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Troyanec [42]
3 years ago
15

A deck of 40 cards contains 20 blue and 20 red cards. Each color has cards numbered 1 to 20.

Mathematics
1 answer:
Marina CMI [18]3 years ago
6 0

Answer:

A red 5 is chosen from the deck. The card is put back into the deck and the a red card is chosen.

Step-by-step explanation:

An independent event is one whose outcome is not dependent on any other event. There are two types of cards in the deck. If a red card is selected it will be from the series 1 - 20, if the card is put back into deck and then again a red card is selected it will be again from the series 1 - 20. This is an independent event since its outcome is same irrespective of the events.

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m_a_m_a [10]

Answer:

y - x = 69

Step-by-step explanation:

From the figure attached,

Number in each block is the sum of the numbers in the block beneath it.

Therefore, A + 21 = 32 ⇒ A = 11

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C = 5 + x

D = 32 + B ⇒ D = 32 + 16 = 48

E = B + C ⇒ E = 16 + (5 + x)

               ⇒ E = 21 + x

y = D + E ⇒ y = 48 + (21 + x)

                   y = 48 + 21 + x

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Therefore, y - x = 69 will be the answer.

8 0
3 years ago
A dime is 1.25 mm thick. How many meters high would a stack of dimes worth $50 be?
Lady_Fox [76]
The answer is 0.625 because 1 mm=0.001 meter.
Steps:
10x50=500
500x1.25=625
Convert from mm to meters.
6 0
3 years ago
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siniylev [52]

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Step-by-step explanation:

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Step-by-step explanation:

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noname [10]
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Don't forget to thank me
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3 years ago
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