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lidiya [134]
3 years ago
12

Explain how to write the rational number 3.21 in the form a/b.

Mathematics
1 answer:
barxatty [35]3 years ago
6 0

Answer:

3 21/100

just a fraction.

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in the game of hearts, four players are each dealt 13 cards from a deck of 52. is this a function? if so, what are the domain an
skelet666 [1.2K]

Based on the fact the game of hearts, four players are each dealt 13 cards from a deck of 52

  • The domain is the deck of 52 cards
  • codomain is 4 players
  • function, f(k) maps a card to each player
  • It is surjective

This is further explained below.

<h3>What is a surjective Function?</h3>

A surjective function is a kind of function that exists in mathematics that ensures that any element y may be transferred to element x in such a way that f(x) equals y.

To put it another way, each element that makes up the function's codomain is the mirror image of at least one element that makes up the domain.

Generally, function, f(k) maps a card to each player

And since each player is dealt 13 cards st 13 of the cards are mapped to each player.

It is a function as one card is mapped to one and only one player.

The function is not injective because 13 cards 1 are mapped to one player so it is a many-one function but the injective function does not map two elements to a common clement.

In conclusion, It is surjective as each player is dealt 13 cards. the function is not injective hence rot bijective.

Read more about surjective

brainly.com/question/13423972

#SPJ1

5 0
1 year ago
Can you give y=2x a verbal situation for me
Anestetic [448]

Answer: The number of doughnuts that Teresa has, y, is 2 times the number of doughnuts Thomas has, x.

Step-by-step explanation: If Teresa had 10 doughnuts, Thomas would have 5, and if Thomas had 10 doughnuts, Teresa would have 20.

6 0
3 years ago
It takes Carmen 30 minutes to drive 3.5 miles on her golf cart. How far can Carmen drive in 120 minutes?
sineoko [7]

120 minutes /  30 minutes = 4

3.5 miles x 4 = 14 miles

6 0
3 years ago
What is the gross earnings for a person who has $26,480 in total sales,
zhuklara [117]

Answer:

$3103.6

Step-by-step explanation:

Given data

Total sales= $26,480

Returns and Allowances=$1250

Commission = 7%

Let us find the amount in commission earned

=7/100*26,480

=0.07*26480

=$1853.6

Hence the gross earnings

=1853.6+1250

=$3103.6

8 0
3 years ago
Which of the following is the solution to the equation x + 6.8 = 53.5?
gregori [183]
X+6.8=53.5
x=53.5-6.8
=46.7
5 0
3 years ago
Read 2 more answers
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