The area of the triangle is 10 square units. What is the measure of the base of the triangle?
2 answers:
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Given that the vertex of the parabola is (4,-3)
The parabola passes through the point (2,-1)
We need to determine the standard form of the equation of the parabola.
<u>Standard form of the equation of the parabola:</u>
The standard form of the equation is where the vertex is (h,k) and a is the constant.
Substituting the vertex (4,-3) in the above equation, we get;
---------------(1)
Substituting the point (2,-1) in the above equation, we have;
Thus, the value of a is
Substituting the value of a in the equation (1), we get;
Thus, the standard form of the equation of the parabola is
Answer:
52 miles per hour
Step-by-step explanation:
The speed of the car can be found by dividing the distance by the time. THe distance is 117 miles and the time is 2 1/4 hours or 2.25 hours.