Answer:
1.5n
Step-by-step explanation:
The distributive property can be used to simplify expressions like this (collect terms).
= n(4 -1 +.5 -2)
= n(3 +.5 -2)
= n(3.5 -2)
= n(1.5)
= 1.5n
_____
Of course, you can do the addition in any convenient way. Some like to add all the positive and negative terms, then find the difference.
= n((4 +.5) -(1 +2)) = n(4.5 -3) = 1.5n
Out of the first box the possibility would be 3:12 or 3 out of 12. The second box would be 7:10 or 7 out of 10
Answer:
SAS since only one angle, the right angles are congruent on them. Two sides are marked congruent to each of their corresponding sides so it is side angle side.
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
Answer:
The correct answer is:
(a) 0.54
(b) 0.0385
Step-by-step explanation:
Given:
Restaurant tax,
p = 0.54
Sample size,
n = 168
Now,
(a)
The mean will be:
⇒ μ 
(b)
The standard error will be:
= ![\sqrt{[\frac{p(1-p)}{n} ]}](https://tex.z-dn.net/?f=%5Csqrt%7B%5B%5Cfrac%7Bp%281-p%29%7D%7Bn%7D%20%5D%7D)
= ![\sqrt{[\frac{(0.54\times 0.46)}{168} ]}](https://tex.z-dn.net/?f=%5Csqrt%7B%5B%5Cfrac%7B%280.54%5Ctimes%200.46%29%7D%7B168%7D%20%5D%7D)
= ![\sqrt{[\frac{(0.2484)}{168} ]}](https://tex.z-dn.net/?f=%5Csqrt%7B%5B%5Cfrac%7B%280.2484%29%7D%7B168%7D%20%5D%7D)
= 
