The denominator says of an hour. We know that an hour lasts 60 minutes, which means 1/4 hour can simplify into , which is which simplifies into 15 minutes. This means that the simplified fraction is .
Answer:
Okay. I got:
FGCE
Step-by-step explanation:
That would be zero.
Obtuse means more than 90 degrees. A triangle's angles add up to 180 degrees so can't have two obtuse angles.
x=2, x=-2
3x²-3+4x²-12=13
7x²=13+12+3
7x²=28
x²=4
x=-2
x=2