Saturday

October 25, 2014

October 25, 2014

Total # Posts: 195

**algebra 2**

5^2x=3
*April 4, 2010*

**computers**

How does a computers benefit from having all in one computer security systems installed?
*March 14, 2010*

**Trigonometry**

I can't remember what formula to use for these. Note- the X's may be replaced by a theta symbol. I just didnt have one on my keyboard. Use the given information to find sin2X, cos2X and tan2X if 0< X <pi/2 1. sinX=12/13 2. cosX=3/5 3. tanX=2/3
*January 11, 2010*

**Science**

What kinds of animal cells might have a lot mitochondria present?
*January 7, 2010*

**math**

589
*December 4, 2009*

**san jac**

Who claimed that our subjection to pain and pleasure should be the foundation for our laws?
*November 18, 2009*

**math**

DO THE NUMBERS HAVE TO BE DIFFERENT??? BAILEY
*October 20, 2009*

**math**

OK thank you!!! Bailey :)
*October 20, 2009*

**math**

compare these decimals by choosing greater then, less then, or equal to. 0.205 and 0.21 0.04 and 0.050 0.41 and 0.405 0.1 and 0.1000 Thank you, BAILEY
*October 20, 2009*

**elementary social studies**

natural,capital and human resources are called the factors if what?
*October 6, 2009*

**Maths Differentiation**

Hi, please help! How do i do this? differentiate (2ax^2 + bx)/(bx^3 - cx)
*June 19, 2009*

**trig**

Is your question evaluate a given that log4/loga=0.321? if that's the case, then the answer is wrong.
*June 17, 2009*

**maths inequalities...**

Find the range of values of k for which the expression x^2 -4x + k will be positive for all real values of x. Hence state the range of values of x satisfying the inequality x^2 -4x + 7 > 0. For the first part, this is what i did: (-4)^2 - 4(k) > 0 k<4 but how do i do ...
*June 16, 2009*

**weird maths sum!!**

The questions is simply: Find the range of values of x for which x(2-x)<-15 This is what i did: x(2-x)+15<0 2x - x^2 + 15 < 0 -x^2 + 2x + 15 < 0 (x+3)(-x+15) < 0 -3<x<5 but when i check by subbing the number, say, 4 into x, the answer is always greater ...
*June 16, 2009*

**algebra story problems**

You have a metal plate that you have drilled a hole into. The entire area enclosed by the metal plate is given by 5x^2 = 12x + 10 and the area of the hole is given by x^2+2. Write an expression for the area in factored form of the plate that is left after the hole is drilled.
*May 5, 2009*

**ALGEBRA 1**

I need to simplify a rational expression. 2xsquared+11x-6/x+6
*March 4, 2009*

**Science**

I agree that the answer is A
*March 4, 2009*

**Anatomy and Physiology**

What process describes how a signal travels from one end of a neuron to the other end? A. Membrane excitability B. Neurotransmitter release
*February 21, 2009*

**Anatomy and Physiology**

I think B (both) but I'm not sure if it's a trick question, that why i asked
*February 21, 2009*

**Anatomy and Physiology**

A 63-year-old man has become progressively hard of hearing. He's a retired airplane mechanic. He also notices a lot of wax in his ears. What kind of hearing loss is this man likely to have? A. Conductive B. Conductive AND sensorineural
*February 21, 2009*

**Anatomy And Physiology**

A 63 year old man has become progressively hard of hearing. He's a retired airplane mechanic. He also notices a lot of wax in his ears. What kind of hearing loss is this man likely to have? A. conductive B. conductive AND sensorinueral
*February 21, 2009*

**Anatomy And Physiology**

Chromosomes can be seen only during: A. active transport B. cell division c. meiosis D. neutralization
*February 21, 2009*

**History**

where can I find a brief summary of what was going on in Poland in 1893?
*January 13, 2009*

**English**

What part of speech is has passed?
*November 19, 2008*

**physics**

object has mass of 2 kg and weight in water of 15N. Object is immersed in water adn sinking. whats the net force? whats the acceleration? what distance did it sink after 3 sec? explain please!
*October 30, 2008*

**physics**

density of silver is 10.5 X10^3 kg/m^3. find the volume occupied by 2X10^4 g of silver. calculate the force of gravity acting on the mass.
*October 27, 2008*

**physics**

thanks
*October 26, 2008*

**physics**

tad drops a cherry pit out the car window 1 m above the ground while traveling down the road at 18 m/s. a.how far, horizontally, from the initial dropping point will the pit hit the ground? b. if the car continues to travel at the same speed, where will the car be in relation ...
*October 26, 2008*

**physics**

density of silves is 10.5 X 10^3 kg/m^3. find the volume occupied by 2 kg of silver.
*October 26, 2008*

**physics**

an object of mass 10kg is dropped from a 20 m cliff. what is the velocity just before the object strikes the ground?
*October 26, 2008*

**physics**

thanks!
*October 22, 2008*

**physics**

projectile is launched horizontally from edge of cliff 20 m high with an initial speed of 10 m/s. what is the horizontal distance the projectile travels before striking the level ground below the cliff? what formula do i use?
*October 22, 2008*

