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3 years ago

How much longer is a 12 cm pencil then A 1 dm pen?

2 answers:

8 0

1 dm is equal to 10 cm.
To find the answer, you have to convert the dm to cm.
This would be 10 cm, since 1 dm is 10 cm.
The last thing to do is just subtract 10 from 12 to get the answer.
The pencil is 2 cm longer than the pen.

LenKa [72]3 years ago

4 0

20% or 2 cm 1 dm = 10 cm.

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Answer:

The half life of the car is 3.98 years.

Step-by-step explanation:

The value of the car after t years is given by the following equation:

$V(t) = V(0)(1-r)^{t}$

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$V(t) = V(0)(0.84)^{t}$

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$\log{(0.84)^{t}} = \log{0.5}$

$t\log{0.84} = \log{0.5}$

$t = \frac{\log{0.5}}{\log{0.84}}$

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