Answer:
area ≈ 6.3 units²
Step-by-step explanation:
Calculate the area (A ) of the sector as
A = area of circle × fraction of circle
= πr² ×
= π × 4² ×
= 16π × ← cancel 8 and 16 by 8, leaving
A = 2π ≈ 6.3 units² ( to 1 dec. place )
George uses diagram to help determine 30% of 60. what expression could george used?
2 answers:
You might be interested in
Answer:
The equation that models the cost of each bracelet is . Cost of each bracelet is $7.
Step-by-step explanation:
Let the cost of each bracelet is defined by the variable x.
Cost of 9 bracelet is 9x. The shipping cost is $9. Therefore the total cost of 9 bracelets, including shipping is
The total cost for 9 bracelets, including shipping is $72.
Subtract 9 from both sides
Divide both sides by 9.
Therefore the cost of each bracelet without shipping changes is $7.