Mathematics - 19 December 2007

Compute the angle, in radians, between the two vectors:

A=5i - 8j

B=7i + 3j

2007-12-19 02:31:06 · 6 answers · asked by Anonymous

give you clues, like one is twice as old as the one that is 3 yrs older than the youhngest that is 1/2 as old as the oldest.
Not exactly that stuff but you know the word problems.

Also the ones with 2 trains leaving diff locations, diff speeds...

2007-12-19 02:30:41 · 1 answers · asked by Anonymous

Given the base ten number 95. Convert it to base two.

What's the work involved in this, have several similar questions.

2007-12-19 02:26:23 · 10 answers · asked by Anonymous

If premium A is 186,625
and premium B is 173,625
what is the precent increase?
Help would be greatly appreciated!!!!!!!!!!!

2007-12-19 02:14:40 · 6 answers · asked by mittens1372 1

2 fair and regular dice are rolled. Let's define the following 2 events.
A - event that the first die is a 4
B - event that the sum of the two dice is 7

Are A and B independent or dependent?

2007-12-19 02:14:20 · 8 answers · asked by Dr D 7

5-5
Solve each equation by using square roots property
2)x squared -12x + 36 =25
4)9x2squared-24x+16=2
Find the value of c that makes each trinomial a perfect square. Then write the trinomial as a perfect square.
8) x squared-12x+c
Solve each equation by completing the square

10) xsquared + 3x -18=0
12) 2x squared- 3x-3=0
14) x squared+2x+6=0
Solve each equation by competing the square
16) x squared +4x+4=25
18) x squared-9x+81/4=1/4
20)x squared +8x+16=7
22) x squared +12x +36 =5
Find the value of c that makes each trinomial a perfect square then write it as a perfect trinomial square
24) x squared + 16x+c
26) x squared -5x +c
Solve each equation by completing the square
28) x squared -8x+15=0.
30) x2 +2x-6=0
32) 2xsquared +3x-5=0
34) 2x squared +7x +6=0
36) x squared-4x +5=0
38) x squared-10x+28=0

2007-12-19 02:02:56 · 3 answers · asked by Anonymous

An object will travel along a straight line in two dimensional space from the point (2,1) to the point (4,-5). Find the equation of this line.

2007-12-19 01:58:07 · 4 answers · asked by dustin_r_85 1

2007-12-19 01:45:18 · 8 answers · asked by Anonymous

Translate into an equation and solve. The product of eight and a number is negative sixteen. Find the number.

2007-12-19 01:44:07 · 5 answers · asked by Anonymous

2007-12-19 01:41:07 · 4 answers · asked by k 1

x^2-5xs-24s^2

2007-12-19 01:35:12 · 10 answers · asked by Anonymous

Please do tell me in ruppes

2007-12-19 01:25:04 · 7 answers · asked by selvaraj g 1

A squared = 34 and B squared = 5 and so 34 times 34 equals 1136 and 5 times 5 = 25 and you get 1181 what is C squared?
what is the square root of 1181?

2007-12-19 01:11:02 · 5 answers · asked by masmas140 1

5 stars for who solve this math idetity.?
sin(A/2)^2 = sinAtanA/2secA+2

2007-12-19 00:49:08 · 4 answers · asked by Anonymous

2007-12-19 00:30:07 · 5 answers · asked by derick b 1