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Solve the equation [tex]$A = b h$[/tex] for [tex]$b$[/tex].

A. [tex]$b = A h$[/tex]
B. [tex][tex]$b = A / h$[/tex][/tex]
C. [tex]$b = h / A$[/tex]
D. [tex]$b = h - A$[/tex]


Sagot :

To solve the equation [tex]\( A = b \cdot h \)[/tex] for [tex]\( b \)[/tex], follow these steps:

1. Start with the given equation:
[tex]\[ A = b \cdot h \][/tex]

2. To isolate [tex]\( b \)[/tex], you need to divide both sides of the equation by [tex]\( h \)[/tex]. This is because [tex]\( b \)[/tex] is being multiplied by [tex]\( h \)[/tex], and dividing by [tex]\( h \)[/tex] will cancel [tex]\( h \)[/tex] on the side containing [tex]\( b \)[/tex]:
[tex]\[ \frac{A}{h} = \frac{b \cdot h}{h} \][/tex]

3. On the right-hand side of the equation, [tex]\( h \)[/tex] in the numerator and the denominator cancel each other out, leaving:
[tex]\[ \frac{A}{h} = b \][/tex]

4. So, the solution to the equation [tex]\( A = b \cdot h \)[/tex] for [tex]\( b \)[/tex] is:
[tex]\[ b = \frac{A}{h} \][/tex]

This matches one of your given choices. Therefore, the correct choice is:
[tex]\[ b = \frac{A}{h} \][/tex]
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