Wednesday

November 26, 2014

November 26, 2014

Total # Posts: 251

**Math**

Use the formula x = negative b, plus or minus the square root of b squared minus four ac, all of which is divided by 2a. Formula: [-b+/-sqrt(b^2-4ac)] / 2a
*November 22, 2008*

**2nd grade**

Time machine.
*November 22, 2008*

**physics**

heat = mCpTsub(f-i) 609 J = (1.2kg)(4184 J/kgC)(Tf - Ti) [609 J/ [(1.2kg)(4184 J/kgC)]] -5C = Tf Tf = -4.87... degrees C. for part A For Part B: Use the same equation, except multiply heat by 3. Solve for the new mass, then divide that mass by the old mass (1.2kg) to get the ...
*November 22, 2008*

**chemistry**

I disagree with Dr. Russ's method. Use PV=nRT, where P=2.3atm, V=120L, n= unknown moles, R= .08205, T=340K. Solve for n to get 9.9 mol gas. Without significant figures, n=9.893536939.
*November 21, 2008*

**phisical science**

what are the general properties of an acid an a base
*November 5, 2008*

**science**

a protist kingdom are animals which have mostly one cell, microorganisms and reproduce by splitting in two. Animal kingdom are animals which have many cells and reproduce with eggs thay either grow inside the body or outsidethe body
*October 13, 2008*

**algebra**

The number of students attending the fall play was 150 more than the number of adults attending. Students tickets cost $3, and adult tickets cost 45 . A total of $4730 was collected. How many students attended the play? this is what i have, but i need help on the equation. let...
*October 13, 2008*

**7th grade pre algebra**

What is the difference between bar graphs and histograms.
*August 27, 2008*

**science**

I am trying to find out about the internal organs of the mealy bug and a drawing of a male and a female
*May 18, 2008*

**Math**

What is the length of the longest rod that can be placed in a hollow cube of side 10 feet? in this problem we are supposed to use Pathagorem Theorm.
*May 8, 2008*

**Algebra II**

1. -7
*May 4, 2008*

**Math**

How do you a equation like: 4x + X +2(42-6)-23 + 5x =81 _ 2
*May 3, 2008*

**math**

An isosceles triangle automatically has 2 equa; sides. So if you can fin the length of the sides then that will prove that they are equal.
*April 17, 2008*

**geometry**

1. Find the area of the square. 2. Find the area of the circle. 3. Subtract the area of the square-area of the circle.
*April 17, 2008*

**English grammar**

I think the first and third one are correct.
*April 16, 2008*

**math**

I think, but i'm not sure that it is 700,000
*April 15, 2008*

**algebra**

You plug in one value as 'x' to find 'y'. or vice versa. ex. y=2x I will use 1 for x 2*1=2 so, y=2 WHen you plot this on a graph you plot it as (1,2). 1 being on the x-axis, and 2 on the y-axis.
*April 15, 2008*

**Biology**

Kingdom
*April 15, 2008*

**algebra**

also you can first find y in the equation(s), and then find the slopes, and finally multiply the slopes.
*April 15, 2008*

**algebra**

Perpendicular lines are lines that intersect to form a 90 degree angle. What is the equation you are doing?
*April 15, 2008*

**Math**

x+2 x+2 --- Divided by --- x-5 x-1
*April 15, 2008*

**math**

solve x-3y=9 3x+y=7
*April 15, 2008*

**math**

ok. but how would you write an equation for that?
*April 15, 2008*

**math**

If a bottle and a stopper cost $1.10. How much does the stopper cost.
*April 15, 2008*

**math**

If a bottle and a stopper cost $1.10. How much does the stopper cost.
*April 15, 2008*

**math**

yes you are correct
*April 15, 2008*

**French**

What is a reseau sementique
*March 25, 2008*

**Calculus**

I'm not sure how to solve the equation 5^x-12*(5^-x)-1=0
*March 23, 2008*

**algebra**

gc monitor
*March 11, 2008*

**Math Linear Programming**

I need to find out the constraints and the variables so that I can input and solve in excel or management scientist. I don't know how to configure this information, can someone help me? Tots Toys makes a plastic tricycle that is composed of three major components: a ...
*February 26, 2008*

**the novel**

After having lived with her for a year, Chad studied Marilou's eyes across the table, realizing he had never had a clue about what make her tick." This sentence from a hypothetical novel suggests what kind of narrative voice
*February 20, 2008*

**chemistry**

I am a gc monitor.
*February 19, 2008*

**chemistry**

Luly, This is a gcu question, right?
*February 19, 2008*

**chemistry**

luli, we are suppose to figure this out on our own!
*February 18, 2008*

**Math- consecutive intigers**

-10,-9,-8,-7,-6,-5,-4,-3,-2,-1.0,1,2,3,4,5,6,7,8,9,10
*February 18, 2008*

**Jeremy: read this**

sorry
*February 7, 2008*

**Algebra**

what is n? 3 n -+- =2 8 4
*February 7, 2008*

**Math**

The answer is 224
*February 7, 2008*

**Algebra**

How do I solve this: 3 n - + - =2 8 4
*February 7, 2008*

**7th grade geometry**

define volumen .define surface area.how i find the surface area of the prism?
*January 28, 2008*

**science**

What kind of streams form v-shaped valleys? Streams that are first forming,streams that move slowly, streams that have meanders?
*December 6, 2007*

**American History**

What were the causes of the war of 1812?
*November 14, 2007*

**Math**

can someone please explain to me how to do place values ant the powers of ten
*August 23, 2007*

**Science Check**

would it be 55
*March 9, 2007*

**Chemistry**

Can Someone explain the physical properties of metals, using the theory of metallic bonding There is a lot of reading here, most of it not what you are looking for, so scroll down ABOUT half way and you will come to a paragraph that explains conduction of metals as the metal ...
*November 16, 2006*

**Science**

You would end up with a cell that contained more than one nucleus. This is because all the nucleur material will be split but the cytoplasm wasn't.
*November 5, 2006*

**prokaryotic/cells**

We just got through with a lab and we looked at ecoli, anabaena. There first section is prokaryotic cells and the question is did all living cells you saw in the lab contain mitochondrion. I know mitochondrion is the energy powerhouse of the cell but see nowhere in the first ...
*October 1, 2006*

**math (algebra)**

Hi. At the sit for mcgraw hills algebra 1 book (website URL is obvious), but don't have a name or password! Could somebody please lend me theres? post it here! Viit Viit! Your teacher needs to register you. http://www.glencoe.com/sec/math/ose/index.html
*September 7, 2006*

**social studies**

does anybody know a city or town that starts with x? world-gazetteer . com My student atlas shows several towns beginning with X -- including: Xankandt, Azerbaijan Xenia, Ohio, U.S. Xiaguan, China Xichang, China
*June 15, 2005*