It's not a as flip is rotational, turn can also be rotational. I would go with slide as translation is a sideways motion
Answer:
This shows that the mean increases by 2.95
Step-by-step explanation:
Assume the given data is 2, 5, 6, 8
Mean = 2 +5+6+8/4
Mean = 21/4
Mean = 5.25
If number 20 is added, the data becomes 2, 5, 6, 8, 20
New mean = 2 +5+6+8+20/4
New mean = 41/5
New mean = 8.2
Taking the difference in the mean:
Difference = 8.2 - 5.25
Difference = 2.95
This shows that the mean increases by 2.95
<em>NB: The data used was assumed since we are not given any data in question</em>
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Answer:
14.42
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
Given

= 
= 
Rationalise the denominator by multiplying the numerator/ denominator by 
Note that
×
= a
=
× 
= 