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ExtremeBDS [4]
2 years ago
13

Find the area of a circle with radius, r = 6.43m. Give your answer rounded to 2 DP.

Mathematics
1 answer:
Vesna [10]2 years ago
5 0

Answer:

129.89 m²

Step-by-step explanation:

Area of a circle of radius r is A = πr².

If r = 6.43 m, then A = π(6.43 m)²  =  129.89 m²

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Prove that 3 + 2√5 is irrational
netineya [11]

Answer:

A rational number is any integer, fraction, terminating decimal, or repeating decimal. The square root is not rational.

<em>good luck, i hope this helps :)</em>

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3 years ago
An artist wants to make alabaster pyramids using a block of alabaster with a volume of 576 cubic inches. She plans to make each
8_murik_8 [283]
Volume of pyramid:

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3 0
3 years ago
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vichka [17]
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Irina-Kira [14]

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5 0
3 years ago
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As – 16a,<br> as – 4a3,<br> 2a3 + 8a - 4a2 - 16
vfiekz [6]

Answer:

1) as-16a

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=a(s-16)

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taking a as common

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i hope this will help you :)

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