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alex41 [277]
3 years ago
9

If the half-life of a radioactive substance is 2,800 years, then at what rate is it decaying?

Mathematics
1 answer:
vlada-n [284]3 years ago
6 0

Answer:

0.0001075

Step-by-step explanation:

The relation between halflife and rate at which it is decaying is given by

t_{\frac{1}{2} } =\dfrac{log2}{rate}

now in the above problem halflife is given as 2800 years substituting in the above equation we get the value of rate at which it is decaying to be rate=0.0001075.

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Find the common ratio for 0.1,0.01,0.001
yulyashka [42]

The common ratio of the set of data is 0. 1

<h3>How to determine the common ratio</h3>

To determine the common ratio of a set of data, we have to

  • Divide the second term by the first term or
  • Divide the third term by the second term

For the given set of data

0.1,0.01,0.001

Let's divide the second term by the first term

= 0. 01/ 0. 1

= 0. 1

Thus, the common ratio of the set of data is 0. 1

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4 0
2 years ago
Whatis the value of x in the equation<br> x -<br> y = 30, when y = 15?<br> 8
Ostrovityanka [42]

Answer:

x=45

Step-by-step explanation:

30+15=45

4 0
3 years ago
A bicycler traveled 45 mi. at an average speed of 6 mi./hr. How long did the ride take?
kobusy [5.1K]

Answer:

The ride took 7 1/2 hours to complete.

Step-by-step explanation:

If the bicyclist is going at a constant speed of 6mi/hr it would take 7 1/2 hours to ride 45 miles.

6*7 1/2=45

7 0
3 years ago
OKay, i need help asap pls. The ratio__ is equivalent to 12/36. The ratio__is not equivalent to 12/36.
EleoNora [17]

The ratio of 1:3 is equivalent to 12/36. The ratio 3 / 4 is not equivalent to 12/36.

Given that,
The ratio__ is equivalent to 12/36. The ratio__is not equivalent to 12/36.
Blank statement to be filled from the options.

<h3>What is the Ratio?</h3>

The ratio can be defined as the comparison of the fraction of one quantity towards others. e.g.- water in milk.

Here,
12 / 36 = 1 / 3
and
12 / 36 ≠ 3 / 4

Thus,  the ratio of 1:3 is equivalent to 12/36. The ratio 3 / 4 is not equivalent to 12/36.


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The question seems to be incomplete,
So we will fill a ratio that is equivalent to 12 / 36 and one ratio that is not equivalent to 12 / 36,
We have two ratios here 1:3 and 3:4


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2 years ago
You are planning to retile the walls around your bathtub. You measure the dimensions of the wall and find that the length of the
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Answer:

it is the best deal cause i said

Step-by-step explanation:

8 0
3 years ago
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