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stiks02 [169]
3 years ago
5

Nina tosses 2 number cubes labeled 1 to 6. What is the probability that the sum is equal to 5?

Mathematics
1 answer:
Svetlanka [38]3 years ago
7 0
Probability = (nr. of ways it can succeed) / (total nr. of possible outcomes)

The first cube can come up in 6 different ways.  For each of those . . .
The second cube can come up in 6 different ways.
Total number of possible outcomes = 6 x 6 = 36 .

The toss succeeds if the sum is 5.
How many ways can that happen ?
1 . . . 4
2 . . . 3
3 . . . 2
4 . . . 1
Four different ways.

Probability = 4/36 = 1/9 = 11.1%
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( x + 9 ) - ( x -2 )=
Triss [41]

Answer:

x = -7/2

Step-by-step explanation:

( x + 9 ) - ( x -2 )=

2x +7 =

2x = -7

x = -7/2

5 0
2 years ago
Hexagonal chess is played on a regular hexagonal board comprised of 92 small hexagons in three colors. The chess pieces are arra
Nonamiya [84]

The sum of the measures of the interior angles of the chess board is equal to 720°.

<h3>What is a polygon?</h3>

A polygon can be defined as a two-dimensional geometric shape that comprises straight line segments and a finite number of sides. Also, some examples of a polygon include the following:

  1. Triangle
  2. Quadrilateral
  3. Pentagon
  4. Hexagon
  5. Heptagon
  6. Octagon
  7. Nonagon

<u>Note:</u> The number of sides (n) of a hexagon is 6.

In Geometry, the sum of the interior angles of both a regular and irregular polygon is given by this formula:

Sum of interior angles = 180 × (n - 2)

Sum of interior angles = 180 × (6 - 2)

Sum of interior angles = 180 × 4

Sum of interior angles = 720°.

Read more on sum of interior angles here: brainly.com/question/13293407

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8 0
1 year ago
What is the halving and doubling strategy
malfutka [58]
Halving-reduce by half or think what is fifty% of the number or divide by two
doubling-add the number you got to the same number or multiply by two

Halving Ex.:6/2=3

Doubling ex.: 9+9=18 or 6*2=12
6 0
3 years ago
in a regular polygon each interior angle is 140 greater than each exterior angle calculate the number of sides of each polygon .
Elodia [21]

Answer:

9

Step-by-step explanation:

Exterior sides =  180 - 140 = 40

number of sides = 360 / 40 = 9 sides

6 0
3 years ago
A membership to LA Fitness is on sale for $ 112 50. That represents
RSB [31]

Answer:

Step-by-step explanation:

let the original price be x

discount is 25%, .25x

discounted price x-.25x=.75x

112.50=.75x

x=150 was the membership selling before the discount

5 0
3 years ago
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