3 years ago

Help ASAP please!!!!!

2 answers:

6 0

Divide the diameter by 2 to get the radius and use the formular pi r^2.
13.5/2=6.75
3.14*6.75^2
3.14*45.6=143.07
B is the answer

Simora [160]3 years ago

4 0

.........143,07cm..........

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lawyer [7]

The total mass, in kilograms, of the nails the carpenter bought is 3.9 kilogram

<h3><u>Solution:</u></h3>

Given that carpenter bought 750 nails

Each nail has a mass of $5.2 \times 10^{-3}$ kilogram

To find: total mass, in kilograms of the nails bought

The total mass of the nails bought can be found out by multiplying number of nails bought by mass of each nail

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Mass of each nail = $5.2 \times 10^{-3}$ kilogram

total mass of the nails bought = number of nails bought x mass of each nail

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