Answer: area word problems
Step-by-step explanation:
Answer: 25%
Step-by-step explanation:
To find percent decrease, you take your final number minus your initial number, over your initial number, so you start with 6-8/8, and get 2/8 or 1/4, then you multiply that by 100, so you get 25. That's your percent decrease.
Answer:
The p value can be founded with the following probability:
Step-by-step explanation:
Information given
represent the sample mean
represent the population deviation
sample size
represent the value to verify
z would represent the statistic
represent the p value
System of hypothesis
We want to check if the true mean for this case is higher than 26, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
The statistic is given by:
(1)
Replacing the info we got:
The p value can be founded with the following probability:
Answer:
Acute
Step-by-step explanation:
26^2 + 12^2 = 18^2
676 + 144 = 324
820 = 324
Since 324 is smaller, this triangle is acute