El valor de cierta joya es directamente proporcional al cuadrado de su masa. Una joya de este tipo costó Q1000.00. Si dicha joya se divide de manera que un pedazo equivale a los 2/5 de la masa total, ¿qué precio tendrá ese pedazo?

step-by-step explanation:

the correct answer to your question is a. 4^4

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x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.