Answer: PAY ATTENTION IN CLASS AND STOP TALKING TO YOUR FRIENDS
Step-by-step explanation:
Answer:
Step-by-step explanation:
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Answer:
x1, x2 = 4.74 , -2.74
Step-by-step explanation:
To find the roots of a quadratic function we have to use the bhaskara formula
ax^2 + bx + c
x^2 - 2x - 13
a = 1 b = -2 c = -13
x1 = (-b + √ b^2 - 4ac)/2a
x2 =(-b - √ b^2 - 4ac)/2a
x1 = (2 + √ (2^2 - 4 * 1 * (-13)))/2 * 1
x1 = (2 + √ (4 + 52)) / 2
x1 = (2 + √ 56 ) / 2
x1 = (2 + 7.48) / 2
x1 = 9.48 / 2
x1 = 4.74
x2 = (2 - √ (2^2 - 4 * 1 * (-13)))/2 * 1
x2 = (2 - √ (4 + 52)) / 2
x2 = (2 - √ 56 ) / 2
x2 = (2 - 7.48) / 2
x2 = -5.48 / 2
x2 = -2.74
Answer:
it reduce the number by 6 mark me brainlist
Answer:
18 square units
Step-by-step explanation:
The square shows you the width and height of the triangle.
The area of any triangle if equal to 0.5 * width * height, so:
0.5 * 6 * 6 = 3 * 6 = 18 square units.
