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belka [17]
3 years ago
7

Please help me I’m not sure if I’m right lol :)!!!!

Mathematics
2 answers:
wlad13 [49]3 years ago
8 0

Answer:

You are correct! The answer is 4775.94 in^2

Step-by-step explanation:

πr^2 or π(39)^2

iVinArrow [24]3 years ago
3 0

Answer:

You are correct :)

Step-by-step explanation:

Area of a circle = π * r2

R = 39

So 39 squared is 1521.

1521 times pi is 4775.94

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James makes fruit punch by mixing fruit jucie and lemonade in the ratio 1:4 she needs to make 40 liters of punch for a party How
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Answer:

Part 1.

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Part 2.

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Part 3.

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Step-by-step explanation:

Part 1.

1+4 = 5 parts altogether, 1 parts for juice and 4 parts for lemonade.

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Part 2.

1 parts of juice needs 4 parts of lemonade

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x = 4*4/1 = 16 L lemonade

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Part 3.

It was 4 L of juice and 16 L of lemonade.

After 2 L lemonade was added, we have 4 L of juice and (16+2) = 18 L of lemonade.

4 L juice : 18 L lemonade = 4/2 L juice : 18/2 L lemonade =

= 2 L juice: 9L lemonade

New ratio juice : lemonade = 2 : 9

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