 |
|
| Browse | Ask | Answer | Search | Join/Login |
|
|
||||
|
Quadratic Equations
The perimeter of the rectangle is 14 feet, and the area is 12 square feet. What is the width of the rectangle?
I only have one example to go by and I don't get how it works with this problem. |
||||
|
|
|
||||
|
2 (l + w) = 14
lw = 12 l + w = 7 w= 7 - l l (7 - l) = 12 -l^2 + 7 l = 12 7 l - l^2 = 12 l^2 - 7l = 12 l^2 - 7l - 12 = 0 (l-3) (l-4) =0 l = 3 or 4 hope that helped Adam |
||||
|
|
| Question Tools | Search this Question |
Check out some similar questions!
Hai please help me to solve this problem Some students arranged a picnicthe budget for the food was Rs 240. Because four students of the group failed to go the cost of food to each students got increased by Rs 5 how many students went for the picnic? Please help me
1.paul rode his motorbike for X hours at an average speed of (30x + 5)km/h. if the total distance travelled was 385km find his average speed for the jorny? solve this question by using quadratic equations formula.:)
A rain gutter is to be made up of rectangular aluminum sheets 12 inches wide by turning up the sides edges 90 degrees. What depth (of the edges) will provide a maximum cross sectional area and thereby provide for the greatest flow of water? (Hint, think of quadratic equations and you want to...
SUPPOSE A BASEBALL IS SHOT UP FROM THE GROUND STRAIGHT UP WITH AN INITIAL VELOCITY OF 32 FEET PER SECOND. A FUNCTION CAN BE CREATED BY EXPRESSING DISTANCE ABOVE THE GROUND,S,AS A FUNCTION OF TIME,T. THIS FUNCTION IS S=16T^2+VOT+SO 16 REPRESENTS 1/2g, the gravitational pull due to gravity...
A rectangular animal pen with the area 1200m has one sidealong a barn. The other three sides are enclosed by a 100m fencing. Find the dimensions of the pen.
View more questions Search
|
