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sammy [17]
3 years ago
5

there are 4 aces and 4 kings in a standard deck of playing cards. you pick one random card at random. What is the probability of

selecting an ace or king?
Mathematics
1 answer:
Illusion [34]3 years ago
7 0
A standard deck has 52 cards. divide 52 by 8(the number of aces and kings combined) to find out the probability and picking one. The probability of picking an ace of a king is about 15.3%.  
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Find the area and perimeter.<br> The area is ... and the perimeter is ...
Schach [20]

Answer:

Area: 6a^2

Perimeter: 12a^2

Step-by-step explanation:

To find the area of a triangle, use the formula A=1/2 b*h. The base is 3a^2 and the height is 4a^2.

A= 1/2 (3a^2)(4a^2)

A = 1/2 (12a^4)

A = 6a^4

To find the perimeter of the triangle, add each of the sides of the triangle. The third side, the hypotenuse, can be found using Pythagorean theorem.

a^2+b^2=c^2\\(3a^2)^2+(4a^2)^2 = c^2\\(9a^4)+(16a^4)=c^2\\25a^4=c^2\\5a^2=c

Now add each of the sides: 3a^2 + 4a^2 +5a^2 = 12a^2

7 0
4 years ago
Please help me I really need help
elixir [45]

Answer:

56

Step-by-step explanation:

Lowest Common Multiple= 56

8 0
3 years ago
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7<br> Tuesday<br> Find the Greatest Common<br> Factor of 16 and 28:
Anna35 [415]

Answer:

The answer is 4.

Step-by-step explanation:

1. find the factors of 16(1,2,4,4,8,16) and of 28(1,2,4,7,14,28)

2. find the highest factor of the two Factored #.(4)

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3 years ago
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Answer:

ok

Step-by-step explanation:

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8 0
3 years ago
The total cost of Anfä's trip to the dentist was $628.35. She paid a flat fee of $89.95 which included the checkup:
daser333 [38]

Answer:

The cost of each cavity filling was $ 134.60.

Step-by-step explanation:

Given that the total cost of Anfa's trip to the dentist was $ 628.35, and she paid a flat fee of $ 89.95 which included the checkup: cleaning and then had 4 cavities filled, each of which cost the same amount, to determine which shows the correct equation and value of x, the cost of each cavity filling, the following calculation must be performed:

(628.35 - 89.95) / 4 = X

538.4 / 4 = X

134.6 = X

Therefore, the cost of each cavity filling was $ 134.60.

5 0
3 years ago
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