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Tatiana [17]
3 years ago
7

Find the area of a regular pentagon with side equal to 3 and apothem equal to K A= ______K

Mathematics
2 answers:
kirill [66]3 years ago
7 0

Answer: 5

Step-by-step explanation:

Leona [35]3 years ago
3 0
Formula for <span>area of a pentagon </span>is   A = (5/2)la  
where l is the length of a side and a is the length of an apothem Putting the value of l and a in equation:
   A = (5/2)(3)(k) = 15/2 k = 7.5k
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Burka [1]

Answer:

  (c)  y < x^2 -5x

Step-by-step explanation:

A quadratic inequality is one that involves a quadratic polynomial.

<h3>Identification</h3>

The degree of a polynomial is the value of the largest exponent of the variable. When the degree of a polynomial is 2, we call it a <em>quadratic</em>.

For the following inequalities, the degree of the polynomial in x is shown:

  • y < 2x +7 . . . degree 1
  • y < x^3 +x^2 . . . degree 3
  • y < x^2 -5x . . . degree 2 (quadratic)

<h3>Application</h3>

We see that the degree of the polynomial in x is 2 in ...

   y < x^2 -5x

so that is the quadratic inequality you're looking for.

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<em>Additional comment</em>

When a term involves only one variable, its degree is the exponent of that variable: 5x^3 has degree 3. When a term involves more than one variable, the degree of the term is the sum of the exponents of the variables: 8x^4y3 has degree 4+3=7.

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2 years ago
Please help me asapppp<br><br> ty :)
Norma-Jean [14]

Answer:

The slope of this parallel line is 3.

Step-by-step explanation:

Parallel lines have the same slope.  The given line y = 3x - 2 has the slope 3.  Therefore the desired parallel line also has the slope 3.  This is all that is necessary to answer this question.

The slope of this parallel line is 3.

4 0
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What is 13 9/2 ÷ 2 9/12 = ?
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Answer:

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Step-by-step explanation:

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Answer: Its true, Hope this helped

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Answer: C an equilateral triangle

Step-by-step explanation:

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