kimmosley80
17.05.2021 •
Mathematics
What is the area of the trapezoid below pls help lol
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Ответ:
Trapezoid formula is
A + b over 2 (h)
46 + 26 over 2 times 19 = 684
Ответ:
B. 82% of students scored lower than Emma
Step-by-step explanation:
Given:
Emma received a standard score on a test that was ranked in the 82nd percentile
Solution:
Let total number of students = 100
By using formula:
Percentile =
Where
Number of students scored lower than Emma
Percentile =
By cancelling denominator 100 from numerator 100,
Number of students scored lower than Emma = 82
To change it into percentage,
Number of students scored lower than Emma =
= 82 %
Therefore, 82 % of students scored lower than Emma.