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2 years ago

IF A = [5, 6, 7] and B = [7, 8, 9] then A ∪ B is equal to

Mathematics

2 answers:

motikmotik2 years ago

8 0

Step-by-step explanation:

while uniting there A and B double number shouldn't be written in place of double we should write only one number and that is the model for these type of. question

Zielflug [23.3K]2 years ago

4 0

Answer:

=[5,6,7,8,9]

Step-by-step explanation:

a=(5,6,7)

B=(7,8,9)

AUB=(5,6,7)U(7,8,9)

=[5,6,7,8,9]

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Find the area of the polygon.

zalisa [80]

Answer:

$A=128\ cm^2$

Step-by-step explanation:

we know that

The area of the polygon is equal to the area of a square plus the area of four congruent triangles

$A=b^2+4[\frac{1}{2}(b)(h)]$

where

$b=8\ cm\\h=4\ cm$

substitute

$A=8^2+4[\frac{1}{2}(8)(4)]$

$A=64+64=128\ cm^2$

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3 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

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3 years ago

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kotegsom [21]

Answer:

Step-by-step explanation:

Step 1:

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Step 2:

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Answer:

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3 years ago