What are the solutions of the quadratic equation 0 = –x2 – 6x – 8?
2 answers:
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Answer:
AB = cm
Step-by-step explanation:
As we can see from the figure, BCDE is a square with each corner equal to 90°.
So that, BDE is a right triangle with corner BED equal to 90°
As BDE is a right triangle, according to Pythagoras theorem, we have:
cm
As the diagram s the cube, so that it can be seen that AD is perpendicular to the surface BCDE
=> AD is perpendicular to BD
=> ADB is the right triangle with corner ADB equal to 90°.
As ADB is the right triangle, ccording to Pythagoras theorem, we have:
cm
=> cm
Conclusion: AB = cm
Answer:
A.
Step-by-step explanation:
It is A because the puppy is <em>at least </em>15 pounds and it means the puppy could be greater or equal to 15 pounds.