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3 years ago

7

This as well, pleasee!!!

2 answers:

lara31 [8.8K]3 years ago

8 0

The inner circle circumference is 18 and the outer is 4

nydimaria [60]3 years ago

6 0

Answer:

the big one has a circumstance of 2*pi*9=56.52

the small one 2*pi*7=43.96

difference = 12.56= 4pi

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The function A=A_oe^{-0.01155x} A = A o e − 0.01155 x models the amount in pounds of a particular radioactive material stored in

vivado [14]

They are essentially asking us to solve:

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Solving this equation for x tells us that it will take around 80.1 years for the materials in the vault to reduce to 357 pounds.

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3 years ago

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Stolb23 [73]

Everything except circle and trapezoid

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There were 650 fruit in a fruit stall. 62% of the fruit were sold. How many fruit were left?

tensa zangetsu [6.8K]

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62/100 multiplied by 650 which is 403 fruits left

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3 years ago

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andrey2020 [161]

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2 years ago

7 out of 28 is what percent?

jeka57 [31]

Here's what I did and I checked it So it is correct!!

$\frac{7}{28} = \frac{1}{4}$

$\frac{1}{4} = 0.25$

25% is your answer.

$28 \times 25\% = 7$

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I hope that helps you!! Any more questions please feel free to ask!!

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3 years ago

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