Given that,
To find,
The domain of f(x).
Solution,
We have,
To find domain,
The term under the square root must be positive or null as follows :
Adding 3 both sides
So, the domain is x-3>0
.
Say the width is W and the length is L
L=3W (and of course W=W)
Now you use the perimeter formula P=2L+2W
80=2(3W) + 2W)
80=6W+2W
80=8W Divide both sides by 8
W=10
Now that you know the width, substitute it back into L=3W to find the length
L=3(10)
L=30
The dimensions are length: 30 cm and width: 10 cm
It’s D
(It’s making me write more words)
Answer:
2 x 2 x 13
Step-by-step explanation:
2 times 26 = 52
You can break 26 up into 2 times 13.
So, you get 2 times 2 times 13.
I’m pretty sure it’s -15 but don’t take my word for it
