Answer:
a
Step-by-step explanation:
the estimate to ur problem is 498
and a is 500
500 being closest to 498.
9514 1404 393
Answer:
geometric
Step-by-step explanation:
The signs of the terms alternate, so it cannot be an arithmetic sequence.
The ratios of terms are ...
6/-3 = -12/6 = 24/-12 = -2
The terms have a constant ratio of -2, so the sequence is geometric.
Answer:
Step-by-step explanation:
EC = 12÷2 = 6
ED = √(CD² - EC²) = √(16² - 6²) = √220 = 2√55 ≅ 14.8 units
Answer:
615.75
Step-by-step explanation:
you divide 87.92 by pi (3.14 in this case) to get diameter, which you divide by 2 to get the radius to solve for area which you get 615.75
