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Leona [35]
1 year ago
12

max picks two different cards without replacement from a standard $52$-card deck. what is the probability that the cards are of

different suits?
Mathematics
1 answer:
nikdorinn [45]1 year ago
3 0

The probability that cards are from different suits is \frac{39}{51}

Probability of an event E represented by P(E) can be defined as (The number of favorable outcomes )/(Total number of outcomes).

There are 4 suits hearts, diamonds, club and spade in a standard deck of 52 cards.

Each of them has 13 cards each .

So when we pick first card from a single suit

we can pick it in 13 ways , now 12 cards are left.

We can pick the 2nd card from the same suit in 12 different ways .

So to pick 2 cards from a single suit we have 13x12 ways.

to pick 2 card from 4 suits = 4x13x12=624 ways

Total ways of choosing 2 cards from the pack of 52 cards is 52 X 51 =2652

probability that the cards are of same suits=\frac{624}{2652} =\frac{12}{51}

probability that the cards are of different suits=1-\frac{12}{51} =\frac{39}{51}

Learn more about Probability here brainly.com/question/15263908

#SPJ4

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In a college parking lot, the number of ordinary cars is larger than the number of sport utility vehicles by 59.3%. The differen
frutty [35]

Answer:

27 SUVs

Step-by-step explanation:

Let number of ordinary cars be x and SUVs be y

We can write 2 equations and use substitution to solve for the number of SUVs.

<u>"The number of ordinary cars is larger than the number of sport utility vehicles by 59.3%"- </u>

This means that 1.593 times more is ordinary cars (x) than SUVs (y), so we can write:

x  = 1.593y

<u>"The difference between the number of cars and the number of SUVs is 16" - </u>

Since we know ordinary cars are "more", we can say x - y = 16

<em>We can now plug in 1.593 y into x of the 2nd equation and solve for y:</em>

<em>x - y = 16</em>

<em>1.593y - y = 16</em>

<em>0.593y = 16</em>

<em>y = 27 (rounded)</em>

<em />

<em>Hence, there are 27 SUVs</em>

4 0
3 years ago
I need to find the slope for the question: 6y-14x=2
ELEN [110]

Answer:

Step-by-step explanation:

5 0
3 years ago
A rectangular piece of land has an area of 3/4 square mile. The land is 21/2 mile. What is its width
OleMash [197]

Answer:

The width of the rectangle is  \frac{1}{14} miles

Step-by-step explanation:

Given as for rectangle

The area of rectangle = A = \frac{3}{4} mile²

The Length of rectangle = L = \frac{21}{2} mile

Let The width of rectangle = W miles

Now, From area of rectangle

I.e Area of Rectangle = Length × Width

Or , A = \frac{21}{2} mile  × W mile

Or, \frac{3}{4} mile² = \frac{21}{2} mile  × W mile

or, W = \frac{\frac{3}{4}}{\frac{21}{2}} mile

or, W = \frac{3\times 2}{4\times 21}

∴  W = \frac{1}{14} miles

Hence The width of the rectangle is  \frac{1}{14} miles  Answer

4 0
3 years ago
Approximately how many times greater is 6 x 10^-5 than 5 x 10^-9
8_murik_8 [283]

Answer: 6 \times 10^{-5} is 1.2 \times 10^4. times greater than 5 \times 10^{-9}.


Step-by-step explanation:

We are given two numbers.

First number  : 6 \times 10^{-5}.

Second number : 5 \times 10^{-9}.

In order to find how many times   6 \times 10^{-5} is greater than 5 \times 10^{-9}, we need to divide first number by second number.

Therefore,

6 \times 10^{-5} ÷ 5 \times 10^{-9}

or \frac{6 \times 10^{-5}}{5 \times 10^{-9}}

First we would divide 6 by 5.

On dividing 6 by 5, we get 1.2.

Now, we would divide 10^-5 by 10^-9.

In order to divide them, we can apply quotient rule of exponents \frac{a^m}{a^n} =a^{m-n}.

We get

\frac{10^{-5}}{10^{-9}}  = 10^{-5-(-9)} = 10^{-5+9} = 10^4.

Therefore,

\frac{6 \times 10^{-5}}{5 \times 10^{-9}} = 1.2 \times 10^4.

So, we could say finally 6 \times 10^{-5} is 1.2 \times 10^4. times greater than 5 \times 10^{-9}.

8 0
3 years ago
A person that is 5 ft tall that casts a shadow of 4 ft is standing next to a tree that is 9 ft tall. How much of a shadow will i
Ganezh [65]

Answer:

8 ft tall

Step-by-step explanation:

the person that is 5 ft has a shadow that is 4 foot so its 1 foot off because the direction that the sun's facing you

4 0
3 years ago
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