Right triangle = Pythagoras theorem.
a^2+b^2=c^2
there's already c and b so
10^2-8^2=a^2
100-64= 36
a^2=36
square root both sides
to get 6.
2x + y = 3
3x - y = 12
Add both equations
5x = 15, x = 3
2(3) + y = 3
6 + y = 3, y = -3
Solution: x = 3, y = -3... or (3,-3)
Answer:
nice to see you again
Step-by-step explanation:
14.) 20
15) 16
16) true
Answer:Scientific Notation:9.8421*10^-4
Step-by-step explanation:
In 2 years theirs 17520 in total!
