ABC form a triangle where BAC equals 90° a B equals 10.8 mm and C equals 1.6 mm find the length of BC give your answer rounded t
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➷ Use this formula:
Area of circle =
However, as we are using 3.14 for 'pi', we can write it like this:
Area =
'r' is the radius which is 12ft
Substitute this value into the equation:
Area =
Solve:
Area = 452.16
Multiply this value by 0.75 to get the answer:
452.16 x 0.75 = 339.12
339.12 square feet is being watered
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Answer:
There will be 729 daffodils in the sixth week
Step-by-step explanation:
Given
--- start
--- weekly rate
Required
Number of daffodils in 6th week
This question illustrates an exponential function which is represented as
Where
f(x) = Number of daffodils at x week
x = The week
a = Initial number of daffodils
b= rate
So, we have:
Hence:
At the 6th week
So:
<em> ---- as a power</em>
<em> --- related multiplication</em>
<em> --- standard form</em>