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2 answers:
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Answer:
Step-by-step explanation:
In every rhombus, when you have two diagonal segment bisectors, you will always have a circumcentre showing all midpoints of both segment bisectors, plus, it measures 90° all around, so with that being said, you have your answer.
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The solutions of the equations are -1.3 and -7.7
Step-by-step explanation:
The quadratic formula of solving the quadratic equation
ax² + bx + c = 0, where a, b and c are constant is:
To solve the quadratic equation by using the quadratic formula
1. Find the values of a , b and c from the equation
2. Substitute the values of a , b and c in the quadratic formula
3. Find the two values of x
∵ x² + 9x + 10 = 0
∴ a = 1 , b = 9 and c = 10
∵
∴
∴
∴ x = -1.3
∵
∴
∴
∴ x = -7.7
The solutions of the equations are -1.3 and -7.7
Learn more:
You can learn more about quadratic equation in brainly.com/question/8196933
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