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xxTIMURxx [149]
2 years ago
8

A bag has 5 blue marbles, 1 pink marble and 2 red marbles. I draw a blue marble, put it back and draw again. What is the probabi

lity that the second marble is blue?
(A) 1/2
(B) 4/7
(C) 5/8
(D) 5/7
Mathematics
2 answers:
AysviL [449]2 years ago
6 0

Answer:

B

Step-by-step explanation:

dezoksy [38]2 years ago
5 0

Answer:

C

Step-by-step explanation:

If you do 5+1+2=8 then it has to be out of 8. The only option that is out of 8 is c, and if you have 5 blue then the probability is 5 blue/8 marbles in the bag.

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Consider a convex hexagon in which all pairs of opposite sides are parallel. Prove that if one pair of opposite sides have equal
hjlf

A pair of the opposite sides of a hexagon has equal length and this is proved below.

<h3>How to illustrate the hexagon?</h3>

It should be noted that a hexagon is a polygon that has six sides.

In this case, it has 6 sides.

The total angles will be:

= (n - 2) × 180

= (6 - 2) × 180

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A diagram is attached to illustrate the pair of parallel sides.

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brainly.com/question/1615720

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konstantin123 [22]

Answer:

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Step-by-step explanation:

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A piece of cloth is folded into a square with a side length measuring x inches. When it is unfolded, it has an area of x2 + 27x
Dmitriy789 [7]
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We need to check out possible factors of 162 first.  Examples are:
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