Answer:
-5
Step-by-step explanation:
4x0.5=2
2x0.5=1
2+1=3
3-8=-5
Answer:
140:160----simplify by 10
14:16--------simplify by 2
7:8 is the lowest
Step-by-step explanation:
First, find the mean. You'll need it to compute the variance.
The variance of the sample is then computed with the formula
The standard deviation is the square root of the variance, so
The answer is 4 . 2 + 2 = 4 . hope i helped uuuu lol
15% of R560 - 15% of R500
=> 0.15 × 560 – 0.15 × 500
=> 0.15 ( 560–500)
=> 0.15 × 60
=> Rs. 9
HOPE IT HELPS
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