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Mariana [72]
2 years ago
5

(n + 3) ÷ 5 = 3? HELP

Mathematics
2 answers:
timurjin [86]2 years ago
7 0

Answer:

12/5

Step-by-step explanation: 12/5 + 3 ÷ 5 = 3

boyakko [2]2 years ago
3 0

Answer:

n = 12

Step-by-step explanation:

Rewrite it as \frac{(n+3)}{5} = 3

Multiply both sides by 5

(n+3) = 15

You can drop the parenthesis now.

n + 3 = 15

n = 12

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<h2>Given:-</h2>

<h3>perimeter of rectangle=26cm</h3>

<h3>Area of rectangle=>30cm²</h3>

<h3>{•°• perimeter of rectangle=2(l+b) }</h3>

<h3>{•°•. Area of rectangle=lxb}</h3>

<h3>So, 2(l+b)=26</h3><h3> =>(l+b)=26/2</h3><h3> =>l+b=13</h3><h3> =>l=(13-b) ----------(1)</h3>

<h3>Again,</h3>

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<h3> =>b=10 or b=3</h3>

<h3>putting the value of b in equation (1)</h3>

<h3> =>l=(13-b)</h3><h3> =>l=13-10=3 { taking b=10}</h3><h3> =>l=13-3=10 { taking b=3}</h3>

<h3>Hence, length=3 when breadth=10</h3><h3> length=10 when breadth=3</h3>

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