Answer:
2 1/3 minutes
Step-by-step explanation:
4/3 minute = 80 seconds
80/4 (from 4/7) =
20 seconds per 1/7
20 * 7 = 140
140 to minutes = 2minutes and 20 sec or 2 1/3 minutes
Answer:
Step-by-step explanation:
True:
- There are two variables
- 3 is the constant
- There are 3 terms in the expression
Anything (except 0) to the 0 power is equal to 1.
8^0 = 1
(-8)^0 = 1
24781297429879741^0 = 1
Answer: f(n) = {f(1)=-4
{f(n) = f(n-1) / 20 if n > 1
Or Answer B.
Step-by-step explanation:
From all those aforementioned, the true statement is: Thanh’s grade is 2.5 standard deviations below the mean of the test grades.