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Effectus [21]
3 years ago
14

If a classroom has 7 students with black hair and there are 24 students in the

Mathematics
1 answer:
telo118 [61]3 years ago
3 0

Answer:

  29.2%

Step-by-step explanation:

The fraction of students with black hair is 7/24. To convert that to a percentage, multiply by 100%.

 7/24×100% = 29.1666(repeating)% ≈ 29.2%

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trapecia [35]

Answer:

9:3;27:9;87:27

Step-by-step explanation:

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5 0
3 years ago
Find the area of the following triangle:<br> b= 20, c = 15 , A=46
ikadub [295]

Answer:

a = 46

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c = 15

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Step-by-step explanation:

4 0
3 years ago
Using a white-board with graph paper or graphing technology such as Geogebra be able to perform a reflection for a pre-image ove
Marta_Voda [28]

Explanation:

The line of reflection is the perpendicular bisector of the segment joining a point with its reflected image.

___

The segment joining a point with its reflection is as short as possible consistent with the requirement that the reflected point be the same distance from the line that the original is. That means it is perpendicular to the line of reflection. Since the distance from that line is the same on either side, the line of reflection bisects the joining segment.

7 0
2 years ago
Combine like terms in the expression below:<br> 9x + 4.05xy + 15y + 30y - 11x + 9.46
aev [14]

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Step-by-step explanation:

9x + 4.05xy + 15y + 30y - 11x + 9.46

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6 0
3 years ago
Ok so umm last question for tonight i hope but um please help
amid [387]

Answer:

fish=3,5,15

snails=1,4,4

Step-by-step explanation:

5 0
2 years ago
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