Mathematics - 22 September 2006

A firm needs to find 100 people who regularly purchase orange juice to complete a survey on a new frozen juice. They sampled 500 people & 75 orange juice buyers have been found. Based upon this info - how many additional people in random sample do they need to interview to reach an expected total of 100 people who regularly purchased orange juice?

How would u calculate this?

2006-09-22 07:26:48 · 6 answers · asked by Anonymous

f(x)=6x^2+7x-24.

And what is the minimum or maximum value of f(x)?

2006-09-22 07:19:59 · 8 answers · asked by pnoiz1 2

My customers use my services monthly, bi-monthly, quarterly, semi-annually and annually. I also have customers that call me every 4 months. How is that stated in relation to the above? I can't figure out how to word it without saying - "every four months".

2006-09-22 07:16:29 · 8 answers · asked by I have a ? 2

Joes Pretzels will increase salt content by 50%. Currenly one bag is being sold at 1.09 with a .11 profit on each bag sold. The additional salt will increase production cost by .04 per bag. Last quarter, they sold 2.4 million bags. Assuming price of the product remains, if they increase to 50% more salt, how many additional bags will they have to sell to have same profit?

2006-09-22 07:14:05 · 1 answers · asked by Anonymous

The results of surveying 100 residents of a city reported that 40 read the daily morning paper, 70 read the daily evening paper & 20 read neither. How many:
1. Read at least 1 paper?
2. Read both?
3. Read exactly one daily paper?

Please assist in how you would calculate the above.
Thank you.

2006-09-22 07:07:11 · 9 answers · asked by luckygirl7721 1

Best guess known reserves are 4 trillion barrels of oil. We burn 90 million barrels a day world wide. Barrel of oil = 42 gallons.

2006-09-22 06:55:04 · 6 answers · asked by Mr Smartty Pants 1

2006-09-22 06:49:32 · 9 answers · asked by Anonymous

If you have 1000pc and 12 boxes. which combination would you use to put the pieces into each box and give an exact qty of pc in boxes if I require any qty from 1pc to 1000pc?
For example: 368, 935, 153, 29, any quantity...

I will pay the lunch if you don't answer correct...

Box # 1:__ 2:__ 3:__ 4:__ 5:__ 6:__ 7:__ 8:__ 9:__ 10:__ 11:__ 12:__

2006-09-22 06:22:34 · 10 answers · asked by JAD 2

I have been racking my brain for a while now trying to figure out how to do this. The question asked is compute the % change in each quantity from 1992-2001. Can someone help me out by what formula I need to use in excel. I have attached the figures below. Any help would be greatly appriciated.
19921997 2001
Courts
Actual Costs70,258136,304238,041
#Full-Time Employees71012
Cost per Employee $10,036.86 $13,630.40 $19,836.75
Cost per capita $4.14 $7.29 $12.43

2006-09-22 06:19:13 · 4 answers · asked by mnb231 1

2006-09-22 06:16:08 · 7 answers · asked by Brittany H 1

I've been stuck on this problem for a while and I think I'm doing everything right but it is not coming out like in the back of the book. The Answer in the back of the book is 1/2(x+1)^2-3/2... I keep getting 1/2(x+1/2)^2 -9/8 . I know you have to complete the square but it's not coming out right. hope you can help me.

2006-09-22 05:15:05 · 8 answers · asked by wc_gam3r 1

2006-09-22 04:54:48 · 24 answers · asked by asif h 1

Please find the value of x and explain all the steps until the end, for me to be able to solve similar equations. I will assign best answer to the thoroughest explanation.
Thanks.

2006-09-22 04:24:28 · 22 answers · asked by Gizmo 2

for eg: f(x) in the range (-3,3) the value of function at 3=[f(3)+f(-3)]/2.....how was this formula derived?please help me

2006-09-22 04:23:35 · 4 answers · asked by Red Falcon 1

I can't figure out the formula to use for this question. I am looking at Cost per capita, which means per capita costs divided by the population. The population figures are 16,974, 18,698 & 19,151. The actual cost figures are $70,258, $136,304 & 238,041. what type of formula do I use when pop figures are listed in cells b1:b3 and cost figures are listed in A1:A3. Any help would be appriciated.

2006-09-22 04:09:11 · 4 answers · asked by mnb231 1

a) 1,0,1,0,1,0 b) -1, -1, -1, -1, -1, -1 c) 1,1,1,1,1,1 d) 1,1,0, -1,0, -1


Only one choice is correct. Please explain how you solved this with formula. Thanks!

2006-09-22 04:06:05 · 6 answers · asked by dotmilind 1

You walk upwards on an escalator, with a speed of 1 step per second. After 50 steps you are at the end. You turn around and run downwards with a speed of 5 steps per second. After 125 steps you are back at the beginning of the escalator. How many steps do you need if the escalator stands still?

2006-09-22 03:54:45 · 4 answers · asked by Anonymous

2006-09-22 03:53:23 · 9 answers · asked by Anonymous

I just wanted to have a technique so that I will not be confused. e.g.: 16456pi/6 and 78pi/3, for pi/3, pi/6, and pi/4 only. Thanks.

2006-09-22 03:52:35 · 5 answers · asked by radioactive_nitroglycerine 3

Please also explain how you solved this answer. Thanks!!

2006-09-22 03:48:59 · 10 answers · asked by dotmilind 1

A plane moves from 9°N 60°E to 9°N 60°W. If the plane starts at 2 AM and takes 10 hours to reach the destination, find the local arrival time.

a) 4.30 AM b) 6.00 AM c) 4.00 AM d) 10.00AM

Select the right answer. Please also explain how you have solved this. Thanks a lot!

2006-09-22 03:38:21 · 4 answers · asked by dotmilind 1

I know calc, algebra, differentials, even discreet math...but its the simple math that I get confused on! haha

2006-09-22 03:31:45 · 10 answers · asked by Deonndre21 2

_ 5 _ I _ _ _ I _ _ _
6 _ 9 I 7 2 _ I 5 _ _
8 _ _ I _ _ 6 I _ _ _
-----------------------------------
_ _ 8 I 3 7 _ I _ 4 1
_ 7 _ I 6 _ 2 I _ 9 _
5 2 _ I _ 1 8 I 3 _ _
-----------------------------------
_ _ _ I 8 _ _ I _ _ 3
_ _ 2 I _ 5 3 I 7 _ 9
_ _ _ I _ _ _ I _ 5 _

2006-09-22 03:31:34 · 6 answers · asked by Anonymous

Please also tell me how you solved this question. Thanks.

2006-09-22 03:11:59 · 7 answers · asked by dotmilind 1

^ means that it is raised to the power of.....
eg. 2^2=4, 5^2=25

please find the value of X. and please give me the solution.
tnx...

2006-09-22 03:07:32 · 6 answers · asked by jin11_knight 1

2006-09-22 02:14:53 · 11 answers · asked by Anonymous

I was set this by a maths teacher and I can't get how to factorise it. Help!

2006-09-22 02:04:23 · 16 answers · asked by matt b 1

2006-09-22 01:58:50 · 15 answers · asked by Anonymous

In triangle ABC, AB =8, AC=6 and angle ABC =25 find BAC. Explain the workings

2006-09-22 01:39:14 · 7 answers · asked by edwinvandesar 1

2006-09-22 01:34:21 · 6 answers · asked by gathiegirl 1