tanyiawilliams14991
30.06.2019 •
Mathematics
Knowing that a is inversely proportional to b2 and when b=4 a is equal to 5, find the value of a when b=4/5
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Ответ:
a = 16
Step-by-step explanation:
inversely proportional
y = k/x
a = k/b
5 = k/4
solve for k
multiply by 4 on each side
20 =k
a = 20b
if b = 4/5
a = 20 * 4/5
a = 16
Ответ:
Hope this will help you