3 years ago

What is the probability of getting 3 queens in a 5-card hand using a standard deck of cards?

Mathematics

1 answer:

Oxana [17]3 years ago

4 0

Answer:

1.2%

Step-by-step explanation:

I did math

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The radioactive element carbon-14 has half of 5750 years. A scientist determined that the bones from a mastodon has lost 56.6% o

IRISSAK [1]

Answer:7881 years

Step-by-step explanation:

You can use the equation

fraction remaining = 0.5n where n is # of half lives elapsed

n = ?

fraction remaining = 1 - 0.612 = 0.388

0.388 = 0.5n

n = 1.37 = the # of half lives

1.37 x 5750 yrs = 7881 years

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3 years ago

. You want to buy a book worth Php 220.50. You can buy it only by making a sacrifice of not buying a soft drink every day. If so

kherson [118]

Answer:

B-14

Step-by-step explanation:

Divide 220.50 by 15.75 and you will get 14

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3 years ago

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Malcolm has 225 yards of yarn to make 100 bracelets. Suppose the total length of the yarn stayed the same, but instead of Malcol

ANTONII [103]

Given :

Length of yarn, l = 225 yards.

Number of bracelets he made, n = 1000 .

To Find :

How long will the yarn be for each bracelet.

Solution :

Let, length of yarn used in each bracelet is x.

So,

$x = \dfrac{Total\ length \ of yarn}{Number \ of \ bracelets\ made}\\\\x = \dfrac{225}{1000}\\\\x = 0.225 \ yards$

Therefore, length of yarn used in each bracelet is 0.225 yard.

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3 years ago

Pls help ASAP I’ll give brainliest

NARA [144]

Answer:

B. 11.42

Step-by-step explanation:

Use the law of cosines:

$c = \sqrt{a^2+b^2-2ab*cosC}$

Substitute the values:

$c = \sqrt{9^2+12^2-2*9*12*cos64}=11.42$

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3 years ago

What is the lateral area of a cone with radius 19 cm and slant height 11 cm?

konstantin123 [22]

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3 years ago

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