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Anna71 [15]
3 years ago
14

Help me with 2, 8, and 10 plz

Mathematics
1 answer:
OverLord2011 [107]3 years ago
3 0

For #2:

<span> 3x^2 + 4 – 2x^2 + 6</span>

<span><span>You need to combine your like terms:
</span> 3x^2 – 2x^2= x^2</span>

4 + 6 = 10

This will now give you:

<span>X^2 +10</span>
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mike observed that 75% of the students of a school liked skating. if 35 students of the school didn't like skating, the number o
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Cross multiply.

75 / x = 25 / 35
   25x = 35(75)
   25x = 2625
   /25     /25
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Therefore 105 students liked skating.

Proof:

105 + 35 = 140.
140 * 0.75 = 105
140 * 0.25 = 35

140 (total) split into quarters.

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35 = 35 (1 quarter disliked)
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