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emmainna [20.7K]
3 years ago
6

Find the area of each sector. Show your work.

Mathematics
1 answer:
hodyreva [135]3 years ago
6 0
Area of the shaded sector = (120/360) * pi * 10^2

=  104.72  square units

Area of the other sector = 2 * 104.72 =  209.44 sq units
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A species of phytoplankton measures about 2 × 10−6 in. A grain of sand measures about 1 × 10−4 in. About how many times longer i
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Answer:

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Step-by-step explanation:

Given;

size of phytoplankton = 2 × 10⁻⁶ in

size of sand grain = 1 × 10⁻⁴ in

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Divide the sand size by the phytoplankton size, to find out how much greater the sand is.

This can be done by equating it as follows;

2 × 10⁻⁶ (y)  = 1 × 10⁻⁴

y = \frac{1*10^{-4}}{2*10^{-6}} \\\\y = 50

Therefore, the grain of sand is 50 times greater than the phytoplankton

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