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Brilliant_brown [7]
2 years ago
5

How do I solve this? please help

Mathematics
1 answer:
Ghella [55]2 years ago
7 0

Answer:

4322 ft^2

Step-by-step explanation:

First, we need a formula. The formula is (50*110) - (3.14*18^2) - (4*40). The answer is 4322 ft^2 (This is the rounded answer)

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Alan is 5 years older than Bob. Bob is twice as old as Cindy. All their ages add up to 20. What are their ages?
Llana [10]
We can use a variable equation to solve this. Let A represent alan's age, B represent bob's age, and C represent Cindy's age. So Bob's age would be Alan's age - 5, or a -5 = B. Then Bob's age would be double Cindy's age, so that means 2 multiplied by Cindy's age = Bob's age, or 2C = B. Your two equations are: 

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4 years ago
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