**science**

how can a solution be separated?
*October 5, 2008*

**science**

trace the energy transformations from a radio signal to the music you hear
*September 23, 2008*

**Accounting**

Determine the profit margin with the following; Income tax expense: 139,200 Sales: 1,348,000 Selling expense: 383,100 Interest expense: 5,800 General and administrative expenses: 369,990 Earnings per share: $2.97 Stockholders equity: 549,000
*August 1, 2008*

**math**

IA operates 5 days per week with a daily payroll of $4,000. Employees are paid every Saturday for the workweek just cmpletes (Monday through Friday) The last day of the month is Wed., March 31. What is the amount of the wages expense recorded on the next payday, Sat. April 3?
*August 1, 2008*

**Math**

I don't get this question on my homework... In a class of 28 sixth graders, all but one of the students are 12 years old. Which two data measurements are the same for the student's ages? What are those measurements? So can u help me understand it... because to me it ...
*July 16, 2008*

**Algebra**

For the first one, would I take 3/9 times 2/8 because there is a 3/9 chance of picking a blue sock, but then after picking out one, there is only a 2/8 chance. So the answer for 1 is 6/72 ???
*June 2, 2008*

**Algebra**

You have a very messy sock drawer with 3 blue socks, 5 black socks, and 1 white sock. You pick two socks from the drawer. You pick a second one without replacing the first one. Find each probability. 1) Probability of picking 2 blue socks 2) Probability of picking black than ...
*June 2, 2008*

**Math please check answer**

umm, i actually got x=4. i will show you how i did it.. 9(2x-18)=36 9(2x-18+18)=36+18 9(2x)=54
*May 18, 2008*

**Nutrition**

What are Avocados good for?
*February 18, 2008*

**English**

I believe so!
*January 30, 2008*

**biology: the study of life**

I have this work sheet IN my hand... :0
*January 27, 2008*

**Math HELP please**

the square root of 24? okay, find two factors of 24, like 6 and 4. six hads no square root so it stays in the radical, and the square root of 4 is two, so it goes outside the radical. so the answer is 2times the square root of 6.
*January 13, 2008*

**Latin**

I need to create a modern interpretation on Horace's ode 1.9, but I don't know what to write about. If anyone could help me I would be grateful.
*January 13, 2008*

**Pre- Algebra**

-1/7g + 5/6g=9 You just solve for g...
*January 12, 2008*

**Environmental**

environmental sustainability
*December 11, 2007*

**math!**

how do yuo do lcm i know i did it in like 1st grade but i need helpp!!
*December 10, 2007*

**Eth 125**

How can the country best prepare for the changing race an ethnicity of its current and future citizens?
*December 5, 2007*

**Science**

What does chromatin do in a cell
*November 16, 2007*

**Critical Thinking**

you have all of the othet things right but i am not so sure what the contrapositive would be
*November 16, 2007*

**Pre- Algebra {kinda}**

the denominator of 13/107 {fraction}in simplest form....
*October 22, 2007*

**Writing...**

Is this a good opening paragraph for the subject "What is an American?" my teacher isn't picky... start: What is an American? There is no right or wrong answer. Some people may think that Americans are selfish or uncaring. Other people may think they are ...
*October 22, 2007*

**Obesity**

well I know for sure it isn't A or B ..I think it is D
*October 22, 2007*

**algebra**

do you have to simplify it?
*October 22, 2007*

**Science**

Can someone explain to me homeostasis? I looked it up but I couldn't figure it out.
*October 21, 2007*

**Social Studies**

thank you soooooo much!
*October 21, 2007*

**Social Studies**

does anyone have a good website for the Neolithic Age?? {new stone age} thanks
*October 21, 2007*

**Askk**

The world's tallest man is a human.....
*October 21, 2007*

**Pre- Algebra**

it is just the denominator....
*October 17, 2007*

**Pre- Algebra**

the denominator of 13/107 {fraction}in simplest form....
*October 17, 2007*

**Alegbra**

do you know what the variable equals?
*October 17, 2007*

**SCIENCE**

thanks!!!!! and yes I am doing a crossword puzzle.. I only need 3 more and they are VERY hard
*October 14, 2007*

**SCIENCE**

i need a 14 letter word for a scientist that studies fossils....
*October 14, 2007*

**science**

thanks
*October 13, 2007*

**science**

does ab anthropoid still exist today????? [type of ape thing]
*October 13, 2007*

**science**

i need a 9 letter word for "structures that have no use
*October 13, 2007*

**SCIENCE**

thanks!
*October 13, 2007*

**SCIENCE**

i need a 10 letter word for "all the members of a species that live in the same space
*October 13, 2007*

**Science**

i also need structures that have no use...a 9 letter word
*October 11, 2007*

**Science**

nevermind!!! a 12 letter word for it...sorry
*October 11, 2007*

**Science**

What is a ten letter word for.. trees that show how organisms are related
*October 11, 2007*

