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mafiozo [28]
3 years ago
9

The table below shows the amount of a radioactive compound remaining after X years Sarah is compiling the data into a lab report

including a graph and needs to determine what scale to use which statement is true about her data.
A. the y-intercept of the graph is 900, and the X increases, f(x) approaches 100.
B. the amount of radioactive substance will continue to Decay at a constant rate over time until it reaches the x-axis.
C. the y-intercept of the graph is 900, andaz x increases, f(x) approaches infinity.
D. the x-intercept of the graph is 900, and as X increases, f(x) approaches 100. ​

Mathematics
1 answer:
Murrr4er [49]3 years ago
9 0

Answer:

  A. the y-intercept of the graph is 900, and as X increases, f(x) approaches 100.

Step-by-step explanation:

The table can be described by the function ...

  f(x) = 100 +800·2^-x

This is an exponential decay (not a constant-rate decay) from a y-intercept of 900 down to a minimum value of 100 (not zero).

The best description is that of choice A.

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as a contractor to make a hole 4 5/8 inches diameter. express the mixed number as an improper fraction.
san4es73 [151]

The mixed number as an improper fraction is 37/8

<h3>How to express the mixed number as an improper fraction?</h3>

The diameter is give as:

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Next we convert the above number to an improper fraction

The numerator is calculated as

Numerator = 8 * 4 + 5

This gives

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I don't understand plz help​
Rasek [7]

Answer:

The equation that represent x, the height of the sign is;

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Step-by-step explanation:

Given that the area of the triangular yield is A square feet

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Recall that the area of a triangle can be written as;

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