Wednesday
May 4, 2016

Posts by ethan

Total # Posts: 230

science
what is the volume of water ? how do I describe this ?
November 10, 2009

5th grade
show me examples of dot arrays
September 15, 2009

pre algebra
- 2 + 5 = +3
July 19, 2009

Math word problem
This is all I was provided. I don't get it either.
January 13, 2009

Math word problem
you buy a bottle of juice for $1.00. The juice costs 90 cents more than the empty bottle. How much does the empty bottle cost? The answer is not 10 cents.
January 13, 2009

biology
what oganic molecules provised structure for hair, nail, bones/cartilage
January 9, 2009

Math
I don't know :-)
October 14, 2008

chemistry
Sodium phosphate, Na3PO4, reacts with HCl to form H3PO4 and NaCl. How many liters of 0.1 M HCl are required to react with 0.1 mole of sodium phosphate?
October 13, 2008

physics
force=(mass)(acceleration) what is the acceleration?
September 24, 2008

physics
A 4.9 g bullet leaves the muzzle of a rifle with a speed of 332 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.85 m long barrel of the rifle?
September 24, 2008

12th grade government/economics
what is the period of dominance of federalists
August 24, 2008

Precalculus
Oh sorry, haha thank you for correcting me and thank you for helping me out.
July 30, 2008

Precalculas
how do i find the inverse of f(x)= (3x+7)/(x-2)
July 30, 2008

Art
Where does clay come from?
April 17, 2008

Calculus
x(squared)+8x+17 if x < or = -4 Let f(x)= 2 if x= -4 -x(squared)-8x-15 if x > -4 Show that f(x) has a removable discontinuity at x=–4 and determine what value for f(–4) would make f(x) continuous at x=–4. Must redefine f(–4)=____
April 15, 2008

chemistry
so Fe did that... im getting confused because i to oxidize means to lose electrons that makes it more positive and then reduction is actually the addition of electrons
April 15, 2008

Calculus
What is the limit as x approaches -1 of x - 5 --------------------- 4x(squared)-6x+ 3
April 15, 2008

Calculus- limits
never mind it was 12
April 15, 2008

Calculus- limits
f(x) = x + 7 if x < or equal to 5 F(x) = 7 if x >5 what is the limit as x is approaching 5 from the left side????? I know that the limit as x approaches to 2 does not exist and that the limit as x is approaching 5 from the right side is 7
April 15, 2008

US history
1. Which of the following justifications was not one of the proslavery arguments? a. Slavery offered a secure and certain life for slaves. b. Slavery involved only a very small number of slaves. c. Slavery assured an adequate labor supply for planters. d. Slavery influenced ...
December 29, 2007

Magnets-Physics
magnets attrac each other
November 6, 2007

Economics
Question on study guide that i don't get. Bill O’Really of OX News observed that poultry (chicken and turkey) consumption in the US increased dramatically over the 2000 to 2006 period. This he discovered was due to the fact that consumers, being more health conscious...
September 4, 2007

Macro Econ
Which of the following argues in favor of using Gross Domestic Product as a measure of economic well-being?
July 24, 2007

pre-cal
Simplify the given expression........? (2sin2x)(cos6x) sin 2x and cos 6x can be expressed as a series of terms that involve sin x or cos x only, but the end result is not a simplification. sin 2x = 2 sinx cosx cos 6x = 32 cos^6 x -48 cos^4 x + 18 cos^2 x - 1 I assume you are ...
May 17, 2007

pre-cal
find all solutions in interval [0,2pi] tan²x = -3/2 secx This question may look tricky, but its actually quite simple. First: rearrange the pythagorean identity tan²x+1=sin²x so that it reads tan²x=sin²x-1 Then replace the tan²x in the original ...
May 16, 2007

pre-cal
Find the EXACT VALUE of csc(-11pi/12) If that angle is in radians, it is easy. A full circle has 2PI radians...or 360 deg so 22PI/24 is the same as 22*15 deg, or -30 deg. The 30 deg triangle is well known. The sin is 1/2, so the csc is 2 Figure out the sign of the csc from ...
May 16, 2007

algebra
given two containers, one holding 4 gal. and the other holding 3 gal. how does one measure out two gal.? Fill the 3 gal, pour it in the 4 gal. Fill the 3 gal, then pout it int the 4 gal until filled. How much is left in the 3 gal? thank you bobpursley!!!!!!!!!!!
April 26, 2007

Finance/Math
1. Present Values. Compute the present value of a $100 cash flow for the following combinations of discount rates and times. a. r = 8 percent. t = 10 years b. r = 8 percent. t = 20 years c. r = 4 percent. t = 10 years d. r = 4 percent. t = 20 years 2. Future Values: Compute ...
March 19, 2007

English
help me pls.. How the puritans were different from the people of the Revolutionary period? WHo coined the phrase "There are many times that try men's souls"? Who felt God was on the colonists' side and would help them win the war? the choices fo WHO questions...
December 14, 2006

english
i've just read "The Crisis" and i can't answer the questions.. i don tget it... 1. Which passages in the excerpt of "The Crisis" no. 1 were especially stirring? 2. The phamplet opens with two famous images. What kinds of people does paine identify ...
December 3, 2006

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