Answer:
48
Step-by-step explanation:
First you convert the percentage into a decimal. 18% to 0.18, then you multiply that decimal to the price of the item being discounted and bam, you have your price.
Estimating the area:
Calculating wallpaper:
we round up here because they will need a full roll to complete the room. Since they can't buy 7.92 rolls, they must buy 8.
Calculating cost:
Answer:
- area: 256 ft²
- perimeter: 64 ft
Step-by-step explanation:
The area of a square of side length s is ...
A = s²
The area of Melinda's garden is ...
A = (16 ft)² = 256 ft²
__
The perimeter of a square with side length s is ...
P = 4s
The perimeter of Melinda's garden is ...
P = 4(16 ft) = 64 ft
X^2 + (y-8)^2 = 64
use the center for the left side of the equation. X goes with X, Y goes with Y. Always do the opposite sign. The equation is equal to the radius squared
Hope this helped : )
