Mathematics - 27 November 2007

find an a priori estimate first then use this and the quadratic equation to find an improved estimate.

2007-11-27 08:24:32 · 1 answers · asked by l.bambi 1

2007-11-27 08:11:39 · 3 answers · asked by Perle Des Antilles 1

The distance between Jerry's school and his house is 1000m. He runs at a rate of 4 meters per second, and his friend runs at a rate of 3 meters per second. If Jerry starts 5 seconds after his friend starts running, when will he catch up?

Please explain your work because I am HORRIBLE at this type of word problems.

2007-11-27 08:07:43 · 3 answers · asked by nightowl 2

Each letter in the addition problem below represents a different interger. If a letter is uesd twice, it will be the same number both times (the "m" will be the same number in both cases) Each letter can only be a one digit number. Determine what number each letter represents.
S E N D
+ M O R E
-----------------
M O N E Y

2007-11-27 08:04:02 · 2 answers · asked by Anonymous

tan 46 degrees = x/12

what is x?

2007-11-27 07:58:28 · 2 answers · asked by Anonymous

2007-11-27 07:57:22 · 4 answers · asked by Anonymous

Take this for example, f(x)=(x^(2/3))((6-x)^(1/3))

What steps would I take to graph this?

2007-11-27 07:55:28 · 2 answers · asked by Anonymous

Help

2007-11-27 07:50:14 · 3 answers · asked by Anonymous

approximately 40 – 8x + 5y consumers will buy the first type and 50 + 9x -7y will buy the second type. If the cost of manufacturing the first type is $1,000 per system and the cost of manufacturing the second type is $3,000 per system, how should the telephone company price the systems to generate maximum profit?

2007-11-27 07:48:21 · 1 answers · asked by Anonymous

http://img98.imageshack.us/img98/8032/questionjo2.png

Do I set them equal to one another?

2007-11-27 07:46:44 · 2 answers · asked by Phil 2

2007-11-27 07:36:02 · 2 answers · asked by Ken B 1

Calculate the volume of the solid under the surface
f(x,y)=x^2y^2 and above the closed region bounded by y=1,y=2,y=x, and x=0.

2007-11-27 07:35:38 · 1 answers · asked by Andy 2

Due to a malfunction in their computer system Artil Co. lost some vital
information. An example of this is the historical data of “Murudi
choc ball” (Artil’s elite product). The data recovered is as shown
below

March = 25
April = 27
May = 28
June = 34
July = 43
August = ( )

a) Determine the lost demand of “Murudi choc ball” for Aug. (Use
Simple Regression)

2007-11-27 07:35:18 · 1 answers · asked by Samaira S 1

1. What is the smallest value of x if 12÷(x+1) is an integer?

2. A right rectangular prism has a base area one quarter the base area of a larger right rectangular prism. The height of the smaller prism is half the height of the larger one. What is the ratio of the volume of the smaller prism to the volume of the larger prism? express answer as a common fraction.

3. In triangle ABC the measure of angle A is x degrees, the measure of angle C is 5x degrees. what is the value of x? express your answer as a decimal to the nearest tenth.

4. What is the sum of the even positive integers less than 62?

5. A right triangle is inscribed in a circle with a diameter of 100 units long. What is the maximum area of the triangle in square units??


thx you guys!! <33

2007-11-27 07:33:52 · 3 answers · asked by Kamile K 1

First i would like to thank all that are helping me with this. I am not very bright when it comes to math.

Helen Weller invested $10,000 in an account that pays 12% simple interest. How much additional money must be invested in an account that pays 15% simple interest so that the total interest is equal to the interest on the two investmentsat the rate of 13%.

2007-11-27 07:19:04 · 4 answers · asked by burban 2

2007-11-27 07:18:10 · 4 answers · asked by blondie42 1

2007-11-27 07:08:14 · 2 answers · asked by Anonymous

1. x + 3y = 23 3x - 2y = 3
Solve and check using the substitution method.

2007-11-27 06:51:12 · 7 answers · asked by Anonymous

http://www.e-xamit.ie/2005test/php/GetDocByID.php?id=13360&prep=13363&soln=13360&tip=13368&port=13365

i dont see how the second line workes, mainly the last bit (how they got 5over2 +1+5


cheers!

2007-11-27 06:50:37 · 6 answers · asked by Anonymous

is it -e^(-1)

2007-11-27 06:44:28 · 4 answers · asked by PDF 2

In chemistry class, 8 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?

2007-11-27 06:43:11 · 4 answers · asked by burban 2

a swimming pool is made in the shape of a semi-circle the length of the straight side is 10 meters find the total lenght of the perimeter

2007-11-27 06:39:47 · 4 answers · asked by genv 1

For example i want to add 35% to:
1. 34,000
2. 35,500
3. 21,500
4. 17,500
and many more. Can someone please explain the easiest way to get the correct answer? Ohh, It's OK to use calculator.

THANK YOU!

2007-11-27 06:27:05 · 5 answers · asked by Anonymous

i.e: a horizontal line has the formula of y= whatever number the line crosses when x=0, for example y= 3.

What is the formula for a vertical line? (when y = 0).. when it moves along the x axis..
please give me the answer as y=__________
THANK YOU SOO MUCH : D

2007-11-27 06:17:51 · 7 answers · asked by Anonymous

i have a right traingle. all i know is side a=12 and angle A=26.75 degrees. how do i find side b, c, and angle B?

2007-11-27 06:14:28 · 6 answers · asked by Tom w 1

an antenna is to be braced by 3 steel wires that are attached to a point on the pole 20 feet from the ground, and which make an angle of 50 degrees with the ground. how do i find the total amount of wire neccessary?

2007-11-27 06:12:08 · 2 answers · asked by Tom w 1

lim 2 / (36e^6x)
n-> inf

is it 0?
i dont get what 36e^6(inf) is??

2007-11-27 06:03:43 · 3 answers · asked by ruby 2

IF i am given only 1 side and 1 angle? Its no a right angled triangle but if i slice it in half it will become one. do i half it then use trigonometry? but do i not need another side to do that? thanks

2007-11-27 06:00:50 · 2 answers · asked by Anonymous

2007-11-27 05:59:10 · 8 answers · asked by bn4real2000 1

Could you help me figuer out the value of x and y if..

3x + 5y = 11
2x + y = 3

And could you show me the workings out please so I can learn to do the method. Thanks.

x

2007-11-27 05:52:39 · 12 answers · asked by :) 3