Mathematics - 20 August 2006

a62 b 63 c 64 d 65

2006-08-20 10:47:50 · 3 answers · asked by hoacuctrang _ 1

You have 100 light bulbs numbered (1-100), each one is connected to it own switch and initially they are all on. You count up to 100 in your head, and for each number, you flick the switches that are factors of the current number that you have in your head. For example, when considering number 12, you would flick switches 1,2,3,4,6 & 12. At the end, which light bulbs are on?

2006-08-20 10:35:39 · 13 answers · asked by Chris S 2

2006-08-20 10:27:36 · 10 answers · asked by Lisha 1

2006-08-20 10:22:16 · 6 answers · asked by Lisha 1

He wants to spend the least amount of money on the corrugated iron. What shape should it be? Space is no problem.

2006-08-20 10:05:53 · 7 answers · asked by xenon 6

2006-08-20 10:03:59 · 27 answers · asked by brad4ever 2

2006-08-20 10:00:39 · 7 answers · asked by Lisha 1

Alright

AB is 70 miles. C is between A+B. AC is one third as long as BC.

How long are AC and BC?

2006-08-20 09:50:14 · 8 answers · asked by Richard C 1

2006-08-20 09:27:52 · 2 answers · asked by paulmurphy42 1

2006-08-20 09:22:29 · 4 answers · asked by Lily 2

-The sum of three consecutive even integers is 132. What are the numbers?
- solve for x: 4(2x-5)=4(3x-4)
-A lab has 20% acid solution and a 50% acid solution,How many liters of each are required to obtain 600 liters of a 30% acid solution.
-solve for x: 7x-4(2-3x) = 3x-6=8x
- Solve for x: 5x-2-3x-(6x+4)=3x+6-7x
-Sue has red apples worth 2.30$ per pound and green apples worth 1.90$ a pound How many pounds of each should she mix to get a mixture of 20 pounds worth 2.06$ per pound?
-solve for x: 3x-2/3 - 2x+3/6 = 3x-2/2 -x

Please work as many as possible and please please please show your work in a readable way (easy to understand)
Person with most answers and most complete work gets 10pts

2006-08-20 09:19:56 · 11 answers · asked by puertofrican 3

28+(3x-2)+A=6x

2006-08-20 09:15:50 · 5 answers · asked by curious 1

For example, what would 4.0e-8 equal if expressed as a number x10-7.

2006-08-20 09:11:36 · 7 answers · asked by captaincoolbeard 3

i need help right now please

2006-08-20 09:09:05 · 6 answers · asked by keshia 1

A 1/2 acre=21,780 sq.feet Our property is 200' in length. How many feet wide do we measure?

2006-08-20 09:08:17 · 3 answers · asked by Anonymous

2006-08-20 08:52:36 · 7 answers · asked by claudia c 1

I'm kind of stuck on some problems on literal equations and formulas. Can someone help me? Also can u show me how u solved it?

Solve for x and indicate any restrictions on the values of the variables.
5ax-c=4c+ax
p(x-1)+7=r(x-4)

Solve each formula for the indicated variable. Indicate any restrictions on the values of the variables.
A=ptprt, for p
A=1/2h(b1+b2), for b1
E=i(R+r), for r

Solve for L
S=2(Lw+wh+Lh)

Thank u all soooooooo very much.

2006-08-20 08:49:09 · 2 answers · asked by Anonymous

if i try to integrate a fraction with a sum of two fourth powers in the denominator, there are two different ways: 1) using the partial fractions of the fraction or 2) using substitution. there is a difference in the answers (my answers are right, i checked them with friends, and if i plot the graphs leaving out the +c they are the same except for the y intercepts).

can you account for the difference in the answers?

thank you so much!

2006-08-20 08:47:28 · 6 answers · asked by lola* 1

2006-08-20 08:44:16 · 3 answers · asked by Jack T 2

a.20,3% b.18% c .15,6% d 21%

2006-08-20 08:14:11 · 3 answers · asked by guitarkhongday 1

2006-08-20 08:06:08 · 5 answers · asked by SoBless 1

Davis donates 4/13 of his paycheck to his favorite charity. If he donates $26.80, what is the amount of his paycheck?
Can you show your work,please?
Thank you in advance.

2006-08-20 08:02:58 · 29 answers · asked by Anonymous

1. in a class-room two intersecting lines
2. on a city map postulate 2
3. in a home two intersecting planes

2006-08-20 07:58:25 · 2 answers · asked by brighton 3

2006-08-20 07:41:26 · 3 answers · asked by behzad f 1

2006-08-20 07:40:22 · 13 answers · asked by Anonymous

How -1/r+1/infinity=-1/r comes?
Here,how "-1/r" comes after adding -1/r with 1/infinity ? Give answer with explaination.

2006-08-20 07:30:13 · 4 answers · asked by star123 2

2006-08-20 07:18:22 · 19 answers · asked by blahblah 2

2006-08-20 07:06:32 · 11 answers · asked by Ammar 1

Looking for beginner math the proper way to resolve math problems. Addition and subtraction

2006-08-20 07:01:40 · 6 answers · asked by Michael H 1

2006-08-20 06:53:14 · 2 answers · asked by Anonymous