Answer: B: 70, 80, 30
Step-by-step explanation:
An acute triangle has all 3 angles at less than 90 degrees, therefore the answer is B because its the only one that has all three at <90
(ax-by)²+(bx+ay)²
a²x²-2axby+b²y²+b²x²+2axby+a²x²
a²x²+b²x²+b²y²+a²x²
(a²+b²)x²+(a²+b²)y²
(a²+b²)(x²+y²)
A rational number is one that u can turn into a fraction.
Anytime u have a whole number and u want to turn it into a rational number, put it over 1.
7 to a rational number would be 7/1
Answer:
i think it will be 0 .....
5/1+2 and that the answer
