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GaryK [48]
3 years ago
9

7D%20" id="TexFormula1" title=" \frac{1}{u} + \frac{1}{v} = \frac{1}{f} " alt=" \frac{1}{u} + \frac{1}{v} = \frac{1}{f} " align="absmiddle" class="latex-formula">
f is constant. If f =10 cm and u Is decrease with the rate of 2 cm/s find the rate of v when u=40cm
dv/dt=4/9cm/s
dv/dt=6/9 cm/s
dv/dt=2/9cm/s
dv/dt=1/9cm/s
Help me urgentttt​
Social Studies
1 answer:
Doss [256]3 years ago
6 0
Yeah huh" you have to explain what you wanted






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