Answer:
- perimeter: 46 ft
- area: 126 ft²
Step-by-step explanation:
Since the 3 ft edge is on both sides of the pool, each dimension of the pool is 6 ft shorter than the corresponding dimension of the space. The pool will be 15 ft -6 ft = 9 ft in one direction and 20 ft -6 ft = 14 ft in the other direction.
The perimeter of the pool is the sum of its side lengths:
P = 9 ft + 14 ft + 9 ft + 14 ft = 2(9 ft +14 ft) = 2(23 ft)
P = 46 ft
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The area of the pool is the product of its length and width:
A = (14 ft)(9 ft) = 126 ft²
The perimeter and area are 46 ft and 126 ft², respectively.
D is most likely right. Basically, I would turn them into decimals and divide using a graphing calculator.
Answer:
A, B, D, E
Step-by-step explanation:
To find if something is equal to fifty percent, split the second number in half.
For example, lets use option D.
32/2=16
16 is the first number in the option, meaning it is 50%.
Lets use an example where it wouldn't work. In this case, option C.
12/2=6
6≠9
Meaning 9 is not 50% of 12.
Answer:
7.5
Step-by-step explanation:
12/18 = 5/x
12x = 18(5)
12x = 90
/12 /12
x = 7.5
Hope this helps