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marta [7]
3 years ago
7

If 6 cards are drawn at random from a standard deck of 52 cards what is the probability that exactly 2 of the cards are spades

Mathematics
1 answer:
jarptica [38.1K]3 years ago
3 0
Your answer would be 0.315 because:P(2\ spades)=\frac{13C2\times 39C4}{52C6}=0.315
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A zookeeper weighed an African elephant to be 9x10^3 pounds and an African lion to be 4x10^2 pounds. How many times greater is t
maria [59]
Answer:  22.5 .  The weight of the elephant is "22.5 times greater" than                              the weight of the lion.
_________________________________________________________
Explanation:
_________________________________________________________

(weight of lion) * (x) = (eight of the elephant)  ;  Solve for "x" .
_____________________________________________________
   → Divide each side of the equation by "(weight of lion)" ;
  to isolate "x" on one side of the equation ; and to solve for "x" ;
_________________________________________________________
    
   → (weight of lion)*(x) / (weight of lion) = (weight of the elephant) /
                                                           (weight of lion) ;
________________________________________________________
     →  x  = (weight of the elephant) / (weight of lion) ;
__________________________________________________________
     →  Plug in our "given values" ; and solve for "x" ;
__________________________________________________________
     →  x = (<span>9*10</span>³) / (4*10²) =  (9*10⁽³⁻²⁾) / 4  =  (9*10¹) / 4  ;
__________________________________________________________  
     →  x =  90 /4 = 25/2  = 22.5 ; which is our answer.
__________________________________________________________
4 0
3 years ago
If something is 6 square feet, what is the length and width of the poster?
Alex777 [14]
Length is 2 and width is 3 

2 X 3 is 6
7 0
3 years ago
Can you please answer these 3 questions im having a hard time rn and i just need to relax but i really need to get this done, pl
Yanka [14]

Answer:

1. Infinitiely many solutions, one solution, no solutions

2.

y=-3/2x-4

y= x+1

3.

y=1/4x-2

y=1/4x+3

Step-by-step explanation:

4 0
3 years ago
Express the area of the entire rectangle.<br> Your answer should be a polynomial in standard form.
Alchen [17]
Unfortunately I do not know the rectangle you are speaking of, if you could provide the rectangle I would be happy to help.
8 0
3 years ago
A 500.-kilogram roller coaster starts from rest at the top of an 80.0-meter hill. What is its potential enegy halfway down the h
Anastaziya [24]

Answer:

the answer is 200kg


Step-by-step explanation:


8 0
3 years ago
Read 2 more answers
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