#13:
s² = 144
√(s²) = √144
|s| = 12
s = -12 OR s = 12
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#15 (not sure what letter you used so I went with 'g')
(g-6)² = 25
√[(g-6)²] = √25
|g-6| = 5
g - 6 = -5 OR g - 6 = 5
g = 1 OR g = 11
Answer:
they're all 0
Step-by-step explanation:
N/A
Answer:
its 8 cause 2 times x is 40 40+-40= 0 so 2 times 4 is 8
Step-by-step explanation:
Answer:
244
Step-by-step explanation:
34
45 x 57 =
(9
From all those aforementioned, the true statement is: Thanh’s grade is 2.5 standard deviations below the mean of the test grades.
