Answer:
The answer will be 1/9
Step-by-step explanation:
any non zero expression will always be 1. you now have evaluate the powe (-3)^2 which will be 9. Answer should be 1/9. Good Luck!
Answer:
no you cant use these three ratios for any right triangle
Step-by-step explanation:
Ratios: 0.38, 0.93, 0.36
I\
0.38 I \ 0.93 right triangle
I \
I_____\
0.36
so this means a^2 + b^2 = c^2 would be true if these ratio worked
(0.36)^2 + (0.38)^2 = (0.93)^2
0.1296 + 0.1444 = 0.8649 NOT TRUE
Average speed = total distance travelled / time taken
in this case total distance = 2x miles
time taken for first half of the journey = x/10 hours and for second part its x / 8 hours
average speed = 2x / ( x/10 + x/8) = 2 x / ( 4x + 5x / 40)
= 2x * 40 / 9x = 80 / 9 mph 8.89 mph
