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Vladimir79 [104]
3 years ago
6

What is the probability of rolling a 5 or not rolling a 5 using a regular 6-sided number cube?

Mathematics
2 answers:
Ne4ueva [31]3 years ago
7 0
There are 6 different sides you can land on with a dice. So the probability of rolling any one side is 1/6. The probability of NOT rolling a 5 is the same thing as rolling anything except a 5. So that probability will be 5/6.
Andrews [41]3 years ago
7 0
Well, the probability of rolling a 5 would be 1/6, the probability of not rolling a 5 would be 4/6 or 2/3.

Since the problem uses or, the question is asking for the probability of one or the other occurring, in other words the probability is more that if it were to simply be one event. Thus we add the probabilities together.

1/6 + 4/6 = 5/6.
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Determine whether the given sequence could be geometric, arithmetic, or neither. If possible identify the common ratio or common
miss Akunina [59]

Answer:

It is an Arithmetic sequence

Common difference = 3/4

Step-by-step explanation:

Determine whether the given sequence could be geometric, arithmetic, or neither. If possible identify the common ratio or common difference 1/2,5/4, 2, 11/4..

We are given the sequence:

1/2, 5/4, 2, 11/4.

We are to determine if this is an Arithmetic or Geometric sequence

Hence:

To determine if this is an Arithmetic sequence, we find the Common difference

Common difference = Second term - First term

= 5/4 - 1/2

Lowest Common Denominator = 4

= 5 - 2/4 = 3/4

or Third term - Second term

2 - 5/4

Lowest Common Denominator = 4

2/1 - 5/4

8 - 5/4

= 3/4

We have the same common difference.

To determine if this is an Geometric sequence, we find the Common ratio

Common ratio = Second term / First term

= 5/4 ÷ 1/2

5/4 × 2/1

= 5/2 = 2 1/2

or Third term /Second term

2 ÷ 5/4

2 × 4/5

= 6/5

= 1 1/5

It is not a geometric sequence

Therefore , the above sequence in the Question is an Arithmetic sequence.

7 0
2 years ago
Randy walks his dog each morning. He walks StartFraction 7 Over 12 EndFraction of a mile in 7 minutes. How many miles does he wa
Roman55 [17]

Answer:

1/12

Step-by-step explanation:

7/12 divides by 7 = 1/12

7 0
3 years ago
Read 2 more answers
Write expressions in simplest form that represents the total amount in each situation
larisa86 [58]
30 + 2x minutes a week.
3 0
3 years ago
Simplify the following expressions in indices <br>(2 x 103 x 3 x 105)/2 x 10-2​
Maurinko [17]

(2 x 103 x 3 x 105) = 64890

2 x 10 -2 = 20 - 2 = 18

64890 / 18

3605

Or (206 x 315) / 20 - 2

3 0
3 years ago
What is 32 plus 60 divided by 135 ?
hammer [34]

Hi there!

(32 + 60) ÷ 135 = x

92 ÷ 135 = x

0.6814814... = x → 814 is periodic, so it just keeps repeting itself.



There you go! I really hope this helped, if there's anything just let me know! :)




6 0
3 years ago
Read 2 more answers
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