Answer:
Step-by-step explanation:
2x+3x=4
5x=4
x=4/5
Α = 1- (95/100) = 1-0.95 = 0.05
p = 1- α/2 = 1- 0.05/2 = 1-0.025 = 0.975
Degrees of freedom, df = Sample size -1 = 11-1 = 10
From t-tables, with cumulative probability pf 0.975 and df of 10,
Critical value = 2.228
Answer:
2 to 8 pounds his can gain.
Step-by-step explanation:
Answer:
c and a are the correct answers
Answer: x=-1, y=-8
Step-by-step explanation: solve for the first variable in one of the equations then subsitutte the result into the other equation
