Mathematics - 5 September 2007

help me solve this plz..

y=x-7 and 2x+y=8

2007-09-05 12:58:04 · 4 answers · asked by Anonymous

2007-09-05 12:53:20 · 2 answers · asked by ash_rash_13 1

Could someone pls help me with this? Thx.

The revenue generated by a new product can be modeled as R(x)= -5x^2 + 21x. The cost function is C(x)= 4x+14. How many items are required to maximize the profit? What is the maximum profit?

2007-09-05 12:47:50 · 4 answers · asked by tmlfan 4

212 divided by 7 , 376 divided by 9 , 280 divided by 3 , 541 divided by 8 ,1,058 divided by 5 , 3,018 divided by 6 , 5,072 divided , 1718 divided by 4 , 3,767 divided by 6 , 3,372 divided by 67 , 1,373 divided by 19, 2,129 divided , 4,165 divided by 59 , 4,038 divided by 41 , 2,612 divided by 31, 1,609 divided by 34 , 1,937 divided By 48 ,1,350 divided by 54 , 1850 divided By 82 = thats all of It about 20 Of them please show Work =[

2007-09-05 12:47:40 · 11 answers · asked by tdang424 7

2007-09-05 12:44:50 · 1 answers · asked by north h 3

A (-1,-1)
B (8,2)
I know it's some simple formula, I think the distance formula or something.. but I forgot it.

2007-09-05 12:37:40 · 1 answers · asked by pepsi 2

The relation given by the circle
x^2+y^2+6x-10y=15
does define two functions whose graphs are the upper and lower halves of the circle. Find expressions for these two functions.

2007-09-05 12:35:05 · 4 answers · asked by Anonymous

given are length of a /\ 4, 8, 4[square root] 3

2007-09-05 12:34:57 · 1 answers · asked by blahhhhhh 2

please help me, i need it so badly im dying.

2007-09-05 12:34:02 · 6 answers · asked by t92vt 1

For instance,

The average temperature this week was 14 deg.

The the temps were -1, 10, -4, 16, 29, 33.

How would I find the missing day? I tried adding the six temps and X and made them equal to 14. Is this correct? If so mine didn't turn out so pretty.

2007-09-05 12:31:34 · 7 answers · asked by Anonymous

2007-09-05 12:31:09 · 4 answers · asked by Samantha 1

2007-09-05 12:29:22 · 5 answers · asked by ash_rash_13 1

5/13 + 2/5
5/6 - 4/15
13/14 - 1/2
7/8 - 1/2
1/4 + 3/10
1/5 - 1/13

2007-09-05 12:27:59 · 12 answers · asked by Anonymous

A map indicates that two cities are 200 miles apart. The scale of the map is

3/4in. = 25miles

How many inches apart are the cities on the map??

2007-09-05 12:25:44 · 6 answers · asked by Reece 1

answer these place parentheses in the right spot

1) 2+5*4-3 = 25

2) 2=5*4-3 = 19

3) 2+5*4-3 = 7

4) 3+2-6+8 = 70

2007-09-05 12:24:43 · 4 answers · asked by Anonymous

help me w/ theese:

x + 2.7 > 5.5

x + 8 > 11 (the greater than sign is suppose to be a greater than/equal to sign)

2007-09-05 12:23:43 · 6 answers · asked by Reece 1

how would i expand this?

2007-09-05 12:23:19 · 6 answers · asked by C.L. ~Raptors~ 4

Assume 50 men and women are randomly selected. Of these, 40% are men and 27 of the 50 persons read on a regular basis. Further, of the men, 15 do not read on a regular basis. Prepare a contingency table.

2007-09-05 12:20:53 · 2 answers · asked by JustWondering 3

A rectangualr rug is 15 ft wide && 20 ft long. If you cut the rug along its diagonal, what will be the dimensions of one of the resulting triangular pieces??

i 4got how to do this. can some one please help me??

please explain what i have to do b/c im a lil frazzled!

2007-09-05 12:17:13 · 5 answers · asked by Reece 1

-1> 2r-5> -9

2007-09-05 12:12:04 · 7 answers · asked by whereistheemu 1

or relate to.....
i can only think of 4 things and i need 10!
well i have
1) shapes of instruments
2) 90 degree angles of the bar lines
3) notes (dots) on a line ( plotted points)
4) 180 degree angles make up the bar lines (the staff)

2007-09-05 12:11:40 · 5 answers · asked by Kool 2

http://www.crunchyroll.com/user/babiixjen_x3/photos/2151903
i forgot it, what do you call it?

2007-09-05 12:10:52 · 4 answers · asked by blahhhhhh 2

need bit of help with 3x² - tx + r = 0

2007-09-05 12:10:10 · 2 answers · asked by Anonymous

2007-09-05 12:08:07 · 8 answers · asked by Anonymous

"Find a linear function (6) that satisfies both of the given conditions"

1. f (-1) = 1 + f (2) , f (3) = 4 f (1)

Can anyone show me the steps to working out this problem please

thanks for your answers

2007-09-05 12:05:46 · 1 answers · asked by Oliver 2

i need to know an easy way to factor these. i know one way of doing it but 19 is prime and i cant do that here! pls help me.
i am also confused with 5f^2+48f+27 and 8d^2+d-30

2007-09-05 12:05:03 · 4 answers · asked by Izzie 2

2007-09-05 12:00:54 · 2 answers · asked by Anonymous

please help me solve this and please add steps

solve for R

P(r+R)^2 = (E^2)R


Please help

2007-09-05 11:57:18 · 4 answers · asked by Jackson davis 1

A camel rests by a pile of 3000 bananas at the edge of a 1000-mile-wide desert. He plans to travel across the desert, transporting as many bananas as possible to the other side. He can carry up to 1000 bananas at any given time, but he must eat one banana at every mile. What is the maximum number of bananas the camel can transport across the desert? How does he do it?

2007-09-05 11:55:57 · 1 answers · asked by steve s 2

11.5

0.542

1.568

134500

2007-09-05 11:55:12 · 2 answers · asked by *Gen.Orange* 2