testing header
Math Goodies
is a free
math help
portal for
students
,
teachers
, and
parents
.
Home

About Us

Contact Us

Privacy

Advertise

Share


More
Free Math
Newsletter
Interactive Math Goodies Software
Lessons
Worksheets
Generator
Games
Homework
Articles
Forums
Glossary
Puzzles
Calculators
Standards
testing left nav
Math Forums @ Math Goodies
Home

Profile

Register

Active Topics

Members

Search

FAQ
All Forums
Homework Help Forums
Standardized Test Preparation Help
SAT Question #4
Note:
You must be registered in order to post a reply.
To register,
click here
. Registration is FREE!
Screensize:
640 x 480
800 x 600
1024 x 768
1280 x 1024
UserName:
Password:
Format Mode:
Basic
Help
Prompt
Format:
Font
Andale Mono
Arial
Arial Black
Book Antiqua
Century Gothic
Comic Sans MS
Courier New
Georgia
Impact
Lucida Console
Script MT Bold
Stencil
Tahoma
Times New Roman
Trebuchet MS
Verdana
Size
1
2
3
4
5
6
Color
Black
Red
Yellow
Pink
Green
Orange
Purple
Blue
Beige
Brown
Teal
Navy
Maroon
LimeGreen
Message:
* HTML is OFF
*
Forum Code
is ON
Math Symbols
[quote][i]Originally posted by Haven[/i] [br]The information given is: [sqrt]x[squared]  t[squared] equals 2t  x If x and t are positive numbers that satisfy the equation above, what is the value of x divided by t? The answer given was 5/4 How was this answer obtained. An explanation would be greatly appreciated. [/quote]
Check here to subscribe to this topic.
T O P I C R E V I E W
Haven
Posted  09/25/2008 : 08:46:19
The information given is:
x
 t
equals 2t  x
If x and t are positive numbers that satisfy the equation above, what is the value of x divided by t?
The answer given was 5/4
How was this answer obtained. An explanation would be greatly appreciated.
2 L A T E S T R E P L I E S (Newest First)
Haven
Posted  09/25/2008 : 14:29:45
Thanks Again Skeeter.
skeeter
Posted  09/25/2008 : 11:12:05
(x
t
) = 2tx
square both sides ...
x
t
= 4t
4tx+x
0 = 5t
4tx
0 = t(5t4x)
since t>0, 5t = 4x ... 5/4 = x/t
Math Forums @ Math Goodies
© 20002004 Snitz Communications
This page was generated in 0.04 seconds.
Snitz Forums 2000
testing footer
Lessons
Worksheets
WebQuests
Games
Homework
Articles
Forums
Glossary
Puzzles
Newsletter
Standards
Buy the Goodies Now!