Answer:
A ≈ 530 cm²
Step-by-step explanation:
The swept area equals the total area covered by the blade minus the unswept area.
The area of a sector with radius r and angle θ is:
A = (θ / 360) πr²
So the swept area is:
A = (θ / 360) πR² − (θ / 360) πr²
A = (θ / 360) π (R² − r²)
A = (150 / 360) π (21² − 6²)
A ≈ 530 cm²
It would be d, since he will pay $12 per hour, equivalent to 12×h or 12h.
Try this solution, if it is possible check it in the other sources.
P.S. for the radius of convergence: it is clear that all the members of the series (except the 1st and the 2d ones) are '0'.
Answer:
9. Let's simplify step-by-step.
Ans. 5x + 24 + 147
Combine Like Terms:
= 5x + 24 + 147
= ( 5x ) + ( 24 + 147 )
= 5x + 171
10. Let's simplify step-by-step.
Ans. 3x + ( 7x + 10 )
Combine Like Terms:
( 3x + 7x ) + 10
10x +10
11. Let's simplify step-by-step.
Ans. 5x + ( 2 + 3 )
5x + 5
12. 4 * 10
Ans. 40
13. 3 ( 12x )
Ans. 36x
14. 14r + 9y + 6x
Ans. 14r + 6x + 9y
Hope it helps
Please mark me as the brainliest
Thank you
