1 year ago

You are dealt one card from a satndard 52-card deck. Find the probability of being dealt an ace or a 7

Mathematics

1 answer:

ruslelena [56]1 year ago

3 0

Answer:

2/13 or 15.38%

Step-by-step explanation:

Number of Aces in a deck = 4

Number of 7s in a deck = 4

Number of cards in a deck = 52

Probability of A or 7 = (4 Aces + 4 Sevens) / 52 cards 8 cards / 52 cards

This simplifies to 2/13 or 15.38%

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Jonathan is rolling to dice and needs to roll and 11 to win the game he is playing what is the probability that Jonathan wins th

hjlf

Answer:

1 / 18

Step-by-step explanation:

In a roll of two dice :

Number of faces on a dice = 6

Total sample space for 2 6-sided dice = (number of faces)^Number of dice = 6^2 = 36

Total possible outcomes = 36

Required outcome = sum of 11

11 = {(5,6) ; (6, 5)}) = 2 possibilities

Probability = required outcome / Total possible outcomes

P(obtaining a sum of 11) = 2 / 36 = 1/18

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The circumference A of a circle varies directly with its radius. A circle with a radius of 4 has a circumference of about 25.1 i

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Answer:

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Step-by-step explanation:

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jan, mya, and sara ran a total of 64 miles last week. jan and mya ran the same number of miles. sara ran 8 less miles than jan a

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x+y+z=64\\
x=y\\
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x+x+z=64\\
z=2x+8\\\\
2x+2x+8=64\\\\
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4x=64-8\\\\
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CAN SOMEONE PLEASE HELP ME ON THIS ESCAPE ROOM???

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Holy god gud luck on escaping that (*´ー｀*)

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2 years ago

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What is 10a - 5b if a = 25 and b = 3

AURORKA [14]

Answer:

$\boxed{235}$

Step-by-step explanation:

<em>Hey there!</em>

Well given that,

a = 25

b = 3

10(25) - 5(3)

250 - 15

= 235

<em>Hope this helps :)</em>

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3 years ago

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