Which system of equations has the same solution as the system below? 3x+3y=8 and 2x-y=5
2 answers:
Answer:
<h2>B. 3x+3y=8 4x-2y=10 </h2>Step-by-step explanation:
The choices for this question are
A. 3x+3y=8 4x-2y=5
B. 3x+3y=8 4x-2y=10
C. x+y=8 2x-y=5
D. 9s+9y=22 18x+9y=45
Among the options, the system that has the same solutions than the given system is B., because as you can observe such system has the same equations, the first one is the same equation 3x+3y=8, and the second one is the same equation with a factor applied, if we divide such equation by two, we would have
As you can observe, we get the same second equation that it's included in the given system
So, we can conclude that the system B, and the given system are the same, therefore they have the same solutions.
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Using the vertex of a quadratic function, she should harvest her honey after 64 days to maximize profit.
<h3>What is the vertex of a quadratic equation?</h3>A quadratic equation is modeled by:
The vertex is given by:
In which:
Considering the coefficient a, we have that:
- If a < 0, the vertex is a maximum point.
- If a > 0, the vertex is a minimum point.
The profit function is given as follows:
P(t) = -16t² + 2050t + 150.
The coefficients are a = -16 < 0, b = 2050, c = 150, hence the t-value of the vertex is:
Hence she should harvest her honey after 64 days to maximize profit.
More can be learned about the vertex of a quadratic function at brainly.com/question/24737967
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Answer:
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