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shtirl [24]
2 years ago
14

Translate this verbal expression into an algebraic equation and solve: thirteen less than twice the sum of a number and six is 4

7.
you must also give the equation.
Mathematics
1 answer:
Vesna [10]2 years ago
7 0

Answer:

Please check the explanation.

Step-by-step explanation:

Given the verbal expression

''Thirteen less than twice the sum of a number and six is 47''.

Let us break down the verbal expression into an algebraic equation

  • Let the number be = n
  • Twice the number n = 2n
  • Sum of twice the number and six = 2n+6
  • Thirteen less than twice the sum of a number and six = 2n+6-13

And finally

Thirteen less than twice the sum of a number and six is 47:

2n+6-13 = 47

Therefore, the equation is:2n+6-13 = 47

Solving the algebraic expression

solving the equation for 'n'

2n+6-13 = 47

2n-7=47

Add 7 to both sides

2n-7+7=47+7

Simplify

2n=54

Divide both sides by 2

\frac{2n}{2}=\frac{54}{2}

Simplify

n=27

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vitfil [10]

Answer:

Rectangular area as a function of x :   A(x)  = 200*x  + 2*x²

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Dimensions:

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Step-by-step explanation:

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l  = 200 - 2*x     ⇒ l = 200 - 2*50   ⇒  l = 100  m

A(max)  =  100*50

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