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3 years ago

-3-(0.5) on a number line

Mathematics

1 answer:

larisa [96]3 years ago

8 0

Answer:

-3.5

Step-by-step explanation:

mark on the left side of the number line where -3.5 is.

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R=5(C/A−0.3) solve for r

Pie

Answer:

R=(5C/A)-1.5

Step-by-step explanation:

R=5(C/A-0.3)

1) Distribute the 5 to C/A and -0.3

R=5C/A-1.5

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Which equation can be solved using the inverse property?

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4 years ago

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in a certain game, a fair die is rolled and a player gains 20 points if the die shows a 6. if the die does not show a 6, the pla

BaLLatris [955]

The expected gain or loss is an illustration of mean and expected values.

The expected total gain is 83 points

The given parameters are:

Addition of 20 points for rolling a 6
Removal of 3 points for not rolling a 6

The probability of rolling a 6 in a fair die is 1/6.

The probability of not rolling a 6 in a fair die is 5/6.

So, the expected gain in each game is:

$\mathbf{E(x) = 20 \times \frac 16 - 3 \times \frac 56}$

$\mathbf{E(x) = \frac{20}6 - \frac{15}6}$

Take LCM

$\mathbf{E(x) = \frac{5}6}$

$\mathbf{E(x) = 0.83}$

The number of games is 100.

So, the expected gain is:

$\mathbf{Gain = 100 \times 0.83}$

$\mathbf{Gain = 83}$

Hence, the expected total gain is 83 points