrate and zinc/zinc nitrate.
*April 15, 2008*

**chemistry**

What is the standard cell notation for nickel/nickel (II) nitrate and zinc/zinc nitrate?
*April 15, 2008*

**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 ?
*April 15, 2008*

**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...
*April 15, 2008*

**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 ...
*April 15, 2008*

**History**

How did the consumer economy in the late 1800s effect American life?
*April 14, 2008*

**math**

9375
*April 10, 2008*

**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."
*April 8, 2008*

**eth125**

summary of a current issue between Native American and the federal goverment. Indentify the legislation that you think linked to the issue.
*April 6, 2008*

**In-text citations of websites**

what if i look up adolf hitler wat would it be???
*April 6, 2008*

**Lesson Plan on What Makes Us Grow**

need some ideal to do my lesson plan about what makes us grow in health unit
*April 3, 2008*

**music**

Quincey Jones had a berry aneurysm - not a beri aneurysm didn't he?
*April 3, 2008*

**chemistry**

Just checking an answer... I was given Aluminum + Sulfur yields.. & I was to finish & balance & answer the questions. 2Al + 3S => Al2S3 If 1 mole of sulur reacts, how many moles of aluminum sulife are produced? .166 mol Al2S3 How many grams of aluminum sulfide is this? 24.9 g
*March 31, 2008*

**eth125**

researching bilingualism in education and politics in the United States find Also find 4 website to support you ariticle
*March 31, 2008*

**physics/chem**

Do the following calculations, and write the answers with the correct number of significant figures. (a) 15.45 m 8.21 m
*March 31, 2008*

**Geometry**

I don't know how to draw or do this. A plane 5 cm from the center of a sphere intersects the sphere in a circle with diameter of 24 cm. Find the diameter of the sphere.
*March 27, 2008*

**history**

write at least one important fact each person listed. Constine: Crusades: John Wycliffe:
*March 25, 2008*

**history**

i left my book at school and in study hall i used someone's book and 4gotmy book 4 home work do you think you can help me
*March 25, 2008*

**nursing**

Sue is new to working in a hospital kitchen. Her job is to prepare the food trays for the patients. She does not understand spoken or written English. How can her supervisor give her written instructions to better understand the mealtime menu?
*March 15, 2008*

**Science**

What is Arsenic's natural state?
*March 15, 2008*

**geometry**

The force of gravity pulling on an object down a hill is its weight multiplied by the sine of the angle of elevation of the hill. With how many pounds of force is gravity pulling on a 3000 lb car on a hill will a 3 degree angle of elevation? What i did: SIN3=.0523 .0523*3000...
*March 12, 2008*

**Geometry**

yes thats the answer i got drwls thanks the m km messed me up =]
*March 12, 2008*

**Geometry**

THATS WHY I COULDN'T GET THE RIGHT ANSWER! i didn't convert the meters! thank you
*March 12, 2008*

**Geometry**

A road 1.6 km long rises 400 m. What is the angle of elevation of the road? I don't known which numbers go to which sides. I can do the rest once I can label the triangle. Thanks!
*March 12, 2008*

**Geometry**

well this is what i did can someone tell me what i did wrong: tanx= 5/2 since diagonals of a parallelogram bisect each other x= 68 and the other angle would be 22 the angles of the rhombus would be 136 and 44 because the diagonals of a rhombus bisect the angles
*March 10, 2008*

**Geometry**

A rhombus has diagonals of length 4 and 10. Find the angles of the rhombus to the nearest degree. would the angles be 136 and 44?
*March 10, 2008*

**geometrey**

sorry one more question. so... a road climbs at an 8 degree angle with the horizontal. what is the grade of the road? the answer would be 5?
*March 10, 2008*

**geometrey**

nevermind my calculator was being stupid. thanks
*March 10, 2008*

**geometrey**

how did u get the 4?
*March 10, 2008*

**geometrey**

The grade of a road is 7%. What angle does the road make with the horizontal? I'm confused!! What is the grade of a road? Thanks for the help!
*March 10, 2008*

**Math**

one last one, so sorry! thanks so much! how would I test the series for convergence or divergence? the series from n=1 to infinity of 1/(arctan(2n))
*March 6, 2008*

**Math**

How would I test this series for convergence of divergence? the series from n=0 to infinity of sin(2^(-n))
*March 6, 2008*

**Math**

how would I test this series for convergence of divergence? the series from n=0 to infinity of (n^2+1)/(n^3+1)
*March 6, 2008*

**Physics help please**

Don't know
*March 5, 2008*

**math**

why would you add (8^2 + 15^2)
*February 26, 2008*

**math**

The diagonals of a rhombus have lenghts 16 and 30. Find the perimeter of the rhombus.
*February 26, 2008*

**essay (the american dream)**

i need to write an essay and make three points about how the american dream is unattainable. so far i've got: advertising, problems with upward mobility, and that the dream is always changing. any other suggestions?
*February 24, 2008*

