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3 years ago

Find the area of a square with side length 12 inch.

Mathematics

2 answers:

Allushta [10]3 years ago

7 0

Answer:1,728

Step-by-step explanation:

dem82 [27]3 years ago

3 0

A square has all of the same sides, so just do 12x12 which is 144

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(1 point) 6 cards are drawn at random without replacement from a standard deck. Be accurate to 7 decimal places. a) Find the pro

V125BC [204]

Answer:

a) P=0.0000843

b) P=0.0000454

c) P=0.0066113

Step-by-step explanation:

6 cards are drawn at random without replacement from a standard deck.

a) We calculate the probability that all the cards are hearts.

We calculatethe number of possible combinations:

$C^{52}_6=\frac{52!}{6!(52-6)!}=20358520$

We calculate the number of favorable combinations:

$C_6^{13}=\frac{13!}{6!(13-6)!}=1716$

Therefore, the probability is

$P=\frac{1716}{20358520}\\\\P=0.0000843$

b) We calculate the probability that all the cards are face cards.

We calculatethe number of possible combinations:

$C^{52}_6=\frac{52!}{6!(52-6)!}=20358520$

We calculate the number of favorable combinations:

$C_6^{12}=\frac{12!}{6!(12-6)!}=924$

Therefore, the probability is

$P=\frac{924}{20358520}\\\\P=0.0000454$

c) We calculate the probability that all the cards are even.

We calculatethe number of possible combinations:

$C^{52}_6=\frac{52!}{6!(52-6)!}=20358520$

We calculate the number of favorable combinations:

$C_6^{24}=\frac{24!}{6!(24-6)!}=134596$

Therefore, the probability is

$P=\frac{134596}{20358520}\\\\P=0.0066113$

7 0

3 years ago

1. A polynomial function and its graph is shown below.

irakobra [83]

Answer:

If this helped please make this brainliest please thank you!

6 0

2 years ago

A Spanish test has 30 questions. A student answers 80% correctly.

ad-work [718]

Answer:

Step-by-step explanation:

Lets start by working out 80% of 30

80% x 30=24

so the student answered 24 questions correctly

6 0

2 years ago

What is the parameter of interest to compare the proportions from two populations?

Marysya12 [62]

As with comparing two population proportions, when we compare two population means from independent populations, the interest is in the difference of the two means. In other words, if is the population mean from population 1 and is the population mean from population 2, then the difference is μ 1 − μ 2 .

Mark brainliest please

Hope this helps you

7 0

2 years ago

What does P(vowel and even) mean?

Ratling [72]

Owal? What do you mean

6 0

3 years ago

Read 2 more answers