# physics please HELP !

127,101 results, page 94

### math

factorise 1-16(1-y)^2 please help me

### To Drbob222

Please help me on my question thanks

### Math

(1/25)-3/2 please solve this q

### Algebra 1--Please, help me!

Mulitply ((n-5)/(n^2 - 2n -3)) / ((n-3)/(n^2 -4n - 5)).

### geomerty

please calculate 7/4 x 40

### Math

what does [-8 4] equal ? -3[ 0-1] [ 6 3] How do I do this ? Help please

### Algebra

Please help me simplify y^3x^6/y^5x^4

### Algebra

How do I factor this, Please help me.9w-w^3

### Algebra

How do I factor this, Please help me.9w-w^3

### Algebra

3x^2+5x=x^2 please help me solve for x.

### equations

3/16 * N = 24? What does N equal please help!

### Algebra 1

evaluate -3 - (-4)= ?? Please help

### HELP IN SCIENCE ASAP!!

PLEASE HELP!!

### To : bobpursley

Please could you help me on my question:)

### Math Help!!

Someone please help.

### equation

x 12 - = - 4 46 What does X equal? Please help me

### Math

Please check 15/16 x 2/3 = 5/8

### Math

Please check 2/5 + (-7/8) = -6

### Lera

4.2%x = 2.5 Please explain how to do this ^^ Thanks

### can someone help me with biology

please

### P.E. help please

What is 45% of 10? A. 450 B.45 C.4.5 D.0.45 Is the answer C?

### Algebra PLEASE Help

3(4 - 2x) - -2x SHow how you did it?

### Algebra Help please?

what is the value in "x" in 16^2 = x

### science

I need help Please!!!

### HELP ME PLEASE

equation: simplify -1(-a)^2 + (-(-a))^2

### maths help please

Solve for x A. 1/x(6x^3+5x^2)=21 B. X/2+6=-10/x C. X+6=[x+12]^2

### Math

(3^2+(8/4+4^2)) Could you please help me with this problem???

### math

Please check -27=8x-5x -27/3=3x X=-9

### Math questions

Please Help me! What is 8 3/4 - 5 5/6 =?

### Algebra help please

Let f(x) = x + 2 and g(x) = x2 Find ( g o f)(-5) A. -3 B. 9 C. 49 D. -10 B?

### you skipped me???

Can you please help me Ms. Sue?

### math help please!!

What do I do with this?? 3^3/3^6 A.1/27 B.1/9 C.9 D.-27 What do I do to solve this?? Thanks

### Math

If f(x) = 0.5(2 x), what is the value of f(2)? A. 0 B. 0.5 C. 2 D. 4.5 please help me.

### Alegebra

Please solve. 7(w+2)/12 = 2(w-7)/6

### Algebra

PLEASE SOLVE. 9Y/7 =12(Y-2)

### Algebra

Please simplify. 1.) (c^-3)^2d^4/d^-2= 2.)(e^4)^-3f^-5/f^-2= 3.)(8^-7/8)^-2= thank you. :)

### math

please solve x- 11/21= -10/21

### Geometry

Can I please get some help? by+2/3=c, for y

### Precalc

j(x)=3/4x-1 j(?)=3 May someone please help me?

### Algebra

(x+5)^2 -(x-5)^2= Simplify. Help please :)

### Math

Please help me with this 12x = -8 -15 = -3x/5 x -2/3 = 3/8 Thank you BJ

### Math

Please solve: t/2 + t/6 = 2.

### MATH

how do you factor: a^3-b^6 ??? please help!

### algebra

T=3u/e for u can someone please help

### Math

What is 12 1/9+10 2/3? I need help please!;]

### Urgent Math! Please Help!

2^-4 = -2 * -2 * -2 * -2 =16

### math please help

What is the value of x? -5x=-35 x=

### Math

15-4(a-5) If a=8 Simplify this please :)

### Math

Please help me. 1/3% of 480=

### Maths

What is x^3-2x^2+16 divided by x+2 Please help

### Maths

What is x^3-6x^2-x+30 divided by 4x-1? Please help x

### math

2.08*10^-8=(9*10^9)(1.6*10^-19)^2/d^2 please solve for D

### English

I don't get what a protagonist is... Please help.

