Answer:
Step-by-step explanation:
we will use first the distributive property and multiply
45+ 5a<110
subtract 45 from both sides
5a<110-45
5a<65 we divide by 5
a<13
Answer:
Step-by-step explanation:
Since we use the sides opposite and adjacent to the given angle, we will use the tangent ratio:
Insert the given values:
Since we need to find the angle, use the inverse:
Insert the equation into a calculator:
Round to the nearest tenth:
:Done
15-4=11
Step-by-step explanation: