Answer:
3.17
Step-by-step explanation:
0.45x + 0.72 + 5x = 18
5.45x = 17.28
x = 3.17
12*14*3= 504 square feet
504/42= 12
C. 12 rolls
1/2^-2 Can be written as 2^2
Therefore , 2×2=4
Answer:
The length of the rectangular park is
and the width of the rectangular park is
Step-by-step explanation:
Let
x ----> the length of the rectangular park
y ---> the width of the rectangular park
we know that
The perimeter is equal to


so
-----> equation A
----> equation B
substitute equation B in equation A and solve for y
Find the value of x

therefore
The length of the rectangular park is
and the width of the rectangular park is