Answer:
The area of rectangle is 
Step-by-step explanation:
we know that
The perimeter of a rectangle is equal to

we have

so

----> equation A
Remember that
The length of a rectangle is twice its width.
so
----> equation B
substitute equation B in equation A

solve for W

Find the value of L


<em>Find the area of rectangle</em>

substitute the values


Convert to mixed number

Answer:
63.7 inches
Step-by-step explanation:
half the base is 9 inches, so the equal legs are each
L = √(9² +21²) = 22.8473...
Perimeter = 2(22.8473) + 18 = 63.6946... ≈ 63.7 inches.
Y2-y1/x2-x1
121.5-58.5/27-13
63/14
$4.5 an hour.
Answer:
24
Step-by-step explanation:
75% of x = 18
75/100 * x = 18 (x = total number of students)
solving
x = 24
total number of students = 24
Checking:
75/100 * 24 = 18