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tigry1 [53]
3 years ago
10

Roe bought a video game in Miami. The game was $30. Miami has a 7% sales tax. How much

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
6 0

Answer:$2.10

Step-by-step explanation:

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Answer:

a. =11+ 1

b. =4x+ (-7y) + (-5z) +6

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Step-by-step explanation:

a. 20 - 9 + 8 -7

=11+ 1  ( this is obtained by solving)

b. 4x - 7y - 5z + 6

=4x+ (-7y) + (-5z) +6

We multiply the negative sign with the positive sign to get a minus so the answer remains the same and the expression is written as an addition sum.

c. -3x - 8y - 4 - 8/7z

-[ 3x+8y+4+8/7z]

or

(-3x) + (-8y) +(-4) +(-8/7z)

The minus sign is taken as common leaving the expression with the plus only.

It can be written in the same manner as above, adding the negative terms so that the expression is written as a sum.

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2 years ago
Mr. Hasson has a coupon that says 25% off. He buys a pair of biking shorts that originally costs $34. He calculates 25% of 34 an
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3 years ago
If a = 14 and b = 14, then a = b.
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The next event requires each runner to jump 8 hurdles that are spaced 12.3 meters apart. If there are 15 meters from the startin
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