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Kryger [21]
3 years ago
7

Two cards are drawn from a well-shuffled deck of 52 playing cards. let x denote the number of aces drawn. find p(x = 0). (round

your answer to three decimal places.)
Mathematics
1 answer:
joja [24]3 years ago
6 0

There are a total of 52 cards and 4 of these cards are aces. So if we are to find the probability of not getting any of the ace card, it is just like saying find the probability of getting any card except ace. There are 48 of these then 47 on the second draw, therefore the probability of not getting any ace card P (x=0) is:

<span>P (x=0) = (48/52) * (47/51) = 0.8507 = 85.07%</span>

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-3x^2+6x=0. Find the value of x.
siniylev [52]

Answer:

x=√2,-√2

Step-by-step explanation:

4 0
3 years ago
The O'Brien's are building a rectangular deck around the outside of their circular pool.
Lera25 [3.4K]

A:

Width of the deck = 2x+3 units

Length of the deck = 5x+6 units

So area of rectangular deck = Length * width

= (5x+6)(2x+3)

Area = 10x^{2}+15x+12x+18

Area= 10x^{2}+27x+18 units square

As mentioned in part B, the area of the pool is 3x^{2}+7x+6 so the combined area of the deck and pool is

Area = area of rectangular deck + area of pool

= 13x^{2}+34x+24 unit square


B:

The area of only the deck is 10x^{2}+27x+18 unit square



5 0
3 years ago
Round to the neast 80
Paul [167]
It would still be 80

Example:
<span>14,494 </span>
<span>To round off the height value to the nearest thousand we can use the expanded from to clarity the position of numbers which is: </span>
<span>10, 000 = ten thousand </span>
<span>4, 000 = thousands </span>
<span>400 = hundreds </span>
<span>90 = tens </span>
<span>4 = ones </span>
<span>Here we can notice than four thousand is the value where the nearest thousands is placed. Hence we can round off the number of 14, 494 into 14, 000. Notice 0-4 rounding off rules.<span> </span></span>

3 0
3 years ago
Read 2 more answers
Using this diagram, find x and y
PilotLPTM [1.2K]

Answer:

x=13

y=11

Step-by-step explanation:

3y+5+52=90

3y=90-57

3y=33

y=33/3=11

4x=52

x=52/4=13

8 0
2 years ago
Read 2 more answers
The three steps below were used to find the value of the expression [(-10+2)-1]+(2+3)​
brilliants [131]

Answer:

value of expression = 12

Step-by-step explanation:

[(-10+2)-1]+(2+3)​

=  [(8)-1]+(5)​              ∵according to PEMDAS, we first solve the Parenthesis

= (7)+(5)

= 12

8 0
3 years ago
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