Answer:
7 7/24
Step-by-step explanation:
first put the wholes inside the fraction:


Then multiply numerator times numerator, denominator times denominator and take out wholes again:

Answer:
Part a) The length of the mat is
Part b) The area of the mat is 
Step-by-step explanation:
step 1
Find the length
Let
L-----> the length of the rectangle
W---> the width of the rectangle
we know that
The perimeter of rectangle is


so

----> equation A
-----> equation B
substitute equation B in equation A

solve for W


Find the value of L
step 2
Find the area
The area of rectangle is equal to

substitute the values

Answer:
19.63
Step-by-step explanation:
If the radius is 5 centimeters, then the area is just 3.14*5^2 / 4, which is 78.5/4. This is equal to 19.625. Rounding this give us 19.63 as the final answer
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