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ankoles [38]
3 years ago
13

HELP ME PLEASEEEEEEEE I WILL MARK BRAINLIEST TO CORRECT ANSWER

Mathematics
2 answers:
Hitman42 [59]3 years ago
6 0

Answer:

9

Step-by-step explanation:

4a+7\\\\a=\frac{1}{2}\\\\=4[\frac{1}{2}]+7\\\\=2+7\\\\=9

Burka [1]3 years ago
6 0

Answer: a = 9

Step-by-step explanation:

so, we can start with multiply 4 by 1/2 (we substitute 1/2 for the a), which gives us 2. then, we simply add 7. that gets us to a = 9.

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Step-by-step explanation:

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Bills new porch is rectangular with an area of 50 square feet if the length is two times the width what is two times the width,
svlad2 [7]

Answer:

Step-by-step explanation:

Let L represent the length of the rectangular porch.

Let W represent the width of the rectangular porch.

The area of the rectangular porch is expressed as LW.

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LW = 50 - - - - - - - - 1

if the length is two times the width, it means that

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Substituting L = 2W into equation 1, it becomes

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