Answer:
Step-by-step explanation:
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Answer:
18
Step-by-step explanation:
Sum of x, y and z = 20 × 3
= 60
x-5+y+4+z-5 = 60-5+4-5
= 54
Mean of x-5, y+4 and z-5
= 54 ÷ 3
= 18
18sqrt(15)
This has to be at least 20 characters long so yeaaaa
Answer:
x>-5/7
Step-by-step explanation:
Because our dividing 5 by a negative 7 the symbol flips