**French Please Help!!!**

Utilisez la forme correcte du verbe indique. Apres le match, nous parlons (parler) de nos activites du dimanche. Les parents de Sarah ne dejeunent (dejeuner) jamais au restaurant le dimanche. Le vendredi soir, mes amis et moi, nous dansons jusqu'a 2 heures du matin! Le ...
*February 18, 2008*

**science**

if u dont know, then can u look up some websites for me? what happens if u swallow 1 tsp,1 1/2 tsp, and 2 tsp of baking soda mixed with some water? what happens if u swallow 1 tsp,1 1/2 tsp, and 2 tsp of soap mixed with some water? what happens if u swallow 1 tsp,1 1/2 tsp, ...
*February 17, 2008*

**ap chem**

the decomposition of (CH3)2O has a rate constant of 6.8x10^-4 s^-1. the initial pressure is 135 torr, what is the partial pressure after 1420s? i don't have the slightest idea on how to solve this.
*February 17, 2008*

**microbiology**

What would happen if I omitted adding Gram's Iodine in the Gram Stain procedure?
*February 8, 2008*

**chemistry**

1.92g sample of hydrogen peroxide solution generates 37.8mL O2 at 759 torr and 35 C. What is the percent strength of the peroxide solution? how would you solve this problem and which equations would you use?
*February 7, 2008*

**biology**

If you are getting 270X magnification with a 45X objective, what would be the power of the eyepiece?
*February 4, 2008*

**us history**

i'm supposed to find a candidate from this election that is similar to t. roosevelt b/c of similarities in domestic and foreign policies. i've searched all the candidates policies but i can't seem to find one that fits roosevelt's. any suggestions?
*February 3, 2008*

**world history**

how did the peace treaties both follow and violate Wilson principle of self-determination?
*January 27, 2008*

**world history**

describe conditions in Europe after World War I. the total of death, the cost of the war, homes,farm,factories, roads churches had been shelled into rubble.
*January 27, 2008*

**world history**

Describe the conditions in Europe after World War I.
*January 27, 2008*

**math**

the 4X4 square represents 1/4 of a whole shape. create three possible whole shapes. justify how u know that each new shape is one whole.
*January 24, 2008*

**Chemistry**

1. CH3C(CH3)=C(CH3)CH3 2. CH3C(triple bond)CCH(C2H5)CH2CH3 3. CH3CH2C(CH3)2CH2CH2CH(CH3)CH2CH2CH3 4. CH3CH2CH(C2H5)CH(C3H7)CH2CH2CH3 5. CH3CH2CHOHCH2CH2CH2CH2CH3 6. CH3C(CH3)=CHCH2CH3 7. CH2=CHCH2CH2CH(CH3)CH3 8. CH3C(CH3)2CH2CH(CH3)CH(CH3)CH3 9. CH3CH2COOH 10. CH3C(triple ...
*January 1, 2008*

**grammar**

i think you would not circle lunchroom
*December 11, 2007*

**French**

cet ete means this summer. l'ete means the summer. any time you see l'- it means the. so when you are talking about 'the summer' use l'ete. (for example: pendent l'ete- during THE summer) whenever you are saying 'this summer' use cet ete. (for ...
*December 11, 2007*

**science**

If you react them together, they create a salt. This reaction is called neutralization. HCl + NaOH --- NaCl + water
*December 9, 2007*

**Algebra**

Write the slope-intercept form for a line - Y=mx + b substitute the numbers for slope and x and y into your equation to find b 5=3/5(0) + b Then rewrite the standard equation leaving in the x and y letters but substituting the 3/5 for m and the value you found for b. Then ...
*December 9, 2007*

**Algebra**

2 points make a line.
*December 9, 2007*

**Science Fair**

I know that clay adsorbs heavy metals such as lead. How can I pull the lead back off of the clay so that it will percipitate with KI?
*December 9, 2007*

**algebra**

Let x = the number of tens 10x= the value of the tens x+150 = the number of ones and the value 10x+x+150=6750 11x=6600 x=600 10's and 750 1's
*December 9, 2007*

**Social Studies**

answer
*December 3, 2007*

**Math**

I want to know that if we have a set of data and we have to conclude if it is Da Vinci Theorom how do we know if it is or not . what do we need to de in order to conclude thankyou
*November 30, 2007*

**SCI 275**

In your own words, include descriptions of two 1996 award winners, discussing how they overcame one of the challenges mentioned in your presentation. My teacher gave me some links to read about some organizations in the 1996 awards, but when I read them there was nothing there...
*November 24, 2007*

**english**

I know some sites, but I can't type in an address, this website doesn't allow me to unless you get approval and that will take a while.
*November 14, 2007*

**sentence**

A salutary climate is quite nice.
*November 14, 2007*

**english**

no huge much alot
*November 14, 2007*

**Geography**

What is around edges of the Pacific Ocean?
*November 12, 2007*

**physics**

why are fossil fuels fond buried under rock
*November 10, 2007*

**Financial Management**

I NEED HELP WITH HW
*November 3, 2007*

**graphs**

graphs of horse heroes
*October 29, 2007*

**burnett**

can you find a problem for me plesea
*October 25, 2007*

**Honors Algebra II**

Solve this equation. [2x 3 3z]=[5 3y 9]
*October 16, 2007*

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