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lions [1.4K]
3 years ago
5

Two number cubes are rolled. Find the probability of rolling two even numbers

Mathematics
2 answers:
kirill115 [55]3 years ago
6 0
Even -> 2,4,6
P(even and even) = 3/6 * 3/6
= 1/4 or 0.25 hope this helps:)
Gekata [30.6K]3 years ago
5 0
The answer is 1/4.

Each cube has a 1/2 chance of rolling an even number. You just have to multiply then.

1/2 x 1/2 = 1/4
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Use the equation r =2.1x^2 -14.3x +35, where x is the number of years after 2000, to determine the revenue from the sales of U.S
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Answer:

Step-by-step explanation:

Given that:

r = 2.1x^2 - 14.3x + 35

For year 2000; x = 0

So; r (0) = 2.1(0)^2 - 14.3(0) + 35

r (0) =  35

For year 2001; x = 1

r (1) = 2.1(1)^2 - 14.3(1) + 35

r (1) =22.8

For year 2002; x = 2

r (2) = 2.1(2)^2 - 14.3(2) + 35

r (2) = 14.8

For year 2003; x = 3

r (3) = 2.1(3)^2 - 14.3(3) + 35

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For year 2005; x = 5

r (5) = 2.1(5)^2 - 14.3(5) + 35

r(5) = 16

For year 2010; x = 10

r (10) = 2.1(10)^2 - 14.3(10) + 35

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For year 2018; x =18

r(18) = 2.1(18)^2 - 14.3 (18) + 35

r(18) = 458

Thus, the table can be presented as seen below.

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x               0             1             2            3           5            10         18

r(x)          35          22.8        14.8        11            16         102      458

SO, we will notice that the revenue for the albums starts decreasing and when it reaches the minimum, it started increasing with increasing x.

The attribute behind this trend is because the revenue function r(x) typically implies that it is a quadratic function.

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