X^2+7x+49/4=-11+49/4
(X+7/2)^2=5/4
X=-9/4
Answer:
Hello there, Sure. Shoot your questions.
Step-by-step explanation:
Answer:
Step-by-step explanation:
bottom left is 13a + 2b
bottom right is 15y - 6
Answer: 0.0668
Step-by-step explanation:
As per given description, we have
n= 36
Let x be a random variable that represents the weight of boxes.
z-score :
For x= 84 lb , we have
P-value :
Hence, the probability that the average weight of the boxes will be less than 84 lbs. = 0.0668
If it is a fraction like (3a-3b)/(3a+12b)
= [3(a-b)]/[3(a+4b)]
= (a-b)/(a+4b)