Saturday

May 30, 2015

May 30, 2015

Total # Posts: 231

**MATH**

A ball is dropped from a height of 64 feet. It's height above the earth is the feet given by h(t)=-16t^2+64, where t is the number of seconds after it is dropped a Find h(1) b how long does it take the ball to fall to the earth
*September 25, 2008*

**English**

In Posionwood Bible, what does Leah mean by: "Some people will send a bread-butter note after you have them over for dinner. Well, Anatole sent us a boy."
*April 29, 2008*

**Chemistry**

I was just wondering whether HCl and C6H5OH on the reactant side together, or am i supposed to separate the two into two different reaction equations, and then do ICE from there? Because I'm not sure how to create a acid-base reaction with HCl and C6H5OH together on one ...
*April 19, 2008*

**Chemistry**

Calculate the equilibrium concentration of all ionic aqueous species in a solution containing 1.30 M HCl and 4.0 M C6H5OH (phenol, Ka=1.6 x 10^-10). What is the pH of the solution?
*April 19, 2008*

**chemistry**

How many electrons are transferred in the reaction of hydrogen peroxide with iron (II) ion in acidic solution to form iron (III) ion and water?
*April 16, 2008*

**chemistry**

A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium concentration of FeSCN2+ ([FeSCN2+]std) for this standard solution is assumed to be ____ M.
*April 10, 2008*

**Chemistry**

The concentration and volume of reagents combined in each trial are listed in the table below: Trial 00020 M 00020 M H2O(mL) Fe(NO3)3(mL) KSCN (mL) 1 5 2 3 2 5 3 2 3 5 4 1 4 5 5 0 Initially (right after combining and before any reaction occurs) the concentration of Fe3+ in ...
*April 10, 2008*

**chemistry**

The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an absorbance of 0.510. If a trial's absorbance is measured to be 0.250 and its initial concentration of SCN¡V was 0.00050 M, the equilibrium ...
*April 10, 2008*

**maths**

ALL OF JENNYS PETS ARE DOGS EXCEPT ONHE. HOW MANY CATS AND DOGS DOES JENNY HAVE,
*February 18, 2008*

**statistics**

How do I sketch distributions? I think I'm doing it wrong. Is there an option my friends stats-calc(her calcultor is very tempremental, so i don't know if it'll work) I can utiilzie that'll sketch things for me? thanks. -Sketch a normal distribution with (mu) m...
*January 30, 2008*

**Geometry**

so the answer will be y=2x+2 but then what if i get y-1=3/4(x+4) i got 2 simplify rght but how do u simplify (x-4)?
*October 14, 2007*

**Geometry**

so its not y-6=2(x-2)
*October 14, 2007*

**Geometry**

uhmm yea
*October 14, 2007*

**Geometry**

naw u dont get it coachz dont know how 2 teach they just do it for the extra money duh!!! think boy!!!
*October 14, 2007*

**Geometry**

Uhmmm you know how 2 help me graph that
*October 14, 2007*

**Geometry**

i dont have class notes my teacher dose not know how 2 teach i get lose sorry. and the book gets me lost.
*October 14, 2007*

**Geometry**

they already gave me the slope so its 3/4 right and then the y-intercept is 1 from (-4x,1) right
*October 14, 2007*

**Geometry**

Write an equation of the line in slope-intercept form with the given slope and the given point F(-4,1), m=3/4
*October 14, 2007*

**Math**

so slope is 0 and the y-intercept is 5? how do i graph that?
*October 14, 2007*

**Math**

uhmmm 0
*October 14, 2007*

**Math**

i hope your not getting mad. im sorry. math is not my subject i hope u can help me tho that will mean alot 2 me. well hold on ill get this
*October 14, 2007*

**Math**

that will be 1 right
*October 14, 2007*

**Math**

but theres no slope so its just x?
*October 14, 2007*

**Math**

Find the slope m, and y-intercept b of the given equation 1. y=5
*October 14, 2007*

**2nd grade math**

If you have a rectangle with 24 square units 3 lines down 8 across how can you have a 4 unit rectangle with a perimeter of 8 around the outside also 6 units with a perimeter of 10 in a seprate problem A square of 4, perimeter of 8. What about a 2x2 square? A rectangle of 3x2 ...
*May 21, 2007*

**chem**

How is the process of drying clothes on a clothesline different than drying clothes in a dryer? Thanks. Just more heat in the dryer. It dries quicker because the fast moving hot air will hold more water vapor. thank you
*May 19, 2007*

**algebra**

I am supposed to write each logarithmic expression as a single logarithm. I have logbase3of13 + logbase3of3 and my answer is logbase3of39. Can I simplify that any further? also logbase3 of 3 is 1 1+ log3 13 is another answer, simpler, to me. oh, okay, so it would make more ...
*April 12, 2007*

**algebra**

How do you do?: x^2+1 ----- x^4-1 Thanks! Try to factor wherever you can so you can reduce as much as you can. Factors of x^4 - 1 are (x^2 + 1)(x^2 - 1). Now we have: x^2 + 1 ------------------ (x^2 + 1)(x^2 - 1) Do you see a common factor to cancel out in both the numerator (...
*March 20, 2007*

**history**

Does anyone know any songs that have a history behind them/explain an event in history? (ie Sweet Home Alabama, American Pie) Much thanks! Check these sites for a few songs that have a history and/or explain an event. http://bensguide.gpo.gov/3-5/symbols/yankee.html http://www...
*December 28, 2006*

**chemistry**

Can someone please help me with this one? Explain which of the following statements does not make sense: a. a role of masking tape weighs 350 micrograms b. 92 cm cubed of water was poured onto the table c. the room covers an area of 200 m cubed I was thinking it was b because ...
*October 21, 2006*

**BRAINTEASERS**

WHEN I AM FILLED I CAN POINT THE WAY WHEN I AM EMPTY NOTHING MOVES ME. WHAT AM I ?
*September 20, 2006*