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22-01-2022
Mathematics

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if b varies inversely as h and b =8 ,when h = 5, find b when h =4

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Аноним Аноним

23-01-2022

Here given that

[tex]\\ \sf\longmapsto b\propto \dfrac{1}{h}[/tex]

b_1=8
b_2=?
h_1=5
h_2=4

[tex]\\ \sf\longmapsto b_1h_1=b_2h_2[/tex]

[tex]\\ \sf\longmapsto 8(5)=4b_2[/tex]

[tex]\\ \sf\longmapsto 4b_2=40[/tex]

[tex]\\ \sf\longmapsto b_2=10[/tex]

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