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spin [16.1K]
3 years ago
14

1

Mathematics
1 answer:
Mariana [72]3 years ago
8 0

Answer:

x = 6

Step-by-step explanation:

∠ DBC + ∠ ABC = ∠ ABD , substitute values

5x - 4 + 8x - 3 = 79

13x + 1 = 79 ( subtract 1 from both sides )

13x = 78 ( divide both sides by 13 )

x = 6

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almond37 [142]

Answer:

12.5=4x+2.5 is the equation. First you would subtract 2.5 from both sides, leaving 10=4x. Then you divide by 4 and your answer would be x=2.5

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
13 cm<br> Diameter 6.4 cm<br> Find the volume to the nearest hundredth using<br> 3.14 instead of PI
AlekseyPX

Answer:

418.00 cm³

Step-by-step explanation:

The volume of a cylinder is given by πr²h (r being the radius and h being the height)

The radius is half of the diameter: 6.4/2 is 3.2.

The height shown here is 13.

Instead of pi, the question says to use 3.14 instead of pi.

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This can be expanded to 3.14×10.24×13.

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The problem says to the nearest hundredth, so you want to round it to 2 decimal places. Since the 6 is above 5, it gets rounded up, leaving you with 418.00 cm³.

7 0
3 years ago
What factors do 6 and 12 have in common?
ZanzabumX [31]

Answer:

6x^2 im pretty sure thats whats its asking for

Step-by-step explanation:

8 0
3 years ago
Determine the domain of the function.
AnnyKZ [126]
It it is the first choice i mentioned then B is the answer.
7 0
4 years ago
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Which angle pairs are supplementary? Check all that<br> apply.
Basile [38]

Answer:

The correct answers are B, C, and E.

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C. < 4 and < 5

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Step-by-step explanation:

The pairs in options B, C, and E add up to 180°, which is the definition of a supplementary angle.

Hope this helps!

8 0
3 years ago
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