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3 years ago

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So, the question on my test was a pair of in line skates is on sale for 90. if this price represents a 9% discount from the orig

inal price, what is the original price to the nearest cent. My teacher got 98.90, but i got 98.10. which is mathematically correct?

1 answer:

crimeas [40]3 years ago

5 0

Pay attention in class

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Which two expressions are equivalent?

MariettaO [177]

Answer:

First option

Step-by-step explanation:

The result of first expression:

7(6+z) multiply 7 with inside the parenthesis

7(6+z) = 42 + 7z

the result of second expression:

since we need to do multiplying first,

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then we add them

42 + 7z this is the same result we found for the first equation

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2 years ago

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3 years ago

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3 years ago

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Fantom [35]

Answer:

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Step-by-step explanation:

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3 years ago

A company has two manufacturing plants with daily production levels of 5x +14 items and 3x-7 items, respectively. The first pla

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Answer:

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Step-by-step explanation:

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$\text{Plant 1 - Plant 2}=5x+14-3x+7\\\\=2x+21$

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3 years ago