Thursday

July 24, 2014

July 24, 2014

Total # Posts: 186

**Maths Differentiation**

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

**trig**

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

**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 ...

**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 tha...

**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.

**ALGEBRA 1**

I need to simplify a rational expression. 2xsquared+11x-6/x+6

**Science**

I agree that the answer is A

**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

**Anatomy and Physiology**

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

**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

**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

**Anatomy And Physiology**

Chromosomes can be seen only during: A. active transport B. cell division c. meiosis D. neutralization

**History**

where can I find a brief summary of what was going on in Poland in 1893?

**English**

What part of speech is has passed?

**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!

**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.

**physics**

thanks

**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 ...

**physics**

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

**physics**

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

**physics**

thanks!

**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?

**science**

how can a solution be separated?

**science**

trace the energy transformations from a radio signal to the music you hear

**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

**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?

**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 se...

**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 ???

**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 b...

**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

**Nutrition**

What are Avocados good for?

**English**

I believe so!

**biology: the study of life**

I have this work sheet IN my hand... :0

**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.

**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.

**Pre- Algebra**

-1/7g + 5/6g=9 You just solve for g...

**Environmental**

environmental sustainability

**math!**

how do yuo do lcm i know i did it in like 1st grade but i need helpp!!

**Eth 125**

How can the country best prepare for the changing race an ethnicity of its current and future citizens?

**Science**

What does chromatin do in a cell

**Critical Thinking**

you have all of the othet things right but i am not so sure what the contrapositive would be

**math**

They made a perfect pear

**Pre- Algebra {kinda}**

the denominator of 13/107 {fraction}in simplest form....

**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 unselfis...

**Obesity**

well I know for sure it isn't A or B ..I think it is D

**algebra**

do you have to simplify it?

**Science**

Can someone explain to me homeostasis? I looked it up but I couldn't figure it out.

**Social Studies**

thank you soooooo much!

**Social Studies**

does anyone have a good website for the Neolithic Age?? {new stone age} thanks

**Askk**

The world's tallest man is a human.....

**Pre- Algebra**

it is just the denominator....

**Pre- Algebra**

the denominator of 13/107 {fraction}in simplest form....

**Alegbra**

do you know what the variable equals?

**SCIENCE**

thanks!!!!! and yes I am doing a crossword puzzle.. I only need 3 more and they are VERY hard

**SCIENCE**

i need a 14 letter word for a scientist that studies fossils....

**science**

thanks

**science**

an*

**science**

does ab anthropoid still exist today????? [type of ape thing]

**science**

i need a 9 letter word for "structures that have no use

**SCIENCE**

thanks!

**SCIENCE**

i need a 10 letter word for "all the members of a species that live in the same space

**Science**

i also need structures that have no use...a 9 letter word

**Science**

nevermind!!! a 12 letter word for it...sorry

**Science**

What is a ten letter word for.. trees that show how organisms are related

**Science**

Thank you

**Science**

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

**Science**

1) i know is added 2)removed 3)removed

**algebra**

Most likely you do not have to find the value for Y...n you just have to simplify it

**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.

**physics**

what is the resultant vector? I don't understand.

**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?

**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 coun...

**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 ...

**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 a...

**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.

**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...

**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...

**algebra**

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

**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 rem...

**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.

**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 "...

**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 guesstimat...

**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 wi...

**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 ...

**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.

**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. ...