Answer:
The area of the rectangle is 69 feet squared.
Step-by-step explanation:
We know that perimeter is all of the sides of an object added together. Since the length is 12 feet, that means that 24 feet (2 sides of the rectangle) is the length. That leaves us with 11 1/2 feet. This needs to be divided by 2 to find the width since there are 2 sides for width. 11 1/2 / 2 = 5 3/4. To find the area. (l x w), you can multiply 12 by 5 3/4 to get 69. Now write the correct units which are feet squared.
6.64
- 1.35
= 5.29
To the nearest tenth it is 5.3 times more miles of coastline.
It is left on the number pad on the quadratic forumla
Answer: 15x² + 2x + 4
x = -2/3, 0, 1/2
Step-by-step explanation:
5x(3x + 2) - 4(2x - 1)
First, distribute:
15x² + 10x - 8x + 4
Combine like terms:
15x² + 2x + 4
This is your polynomial!
If you needed to solve for x, take your original factored polynomial and set each term equal to 0:
5x(3x + 2) - 4(2x - 1)
5x = 0
x = 0
3x + 2 = 0
3x = -2
x = -2/3
-4 = 0
No solution
2x - 1 = 0
2x = 1
x = 1/2
x = -2/3, 0, 1/2
Hope this helps!
Answer:
its not
Step-by-step explanation:
because the x equals 4 so it will be 4+3+4=9 because 3+4 equals 5 so you add 4 and get 9