In terms of d, what is the mean of d,d?9,d+3,d+2
MATHEMATICS
SAT 2021
In terms of d, what is the mean of d,d?9,d+3,d+2
- A. 4d+4
- B. 3d?1
- C. 2d+4
- D. d?1
Correct Answer: D. d?1
Explanation
Recall how to find the mean: Mean/Average=Sum of all valuesNumber of values Mean=(d+(d?9)+(d+3)+(d+2)4=4d?4)/4=d?1
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *