If using the method of completing the square to solve the quadratic equation x^2 + 9 x + 7 = 0 , which number would have to be a
1 answer:
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Answer:
8 inches.
Step-by-step explanation:
In the first bounce, the height that the ball reaches was 125 inches.
If the ball always bounces back to of the height, then after 2nd bounce it will reach
inches height.
Again, after 3rd bounce, it will reach inches height.
And, after 4th bounce, it will reach inches height. (Answer)
The area of triangle ABC is the amount of space on the triangle
The area of the triangle is 54.84 square units
<h3>How to determine the area of triangle ABC</h3>Start by drawing the triangle (see attachment)
Next, calculate the measure of angle B using the following tangent ratio
This gives
Take the arc tan of both sides
Multiply by 2
Next, calculate the length of side AD using the following equation
This gives
The area of the triangle is then calculated as:
This gives
Hence, the area of the triangle is 54.84 square units
Read more about areas at:
