The interest rate needed to double the investment in 18 years is 6%.
<h3>What is the interest rate?</h3>
Interest earned is a function of the amount invested, interest rate and time. The future value of the investment is to be $6000 (3000 x 2). Interest earned would be $3000 (6000 - 3000)
Interest rate = interest earned / (amount invested x time )
$3000 / ($3000 x 18) = 6%
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Answer:
It would be CB, BA, AC
Step-by-step explanation:
Explanation is in the file
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Answer: He will need 20 feet of fabric .
Step-by-step explanation:
Given: circumference of cushion = 7.85 feet.
Since , circumference =
, where r = radius.

Area of each piece = 

Area of 2 pieces = 2 x 5 feet = 10 feet
Area for 2 cushions = 2 x (Area of 2 pieces)
= 2 x 10 feet = 20 feet
He will need 20 feet of fabric .
Answer:
D
Step-by-step explanation: