Answer:
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Step-by-step explanation:
Answer:
1. 7.6 = c
2. 45 = c
Step-by-step explanation:
1. 3^2 + 7^2 = c^2
9 + 49 = c^2
58 = c^2
square root both sides = 7.6 = c
2. 27^2 + 36^2 = c^2
729 + 1296 = c^2
2025 = c^2
square root both sides
c = 45
Answer:
all work is shown / pictured
Harmonic mean between two positive numbers x and y, The simplified formula is 
I.e. you need to double the product of x and y then divide it by the sum of x and y...~
