The answer is: " 7 " .
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Explanation:
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degrees of freedom (df) = n - 1 ;
n = sample size = 8 ;
n - 1 = 8 - 1 = 7 .
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The answer is: " 7 " .
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Answer:
Step-by-step explanation:
If you do long division youll get the remainder which is: 28x + 30
Answer:
Billy used 28 mins 30 sec to mow the lawn and Bobby used 43 mins 30 sec to now the lawn both within 72 mins
Step-by-step explanation:
let x represent Billy
let x+15 represent Bobby
x + x + 15 = 72
2x = 72 - 15
2x = 57
2x/2 = 57/2
x = 28.5 minutes = 28 minutes 30 seconds
Bobby = x + 15
= 28.5 + 15
= 43.5 minutes= 43 minutes 30 seconds
Answer:
The answer is -19
Step-by-step explanation:
Given information -19y^2 , y=-1
-19 * y^2
-19 * (-1)^2
-19 * 1 = -19
