25/7 as a mixed number
2 answers:
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Compound percentage reduction can be calculated by multiplying the initial number by (1-x)^t where x is the percentage reduction (/100, i.e. 1% reduction is 0.01), and t is the number of times it has reduced.
So:
a)
Where t is the number of weeks.
We can then just substitute in to work out the final pressure:
b) p = 45*0.94^6 = 31psi
So:
a)
Where t is the number of weeks.
We can then just substitute in to work out the final pressure:
b) p = 45*0.94^6 = 31psi
Answer:
Step-by-step explanation:
GIVEN: A fence is used to enclose a rectangular land plot. If the area of the land plot is
.
TO FIND: equation to determine the length of the land plot.
SOLUTION:
total length of fence
let the width of land plot be
perimeter of plot
area of rectangular plot
putting value of
Hence required equation to get length of land plot is
on solving
possible length of land plot is and