Answer:
cos(O) = 39 / 89
Step-by-step explanation:
Given:
ΔOPQ, where
∠Q=90°
PO = 89
OQ = 39
QP = 80
cosine of ∠O?
cos(O) = Adjacent / Hypotenuse
cos(O) = 39 / 89
Answer:
2x ÷ 4
Step-by-step explanation:
Answer:
The answer is t=12n+15
Step-by-step explanation:
Step one:
Given data
Each calendar costs $12
Shipping fee = $15
let the number of calendars ordered be n
and let the total cost be t
Step two:
Required
The expression for the total cost t
<em>t= 12n+15</em>
Answer:
3(x+2) - 5
Step-by-step explanation: