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Feliz [49]
3 years ago
7

sam has 3 shirts 3 pairs of shorts and 2 pairs of shoes how many possible combinations does sam have if she waers 1 shirt 1 pair

of shorts and 1 pair of shoes at a time
Mathematics
2 answers:
siniylev [52]3 years ago
8 0
Here’s an easy way to calculate things like this.

Shirt A
Shirt B
Shirt C

Shorts A
Shorts B
Shorts C

Shoes A
Shoes B

AAA AAB ABA ABB ACA ACB
BAA BAB BBA BBB BCA BCB
CAA CAB CBA CBB CCA CBC

So 18 combinations!

Hope this helped
quester [9]3 years ago
4 0
8 is the answer

Explanation
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emmasim [6.3K]

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The probability that a newborn baby at a certain hospital is male is 50%. Find the probability that 7 or 8 out of 10 babies born
marin [14]

Answer:

0.1611

Step-by-step explanation:

Uaing the binomial probability relation :

p = 0.5 ; q = 1 - p = 0.5

n = 10

Using the relation :

P(x = x) = nCx * p^x * q^(n-x)

P(x = 7) = 10C7 * 0.5^7 * 0.5^3

P(x = 7) = 0.1172

x = 8 ;

P(x = 8) = 10C7 * 0.5^7 * 0.5^3

P(x =8) = 0.0439

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3 years ago
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Step-by-step explanation:

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3 years ago
Which expressions are equivalent to the one below? Check all that apply. 21^x/3^x
satela [25.4K]

Answer:

<em>options:  A,C,E </em>are correct.

Step-by-step explanation:

We have to find the expression equivalent to the expression:

\dfrac{21^x}{3^x}

we know that: 21^x=(3\times7)^x\\\\21^x=3^x\times7^x

Hence,

\dfrac{21^x}{3^x}=\dfrac{3^x\times7^x}{3^x}=7^x-----(1)

A)   (\dfrac{21}{3})^x= 7^x  (same as(1))

Hence, option A is correct.

B)  7 ; which is a different expression from (1)

Option B is incorrect.

C) 7^x   (Same as (1))

Option C is correct.

D) (21-3)^x=18^x   which is a different expression from (1)

Hence, option D is incorrect.

E) \dfrac{7^x\times3^x}{3^x}=7^x   ; which is same as (1)

Hence, Option E is correct.

F) 3^x  ; which is not same as expression (1)

Hence, option F is incorrect.

5 0
3 years ago
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Kay [80]

x = -6, 8

Find the values of x by factoring, getting

(x - 8)(x + 6) = 0

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2 years ago
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