Mathematics - 7 July 2007

cosAcosB+sinAsinBsinC=1

Please find angles A, B and C in ABC triangle.

2007-07-07 06:39:18 · 3 answers · asked by Amir 1

I would like to know how to do it manually. Because I don't get the correct answer

2007-07-07 06:26:09 · 9 answers · asked by sunshine 1

2007-07-07 06:25:11 · 4 answers · asked by Brian S 2

if i have 100, 5 inch squares of fabric and make them into a quilt...how big will the finished quilt be? thanks

2007-07-07 06:19:54 · 5 answers · asked by SNAP! 4

You have 2.8 gals of 80% solution and you need some 60% solution. How much 30% solution do you need to mix with the 2.8 gals of 80% to achieve this result?

2007-07-07 06:13:41 · 5 answers · asked by wastedmemoriez 1

2y-6=2(x+2)
1.) I have to find the slope
2.) A line parallel to the given equation 2y-6=2(x+2) passes through point (2,1). Find the equation of the parallel line.
3.) A line perpendicular to the given equation 2y-6=2(x+2) passes through point (2,1). Find the equation of the perpendicular line.

Someone PLEASE help I am HORRIBLE at math!

2007-07-07 06:11:35 · 8 answers · asked by C.O.O.L. 2

Factor: 2x^2-5x-3

Will the following function have a maximum or a minimum? Explain.

f(x)=-4x^2+3x+11

Factor:
50x^2-32

2007-07-07 06:11:30 · 5 answers · asked by wastedmemoriez 1

and what is it if its an obtuse angle

2007-07-07 06:04:51 · 6 answers · asked by blahhhhhh 2

2007-07-07 06:01:58 · 4 answers · asked by wastedmemoriez 1

If you can seed an acre in 2.8 hrs, and I can seed an acre in 4.5 hrs, how long will it take if we work together?

2007-07-07 05:56:33 · 5 answers · asked by wastedmemoriez 1

2y-6=2(x+2)

2007-07-07 05:55:51 · 6 answers · asked by C.O.O.L. 2

2(x-1)=x(2x+2)

How do i do this problem?

2007-07-07 05:54:42 · 5 answers · asked by C.O.O.L. 2

Please help here?
Solve the inequality and explain how you found the solution.
x^2-2x-5>0

This is a Pre-Calculus problem.

2007-07-07 05:49:54 · 3 answers · asked by peopleme 1

If $5000 is deposited at 6% compounded annually, what will be the total on deposit at the end of 6 years.how much is the interest?

what is the equation or the formula to this problem. And can you please show me the solution. thanks

2007-07-07 05:47:16 · 8 answers · asked by Dariel J 2

A salesman's commision is 5% on all sales upto Rs. 10,000 and 4% on all sales exceeding this. He remits Rs. 31,100 to his parent company after deducting his commision. Find the total sales.
Please help me in solving this questing and also if u can please describe.

2007-07-07 05:39:43 · 3 answers · asked by fha_chafzeto 2

please help

2007-07-07 05:28:52 · 7 answers · asked by Tiana R 1

If $5000 is deposited at 6% compounded annually, what will be the total on deposit? how much is the interest?
what is the equation or the formula to this problem. And can you please show me the solution. thanks

2007-07-07 05:28:12 · 4 answers · asked by Dariel J 2

please help

2007-07-07 05:24:56 · 5 answers · asked by Tiana R 1

please help

2007-07-07 05:22:42 · 11 answers · asked by Tiana R 1

2007-07-07 05:22:04 · 20 answers · asked by Yvonne S 1

I HAVE BAD MEMORY,,, DOES "FIND THE ZEROES OF A FUNCTION" MEAN FIND WHAT EACH UNKNOWN IS?... MEANING WHAT X AND Y IS..?
IF NOT,,, PLS EXPLAIN...

Additional Details

14 minutes ago
example, f(x)=2x+6

2007-07-07 05:22:03 · 2 answers · asked by Anonymous

please help

2007-07-07 05:15:32 · 7 answers · asked by Tiana R 1

please help

2007-07-07 05:14:24 · 5 answers · asked by Tiana R 1

please help

2007-07-07 05:13:05 · 3 answers · asked by Tiana R 1

Homer has three investments totaling $110,000.these earn interest at 4%,6% & 8%. His total income from these investments is $7200. the income from the 8% investment exceeds the tot income form the other two investments by $800. find how much he has invested at 4%

the answer given for this was $20,000.

thanks for the help from the two people who responded but some of the answer I didn't understand where it was coming from, I really suck at word problems and need every bit explained. Thanks to anyone who can help me.

2007-07-07 05:11:05 · 4 answers · asked by kimmeez 1

2007-07-07 05:04:24 · 14 answers · asked by Yvonne S 1

Suppose that In 2 = a and In 3 = b. Use properties of logs to write each log in terms of a and b.

QUESTIONS:

(1) In(2/3)

(2) In(3/e)

(3) In 0.5

(4) In {fourth root of 48}

NOTE:

In means natural log.

2007-07-07 04:58:27 · 5 answers · asked by Sharkman 1

The sum of the digits of a three-digit number is 12. If the hundreds digit is 3 times the tens digit and the tens digit is 1/2 the units digit, what is the tens digit of the number?

And, how do you solve it? What kind of equation would you use?

2007-07-07 04:53:13 · 11 answers · asked by Namaste 3

I HAVE BAD MEMORY,,, DOES "FIND THE ZEROES OF A FUNCTION" MEAN FIND WHAT EACH UNKNOWN IS?... MEANING WHAT X AND Y IS..?
IF NOT,,, PLS EXPLAIN...

2007-07-07 04:51:05 · 2 answers · asked by Anonymous

please help.

2007-07-07 04:41:46 · 4 answers · asked by Bianca B 1