4 years ago

8 + x + y = 8 + y + x. This is an illustration of which property?

Mathematics

2 answers:

stellarik [79]4 years ago

4 0

In the given equation commutative property is used for x and y i.e x+y=y+x, so ans is A

Tom [10]4 years ago

3 0

C. Associative Property

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Jim and Mark left a 20% tip after having lunch at a restaurant. The amount of the tip was $12. Mark's lunch cost $16. Write an e

Vlad1618 [11]

Answer:

$44

Step-by-step explanation:

Use formula

% out of 100/100% = part/whole

20%/100 = 12/16+x

Cross multiply

(12)(100) = (20)(16+x)

1200=320+20x

Solve for x

1200-320 = 20x

880 = 20x

880/20 = x

44 = x

Jim's lunch was $44.

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Stolb23 [73]

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Step-by-step explanation:

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bulgar [2K]

$\sin\theta=\dfrac{opposite}{hypotenuse}\\\\\cos\theta=\dfrac{adjacent}{hypotenuse}\\\\\tan\theta=\dfrac{opposite}{adjacent}$

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