8 times 8 is the closest you can get to 71 without going over, since 8 times 9 would be 72.
77 - (-145) = 77 + 145 = 222
Answer:
2.6
Step-by-step explanation:
4 squared - 3 squared =7
Square root 7 equals 2.6 to the nearest tenths
The answer is in the photo above
Factor out sin x
Sin x (sinx +1) = 0
Use the zero product property
Sin x=0
Sin x+1 = 0
Solutions
x= 0 degrees
x= 270 or -90 degrees