Answer:
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Step-by-step explanation:
Answer:
C. 1.5 cm
Step-by-step explanation:
A pentagon is a polygon with 5 sides.
The formula for the area of a regular polygon is
where a is the apothem and p is the perimeter. The perimeter is found by multiplying the number of sides of the figure by the length of 1 of those sides:
5(2.2) = 11
Now we have everything we need to solve for the length of the apothem.
Begin by multiplying both sides by 2 to get rid of the fraction, so
16.6 = 11a Divide both sides by 11 to get
a = 1.5090909 or
C. 1.5 cm
Answer:44
Step-by-step explanation:
Step-by-step explanation:
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Answer:
x^3 + 6x^2 - 9x - 14
Step-by-step explanation:
The zeros of a polynomial are the solutions to its factors. When the factors are set equal to 0, the zeros are the result. To write the equation, use the zeros to reverse the process to find the factors which multiply to make the equation.
x = -1 results from the factor x + 1 = 0
x = 2 results from the factor x - 2 = 0
x = 7 results from the factor x - 7 = 0
Since all zeros have multiplicity of 1, this means there is no exponent on the factored expressions. So the equation of the polynomial is (x+1)(x-2)(x-7).
Multiply the factors using the distributive property to find the equation in standard form.
(x+1)(x-2)(x-7)
(x^2 + 1x -2x - 2)(x+7)
(x^2 - x - 2)(x+7)
x^3 - x^2 - 2x + 7x^2 - 7x - 14
x^3 + 6x^2 - 9x - 14
