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serious [3.7K]
2 years ago
11

PLZZZ HELP I DONT UNDERSTAND THIS AT ALLLLLL. :( :(

Mathematics
1 answer:
NISA [10]2 years ago
4 0

Answer:

W÷9=z

Step-by-step explanation:

18÷9=2

45÷9=5

81÷9=9

Z is the quotient of W when divided by 9.

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Express the percent as a decimal. { 98% }
soldier1979 [14.2K]

Answer:

98.

Step-by-step explanation:

6 0
3 years ago
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PLZ PLZZZZ HELP ASAP!!!!! <br> Explain the error: 144x2 - 100 (12x + 10)(12x - 10) 2(6x + 5)(6x - 5)
iogann1982 [59]

9514 1404 393

Answer:

  a factor of 2 is shown, but 4 was factored out

Step-by-step explanation:

The difference of squares is factored as ...

  a² -b² = (a +b)(a -b)

Then the given difference of squares factors as ...

  144x² -100 = (12x)² -10² = (12x +10)(12x -10)

Each of these factors has a factor of 2 that can be factored out:

  = (2(6x +5))(2(6x -5))

  = (2·2)(6x +5)(6x -5)

  = 4(6x +5)(6x -5)

The first factor should be 4, not 2.

7 0
2 years ago
How many milliliters are equal to 7 liters?
AlekseyPX

Answer:

7000

Step-by-step explanation:

5 0
3 years ago
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ABC and CBD form a linear pair and have equal measures. Tell if ABC is acute, right, or obtuse
Murrr4er [49]
To form a linear pair means that when added, they equal 180 degrees.
but if they have equal measures....180/2 = 90...then they would both equal 90 degrees.....and 90 degrees is a right angle. 
So ABC and CBD are both right angles
6 0
3 years ago
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Find the central angle of a sector of a circle if the area of the sector and the area of the remaining part of the circle are in
andre [41]

Answer:

288

Step-by-step explanation:

360/5 = 72

72x4 = 288

8 0
2 years ago
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