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Sergio [31]
3 years ago
8

How do you solve for -x-8 = 15 ?

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
5 0
Hope it helps you!!! Pls mark Brainliest...

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Todd uses 21 white tiles & some black tiles to make a mosaic.The mosaic has a total area of 144 square centimeters.Each tile
icang [17]

Answer: Todd used 27 black tiles.

Step-by-step explanation:

Let x represent the number of black tiles that Todd used.

Todd uses 21 white tiles & some black tiles to make a mosaic. This means that the total number of white and black tiles that Todd used is 21 + x

Each tile has an area of 3 square centimeters. This means that the total area covered by the white tiles is

21 × 3 = 63 square centimeters

Also, the total area covered by the black tiles is

3 × x = 3x square centimeters

The mosaic has a total area of 144 square centimeters. This means that

3x + 63 = 144

3x = 144 - 63

3x = 81

x = 81/3 = 27

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3 years ago
247x82 using in area model
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Komok [63]

Answer:

option 2

Step-by-step explanation:

6 0
3 years ago
The temperature dropped 8 degrees between 6:00 P.M. and midnight. The temperature at midnight was 26 F. Write and solve an equat
irga5000 [103]

Answer:

x = 34

Step-by-step explanation:

-8 = dropped 8 degrees

26 = 26 degrees at midnight

x = temperature at 6

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What is the CORRECT answer?
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Answer:

bro use the dang fromula

Step-by-step explanation:

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