Mathematics - 28 June 2007

2007-06-28 11:59:48 · 9 answers · asked by Anonymous

In the period of a year, an investor lost twice as much as he gained. If he originally had $10,000 and how has $8000, what amount did he gain and what did he lose?
Could you please help me out with this problem and explain it to me?

2007-06-28 11:45:56 · 5 answers · asked by Anonymous

Complete the ordered pairs so that each is a solution for the given equation.

2007-06-28 11:40:48 · 5 answers · asked by Michael B 1

v(t)= sqrt[ gm/k ] tanh[ (kg/m)t ]

2007-06-28 11:22:28 · 4 answers · asked by azulita 3

a. Find x if AC = 3x - 1 and BC = 12 - x.

b. Use the answer for x to find the value of AB.

I want explanation not just answer please and thank you =)

2007-06-28 11:22:24 · 6 answers · asked by love 1

2x-1
-x+1
------- how can i add this?

2007-06-28 11:21:01 · 5 answers · asked by Anonymous

3x+4
x-6
--------- how can i add this?

2007-06-28 11:18:52 · 3 answers · asked by Anonymous

2007-06-28 11:17:07 · 4 answers · asked by Russel 1

6: Skeeter the Wonder Dog jumps through circular rings as part of his dog show exhibition. Skeeter requires a width of 18 inches for his costume to clear the ring. Will a ring with an inner circumference of 39.8 inches be large enough for Skeeter's act?
yes
no
not enough information
maybe


7: A large pizza has a circumference of 72.5 inches. Which of the perimeters listed belongs to the smallest box capable of holding a large pizza?
23
24
73
96


8: Find the width of a rectangular vegetable garden if its perimeter is 16.4 m and its length is 5.05 m.
3.15 m
5.05 m
6.3 m
10.1 m


9: A rectangular football field has side lines 120 yards long. Each of the end lines is 160 feet long. What is the perimeter of the football field?
280 ft
346 ft
880 ft
1040 ft


10: The perimeter of a rectangle is 46 feet. I need to get from point A to point B. What is the shortest distance from A to B? A to B is the diagonal and you know the longer side of the rectangle has length = 15 feet.
8 ft.
15 ft.
16 ft.
17 ft.

2007-06-28 11:03:07 · 4 answers · asked by Anonymous

recent Q/A on tv today 28/6 man says 64,000 tons, cant work it out.if 1 pint is 1.25lbs...........?

2007-06-28 10:56:27 · 11 answers · asked by michael b 1

Given a period of time and a group of people, each of whom has their own button and clicks it one time, how would you calculate the odds that 2 of these clicks would occur at the same time, to the millisecond? What formula should be used?

2007-06-28 10:51:58 · 4 answers · asked by s1rkull 2

(3x/2)-1 = 2- ((x+1)/5))

The answer is suppose to be x= 28/17

But what is the most simple way to solve this problem?

2007-06-28 10:28:19 · 6 answers · asked by korr 2

If a baseball is projected upward from ground level with an initial velocity of 128 feet per second, then its height is a function of time, given by s=-16t^2+128t.

The maximum height reached by the ball is _____ feet

2007-06-28 10:26:25 · 5 answers · asked by hllywdbabe7 1

Simplify 4sin2xcos2x. Please explain steps. Thanks

2007-06-28 10:07:21 · 3 answers · asked by Deborah P 2

solve for Z: Y X
----- = -----
4Z W

HELP!

2007-06-28 10:06:20 · 9 answers · asked by Anonymous

I know how to find the area, but i need help in finding the upper and lower limit? any ideas? please explain thank u very much.
y=x+6
y= -2x
y= x^3

2007-06-28 09:58:22 · 5 answers · asked by ♥stacy♥ 3

Perform the indicated operations.
[(1.3x3 + 7.3x2 + 4.9) + (6.2x - 2.4)] - (3.4x2 -x - 9.3)

1.3x3 + 10.7x2 + 5.2x - 6.8
12.4x6 + 11.8
1.3x3 + 3.9x2 + 6.2x + 11.8
1.3x3 + 3.9x2 + 7.2x + 11.8

2007-06-28 09:50:32 · 4 answers · asked by Anonymous

What is the most interesting book about mathematics that you have read? Why is it interesting?

What books about mathematics would you recommend a person to read if he or she is at pre-university level?

2007-06-28 09:48:22 · 12 answers · asked by Anonymous

Hi.
When you draw 4 cards from it can be computed by 52C4 but how do you use the same notation to compute the probability of getting some number on a dice? I know the chances are 1/6 but how do I use the C notation.
Thank you.

2007-06-28 09:14:33 · 5 answers · asked by F 6

in terms of electricity

2007-06-28 09:02:43 · 3 answers · asked by Anonymous

F(x)= (1+sinx) / (cosx)

Is it (– 1) / ( 1+cosx)

2007-06-28 08:56:45 · 4 answers · asked by chimstr 1

order pair:(x,y). if not specifiy whether the answer is no solution or infinitely m,any soloutions
-3x +y=1
5x+2y=-4
I know the answer is not x =-6/11 and y=-7/11

2007-06-28 08:42:34 · 8 answers · asked by peaches 1

I don't understand this one...

y= 1/(4-2x)

ty.

2007-06-28 08:40:10 · 6 answers · asked by Needs help 2

passing through (-3,5). I know the answer is not b= 14

2007-06-28 08:34:36 · 3 answers · asked by peaches 1

a) Two times
b) Three times
c) Four times
d) Five times

2007-06-28 08:34:28 · 8 answers · asked by Anonymous

2007-06-28 08:23:55 · 11 answers · asked by michael n 1

Hi, i have a tank which measures 80cm long, 43cm deep and 35cm wide so how do I work out the volume in litres.

2007-06-28 07:55:22 · 10 answers · asked by the hood 4

for the problem:
6x-2(x+3)
what is the steps for it and what is the answer simplified?

2007-06-28 07:48:35 · 8 answers · asked by Anonymous

So... My paycheck with [hours x Pay-per-hour] would equal 800.00, however once taxes are all taken out I end up getting 571.00. So, what PERCENT of my check goes toward taxes?

I'm sure this is ridiculously easy to figure out, but I'm not quite sure how to do it? Help!! ;)

2007-06-28 07:44:52 · 13 answers · asked by cdanie11e 2

2007-06-28 07:29:01 · 8 answers · asked by randall_gilmore 1