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jeka57 [31]
3 years ago
6

2(3 + x) – x(7 + x) if x = 3 Pls someone answer and work

Mathematics
2 answers:
diamong [38]3 years ago
7 0

Answer:

the answer would be -18

Step-by-step explanation:

3+3=6 2×6=12. 7+3=10 3×10=30 12-30= -18

Deffense [45]3 years ago
5 0

Answer:

Step-by-step explanation:

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Answer:

Step-by-step explanation:

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A newspaper’s cover page is 3/8 text, and photographs fill the rest. If 2/5 of the text is an article about endangered species,
jolli1 [7]

Answer:

\frac{3}{20}

Step-by-step explanation:

Let x be the cover page

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3 years ago
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Two groups of students were asked how far they lived from their school. The table below shows the distances in miles:
garri49 [273]
The mean distance for a group is the sum of individual numbers over the number of data. The mean distance of Group A is (1+1.5+3+3.2+2.8+1.5+1.8+2.5+2.2)/9=2.17 The mean distance of Group B is (<span>2+2.5+3.2+3+1.8+2.4+3+1.5+1.8)/9=2.36. Therefore, the mean is greater for group B than group A, but not doubling.</span>
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three, twelve, five, and six

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