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3 years ago

A standard die is rolled two times. What is the probability that it lands on 5 both times?

Mathematics

1 answer:

klio [65]3 years ago

8 0

Answer:

1/36

Step-by-step explanation:

A die can roll a 1,2,3,4,5,6

P (5) = number of 5's / total

= 1/6

The 2nd roll is independent so the probability is the same

P (5) = number of 5's / total

= 1/6

P(5, 5) = 1/6*1/6 = 1/36

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Which equations are true for x = -2 and x = 2? Select two options

Flauer [41]

Answer:

A and C

Step-by-step explanation:

solving the equations

x² - 4 = 0 ( add 4 to both sides )

x² = 4 ( take square root of both sides )

x = ± $\sqrt{4}$ = ± 2 ← required solution

x² = - 4 ← has no real solutions

4x² = 16 ( divide both sides by 4 )

x² = 4 ( take square root of both sides )

x = ± $\sqrt{4}$ = ± 2 ← required solution

2(x - 2)² = 0 , then

x- 2 = 0 ( add 2 to both sides )

x = 2 ← not the required solution

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Ksivusya [100]

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3 years ago

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pentagon [3]

Answer:

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Step-by-step explanation:

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3 years ago

Is the function given by, f(x)={3x-2 if x≤3 , 10-x if x>3} continuous at x = 3?

Darya [45]

<h2>Answer:</h2>

yes

<h3>Step-by-step explanation:</h3>

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Answer:

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Step-by-step explanation:

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