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Furkat [3]
3 years ago
9

Write an equivalent expression for 27x+18

Mathematics
1 answer:
Natali5045456 [20]3 years ago
6 0
The answer is 9(3x+2)
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An element with mass 570 grams decays by 18% per minute. How much of the element is remaining after 13 minutes,to the nearest 10
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Answer:

43.2 grams

Step-by-step explanation:

A = P (1 + r)^t

where A is the final amount,

P is the initial amount,

r is the rate of growth or decay,

and t is time.

Given:

P = 570

r = -0.18

t = 13

A = 570 (1 − 0.18)^13

A = 43.2

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Answer:

Domain: All Real numbers

CoDomain : All Real numbers

Range: \left\{y|y\geq 0 \right\}; that is: Real numbers larger than or equal to zero

Step-by-step explanation:

Notice that the graphed function can use any Real number x (from - infinity to + infinity) and produce an output.  Therefore, the Domain of the function plotted in graph 3 is : All Real numbers.

The set of possible outputs (CoDomain) is also the set of all Real numbers (notice that the y-axis extends form - infinity to + infinity

But the Range (the actual set of the collection of outputs of the function) is just a subset of the CoDomain consisting of the Real numbers larger than or equal to zero (notice that the drawing of the function touches the x axis and lies completely on the upper half of the plane.

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