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4 years ago

WILL GIVE BRAINLIEST AND POINTSSSS

Mathematics

1 answer:

KonstantinChe [14]4 years ago

3 0

Answer:

1) no; 202 + 212 ≠ 282

2) yes; 142 + 482 = 502

3) 2

4)18.0

hope this helped

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Answer:

$111m^{2}$

Step-by-step explanation:

First you need to break the shape up to rectangles to make it easier to solve.

bottom rectangle : 15 x 3 = 45m^2

Top rectangle : 12 x 3=36m^2

Middle rectangle : 12-3-3=6 (because we already solved the top and bottom part of it)

we need to work out the base so we do 15-5= 5cm

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3 years ago

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Step-by-step explanation:

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3 years ago

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NARA [144]

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3 years ago

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3 years ago

Given z=4+3i evaluate z

DerKrebs [107]

Answer:

Step-by-step explanation:

Assuming we want to evaluate |z|, given that, z=4+3i.

Then, by definition of modulus,

$|x + yi| = \sqrt{ {x}^{2} + {y}^{2} }$

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3 years ago