Answer:
2.5 dollars a day
Step-by-step explanation:
17.5 /7 in calculator
Answer:
b = 10
Step-by-step explanation:
P = 2 (l + b)
l = 15
P = 50
Substitute
50 = 2 (15 + b)
multiply
50 = 30 + 2b
subtract
20 = 2b
divide
b = 10
Cos Ф=side adjacent/ hypotenuse
In this case:
cos Ф=3/5
Answer: cos Ф=3/5