Answer:
n*-14 = 56
Step-by-step explanation:
56 / -14 = n
We can check our value for n by
n*-14 = 56
Answer:
7, -1
Step-by-step explanation:
x - y = 8
x + y = 6 Subtract the 2 equations
-2y = 2
y = -1
Replace -1 into equation x + y = 6
x + -1 = 6
x = 7
Primitevly do it like:
6v-13v-18=-81
- 7v= -63
v=9
P.S Strongly recommend to learn algebra's basics
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Answer:
The standard error is 0.02849
Step-by-step explanation:
<u>Explanation:</u>-
given data is 42% of primary case doctors think their patients receive un-necessary medical care.
That is The proportion 'p' = 42% = 0.42
Given sample size is n =300
The standard error of the sampling distribution of the sample proportion is
use calculator on simplification , we get
standard error = 0.02849