Answer:
Step-by-step explanation:
We have to follow these rules:
+/+ = +
-/- = +
+/- = -
-/+ = -
so
positive numbers:
+2/+3 ; -2/-3 ; -1/-3 ; +1/+3
negative numbers:
+2/-3 ; -2/+3 ; -1/+3 ; +1/-3
Answer:
30%
Step-by-step explanation:
F(-5) just means that your substituting the number -5 for every x value. So if you have x+1 this would be -5+1 which is -4
The answer for 8n + 10 = 90 - 2n is n= 8
The answer for 12 - 9i = 24 - 3i is i = -2
The answer for 6a + 81 = 5a - 18 is a= -9
Tan(31°) = h/103
h = 103tan(31°) feet
