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EleoNora [17]
3 years ago
15

1/2(2-4x)+2x=13 What is x I need a step by step

Mathematics
1 answer:
Ilya [14]3 years ago
3 0

Answer:

x=3

Step-by-step explanation:

1/2(2-4x)+2x=13

1-2x+2x=13

4x=13-1

x=12/4

x=3

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If the population of a certain city increased 25% in two years, the new population was what percent of the old?
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125%

Step-by-step explanation:

This because if in origin the city was made up for example by 100,000 people, that was the 100% of the city. Now you add the 25% in two years and the city will be made by 125,000 people. So <em>100%+25%=125%</em><em>.</em><em> </em>

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(1,4)

Step-by-step explanation:

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At Andrew Jackson High School, students are only allowed to enroll in AP U.S. History if they have already taken AP World Histor
o-na [289]

Answer:

  • <u><em>About 0.22</em></u>

Explanation:

There are two sets:

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And there is a subset, which is the intersection of those two sets:

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The incoming seniors who are allowed to enroll in AP U.S. History, call them the subset S, is the set of those students that belong to W or E or both W ∩E.

By property of sets:

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