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mafiozo [28]
3 years ago
12

PLEASE HELP URGENTLY!!!!¡!!!!!!¡

Mathematics
1 answer:
DaniilM [7]3 years ago
4 0
<h3>There are 3 answers: Choice A, Choice D, Choice F</h3>

Explanation:

2 & 1/2 = 2.5

10 + (-2.5) can be represented by starting with 10 and then dropping by 2.5, which is what choice A is saying

or we can start with -2.5 and add on 10. This works because we can add numbers in any order, example: 2+3 = 3+2 = 5. So starting with -2.5 and adding on 10 is represented by choice D's and choice F's examples

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Can you please help me on 6(1+n)=8n-3(n-7)
Nana76 [90]

Answer:

n = 15

Step-by-step explanation:

6(1+n)=8n-3(n-7)

Distribute

6 +6n = 8n -3n +21

Combine like terms

6+6n = 5n +21

Subtract 5n from each side

6+6n-5n = 5n-5n +21

6 +n = 21

Subtract 6 from each side

6-6+n = 21-6

n = 15

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3 years ago
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Step-by-step explanation:

Hello,

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3.006 rounded to the nearest tenth is 3.0. This is due to the fact that the 6 rounded up will mean that the current 0 becomes 1, but this will not be carried to the tenth when rounding up.
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Write 1/2 as a percent
Yakvenalex [24]
1/2 as a percent is 0.5
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