### math

Please help solve 0.3x -1=0.2

### algebra I

Please help with this problem -38=-4k-8+4k-28 -38=k-8-28 -38=k-36 -36 -3-74=k

### p

Please help me with all steps -5y-5(-6-2y)=0

### Algebra

Can anyone help me to solve this please: 1) m/16 - 9 = -8 2) -9 + n/4 = -7 3) p/4 + 8 = 7 4) b + 11/3 = -2

### MATh

42/9+31/3 simplify... help please

### rosa

4 2/9+3 1/3 simplify... help please

### math 21

xy-x+y=0 please answer this for me

### math

14. Let f(x) = -2x - 7 and g(x) = -4x + 3. Find (f o g)(-5) A)23 B)-53 C)-9 D)3 please help!!

### Math

5x - 3 = 7x + 11 x=-4 3w -4 = w+8 w =6 Please check. Thanks

### Math

(-1.15) x 3.2 = Please explain.

### Math HELP!

[(82 – 4) – 6] ÷ 6 = EXPLAIN please

### French class

please help!!

### Algebra

6= x+2/3 help me solve this please

### Math

What is the solution to 5q=-75? Please Help

### Math

|x - 8|- 15 = -6 How do I solve this.. Please don't do it for me..

### Math

-1/2 + 1/3= A.-1/6 B.-1/3 C.2/3 D.1/6 -3 5/1 + (-6 1/2)= A.-3 2/7 B.-3 7/10 C.-9 2/7 D.-9 7/10 5/8 -(-2/8)= A.-3/8 B.-7/8 C.3/8 D.7/8 -9/10 - 2/5= A.-1 3/10 B.-1 1/10 C.-7/10 D.-5/10 6 3/5-(-2 1/5) A.-8 2/5 B.-4 2/5 C.4 2/5 D.8 2/5 SOMEONE PLEASE HELP ME!!!

### Economics-Macro

Help please?

### *** MATH, PLEASE HELP!

Solve 5x^-5/x^-4x+3. THANK YOU!

### Math

Expand (3+i)^5, where i^2=-1 (3+i)^5=? Please and thanks.

### MATH

Please solve 6/2(1+2)= 1

### Algebra

3x^2 + 6 - 2x + 5x - 4x^2 + 9 NEED HELP PLEASE

### MATH HELP ASAP PLEASE!!!!!

4x > 1.2

### Math

If 2(5-8)^2 + 3(6+2)= 7x, what is the value of x A-- 2^2+1 B-- 3^2 -3 C--2^2 +3 D-- 2^3 E-- 3^2 Help please!!

### math

-8y+3(g+h) - -5y-4(g+h) With solution please. Thank you!

### physics

Hello I'm having trouble with this physics question: You are examining the loss in intensity as light passes through a fibre optic cable. The input intensity is measured as 55.1 W/m2 and the output intensity as 28.7 W/m2. Calculate the attenuation of the signal in decibels (dB...

### physics (please check work)

A force of 10N holds an ideals spring with 20-N/m spring constant in compression. The potential energy stored in the spring is: I obtained the answer of 10J. I got thatk= -F/x --> the potential energy of the spring = 1/2kx^2. 10J= 1/2(20N/m)(X)^2. Is that right, i'm not ...

### Physics repost

A wave traveling in the +x direction has an amplitude of 0.45 m, a speed of 6.1 m/s, and a frequency of 16 Hz. Write the equation of the wave in the form given by either Equation 16.3 or 16.4. (Answer in terms of t and x. Assume standard units.) For Further Reading Physics - ...

### Algebra II

I don't exactly understand what needs to be done in this problem. Could someone please explain what I am supposed to be doing a bit clearer than the book? Four jobs need to be done, and four workers are available. The chart shows how long each worker takes to complete each job...

### Physics

two students working on physics assignment to find out how far window is from the roof of a building drop a ball over the edge of the roof the ball takes .1 seconds to travel from the top of the window to its bottom of a distance of 1 m assume the acceleration of gravity to be...

