Answer:
9x-5
Step-by-step explanation:
(4x-6)+(5x+1)
remove parentheses
4x-6+5x+1
collect like terms
9x-5
Answer:
43
Step-by-step explanation:
Answer:
constant of proportionality, k is 3
Step-by-step explanation:
constant, k= y/x
k=9/3
= 3
Answer:
sabi 97 tas 49 lang amp ginagawa mo
Answer: (2.54,6.86)
Step-by-step explanation:
Given : A random sample of 10 parking meters in a beach community showed the following incomes for a day.
We assume the incomes are normally distributed.
Mean income : 
Standard deviation : 


The confidence interval for the population mean (for sample size <30) is given by :-

Given significance level : 
Critical value : 
We assume that the population is normally distributed.
Now, the 95% confidence interval for the true mean will be :-

Hence, 95% confidence interval for the true mean= (2.54,6.86)