Answer:
115° and 245°
Step-by-step explanation:
Given
cos x = - 0.4226
Since cos x < 0 then x is an angle in the second / third quadrants, thus
x = (0.4226) = 65° ← related acute angle , thus
x = 180° - 65° = 115° ← angle in second quadrant
x = 180° + 65° = 245° ← angle in third quadrant
Answer:
7.5 = 8
Step-by-step explanation:
Step 1:
30/100=0.3
Step 2:
0.3 x 25 = 7.5
Round: 8
Answer:
see below
Step-by-step explanation:
-1.5
Integers have no fractional parts
-1.5 is -1 1/2 which has a fractional part
The rest are whole numbers and integers