### Physics

please check these answers for me When an object is moving with uniform circular motion, the centripetal acceleration of the object a. is circular b. is perpendicular to the plane of motion c. is zero d. is directed toward the center of motion D What is the term for the net ...

### Physics

there's three parts, i keep getting these wrong please help. A set of crash tests consists of running a test car moving at a speed of 11.8 m/s (26.4 mi/hr) into a solid wall. Strapped securely in an advanced seat belt system, a 59.0 kg (130 lbs) dummy is found to move a ...

### chem/some1 check my work plz.

2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are formed, what is the % yield of nitrogn gas?? please check if is ...

### Physics

Do Newton's Law apply to motion inside your car? A.Yes, but only when at rest. B.Yes, but only when traveling at constant velocity or at rest. C.No, never. D.Yes, always. So I tried answering the question with D at first because I was thinking that it is a car in motion so ...

### 6th Grade Math Help & FAST!!!

I only have 2 questions. 1 is multiple choice and one I have to type so please help. 1. Which set of output values correctly completes the function table? This is the function table: y= 2x - 4. Input (x) 6, 2, -4. Output (y) those three slots all have question marks. A. 8, 2...

### Universe and the Stars-Please Check

Give 2 reasons y elliptical galaxies are considered to be older & more evolved than spiral galaxies. They are considered to be older because they have little instellar matter and because they rarely form new stars like the other galaxies do. They seem to be more evolved than ...

### Econ 220

Suppose we have the following market supply and demand schedules for bicycles: Price Quantity Demanded Quantity Supplied $100 70 30 $200 60 40 $300 50 50 $400 40 60 $500 30 70 $600 20 80 a. Plot the supply curve and the demand curve for bicycles. (Note please don’t worry ...

### Physics / Astronomy

Here is my question: Consider the bending of light by the gravitation of the Sun as described by Newtonian physics. Light of frequency f passes at a distance d from the center of the Sun, which has a mass M. Show that the bending angle of the light is proportional to M/d. I'm ...

### Chemistry Need help ASAP

A proposed mechanism for a reaction is: (i) A + B2 = AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 = ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 = AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = -7.8 kJ/mol a) Which is the rate determining step? Explain why. (ii) It ...

### Chemistry Need help ASAP

A proposed mechanism for a reaction is: (i) A + B2 = AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 = ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 = AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = -7.8 kJ/mol a) Which is the rate determining step? Explain why. (ii) It ...

### Physics Please check my answers

It's possible for a body to have both rotational and translational motion at the same time. True. << False. 2. The moment of inertia of an object would be different on the surface of the earth than on the surface of the moon. True. << False. 3. The moment of ...

### math (pre clac)

so its this picture of a rectangle inscribed in a circle. the circle has a radius of 2. the vertexes of the circle are present in every quadrant, but you cant tell exactly whgat point they represent. point Q (x,y) is the vertex of the rectangle in Quadrant I and is on the ...

### Math - Calculus

Find the equation of the non-vertical asymptote. What is the smallest value of x at which f(x) intersects its? -6x^3 + 2x^2 - 9x +3 / -5x^2 +9x - 4 1)Find the equation of the non-vertical asymptote. 2)What is the smallest value of x at which f(x) intersects its non-vertical ...

### Science

What are the properties of plasma? I brought home the wrong school book and of course I forgot what the properties were. Thanks loads for the help. http://en.wikipedia.org/wiki/Plasma_(physics) Thanks a lot, it really helped. Next time Iwill pay attention to which book I grab.

### physics

A) A ball is thrown vertically upward with a speed of 27.6 m/s from a height of 1.9 m. How long does it take to reach its highest point? The acceleration of gravity is 9.81 m/s2. Answer in units of s B) How long does the ball take to hit the ground after it reaches its highest...

### Graph problems!!!

Ok. so i'm supposed to find the coordinates of a line using the slope intercept method but i don't understand it!!! can some one PLEEAASE help me? also i'm supposed to graph a line using the same method and they give me the coordinates oly its in an equation form that i need ...

### science

An area in your state has been flooded due to heavy rains. How might scientists from the three main branches of science interact in their study of the flood, its effects, and how future flooding might be controlled? OK, I will bite: What do you think the three main branches of...