Answer:
răspuns corect :a 2x -8y +3
Step-by-step explanation:
dami coroana te rog
Answer:
-7y
Step-by-step explanation:
Answer: 47.86
Step-by-step explanation:
tan x =42/38
tan x= 1.105
x= 47.86
Time = Distance / speed
Time = 20 miles / 12mph
Time = 1 and 2/3 hours ( 1 hour and 40 minutes)
Answer:
Step-by-step explanation:
Put hypotheses as:

(Two tailed test at 4%)
Since population std deviation is given we can do Z test.

Test statistic t = mean diff/se = 
p value=0.075
Since p >0.04 our alpha, we accept null hypothesis.
At alphaequals0.04, we cannot reject the company's claim