Mathematics - 12 July 2007

I have a excel spreadsheet of the amount of flow of water every hour for a set of dates. This data also includes the standard deviations. I need a cumulative distribution curve plotting the flow. How do I do this in excel?

2007-07-12 16:23:53 · 1 answers · asked by Iafffu 2

three seizes of soft drinks are sold at a festival. the large (24 oz) is sold for $3, the medium (16 oz) for $2 and the small (10 oz) for $1.50 A total of 530 are sold, bringing in a total of $1,135. If a total of 8, 660 oz of soft drink was sold, how many large drinks were dold?

2007-07-12 16:23:44 · 8 answers · asked by *05* 1

2007-07-12 16:19:27 · 4 answers · asked by Anonymous

A mint has three machines captable of making coins. all three machines together can make 246 coins per minute. Machine A is twice as fast as machine B. Machine c can make 30 more coins per minute than machine B. How many coins per minute can machine B make?

2007-07-12 15:59:08 · 5 answers · asked by *05* 1

You find 38 coins consisting only of nickels, dimes and quaters, with a face value of $4.75. However, the coins all date from 1926, and are worth considerably more than their face value. A coin dealer offers you $8 for each nickel, $6 for each dime, and $22 for each quater, for a total of $410. How many dimes did you find?

2007-07-12 15:55:13 · 6 answers · asked by *05* 1

2007-07-12 15:52:00 · 3 answers · asked by Mira 1

At Gwen's garage sale, all books were one price while all magazines were another. Joe bought 4 books and 3 magazines for $1.45 and Jane bought 2 books and 5 magazines for $1.25. What was the price of a book and what was the price of a magazine?

2007-07-12 15:41:14 · 8 answers · asked by Anonymous

Tickets for a concert were sold to adults for $3 and to students for $2. If the total receipts were $824 and twice as many adult tickets as student tickets were sold, then how many of each were sold?

2007-07-12 15:35:18 · 4 answers · asked by Anonymous

1. 1/2 < y < 3/4 what is a possible value for sq root of y?

2. On a long street the houses are numbered in jumps of 6. That is, the first house has a street number 6, the second 12, and so on. What is the sum of the last digits of the street numbers of the 83rd, 84th, 85th, 86th, and 87th houses?

3. On a street corner there are 3 flashing lights, a red one and a blue one. The red one flashes three times per minute, and the blue one flashes 2 times per minute. If the lights start off flashing at the same time, once ever how many seconds do they flash together?

Thank you for any help on the problems. If you can it's appreciated if you can show the steps and reasoning :].

2007-07-12 15:14:15 · 5 answers · asked by RuleOfTheRose 2

solve and show all work

2007-07-12 15:08:40 · 11 answers · asked by splinterc16 1

solve and show all work

2007-07-12 14:56:30 · 14 answers · asked by splinterc16 1

here are the grades 95,86,80,76,83 what do i need to make on test 6 to maintain a 70 average? could you please show me how you got the answer? thanks a bunch!!

2007-07-12 14:50:44 · 6 answers · asked by Anonymous

Let P(A)=1/3, P(B)=3/10, P(A|B)=2/3...Find P(A U B).
I am not understanding this stuff...your help is appreciated!

2007-07-12 14:36:21 · 2 answers · asked by C K 3

i put that in Excel, as a formula. I am making a time sheet for work. So it's telling me how many hours I'm working.
1.theres a cell that says Day
2.underneath that says the days of the week (monday, tuesday and so on) except sunday
3. next to day is start day and underneath that theres blank (thats where I put the time i get to work)
4.next to start day is Lunch start
5. and next to that is Lunch End
Then total hours.

2007-07-12 14:23:16 · 5 answers · asked by Bryan R 1

solve the equation

2007-07-12 14:19:38 · 12 answers · asked by splinterc16 1

where v is the value of the graduate, e is a number of years prior business experience and g is the graduate school grade point average If v=230 find de/dg when g=2

2007-07-12 13:59:15 · 3 answers · asked by tom 1

1) the capacities of two trucks are 3 tons and 4 tons. If the larger truck makes 3 more trips than the smaller, its total haul is 20 more tons than the smaller one. how many trips does each truck make?

2) A is 11 years old and B is 68 years old. In how many years will B be just 4 times as old as A?

3) The perimeter of a rectangle is 256 inches. How long are the sides if the length exceeds the width by 16 inches?

2007-07-12 13:40:36 · 5 answers · asked by Anonymous

2007-07-12 13:32:12 · 7 answers · asked by Bryan R 1

This answer needs to be expressed in slope-intercept form.

(8,9); y= -6x+7

Thanks a lot you crazy intelligent people!!!

2007-07-12 13:27:42 · 4 answers · asked by Anonymous

algebra is rough, please help

2007-07-12 13:08:38 · 14 answers · asked by catlover f 1

(2,2), (0,5)

2007-07-12 12:56:53 · 5 answers · asked by Anonymous

please show me how you got this answer if al possible,thanks!!

2007-07-12 12:39:02 · 5 answers · asked by Anonymous

It might as well be in japanese for me!

2007-07-12 12:27:16 · 8 answers · asked by Anonymous

An employee who produces x unites pre hour earns an hourly wage of y=0.35x + 11 (in dollars). Find the hourly wage for an employee who produces 2 units per hour.

(a) $11.40
(b) $12.10
(c) $12.20
(d) $11.70

2007-07-12 12:20:04 · 6 answers · asked by Dawn M 1

a)25
b)50
c)75
d)100
e)250

2007-07-12 12:16:22 · 2 answers · asked by Anonymous

2007-07-12 12:05:37 · 8 answers · asked by Butterfly 1

Connecting the ends of each of these lines will form a rectangle.
Find the area of the rectangle

2007-07-12 12:03:49 · 4 answers · asked by CPUcate 6

Find the Fourier Series of the following:

f(t) = t^2, 0 <= t < 2 pi

I got:

a0 = 8*pi^2 / 3

an = 4 / n^2

bn = -4*pi / n

This is the same as the book, except they have: an = -4 / n

Is the book incorrect or am I?

thanx.

2007-07-12 11:55:40 · 1 answers · asked by grompfet 5

2007-07-12 11:51:20 · 9 answers · asked by sPARKLE 2

2007-07-12 11:44:25 · 9 answers · asked by R E 2