Answer:
the mean is 7
Step-by-step explanation:
used a mean calculator
Cos = adjacent / hypotenuse
cos 25° = 4 / AB
cos 25° • AB = 4 / AB • AB
AB cos 25° ÷ cos 25° = 4 ÷ cos 25°
AB = 4/cos 25°
AB = 4.41 (nearest hundredth)
Answer:
the answer is -8 13/30
Step-by-step explanation: