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victus00 [196]
3 years ago
8

(2a x b) x c =2a x (b x c) is an example of which property?

Mathematics
1 answer:
prohojiy [21]3 years ago
6 0

Answer:

Associative property of multiplication.

Step-by-step explanation:

You can group factors in different ways and still get the same product.

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Gọi AH là đường cao kẻ từ A đến BC

Xét tam giác AHC vuông tại H

Suy ra AH = HC. cotA= 9.cot35° = 12,9

Xét tam giác AHB vuông tại H

Suy ra BH = AH.tanA = 12,9.tan61°=23,37

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Step-by-step explanation:

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In a bag of marbles, 10 are blue, 30 are yellow, 20 are red, and 40 are green.AN marbles is taken from the bag without looking.
antoniya [11.8K]

Answer:

see below

Step-by-step explanation:

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