Answer: 1: x^2 + 25 = 0 x=5
2: x^2 - 11x + 28 = 0 x=7 i think
3: x^2 + 8x + 16 = 0 x=-4
Step-by-step explanation:
Answer:
D. None.
Step-by-step explanation:
Say the obtuse angle is 100 degrees. Since the sum of all angles in a triangle cannot be bigger than 180, it's not possible because 195 (100+95) is greater than 180 degrees. Hope this helps.
Answer:
Frrr its always math -_-
Step-by-step explanation:
Answer:
x=12 if you divide you'll get 4
Answer:
87.25%
Step-by-step explanation:
Data given in the question
Before the final exam for a course, the average percentage is 85%
The counting percentage of the course grade is 15%
So by considering the above information, the best course grade your friend is
= 
= 0.7225 + 15
= 87.25%
The remaining percentage is come from
= 100% - 15%
= 85%
Hence, the best course grade is 87.25%