Saturday

April 30, 2016
Total # Posts: 1,040

**EDITING**

Conrad Beach and its forest site it is a good example of an area that has undergone primary succession. The first step of the process of the primary ecological successions that have occurred at Conrad Beach is that mostly grass and some herbs and mosses were the first plants ...
*October 24, 2007*

**Biology**

what ecological changes would occur before a primary succession site is capable of sustaining a white spruce forest?? i understand what primary succession is...
*October 23, 2007*

**math, economics, game theory**

400
*September 10, 2007*

**government**

what does confederate system of the governemnt mean
*September 5, 2007*

**social studies**

Main Entry: primary source Part of Speech: n Definition: an original fundamental and authoritative document pertaining to an event or subject of inquiry; a firsthand or eyewitness account of an event Main Entry: secondary source Part of Speech: n Definition: any document that ...
*September 4, 2007*

**Algebra 1**

How do you find the area of a triangle using Polynomials?
*August 28, 2007*

**linear algebra**

i need help
*July 19, 2007*

**physics**

a force of 10 N holds an ideal spring with a 20-N/m spring constant in compression. The potential energy stored in the spring is..? 0.5J, 2.5J, 5.0J, 10J, or 200J? POtential energy? Wouldn't it be 1/2 kx^2, but x= F/k, so 1/2 kx^2= 1/2 k*F^2/k^2 and that can be reduced.
*May 2, 2007*

**math**

The length of a rectangle is 2 times its width and its perimeter is 42 cm. A ssquare is formed by putting together 2 rectangles like this. Find the length and width of the edge and the area of this square. "A ssquare is formed by putting together 2 rectangles like this.&...
*April 14, 2007*

**Chemistry**

How many moles of propane are expected from the complete reaction of 82.8 g of propene? How many grams of propane are expected from the complete reaction of 101 g of propene? Kyle-- Here is a problem I worked last night for Kira (about half way down the page). It should give ...
*April 5, 2007*

**chem**

a 45.8mL sample of a 5.8 M KNO3 solution is diluted to 1.00L. What volume of the diluted solution contains 15.0g KNO3? how do you do this? moles of solution: 5.8*.0458 moles Grams of solute= moles*molmassKNO3 Volume of 15g= 1000ml*15/gramssoluteabove
*April 5, 2007*

**7th Grade Poetry**

what poetic term is "a quarrel of vines"? Thank you! That could be a metaphor Thank you so much for your help!
*April 3, 2007*

**7th Grade Poetry**

Is "a bark of rust" a metaphor? I need to analyze the poem New Hampshire by Donald Hall and the line I'm having difficulty with is: "a bark of rust grows on the tree of a gas pump;" Thank you! yes, that could be a metaphor
*April 3, 2007*

**7th Grade Math**

Please help - I don't know where to begin. My problem is this: Find the numbers "Y" and "Z" if (1 and 3/5 times "Y") + (3/5 times "Z") = 5 AND (1 and 3/5 times "Z") + (3/5 times "Y") = 6. Thank You! change 1 and 3...
*March 22, 2007*

**Math**

Solve the compound inequality -1 < X - 2 LESS THAN OR EQUAL TO 7 Your problem: -1 < x - 2 ≤ 7 Add 2 to all three quantities to get x by itself: -1 + 2 < x - 2 + 2 ≤ 7 + 2 1 < x ≤ 9 Solution set can be expressed this way using interval notation: (1...
*March 20, 2007*

**Chemistry**

A mixture of chromium and zinc weighing .362 g was reacted with an excess of hydrochloric acid. After all the metals in the mixture reacted 225 mL of dry hydrogen gas was collected at 27 C and 750 torr. Determine the mass percent Zn in the metal sample. [Zinc reacts with ...
*March 4, 2007*

**math, algebra,correction & help**

1/7 1/3
*February 23, 2007*

**social studies**

what was the material that was used to make portrait masks in ancient egypt cartonnage
*February 21, 2007*

**Spanish**

i want spanish
*February 14, 2007*

**Math**

A golfer hits a ball off the ground with an initial velocity of 200 ft/s at an angle of 23 degrees. The green is 750 feet away. Will the shot make it to the green? State by how much it makes or misses the green. What is the vertical velocity? 200*sin23. ANSWER So how long will...
*February 4, 2007*

**Math**

A golfer hits a ball off the ground with an initial velocity of 200 ft/s at an angle of 23 degrees. The green is 750 feet away. Will the shot make it to the green? State by how much it makes or misses the green.
*February 3, 2007*

**U.S. History**

The "executive privilege" that relates to the right of the president to keep communications confidental is best described a/an: 1. power that is only applicable to matters of national security. 2. absolute power that applies to all communications that a president ...
*January 23, 2007*

