Given your sister's incomplete text,
2 answers:
Explanation:
Quadrants 2 and 3 houses points that have negative x-values, while as Quadrants 1 and 4 houses points that have positive x-values.
If 'your sister' completes the text with negative y-value, the point would be in Q3.
If 'your sister' completes the text with positive y-value, the point would be in Q2.
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Answer: 0.0026
Step-by-step explanation:
Given: Mean :
Standard Deviation :
Sample size :
Formula to calculate z-score :-
For X=7.6 hours.
Hence, the probability that their mean rebuild time is less than 7.6 hours = 0.0026
since its an isoscelies trangle, they probably wanted you to do base times height
make a 71-91/2-x x triangle
where x is the height of the triangle to the base 91 and 71 is the hypothenuse
and then do bh/2
or
use heron's formula
s= 71+91/2
area=
have fun solving that