4 men can finish a job in 7 days how many more people are needed to finish the job in 4 days?
1 answer:
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Answer:
B. 2, -0.5
Step-by-step explanation:
Given the equation
Rewrite it as
Graph the graph of the quadratic function
The grapg of this function is a parabola going downwards.
This parabola intersects the x-axis at points x = -0.5 and x = 2, so the solutions of the equation are x = -0.5 and x = 2
Answer:
A
Step-by-step explanation:
Plugging (t-2) in for x, you are left with:
or answer choice A. Hope this helps!