Answer:
Hi,
Step-by-step explanation:
PR²=PQ²+QR²-2*PQ*QR*cos(51°)
=15²+12²-2*15*12*cos(51°)
=142,444659....
PR=11.9350...
PQ²=QR²+PR²-2*QR*PR*cos(R)
cos(R)=(12²+142.444...-15²)/(2*12*11.9350...)=0,21451112....
angle R=77,61315...°≈77.6°
angle P=180°-51°-77.6°≈51,4°
Answer:
b option im not sure but
Step-by-step explanation:
Answer:
divide both sides by -5
Step-by-step explanation:
-5x/-5=59/-5
Answer:
b because first u need to remove the parentheses then u disturbe
Answer:
14.7
Step-by-step explanation:
when you multiply 3.2×4.6 you get 14.72 but what you do is round off the nearest cent and it should give you 14.7 or 14.70
