Answer:
360,000
1st Step
40 (km per hour) × 60 (minutes in a hour) × 60 (sec per hour)
144000
Find double of the 144000
Ans = 288000
Step 2
Find the half of 144000
Ans = 72000
Step 3
Add The ans of step 1 and 2
Hope it works
Answer:
y=-2x+12
Step-by-step explanation:
Lunch cost $4.14 and she got $5.86
I think the answer is a btw hoped it helped
Answer: 1.460
Step-by-step explanation:
Given : Researchers report that on average freshman who live on campus gain 15 pounds during their first year in college.
Let
represents the population mean .
Then, the set of hypothesis will be:-


We assume that this is normal distribution.
Sample size : n = 10, which is a small sample (n<30) ,s o we use t-test.
Sample mean : 
Standard deviation : 
The test statistic for population mean for small sample is given by :-


Hence , the value of test statistic = 1.460