**Science**

Thank you
*October 11, 2007*

**Science**

I am doing a crossword puzzle and it says the process by which new species are formed....it is a 10 letter word..
*October 11, 2007*

**Science**

1) i know is added 2)removed 3)removed
*October 11, 2007*

**algebra**

Most likely you do not have to find the value for Y...n you just have to simplify it
*October 11, 2007*

**Physics**

2 displacement vectors of 15 meters and 10 meters are combined. a.Find the magnitude of the minimum possible resultant and the angle between the vectors. b. Find the magnitude of the maximum possible resultant and the angle between the vectors.
*September 16, 2007*

**physics**

what is the resultant vector? I don't understand.
*September 12, 2007*

**physics**

A man walks 40 meters north and turns and walks 60 meters in a direction 30 degrees to the east of north. What is the distance traveled? What is his displacement?
*September 12, 2007*

**social studies**

What are three things that Paraguay, South America look like? I don't comprehend your question. Please restate it more lucidly. My teacher is making us name three items that Paraguay looks like and I can't think of anything. Can you help? You mean the shape of the ...
*April 24, 2007*

**Poetry question**

Poems that use onomatopoeia arouse the sense of: sound, touch, smell or sight? Doesn't poems that use onomatopoeia ariuse the sense of sound? I think that it is sound. It is a word that is used to create a sound effect. for example sizzle, snap sorry- I mispelled the word ...
*February 6, 2007*

**algebra**

What is the slope of a line through (-5,2) and (6,7) in the standard(x,y) coordinate plane? Sorry, I forgot the choices F.9 G.5 H.-5 J. 5/11 K. -5/11 The main reason i can't figure this out is because I can't remember the slope formula. I need the slope formula but i ...
*February 5, 2007*

**algebra**

here is a rational expression, 20+2x/5-x for what value of x is the rational expression equal to zero? 20+2x/5-x 20/5+2x-x 4+2x-x 4+x I'm not trying to solve an equation. i am trying to find the value of x in this rational expression.
*January 29, 2007*

**U.S. Government -PLEASE HELP!**

A contemporary liberal would most likely oppose a federal law created to: 1. impose the same income tax rate on all citizens 2. mandate stricter safety protections in the workplace 3. make healthcare more accessible to low-income families 4. strengthen the ability of unions to...
*January 20, 2007*

**algebra**

Factor this polynomial: F(x)=x^3-x^2-4x+4 Try to find the rational roots. If p/q is a root (p and q having no factors in common), then p must divide 4 and q must divide 1 (the coefficient of x^3). The rational roots can thuis be +/1, +/2 and +/4. If you insert these values you...
*January 19, 2007*

**algebra**

Divide (6-3i) by (2+i) I would muliply numerator and denominator by 2-i. Then it becomes much easier.
*January 18, 2007*

**algebra**

Divide (3x^3-x^2+8x-9) by (x-1) Please help! I'll show you how this works out: 3x^2 + 2x + 10 x - 1 | 3x^3 - x^2 + 8x - 9 3x^3 - 3x^2 2x^2 + 8x 2x^2 - 2x 10x - 9 10x - 10 1 Remember when you subtract, you change the signs. This did not divide evenly, so you will have a ...
*January 18, 2007*

**algebra**

find F(2) for the polynomial shown below. F(x)=(x^4)-(2x^3)+(3x^2)-(10x+3'0 Substitute 2 for x in the polynomial to work this out. Be sure to watch your signs! I hope this will help.
*January 17, 2007*

**algebra 2**

can someone please explain synthetic division to me? It's just a specialized way to divide a polynomial by a linear factor using long division. I don't see the reason why anyone would want to learn this technique, because it's just long division. If you type "...
*January 17, 2007*

**Algebra**

The area of a square garden in square feet is 49x^2-14x+1. Find the dimensions of the garden in terms of x. FActor the quadratic:(7x-1)^2 Gee, a square. the dimensions are 7x-1 on each side. FActor the quadratic:(7x-1)^2 the dimensions are 7x-1 on each side. Thats a ...
*January 9, 2007*

**algebra-Plz help**

Posted by bailey on Monday, January 8, 2007 at 8:32pm. Posted by bailey on Monday, January 8, 2007 at 2:12pm. The area of a rectangular blanket in square centimetersis 40x^2+2x-65. The width is 4x-5cm^2. Find the dimensions of the blanket in terms of x. Can someone plz help ...
*January 9, 2007*

**Algebra**

Posted by bailey on Monday, January 8, 2007 at 2:12pm. The area of a rectangular blanket in square centimetersis 40x^2+2x-65. The width is 4x-5cm^2. Find the dimensions of the blanket in terms of x. Can someone plz help with this? Do you have any more information that you are ...
*January 8, 2007*

**Algebra**

The area of a rectangular blanket in square centimetersis 40x^2+2x-65. The width is 4x-5cm^2. Find the dimensions of the blanket in terms of x.
*January 8, 2007*

**algebra help**

My class is doing a unit on the "completing the square method" which is used to solve quadratic equations. I need help understanding this method. It's not making any sense right now! I have two problems and I need to figure out which number completes the square. ...
*January 4, 2007*