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ValentinkaMS [17]
3 years ago
15

A single, standard number cube is tossed. What is the probability of getting a 4 or a 5?

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
5 0

Answer:

c) 1/3

Step-by-step explanation:

since there are 6 sides to the dice and 2 options could be chosen= 2/6 and that simplified is 1/3

Debora [2.8K]3 years ago
4 0

Answer:

C

Step-by-step explanation:

The probability of rolling a 4 or 5 out of six numbers is 2/6. That is simplified to be 1/3. Hope this helps!

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Answer:

x= 3.096

Step-by-step explanation:

divide both sides by 5: 3^(x-1)= 10

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vesna_86 [32]

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Mamont248 [21]
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otez555 [7]

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

To prove:

\cos 3x=\cos^3x-3\sin^2 x\cos x

Identities used:

\cos(A+B)=\cos A\cos B+\sin A\sin B      ......(1)

\sin 2A=2\sin A\cos A        ........(2)

\cos 2A=\cos^2A-\sin^2 A     .......(3)

Taking the LHS:

\Rightarrow \cos 3x=\cos (x+2x)

Using identity 1:

\Rightarrow \cos (x+2x)=\cos x\cos 2x-\sin x\sin 2x

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As, LHS = RHS

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