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postnew [5]
3 years ago
7

In a standard deck of cards, what is the probability of drawing a face card followed by drawing a non-face card

Mathematics
1 answer:
zloy xaker [14]3 years ago
7 0

Answer:

0.1771

Step-by-step explanation:

total number of cards in a deck : 52

number of face card per suite : 3

total number of suites : 4 (hearts, clubs, diamonds, spades)

3 * 4 = total number of face cards

12/52 = 0.23 = probability of drawing a face card

remaining card are non face cards

52-12 = 40

40 non face cards

40/52 = 0.77 = probability of drawing a non face card

probability of drawing a face card followed by a non face card

multiply probabilities together to find combined probability

probability of drawing a face card * probability of drawing a non face card

= 0.23 * 0.77

= <u>0.1771</u>

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Is 69 square routed a even number
STatiana [176]
No it is not, the square root is 8.3
6 0
3 years ago
Please explain “ write the equation of the perpendicular bisector of rs point r is located at (-1,3) and point s is located at (
vodka [1.7K]
Hi there!

First, we'll need to find the midpoint of RS in order to bisect it. Using the midpoint formula, we can determine that the midpoint of RS is (1,2). Then, we'll need to find the slope of RS, then find the opposite reciprocal of the slope of RS to find the slope of our new line because perpendicular lines have opposite reciprocal slopes. The slope of our new line is 2. Next, we can plug our values into point-intercept form to find the equation. 

WORK:
y - 2 = 2(x - 1)
y - 2 = 2x - 2
y = 2x

ANSWER:
D - y = 2x

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
3 0
3 years ago
Suppose you have a wallet with $5 bills, $10 bills, and $20 bills. If the probability of picking a $20 bill is 4/15, and the pro
slamgirl [31]
The question does not make any sense. The probability of a 20 bill has already been given.

Given:
$5 bills
$10 bills
$20 bills

probability of $20 is 4/15
probability of $5 is 1/3

numerator is the number of events
denominator is the number of outcomes

the missing probability is of the $10 bill.

4/15 + 1/3 + x = 1 or 15/15

$5 bill = 1/3 x 5/5 = 5/15

15/15 - 4/15 - 5/15 = (15-4-5)/15 = (15-9)/15 = 6/15 = 2/5

the probability of $10 is 2/5


3 0
3 years ago
I need help with this. ASAP
Margaret [11]
The answer in 4,000.
4 0
3 years ago
Read 2 more answers
Please answer this in two minutes
Leona [35]

Answer:

  60°

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relation between sides of a right triangle and angles.

  Tan = Opposite/Adjacent

  tan(T) = SU/ST

  tan(T) = (5√51)/(5√17) = √3

Now, the arctangent function is used to find the angle whose tangent is √3.

 T = arctan(√3) = 60°

8 0
3 years ago
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