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balandron [24]
3 years ago
7

Bella has a stack of three cards numbered 1, 2 and 3. She flips a card, puts in back the back stack, and flips another card. Wha

t is the sample space and possible outcomes of flipping cards from the stack two times?
Mathematics
1 answer:
kaheart [24]3 years ago
4 0

Answer: The probability that both cards that are drawn are hearts is

1

17

.

Explanation:

First off, know that there are 13 heart cards in the deck of 52 cards. Therefore, the chance of pulling a single heart card is

13

52

. Let's say we do pull a heart card. Since there is no replacement for the heart card taken out of the deck, we now have 12 heart cards out a deck of 51 cards. The chance of pulling out a heart card in now

12

51

. To find the probability that both cards drawn out are hearts, multiply the two fractions together:

(

13

52

)

⋅

(

12

51

)

=

156

2652

=

1

17

.

Step-by-step explanation:

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Savatey [412]

Answer:

4096

Step-by-step explanation:

7 0
3 years ago
Shauna is making accessories for the soccer team she uses 513.48 inches of fabric on headbands for 40 player and 4 coaches she u
AleksAgata [21]

Answer:

For each player:

Headbands = 11.67 inches of fabric

Wristbands = 9.31 inches of fabric

Step-by-step explanation:

Shauna is making accessories for the soccer team

For Headbands

She uses 513.48 inches of fabric on headbands for 40 player and 4 coaches

The total number of persons = 40 players + 4 coaches

= 44 persons

Hence:

44 persons = 513.48 inches

1 person = x

Cross Multiply

44x = 513.48 inches × 1

x = 513.48 inches/44

x = 11.67 inches per person

For Wristbands

She uses 372.40 inches of fabric on wristbands for just the players how much fabric was used on a headband and wristband for each player?

Number of players = 40

Hence

40 players = 372.40 inches

1 players = x inches

Cross Multiply

40x = 372.40 inches

x = 372.40 inches/40

x = 9.31 inches

Hence, 9.31 inches per player.

Therefore

For each player:

Headbands = 11.67 inches of fabric

Wristbands = 9.31 inches of fabric

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Step-by-step explanation:

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