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dalvyx [7]
3 years ago
6

Which expression correctly represents the product 12(8 + 5) after applying the distributive property?

Mathematics
2 answers:
dybincka [34]3 years ago
8 0

Answer:

D.

Step-by-step explanation:

You multiply 12 By 8,  then 12 multiplied by 5.

12(8 + 5)

= 12*8 + 12*5

It is D.

jok3333 [9.3K]3 years ago
7 0

Answer:

D

Step-by-step explanation:

You would need to "distribute" 12.

When distributing you would get to parts, (12x8) & (12x5)

Because in the original parenthesis 8 and 5 were added you would add the new parts to get: (12x8) + (12x5)

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A radioactive substance has a continuous decay rate of 0.056 per minute. How many grams of a 120 gram sample will remain radioac
sammy [17]

Answer:

The mass of the radioactive sample after 40 minutes is 12.8 g.

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The mass of the sample can be found by using the exponential decay equation:

N_{t} = N_{0}e^{-\lambda t}

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Hence, the mass of the sample after 40 min is:

N_{t} = N_{0}e^{-\lambda t} = 120g*e^{-0.056min^{-1}*40 min} = 12.8 g

     

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I hope it helps you!

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3 years ago
Rearrange the equation a = 1/2 b to make b the formula
Evgesh-ka [11]

Answer: b = 2a

Step-by-step explanation:

<u>Original equation</u>

a = (1/2) b

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