mamadingy

I have this question in Stats and missed the lecture! I would love to learn the correct way to figure this out, any help would be greatly appreciated!!

A sample survey interviews an SRS of 267 college women. Suppose that 70% of all college women have been on a diet within the last 12 months. What are the mean and standard deviation of the sampling distribution for samples of 267 women?

Hello! I am having a little trouble with this. I know it seems straight forward but I am having some problems! Please show me how!

x/x-2 + 3/x+2 = 8/x^2-4

Thank you!!!

Last question of the night!!!

Let f(x)= -x -1, h(f)= -x +5

find (h little circle f)(2)

Please show me what I do here!

YUCKY!!

Let f(x)=x^2 - 6 and g(x)=3x find (f/g)(3)

What the heck do I do!?

Hi I am now trying to do elimination Method!

9x+7y= - 35

4x+6y= -30

What do I Do here?

Hi! I am having trouble figuring this one out!

9x+5y= - 68

x-y= - 6

How do I figure this one out?

I have a sixty question crossword on Geology and can not get these last few!

1. Volcanic vent composed of pyroclast material (2 words) 11 letters

2.A root term used in geology to represent "a piece or fragment" 7 letters

3.The resulting explosion when a volcanic eruptions encounters seawater. 8 letters

4. Occur in sills and lava flows when shrinkage causes fractures 7 letters

Any or All would be awesome!

Thanks

I will be visiting the Ellen show on Monday Sept. 29th and can not find anything on who will be there that day. I do know she tapes on Monday for Tuesdays show. Any ideas?

Perpendicular Slope Question Help a girl out!!?

What is the slope of a line perpendicular to 2x-4y=-13

What is the slope of a line perpendicular to 2x-4y=-13

Please show me how to do this:

4/y +y/ 6/y-y

Find the equation of the line that fits the description:

Passes through (-7,9) and has a zero slope

I do not see my tutor until tomorrow and I am freaking out on this!

Help Me!

What is the slope of a line perpendicular to 7x-6y=13

Please show me how to do this!

Thank you

Please!

9 / x^2 - 9 - x + 4 /x ^ 2 - 5x-24

Where do I start and how?

I will leave best answer tonite!

I do not have tutoring until tomorrow and need help on a couple items!

1. D=ab/p Solve for a

2.9/x^2-9 - x+4/x^2-5x-24

Please I would love to learn the correct way to do these!!

Thanks alot

Does anyone know what song has the chorus that says

Do I want you, Do I really need you, I just want to find out.

My husband has been singing it and trying to figure it out for 2 days. He is making me NUTS! Anyone know the song or artist?

Hi! I have the answer to this problem but I need to figure out how the answer was obtained.

5-3{2-3^2/5(15)}

Thank you for showing me the way you do this!

Hi All. I need to learn to do these problems and could use some help! Thank you!

2w^2+13w+21+0

Solve equation for W

and 81a^2-16+0

Solve for a solution set

Hey Guys! Would you classify these as Concomitant or Residue methods of thinking? I have around 30 to do and thought a few answers may reassure me!

1) The amount of sleep I get clearly affects my energy level. I’ve noticed that if I get much less than seven hours of sleep per night, I feel tired the next day; if I get about 7 hours, my energy level is good; if I get more than seven hours, I have extra energy.

2) Scientific data show that the death rate from lung cancer increases with the amount that people smoke. For those who smoke up to a pack a day, the rate is six times that for nonsmokers; for those smoking over a pack a day, the rate is about twelve times higher. Smoking is clearly a cause of lung cancer.

3) Inflation is still affected by the rate of increase in the money supply. During the 1970s, when the money supply was increasing rapidly in the United States, inflation was high; in the 1980s and 1990s, when the money supply increased more slowly, inflation was low.

How do I simplify this expression? Then i need to write it with positive exponents. Assume all variables represent non zero real numbers.

(x^-3y^3z)^-5/(x^-5y^2z)^-4

If you have time I would love to see this worked so I can figure out how to do it.

Thank you