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Maksim231197 [3]
3 years ago
9

Simplify expression 2i(4.5-20i)3i

Mathematics
1 answer:
Margaret [11]3 years ago
3 0

Answer:

-27+120i

Step-by-step explanation:

that is the answer

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Step-by-step explanation:

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1) Find the circumference and area of each circle:
MA_775_DIABLO [31]

Answer:

a] Radius of circle = 10 feet

Circumference of circle = 94.2 feet (Approx.)

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Step-by-step explanation:

Given:

a] Radius of circle = 10 feet

b] Radius of circle = 6 cm

Find:

Circumference an area for both circle

Computation:

Circumference of circle = 2πr

Area of circle = πr²

a] Radius of circle = 10 feet

Circumference of circle = 2(3.14)(10)

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Area of circle = (3.14)(10)²

Area of circle = 314 feet² (Approx.)

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Circumference of circle = 37.68 cm (Approx.)

Area of circle = (3.14)(6)²

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Step-by-step explanation:

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