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Varvara68 [4.7K]
3 years ago
5

A set of composite number less than 12.Express it in listing and set-builder methods

Mathematics
1 answer:
Ivanshal [37]3 years ago
7 0

composite numbers less than 12={1,3,4,6,8,9,10}

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60 people attend a game night. Everyone chooses to play chess, a two-player game, or cribbage, a four-player game. All 60 people
serious [3.7K]

Answer: 8 chess matches and 11 cribbage matches.

Step-by-step explanation:

60 people, 4 people play a match of cribbage, so if theres 3 more  matched than chess we can subtract that from the total 60 to get the answer. 3x4=12 60-12=48, 2 people per chess game and 4 people per cribbage game add them 6, 48 divided by 6 since its an even amount now, 48/6=8 add 8 matched to the remaining 3 for the cribbage.

7 0
3 years ago
Write an expression to represent the pattern 19, 27, 35, 43
Mama L [17]

Answer

1) The expression to represent the pattern is 11 + 8n

2) The expression to represent the pattern is 80 - 9n

Step-by-step explanation:

1) Lets study the pattern;

- 19 , 27 , 35 , 43 , ..................

27 - 19 = 8

35 - 27 = 8

43 - 35 = 8

The difference is constant between each two consecutive terms

It is an arithmetic sequence

Lets take about the arithmetic sequence

If the first term is a and the constant difference is d

a1 = a , a2 = a + d , a3 = a + 2d , a4 = a+ 3d , ........

an = a + (n - 1)d, where n the position of the term in the sequence

Now we will use this rule to find the expression of our pattern

a = 19 , d = 8

an = 19 + (n - 1)(8) ⇒ an = 19 + 8n - 8 ⇒ an = 11 + 8n

Lets check it;

a3 = 11 + 8(3) = 11 + 24 = 35 ⇒ true

The expression to represent the pattern is 11 + 8n

Step 2) Lets study the pattern;

- 71 , 62 , 53 , 44 , ...

62 - 71 = -9

53 - 62 = -9

44 - 53 = -9

The difference is constant between each two consecutive terms

It is an arithmetic sequence

We will use the same rule above to find the expression of the pattern

a = 71 , d = -9

an = 71 + (n - 1)(-9) ⇒ an = 71 + -9n + 9 ⇒ an = 80 - 9n

Lets check it;

a4 = 80 - 9(4) = 80 - 36 = 44 ⇒ true

The expression to represent the pattern is 80 - 9n

7 0
3 years ago
Math question plz give answer with explanation will report if it is a non-sense answer. I just want to make sure I am doing it r
vladimir1956 [14]
Answer:
JKL

Working out:
N/A

Note:
It is not DEF because that’s the answer when it rotates clockwise. The question is asking for when the rotation is counterclockwise.
I hope this helps :)
6 0
3 years ago
Find the nth term -2 ,1,4,7
Ira Lisetskai [31]
-2, 1, 4, 7, 10, 13, 16, 19, 22
6 0
3 years ago
Mariyam wants to cut her chocolate brownie into two rectangles. What kind of angles will Mariyam form?
Cerrena [4.2K]

Answer:

90°

Step-by-step explanation:

Given - Mariyam wants to cut her chocolate brownie into two rectangles.

To find - What kind of angles will Mariyam form?

Proof -

If she cut the brownie in the rectangular shape, then the angle formed is  90°.

4 0
3 years ago
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