Answer:
59°
Step-by-step explanation:
γ=cos^-1(18^2+22^2-20^2)/2*18*22)=58.99242°
Answer:
Choice C: 
Step-by-step explanation:
To find your slope do:


that's how you get 1/2
4 is just the y-int.
Answer:
1/4 of 10
Step-by-step explanation:
Answer:
8.8 pounds
Step-by-step explanation:
There are 7 days in a week, so the daily loss was ...
(28 kg)/(7 days) = 4 kg/day
In pounds, that is about ...
(4 kg/day)(2.2 lb/kg) = 8.8 lb/day
Answer:
True, all integers are rational numbers.
Step-by-step explanation:
Because each integer can be written as n/1 and integers can be positive and negative. For example, 3= 3/1 , 3 is the rational number. But all rational numbers like 1/2 =0.5 are not an integer. (fractions, decimals are not integers.)