Which graph shows a system of equations with a solution at (–1, 1)?
2 answers:
Answer:
<h2>The right answer is the second graph.</h2>Step-by-step explanation:
All choices are attached.
Each graph is representing a system of equations which is not linear, because a parabola is not a linear relation.
According to the problem, we have to choose the system which solution is (-1,1). To do so, we just have to observe which graph has an interception point at (-1,1).
You can observe that the second graph has the interception point at (-1,1), that is, both functions has that point in common, because they intercept there.
Therefore, the right answer is the second graph.
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Answer:
<h2> 112.3 square units</h2>Step-by-step explanation:
Find the sketch of the triangle attached.
Area of the triangle =
Given PQ = 20, PR = 12 and ∠QPR = 68°
Area of the triangle = 1/2 * 20 * 12 * sin68°
Area of the triangle = 120sin68°
Area of the triangle = 112.26 square units
Area of the triangle ≈ 112.3 square units (to the nearest tenth of a square unit)
Answer: Option 'c' is correct.
Step-by-step explanation:
Since we have given that
On producing 150 units, its average total cost = $24.50
We need to find the total cost.
As we know that
Hence, total cost is $3675.00.
Therefore, Option 'c' is correct.