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Aliun [14]
2 years ago
14

If you roll two number cubes, what is the probability of their sum being seven or higher?

Mathematics
2 answers:
DIA [1.3K]2 years ago
8 0
27 rolls of being 7 or higher
marin [14]2 years ago
3 0
1) Number of possible outcomes when 2 cubes are rolled = n^2 = 6^2 = 36
Possible outcomes for a sum = 7 are 6 as detailed below
(1,6) (2,5) (3,4) (4,3) (5,2) (6,1) = 6
Possible outcomes for a sum = 11 are 2 as detailed below
(5,6) (6,5) = 2
Required probability = 6/36 + 2/36 = 8/36 = 0.22222

2) Number of possible outcomes when a cube and a coin are tossed = m*n = 6*2 = 12
Possible outcomes for a tail and 6 = 1
Required probability = 1/12 = 0.08333

3) Possible outcomes for a sum =3 are 2 as detailed below
(1,2) (2,1) = 2
Possible outcomes for a sum = 8 are 5 as detailed below
(2,6) (3,5) (4,4) (5,3) (6,2) = 5
Required probability = 2/36 + 5/36 = 7/36 = 0.19444
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19

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3 years ago
Which property justifies step 3 Given: 4(x - 6) + 12 = 20
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Answer:

x=8

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

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3 years ago
What type of stock receives an equal part of the profits on each share to be distributed after all other obligations of a compan
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3 years ago
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AysviL [449]

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when 0 on the bottom is zero

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An ice cream machine produced 45 ice cream sandwiches per minute. After reconditing, its speed increased to 54 ice cream sandwic
Tanya [424]
<h2>Percent of speed the machine increase is 20%</h2>

<h2>Given that;`</h2>

Number of ice cream produced before = 45

Number of ice cream produced after = 54

<h2>Find:</h2>

Percent of speed the machine increase

<h2>Computation:</h2>

Percent of speed the machine increase = [Number of ice cream produced after - Number of ice cream produced before] / Number of ice cream produced before

Percent of speed the machine increase = [(54 - 45) / 45]100

Percent of speed the machine increase = [9 / 45]100

Percent of speed the machine increase = 20%

<h2>Learn more:</h2>

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