-2+n=-8(1-8n)+6 solve for n.
1 answer:
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Answer:
The graph with solution is shown below.
Step-by-step explanation:
We need to find the and
for given equation.
For , substitute
Considering inequality sign as equality and simplifying,
, point is
Similarly,
For , substitute
We get,
, point is
We locate this two points on the graph now and join them.
The joining line will be dotted as the inequality has just 'greater than' symbol. The region above the dotted line is the solution to graph.
That's a trapezoid,
Answer: 32
But say we didn't know the formula. We can chop out the 4 by 4 square and we have two 45/45/90 triangles side 4 left over, so two 4 by 4 squares,
A = 2(4)(4) = 32
We can think of this as 12 by 4 rectangle with two 4 by 4 right triangles chopped out:
A = 12(4) - 2(1/2)(4)(4) = 48 - 16 = 32