Answer:
3(4+n) = 12+n is an equation that could be used.
12n = 12+n
11n = 12
n= 1+1/11
Step-by-step explanation:
The solution to the quadratic equation 3x² + 8x - 10 by using the quadratic formula is x = 0.927 or -3.594
<h3>Solving quadratic equations.</h3>
Quadratic equations are algebraic expressions that are represented in the power of the second degree. They usually take the form ax² + bx + c
From the given information, we are to solve the quadratic equation:
Using the quadratic formula:

where:



x = 0.927 or -3.594
Learn more about solving quadratic equations here:
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<span>Out of those, 8 is the one that is a perfect cube. </span>
Answer:
x = 50
Step-by-step explanation:
the angle next to x is 65 so the angle on the oposite side will also be 65.
a straight line = 180
so 180 - 65 -65 = 50
x = 50