Answer:
∠ B = 19°
Step-by-step explanation:
note ∠ C = 90° ( angle in a semi- circle )
The sum of the 3 angles in the triangle = 180°, thus
∠ B = 180° - (90 + 71)° = 180° - 161° = 19°
Answer:
6706.12
Step-by-step explanation:
by multiplying 6.64*1010 first u get 6706.4
then multiply 2.8*10/100
u get 0.28
finally subtract 0.28 from 6706.12
Answer:
8 heart beats per minute
Step-by-step explanation:
64/8
Answer:
the jar will last for 15 days