**U.S. Government --Need Help!**

The "executive privilege" that relates to the right of the president to keep communications confidential is best described a/an: A. power that is only applicable to matters of national security. B. absolute power that applies to all communications that a president ...
*January 22, 2007*

**Chem!??!?!?!?**

Is it possible for a cup of water to completely evaporate in a room with a constant temperature of 21ºC??? Yes, of course. Why would you think it would not? A wet towel will dry, right? but why is that? The Kinetic Molecular Theory, distributed velocity /energy in ...
*January 22, 2007*

**U.S. Government**

A/An__________ is a citizen who is involved in the political process and only supports canidates who want to enact laws that would allow prayer in public schools. Is this a candidate activist or a issue activist? I'm thinking this is an issue activist, am I correct? I ...
*January 21, 2007*

**U.S. Government--Need Help !**

I have this question on an assignment and I need help. Many believe that political parties are incapable of serving as an avenue for social progress because: A. party positions change so frequently. B. the leaders who draft party platforms are generally out of touch with the ...
*January 21, 2007*

** U.S. Constitution**

Which statement best describes how states derive powers from the U.S. Constitution? 1. The Constitution does not mention anything about state powers. 2. The Constitution only grants states the power to levy taxes and regulate commerce. 3. The Constiution grants states all of ...
*January 19, 2007*

**spelling**

what is boil soil :: goat
*January 16, 2007*

**math correction**

write 5760 as a product of primes
*January 9, 2007*

**Biology**

What are some analogies for Endoplasmic reticulum and Nuclear Reticulum Go here for endoplasmic reticulum http://www.google.com/search?as_q=&hl=en&num=10&btnG=Google+Search&as_epq=Endoplasmic+reticulum+is+like&as_oq=&as_eq=&lr=&as_ft=i&as_filetype=&as_qdr=all&as_nlo=&as_nhi=&...
*December 30, 2006*

**Health**

I need a 14 letter word, the 4th letter is an o for a crossword puzzle that is a drug that slows down body functions, including breathing and brain activity. Thanks Thank you for using the Jiskha Homework Help Forum. Hopefully, you are looking for: chlorpromazine
*December 16, 2006*

**algebra 1**

I'm stuck on this problem. Can you help? -4x-9y=1 -x + 2y =-4 WHat is x and y? Two equations in two unknowns. Here is a quick way to solve them -4x - 9y = 1 4x - 8y = 16 (I got that my multiplying both side so the secind equation that you provided by -4) Now add the two ...
*December 5, 2006*

**math**

if a 13 by 9 inch brownie pan is divided into 20 equal size brownines, what are the dimensions of one brownie? Divide 13 by 5, and 9 by 4 To get the dimensions. 13 divided by 5 is 2 3/5 9 divided by 4 is 21/4 please explain or show equation in fractions
*November 29, 2006*

**Chemistry**

Hi, I am having trouble determining the correct answer for this question. Which one of the following decay modes has not been observed? A)neutron emission B)Positron emission C)Alpha emission D) electron capture I don't know what does it mean be "observed." If I ...
*November 25, 2006*

**english**

how was chillingworth injuring dimmesdale without inflicting any physical injury? Was it mental torture? Did Dimmesdale suffer (mental) agony? NO
*October 26, 2006*

**Algebra**

Factor m^2-k^2+6k-9 ^2 means squared. The answer is (m-k+3)(m+k-3) I want to know how to get that. Thanks. Look at this: m^2 - (k^2 -6k + 9) m^2 - (k -3)^2 Now that is the difference of two squares... Thanks!!
*October 9, 2006*

**Algebra**

Factor m^2-k^2+6k-9 ^2 means squared. I don't know any other way to type it. Thanks. Seems to me you can only do this in 2 pieces...factor the first 2, then the last 2... (m+k)(m-k) + 3(2k+3) Whadya think? hmmm... I looked in the back of the book and it says... (m-k+3)(m+k...
*October 9, 2006*

**Algebra**

Factor 2ab(c-d)+10d(c-d) I would like to know how to do this. Thanks. (c-d) is a common factor, so you pull it out: (c-d)(2ab + 10d) Oh, then you can pull a 2 out: (c-d)(2)(ab + 5d) Thanks! you're welcome!! What do the letters stand for tell me @ I will tell you the answer...
*October 9, 2006*

**hydrocarbons**

hi I am learning about Hydrocarbons, and naming them is there any steps I shoul follow when naming them becuase I honeslty don't understand! thanks for your help!!!1 First of all you should know that rules govern the IUPAC system. I would learn that system since everyone ...
*June 16, 2006*